CN104070960B - A kind of hybrid power automobile air conditioner system and control method thereof - Google Patents
A kind of hybrid power automobile air conditioner system and control method thereof Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 40
- 239000012809 cooling fluid Substances 0.000 claims description 24
- 238000004378 air conditioning Methods 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 9
- 239000006200 vaporizer Substances 0.000 claims description 9
- 239000012141 concentrate Substances 0.000 claims description 3
- 230000003993 interaction Effects 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001839 systemic circulation Effects 0.000 description 1
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Abstract
The present invention relates to a kind of hybrid power automobile air conditioner system and control method thereof, comprise motor driven compressor, condenser, high voltage electric well heater, HVAC always becomes and propulsion source, wherein, motor driven compressor is connected to condenser, and condenser is connected to HVAC and always becomes to form the first loop; Propulsion source is connected to high voltage electric well heater, and high voltage electric well heater is connected to HVAC and always becomes to form second servo loop. The present invention is cost-saving, better realizes fast cooling, fast heating and intelligent control compressor simultaneously, thus meets passenger comfort requirement.
Description
Technical field
The present invention relates to hybrid power automobile air conditioner, it is specifically related to a kind of hybrid power automobile air conditioner system and control method thereof.
Background technology
Along with the exhaustion day by day of the energy and the serious year by year of problem of environmental pollution, countries in the world are more and more higher to the requirement of energy-conserving and environment-protective, conventional gasoline engin automobile is gradually mixed power and pure electric automobile is replaced, but air-conditioning system also faces brand-new challenge as the part that automobile is indispensable, orthodox car air-conditioning can not be used in hybrid power and electromobile by engine belt-driven compressor, simultaneously traditional air-conditioning system also can not be applied to new-energy automobile, what first challenged is exactly mechanical compressor, need to increase an electric model due to new-energy automobile, so when electric model, belt pulley is not had to drive, novel driven compressor mode must be adopted, current hybrid vehicle uses relatively multimode to have two kinds, a kind of is electronic and mechanical Dual Drive or electronic compressor, condenser, vaporizer, well heater, PTC (heat air type) forms, owing to this system adopts Dual Drive compressor from technology and to become all purer motor driven compressor of present aspect complicated, adopt PTC (heat air type) air-out drier in addition, passenger is easily made to feel uncomfortable, and need to be integrated in HVAC always becomes due to this PTC, warm air after heating directly contacts with housing, if surface temperature is very high, HVAC case body can be produced the hidden danger of certain safety. another kind uses ceramic heater to replace PTC (heat air type), increases by 2 T-valve simultaneously, and this air-conditioning system is owing to there being 2 T-valve, and cost is relatively big, and resource is also more in short supply.
Summary of the invention
It is an object of the invention to provide a kind of hybrid power automobile air conditioner system and control method thereof, solve the comfortableness problem of air-conditioning in different mode handoff procedure. Motor driven compressor, parallel flow condenser, high voltage electric well heater, T-valve, HVAC is adopted always to become (vaporizer, well heater), cooling loop by motor driven compressor export High Temperature High Pressure gas to condenser, the liquid of medium temperature and medium pressure is formed by condenser, the liquid of low-temp low-pressure is formed by expansion valve throttling, being formed the gas of low-temp low-pressure by vaporizer, finally realize the object of passenger cabin cooling. By T-valve conversing circuits, realize the switching in water route in electric model and engine mode. Concrete technical scheme is as follows:
A kind of hybrid power automobile air conditioner system, comprises motor driven compressor, condenser, high voltage electric well heater, and HVAC always becomes and propulsion source, wherein,
Motor driven compressor is connected to condenser, and condenser is connected to HVAC and always becomes to form the first loop;
Propulsion source is connected to high voltage electric well heater, and high voltage electric well heater is connected to HVAC and always becomes to form second servo loop.
Further, HVAC always becomes to comprise vaporizer and well heater.
Further, described first loop is cooling loop, described motor driven compressor exports the gas of High Temperature High Pressure to condenser, described condenser forms the liquid of medium temperature and medium pressure, the liquid of low-temp low-pressure is formed by expansion valve throttling, described liquid is formed the gas of low-temp low-pressure by described vaporizer, and imports passenger cabin.
