CN102331070A - Infrared control system at tail end of central air conditioner and infrared control method thereof - Google Patents
Infrared control system at tail end of central air conditioner and infrared control method thereof Download PDFInfo
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- CN102331070A CN102331070A CN201110217677A CN201110217677A CN102331070A CN 102331070 A CN102331070 A CN 102331070A CN 201110217677 A CN201110217677 A CN 201110217677A CN 201110217677 A CN201110217677 A CN 201110217677A CN 102331070 A CN102331070 A CN 102331070A
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Abstract
The invention discloses an infrared control system at a tail end of a central air conditioner and an infrared control method thereof. The system comprises a remote controller and an air conditioner tail-end controller which are in signal connection, wherein the remote controller is in signal connection with an infrared receiving unit of the air conditioner tail-end controller through an infrared emission head, and the air conditioner tail-end controller processes and analyzes signals by a MCU (Microprogrammed Control Unit) and outputs a control instruction. The method comprises an air conditioner tail-end controller learning period and an air conditioner tail-end controller control period, wherein users needs to undergo the air conditioner tail-end controller learning period at first when entering the air conditioner tail-end controller control period for the first time. In the control system, the remote controller is adopted to control the central air conditioner tail-end controller, the operation is flexible and simple, so that users can use the remote controller conveniently, and particularly for some special cases (such as sleeping at night, dark light and the like) or some special users (such as the old, the disabled and the like), the flexibility and convenience in use can be greatly improved.
Description
Technical field
The present invention relates to the air conditioning terminal control technology, the infrared control system and method that particularly a kind of central air-conditioning is terminal.
Background technology
The terminal general temperature controller control of using traditional mechanical formula or electronic type of central air-conditioning at present, its control method is on the air conditioning terminal controller, to adopt start and stop, wind speed and design temperature point etc. are set manually.Because the air conditioning terminal controller generally is fixed on the body of wall; Therefore can't move in use; And when special operating position (like when sleep) or special use crowd (like old man, disabled person etc.) used, it is quite inconvenient that the use of the central air-conditioning of this form and control mode just seem.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, a kind of flexible operation, the terminal infrared control system of central air-conditioning easy to use are provided.
Another object of the present invention is to provide a kind of terminal infrared control method of realizing through said system of central air-conditioning.
Technical scheme of the present invention is: the infrared control system that a kind of central air-conditioning is terminal; Comprise remote controller and air conditioning terminal controller that signal connects; Be provided with power subsystem, communication interface unit, MCU controller, reset unit, memory, liquid crystal drive unit and infrared receiver in the air conditioning terminal controller, remote controller is provided with infrared emission head; Infrared receiver is connected with the infrared emission head signal; The MCU controller is connected with infrared receiver with communication interface unit, reset unit, memory, liquid crystal drive unit respectively; The output of power subsystem is connected with memory with communication interface module, MCU controller, reset unit respectively; The output of liquid crystal drive unit also is connected with LCDs; The MCU controller also is connected with temperature sensor, relay and button, and the output of relay connects blower fan and motor-driven valve, and power subsystem also is connected with LCDs, temperature sensor, relay and button respectively.
Comprise infrared receiving module, signal conversion module, first data cache module, second data cache module, data comparison module, data call module, data memory module, control instruction module, relay output module, LCD MODULE, temperature comparison module, temperature collect module, time block, keyboard input module and function key module in the said MCU controller; Wherein, Infrared receiving module, signal conversion module, first data cache module, data comparison module, data memory module connect successively; Also be provided with second data cache module between signal conversion module and the data comparison module; The data call module also is set between first data cache module and the data comparison module, and the output of signal conversion module also is connected with LCD MODULE; The output of data comparison module also is connected with the control instruction module; The control instruction module also is connected with LCD MODULE, temperature comparison module and relay output module respectively; The input of temperature comparison module is provided with temperature collect module; Keyboard input module is connected with the control instruction module respectively with function key module, and the output of function key module is connected with LCD MODULE, and time block is connected with temperature collect module, infrared receiving module and function key module respectively; The external infrared receiver of infrared receiving module, data memory module and data call module be external memorizer respectively, the external LCDs of LCD MODULE liquid crystal driver module; The external blower fan of blower fan driver module; The external motor-driven valve of motor-driven valve driver module, temperature collect module external temperature sensor, the external reset unit of control instruction module; Button on the external air conditioning terminal controller of keyboard input module, the external relay of relay output module;
Infrared receiving module is used to gather the received signal from remote controller of infrared receiver;
Signal conversion module is used for converting the level signal that collects to data signal;
First data cache module and second data cache module are respectively applied for the corresponding data of temporary signal conversion module conversion back data signal;
Data comparison module is used for contrasting the data of first data cache module and second data cache module;
Data memory module is used to store the data that storage is confirmed in data comparison module contrast back, and data are flowed to the memory preservation;
The data call module is used for calling data and flowing to data comparison module to memory;
The control instruction module is used to receive the comparing result of data comparison module, sends control signal to LCD MODULE, temperature comparison module or relay output module;
LCD MODULE is used for showing signal to the output of liquid crystal display driver element;
Temperature comparison module is used for comparison from the design temperature of the button of remote controller or air conditioning terminal controller and the real time temperature that temperature collect module collects, and exports control signal according to both temperature differences to the control instruction module;
Relay output module is used to receive the control signal of control instruction module, drives the actuating of relay, thereby regulates the wind speed of blower fan or the aperture of motor-driven valve;
Temperature collect module is used to receive the real time temperature that temperature sensor collects;
Keyboard input module is used to receive the input signal that the air conditioning terminal controller is in control button during the stage;
The input signal of button when function key module is used to receive the air conditioning terminal controller and is in learning phase;
Time block is used for the signals collecting interval to infrared receiving module, the temperature acquisition interval of temperature collect module and the button of keyboard input module and calculates input time.
Also be provided with the humidity acquisition module in the said MCU controller, time block, humidity acquisition module, signal conversion module are connected with LCD MODULE successively, and the input of humidity acquisition module also is circumscribed with humidity sensor.
Said memory is E2PROM, and the MCU controller is the AVRmega8 single-chip microcomputer.
