CN101761408A - Portable multifunctional manual operator of vehicle engine - Google Patents
Portable multifunctional manual operator of vehicle engine Download PDFInfo
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- CN101761408A CN101761408A CN 201010117594 CN201010117594A CN101761408A CN 101761408 A CN101761408 A CN 101761408A CN 201010117594 CN201010117594 CN 201010117594 CN 201010117594 A CN201010117594 A CN 201010117594A CN 101761408 A CN101761408 A CN 101761408A
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- engine
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Abstract
The invention provides a portable multifunctional manual operator of a vehicle engine, which comprises a manual operator terminal and a data communication line, wherein the portable multifunctional manual operator serves various functions, such as fault diagnosis, jet volume/ignition angle studying and modifying, online monitoring and early-warning and the like, in the aspect of software; a set of data acquisition and processing terminals matched with the electric control system of the engine is designed in the aspect of hardware to achieve the data communication between the main controllers of the electric control system, thereby achieving the acquisition, analysis, processing and display of data. The functions of the portable multifunctional manual operator are as follows: the fault diagnosis comprises the following steps: making accurate diagnosis of the failed engine, confirming the fault source and displaying the fault source on the display screen of the manual operator; the jet volume/ignition angle studying and modifying comprise the following steps: modifying the jet volume and ignition angle according to the individual difference between various gas properties and engines; and the online monitoring comprises the following steps: monitoring the physical properties of each component of the engine, making early-warning diagnosis on the component having no faults but potential risks and displaying the diagnosis on the display screen of the manual operator.
Description
Technical field
The embodiment of the invention relates to a kind of implementation method and device of maintenance terminal of vehicular engine, is specifically related to a kind of implementation method and device of multifunctional manual operator of vehicular engine.
Background technique
Automobile industry development so far, with fastest developing speed is automobile electrical appliances and electronic control technology.Along with the raising of vehicular engine technical merit, line construction becomes and becomes increasingly complex, and huge actuator, the feasible maintenance to motor of numerous and complicated sensed system become more and more difficult.
At present, whole electrical control system for engine mainly is made up of power supply unit, controller unit, temperature sensing unit, pressure sensitive unit, velocity pick-up unit, throttle sensing unit, fuel gas supply unit, nozzle performance element, igniting performance element etc.Wherein power supply unit is made up of storage battery, enable switch, electric pressure converter, safety fuse cutout etc.Complicated electrical control system structure has guaranteed the running state that motor is good on the one hand, can also increase the weight of the difficulty of safeguarding on the other hand simultaneously.
Each unit works well and could guarantee the running state that the motor complete machine is good, yet, in case a certain unit breaks down, huge architecture also makes the maintenance of motor and maintenance is become difficult, often need and specialized maintenance station personnel to keep in repair, maintenance cost is too high on the one hand, and site work environment does not allow oversize maintenance time yet on the other hand.And traditional maintenance mode generally needs a computer and various measurer, and various also the making of equipment safeguards that the complexity that becomes is with loaded down with trivial details.
Summary of the invention
The embodiment of the invention is applied to manual operating device in the electrical control system for engine maintenance, the exploitation and the application of portable manual operating device on the basis of the automatical control system that Hua Wei company produces, have been finished, its portable characteristics have remedied the heavy inconvenience that brings of service equipment effectively, and the detection means of manual operating device intelligence makes that driver oneself just can finish maintenance under the situation that does not need the professional workforce, convenient and swift and saving cost and time.And on the basis of traditional fault diagnosis meaning, added to have and revised tolerance and firing angle these have the function of learning ability, made it to have more practicability.
For achieving the above object, technological scheme specific implementation of the present invention is such:
The function of the portable manual operating device of a kind of motor realizes, comprising: fault diagnosis, sick engine is accurately diagnosed, and determine the source of trouble, and be presented on the manual operating device display screen; Study is revised, and carries out the correction of jet amount and firing angle at the individual difference that exists between different makings and the motor; On-line monitoring can be monitored each constituent element physical quantity of motor, to not breaking down but exist the part of hidden danger to provide alert, and is presented on the manual operating device display screen.
The device of the portable manual operating device of a kind of motor comprises: manual operating device terminal and data communication line; Wherein the manual operating device terminal mainly comprises main control single chip part, power supply circuits part, usb circuit part, keyboard, LED display and drive circuit thereof or the like, can realize collection, analysis, processing and the demonstration of data easily.
As seen from the above technical solutions, the function and the device of the portable manual operating device of this motor of the embodiment of the invention on software, provide fault diagnosis, study correction tolerance and firing angle, on-line monitoring and early warning etc. all multi-functional; Data capture and processing terminal that a cover and magnificent prestige electrical control system for engine are complementary on hardware, have been designed, the data communication line of changeing serial ports by USB can realize very easily its with the automatical control system master controller between data communication, thereby the collection analysis of realizing data is handled and demonstration.
