CN103120029A - Modular programmable lighting ballast - Google Patents

Modular programmable lighting ballast Download PDF

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Publication number
CN103120029A
CN103120029A CN2010800678043A CN201080067804A CN103120029A CN 103120029 A CN103120029 A CN 103120029A CN 2010800678043 A CN2010800678043 A CN 2010800678043A CN 201080067804 A CN201080067804 A CN 201080067804A CN 103120029 A CN103120029 A CN 103120029A
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CN
China
Prior art keywords
ballast
fluorescent tube
luminaire
operationally
circuit
Prior art date
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Granted
Application number
CN2010800678043A
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Chinese (zh)
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CN103120029B (en
Inventor
M.什劳什
G.戴维斯
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Lumetric Inc
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Lumetric Inc
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Publication date
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Publication of CN103120029B publication Critical patent/CN103120029B/en
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/382—Controlling the intensity of light during the transitional start-up phase
    • H05B41/384—Controlling the intensity of light during the transitional start-up phase in case of hot-restriking
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/105—Controlling the light source in response to determined parameters
    • H05B47/14—Controlling the light source in response to determined parameters by determining electrical parameters of the light source
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10—Controlling the light source
    • H05B47/175—Controlling the light source by remote control
    • H05B47/18—Controlling the light source by remote control via data-bus transmission
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection

Abstract

A lighting ballast is programmable as to input and output parameters. Both operational characteristics and sensed data are used to control the ballast parameters. The ballast is configured to recapture as electrical energy heat produced by the lamp. The ballast is constructed in modular fashion with a power factor correction circuit module and a ballast control circuit module that snap together to achieve a large number of input voltage and lamp type variations with a small number of separate units.

Description

Modularization lighting ballast able to programme
Technical field
The present invention relates generally to lighting ballast, relate in particular to the improvement ballast for the high-intensity discharge lighting apparatus.
Background technology
Some type electric lighting equipment as gaseous discharge lamp need to the sort of dissimilar electric power that usually can be directly obtains from the utility power main line.And such equipment often needs and in a single day starts the electric power of the sort of different startup types of just keeping illumination.In addition, some effectiveness of operation is derived from and changes the characteristic that offers the electric power of fluorescent tube from ballast.
Intrinsic aspect by many kinds of fluorescent tubes of ballast power supply are worked as their produces a considerable amount of heats and light.In great majority were used, this heat was not desirable, was considered to waste, had therefore reduced the gross efficiency that fluorescent tube forms its a part of illuminator.
Depend on desirable application, may need to be operated in the ballast on different main line input voltages, phase place, frequency etc.And, depend on desirable application, may need to provide to the fluorescent tube that they drive the ballast of different electrical characteristics.Therefore, ballast provider must each a large amount of different part that must separately order and catalogue of stock (or " SKU(stock keeping unit) ").Therefore, the required ballast of a great variety of common application requires electric equipment supplier to keep the stock of many parts, and some of them may left unused for a long time and can not be sold, and are therefore using warehouse space with non-best mode.
Look like the 7th, 129, No. 647 such known some effort of openly having described to solve more above-mentioned problems of United States Patent (USP), but still needs use ballast able to programme improves the control to the electric power that offers fluorescent tube.
Summary of the invention
According to the present invention, lighting ballast is being programmable aspect the input and output electric parameter.In one embodiment, input parameter is programmable, so that ballast can be operated on various input voltage (for example, 120 or 240 volts) and phase place (for example, single-phase, three-phase).In another embodiment, output is with reference to being programmable, so that ballast can provide to dissimilar fluorescent tube electricity output.In yet another embodiment, output is with reference to being programmable, so that ballast can be provided as the electricity output that application-specific (for example, tradition starts or the life-span longer " gentleness " is started) is selected.In one embodiment, according to the sensing condition automated programming ballast as the length on temperature, daytime, the existence of car light etc.In another embodiment, remote programmable ballast.
In addition, according to the present invention, ballast is configured to be on such position, the heat that the fluorescent tube that makes ballast absorb the ballast power supply produces, and from the sort of heat generating electric energy, in order to improve the gross efficiency that forms its a part of illuminator.In one aspect of the invention, thermoelectric converter charges in order to energy is re-used to capacitor or other storage subsystem.
