CN102328566A - Air conditioning system for hybrid electric vehicle and control method thereof - Google Patents
Air conditioning system for hybrid electric vehicle and control method thereof Download PDFInfo
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- CN102328566A CN102328566A CN201110146526A CN201110146526A CN102328566A CN 102328566 A CN102328566 A CN 102328566A CN 201110146526 A CN201110146526 A CN 201110146526A CN 201110146526 A CN201110146526 A CN 201110146526A CN 102328566 A CN102328566 A CN 102328566A
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Abstract
The invention relates to an air conditioning system for a hybrid electric vehicle and a control method thereof and can solve the problem that the temperature in a vehicle cannot be improved in advance in the prior art. According to the key points of the technical scheme, the air conditioning system for a hybrid electric vehicle comprises a direct current regulated power supply, a vehicle air conditioner, an vehicle engine, as well as hybrid storage battery, an air conditioner controller and a controllable selective switch, wherein the mechanical driving front end of a compressor is driven by the vehicle engine through mechanical linkage, the output end of the hybrid storage battery is connected with the controllable selective switch electrically, the control end of the controllable selective switch is connected with the direct current regulated power supply respectively through controllable switches TL1 and TL2, the first output end of the controllable selective switch is electrically connected with an electric drive end, the second output end of the controllable selective switch is connected with an electromagnetic clutch through a controllable switch TL3, the control ends of the controllable switches TL1, TL2 and TL3 are all connected with the air conditioner controller electrically. The air conditioning system can be used for adjusting the operation state of an air conditioner according to the use conditions of different vehicles.
Description
Technical field
The present invention relates to a kind of automotive air-conditioning system and control method thereof, particularly a kind of ability active is according to the hybrid power automobile air conditioner system and the control method thereof of different automotive use situation and vehicle interior temperature automatically regulating running state of air conditioner.
Background technology
As everyone knows, in auto-industry more and more flourishing today, the user has proposed increasingly high requirement to the traveling comfort of automobile.The north of china in winter severe cold, south heat in summer, vehicle interior temperature lets the user be far from suitable at the automobile starting initial stage.If can start a/c system in advance this time, improve vehicle interior temperature, then can improve the impression that the user starts the automobile initial stage greatly.But under existing technical conditions, start the required power of air conditioning for automobiles and supply with, therefore, must the user start automobile earlier, could dynamicly supply with then by automotive engine; In addition, though Che Nei generally has storage battery, this type of storage battery only can be kept the running of interior equipment, obviously can't drive high-performance a/c system running, so, the pretrigger that at present few vehicle can be accomplished a/c system.
Chinese patent notification number CN 200810180964.3A in open day on May 6th, 2009, discloses a kind of a/c system and control method thereof that is used for hybrid vehicle; A/c system comprises: air-conditioner controller, air conditioning switch, blowing engine; Interior environment system, automotive engine, automobile engine management system; And hybrid controller; Air-conditioner controller detects on the current car temperature whether in a reasonable range, and when judging that current vehicle interior temperature goes beyond the scope, then air-conditioner controller notice hybrid controller does not allow to carry out idle stop.This invention can be used on hybrid vehicle; But it still is to adopt the form of automotive engine drive air-conditioning to carry out; Improve the vehicle interior temperature state so this invents still can't realize the hybrid vehicle timing, open a/c system in advance, and this a/c system can't carry out the adjusting of running state according to the different condition of services of current automobile and the temperature of Che Nei.
Summary of the invention
The objective of the invention is to solve above-mentioned prior art hybrid power automobile air conditioner system and can't realize hybrid vehicle regularly, open the problem that a/c system improves the vehicle interior temperature state in advance, provide a kind of can be initiatively according to the hybrid power automobile air conditioner system and the control method thereof of different automotive use situation and vehicle interior temperature automatically regulating running state of air conditioner.
The technical solution adopted for the present invention to solve the technical problems is: a kind of hybrid power automobile air conditioner system; Comprise DC regulated power supply, car air-conditioner, automotive engine; Car air-conditioner comprises that blowing engine and electric machinery drive dual-purpose compressor; Compressor comprises compressor Mechanical Driven end and compressor driven by power end; Compressor Mechanical Driven end is driven through mechanical linkage after the magnetic clutch adhesive by automotive engine; Blowing engine is by the DC regulated power supply powered; Described hybrid power automobile air conditioner system also includes the controlled select switch of hybrid power storage battery, air-conditioner controller, single input dual output, and described hybrid power accumulator output end is electrically connected with controlled select switch, and the control end of said controlled select switch passes through gate-controlled switch TL1 and gate-controlled switch TL2 respectively and is electrically connected with described DC regulated power supply; First mouth of said controlled select switch is electrically connected with compressor driven by power end; Second mouth of described controlled select switch is electrically connected with magnetic clutch through gate-controlled switch TL3, and the control end of said gate-controlled switch TL1, TL2, TL3 is electrically connected with described air-conditioner controller respectively, and described air-conditioner controller is supplied power by DC regulated power supply.Be provided with like this, made full use of and be arranged on the hybrid power storage battery that mixes on the automobile of taking offence, compressor can be dual-purpose by electric power, Mechanical Driven; Be that compressor has Mechanical Driven end and driven by power end, the Mechanical Driven end partly is connected with opentype compressor, and compressor can promptly drive opentype compressor by belt pulley through mechanical linkage by automotive engine and partly drive after the magnetic clutch adhesive; Also be provided with the driven by power end in the compressor simultaneously, the driven by power end partly is connected with the compressor Direct Current Motor, and the compressor Direct Current Motor partly passes through driven by power; Can Driven Compressor carry out work equally, in the process of automobile normal running, automotive engine work; At this moment, air-conditioner controller is controlled the switching state output of controlled select switch through gate-controlled switch TL1 and gate-controlled switch TL2, and first mouth of controlled select switch is broken off; The second mouth conducting of controlled select switch, gate-controlled switch TL3 gets electric, when the user wants to use air-conditioning; May command air-conditioner controller output control signal; Gate-controlled switch TL3 receives signal conduction, and magnetic clutch gets electric adhesive, and automotive engine is through coming the Driven Compressor action through mechanical linkage; DC regulated power supply powered blowing engine; Car air-conditioner running this moment has reached the purpose that the automotive engine that adopts higher work efficiency in the automotive operation drives car air-conditioner, has saved electric energy; Behind parking of automobile, automotive engine is not worked, at this moment; Automobile has made full use of the storage battery that uses in the hybrid power; Air-conditioner controller is controlled the switching state output of controlled select switch through gate-controlled switch TL1 and gate-controlled switch TL2, and second mouth of controlled select switch is broken off the first mouth conducting of controlled select switch; Storage battery is directly through compressor driven by power end Driven Compressor; Accomplish that automotive engine also can use air-conditioning in halted state, the opening automobile driving engine in order to open air-conditioning has prolonged the life-span that automotive engine uses separately.