Description of drawings
Fig. 1 is the overall structure schematic representation of manual operating device terminal and automatical control system in the embodiment of the invention.
Fig. 2 is a manual operating device function general procedure flow chart in the embodiment of the invention.
Fig. 3 is that manual operating device OBD function realizes program flow diagram in the embodiment of the invention.
Fig. 4 is that manual operating device study debugging functions are realized program flow diagram in the embodiment of the invention.
Embodiment
For making purpose of the present invention, technological scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
The embodiment of the invention provides a kind of manual operating device terminal equipment that is used for engine maintenance, the manual operating device terminal with and the general structure schematic representation of the automatical control system that will safeguard as shown in Figure 1, comprising whole automatical control system 130, data communication line 140, manual operating device terminal 150.
Whole automatical control system 130 mainly comprises: throttle sensor 101, temperature transducer 102, velocity transducer 103, pressure transducer 104, jet final controlling element 110, igniting final controlling element 111, fuel gas supply valve 112, signal acquisition module 131, actuator driven and monitoring modular 132, central processing unit (CPU) 133, communication module 134 and supply module 120.These all are the links that manual operating device terminal 150 will detect and be safeguarded.
Jet final controlling element 110, igniting final controlling element 111, fuel gas supply valve 112 have constituted the performance element of automatical control system jointly, by drive with monitoring modular 132 by central processing unit (CPU) 133 control actions, and its status information is fed back to central processing unit (CPU) 133 by driving with monitoring modular 132.
The function that the manual operating device terminal will realize in the embodiment of the invention mainly contains: fault diagnosis, study are revised, on-line monitoring.Fault diagnosis functions are mainly used in carrying out Fault Diagnosis and demonstration after the machine down that has broken down; The state that the study debugging functions are mainly used in the bad work of motor that is caused at different operating environment and machine individual difference carries out trickle adjustment; On-line monitoring be mainly used in before engine start or when operation to the self check of engine condition.Its general procedure flow chart is as shown in Figure 2:
Step 201: manual operating device is connected power supply, powers on;
Step 202: the initialization of manual operating device function module comprises that keyboard drive, LED drive, USB drives or the like;
Step 203: show main menu, and the wait keyboard key is gone into password;
Step 204: judge whether password is correct,, wait for password again otherwise turn back to step 203 if correctly then enter step 205 and carry out password and judge;
Step 205: decision-making function branch;
Step 206: password is judged to be fault diagnosis, then transmit order and carry out fault diagnosis to central control unit, diagnosis finish and show after enter step 209;
Step 207: password is judged to be study and revises, and then transmits order and revises the MAP table to central control unit, and revising finishes shows the successfully laggard step 209 of going into;
Step 208: password is judged to be on-line monitoring, then transmits order and wants it return correlation behavior information to central control unit, show enter step 209 after the information of wanting;
Step 209: function finishes, and wait is returned.
The program flow diagram of manual operating device fault diagnosis functions realization is as shown in Figure 3 in the embodiment of the invention:
Step 301: the manual operating device mode decision is a fault diagnosis, jumps to fault diagnosis functions;
Step 302: organize the required message word frame of fault diagnosis according to communication protocol;
Step 303: the message word frame that step 302 is organized sends central processing unit (CPU) 133 to by usb 1 57 shown in Figure 1;
Step 304: wait for that central processing unit (CPU) returns needed diagnostic message, then contribute to step 305 if receive the word frame;
Step 305: the arbitration of word frame message, the message of replying is retrieved, extract each self-corresponding diagnostic message;
Step 306: compare according to each parameter that extracts and the excursion of its permission, obtain failed component;
Step 307: will exist the parts of fault to be presented on the LED display 156;
Step 308: fault diagnosis model finishes, and waits for instruction;
The program flow diagram of manual operating device study debugging functions realization is as shown in Figure 4 in the embodiment of the invention:
Step 401: the user chooses the study debugging functions, enters the study modification model;
Step 402: jump to study and revise the interface, wait for that the user keys in related setting;
Step 403: the user keys in update information, and confirms;
Step 404: whether intelligent ruling is done to revise and is allowed, if allow to enter step 405, waits for that the user keys in again otherwise turn back to step 402;
Step 405: set the organizing communication message according to the user;
Step 406: the message that contains update information that will organize is sent to central processing unit (CPU) 133 by usb 1 57;
Step 407: wait for the back message using that receives after the central processing unit (CPU) operation is finished, then enter into step 408 if receive;
Step 408: according to the back message using that is returned on LED display, show make to revise success or not information, and upgrade parameter behind the complete operation;
Step 409: whether the inquiry user continues to revise, and then turns back to step 402 if continue to revise, otherwise enters into step 410;
Step 410: finish the study modification model, wait for instruction;
By as seen above-mentioned, provide a kind of implementation method and device of multifunctional manual operator of vehicular engine in the embodiment of the invention.A kind of manual operating device function implementation method that is used for engine diagnosis is provided in the embodiment of the invention; The function that provides a kind of phenomenon that is used for the bad working state of motor that caused at different operating environment and machine individual difference to carry out trickle adjustment; Provide a kind of be used for before engine start or when operation to the self-checking function of engine condition.Also provide a kind of device in the embodiment of the invention: a kind of portable manual operating device that is applicable to engine maintenance; A kind of device that has plug and play usb communication mouth; A kind of device that has workable input button and have LED display curtain backlight.As can be seen, the present invention has many other and invents unexistent technical advantage, is one and more adapts to motor special circumstances and the actual new innovation of using.
