CN102235730A - Automatic speed regulation controller of air conditioning motor-driven compressor - Google Patents
Automatic speed regulation controller of air conditioning motor-driven compressor Download PDFInfo
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- CN102235730A CN102235730A CN2010101603614A CN201010160361A CN102235730A CN 102235730 A CN102235730 A CN 102235730A CN 2010101603614 A CN2010101603614 A CN 2010101603614A CN 201010160361 A CN201010160361 A CN 201010160361A CN 102235730 A CN102235730 A CN 102235730A
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- automobile
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Abstract
The invention relates to an automatic speed regulation controller of an air conditioning motor-driven compressor for an automobile. For a hybrid and motor-driven automobile manual air conditioning system, by utilizing the controller provided by the invention, under the condition of utilizing an environment temperature sensor outside the automobile and an air temperature sensor at the surface of an evaporator chip, the rotation speed calculation of the compressor is carried out according to working condition requirements to realize the automatic control of air temperature of the surface of the evaporator chip, and the automatic control of outlet air temperature is realized indirectly. Because the motor-driven compressor operates always at a reasonable rotation speed according to requirements, the effects of high efficiency, less electricity consumption, long service life, low failure rate and little noise are achieved. According to the invention, the circuit of the air conditioning system is improved simply, and the overall cost is low.
Description
Affiliated technical field:
The present invention relates to a kind of air conditioner for automobile motor compressor automatic speed regulation controller, it is applied in hybrid power and the electric automobile air-conditioning system.
Background technology:
At present, hybrid power and electric automobile air-conditioning system need use motor compressor, substitute the original conventional compressor that uses belt drives.Conventional compressor is directly driven by automobile engine, and its rotating speed is limited by engine speed, and the difficulty of adjusting compressor displacement like this is very big.Motor compressor comparatively speaking, governor control characteristics is good, speed control is convenient, only needs signal of telecommunication adjustment, rotating speed can change immediately.
Motor compressor generally adopts no sensor dc brushless motor, starts difficulty relatively, and efficient is low when starting, and noise is big, so should avoid frequent start-stop as far as possible.Present hybrid power and electric automobile often carry out dynamical system with existing vehicle as the basis to be upgraded, and air-conditioning system is not done big adjustment.For the manual air-conditioning system on the former vehicle; the signal of its control compressor is a high-low level; can't realize the control of rotating speed; can only rely on the air themperature protection of expansion core surface; stop and maximum speed between frequently switch, efficient is low like this, the life-span lacks; the fault rate height, noise changes greatly.
For example small-sized passenger car (A0/A level car), present main flow motor compressor motor output shaft power is at 1.5KW.Consider the efficient gas transmission coefficient of vortex type compressor, its COP value under common applying working condition all is higher than 2, and promptly refrigerating capacity is greater than 3KW.From the actual conditions that small-sized passenger car (A0/A level car) uses, the thermic load maximum is about 3KW under its worst hot case; Consider flow loss and dehumidifying demand, its thermic load is minimum about 500W.Comprehensive above 2 points are derived by linear relationship, and actual compressor electric motor rotational speed regulation amplitude should be 20% to 100%.If can do smooth adjustment in this scope, not wasting of the power consumption that can realize freezing increases the continuation of the journey mileage of vehicle.
Automotive air-conditioning system, its refrigerating capacity require also different under different operating modes, and manually air-conditioner controller can't be realized refrigerating capacity control, need kind of the compressor rotary speed adjustment control of energy nonstick system of control cold, and simple installation, with low cost.
Summary of the invention:
The initial conditions that air-conditioning motor compressor discharge capacity on the complete meaning is regulated is car external environment temperature, expansion core surface air themperature, vehicle interior temperature, the setting of user's temperature and solar radiation intensity, and controller determines that according to above initial conditions the target discharge capacity of compressor is a rotating speed of target.
In order to satisfy the air-conditioning system deployment cost requirement of A0/A level car, the present invention adjusts and reduce initial conditions, and the most critical factor of only getting is wherein controlled.
The most key factor is car external environment temperature and expansion core surface air themperature in the initial conditions, and the motor compressor rotating speed of target when adopting this two initial conditions can finish satisfied reasonable the coldest expansion core surface air themperature is substantially set.
Motor compressor automatic speed regulation control device is accepted the switching signal of air-conditioner controller, accepts above two sensor signals simultaneously, according to the demand of operating mode, carries out the compressor rotary speed computing, reaches the expansion core surface air themperature purpose of control automatically.
The technical solution adopted for the present invention to solve the technical problems is as follows:
Motor compressor automatic speed regulation controller is accepted the signal that air-conditioner controller starts compressor, gathers car external environment temperature sensor signal, according to this environmental working condition load, calculates the target evaporating temperature.Gather expansion core surface air temperature sensor signal simultaneously, as the evaporating temperature feedback signal.PID according to automatic control regulates rule, speed by motor compressor is adjusted the interface, it may be pwm signal, also may be serial communication signals or bus signals such as CAN, LIN, the rotating speed of control motor compressor, final actual evaporator core surface air themperature is equated with target evaporator core surface air themperature, reach the expansion core surface air themperature purpose of control automatically.Simultaneously, also possess the frosting of the device of avoiding evaporating core surface, damage the function of compressor.