Said remote controller is a TV remote controller, also can be the special-purpose IR remote controller identical with the TV remote controller principle
Can realize the infrared control method that a kind of central air-conditioning is terminal based on said system; Comprise air conditioning terminal controller learning phase and the air conditioning terminal controller control stage; The user gets into the control of air conditioning terminal controller during the stage for the first time, needs advanced line space to transfer the terminal controller learning phase;
Wherein, air conditioning terminal controller learning phase may further comprise the steps:
(1) selected 5 buttons on remote controller are made as remote controller on & off switch, remote controller intensification key, remote controller cooling key, remote controller wind speed shift key and remote controller pattern shift key respectively; Button on the air conditioning terminal controller comprises controller switches key, controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key;
Wherein, The controller switches key is identical with the function of remote controller on & off switch, and first function of controller intensification key is identical with remote controller intensification key, and second function of remote controller intensification key is that sequence number increases; First function of controller cooling key is identical with remote controller cooling key; Second function of controller cooling key is that sequence number reduces, and first function of controller wind speed shift key is identical with remote controller wind speed shift key, and second function of controller wind speed shift key is for returning; First function of director mode shift key is identical with remote controller pattern shift key, and second function of director mode shift key is for confirming;
(2) the controller intensification key on the air conditioning terminal controller, controller cooling key, controller wind speed shift key and director mode shift key are made as second function respectively; The sequence number of remote controller on & off switch, remote controller intensification key, remote controller cooling key, remote controller wind speed shift key and remote controller pattern shift key is made as 0～4 successively on the remote controller;
(3) according to the ordering of 5 selected on remote controller buttons, the setting sequence number is 0 remote controller on & off switch earlier, adjustment control intensification key or controller cooling key; On LCDs, show sequence number 0; This process, the key information on the air conditioning terminal controller is received by keyboard input module, after delivering to the control instruction module and reading judgement; Deliver to function key module, deliver to the LCDs demonstration through LCD MODULE and liquid crystal drive unit successively then;
Press for the first time the remote controller on & off switch on the remote controller; Infrared emission head on the remote controller sends to the infrared receiver on the air conditioning terminal controller with first infrared signal; Infrared receiver flows to the MCU controller after receiving first infrared signal; Flow to signal conversion module after infrared receiving module receives first infrared signal in the MCU controller; Signal conversion module converts first infrared signal into digital signal pattern by the level signal pattern, and it is temporary that first data that will obtain are then delivered to first data cache module;
Press for the second time the remote controller on & off switch on the remote controller; Infrared emission head on the remote controller sends to the infrared receiver on the air conditioning terminal controller with second infrared signal; Infrared receiver flows to the MCU controller after receiving second infrared signal; Flow to signal conversion module after infrared receiving module receives second infrared signal in the MCU controller; Signal conversion module converts second infrared signal into digital signal pattern by the level signal pattern, and it is temporary that second data that will obtain are then delivered to second data cache module;
First data cache module and second data cache module are delivered to data comparison module with first data and second data respectively; Whether consistent data comparison module carry out contrast to first data and second data; The control instruction module receives the comparing result from data comparison module simultaneously, through LCD MODULE and liquid crystal drive unit comparing result is shown on the LCDs; If comparing result is consistent; Then the user presses the director mode shift key on the air conditioning terminal controller; Data comparison module is delivered to memory with comparing result through data memory module and is preserved, and this moment, the air conditioning terminal controller finished the study of remote controller on & off switch; If comparing result is inconsistent, then the control instruction module starts reset unit, and the MCU controller recovers reset condition, and the user need carry out the operation of step (3) again;
(4) action of repeating step (3); Until the air conditioning terminal controller is that 1 remote controller intensification key, sequence number are that 2 remote controller cooling key, sequence number are that 3 remote controller wind speed shift key and sequence number are that the study of 4 remote controller pattern shift key finishes to sequence number respectively, has the setting data of 5 buttons on the remote controller this moment in the memory;
The air conditioning terminal controller control stage may further comprise the steps:
(a) on remote controller, press the arbitrary button that sets in 5 buttons, remote controller sends control signal by infrared emission head, and the infrared receiver in the air conditioning terminal controller is delivered to the MCU controller after receiving control signal;
(b) after the infrared receiver in the MCU controller receives control signal, convert control signal into digital signal pattern by the level signal pattern by signal conversion module, and the control data that obtains is temporary in first data cache module;
(c) the data call module is transferred the setting data of 5 buttons of remote controller in control data and the memory in first data cache module respectively; Deliver to data comparison module then and compare analysis; If in control data and 5 setting datas is consistent; Then select consistent setting data, and selected setting data is delivered to the control instruction module, forward step (d) to; If control data and 5 setting datas are all inconsistent, then withdraw from data comparison module, infrared receiver is waited for and is received next control signal;
(d) the control instruction module is sent final control signal; Through LCD MODULE and liquid crystal drive unit final control signal is shown on the LCDs; Simultaneously; Control instruction module drive temperature comparison module or relay output module action are regulated the wind speed of blower fan or the aperture of motor-driven valve through relay.
In the above-mentioned control method; In the said air-conditioner terminal controller learning phase; When setting controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key got into second functional mode, its method of operating was long by controller intensification key and controller cooling key; When time block detects time >=5 that controller intensification key and controller cooling key is pressed simultaneously second; Through keyboard input module key information is transported to the control instruction module; Start function key module by the control instruction module, make controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key get into second functional mode.
Said remote controller wind speed shift key and controller wind speed shift key are the fourth gear speed governing, are respectively high-grade, middle-grade, low grade and automatic transmission; Remote controller pattern shift key and director mode shift key are three kinds of pattern conversions, are respectively cold wind pattern, warm braw pattern and air vent mode.