As preferably; Described controlled select switch comprises an input end S3, the first mouth S4 and the second mouth S5, the first control end S1 and the second control end S2 and four relay: relay K A4, relay K A5, relay K A6, relay K A7; Described relay K A4 comprises a coil KA4, a normally closed contact KA4 and an open contact KA4; Described relay K A5 comprises a coil KA5, a normally closed contact KA5 and an open contact KA5; Described relay K A6 comprises a coil KA6, an open contact KA6; Described relay K A7 comprises a coil KA7, an open contact KA7, described open contact KA4 and described open contact KA6 parallel connection, and the input end of said open contact KA4 is electrically connected with the mouth of said normally closed contact KA5; The mouth of said open contact KA4 is electrically connected with the input end of said coil KA6, and the mouth of said coil KA6 is electrically connected with the described first mouth S4; Described open contact KA5 and described open contact KA7 parallel connection; The input end of said open contact KA5 is electrically connected with the mouth of said normally closed contact KA4; The mouth of said open contact KA5 is electrically connected with the input end of said coil KA7, and the mouth of said coil KA7 is electrically connected with the described second mouth S5; The input end of said normally closed contact KA4 all is electrically connected with described input end S3 with the input end of said normally closed contact KA5; The input end of said coil KA4 is electrically connected with the described second control end S2, and the input end of said coil KA5 is electrically connected with the described first control end S1, the mouth of said coil KA4, coil KA5 all together () end is electrically connected.When having only coil KA4 to get when electric, open contact KA4 is closed, and normally closed contact KA4 breaks off; Open circuit between controlled select switch input end S3 to the second mouth S5; At this moment, through normally closed contact KA5, open contact KA4, coil KA6 gets electric current from input end S3 input; Open contact KA6 is closed, circuit self-locking conducting between controlled select switch input end S3 to the first mouth S4; When having only coil KA5 to get when electric, open contact KA5 is closed, and normally closed contact KA5 breaks off; Open circuit between controlled select switch input end S3 to the first mouth S4; At this moment, through normally closed contact KA4, open contact KA5, coil KA7 gets electric current from input end S3 input; Open contact KA7 is closed, circuit self-locking conducting between controlled select switch input end S3 to the second mouth S5; When coil KA4 and coil KA5 all when electric, normally closed contact KA4, normally closed contact KA5 all break off, at this moment, input end S3 to the first mouth S4, the second mouth S5 all open a way; When coil KA4 and coil KA5 all not electric, at this moment, open contact KA4, open contact KA5, open contact KA6, open contact KA7 all break off, input end S3 to the first mouth S4, the second mouth S5 all open a way; Be provided with like this, can confirm the output state of controlled select switch through the state of controlling two control ends.
As preferably; Described air-conditioner controller comprises micro controller system, data memory, wireless telecommunications chip, crystal oscillating circuit, watchdog circuit chip, clock chip, display driver circuit, display circuit, analog-to-digital conversion device and temperature sensor; Described wireless telecommunications chip, crystal oscillating circuit, watchdog circuit chip, data memory all are electrically connected with described micro controller system; Described display circuit is electrically connected with described micro controller system through display driver circuit; Described temperature sensor is electrically connected with described micro controller system through the analog-to-digital conversion device, and described air-conditioner controller also includes remote controller, and described remote controller and described wireless telecommunications chip are complementary.Air-conditioner controller adopts micro controller system as computing element, and micro controller system has certain computing power, adapts to the application of industry spot; More application is all arranged on various manufacture, and the setting of wireless telecommunications chip has made things convenient for the user to carry out the outside input through wireless mode; Make things convenient for the user whether to set time opening through the wireless telecommunications chip, input needs the various data such as temperature of regulating, and is the necessary element of controlled in wireless; The micro controller system that is set to of crystal oscillating circuit provides clock frequency, and the setting of watchdog circuit chip has prevented that SCM program from running various functions such as flying that also providing resets and restart, and data memory is that micro controller system provides data space; Display circuit is electrically connected with micro controller system through display driver circuit; Submit necessary information for the user through display circuit, can user's input information be fed back to the user and confirm, and the setting of driving circuit; Then, display circuit guarantees for providing necessary driving; Temperature sensor is electrically connected with micro controller system through the analog-to-digital conversion device, and micro controller system can have been practiced thrift the energy through judging whether to open car air-conditioner to the measurement of vehicle interior temperature and to the contrast of user's input temp.
