CN105667252A - Control system for vehicle air conditioner - Google Patents
Control system for vehicle air conditioner Download PDFInfo
- Publication number
- CN105667252A CN105667252A CN201610184962.6A CN201610184962A CN105667252A CN 105667252 A CN105667252 A CN 105667252A CN 201610184962 A CN201610184962 A CN 201610184962A CN 105667252 A CN105667252 A CN 105667252A
- Authority
- CN
- China
- Prior art keywords
- heater
- valve
- water pump
- control unit
- electromotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 238000001816 cooling Methods 0.000 claims abstract description 12
- 238000004378 air conditioning Methods 0.000 claims description 40
- 239000002826 coolant Substances 0.000 claims description 26
- 230000001839 systemic circulation Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 abstract description 11
- 239000000110 cooling liquid Substances 0.000 abstract 1
- 238000005057 refrigeration Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
- B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
- B60H1/004—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for vehicles having a combustion engine and electric drive means, e.g. hybrid electric vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00421—Driving arrangements for parts of a vehicle air-conditioning
- B60H1/00435—Driving arrangements for parts of a vehicle air-conditioning fluid or pneumatic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00807—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models the input being a specific way of measuring or calculating an air or coolant temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/22—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant
- B60H1/2203—Heating, cooling or ventilating [HVAC] devices the heat being derived otherwise than from the propulsion plant the heat being derived from burners
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention belongs to the technical field of automobile air conditioners, and in particular relates to a control system for a vehicle air conditioner. A heater, an air conditioner heater core, an electronic water pump and a second valve are connected in sequence via a pipeline to form a closed loop; a pipeline is led out between the heater and the second valve, passes through a first valve, and then is connected with a water outlet of an engine great-circulation cooling loop; a branch is led out between the air conditioner heater core and the electronic water pump and is connected with a water outlet of the engine great-circulation cooling loop; a control unit collects an engine cooling liquid temperature or collects an on-off signal of a thermostat in an engine, an in-vehicle temperature and a temperature set by a user, performs processing, and then outputs a control command to control the start/stop of the heater and the electronic water pump. When a vehicle is in an engine off state or a purely electric mode running state, an air conditioner system can meet the cooling and heating requirements of an operator; when the engine is just started, the heating requirement can be met by starting the heater, thereby ensuring the comfort of a driver and a passenger.
Description
Technical field
The invention belongs to automobile air conditioning technology field, control system particularly to a kind of vehicle air conditioning.
Background technology
Along with international energy supply-demand relationship is increasingly severe, energy prices can rise violently any more yet, and China is response the Sustainable Development Strategy, and country has sung the slogan of " low-carbon environment-friendly, energy-saving and emission-reduction " loudly, advocates each enterprise and furthers investigate in new-energy automobile field. For responding to the call of one's country, domestic each auto vendor all develops corresponding new-energy automobile falling over each other, for new-energy automobile, and the main selling point that the publicity of energy-saving and emission-reduction Shi Ge auto vendor is sold.
Plug-in hybrid electric vehicle taps a new source of energy as Ge great auto vendor the first vehicle of automobile, and its maximum advantage is in that: (1) it there is the course continuation mileage more longer than conventional gasoline car, take into account the higher feature more saving oil consumption of dynamic property simultaneously; (2) directly can charge the battery by external power supply, adopt electric-only mode continuation of the journey, accomplished to make up the deficiency of pure electric vehicle course continuation mileage problem, solved again the oil consumption problem of traditional vehicle. Between plug-in hybrid electric vehicle plurality of advantages and feature, develop angle from air-conditioner control system to consider, for ensureing the refrigeration of plug-in hybrid electric vehicle air-conditioning and heating, simultaneously, ensure that the comfortableness of air-conditioning saves again the energy, it is necessary to develop a specific air conditioning system and be applicable to plug-in hybrid electric vehicle.
Summary of the invention
It is an object of the invention to provide a kind of vehicle air conditioning taking into account air conditioning comfortableness and energy resource consumption and control system.