Further, according to the present invention, ballast is consisted of with modular manner, in order to be equipped with independently power factor correction (PFC) circuit with ballast control circuit.Pfc circuit is configured to accept electric power with any of several rail voltages, current strength, frequency and phase combination, and therefrom produces the output of standard centre feed.Ballast control circuit is configured to accept standard centre feed from pfc circuit as input, and therefrom produces lamp works output.In one aspect of the invention, be equipped with many pfc circuits, each is configured to for given power of lamp tube at an easy rate with efficiently along with any one group of standard rail voltage, frequency and phase combination work.Also be equipped with many ballast control circuits, each is configured to corresponding with one group of compatible fluorescent tube.Pfc circuit and ballast control circuit are all with arranged in modules, in order to can easily they be assembled into complete ballast unit.
Description of drawings
The disclosed embodiments have other advantages and the feature that can more easily find out from detailed description, appended claims and accompanying drawing (or figure), briefly introducing of accompanying drawing is as follows.
Fig. 1 is the system block diagrams that comprises the luminaire of ballast and fluorescent tube.
Fig. 2 is the circuit diagram of pfc circuit.
Fig. 3 is the circuit diagram of ballast control circuit.
Fig. 4 is the circuit diagram of heat? recovery circuit.
Fig. 5 is the modular structure of luminaire.
These figures are described various embodiment of the present invention just for illustrative purpose.Those of ordinary skill in the art can easily recognize from following discussion, can not depart from the alternate embodiments of the principle of the present invention ground employing illustrative structure of this paper as herein described and method.
Embodiment
Fig. 1 with the block diagram form illustration comprise the luminaire 100 of ballast 110 and fluorescent tube 140.In a preferred embodiment, fluorescent tube 140 is the high-intensity discharge lamps as metal halide lamp or high-pressure sodium lamp.In other embodiments, the fluorescent tube of wishing the other types that ballast is controlled is used for fluorescent tube 140.The below's ballast 110 in greater detail is the ballast able to programme that comprises power factor correction (PFC) circuit 120 and ballast control circuit 130 in a preferred embodiment.Then the AC mains electricity of pfc circuit 120 phase shift correction utility power providers supply converts it to the DC electric power that is supplied to ballast control circuit 130.Ballast control circuit 130 converts DC electric power to fluorescent tube 140 can more easy-to-use form of power.For example, mains electricity may be 120 volts, 60 hertz sinusoidal wave Monophase electric powers, and may wish to start with high voltage pulse, higher-frequency square wave or modified sine wave for fluorescent tube 140, in order to trigger and set up the interior luminous electric arc of fluorescent tube 140, in case then fluorescent tube is set up electric arc and is preheating to working temperature, just be transitioned into than low pressure but still higher-frequency square wave feed, in order to electric arc is maintained on desired burn rate.Be described in further detail in the discussion of Fig. 2 and Fig. 3 as following, pfc circuit 120 and ballast control circuit 130 convert the incoming trunk feed to one of those forms that fluorescent tube 140 can use.
Pfc circuit 120 converts mains electricity to the filtering DC electric power of supplying with ballast control circuit 130.In one embodiment, pfc circuit 120 sensings are connected to the particular type of the mains electricity of luminaire 100, and the operating aspect of adjustment pfc circuit 100 able to programme correspondingly.For example, in a specific embodiment, pfc circuit 120 be configured to ground able to programme can be operated in 50 or the 60Hz frequency on, scope is single-phase to the main line feed of 480 volts of three-phases from 120 volts.Tradition many feeds ballast circuit only is designed to have and can be operated on several dissimilar input electric powers but compares parts on the efficient that reduces with the initial expected input.On the contrary, pfc circuit 120 forms the control loop of revising its built-in function, in order to realize basic identical efficient on any expection input electric power waveform in its opereating specification.
With pfc circuit 120 coupling be ballast control circuit 130.Be described in further detail in the discussion of Fig. 3 as following, ballast control circuit 130 is configured to control the power waveform that outputs to fluorescent tube 140.In case determined lamp type, in a kind of configuration, ballast control circuit 130 just further remains on constant level power of lamp tube, so that the tiny difference that is caused by the tiny manufacturing variation between the fluorescent tube of environmental condition, aging and same type in the output of compensation fluorescent tube.The ballast control circuit 130 of programming by this way be in some applications for aesthetic value (for example, in the situation that branched fluorescent tube is used for illuminating building), and be in order to raise the efficiency, to improve fail safe and the purpose of prolonging lamp tube service life in other are used.