Further, described propulsion source is engine and/or electronic water pump.
Further, described propulsion source is engine and electronic water pump, engine and electronic water pump pass through a T-valve or two two-port valves and high voltage electric well heater, described T-valve or two two-port valves and are used for the switching that conversing circuits realizes water route in electric model and engine mode.
Further, also comprise external temperature sensor, indoor temperature transmitter, high-pressure sensor, low-pressure sensor, airconditioning control module and Air-Conditioning Control Panel, wherein,
Described external temperature sensor is for feeling survey outdoor environment temperature;
The temperature of described indoor temperature transmitter for detecting in passenger cabin;
Described high-pressure sensor is for gathering high pressure pipe pressure condition, and it is arranged on condenser and between HVAC always becomes;
Described low-pressure sensor is for gathering low pressure pipe pressure situation, and it is arranged on HVAC and always becomes between motor driven compressor;
Described airconditioning control module realizes the control of automatic air condition logic;
Described air-conditioning panel realizes man-machine interaction interface.
Further, HCU concentrates and motor driven compressor, high voltage electric well heater, electronic water pump, T-valve or 22 logical valves is controlled, motor driven compressor adopts CAN line to control, described condenser is parallel flow condenser, described HVAC always becomes to carry evaporator temperature sensor, and the conveying that described electronic water pump is cooling fluid during power truck pattern provides propulsion source.
The control method of above-mentioned hybrid power automobile air conditioner system, comprises the steps:
(1) loop defines three kinds of state electric models, mixed dynamic model formula, engine mode;
(2) under electric model:
(2-1) electronic water pump is delivered to valve body cooling fluid, this loop conducting, the non-conducting in loop, engine place, and cooling fluid is delivered to high voltage electric well heater;
(2-2) cooling fluid is heated by high voltage electric well heater;
(2-3) heating after cooling fluid deliver to HVAC always become in well heater and form heat exchange;
(3) under mixed dynamic model formula or engine mode:
(3-1) engine starting;
(3-2) when detecting that engine water temperature reaches current high voltage electric well heater and always becomes temperature out, loop, electronic water pump place is closed, loop, engine place;
(3-3) conveying of hot water after engine starting is realized.
Further, when automobile starting, automotive air-conditioning system is electric model, adopt and control method as follows: HCU exports relevant order to electronic water pump, electronic water pump is delivered to high voltage electric well heater the cooling fluid of different flow under different operating mode, cooling fluid being heated by high voltage electric well heater, HCU judges the power input of high voltage electric well heater by contrast external temperature, room temp and controls it and open and close
Further, loop described in step (1) is heating circuit, and the switching of described electric model, mixed dynamic model formula, engine mode is completed by T-valve; In step (3-2), the temperature difference is defined as �� 2 DEG C.
Compared with currently available technology, the present invention invented cost-saving more in the past, better realizes fast cooling, fast heating and intelligent control compressor simultaneously, thus meets passenger comfort requirement.
Accompanying drawing explanation
Fig. 1 is air-conditioning system structure block diagram of the present invention
Fig. 2 is Air-condition system control block diagram of the present invention
Embodiment
Describing the present invention with reference to the accompanying drawings below, it is a kind of preferred embodiment in numerous embodiments of the present invention.
In the present embodiment, air-conditioning system is mainly continued to use currently available products HVAC and is always become (carrying evaporator temperature sensor) and condenser assembly (hybrid electric vehicle that non-fully is newly developed is practical, namely have compressed the expense of HVAC die sinking, also save the cost that condenser is newly developed), high voltage electric well heater always becomes, electronic water pump always becomes, T-valve (or 22 logical valves), external temperature sensor, indoor temperature transmitter, high-pressure sensor, low-pressure sensor, airconditioning control module, Air-Conditioning Control Panel composition.