For realizing object above, the technical solution used in the present invention is: a kind of vehicle air conditioning controls system, heater, air-conditioning heater core body, electronic water pump and the second valve are sequentially connected by pipeline and form the loop closed, draw a pipeline between described heater and the second valve to be connected with the outlet of electromotor systemic circulation cooling circuit after the first valve, draw a branch road between air-conditioning heater core body and electronic water pump to be connected with the water inlet of electromotor systemic circulation cooling circuit, control unit gathers ECT or gathers the opening and closing signal of thermostat in electromotor, carry out processing and export control command after vehicle interior temperature and user's design temperature and control the start and stop of heater and electronic water pump.
Compared with prior art, there is techniques below effect in the present invention: vehicle is under electromotor not open state or electric-only mode transport condition, air conditioning system all can meet the cooling and warming demand of operator, when electromotor is just opened, heating needs can be met, it is ensured that the comfortableness of driver and crew by startup heater.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention, and wherein solid line represents coolant circulating direction, and what dotted line represented is circuit connecting relation.
Detailed description of the invention
Below in conjunction with Fig. 1, the present invention is described in further detail.
Consult Fig. 1, a kind of vehicle air conditioning controls system, heater 22, air-conditioning heater core body 23, electronic water pump 24 and the second valve 25 are sequentially connected by pipeline and form the loop closed, draw a pipeline between described heater 22 and the second valve 25 to be connected with the outlet of electromotor 11 systemic circulation cooling circuit after the first valve 21, draw a branch road between air-conditioning heater core body 23 and electronic water pump 24 to be connected with the water inlet of electromotor 11 systemic circulation cooling circuit, control unit 40 gathers ECT or gathers the opening and closing signal of thermostat in electromotor 11, carry out processing and export control command after vehicle interior temperature and user's design temperature and control the start and stop of heater 22 and electronic water pump 24. by arranging heater 22, air-conditioning heater core body 23, electronic water pump 24 and the second valve 25 so that the heating function of air-conditioning also can normal operation when electromotor 11 is not actuated, simultaneously, first valve 21, heater 22 and air-conditioning heater core body 23 are connected with the systemic circulation cooling circuit of electromotor 11, make the heating function of air-conditioning when electromotor 11 starts and temperature is sufficiently high, it is possible to obtain heat from the coolant of electromotor 11, reduce power consumption. system solves the problem plug-in hybrid electric vehicle the heating and refrigeration problem of air-conditioning under electric-only mode, under hybrid mode, it is ensured that while air conditioning comfortableness, reduced the consumption of the car load energy as far as possible by air conditioner control strategy.
Here first and second valve 21,25 can have a variety of structure. Providing two kinds of embodiments in the present embodiment: embodiment one, first and second described valve 21,25 is two-way admittance valve, and control unit 40 also exports control command and controls the opening and closing of first and second valve 21,25; Embodiment two, first and second described valve 21,25 is check valve, and the input of the first valve 21 is connected with electromotor 11 and outfan is connected with heater 22, and the input of the second valve 25 is connected with electronic water pump 24 and outfan is connected with heater 22. It is certain owing to flowing through the direction of coolant in first and second valve 21,25, therefore check valve can be used here, after using check valve, it is not necessary to first and second valve 21,25 is controlled by control unit 40 so that system is more simple, stable.
Preferably, vehicle includes refrigerating circuit, it is possible to freeze when needs freeze. A/C evaporator core body 31, choke valve 32, compressor 33 and condenser 34 are sequentially connected by pipeline and form the loop closed, and control unit 40 exports control command according to vehicle interior temperature and user's design temperature and controls compressor 33 action. Here refrigeration system electric vehicle generally all can there is setting, be just no longer described in detail here.