Ballast control circuit 130 is configured to also depend on that the application of luminaire 100 and the various ways of inside programming light fluorescent tube 140.Practice shows that the different ignition wave forms of fluorescent tube 140 cause the different operating characteristic.Although a kind of ignition wave form may be lighted fluorescent tube 140 in accordance with traditional standard, but another kind of ignition wave form is " gentleness " more, because it makes the life-span of fluorescent tube 140 longer, and need less surge when starting, this uses at some, may be especially a problem in using than those of small generators power supply rather than main line mains supply.Application different between these operating characteristic may require different priority.For example, be arranged on replacement and may require the milder waveform to the luminaire 100 in the fluorescent tube 140 in life-span very difficult and expensive place, and other " illuminations as required " are used to pay the utmost attention to and allowed luminaire 100 that brighter illumination is provided.
Start high-intensity discharge lamp when for the first time, that is, when the gas in fluorescent tube was cold, restarting when triggering often than gas still heat was much easier.The new difference that triggers the required time of cold triggering and thermogravimetric may be sizable.For traditional ballast circuit, the new triggering of thermogravimetric may need to spend 20 minutes and could complete.As following described in more detail, in one embodiment, thermistor is placed near fluorescent tube.If such heat sensor can be used, make the information from it feed back to ballast control circuit 130, need not again to trigger before fully cooling the futile effort trial of fluorescent tube in order to can determine the suitable stand-by period.This thermal information also can be used for guaranteeing to install the suitable fluorescent tube that uses together with ballast.According to the variation of temperature with operation, if inserted improper fluorescent tube, cause warning mark, and this warning mark is used for cutting system or gives the alarm, in order to suitable fluorescent tube can be installed.In respective application, near may wish to respond as have automobile street lamp some sensing conditions are connected fluorescent tube automatically.Under such situation, by knowing lamp hole temperature, can newly according to thermogravimetric trigger or the timing of the order of light is opened in cold triggering adjustment, so that fluorescent tube reaches desired illumination on the desired time.
Except as the temperature sensor described in leading portion, use in various embodiments combines other transducers and ballast control circuit 130.Solar sensor not only is used for traditional day/night to be determined, and is used for determining of length on daytime, and accordingly, during the minimum period of expection vehicle flowrate, light is dimmed in remote districts.The vehicle of the another kind of photosensor senses approaching take the road adjacent with luminaire 100 as target, and improve brightness to help the driver during the minimum period of expection vehicle flowrate in remote districts.In an alternate embodiments, near image position such distance sensor another luminaire is communicated by letter with luminaire 100, provides the warning in advance of vehicle approaching, in order to reached illumination fully before the zone of approaching vehicle arrival luminaire 100 illuminations.
Ballast control circuit 130 comprises processor 135.In certain embodiments, luminaire 100 also comprises data equipment port one 50 and sensor port 160.Data equipment port one 50 is configured to be connected with computer, terminal or other data equipments for various application as may wishing.Sensor port 160 be configured to environment as described below with are connected transducer and are connected.Port one 50 and 160 both have data bus connection with ballast control circuit 130, in order to allow to use processor 135 to carry out control able to programme and communicate by letter, and have with pfc circuit 120(or in alternate embodiments, with ballast control circuit 130) the power supply line, in order to make port one 50 and 160 power supply that is fit to each associated devices can be offered the equipment that is attached thereto.For example, in one application, motion sensor is connected with sensor port 150.Replacement need to comprise as threshold value determine, the lag behind transducer of the ability setting, timing function etc., in such application, use cheap " dumb person " motion sensor, and such additional function passes through the disposal ability on ballast, for example, realize via processor 135.
Port one 50 and 160 both are general purposes of using for together with multiple associated devices.Other flexibility realizes by the port that can be configured to carry out two-way or one-way communication under many conventional communication protocols any.In one embodiment, each port one 50,160 comprises USB (USB), Ethernet, WiFi(802.11) and automatically detect at any special time and its single bus line that interrelates.
Referring now to Fig. 2, wherein show the circuit diagram of pfc circuit 120.For the purpose of simplified characterization, this circuit diagram includes only the main function components for the discussion of this paper; Those of ordinary skill in the art should be realized that, according to the best practice in electrical engineering field, also comprises other subsystems and parts as being used for those of noise filtering, fail safe etc.
