CN1896630A - Air-conditioner system and controlling method for electric vehicle - Google Patents
Air-conditioner system and controlling method for electric vehicle Download PDFInfo
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- CN1896630A CN1896630A CN 200510021304 CN200510021304A CN1896630A CN 1896630 A CN1896630 A CN 1896630A CN 200510021304 CN200510021304 CN 200510021304 CN 200510021304 A CN200510021304 A CN 200510021304A CN 1896630 A CN1896630 A CN 1896630A
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Abstract
This invention discloses a kind of motor vehicle air conditioner system. It includes power-supplying device, electric engine, refrigerating compressor, condenser, electronic expanding valve, evaporator, controller and temperature sensor. The said power-supplying device supplies power to electric engine, which drives the refrigerating compressor working. The said refrigerating compressor, condenser, electronic expanding valve and evaporator connect in turn to form refrigerating loop. The said controller positions between power supplying device and electric engine. The power-supplying device supplies power to electric engine through controller. The temperature sensor senses the temperature in the car and sends signal to the controller, which controls the rotating rate of electric engine. This invention can decrease energy consumption.
Description
[technical field]
The present invention relates to a kind of automotive air-conditioning system and control method, particularly a kind of air conditioning system for electric car and control method.
[background technology]
Nowadays, on the common automobile aircondition is housed all.Chinese patent application has disclosed a kind of electromobile air-conditioning No. 03140422.7, comprise car body and be installed in automobile engine, cooling water tank, engine belt pulley, driving belt on the car body and generator, batteries, motor, the compressor of air conditioner that connects by this belt respectively, automobile air conditioner compressor be can't help automobile engine drive work, but directly drives compressor of air conditioner operation work by the definite-purpose motor that is connected on the batteries.Though above-mentioned technology has changed traditional usefulness engine driving automobile compressor of air conditioner, and the definite-purpose motor on the employing batteries directly drives compressor of air conditioner work, if but can not control the work of motor well and use suitable restricting element, still can not reduce the power consumption of air-conditioning effectively, particularly for electric motor car, can not cut down the consumption of energy to influence continual mileage.
[summary of the invention]
The purpose of this invention is to provide a kind of air conditioning system for electric car.
Another object of the present invention is to provide a kind of control method of air conditioning system for electric car.
In order to solve the problems of the technologies described above, the technical solution used in the present invention comprises a kind of air conditioning system for electric car, comprise power supply device, motor, refrigeration compressor, condenser, electric expansion valve, evaporimeter, controller and temperature sensor, described power supply device provides power supply to motor, the work of driven by motor refrigeration compressor, described refrigeration compressor, condenser, electric expansion valve and evaporimeter are in turn connected to form refrigerating circuit, described controller is located between power supply device and the motor, the power supply of power supply device output offers motor by controller, the temperature sensor senses vehicle interior temperature also sends a signal to controller, controller control rotating speed of motor.
Adopt technique scheme, in conjunction with the following embodiment that will describe in detail, beneficial technical effects of the present invention is: it is compressor rotary speed that air conditioning system for electric car of the present invention adopts controller to control motor speed by temperature sensor, and the aperture of control electric expansion valve, make the coupling of whole refrigeration system more reasonable, reduce energy consumption, thereby guaranteed the continual mileage of electric motor car to greatest extent.
The technical solution used in the present invention also comprises a kind of control method of air conditioning system for electric car, may further comprise the steps: the induction vehicle interior temperature, and the temperature signal that transmission is sensed is to controller; Receive temperature signal, described controller control rotating speed of motor.
Adopt technique scheme, in conjunction with the following embodiment that will describe in detail, beneficial technical effects of the present invention is: it is compressor rotary speed that the control method of air conditioning system for electric car of the present invention adopts controller to control motor speed by temperature sensor, and the aperture of control electric expansion valve, make the coupling of whole refrigeration system more reasonable, reduce energy consumption, thereby guaranteed the continual mileage of electric motor car to greatest extent.
The present invention also comprises following improvement:
Store design temperature in the described controller, temperature signal that controller relatively receives and design temperature are to obtain a difference, and described controller can make motor rotate as required, thereby cut down the consumption of energy according to described difference control rotating speed of motor.
Described controller reduces the energy consumption of air-conditioning according to the valve opening of described difference control electric expansion valve, has guaranteed the continual mileage of electric motor car.
Described power supply device is the on-vehicle battery module, to realize the motorized of automobile, reduces the pollution to environment simultaneously.
The control method of described air conditioning system for electric car is further comprising the steps of: receive the temperature signal that temperature sensor transmits, compare with the design temperature that is stored in controller inside and to obtain difference, controller is regulated rotating speed of motor according to difference, makes air-conditioning system reach optimum Match, saves energy consumption.
The control method of described air conditioning system for electric car is further comprising the steps of: the aperture that described controller is regulated the valve of electric expansion valve according to described difference, and make air-conditioning system reach optimum Match, save energy consumption.