Said air conditioning terminal controller is in the control stage; When the user presses the remote controller on & off switch on remote controller; The control procedure of MCU controller is: after infrared receiver receives control signal; Convert control signal into digital signal pattern by the level signal pattern by signal conversion module, and the control data that obtains is temporary in first data cache module; The data call module is transferred control data and 5 setting datas in the memory in first data cache module respectively; Deliver to data comparison module then and compare analysis; Obtain corresponding setting data and analysis and Control data and still open for closing, the analysis result of data comparison module is delivered to the control instruction module; When analysis result was the pass, the control instruction module was sent final control signal, closes LCDs through LCD MODULE, closes blower fan and motor-driven valve respectively through relay output module; When analysis result when opening, the control instruction module is sent final control signal, opens LCDs through LCD MODULE, opens blower fan or motor-driven valve through relay output module simultaneously;
When the user presses remote controller intensification key or remote controller cooling key on remote controller; The control procedure of MCU controller is: after infrared receiver receives control signal; Convert control signal into digital signal pattern by the level signal pattern by signal conversion module, and the control data that obtains is temporary in first data cache module; The data call module is transferred control data and 5 setting datas in the memory in first data cache module respectively; Deliver to data comparison module then and compare analysis; After obtaining corresponding setting data, control data is delivered to the control instruction module as design temperature, see off and be shown in design temperature on the LCDs through LCD MODULE; Simultaneously design temperature is delivered to temperature comparison module; Temperature collect module receives the real time temperature that temperature sensor collects in real time, and the real time temperature that temperature collect module receives is also delivered to temperature comparison module, after temperature comparison module compares analysis to real time temperature and design temperature; Open and close through the relay output module control relay, thereby regulate the wind speed of blower fan or the aperture of motor-driven valve;
When the user presses remote controller wind speed shift key on remote controller; The control procedure of MCU controller is: after infrared receiver receives control signal; Convert control signal into digital signal pattern by the level signal pattern by signal conversion module, and the control data that obtains is temporary in first data cache module; The data call module is transferred control data and 5 setting datas in the memory in first data cache module respectively; Deliver to data comparison module then and compare analysis; Obtain corresponding setting data and analysis and Control data and be high-grade, middle-grade, low grade or automatic catch, the analysis result of data comparison module is delivered to the control instruction module; When analysis result when being high-grade, middle-grade or low-grade; The control instruction module is sent final control signal; Analysis result is seen off and is shown on the LCDs through LCD MODULE, simultaneously through the action of relay output module control relay, thus the wind speed of adjusting blower fan; When analysis result is automatic transmission; The control instruction module is sent final control signal, sees off and be shown in analysis result on the LCDs, simultaneously through LCD MODULE; Temperature collect module receives the real time temperature that temperature sensor collects in real time and delivers to temperature comparison module; Temperature comparison module compares real time temperature and design temperature or temperature commonly used, obtains temperature difference, and the control instruction module is through the action of relay output module control relay; Thereby regulate the wind speed of blower fan, the top grade that the blower fan wind speed is positioned at adapt, middle-grade or low-grade with temperature difference;
When the user presses remote controller pattern shift key on controller; The control procedure of MCU controller is: after infrared receiver receives control signal; Convert control signal into digital signal pattern by the level signal pattern by signal conversion module, and the control data that obtains is temporary in first data cache module; The data call module is transferred control data and 5 setting datas in the memory in first data cache module respectively; Deliver to data comparison module then and compare analysis; Obtaining corresponding setting data and analysis and Control data is cold wind pattern, warm braw pattern or air vent mode, and the analysis result of data comparison module is delivered to the control instruction module; When analysis result is cold wind pattern or warm braw pattern; The control instruction module is sent final control signal; See off and be shown in analysis result on the LCDs through LCD MODULE; Through the action of relay output module control relay, start blower fan and cold wind or the corresponding motor-driven valve of warm braw simultaneously; When analysis result is an air vent mode; The control instruction module is sent final control signal; See off and be shown in analysis result on the LCDs through LCD MODULE; Through the action of relay output module control relay, start blower fan simultaneously, close the corresponding motor-driven valve of cold wind and warm braw simultaneously respectively.
When the user pressed remote controller wind speed shift key on remote controller, in the control procedure of MCU controller, said design temperature was through on remote controller, pressing the set temperature of remote controller intensification key or remote controller cooling key;
When the user pressed remote controller wind speed shift key on remote controller, in the control procedure of MCU controller, said temperature commonly used was 26 ℃;
When the user pressed remote controller wind speed shift key on remote controller, in the control procedure of MCU controller, said real time temperature was the indoor temperature that temperature sensor collects in real time;
When the user presses remote controller wind speed shift key on remote controller; In the control procedure of MCU controller, the corresponding relation of said temperature difference and blower fan wind speed is respectively: during temperature difference>=3 ℃, the blower fan wind speed is adjusted to top grade; In the time of 1 ℃≤temperature difference＜3 ℃; The blower fan wind speed is adjusted to middle-grade, and during temperature difference＜1 ℃, the blower fan wind speed is adjusted to low grade.
When above-mentioned control system uses; Behind the selected remote controller; Through air conditioning terminal controller learning phase selected 5 buttons on the remote controller are set earlier; Can control the air conditioning terminal controller through the remote controller of having set afterwards, also can operate through the button that is provided with on the air conditioning terminal controller.When resetting, get into air conditioning terminal controller learning phase again and get final product when needs replacing remote controller or to remote controller key.
The present invention has following beneficial effect with respect to prior art:
(1) this control system adopts infrared control, and the realization remote controller is controlled central air conditioning terminal controller, and its method of operating is similar with split-type air conditioner, and as far as being unfamiliar with the user of central air-conditioning, it is simple to operate, and is easy to use.
(2) this control system adopts remote controller that central air conditioning terminal controller is controlled; Its flexible operation is simple; Can be user-friendly to; To some special case (like sleep at night, concealed light etc.) or special user (like old man, disabled person etc.), can improve the flexibility and the convenience of its use significantly.
(3) this control system and method has been unified control information; Can simplify communication interface for the air-conditioning Centralized Monitoring system that adopts end-equipment connected network communication mode; Make the communication interface of central air-conditioning end, split-type air conditioner and other air-conditioning types obtain unification, for solid foundation has been established in large-scale reducing energy consumption.
(4) this control system improves on traditional central air-conditioning terminal controller; Compatible traditional control method of its method for using and infrared control method; Can adopt conventional method at the enterprising line operate of air conditioning terminal controller; Also can carry out infrared control through remote controller, its occupation mode is changeable, can use flexibly.
Description of drawings
Fig. 1 is the principle schematic of air-conditioning terminal controller in this control system.
Fig. 2 is the inner principle schematic of MCU controller.
Fig. 3 is the external structure sketch map of remote controller in this control system.
The specific embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is done further detailed description, but embodiment of the present invention is not limited thereto.