As preferably, described gate-controlled switch TL1 is optocoupler TL1, and described gate-controlled switch TL2 is optocoupler TL2, and described gate-controlled switch TL3 is optocoupler TL3.Gate-controlled switch uses optocoupler also to have isolation preferably, can the comparatively stable operation of assurance system.
As preferably, described air-conditioner controller is electrically connected with communication module, and described air-conditioner controller receives the car engine machine data of automobile ECU transmission through communication module.Air-conditioner controller receives the automotive engine revolution data of automobile ECU transmission through communication module; Can be by the various data such as rotating speed of air-conditioner controller according to automotive engine; Judge the running state of automobile; If the rotating speed of automotive engine can reach the requirement that drives car air-conditioner then air-conditioner controller selects mechanical energy to drive; If the rotating speed of automotive engine is zero, or the rotating speed of automotive engine starts from scratch and increases and do not reach the minimum speed by the mechanical powered drive car air-conditioner, and air-conditioner controller judges that this moment, automobile stopped or ground zero so; By the hybrid power storage battery is car air-conditioner power supply, so can confirm different compressor to be carried out real-time driven by power and mechanically operated switching according to the data of the automotive engine of ECU transmission.
As preferably; Described hybrid power automobile air conditioner system also includes idling and promotes electromagnetic valve; Described idling promotes electromagnetic valve and is electrically connected with the mouth of said hybrid power storage battery through optocoupler TL4, and the control end of said optocoupler TL4 is electrically connected with described air-conditioner controller.When air-conditioner controller receives the rotating speed of data display automotive engine of ECU when low; The air-conditioner controller output signal; The conducting of optocoupler TL4 received signal, hybrid power storage battery are that idling promotes solenoid valve through controlled select switch input end S3, the second mouth S5, optocoupler TL4, and idling promotes the electromagnetic valve adhesive; Improve the rotating speed of automotive engine, automotive engine is able to keep driving compressor efficiently by mechanical energy.
As preferably, described blowing engine is electrically connected with DC regulated power supply through optocoupler TL5, and the control end of said optocoupler TL5 is electrically connected with described air-conditioner controller.Be provided with like this, when the needs car air-conditioner started, air-conditioner controller got final product output signal conducting blowing engine, and blowing engine can be synchronoused working with compressor.
A kind of hybrid power automobile air conditioner system control method; The method is in hybrid vehicle, to be provided with by the air-conditioner controller of DC regulated power supply power supply, controlled select switch, the hybrid power storage battery of single input dual output; Air-conditioner controller is according to running state of the vehicle; Reach when automobile normally moves, automotive engine drives described car air-conditioner running through mechanical linkage; When parking of automobile, car air-conditioner is realized regularly pretrigger, work through described hybrid power storage battery power supply, and the method may further comprise the steps:
Step 1: by described DC regulated power supply power supply, described air-conditioner controller is accomplished initialization, and the air-conditioner controller received signal starts.
Step 2: described air-conditioner controller is judged automobile operating state according to the rotating speed of automotive engine; If automobile engine starting, then described air-conditioner controller sends signal, and described blowing engine gets the electrician and does; The described controlled select switch second mouth conducting; The magnetic clutch adhesive, automotive engine comes Driven Compressor through mechanical linkage, and car air-conditioner starts, work.
Step 3: when car air-conditioner adopts driven by power; In case when automobile engine starting arrived certain rotating speed, described air-conditioner controller was judged automobile starting, at this moment; Described air-conditioner controller output signal; Described controlled select switch first mouth turn-offs, described controlled select switch second mouth conducting output, and described car air-conditioner is by mechanical powered drive work.
Step 4: if automotive engine does not start in step 2; Then described air-conditioner controller determines whether to carry out the timing pretrigger according to user's setting; Arrive when the ticket reserving time, described air-conditioner controller sends signal, electric, startup that described blowing engine gets; Described hybrid power storage battery is given described compressor power supply through controlled select switch first mouth, realizes that car air-conditioner is by regularly pretrigger, work of driven by power.
Step 5: when the user need close air-conditioning; Described air-conditioner controller output signal, controlled select switch first mouth and controlled select switch second mouth are all closed, and compressor runs out of steam; DC regulated power supply also no longer to the blowing engine power supply, close by car air-conditioner simultaneously.
Be provided with like this, air-conditioner controller according to the running state of vehicle to make full use of the hybrid power storage battery, when vehicle normally moves; Use automotive engine to drive Vehicular air-conditioner compressor; Automotive engine is through coming the Driven Compressor action, DC regulated power supply powered blowing engine, car air-conditioner running this moment through mechanical linkage; Reach the purpose that the automotive engine that adopts higher work efficiency in the automotive operation drives car air-conditioner, saved electric energy; When automobile stops; When automotive engine did not carry out work, storage battery directly through compressor driven by power end Driven Compressor, accomplished that automotive engine also can use air-conditioning in halted state; The user can preestablish the time of opening air-conditioning; Automatically start car air-conditioner, set comfort temperature by air-conditioner controller, solved under winter low temperature, two kinds of weather conditions of summer high temperature, the problem that vehicle interior temperature is uncomfortable; The user is the opening automobile driving engine in order to open air-conditioning in advance separately also, has prolonged the life-span that automotive engine uses.