Specifically, native system is when work, if control unit 40 collects user's design temperature and is not switched on lower than setting value or thermostat higher than vehicle interior temperature and electromotor 11 coolant temperature, user's design temperature is higher than vehicle interior temperature, illustrate that user wants to heat, now owing to coolant temperature is relatively low, the refrigerating function of air-conditioning heater core body 23 can not be realized by engine coolant, control unit 40 controls electronic water pump 24 and heater 22 starts, by starting electronic water pump 24, coolant is circulated between electronic water pump 24 second valve 25 heater 22 air-conditioning heater core body 23, coolant is heated thus realizing the heat-production functions of air-conditioning heater core body 23 by heater 22.
Specifically, if control unit 40 collects user's design temperature higher than vehicle interior temperature and both differences less than when setting threshold value, illustrating that user wants to heat and heating needs is less, such as the now temperature 22 DEG C in car, user wants to reach 25 DEG C. If this time, electromotor 11 coolant temperature was opened higher than setting value or thermostat, the high temperature that just can utilize electromotor 11 coolant carrys out heat supply, now control unit 40 controls electronic water pump 24 and heater 22 cuts out, the coolant of electromotor 11 sequentially passes through return engine 11 after the first valve 21 heater 22 (closedown) air-conditioning heater core body 23, so, the coolant of high temperature realizes heating by just producing heat after air-conditioning heater core body 23. With above heat mode compared with, what adopt here is that engine coolant heats, it is possible to makes full use of the heat of electromotor 11 coolant, decreases the loss of electric energy.
Specifically, if control unit 40 collects user's design temperature higher than vehicle interior temperature and both differences be more than or equal to when setting threshold value, this illustrates that the demand that user wants to heat and heat is very big, apply in general to vehicle interior temperature very low time. If this time, electromotor 11 coolant temperature was opened higher than setting value or thermostat, control unit 40 controls electronic water pump 24 and closes and control heater 22 and start. This time, the coolant of electromotor 11 sequentially passes through return engine 11 after the first valve 21 heater 22 (startup) air-conditioning heater core body 23, owing to heater 22 is to start, electromotor 11 coolant is heated again after heater 22, heat for user with regard to more heat can be produced when so flowing through air-conditioning heater core body 23, heating effect can be better, is suitable for the occasion that heating needs amount is big.
Specifically, if control unit 40 collects user's design temperature lower than vehicle interior temperature, now illustrate that user wants refrigeration, now have only to control unit 40 control compressor 33 and start, the work process of refrigeration is very ripe in the prior art, here to its structure also without improving further, the function of refrigeration is simply also added in the entire system.
Specifically, including water pump 13 and radiator 12, when the thermostat in electromotor 11 cuts out, coolant is after water pump 13 in return engine 11, when the thermostat in electromotor 11 is opened, coolant sequentially passes through after radiator 12, water pump 13 in return engine 11. Water pump 13 and radiator 12 are all to have on general electromotor 11 cooling recirculation system, and when the coolant temperature of electromotor 11 is relatively low, coolant needs not move through radiator 12 and dispels the heat.
Preferably, described heater 22 is ptc heater, and ptc heater adopts PTC-ceramic heater element and aluminum pipe to make. Such ptc heater volume is little, firing rate and effect all very good.
Claims (10)
1. a vehicle air conditioning controls system, it is characterized in that: heater (22), air-conditioning heater core body (23), electronic water pump (24) and the second valve (25) are sequentially connected by pipeline and form the loop closed, draw a pipeline between described heater (22) and the second valve (25) to be connected with the outlet of electromotor (11) systemic circulation cooling circuit after the first valve (21), draw a branch road between air-conditioning heater core body (23) and electronic water pump (24) to be connected with the water inlet of electromotor (11) systemic circulation cooling circuit, control unit (40) gathers ECT or gathers the opening and closing signal of thermostat in electromotor (11), carry out processing and export control command after vehicle interior temperature and user's design temperature and control the start and stop of heater (22) and electronic water pump (24).
2. vehicle air conditioning as claimed in claim 1 controls system, it is characterized in that: described first and second valve (21,25) is two-way admittance valve, control unit (40) also exports control command and controls the opening and closing of first and second valve (21,25).