Embodiment
The terminal infrared control system of a kind of central air-conditioning of present embodiment; Comprise remote controller and air conditioning terminal controller that signal connects; As shown in Figure 1; Be provided with power subsystem, communication interface unit, MCU controller, reset unit, memory, liquid crystal drive unit and infrared receiver in the air conditioning terminal controller, as shown in Figure 3, remote controller is provided with infrared emission head 6; Infrared receiver is connected with the infrared emission head signal; The MCU controller is connected with infrared receiver with communication interface unit, reset unit, memory, liquid crystal drive unit respectively; The output of power subsystem is connected with memory with communication interface module, MCU controller, reset unit respectively; The output of liquid crystal drive unit also is connected with LCDs; The MCU controller also is connected with temperature sensor, relay and button, and the output of relay connects blower fan and motor-driven valve, and power subsystem also is connected with LCDs, temperature sensor, relay and button respectively.
As shown in Figure 2, comprise infrared receiving module, signal conversion module, first data cache module, second data cache module, data comparison module, data call module, data memory module, control instruction module, relay output module, LCD MODULE, temperature comparison module, temperature collect module, time block, keyboard input module and function key module in the MCU controller; Wherein, Infrared receiving module, signal conversion module, first data cache module, data comparison module, data memory module connect successively; Also be provided with second data cache module between signal conversion module and the data comparison module; The data call module also is set between first data cache module and the data comparison module, and the output of signal conversion module also is connected with LCD MODULE; The output of data comparison module also is connected with the control instruction module; The control instruction module also is connected with LCD MODULE, temperature comparison module and relay output module respectively; The input of temperature comparison module is provided with temperature collect module; Keyboard input module is connected with the control instruction module respectively with function key module, and the output of function key module is connected with LCD MODULE, and time block is connected with temperature collect module, infrared receiving module and function key module respectively; The external infrared receiver of infrared receiving module, data memory module and data call module be external memorizer respectively, the external LCDs of LCD MODULE liquid crystal driver module; The external blower fan of blower fan driver module; The external motor-driven valve of motor-driven valve driver module, temperature collect module external temperature sensor, the external reset unit of control instruction module; Button on the external air conditioning terminal controller of keyboard input module, the external relay of relay output module;
Infrared receiving module is used to gather the received signal from remote controller of infrared receiver;
Signal conversion module is used for converting the level signal that collects to data signal;
First data cache module and second data cache module are respectively applied for the corresponding data of temporary signal conversion module conversion back data signal;
Data comparison module is used for contrasting the data of first data cache module and second data cache module;
Data memory module is used to store the data that storage is confirmed in data comparison module contrast back, and data are flowed to the memory preservation;
The data call module is used for calling data and flowing to data comparison module to memory;
The control instruction module is used to receive the comparing result of data comparison module, sends control signal to LCD MODULE, temperature comparison module or relay output module;
LCD MODULE is used for showing signal to the output of liquid crystal display driver element;
Temperature comparison module is used for comparison from the design temperature of the button of remote controller or air conditioning terminal controller and the real time temperature that temperature collect module collects, and exports control signal according to both temperature differences to the control instruction module;
Relay output module is used to receive the control signal of control instruction module, drives the actuating of relay, thereby regulates the wind speed of blower fan or the aperture of motor-driven valve;
Temperature collect module is used to receive the real time temperature that temperature sensor collects;
Keyboard input module is used to receive the input signal that the air conditioning terminal controller is in control button during the stage;
The input signal of button when function key module is used to receive the air conditioning terminal controller and is in learning phase;
Time block is used for the signals collecting interval to infrared receiving module, the temperature acquisition interval of temperature collect module and the button of keyboard input module and calculates input time.
Also be provided with the humidity acquisition module in the MCU controller, time block, humidity acquisition module, signal conversion module are connected with LCD MODULE successively, and the input of humidity acquisition module also is circumscribed with humidity sensor.
Memory is E2PROM, and the MCU controller is the AVRmega8 single-chip microcomputer.
Remote controller is a TV remote controller, also can be the special-purpose IR remote controller identical with the TV remote controller principle
Can realize the infrared control method that a kind of central air-conditioning is terminal based on said system; Comprise air conditioning terminal controller learning phase and the air conditioning terminal controller control stage; The user gets into the control of air conditioning terminal controller during the stage for the first time, needs advanced line space to transfer the terminal controller learning phase;
Wherein, air conditioning terminal controller learning phase may further comprise the steps:
(1) selected 5 buttons on remote controller are as shown in Figure 3, are made as remote controller on & off switch 1, remote controller intensification key 2, remote controller cooling key 3, remote controller wind speed shift key 4 and remote controller pattern shift key 5 respectively; Button on the air conditioning terminal controller comprises controller switches key, controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key;
Wherein, The controller switches key is identical with the function of remote controller on & off switch, and first function of controller intensification key is identical with remote controller intensification key, and second function of remote controller intensification key is that sequence number increases; First function of controller cooling key is identical with remote controller cooling key; Second function of controller cooling key is that sequence number reduces, and first function of controller wind speed shift key is identical with remote controller wind speed shift key, and second function of controller wind speed shift key is for returning; First function of director mode shift key is identical with remote controller pattern shift key, and second function of director mode shift key is for confirming;
(2) the controller intensification key on the air conditioning terminal controller, controller cooling key, controller wind speed shift key and director mode shift key are made as second function respectively; The sequence number of remote controller on & off switch, remote controller intensification key, remote controller cooling key, remote controller wind speed shift key and remote controller pattern shift key is made as 0～4 successively on the remote controller;
(3) according to the ordering of 5 selected on remote controller buttons, the setting sequence number is 0 remote controller on & off switch earlier, adjustment control intensification key or controller cooling key; On LCDs, show sequence number 0; This process, the key information on the air conditioning terminal controller is received by keyboard input module, after delivering to the control instruction module and reading judgement; Deliver to function key module, deliver to the LCDs demonstration through LCD MODULE and liquid crystal drive unit successively then;
Press for the first time the remote controller on & off switch on the remote controller; Infrared emission head on the remote controller sends to the infrared receiver on the air conditioning terminal controller with first infrared signal; Infrared receiver flows to the MCU controller after receiving first infrared signal; Flow to signal conversion module after infrared receiving module receives first infrared signal in the MCU controller; Signal conversion module converts first infrared signal into digital signal pattern by the level signal pattern, and it is temporary that first data that will obtain are then delivered to first data cache module;
Press for the second time the remote controller on & off switch on the remote controller; Infrared emission head on the remote controller sends to the infrared receiver on the air conditioning terminal controller with second infrared signal; Infrared receiver flows to the MCU controller after receiving second infrared signal; Flow to signal conversion module after infrared receiving module receives second infrared signal in the MCU controller; Signal conversion module converts second infrared signal into digital signal pattern by the level signal pattern, and it is temporary that second data that will obtain are then delivered to second data cache module;