As preferred version; After described car air-conditioner adopted mechanical powered drive to start running, if the automotive engine idling, then described air-conditioner controller sent signal; Described idle-speed-enhancing valve must be established by cable and open, and rotating speed of automobile engine rises and reaches the minimum speed of ability Driven Compressor.When air-conditioner controller receives the rotating speed of data display automotive engine of ECU when low; The air-conditioner controller output signal, the conducting of optocoupler TL4 received signal, idling promotes electromagnetic valve work; Improve the rotating speed of automotive engine, automotive engine is able to drive efficiently compressor.
As preferred version, when car air-conditioner during by mechanical powered drive, and when vehicle interior temperature is fit to, described air-conditioner controller output signal, controlled select switch turn-offs, and car air-conditioner is closed; When car air-conditioner is driven by the electric energy of hybrid power storage battery; When vehicle interior temperature is fit to; Described air-conditioner controller output signal; Described controlled select switch first mouth and controlled select switch second mouth all turn-off, and car air-conditioner is closed, and described air-conditioner controller judges that the priority whether vehicle interior temperature is fit to is higher than the priority that described air-conditioner controller judges whether automotive engine starts.Be provided with like this; Can guarantee that vehicle interior temperature can remain on a suitable temperature; Controlled select switch output signal turn-offs car air-conditioner when temperature remains on uniform temperature, has saved the car engine mechanomotive force, also guaranteed simultaneously car air-conditioner can be when temperature be suitable SELF CL; Avoid the work of optionally using automotive engine to generate electricity, saved the energy.
The invention has the beneficial effects as follows: the present invention can be initiatively according to the different vehicle state, and the type of drive of automatic switchover car air-conditioner reaches and in vehicle traveling process, uses the automotive engine Mechanical Driven, reduces the transformation of energy link, improves capacity usage ratio; When vehicle stopped, the hybrid power storage battery carried out driven by power, need not start automotive engine and just can realize the car air-conditioner pretrigger, improved vehicle interior temperature automatically in advance, improved user's driving and experienced.
Description of drawings
Fig. 1 is a kind of circuit block diagram of the present invention;
Fig. 2 is the schematic circuit diagram of a kind of controlled select switch among the present invention;
Fig. 3 is a kind of main program flow chart of the present invention.
Among the figure: 1, micro controller system, 2, controlled select switch, 3, compressor, 4, automotive engine, 5, magnetic clutch; 6, idling promotes electromagnetic valve, and 7, temperature sensor, 8, data memory, 9, display driver circuit, 91, display circuit; 10, blowing engine, 11, optocoupler TL1,12, optocoupler TL2,13, optocoupler TL3,14, optocoupler TL4; 15, optocoupler TL5,21, the hybrid power storage battery, 22, DC regulated power supply, 71, A and D converter; 72, clock chip, 73, communication module, 74, wireless communication module, 75, the watchdog circuit chip.
The specific embodiment
Pass through specific embodiment below, and combine accompanying drawing, technical scheme of the present invention is further specified.
Embodiment 1:
A kind of hybrid power automobile air conditioner system (with reference to accompanying drawing 1, accompanying drawing 2); Hybrid vehicle generally has three kinds of situation series connection form, series-parallel connection form and parallel forms; Present embodiment is applied to the hybrid vehicle of automotive engine and hybrid power storage battery parallel form; Promptly by automotive engine and the independent separately architectonical of electric system; The hybrid vehicle of power is provided respectively, the present invention includes car air-conditioner, air-conditioner controller, controlled select switch 2, idle-speed-enhancing valve 6, hybrid power storage battery 21 and automotive engine 4.Car air-conditioner comprises blowing engine 10 and compressor 3; Compressor 3 can be dual-purpose by electric power, Mechanical Driven, and promptly compressor 3 has Mechanical Driven end and driven by power end, and the Mechanical Driven end partly is connected with opentype compressor; Compressor 3 can promptly drive opentype compressor by belt pulley through mechanical linkage after through magnetic clutch 5 adhesives by automotive engine and partly drive; Also be provided with the driven by power end in the compressor simultaneously, the driven by power end partly is connected with the compressor Direct Current Motor, and the compressor Direct Current Motor partly passes through driven by power; Can Driven Compressor carry out work equally, blowing engine 10 is by DC regulated power supply 22 powered.Controlled select switch comprises an input end S3, the first mouth S4 and the second mouth S5, the first control end S1 and the second control end S2 and four relay: relay K A4, relay K A5, relay K A6, relay K A7; Relay K A4 comprises a coil KA4, a normally closed contact KA4 and an open contact KA4; Relay K A5 comprises a coil KA5, a normally closed contact KA5 and an open contact KA5; Relay K A6 comprises a coil KA6, an open contact KA6; Relay K A7 comprises a coil KA7, an open contact KA7; Open contact KA4 and open contact KA6 parallel connection; The input end of open contact KA4 is electrically connected with the mouth of normally closed contact KA5, and the mouth of open contact KA4 is electrically connected with the input end of coil KA6, and the mouth of coil KA6 is electrically connected with the first mouth S4; Open contact KA5 and open contact KA7 parallel connection, the input end of open contact KA5 is electrically connected with the mouth of normally closed contact KA4, and the mouth of open contact KA5 is electrically connected with the input end of coil KA7, and the mouth of coil KA7 is electrically connected with the second mouth S5; The input end of normally closed contact KA4 