3. vehicle air conditioning as claimed in claim 1 controls system, it is characterized in that: described first and second valve (21,25) is check valve, the input of the first valve (21) is connected with electromotor (11) and outfan is connected with heater (22), and the input of the second valve (25) is connected with electronic water pump (24) and outfan is connected with heater (22).
4. the vehicle air conditioning as described in claim 1,2 or 3 controls system, it is characterized in that: A/C evaporator core body (31), choke valve (32), compressor (33) and condenser (34) are sequentially connected by pipeline and form the loop closed, control unit (40) exports control command according to vehicle interior temperature and user's design temperature and controls compressor (33) action.
5. vehicle air conditioning as claimed in claim 3 controls system, it is characterized in that: if control unit (40) collects user's design temperature and is not switched on lower than setting value or thermostat higher than vehicle interior temperature and electromotor (11) coolant temperature, control unit (40) controls electronic water pump (24) and heater (22) starts.
6. vehicle air conditioning as claimed in claim 3 controls system, it is characterized in that: if control unit (40) collects user's design temperature and is higher than vehicle interior temperature and both differences less than when setting threshold value, and electromotor (11) coolant temperature is higher than setting value or thermostat is opened, control unit (40) controls electronic water pump (24) and heater (22) cuts out.
7. vehicle air conditioning as claimed in claim 3 controls system, it is characterized in that: if control unit (40) collects user's design temperature and is higher than vehicle interior temperature and both differences be more than or equal to when setting threshold value, and electromotor (11) coolant temperature is higher than setting value or thermostat is opened, control unit (40) controls electronic water pump (24) and closes and control heater (22) startup.
8. vehicle air conditioning as claimed in claim 4 controls system, it is characterised in that: if control unit (40) collects user's design temperature lower than vehicle interior temperature, control unit (40) controls compressor (33) and starts.
9. the vehicle air conditioning as described in claim 1,2 or 3 controls system, it is characterized in that: include water pump (13) and radiator (12), when the thermostat in electromotor (11) cuts out, coolant is after water pump (13) in return engine (11), when the thermostat in electromotor (11) is opened, coolant sequentially passes through in radiator (12), water pump (13) return engine afterwards (11).
10. claim 1,2 or 3 or as described in vehicle air conditioning control system, it is characterised in that: described heater (22) is ptc heater, and ptc heater adopts PTC-ceramic heater element and aluminum pipe to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610184962.6A CN105667252A (en) | 2016-03-24 | 2016-03-24 | Control system for vehicle air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610184962.6A CN105667252A (en) | 2016-03-24 | 2016-03-24 | Control system for vehicle air conditioner |
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| Publication Number | Publication Date |
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| CN105667252A true CN105667252A (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610184962.6A Pending CN105667252A (en) | 2016-03-24 | 2016-03-24 | Control system for vehicle air conditioner |
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| CN (1) | CN105667252A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106183717A (en) * | 2016-08-15 | 2016-12-07 | 北京长安汽车工程技术研究有限责任公司 | The heating means of a kind of air conditioning for automobiles and device |