First data cache module and second data cache module are delivered to data comparison module with first data and second data respectively; Whether consistent data comparison module carry out contrast to first data and second data; The control instruction module receives the comparing result from data comparison module simultaneously, through LCD MODULE and liquid crystal drive unit comparing result is shown on the LCDs; If comparing result is consistent; Then the user presses the director mode shift key on the air conditioning terminal controller; Data comparison module is delivered to memory with comparing result through data memory module and is preserved, and this moment, the air conditioning terminal controller finished the study of remote controller on & off switch; If comparing result is inconsistent, then the control instruction module starts reset unit, and the MCU controller recovers reset condition, and the user need carry out the operation of step (3) again;
(4) action of repeating step (3); Until the air conditioning terminal controller is that 1 remote controller intensification key, sequence number are that 2 remote controller cooling key, sequence number are that 3 remote controller wind speed shift key and sequence number are that the study of 4 remote controller pattern shift key finishes to sequence number respectively, has the setting data of 5 buttons on the remote controller this moment in the memory;
The air conditioning terminal controller control stage may further comprise the steps:
(a) on remote controller, press the arbitrary button that sets in 5 buttons, remote controller sends control signal by infrared emission head, and the infrared receiver in the air conditioning terminal controller is delivered to the MCU controller after receiving control signal;
(b) after the infrared receiver in the MCU controller receives control signal, convert control signal into digital signal pattern by the level signal pattern by signal conversion module, and the control data that obtains is temporary in first data cache module;
(c) the data call module is transferred the setting data of 5 buttons of remote controller in control data and the memory in first data cache module respectively; Deliver to data comparison module then and compare analysis; If in control data and 5 setting datas is consistent; Then select consistent setting data, and selected setting data is delivered to the control instruction module, forward step (d) to; If control data and 5 setting datas are all inconsistent, then withdraw from data comparison module, infrared receiver is waited for and is received next control signal;
(d) the control instruction module is sent final control signal; Through LCD MODULE and liquid crystal drive unit final control signal is shown on the LCDs; Simultaneously; Control instruction module drive temperature comparison module or relay output module action are regulated the wind speed of blower fan or the aperture of motor-driven valve through relay.
In the above-mentioned control method; In the air-conditioner terminal controller learning phase; When setting controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key got into second functional mode, its method of operating was long by controller intensification key and controller cooling key; When time block detects time >=5 that controller intensification key and controller cooling key is pressed simultaneously second; Through keyboard input module key information is transported to the control instruction module; Start function key module by the control instruction module, make controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key get into second functional mode.
Remote controller wind speed shift key and controller wind speed shift key are the fourth gear speed governing, are respectively high-grade, middle-grade, low grade and automatic transmission; Remote controller pattern shift key and director mode shift key are three kinds of pattern conversions, are respectively cold wind pattern, warm braw pattern and air vent mode.
The air conditioning terminal controller is in the control stage; When the user presses the remote controller on & off switch on remote controller; The control procedure of MCU controller is: after infrared receiver receives control signal; Convert control signal into digital signal pattern by the level signal pattern by signal conversion module, and the control data that obtains is temporary in first data cache module; The data call module is transferred control data and 5 setting datas in the memory in first data cache module respectively; Deliver to data comparison module then and compare analysis; Obtain corresponding setting data and analysis and Control data and still open for closing, the analysis result of data comparison module is delivered to the control instruction module; When analysis result was the pass, the control instruction module was sent final control signal, closes LCDs through LCD MODULE, closes blower fan and motor-driven valve respectively through relay output module; When analysis result when opening, the control instruction module is sent final control signal, opens LCDs through LCD MODULE, opens blower fan or motor-driven valve through relay output module simultaneously;
When the user presses remote controller intensification key or remote controller cooling key on remote controller; The control procedure of MCU controller is: after infrared receiver receives control signal; Convert control signal into digital signal pattern by the level signal pattern by signal conversion module, and the control data that obtains is temporary in first data cache module; The data call module is transferred control data and 5 setting datas in the memory in first data cache module respectively; Deliver to data comparison module then and compare analysis; After obtaining corresponding setting data, control data is delivered to the control instruction module as design temperature, see off and be shown in design temperature on the LCDs through LCD MODULE; Simultaneously design temperature is delivered to temperature comparison module; Temperature collect module receives the real time temperature that temperature sensor collects in real time, and the real time temperature that temperature collect module receives is also delivered to temperature comparison module, after temperature comparison module compares analysis to real time temperature and design temperature; Open and close through the relay output module control relay, thereby regulate the wind speed of blower fan or the aperture of motor-driven valve;
When the user presses remote controller wind speed shift key on remote controller; The control procedure of MCU controller is: after infrared receiver receives control signal; Convert control signal into digital signal pattern by the level signal pattern by signal conversion module, and the control data that obtains is temporary in first data cache module; The data call module is transferred control data and 5 setting datas in the memory in first data cache module respectively; Deliver to data comparison module then and compare analysis; Obtain corresponding setting data and analysis and Control data and be high-grade, middle-grade, low grade or automatic catch, the analysis result of data comparison module is delivered to the control instruction module; When analysis result when being high-grade, middle-grade or low-grade; The control instruction module is sent final control signal; Analysis result is seen off and is shown on the LCDs through LCD MODULE, simultaneously through the action of relay output module control relay, thus the wind speed of adjusting blower fan; When analysis result is automatic transmission; The control instruction module is sent final control signal, sees off and be shown in analysis result on the LCDs, simultaneously through LCD MODULE; Temperature collect module receives the real time temperature that temperature sensor collects in real time and delivers to temperature comparison module; Temperature comparison module compares real time temperature and design temperature or temperature commonly used, obtains temperature difference, and the control instruction module is through the action of relay output module control relay; Thereby regulate the wind speed of blower fan, the top grade that the blower fan wind speed is positioned at adapt, middle-grade or low-grade with temperature difference;
When the user presses remote controller pattern shift key on controller; The control procedure of MCU controller is: after infrared receiver receives control signal; Convert control signal into digital signal pattern by the level signal pattern by signal conversion module, and the control data that obtains is temporary in first data cache module; The data call module is transferred control data and 5 setting datas in the memory in first data cache module respectively; Deliver to data comparison module then and compare analysis; Obtaining corresponding setting data and analysis and Control data is cold wind pattern, warm braw pattern or air vent mode, and the analysis result of data comparison module is delivered to the control instruction module; When analysis result is cold wind pattern or warm braw pattern; The control instruction module is sent final control signal; See off and be shown in analysis result on the LCDs through LCD MODULE; Through the action of relay output module control relay, start blower fan and cold wind or the corresponding motor-driven valve of warm braw simultaneously; When analysis result is an air vent mode; The control instruction module is sent final control signal; See off and be shown in analysis result on the LCDs through LCD MODULE; Through the action of relay output module control relay, start blower fan simultaneously, close the corresponding motor-driven valve of cold wind and warm braw simultaneously respectively.