all is electrically connected with input end S3 with the input end of normally closed contact KA5; The input end of coil KA4 is electrically connected with the second control end S2, and the input end of coil KA5 is electrically connected with the first control end S1, the mouth of coil KA4, coil KA5 all together () end is electrically connected.Air-conditioner controller comprises micro controller system 1, data memory 8, wireless telecommunications chip 74, crystal oscillating circuit, watchdog circuit chip 75, clock chip 72, display driver circuit 9, display circuit 91, analog-to-digital conversion device 71 and temperature sensor 7; Micro controller system 1 adopts AT89C51 in the present embodiment; AT89C51 is a kind of efficient microcontroller, compatible mutually with the MCS-51 instruction set and the output pin of industrial standard, and alerting ability height and cost are lower; It is the NOR FLASH storage-type memory cell of AM29LV320 that data memory 8 adopts acp chip in the present embodiment, and its capacity is that 32Mb is that 4MB can store the mass data that comprises simple Chinese character; Wireless telecommunications chip 74 adopts LZ731I GPRS DTU chip in the present embodiment, and high speed embedded system that this wireless chip is inner integrated provides the ICP/IP protocol stack, is applicable to have the AT89C51 chip that contains the TTL ability to communicate; Crystal oscillating circuit adopts conventional 12MHZ crystal oscillator; That watchdog circuit chip 75 adopts is MAX813L; What clock chip 72 adopted is the SD2000 chip, and SD2000 built-in chip type crystal oscillating circuit can be set two-way regularly with timing signal with the output of binary-coded decimal form, and easy and micro controller system carries out communication; What display driver circuit 9, display circuit 91 adopted in the present embodiment is by the form that drives the EK640.480-AF1 flat-panel monitor based on the lcd controller MSM6255 of dot matrix; Wherein, The function of MSM6255 is with the display image on screen that is mapped of the point on data in the video memory and the screen; This part sequential is accomplished by MSM6255 automatically, and the EK640.480-AF1 flat-panel monitor shows this content; What analog-to-digital conversion device 71 adopted in the present embodiment is the ADC0809 chip, and what degree sensor 7 adopted is K type thermocouple, and K type thermocouple obtains temperature information, amplifies and through the ADC0809 chip temperature information is imported the AT89C51 micro controller system then.Wireless telecommunications chip 74, crystal oscillating circuit, watchdog circuit chip 75, data memory 8 all are electrically connected with micro controller system 1; Display circuit 91 is electrically connected with micro controller system 1 through display driver circuit 9, and temperature sensor 7 is electrically connected with micro controller system 1 through analog-to-digital conversion device 71.Air-conditioner controller also is electrically connected with communication module 73, and that communication module 73 adopts is serial communication module RS232, and air-conditioner controller receives the car engine machine data of automobile ECU transmission through communication module 73.The mouth of hybrid power storage battery 21 is electrically connected with DC regulated power supply 22 through lead; Be the air-conditioner controller power supply after DC regulated power supply 22 step-downs; The mouth of hybrid power storage battery 21 also is electrically connected with the input end S3 of controlled select switch 2; The first mouth S4 of controlled select switch 2 is electrically connected with the driven by power end of compressor 3; The second mouth S5 of controlled select switch 2 is electrically connected with magnetic clutch 5 through optocoupler TL3; The second mouth S5 of controlled select switch 2 promotes electromagnetic valve 6 through optocoupler TL4 with idling and is electrically connected, and the first control end S1 of controlled select switch 2, the second control end S2 are electrically connected with DC regulated power supply 22 through optocoupler TL1, optocoupler TL2 respectively, and the control end of optocoupler TL1, optocoupler TL2, optocoupler TL3, optocoupler TL4 all is electrically connected with the IO port of micro controller system 1.The mouth of DC regulated power supply 22 also is electrically connected with blowing engine 10 through optocoupler TL5, and the control end of optocoupler TL5 is electrically connected with the IO port of micro controller system 1.
A kind of hybrid power automobile air conditioner system control method (with reference to accompanying drawing 3), step 1: the hybrid power automobile air conditioner system powers on, and the hybrid power automobile air conditioner system begins to carry out initialization; At this moment, air-conditioner controller resets, wherein the storehouse of micro controller system 1, various register zero clearing; Wireless telecommunications chip 74, crystal oscillating circuit, watchdog circuit chip 75, clock chip 72, display driver circuit 9, display circuit 91, analog-to-digital conversion device 71 and temperature sensor 7 etc. all return to initial condition, and any signal does not take place micro controller system 1, this moment optocoupler TL1, optocoupler TL2, optocoupler TL3, optocoupler TL4, optocoupler TL5 control end all not; So; In the controlled select switch 2 coil KA4, coil KA5 all not electric, at this moment, open contact KA4, open contact KA5, open contact KA6, open contact KA7 all break off; Input end S3 to the first mouth S4, the second mouth S5 all open a way; At this moment, blowing engine 10, magnetic clutch 5, idling promote electromagnetic valve 6 all not electricly do not carry out any action, simultaneously; The driven by power end of compressor 3 also fails to receive electric energy; Car air-conditioner is not worked, and this moment, the user can start AIR COND SIG Air Conditioner Singnal through being sent by wireless, and the wireless telecommunications chip 74 of air-conditioner controller is accepted this signal and transferred to micro controller system 1; Micro controller system 1 is prepared to start and is driven display circuit 91 through display driver circuit 9, and display circuit 91 demonstration message feedback are given the user.