Pfc circuit 120 comprises the main line connector 210 that is connected with utility network.In the general industry illumination is used, the single-phase AC feed between 208 and 277 volts is offered the HID light fixture.Comprise that certain limit can accept the conventional P FC circuit of input voltage and have extensively different efficient on those input voltages, for the non-best input voltage in tolerance interval basically with form " release " energy of heat.After filter circuit 212 represented initial filtering and surge protection, will offer from the electric power of main line connector 210 traditional full-wave bridge rectifier circuit 214.Filter circuit 212 also prevents any EMI(electromagnetic interference of generating in pfc circuit 120 and any circuit that is connected with DC OUT or equipment).Bridge rectifier 214, choke 222 and capacitor charging pump electronic circuit (hereinafter referred is " capacitor ") 232 reduces AC and rises and falls, in order to provide 450 volts of the ballast control circuit 130 of feeding to stablize dc voltage.Comprise that diode 224 is in order to prevent reverse direction current flow.
Except these parts, also comprise digital signal controller integrated circuit 230 in pfc circuit 120.In one embodiment, the serial TMS320-serial equipment of Texas Instrument (TI) is used for DSC IC230, but also can uses other integrated circuits.DSC IC230 is configured to accept input waveform 236 and output waveform as input, and according to programming as described below, finds out the operating frequency of the most suitable input line condition, in order to make the live load of pfc circuit 120 more effective.Less ground of more effective live load drive circuit, cause than otherwise the thermal release that presumable heat lacks out.
In conventional P FC, FET(for example, 226) be operated on the predetermined frequency of the most suitable given main line 210 input voltages as 277 volts, and DC OUT is the bus voltage as 450 volts.The frequency setting of FET is for example from the electric current of choke 222, makes for example 232 chargings of stably remaining valid of capacitor.If input voltage off-design standard, for example, 208 volts rather than 277 volts, due to the reduction of input voltage and the curent change that causes thus, PFC must work the longer time to keep the electric charge in capacitor 232.Due to the work longer time, FET226 is inevitable discharges more multi-energy with form of heat, and this is considered to worthless usually.
By incoming trunk waveform 236 and DC OUT waveform 238 are offered DSC IC230 as input, programming makes it can select the different switching frequencies of the more effective FET of making switch 226 circulations to DSC IC230.Specifically, by monitoring DC OUT waveform 238, DSC IC230 determines voltage drop and the circuit that is connected with DC OUT and the consumption of equipment.When from DC OUT and capacitor 232 taking-up energy, DSC IC230 is adjusted to the operating frequency of FET226 to the capacitor 232 the most effective numerical value of charging.In a preferred embodiment, the input side at capacitor 232 carries out DC OUT supervision; In an alternate embodiments, carry out the supervision of DC OUT at the outlet side of capacitor 232.
In order to determine optimum frequency, in one embodiment, DSC IC230 uses being scheduled to/calibration value from the storage list of determining by incoming trunk waveform 236.In another embodiment, the feedback during DSC IC230 configures DC OUT waveform as control loop.DSC IC230 monitors DC OUT waveform 238 with regard to the voltage drop of certain quantity, and when such landing being detected, begins to make FET226 to circulate with preset frequency.Again monitor DC OUT waveform 238, when voltage is restored, disconnect FET226.Duration and the current FET226 frequency of the current operation of DSC IC230 record.When instructed voltage is fallen for the second time, repeat this operation, unless DSC IC230 is lower or higher at random trickle adjustment FET226 frequency.Again record the duration of operation, and it was compared with the front once duration of record.If the new duration is longer, trickle adjusting frequency in the opposite direction; If should the duration shorter, along equidirectional trickle would adjusting frequency again.As long as the conventional use that can accept in the limit to keep pfc circuit (for example, make power factor synchronous), repeat the duration that this operates to shorten FET226 work (that is, connection will from the current distributing of the anode of diode 224 to ground wire).
Referring now to Fig. 3, show the circuit diagram of ballast control circuit 130.The same with Fig. 2, for the purpose of simplified characterization, this circuit diagram includes only the main function components for the discussion of this paper; Those of ordinary skill in the art should be realized that, according to the best practice in electrical engineering field, also comprises other subsystems and parts as being used for those of noise filtering, fail safe etc.