When the user pressed remote controller wind speed shift key on remote controller, in the control procedure of MCU controller, said design temperature was through on remote controller, pressing the set temperature of remote controller intensification key or remote controller cooling key;
When the user pressed remote controller wind speed shift key on remote controller, in the control procedure of MCU controller, said temperature commonly used was 26 ℃;
When the user pressed remote controller wind speed shift key on remote controller, in the control procedure of MCU controller, said real time temperature was the indoor temperature that temperature sensor collects in real time;
When the user presses remote controller wind speed shift key on remote controller; In the control procedure of MCU controller, the corresponding relation of said temperature difference and blower fan wind speed is respectively: during temperature difference>=3 ℃, the blower fan wind speed is adjusted to top grade; In the time of 1 ℃≤temperature difference＜3 ℃; The blower fan wind speed is adjusted to middle-grade, and during temperature difference＜1 ℃, the blower fan wind speed is adjusted to low grade.
When above-mentioned control system uses; Behind the selected remote controller; Through air conditioning terminal controller learning phase selected 5 buttons on the remote controller are set earlier; Can control the air conditioning terminal controller through the remote controller of having set afterwards, also can operate through the button that is provided with on the air conditioning terminal controller.When resetting, get into air conditioning terminal controller learning phase again and get final product when needs replacing remote controller or to remote controller key.
As stated, can realize preferably that just the present invention, the foregoing description are merely preferred embodiment of the present invention, be not to be used for limiting practical range of the present invention; Be that all equalizations of doing according to content of the present invention change and modification, all contained by claim of the present invention scope required for protection.
Claims (10)
1. the terminal infrared control system of central air-conditioning; It is characterized in that; Comprise remote controller and air conditioning terminal controller that signal connects; Be provided with power subsystem, communication interface unit, MCU controller, reset unit, memory, liquid crystal drive unit and infrared receiver in the air conditioning terminal controller, remote controller is provided with infrared emission head; Infrared receiver is connected with the infrared emission head signal; The MCU controller is connected with infrared receiver with communication interface unit, reset unit, memory, liquid crystal drive unit respectively; The output of power subsystem is connected with memory with communication interface module, MCU controller, reset unit respectively; The output of liquid crystal drive unit also is connected with LCDs; The MCU controller also is connected with temperature sensor, relay and button, and the output of relay connects blower fan and motor-driven valve, and power subsystem also is connected with LCDs, temperature sensor, relay and button respectively.
2. according to the terminal infrared control system of the said central air-conditioning of claim 1; It is characterized in that, comprise infrared receiving module, signal conversion module, first data cache module, second data cache module, data comparison module, data call module, data memory module, control instruction module, relay output module, LCD MODULE, temperature comparison module, temperature collect module, time block, keyboard input module and function key module in the said MCU controller; Wherein, Infrared receiving module, signal conversion module, first data cache module, data comparison module, data memory module connect successively; Also be provided with second data cache module between signal conversion module and the data comparison module; The data call module also is set between first data cache module and the data comparison module, and the output of signal conversion module also is connected with LCD MODULE; The output of data comparison module also is connected with the control instruction module; The control instruction module also is connected with LCD MODULE, temperature comparison module and relay output module respectively; The input of temperature comparison module is provided with temperature collect module; Keyboard input module is connected with the control instruction module respectively with function key module, and the output of function key module is connected with LCD MODULE, and time block is connected with temperature collect module, infrared receiving module and function key module respectively; The external infrared receiver of infrared receiving module, data memory module and data call module be external memorizer respectively, the external LCDs of LCD MODULE liquid crystal driver module; The external blower fan of blower fan driver module; The external motor-driven valve of motor-driven valve driver module, temperature collect module external temperature sensor, the external reset unit of control instruction module; Button on the external air conditioning terminal controller of keyboard input module, the external relay of relay output module;
Infrared receiving module is used to gather the received signal from remote controller of infrared receiver;
Signal conversion module is used for converting the level signal that collects to data signal;
First data cache module and second data cache module are respectively applied for the corresponding data of temporary signal conversion module conversion back data signal;
Data comparison module is used for contrasting the data of first data cache module and second data cache module;
Data memory module is used to store the data that storage is confirmed in data comparison module contrast back, and data are flowed to the memory preservation;
The data call module is used for calling data and flowing to data comparison module to memory;
The control instruction module is used to receive the comparing result of data comparison module, sends control signal to LCD MODULE, temperature comparison module or relay output module;
LCD MODULE is used for showing signal to the output of liquid crystal display driver element;
Temperature comparison module is used for comparison from the design temperature of the button of remote controller or air conditioning terminal controller and the real time temperature that temperature collect module collects, and exports control signal according to both temperature differences to the control instruction module;
Relay output module is used to receive the control signal of control instruction module, drives the actuating of relay, thereby regulates the wind speed of blower fan or the aperture of motor-driven valve;
Temperature collect module is used to receive the real time temperature that temperature sensor collects;
Keyboard input module is used to receive the input signal that the air conditioning terminal controller is in control button during the stage;
The input signal of button when function key module is used to receive the air conditioning terminal controller and is in learning phase;
Time block is used for the signals collecting interval to infrared receiving module, the temperature acquisition interval of temperature collect module and the button of keyboard input module and calculates input time.