High voltage electric well heater always becomes can to engine mode, cooling fluid is heated by power truck pattern, T-valve (or 22 logical valves) realizes the switching in water route under different mode, the conveying that electronic water pump is cooling fluid during power truck pattern provides propulsion source, external temperature sensor sense outdoor environment temperature, temperature in indoor temperature transmitter detection passenger cabin, high-pressure sensor gathers high pressure pipe pressure condition, low-pressure sensor gathers low pressure pipe pressure situation, airconditioning control module realizes the control of automatic air condition logic, air-conditioning panel realizes man-machine interaction interface.
Utilize HCU to concentrate motor driven compressor, high voltage electric well heater, electronic water pump, T-valve (or 22 logical valves) to be controlled, by gathering external temperature, variable power that room temp, client's set temperature judge motor driven compressor rotating speed, high voltage electric well heater, the change of electronic water pump discharge, T-valve (or 22 logical valves) conducting situation, thus realize cooling, the heating demand of passenger cabin, meet client's comfortable property requirement.
Heating loop adopt high voltage electric well heater always in pairs cooling fluid heat, adopt a T-valve (or 22 logical valves) to realize the different heating loop of electric model, mixed dynamic model formula, engine mode switching formation simultaneously, invention before relatively is optimized, and reduces a three-way solenoid valve (2 2 logical valves can also be utilized to substitute). When electric model, by electronic water pump, cooling fluid is delivered to T-valve (or 22 logical valves), make 1 loop conducting, stop 2 loops, then arrive high voltage electric well heater always to become, cooling fluid is heated, make the cooling fluid after heating deliver to HVAC always become in well heater, thus form heat exchange; But engine starting, detect that engine water temperature reaches current high voltage electric well heater and always becomes temperature out (temperature difference can be defined as �� 2 DEG C, high voltage electric well heater always becomes to carry temperature sensor), close magnetic valve 1 loop, conducting 2 loop, thus the conveying of hot water after realizing engine starting.
Motor driven compressor (adopting CAN line traffic control) is had to carry out refrigerant compressing the power providing systemic circulation, form the gas of High Temperature High Pressure, cold liquid was formed through Overcold condenser, throttle by expansion valve afterwards, the vaporizer of the inside is always become to evaporate by HVAC, form heat exchange, thus realize the cooling demand of passenger cabin, in the present invention, relatively the direct belt-driven compressor of conventional gasoline car is different for refrigeration cycle, owing to using motor driven compressor, even if also can realize the requirement of fast cooling when idling, not by the restriction of motor speed, if store battery is when discharge and recharge meets, when just opening compressor, motor driven compressor can carry out work at a high speed, enough refrigerating dutys are provided, reach the demand of fast cooling simultaneously, as shown in loop A in accompanying drawing 1.
HCU is by external temperature sensor temperature information, indoor temperature transmitter temperature information, customer demand or set temperature information, simultaneously in conjunction with the charge/discharge state of current battery, (definition of rotating speed needs to demarcate through examination of passing by one's way the rotary speed information of a final output motor driven compressor, the rotary speed information that final acquisition is suitable), it is dealt into motor driven compressor module, thus controls the rotating speed of motor driven compressor. simultaneously in conjunction with the pressure of low-pressure sensor or the Temperature Feedback of evaporator temperature sensor, thus carry out judging whether native system vaporizer exists frosting risk, if pressure or temperature need cut off compressor in time or reduce compressor rotary speed lower than a certain value, its each component export input signal as shown in Figure 2, adopt the adhesive noise that motor driven compressor can avoid traditional vehicle to utilize close compressor and bring to solve frosting, the rotating speed reducing motor driven compressor can be adopted to realize the object of frost-free, thus not only to noise has lifting, reduce the number of times that compressor consonance disconnects simultaneously, the lifting motor driven compressor life-span contributes to some extent.