Step 2: if automobile is in running state, micro controller system 1 sends gating signal so, and the control end of optocoupler TL5 gets electric, and blowing engine 10 is through optocoupler TL5 and DC regulated power supply 22 conductings, blowing engine work; The control end of optocoupler TL2 gets electric, the control end of optocoupler TL1 not electric, first control end S1 of controlled select switch and constant voltage dc source 22 conductings; This moment controlled select switch 2 to have only coil KA5 to get electric, open contact KA5 is closed, normally closed contact KA5 breaks off; Open circuit between controlled select switch input end S3 to the first mouth S4, at this moment, electric current is from input end S3 input process normally closed contact KA4, open contact KA5; Coil KA7 gets; Open contact KA7 is closed, circuit self-locking conducting between controlled select switch input end S3 to the second mouth S5, and hybrid power storage battery 21 is supplied power to optocoupler TL3, optocoupler TL4 through the second mouth S5; Air-conditioner controller is to optocoupler TL3 control end output signal if air-conditioning needs work; Optocoupler TL3 conducting, hybrid power storage battery 21 outgoing currents are supplied power to magnetic clutch 5 through input end S3, the second mouth S5, the optocoupler TL3 of controlled select switch, and magnetic clutch 5 gets electric adhesive; Automotive engine 4 drives compressor 3 through mechanical linkage after the magnetic clutch adhesive, and car air-conditioner is worked by mechanical powered drive.
Step 3: when car air-conditioner received mechanical powered drive work, if rotating speed of automobile engine reduces, then micro controller system was accepted the tach signal that ECU sends; Be not enough to support the work of mechanical powered drive car air-conditioner through the existing rotating speed of computational discrimination, then micro controller system 1 sends the control end of Continuity signal to optocoupler TL4, optocoupler TL4 conducting; At this moment; Hybrid power storage battery 21 outgoing currents promote electromagnetic valve 6 to idling and supply power through input end S3, the second mouth S5, the optocoupler TL4 of controlled select switch, and idling promotes electromagnetic valve 6 and gets electric adhesive, and idle-speed-enhancing valve 6 moves thereupon; To keep the stability of automotive engine 4 rotating speeds, can keep car air-conditioner work.
When car air-conditioner was worked, the temperature sensor 7 in the air-conditioner controller was measured vehicle interior temperature synchronously and is transferred in the micro controller system 1 through ADC 71, and micro controller system 1 compares with regard to the comfort temperature of vehicle interior temperature and user's setting; If vehicle interior temperature fails to reach the comfort temperature of setting, then micro controller system continues output signal, keeps the mode of operation of car air-conditioner; If vehicle interior temperature has reached the comfort temperature of setting, then micro controller system 1 compares with regard to the comfort temperature of vehicle interior temperature and user's setting, if vehicle interior temperature has reached the comfort temperature of setting; The then output of micro controller system stop conducting signal, optocoupler TL1, optocoupler TL3, optocoupler TL4 all turn-off, controlled select switch 2 input end S3 to the first mouth S4 open circuit, the second mouth S5 conducting; At this moment, magnetic clutch 5, idling promote electromagnetic valve 6 all not electricly do not carry out any action, simultaneously; The driven by power end of compressor 3 also fails to receive electric energy; Car air-conditioner stops refrigeration (heat) work, and only optocoupler TL5 keeps conducting state, plays blowing function; When temperature departs from comfort temperature again; Optocoupler TL5 conducting again, compressor 3 continues by mechanical powered drive, and car air-conditioner is resumed work.
Step 4: if automotive engine does not change, then air-conditioner controller judges that automobile is in halted state.At this moment, micro controller system waits for that wireless telecommunications chip 74 receives regularly pre-actuation signal, if wireless telecommunications chip 74 does not receive regularly pre-actuation signal; Then the hybrid power automobile air conditioner system does not start, and continues to wait for to receive regularly pre-actuation signal, if wireless telecommunications chip 74 receives regularly pre-actuation signal; Then the hybrid power automobile air conditioner system gets into regularly starting state, this moment optocoupler TL1, optocoupler TL2, optocoupler TL3, optocoupler TL4, optocoupler TL5 control end all not electric, so; Coil KA4, coil KA5 are all not in the controlled select switch 2; At this moment, open contact KA4, open contact KA5, open contact KA6, open contact KA7 all break off, and input end S3 to the first mouth S4, the second mouth S5 all open a way; At this moment; Blowing engine 10, magnetic clutch 5, idling promote electromagnetic valve 6 all not electricly do not carry out any action, micro controller system 1 reads the chronometric data of clock chip 72, compares with the timing of communication chip 74 receptions; When the chronometric data of clock chip 72 with equate air-conditioner controller entering this moment pre-actuated state with timing that communication chip 74 receives.Micro controller system 1 input/output port output signal, with optocoupler TL1 conducting, optocoupler TL2 turn-offs; It is electric to have only coil KA4 to get in the controlled select switch 2, and open contact KA4 is closed, and normally closed contact KA4 breaks off; Open circuit between controlled select switch input end S3 to the second mouth S5, at this moment, electric current is from input end S3 input process normally closed contact KA5, open contact KA4; Coil KA6 gets electric, and open contact KA6 is closed, circuit self-locking conducting between controlled select switch input end S3 to the first mouth S4; The driven by power end of the input end S3 of hybrid power storage battery 21 outgoing currents through controlled select switch 2, the first mouth S4, compressor 3 is directly supplied power to compressor 3; Simultaneously, micro controller system 1 is also to optocoupler TL5 output signal, optocoupler TL5 conducting, and to blowing engine 10 power supplies, car air-conditioner gets electric startup to DC regulated power supply 22 like this through optocoupler 5, the entering mode of operation.