Input from pfc circuit 120 offers ballast control circuit 130 with DC electric power.Ballast control circuit 130 comprises that digital signal controller integrated circuit 320(is in certain embodiments also as the processor 135 of quoting in Fig. 1).In one embodiment, the serial TMS320-serial equipment of Texas Instrument (TI) is used for DSC IC320, but also can uses other integrated circuits, comprise the DSC IC230 that shares in PFC120.DSC IC320 exports the desirable waveform of interested fluorescent tube characteristic with the controlled way of imitateing sinusoidal output via the comprehensive characteristics as the frequency that changes rapidly pwm signal.The waveform output of DSC IC320 is connected with traditional double grid amplification driver 322, and bigrid amplification driver 322 amplifies waveform so that operation offers electric power on the FET switch 326 of fluorescent tube 330.In some applications, as realize that desired electrical management ability is required, switch 326 is realized by many group FET switches (2,4,6 etc.).
Desirable according to change waveforms such as current lamp tube status (on/off/dim degree), lamp type, power of lamp tube.The advantage of this design is to generate any desired waveform by DSC IC320, and is as desired in interested fluorescent tube characteristic, the shape of change frequency, amplitude, ripple, electric current, voltage, idle time etc.
Only wish in single another embodiment that plants waveform shape at fluorescent tube, with replacing bigrid amplification driver 322 with the self-excited oscillating type bigrid driver (not shown) of miscellaneous part (not shown) coupling as usual, to generate the waveform of desired shape.The frequency of waveform is inputted from DSC IC320 via the traditional means as pwm signal, serial order or simulation command signal.
In front in another embodiment of circuit, be the model transducer 332 and 334 of the waveform characteristic on report fluorescent tube 330 to the input of DSC IC320.For example, in one embodiment, model transducer 334 is signals of the electric current that flows through fluorescent tube 330 of indication as minute flow sensor (not shown) detection.Programming makes it can monitor the electricity characteristic that is supplied to fluorescent tube 330 via transducer 332 and 334 to DSC IC320, and as keep required the making adjustment of any desired parameter in preset range.
For example, unless fluorescent tube is dimmed, its power should be constant.But in fact, owing to changing chemical change and the electrode corrosion of its resistance in fluorescent tube, the power of fluorescent tube changes along with the aging of it.In order to keep firm power within the life-span of fluorescent tube, DSC IC320 processes the power as the fluorescent tube 330 of input, and as keeping firm power required along with the time, adjusts waveform characteristic.
In some applications, may mainly only pay close attention to the variation along a direction, for example aging and naturally dimmed along with fluorescent tube, require increasing power.In other other embodiment, may there be some constraints that must observe, for example, the supply capability that keeps below threshold voltage is out of order too early to prevent fluorescent tube.Programming makes and can easily make change according to any so desired consideration to DSC IC320.By recording such temporal evolution every day, also can collect relevant fluorescent tube life expectancy and especially in the situation that paying of replacing of fluorescent tube or cost are high, information that may interested related fields.
Referring now to Fig. 4, show the circuit diagram of heat? recovery circuit 410.The same with the figure of front, for the purpose of simplified characterization, this circuit diagram includes only the main function components for the discussion of this paper; Those of ordinary skill in the art should be realized that, according to the best practice in electrical engineering field, also comprises other subsystems and parts as being used for those of noise filtering, fail safe etc.
Many HID fluorescent tubes produce a considerable amount of heats and light, if such heat is not considered to desirable (for example, making the space heating at fluorescent tube place), such heat is the energy that slatterns, and has reduced the gross efficiency of fluorescent tube.At a simplified embodiment that is used for the illustration purpose, heat? recovery circuit 410 comprises and is positioned at fluorescent tube 430 and the thermocouple 450 above capacitor 440.The heat that fluorescent tube 430 produces makes thermocouple 450 heating, with the energy that so produces as electrical power storage in capacitor 440.In actual practice, Seebeck effect (Seebeck Effect) device is more effective than traditional thermocouple, and the heat that is used for above fluorescent tube 430 produces electric energy, and with the stocking system circuit rather than only capacitor 440 be used for energy being introduced again the mode store electrical energy of tube circuit, replenish the electric energy that ballast control circuit 130 provides.In fact, lamp tube socket (not shown) absorptance from fluorescent tube escapes into the many heats of aerial heat simply; Heat? recovery circuit 410 comprises directly and being connected with lamp tube socket or integrated thermocouple 450.In one embodiment, thermocouple 421 is traditional T-type thermocouples; In an alternate embodiments, use converts heat or the temperature difference to other any means known of electric energy.