[description of drawings]
Fig. 1 is the module map of air conditioning system for electric car of the present invention.
Fig. 2 is the flow chart of the control method of air conditioning system for electric car of the present invention.
[specific embodiment]
Be illustrated in figure 1 as the module map of air conditioning system for electric car of the present invention.Air conditioning system for electric car of the present invention comprises: power supply device 1, controller 2, motor 3, refrigeration compressor 4, condenser 5, electric expansion valve 6, evaporimeter 7 and temperature sensor 8.
The power supply device 1 of air conditioning system for electric car is the battery module of vehicle-mounted 300V, and power supply device 1 also can be other the device of supply electric power.Battery module 1 is connected with controller 2, and battery module 1 comes to provide power supply to motor 3 by controller 2.Temperature sensor 8 is arranged on electric motor car inside, in order to the temperature of induction in the car, and sends temperature signal to controller 2, and controller 2 is controlled the rotating speed of motor 3 according to temperature signal.Motor 3 adopts associated mode with refrigeration compressor 4, drives refrigeration compressor 4 work by motor 3.Refrigeration compressor 4 links to each other successively with condenser 5, electric expansion valve 6 and evaporimeter 7, forms refrigerating circuit.
The controller 2 of air conditioning system for electric car of the present invention is controlled the rotating speed of motor 3 by the temperature signal of temperature sensor 8 inductions, thereby motor 3 can be moved according to the vehicle interior temperature variable speed, high-speed cruising when the air conditioning for automobiles refrigeration duty is high, low cruise when the air conditioning for automobiles refrigeration duty is low has been saved air-conditioning system refrigeration energy needed effectively.
Air conditioning system for electric car of the present invention adopts electric expansion valve 6, and electric expansion valve 6 is controlled by controller 2, and controller 2 sends the valve opening that signal is regulated electric expansion valve 6, and then refrigerant flow is carried out linear control.Temperature sensor 8 passes to controller 2 to the vehicle interior temperature signal, stores design temperature in the controller 2, and this design temperature can change, so that adapt to different local needs.Temperature signal and design temperature that controller 2 relatively receives obtain a difference, controller 2 is regulated the valve opening of electric expansion valve 6 according to difference, when positive difference is big more, it is big that the valve opening of electric expansion valve 6 becomes, along with difference diminishes, the valve opening of electric expansion valve 6 reduces, and when being negative difference, air-conditioning system is not moved.The signal feedback that the mode of the valve opening of above-mentioned control electric expansion valve 6 has overcome traditional heating power expansion valve has than large time delay, control accuracy is low and adjustable range is little defective, make the coupling of whole air-conditioning system more reasonable, performance is better, thereby reaches purpose of energy saving.
The motor 3 of air conditioning system for electric car of the present invention adopts associated mode with being connected of refrigeration compressor 4, this associated mode is that spline connects, and connect unlike traditional employing belt pulley, adopt after the connection of associated mode, transmission efficiency improves, thereby reduced battery consumption, also reduced in car taking up space simultaneously, and reduced noise.
Be the flow chart of the control method of air conditioning system for electric car of the present invention as shown in Figure 2, it may further comprise the steps:
Step 210: the temperature in the temperature sensor 8 induction cars, and the temperature signal that transmission is sensed is to controller 2;
Step 220: receive this temperature signal, compare and obtain a difference, when the temperature signal that receives is higher than design temperature, obtain positive difference, when the temperature signal that receives is lower than design temperature, obtain negative difference with being set in design temperature in the controller 2;
Step 230: according to the rotating speed of this difference control motor 3, when positive difference was big more, controller 2 made the faster rotational speed of motor 3, and along with difference reduces, controller 2 makes the rotating speed of motor 3 slack-off, and during negative difference, air-conditioning system is not moved;
Step 240: according to the aperture that this difference is regulated electric expansion valve, when positive difference was big more, it is big that the valve opening of electric expansion valve 6 becomes, and along with difference diminishes, the valve opening of electric expansion valve 6 reduces, and when being negative difference, air-conditioning system is not moved.
Claims (7)
1, a kind of air conditioning system for electric car, comprise power supply device (1), motor (3), refrigeration compressor (4), condenser (5), electric expansion valve (6) and evaporimeter (7), described power supply device (1) provides power supply for motor (3), motor (3) drives refrigeration compressor (4) work, described refrigeration compressor (4), condenser (5), electric expansion valve (6) and evaporimeter (7) are in turn connected to form refrigerating circuit, it is characterized in that: also comprise controller (2) and temperature sensor (8), described controller (2) is located between power supply device (1) and the motor (3), the power supply of power supply device (1) output offers motor (3) by controller (2), temperature sensor (8) induction vehicle interior temperature also sends a signal to controller (2), the rotating speed of controller (2) control motor (3).
2, air conditioning system for electric car according to claim 1, it is characterized in that: described controller stores design temperature in (2), temperature signal that controller (2) relatively receives and design temperature are to obtain a difference, and described controller (2) is according to the rotating speed of described difference control motor (3).