Step 5: when the driven by power car air-conditioner was worked, the temperature sensor 7 in the air-conditioner controller was measured vehicle interior temperature synchronously and is transferred in the micro controller system 1 through ADC 71, and communication module 73 also receives the data of vehicle ECU synchronously; Micro controller system 1 compares with regard to the comfort temperature of vehicle interior temperature and user's setting; If vehicle interior temperature has reached the comfort temperature of setting, the then output of micro controller system 1 stop conducting signal, optocoupler TL1, optocoupler TL2, optocoupler TL3, optocoupler TL4, optocoupler TL5 all turn-off; Controlled select switch 2 input end S3 to the first mouth S4, the second mouth S5 all open a way; At this moment, blowing engine 10, magnetic clutch 5, idling promote electromagnetic valve 6 all not electricly do not carry out any action, simultaneously; The driven by power end of compressor 3 also fails to receive electric energy, and car air-conditioner quits work.If vehicle interior temperature does not reach the comfort temperature of setting; And communication module 73 receives the rotating speed of automobile engine data that the rotating speed of automobile engine data equal zero or communication module 73 receives the ECU transmission of ECU transmission from zero growth rate; But when its rotary speed data does not reach the minimum data value that can drive car air-conditioner as yet; Optocoupler TL1 conducting is kept in the output of micro controller system 1 holding signal, and optocoupler TL2 turn-offs; Guarantee circuit self-locking conducting between controlled select switch 2 input end S3 to the first mouth S4, car air-conditioner is maintenance work under power-actuated situation; If vehicle interior temperature does not reach the comfort temperature of setting; And when the rotating speed of automobile engine data that communication module 73 receives ECU transmission reach the minimum data value that can drive car air-conditioner; Micro controller system 1 output signal turn-offs optocoupler TL1, with optocoupler TL2, optocoupler TL3 conducting; Open circuit between controlled select switch input end S3 to the first mouth S4; The driven by power end dead electricity of compressor 3, circuit turn-on between controlled select switch input end S3 to the second mouth S5, hybrid power storage battery 21 is supplied power to magnetic clutch 5 through controlled select switch switch input terminal S3, the second mouth S5, optocoupler TL33; Magnetic clutch 5 gets electric adhesive, and car air-conditioner is by mechanical powered drive work.
If the user wants to stop the work of car air-conditioner; Can send signal to wireless communication module 74, the then output of micro controller system 1 stop conducting signal, optocoupler TL1, optocoupler TL2, optocoupler TL3, optocoupler TL4, optocoupler TL5 all turn-off; Controlled select switch 2 input end S3 to the first mouth S4, the second mouth S5 all open a way; At this moment, blowing engine 10, magnetic clutch 5, idling promote electromagnetic valve 6 all not electricly do not carry out any action, simultaneously; The driven by power end of compressor 3 also fails to receive electric energy, and car air-conditioner quits work.
Above-described embodiment is a kind of preferable scheme of the present invention, is not that the present invention is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (10)
1. hybrid power automobile air conditioner system; Comprise DC regulated power supply, car air-conditioner, automotive engine; Car air-conditioner comprises that blowing engine and electric machinery drive dual-purpose compressor; Compressor comprises compressor Mechanical Driven end and compressor driven by power end; Compressor Mechanical Driven end is driven through mechanical linkage after the magnetic clutch adhesive by automotive engine; Blowing engine is by the DC regulated power supply powered; It is characterized in that: described hybrid power automobile air conditioner system also includes the controlled select switch of hybrid power storage battery, air-conditioner controller, single input dual output, and described hybrid power accumulator output end is electrically connected with controlled select switch, and the control end of said controlled select switch passes through gate-controlled switch TL1 and gate-controlled switch TL2 respectively and is electrically connected with described DC regulated power supply; First mouth of said controlled select switch is electrically connected with compressor driven by power end; Second mouth of described controlled select switch is electrically connected with magnetic clutch through gate-controlled switch TL3, and the control end of said gate-controlled switch TL1, TL2, TL3 is electrically connected with described air-conditioner controller respectively, and described air-conditioner controller is supplied power by DC regulated power supply.
2. hybrid power automobile air conditioner according to claim 1 system; It is characterized in that: described controlled select switch comprises an input end S3, the first mouth S4 and the second mouth S5, the first control end S1 and the second control end S2 and four relay: relay K A4, relay K A5, relay K A6, relay K A7; Described relay K A4 comprises a coil KA4, a normally closed contact KA4 and an open contact KA4; Described relay K A5 comprises a coil KA5, a normally closed contact KA5 and an open contact KA5; Described relay K A6 comprises a coil KA6, an open contact KA6; Described relay K A7 comprises a coil KA7, an open contact KA7; Described open contact KA4 and described open contact KA6 parallel connection; The input end of said open contact KA4 is electrically connected with the mouth of said normally closed contact KA5, and the mouth of said open contact KA4 is electrically connected with the input end of said coil KA6, and the mouth of said coil KA6 is electrically connected with the described first mouth S4; Described open contact KA5 and described open contact KA7 parallel connection; The input end of said open contact KA5 is electrically connected with the mouth of said normally closed contact KA4; The mouth of said open contact KA5 is electrically connected with the input end of said coil KA7, and the mouth of said coil KA7 is electrically connected with the described second mouth S5; The input end of said normally closed contact KA4 all is electrically connected with described input end S3 with the input end of said normally closed contact KA5; The input end of said coil KA4 is electrically connected with the described second control end S2, and the input end of said coil KA5 is electrically connected with the described first control end S1, the mouth of said coil KA4, coil KA5 all together () end is electrically connected.