3. according to the terminal infrared control system of the said central air-conditioning of claim 2; It is characterized in that; Also be provided with the humidity acquisition module in the said MCU controller; Time block, humidity acquisition module, signal conversion module are connected with LCD MODULE successively, and the input of humidity acquisition module also is circumscribed with humidity sensor.
4. according to the terminal infrared control system of the said central air-conditioning of claim 1, it is characterized in that said memory is E
2PROM, MCU controller are the AVRmega8 single-chip microcomputer.
5. according to the terminal infrared control system of the said central air-conditioning of claim 1, it is characterized in that said remote controller is a TV remote controller.
6. realize the infrared control method that a kind of central air-conditioning is terminal according to each said system of claim 1～5; It is characterized in that; Comprise air conditioning terminal controller learning phase and the air conditioning terminal controller control stage; The user gets into the control of air conditioning terminal controller during the stage for the first time, needs advanced line space to transfer the terminal controller learning phase;
Wherein, air conditioning terminal controller learning phase may further comprise the steps:
(1) selected 5 buttons on remote controller are made as remote controller on & off switch, remote controller intensification key, remote controller cooling key, remote controller wind speed shift key and remote controller pattern shift key respectively; Button on the air conditioning terminal controller comprises controller switches key, controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key;
Wherein, The controller switches key is identical with the function of remote controller on & off switch, and first function of controller intensification key is identical with remote controller intensification key, and second function of remote controller intensification key is that sequence number increases; First function of controller cooling key is identical with remote controller cooling key; Second function of controller cooling key is that sequence number reduces, and first function of controller wind speed shift key is identical with remote controller wind speed shift key, and second function of controller wind speed shift key is for returning; First function of director mode shift key is identical with remote controller pattern shift key, and second function of director mode shift key is for confirming;
(2) the controller intensification key on the air conditioning terminal controller, controller cooling key, controller wind speed shift key and director mode shift key are made as second function respectively; The sequence number of remote controller on & off switch, remote controller intensification key, remote controller cooling key, remote controller wind speed shift key and remote controller pattern shift key is made as 0～4 successively on the remote controller;
(3) according to the ordering of 5 selected on remote controller buttons, the setting sequence number is 0 remote controller on & off switch earlier, adjustment control intensification key or controller cooling key; On LCDs, show sequence number 0; This process, the key information on the air conditioning terminal controller is received by keyboard input module, after delivering to the control instruction module and reading judgement; Deliver to function key module, deliver to the LCDs demonstration through LCD MODULE and liquid crystal drive unit successively then;
Press for the first time the remote controller on & off switch on the remote controller; Infrared emission head on the remote controller sends to the infrared receiver on the air conditioning terminal controller with first infrared signal; Infrared receiver flows to the MCU controller after receiving first infrared signal; Flow to signal conversion module after infrared receiving module receives first infrared signal in the MCU controller; Signal conversion module converts first infrared signal into digital signal pattern by the level signal pattern, and it is temporary that first data that will obtain are then delivered to first data cache module;
Press for the second time the remote controller on & off switch on the remote controller; Infrared emission head on the remote controller sends to the infrared receiver on the air conditioning terminal controller with second infrared signal; Infrared receiver flows to the MCU controller after receiving second infrared signal; Flow to signal conversion module after infrared receiving module receives second infrared signal in the MCU controller; Signal conversion module converts second infrared signal into digital signal pattern by the level signal pattern, and it is temporary that second data that will obtain are then delivered to second data cache module;
First data cache module and second data cache module are delivered to data comparison module with first data and second data respectively; Whether consistent data comparison module carry out contrast to first data and second data; The control instruction module receives the comparing result from data comparison module simultaneously, through LCD MODULE and liquid crystal drive unit comparing result is shown on the LCDs; If comparing result is consistent; Then the user presses the director mode shift key on the air conditioning terminal controller; Data comparison module is delivered to memory with comparing result through data memory module and is preserved, and this moment, the air conditioning terminal controller finished the study of remote controller on & off switch; If comparing result is inconsistent, then the control instruction module starts reset unit, and the MCU controller recovers reset condition, and the user need carry out the operation of step (3) again;
(4) action of repeating step (3); Until the air conditioning terminal controller is that 1 remote controller intensification key, sequence number are that 2 remote controller cooling key, sequence number are that 3 remote controller wind speed shift key and sequence number are that the study of 4 remote controller pattern shift key finishes to sequence number respectively, has the setting data of 5 buttons on the remote controller this moment in the memory;
The air conditioning terminal controller control stage may further comprise the steps:
(a) on remote controller, press the arbitrary button that sets in 5 buttons, remote controller sends control signal by infrared emission head, and the infrared receiver in the air conditioning terminal controller is delivered to the MCU controller after receiving control signal;
(b) after the infrared receiver in the MCU controller receives control signal, convert control signal into digital signal pattern by the level signal pattern by signal conversion module, and the control data that obtains is temporary in first data cache module;
(c) the data call module is transferred the setting data of 5 buttons of remote controller in control data and the memory in first data cache module respectively; Deliver to data comparison module then and compare analysis; If in control data and 5 setting datas is consistent; Then select consistent setting data, and selected setting data is delivered to the control instruction module, forward step (d) to; If control data and 5 setting datas are all inconsistent, then withdraw from data comparison module, infrared receiver is waited for and is received next control signal;
(d) the control instruction module is sent final control signal; Through LCD MODULE and liquid crystal drive unit final control signal is shown on the LCDs; Simultaneously; Control instruction module drive temperature comparison module or relay output module action are regulated the wind speed of blower fan or the aperture of motor-driven valve through relay.
7. according to the terminal infrared control method of the said central air-conditioning of claim 6; It is characterized in that; In the said air-conditioner terminal controller learning phase; When setting controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key got into second functional mode, its method of operating was long by controller intensification key and controller cooling key; When time block detects time >=5 that controller intensification key and controller cooling key is pressed simultaneously second; Through keyboard input module key information is transported to the control instruction module; Start function key module by the control instruction module, make controller intensification key, controller cooling key, controller wind speed shift key and director mode shift key get into second functional mode.