3, according to the described air conditioning system for electric car of claim 2, it is characterized in that: described controller (2) is according to the valve opening of described difference control electric expansion valve (6).
4, according to any described air conditioning system for electric car of claim 1 to 3, it is characterized in that: described power supply device (1) is on-vehicle battery module (9).
5, a kind of control method of air conditioning system for electric car may further comprise the steps: the induction vehicle interior temperature, and the temperature signal that transmission is sensed is to controller (2); Receive temperature signal, the rotating speed of described controller (2) control motor (3).
6, the control method of air conditioning system for electric car according to claim 5, it is characterized in that: further comprising the steps of: receive the temperature signal that temperature sensor (8) transmits, the design temperature inner with being stored in controller (2) compared and obtained a difference, and controller (2) is regulated the rotating speed of motor (3) according to described difference.
7, the control method of air conditioning system for electric car according to claim 6 is characterized in that: further comprising the steps of: controller (2) is regulated the aperture of the valve of electric expansion valve (6) according to described difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510021304 CN1896630A (en) | 2005-07-15 | 2005-07-15 | Air-conditioner system and controlling method for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510021304 CN1896630A (en) | 2005-07-15 | 2005-07-15 | Air-conditioner system and controlling method for electric vehicle |
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| Publication Number | Publication Date |
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| CN1896630A true CN1896630A (en) | 2007-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200510021304 Pending CN1896630A (en) | 2005-07-15 | 2005-07-15 | Air-conditioner system and controlling method for electric vehicle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852476A (en) * | 2010-04-30 | 2010-10-06 | 奇瑞汽车股份有限公司 | Pure electric automobile air conditioning control system and control method thereof |
| CN101890892A (en) * | 2010-07-23 | 2010-11-24 | 奇瑞汽车股份有限公司 | Pure electric vehicle air conditioning system using fuel heater and temperature adjustment method |
| CN101913314A (en) * | 2010-07-30 | 2010-12-15 | 奇瑞汽车股份有限公司 | Electric automobile air-conditioning system and control method thereof |
| CN103033008A (en) * | 2011-09-29 | 2013-04-10 | 杭州三花研究院有限公司 | Car air conditioning system electronic expansion valve control method |
| CN104949364A (en) * | 2015-06-19 | 2015-09-30 | 郑州轻工业学院 | Machine room air conditioner |
| CN105946511A (en) * | 2016-06-08 | 2016-09-21 | 苏州瑞驱电动科技有限公司 | Cooling system for motor and driver of electric car |
| CN106828033A (en) * | 2017-02-07 | 2017-06-13 | 马晨骥 | A kind of Air Conditioning System and its method of supplying power to and application |
| CN110456838A (en) * | 2019-07-30 | 2019-11-15 | 上海思致汽车工程技术有限公司 | A kind of car overtemperture control system and method |
-
2005
- 2005-07-15 CN CN 200510021304 patent/CN1896630A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101852476A (en) * | 2010-04-30 | 2010-10-06 | 奇瑞汽车股份有限公司 | Pure electric automobile air conditioning control system and control method thereof |
| CN101852476B (en) * | 2010-04-30 | 2012-11-14 | 奇瑞汽车股份有限公司 | Pure electric automobile air conditioning control system and control method thereof |
| CN101890892A (en) * | 2010-07-23 | 2010-11-24 | 奇瑞汽车股份有限公司 | Pure electric vehicle air conditioning system using fuel heater and temperature adjustment method |
| CN101890892B (en) * | 2010-07-23 | 2012-03-28 | 奇瑞汽车股份有限公司 | Pure electric vehicle air conditioning system using fuel heater and temperature adjustment method |
| CN101913314A (en) * | 2010-07-30 | 2010-12-15 | 奇瑞汽车股份有限公司 | Electric automobile air-conditioning system and control method thereof |
| CN103033008A (en) * | 2011-09-29 | 2013-04-10 | 杭州三花研究院有限公司 | Car air conditioning system electronic expansion valve control method |
| CN103033008B (en) * | 2011-09-29 | 2016-04-20 | 杭州三花研究院有限公司 | A kind of control method of automotive air-conditioning system electric expansion valve |
| CN104949364A (en) * | 2015-06-19 | 2015-09-30 | 郑州轻工业学院 | Machine room air conditioner |
| CN105946511A (en) * | 2016-06-08 | 2016-09-21 | 苏州瑞驱电动科技有限公司 | Cooling system for motor and driver of electric car |
| CN106828033A (en) * | 2017-02-07 | 2017-06-13 | 马晨骥 | A kind of Air Conditioning System and its method of supplying power to and application |
| CN110456838A (en) * | 2019-07-30 | 2019-11-15 | 上海思致汽车工程技术有限公司 | A kind of car overtemperture control system and method |
| CN110456838B (en) * | 2019-07-30 | 2024-05-10 | 上海思致汽车工程技术有限公司 | In-vehicle overtemperature control system and method |
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