Understand easily, the above is preferred embodiment of the present invention only, is not to be used to limit spirit of the present invention and protection domain, and equivalent variations that any those of ordinary skill in the art made or replacement all should be considered as being encompassed within protection scope of the present invention.
Claims (8)
1. the function of the portable manual operating device of motor realizes, it is characterized in that, comprising: fault diagnosis, sick engine is accurately diagnosed, and determine the source of trouble, and be presented on the manual operating device display screen; Study is revised, and carries out the correction of jet amount and firing angle at the individual difference that exists between different combustion gas and the motor; On-line monitoring can be monitored each constituent element physical quantity of motor, to not breaking down but exist the part of hidden danger to provide alert, and is presented on the manual operating device display screen.
2. method according to claim 1; it is characterized in that described fault diagnosis controlling method is: sick engine is accurately diagnosed, determined the source of trouble; and be presented on the manual operating device display screen, mainly be to carrying out Fault Diagnosis and demonstration after the machine down that has broken down.
3. method according to claim 1, it is characterized in that, the method of described study correction is: carry out the correction of jet amount and firing angle at the individual difference that exists between different combustion gas and the motor, the state that is used for the bad work of motor that caused at different operating environment and machine individual difference carries out trickle adjustment.
4. method according to claim 1, it is characterized in that, the method of described on-line monitoring is: each constituent element physical quantity of motor is monitored, to not breaking down but exist the part of hidden danger to provide alert, and be presented on the manual operating device display screen, be used for before engine start or when operation to the self check of engine condition.
5. the device of the portable manual operating device of motor is characterized in that, comprising: manual operating device terminal and comprise other status information capture modules of motor, ECU module, CAN communication module, serial communication modular.
6. device according to claim 5, it is characterized in that the main control of described manual operating device terminal comprises: the coherent signal collection of reflection such as tach signal collection, suction pressure collection, cooling water temperature collection, intake temperature collection, oxygen sensor signal collection engine behavior; The failure monitoring of the common working state of motor; And the correction of the gas quantity of engine start machine and ignition energy energy.
7. device according to claim 5 is characterized in that, described ECU module comprises: comprise the AD modular converter, analog signal conversion can be become digital signal and grasp the instrument terminal with hand to show.
8. device according to claim 5 is characterized in that, described CAN communication module, serial communication modular part: the signal that is used for receiving other control ECU in the car load; And realize communicating between hand behaviour's instrument and ECU and the hand behaviour instrument PC
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010117594 CN101761408A (en) | 2010-03-04 | 2010-03-04 | Portable multifunctional manual operator of vehicle engine |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010117594 CN101761408A (en) | 2010-03-04 | 2010-03-04 | Portable multifunctional manual operator of vehicle engine |
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| CN101761408A true CN101761408A (en) | 2010-06-30 |
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| CN 201010117594 Pending CN101761408A (en) | 2010-03-04 | 2010-03-04 | Portable multifunctional manual operator of vehicle engine |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2136980Y (en) * | 1992-04-17 | 1993-06-23 | 曹益政 | Portable test instrument for engine of vehicle |
| US6181992B1 (en) * | 1993-06-25 | 2001-01-30 | Chrysler Corporation | Automotive diagnostic service tool with hand held tool and master controller |
| CN1304487A (en) * | 1999-05-11 | 2001-07-18 | 罗伯特·博施有限公司 | Diagnostic test device for motor vehicles which comprises portable testing apparatus |
| CN2651736Y (en) * | 2003-05-14 | 2004-10-27 | 深圳市元征科技股份有限公司 | Portable engine analyzer |
-
2010
- 2010-03-04 CN CN 201010117594 patent/CN101761408A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2136980Y (en) * | 1992-04-17 | 1993-06-23 | 曹益政 | Portable test instrument for engine of vehicle |
| US6181992B1 (en) * | 1993-06-25 | 2001-01-30 | Chrysler Corporation | Automotive diagnostic service tool with hand held tool and master controller |
| CN1304487A (en) * | 1999-05-11 | 2001-07-18 | 罗伯特·博施有限公司 | Diagnostic test device for motor vehicles which comprises portable testing apparatus |
| CN2651736Y (en) * | 2003-05-14 | 2004-10-27 | 深圳市元征科技股份有限公司 | Portable engine analyzer |
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Application publication date: 20100630 |