3. hybrid power automobile air conditioner according to claim 1 system; It is characterized in that: described air-conditioner controller comprises micro controller system, data memory, wireless telecommunications chip, crystal oscillating circuit, watchdog circuit chip, clock chip, display driver circuit, display circuit, analog-to-digital conversion device and temperature sensor; Described wireless telecommunications chip, crystal oscillating circuit, watchdog circuit chip, data memory all are electrically connected with described micro controller system; Described display circuit is electrically connected with described micro controller system through display driver circuit; Described temperature sensor is electrically connected with described micro controller system through the analog-to-digital conversion device; Described air-conditioner controller also includes remote controller, and described remote controller and described wireless telecommunications chip are complementary.
4. hybrid power automobile air conditioner according to claim 1 system, it is characterized in that: described gate-controlled switch TL1 is optocoupler TL1, and described gate-controlled switch TL2 is optocoupler TL2, and described gate-controlled switch TL3 is optocoupler TL3.
5. hybrid power automobile air conditioner according to claim 1 system, it is characterized in that: described air-conditioner controller is electrically connected with communication module, and described air-conditioner controller receives the car engine machine data of automobile ECU transmission through communication module.
6. hybrid power automobile air conditioner according to claim 5 system; It is characterized in that: described hybrid power automobile air conditioner system also includes idling and promotes electromagnetic valve; Described idling promotes electromagnetic valve and is electrically connected with the mouth of said hybrid power storage battery through optocoupler TL4, and the control end of said optocoupler TL4 is electrically connected with described air-conditioner controller.
7. hybrid power automobile air conditioner according to claim 1 and 2 system is characterized in that: described blowing engine is electrically connected with DC regulated power supply through optocoupler TL5, and the control end of said optocoupler TL5 is electrically connected with described air-conditioner controller.
8. hybrid power automobile air conditioner system control method; The method is in hybrid vehicle, to be provided with by the air-conditioner controller of DC regulated power supply power supply, controlled select switch, the hybrid power storage battery of single input dual output; Air-conditioner controller is according to running state of the vehicle; Reach when automobile normally moves, automotive engine drives described car air-conditioner running through mechanical linkage; When parking of automobile, car air-conditioner is realized regularly pretrigger, work through described hybrid power storage battery power supply, and it is characterized in that: the method may further comprise the steps:
Step 1: by described DC regulated power supply power supply, described air-conditioner controller is accomplished initialization, and the air-conditioner controller received signal starts;
Step 2: described air-conditioner controller is judged automobile operating state according to the rotating speed of automotive engine; If automobile engine starting, then described air-conditioner controller sends signal, and described blowing engine gets the electrician and does; The described controlled select switch second mouth conducting; The magnetic clutch adhesive, automotive engine comes Driven Compressor through mechanical linkage, and car air-conditioner starts, work;
Step 3: when car air-conditioner adopts driven by power; In case when automobile engine starting arrived certain rotating speed, described air-conditioner controller was judged automobile starting, at this moment; Described air-conditioner controller output signal; Described controlled select switch first mouth turn-offs, described controlled select switch second mouth conducting output, and described car air-conditioner is by mechanical powered drive work;
Step 4: if automotive engine does not start in step 2; Then described air-conditioner controller determines whether to carry out the timing pretrigger according to user's setting; Arrive when the ticket reserving time, described air-conditioner controller sends signal, electric, startup that described blowing engine gets; Described hybrid power storage battery is given described compressor power supply through controlled select switch first mouth, realizes that car air-conditioner is by regularly pretrigger, work of driven by power;
Step 5: when the user need close air-conditioning; Described air-conditioner controller output signal, controlled select switch first mouth and controlled select switch second mouth are all closed, and compressor runs out of steam; DC regulated power supply also no longer to the blowing engine power supply, close by car air-conditioner simultaneously.
9. hybrid power automobile air conditioner system control method according to claim 8; It is characterized in that: after described car air-conditioner adopts mechanical powered drive to start running; If automotive engine idling; Then described air-conditioner controller sends signal, and described idle-speed-enhancing valve must be established by cable and open, and rotating speed of automobile engine rises and reaches the minimum speed of ability Driven Compressor.
10. according to Claim 8 or 9 described hybrid power automobile air conditioner system control methods; It is characterized in that: when car air-conditioner during by mechanical powered drive, and when vehicle interior temperature is fit to, described air-conditioner controller output signal; Controlled select switch turn-offs, and car air-conditioner is closed; When car air-conditioner is driven by the electric energy of hybrid power storage battery; When vehicle interior temperature is fit to; Described air-conditioner controller output signal; Described controlled select switch first mouth and controlled select switch second mouth all turn-off, and car air-conditioner is closed, and described air-conditioner controller judges that the priority whether vehicle interior temperature is fit to is higher than the priority that described air-conditioner controller judges whether automotive engine starts.
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| CN103171401A (en) * | 2013-04-12 | 2013-06-26 | 柳州力通车用空调有限公司 | Control device of automotive air conditioner |
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| CN103738273A (en) * | 2013-12-21 | 2014-04-23 | 博耐尔汽车电气系统有限公司 | Control method of hybrid electric automobile air conditioner |
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