Referring now to Fig. 5, luminaire 500 preferably is made of the ballast 510 with standalone module that pfc circuit 120 and ballast control circuit 130 are provided.As mentioned above, plan the difference of characteristic of the fluorescent tube that drives based on incoming trunk characteristic and their, the traditional lighting ballast is sold with a large amount of different configurations.Ballast 510 comprises pfc circuit 120 and ballast control circuit 130 are fastened togather and forms the connector 520 of complete ballast 510.In fact, have been found that, by making main line 210 parameters of electric power that pfc circuit 120 can be operated in particular subset (for example, one is used for 120-240 and lies prostrate single-phase, another is used for 240 volts of three-phases, and the 3rd be used for 480-600 volt three-phase), and by making the ballast control circuit can be for the lamp type of particular subset (for example, one is used for mercury-vapor lamp, another is used for metal halide lamp, and the 3rd be used for high-pressure sodium lamp) come work, can may make up cheap PFC and the control subsystem of required combination as multiple.The example that use provides, non-modularization approach need nine discrete ballasts to manage above-mentioned input voltage and lamp type combination, and modular approach only needs three pfc circuits and three ballast control circuits (six products altogether).Along with difference is increasing, the benefit of modular approach is even larger like this.For five kinds of input possibilities and five kinds of lamp type, the non-modularization approach needs 25 different ballasts, and modular approach only needs ten products (each five of PFC and ballast control circuits).By providing pfc circuit 120 and ballast control circuit 130 with the unit with the stand-alone shell that forms complete ballast 510 of being fastened togather, provide the dealer of such parts only to need the less part of stock just can provide omnibearing ballast ability to the client.
In one embodiment, standalone module PFC120 and independent ballast control module 130 link together via joint outer part 520.Connector 520 is public affairs/female connector in one embodiment, and is the connector with backboard in an alternate embodiments.Main line input electric power 210 is supplied to PFC module 120.PFC120 filtering and adjustment electric power, and the DC output power is supplied to connector 520.The DC electric power that ballast control module 130 receives from connector 520 generates desired waveform, and it is supplied to fluorescent tube 140.
In another embodiment, connector 520 not only will offer from the electric power of PFC120 ballast control module 130, and the two-way communication signal is provided between module, in order to can share the resource as microprocessor and transducer.
The front has provided description to the embodiment of the present invention for illustrative purpose, but this is not intended to exhaustive or makes the present invention be confined to disclosed precise forms.Those of ordinary skill in the related art should understand, can make many modifications and change according to top disclosing.
The some parts of this description has been described embodiments of the invention by algorithm and symbolic representation to the operation of information.These arthmetic statements and expression often are used for effectively passing on to other those of ordinary skill in this field the essence of their work by the those of ordinary skill of data processing field.Although these operations are on function, realize from calculating or describe from logic, being construed as by computer program or equivalent electric circuit, microcode etc.And also verified, sometimes without loss of generality the arrangement of these operations being called module is easily.Described operation and their correlation module can be specialized with software, firmware, hardware or their any combination.
Any step as herein described, operation or process can be utilized one or more hardware or software module individually or carry out or realize with other device combinations.In one embodiment, the software module utilization comprises the computer program of computer-readable media and realizes, this computer-readable media comprises can be carried out by computer processor in order to carry out the computer program code of described any or all step, operation or process.
Embodiments of the invention also can relate to the device of the operation of carrying out this paper.This device can consist of for required purpose particularly, and/or can comprise the universal computing device that activates selectively or reconfigure by the computer program that is stored in computer.Such computer program can be stored in any type of media of tangible computer-readable storage medium or suitable store electrons instruction, and is coupled with computer system bus.And any computing system of mentioning in this manual can comprise single processor, can be maybe to adopt the multiprocessor design in order to improve the framework of computing capability.
Embodiments of the invention also can relate to the computer data signal of specializing with carrier wave, and wherein this computer data signal comprises any embodiment of computer program as herein described or the combination of other data.This computer data signal be present in tangible media or carrier wave and modulation or otherwise be coded in carrier wave, tangible and according to the product of any suitable transmission method transmission.
At last, the language that uses is in this manual mainly selected for the purpose of legibility and instruction, rather than selects in order to define or limit theme of the present invention.Therefore, scope of the present invention is not subjected to this to describe restriction in detail, but be subjected to according to based on any claim of drawing of application limit.So, disclosing of embodiments of the invention is intended to illustration rather than limited the scope of the invention.