| CN106739949A (en) * | 2016-12-27 | 2017-05-31 | 广州汽车集团股份有限公司 | Air-conditioning heating control system, controller, method and apparatus |
| CN108725139A (en) * | 2017-04-18 | 2018-11-02 | 通用汽车环球科技运作有限责任公司 | Control is by the coolant flow of vehicle heater core to increase the system and method for engine automatic stop period |
| CN108819664A (en) * | 2018-08-08 | 2018-11-16 | 重庆超力高科技股份有限公司 | Automobile air-conditioner control method, apparatus and system |
| CN110053450A (en) * | 2019-05-08 | 2019-07-26 | 泰铂（上海）环保科技股份有限公司 | A kind of new engine circulating water heating air-conditioning system and its control method |
| CN110953107A (en) * | 2019-12-03 | 2020-04-03 | 中国人民解放军陆军装甲兵学院士官学校 | Vehicle engine preheating device and preheating control method |
| CN112158051A (en) * | 2020-09-15 | 2021-01-01 | 江苏徐工工程机械研究院有限公司 | Cab environment regulation and control system and regulation and control method |
| CN112319183A (en) * | 2020-11-12 | 2021-02-05 | 安徽江淮汽车集团股份有限公司 | PTC (positive temperature coefficient) circulating heating module, control method and device and storage medium |
| CN113002269A (en) * | 2021-04-13 | 2021-06-22 | 奇瑞商用车（安徽）有限公司 | Whole vehicle thermal management system of hybrid electric vehicle and control method thereof |
| CN114919376A (en) * | 2022-06-27 | 2022-08-19 | 安徽江淮松芝空调有限公司 | Battery heat management device of hybrid vehicle type |
| CN117227402A (en) * | 2023-11-10 | 2023-12-15 | 临工重机股份有限公司 | Vehicle thermal management integrated system and thermal management method |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106183717B (en) * | 2016-08-15 | 2019-06-28 | 北京长安汽车工程技术研究有限责任公司 | A kind of heating means and device of air conditioning for automobiles |
| CN106183717A (en) * | 2016-08-15 | 2016-12-07 | 北京长安汽车工程技术研究有限责任公司 | The heating means of a kind of air conditioning for automobiles and device |
| CN106739949A (en) * | 2016-12-27 | 2017-05-31 | 广州汽车集团股份有限公司 | Air-conditioning heating control system, controller, method and apparatus |
| CN106739949B (en) * | 2016-12-27 | 2023-05-16 | 广州汽车集团股份有限公司 | Air conditioner heating control system, controller, method and device |
| CN108725139A (en) * | 2017-04-18 | 2018-11-02 | 通用汽车环球科技运作有限责任公司 | Control is by the coolant flow of vehicle heater core to increase the system and method for engine automatic stop period |
| CN108725139B (en) * | 2017-04-18 | 2021-07-16 | 通用汽车环球科技运作有限责任公司 | System for increasing period of automatic stop of engine |
| CN108819664B (en) * | 2018-08-08 | 2022-04-22 | 重庆超力电器有限责任公司 | Automobile air conditioner control method, device and system |
| CN108819664A (en) * | 2018-08-08 | 2018-11-16 | 重庆超力高科技股份有限公司 | Automobile air-conditioner control method, apparatus and system |
| CN110053450A (en) * | 2019-05-08 | 2019-07-26 | 泰铂（上海）环保科技股份有限公司 | A kind of new engine circulating water heating air-conditioning system and its control method |
| CN110953107A (en) * | 2019-12-03 | 2020-04-03 | 中国人民解放军陆军装甲兵学院士官学校 | Vehicle engine preheating device and preheating control method |
| CN112158051A (en) * | 2020-09-15 | 2021-01-01 | 江苏徐工工程机械研究院有限公司 | Cab environment regulation and control system and regulation and control method |
| CN112319183A (en) * | 2020-11-12 | 2021-02-05 | 安徽江淮汽车集团股份有限公司 | PTC (positive temperature coefficient) circulating heating module, control method and device and storage medium |
| CN113002269B (en) * | 2021-04-13 | 2022-06-07 | 奇瑞商用车（安徽）有限公司 | Whole vehicle thermal management system of hybrid electric vehicle and control method thereof |
| CN113002269A (en) * | 2021-04-13 | 2021-06-22 | 奇瑞商用车（安徽）有限公司 | Whole vehicle thermal management system of hybrid electric vehicle and control method thereof |
| CN114919376A (en) * | 2022-06-27 | 2022-08-19 | 安徽江淮松芝空调有限公司 | Battery heat management device of hybrid vehicle type |
| CN117227402A (en) * | 2023-11-10 | 2023-12-15 | 临工重机股份有限公司 | Vehicle thermal management integrated system and thermal management method |
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