When car starts, pattern definition is power truck pattern, HCU exports relevant order to electronic water pump, electronic water pump (employing CAN line PWM controls) is delivered to high voltage electric well heater the cooling fluid of different flow under different operating mode, by high voltage electric well heater, cooling fluid is heated, HCU is by contrast external temperature (reading of CAN line), room temp (reading of CAN line) judges, the power input (adopting LIN line PWM to control) of high voltage electric well heater, if contrast client's set temperature differs with room temp �� 1.5 DEG C think and met customer demand at present, now can close high voltage electric well heater. when room temp is lower than 1.5 DEG C of set temperature, start high voltage electric well heater, if room temp is lower 3 DEG C than with set temperature, HCU exports certain power demand to high voltage electric well heater, once analogize, the output of this related power needs to carry out road examination and determines, thus realizes closed-loop control, as shown in circuit 1-1 in loop B in Fig. 1.
When the engine starts, HCU is needed to be monitored by high voltage electric heater outlet water temperature (high voltage electric well heater carries temperature sensor), real-time and engine water temperature compares, when water temperature differs �� 1.5 DEG C, T-valve (or 22 logical valves) is electricly reverse, make in Fig. 1 circuit 2-2 path in the B of loop, now utilize engine preheating to carry out heated cooling fluid, for air-conditioning system provides heating institute heat requirement.
When HCU monitoring of environmental temperature is-10 degrees Celsius, now battery can not discharge, high voltage electric well heater is caused not work, it is necessary to battery PTC (carries low pressure PTC), simultaneously starting engine, treat that battery can regular discharge, start high voltage electric well heater, the cooling fluid of engine water outlet is heated, such as B loop 3-2-2 line conduction in Fig. 1, can solving traditional vehicle water temperature to rise unhappy problem, its each component export input signal such as Fig. 2.
Above in conjunction with accompanying drawing to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the various improvement that the design of the method for the present invention carries out with technical scheme; or directly apply to other occasion without improving, all within protection scope of the present invention.
Claims (10)
1. the control method of a hybrid power automobile air conditioner system, it is characterized in that, hybrid power automobile air conditioner system comprises motor driven compressor, condenser, high voltage electric well heater, HVAC always becomes and propulsion source, wherein, motor driven compressor is connected to condenser, and condenser is connected to HVAC and always becomes to form the first loop, and described first loop is cooling loop; Propulsion source is connected to high voltage electric well heater, and high voltage electric well heater is connected to HVAC and always becomes to form second servo loop, and described second servo loop is heating loop; Control method comprises the steps:
(1) heating loop defines three kinds of state electric models, mixed dynamic model formula, engine mode;
(2) under electric model:
(2-1) electronic water pump is delivered to valve body cooling fluid, the heating circuit conducting under this electric model, the non-conducting in loop, engine place, and cooling fluid is delivered to high voltage electric well heater;
(2-2) cooling fluid is heated by high voltage electric well heater;
(2-3) heating after cooling fluid deliver to HVAC always become in well heater and form heat exchange;
(3) under mixed dynamic model formula or engine mode:
(3-1) engine starting;
(3-2) when detecting that engine water temperature reaches current high voltage electric well heater and always becomes temperature out, loop, electronic water pump place is closed, loop, engine place;
(3-3) conveying of hot water after engine starting is realized.
2. the control method of hybrid power automobile air conditioner system as claimed in claim 1, it is characterized in that, when automobile starting, automotive air-conditioning system is electric model, adopt and control method as follows: HCU exports relevant order to electronic water pump, electronic water pump is delivered to high voltage electric well heater the cooling fluid of different flow under different operating mode, cooling fluid being heated by high voltage electric well heater, HCU judges the power input of high voltage electric well heater by contrast external temperature, room temp and controls it and open and close.
3. the control method of hybrid power automobile air conditioner system as claimed in claim 1 or 2, it is characterised in that, loop described in step (1) is heating circuit, and the switching of described electric model, mixed dynamic model formula, engine mode is completed by T-valve; In step (3-2), the temperature difference is defined as �� 2 DEG C.
4. a hybrid power automobile air conditioner system, it is characterised in that, it adopts control method as claimed in claim 1 to control, and comprises motor driven compressor, condenser, high voltage electric well heater, and HVAC always becomes and propulsion source, wherein,
Motor driven compressor is connected to condenser, and condenser is connected to HVAC and always becomes to form the first loop;
Propulsion source is connected to high voltage electric well heater, and high voltage electric well heater is connected to HVAC and always becomes to form second servo loop.