Claims (19)

1. luminaire, it comprises:
Fluorescent tube;
The ballast that operationally is connected with described fluorescent tube, described ballast comprise the processor of the operation that is configured to control described fluorescent tube able to programmely; And
The first port that operationally is connected with described ballast, described the first port comprise the first electrical connecting piece of the first equipment and the first data connector of the first equipment.
2. luminaire as claimed in claim 1, wherein said the first equipment is at least a of transducer and data equipment.
3. luminaire as claimed in claim 1, further comprise the second FPDP that operationally is connected with described ballast, and described the second FPDP comprises the second electrical connecting piece of the second equipment and the second data connector of the second equipment.
4. luminaire as claimed in claim 3, wherein said the second equipment is at least a of transducer and data equipment.
5. luminaire as claimed in claim 1, described ballast further comprises ballast control circuit, and described ballast control circuit is applicable to able to programmely waveform application in described fluorescent tube.
6. luminaire as claimed in claim 3, wherein said ballast are configured to provide communicating by letter between described the first equipment and described the second equipment.
7. luminaire as claimed in claim 1, wherein respond the described ballast of remote command signal controlling that offers described the first port as input.
8. luminaire as claimed in claim 1, wherein respond the sensing condition corresponding with the signal that offers described the first port as input and control described ballast.
9. luminaire, it comprises:
Fluorescent tube;
The ballast that operationally is connected with described fluorescent tube, described ballast comprise the processor of the operation that is configured to control described fluorescent tube able to programmely; And
The trigger parameter again of described fluorescent tube is determined in the operation that the heat sensor that operationally is connected with described ballast, wherein said ballast are configured to respond described heat sensor.
10. luminaire, it comprises:
Fluorescent tube;
The ballast that operationally is connected with described fluorescent tube, described ballast comprise the processor of the operation that is configured to control described fluorescent tube able to programmely; And
The heat sensor that operationally is connected with described ballast, wherein said ballast are configured to respond the operation of described heat sensor and determine the fluorescent tube characteristic.
11. a ballast that comprises pfc circuit, described pfc circuit are applicable to be connected with main supply and the characteristic that responds main supply is the operation self-configuration.
12. a pfc circuit, it comprises:
Be connected with utility network and be configured to accept the mains electricity waveform as the main line connector of input;
Operationally be connected and be configured to provide the rectifier subsystem of middle DC signal with described main line connector; And
Be configured to accept mains electricity waveform and middle DC signal as input and response programming Control, produce the digital signal controller subsystem of most suitable operating frequency.
13. pfc circuit as claimed in claim 12, further comprise operationally with described rectifier subsystem be connected the digital signal controller subsystem and be connected, be applicable to produce the charge pump electronic circuit of DC output signal.
14. a ballast control circuit, it comprises:
Be configured to receive the signal corresponding with the sensing load characteristic as input and this is responded and produce the digital signal controller of desired waveform; And
Be configured to accept desired waveform as the amplification driver of the driving signal of input and generation load that this is responded.
15. a ballast, it comprises:
The PFC module; And
Ballast control module, described PFC module and described ballast control module are configured to point of sale placement in described ballast.
16. a ballast, it comprises:
Be configured to detect the first subsystem of the characteristic of fluorescent tube; And
Be configured to respond the second subsystem that described characteristic adjustment is supplied to the waveform of fluorescent tube.
17. the predetermined criterion that is configured to ballast as claimed in claim 16, wherein said ballast respond will trigger waveform and supply with fluorescent tube able to programmely.
18. ballast as claimed in claim 17, wherein said predetermined criterion comprise at least a of fluorescent tube start-up time and fluorescent tube life expectancy.
19. a circuit that reclaims from electric loading as the energy of thermal loss, it comprises:
Be positioned near the hot electron system described electric loading, described hot electron system responses from the heat generation signal of telecommunication of described electric loading as output; And
Operationally be connected with described hot electron system and be configured to accept the signal of telecommunication as input and the signal of telecommunication offered the stocking system of electric loading.
CN201080067804.3A 2010-04-30 2010-04-30 modular programmable lighting ballast Expired - Fee Related CN103120029B (en)

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CN103120029B (en) 2015-08-19
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BR112012033562A2 (en) 2019-09-24
EP2564676A1 (en) 2013-03-06

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