8. according to the terminal infrared control method of the said central air-conditioning of claim 6, it is characterized in that said remote controller wind speed shift key and controller wind speed shift key are the fourth gear speed governing, be respectively high-grade, middle-grade, low grade and automatic transmission; Remote controller pattern shift key and director mode shift key are three kinds of pattern conversions, are respectively cold wind pattern, warm braw pattern and air vent mode.
9. the infrared control method that said according to Claim 8 central air-conditioning is terminal; It is characterized in that; Said air conditioning terminal controller is in the control stage, and when the user presses the remote controller on & off switch on remote controller, the control procedure of MCU controller is: after infrared receiver receives control signal; Convert control signal into digital signal pattern by the level signal pattern by signal conversion module, and the control data that obtains is temporary in first data cache module; The data call module is transferred control data and 5 setting datas in the memory in first data cache module respectively; Deliver to data comparison module then and compare analysis; Obtain corresponding setting data and analysis and Control data and still open for closing, the analysis result of data comparison module is delivered to the control instruction module; When analysis result was the pass, the control instruction module was sent final control signal, closes LCDs through LCD MODULE, closes blower fan and motor-driven valve respectively through relay output module; When analysis result when opening, the control instruction module is sent final control signal, opens LCDs through LCD MODULE, opens blower fan or motor-driven valve through relay output module simultaneously;
When the user presses remote controller intensification key or remote controller cooling key on remote controller; The control procedure of MCU controller is: after infrared receiver receives control signal; Convert control signal into digital signal pattern by the level signal pattern by signal conversion module, and the control data that obtains is temporary in first data cache module; The data call module is transferred control data and 5 setting datas in the memory in first data cache module respectively; Deliver to data comparison module then and compare analysis; After obtaining corresponding setting data, control data is delivered to the control instruction module as design temperature, see off and be shown in design temperature on the LCDs through LCD MODULE; Simultaneously design temperature is delivered to temperature comparison module; Temperature collect module receives the real time temperature that temperature sensor collects in real time, and the real time temperature that temperature collect module receives is also delivered to temperature comparison module, after temperature comparison module compares analysis to real time temperature and design temperature; Open and close through the relay output module control relay, thereby regulate the wind speed of blower fan or the aperture of motor-driven valve;
When the user presses remote controller wind speed shift key on remote controller; The control procedure of MCU controller is: after infrared receiver receives control signal; Convert control signal into digital signal pattern by the level signal pattern by signal conversion module, and the control data that obtains is temporary in first data cache module; The data call module is transferred control data and 5 setting datas in the memory in first data cache module respectively; Deliver to data comparison module then and compare analysis; Obtain corresponding setting data and analysis and Control data and be high-grade, middle-grade, low grade or automatic catch, the analysis result of data comparison module is delivered to the control instruction module; When analysis result when being high-grade, middle-grade or low-grade; The control instruction module is sent final control signal; Analysis result is seen off and is shown on the LCDs through LCD MODULE, simultaneously through the action of relay output module control relay, thus the wind speed of adjusting blower fan; When analysis result is automatic transmission; The control instruction module is sent final control signal, sees off and be shown in analysis result on the LCDs, simultaneously through LCD MODULE; Temperature collect module receives the real time temperature that temperature sensor collects in real time and delivers to temperature comparison module; Temperature comparison module compares real time temperature and design temperature or temperature commonly used, obtains temperature difference, and the control instruction module is through the action of relay output module control relay; Thereby regulate the wind speed of blower fan, the top grade that the blower fan wind speed is positioned at adapt, middle-grade or low-grade with temperature difference;
When the user presses remote controller pattern shift key on controller; The control procedure of MCU controller is: after infrared receiver receives control signal; Convert control signal into digital signal pattern by the level signal pattern by signal conversion module, and the control data that obtains is temporary in first data cache module; The data call module is transferred control data and 5 setting datas in the memory in first data cache module respectively; Deliver to data comparison module then and compare analysis; Obtaining corresponding setting data and analysis and Control data is cold wind pattern, warm braw pattern or air vent mode, and the analysis result of data comparison module is delivered to the control instruction module; When analysis result is cold wind pattern or warm braw pattern; The control instruction module is sent final control signal; See off and be shown in analysis result on the LCDs through LCD MODULE; Through the action of relay output module control relay, start blower fan and cold wind or the corresponding motor-driven valve of warm braw simultaneously; When analysis result is an air vent mode; The control instruction module is sent final control signal; See off and be shown in analysis result on the LCDs through LCD MODULE; Through the action of relay output module control relay, start blower fan simultaneously, close the corresponding motor-driven valve of cold wind and warm braw simultaneously respectively.
10. according to the terminal infrared control method of the said central air-conditioning of claim 9; It is characterized in that; When the user presses remote controller wind speed shift key on remote controller; In the control procedure of MCU controller, said design temperature is through on remote controller, pressing the set temperature of remote controller intensification key or remote controller cooling key;
When the user pressed remote controller wind speed shift key on remote controller, in the control procedure of MCU controller, said temperature commonly used was 26 ℃;
When the user pressed remote controller wind speed shift key on remote controller, in the control procedure of MCU controller, said real time temperature was the indoor temperature that temperature sensor collects in real time;
When the user presses remote controller wind speed shift key on remote controller; In the control procedure of MCU controller, the corresponding relation of said temperature difference and blower fan wind speed is respectively: during temperature difference>=3 ℃, the blower fan wind speed is adjusted to top grade; In the time of 1 ℃≤temperature difference＜3 ℃; The blower fan wind speed is adjusted to middle-grade, and during temperature difference＜1 ℃, the blower fan wind speed is adjusted to low grade.
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Address after: 510640 Tianhe District, Guangdong, No. five road, No. 381, Patentee after: SOUTH CHINA University OF TECHNOLOGY Patentee after: GUANGZHOU I-MEC INTELLIGENT TECHNOLOGY CO.,LTD. Address before: 510640 Tianhe District, Guangdong, No. five road, No. 381, Patentee before: South China University of Technology Patentee before: Guangzhou Yuanzheng Intelligent Technology Co.,Ltd. |
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