5. hybrid power automobile air conditioner system as claimed in claim 4, it is characterised in that, HVAC always becomes to comprise vaporizer and well heater.
6. hybrid power automobile air conditioner system as claimed in claim 5, it is characterized in that, described first loop is cooling loop, described motor driven compressor exports the gas of High Temperature High Pressure to condenser, described condenser forms the liquid of medium temperature and medium pressure, formed the liquid of low-temp low-pressure by expansion valve throttling, described liquid is formed the gas of low-temp low-pressure by described vaporizer, and imports passenger cabin.
7. hybrid power automobile air conditioner system as according to any one of claim 4-6, it is characterised in that, described propulsion source is engine and/or electronic water pump.
8. hybrid power automobile air conditioner system as claimed in claim 7, it is characterized in that, described propulsion source is engine and electronic water pump, engine and electronic water pump pass through a T-valve or two two-port valves and high voltage electric well heater, described T-valve or two two-port valves and are used for the switching that conversing circuits realizes water route in electric model and engine mode.
9. hybrid power automobile air conditioner system as claimed in claim 8, it is characterised in that, also comprise external temperature sensor, indoor temperature transmitter, high-pressure sensor, low-pressure sensor, airconditioning control module and Air-Conditioning Control Panel, wherein,
Described external temperature sensor is for feeling survey outdoor environment temperature;
The temperature of described indoor temperature transmitter for detecting in passenger cabin;
Described high-pressure sensor is for gathering high pressure pipe pressure condition, and it is arranged on condenser and between HVAC always becomes;
Described low-pressure sensor is for gathering low pressure pipe pressure situation, and it is arranged on HVAC and always becomes between motor driven compressor;
Described airconditioning control module realizes the control of automatic air condition logic;
Described Air-Conditioning Control Panel realizes man-machine interaction interface.
10. hybrid power automobile air conditioner system as claimed in claim 9, it is characterized in that, HCU concentrates and motor driven compressor, high voltage electric well heater, electronic water pump, T-valve or two two-port valves is controlled, motor driven compressor adopts CAN line to control, described condenser is parallel flow condenser, described HVAC always becomes to carry evaporator temperature sensor, and the conveying that described electronic water pump is cooling fluid during electric model provides propulsion source.
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| CN105082941A (en) * | 2015-09-01 | 2015-11-25 | 南京金龙新能源汽车研究院有限公司 | Air-conditioner control system of electric automobile |
| CN105480054A (en) * | 2015-12-05 | 2016-04-13 | 奇瑞汽车股份有限公司 | Air conditioner heating system for hybrid power vehicle and control method thereof |
| CN108698471B (en) * | 2016-02-22 | 2021-05-14 | 株式会社电装 | Air conditioner for vehicle |
| CN105667252A (en) * | 2016-03-24 | 2016-06-15 | 奇瑞汽车股份有限公司 | Control system for vehicle air conditioner |
| TW201738516A (en) * | 2016-03-30 | 2017-11-01 | 江森自控科技公司 | Liquid detection system |
| CN107725274B (en) * | 2017-08-28 | 2023-12-22 | 碳合时代能源发展(四川)集团有限公司 | Air energy storage power generation system based on wind power kinetic energy |
| CN108674129A (en) * | 2018-05-18 | 2018-10-19 | 蔚来汽车有限公司 | Electric vehicle and its air-conditioning system |
| CN109927534B (en) * | 2019-03-20 | 2023-04-25 | 天津大学 | Thermal management system and control method for hybrid power heavy truck |
| CN111098665B (en) * | 2020-01-19 | 2020-11-20 | 湖南汽车工程职业学院 | Internal combustion engine automobile multi-mode temperature management system |
| CN111605381A (en) * | 2020-06-30 | 2020-09-01 | 应雪汽车科技(常熟)有限公司 | Energy storage type automobile heat pump air conditioning system and working method thereof |
| CN114393976B (en) * | 2022-02-24 | 2023-08-15 | 湖南行必达网联科技有限公司 | Intelligent air conditioning device for sleeper area, control method and automobile |
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