The invention has the beneficial effects as follows:
Hybrid power or electric automobile air-conditioning system utilize the present invention under the situation that only is equipped with manual air-conditioning system, can realize the automatic control to evaporating temperature by the automatic control to motor compressor, indirect realization to the automatic control of leaving air temp.Because motor compressor is in all the time by the reasonable rotation speed operation state of demand, its efficient height, electric quantity consumption are little, long service life, fault rate is low and noise is little.The present invention improves simple, whole with low cost to the circuit of air-conditioning system.
Description of drawings:
Be described further to the present invention below in conjunction with accompanying drawing and example
Figure (1) is general vehicle manual air-conditioning operating mechanism motor compressor control wiring diagram
Figure (2) controls wiring diagram for motor compressor after adopting the present invention
The specific embodiment of the present invention is:
Motor compressor automatic speed regulation control device is accepted the signal that air-conditioner control system starts compressor, send motor compressor to, gather car external environment temperature sensor signal simultaneously, expansion core surface air temperature sensor signal, speed by motor compressor is adjusted the interface, it may be pwm signal, also may be serial communication signals or CAN, bus signals such as LIN, the rotating speed of control motor compressor, final actual evaporator core surface air themperature is equated with target evaporator core surface air themperature, reach the control expansion core surface air themperature purpose of control automatically.
Claims (1)
1. the low-cost easy controller of air conditioner for automobile motor compressor automatic speed regulation is characterized in that: only gather car external environment temperature and evaporating temperature sensor signal; After the compressor operating instruction of accepting air-conditioner control system, according to the demand of operating mode, regulate the motor compressor rotating speed automatically, actual evaporating temperature and target evaporating temperature are consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101603614A CN102235730A (en) | 2010-04-30 | 2010-04-30 | Automatic speed regulation controller of air conditioning motor-driven compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101603614A CN102235730A (en) | 2010-04-30 | 2010-04-30 | Automatic speed regulation controller of air conditioning motor-driven compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102235730A true CN102235730A (en) | 2011-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101603614A Pending CN102235730A (en) | 2010-04-30 | 2010-04-30 | Automatic speed regulation controller of air conditioning motor-driven compressor |
Country Status (1)
| Country | Link |
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| CN (1) | CN102235730A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006483A (en) * | 2013-02-21 | 2014-08-27 | 广东美的制冷设备有限公司 | Method for controlling air conditioner |
| CN106864203A (en) * | 2017-03-07 | 2017-06-20 | 安徽江淮汽车集团股份有限公司 | A kind of control method for frequency conversion air conditioner and system |
| CN108482063A (en) * | 2018-04-02 | 2018-09-04 | 奇瑞汽车股份有限公司 | A kind of control method and device of motor compressor for vehicle air conditioner rotating speed |
| CN110486262A (en) * | 2019-08-23 | 2019-11-22 | 常州康普瑞汽车空调有限公司 | Compressor temperature controller, control system and method and automobile air conditioner compressor |
| CN110685893A (en) * | 2019-11-05 | 2020-01-14 | 上海热翼智能科技有限公司 | Method for controlling rotating speed of electric compressor of automobile air conditioner |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5647312A (en) * | 1979-09-20 | 1981-04-30 | Nippon Denso Co Ltd | Air conditioning system for motorcar |
| JPH11190546A (en) * | 1997-07-04 | 1999-07-13 | Daimler Benz Ag | Control method of evaporator temperature of air conditioner in accordance with external dew point |
| CN1524720A (en) * | 2003-02-28 | 2004-09-01 | 株式会社电装 | Compressor control system for vehicle air conditioner |
| CN1636777A (en) * | 2003-10-10 | 2005-07-13 | 株式会社电装 | Air-conditioner for vehicles |
| CN1657850A (en) * | 2004-02-16 | 2005-08-24 | 三洋电机株式会社 | Vehicle air conditioning system |
-
2010
- 2010-04-30 CN CN2010101603614A patent/CN102235730A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5647312A (en) * | 1979-09-20 | 1981-04-30 | Nippon Denso Co Ltd | Air conditioning system for motorcar |
| JPH11190546A (en) * | 1997-07-04 | 1999-07-13 | Daimler Benz Ag | Control method of evaporator temperature of air conditioner in accordance with external dew point |
| CN1524720A (en) * | 2003-02-28 | 2004-09-01 | 株式会社电装 | Compressor control system for vehicle air conditioner |
| CN1636777A (en) * | 2003-10-10 | 2005-07-13 | 株式会社电装 | Air-conditioner for vehicles |
| CN1657850A (en) * | 2004-02-16 | 2005-08-24 | 三洋电机株式会社 | Vehicle air conditioning system |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006483A (en) * | 2013-02-21 | 2014-08-27 | 广东美的制冷设备有限公司 | Method for controlling air conditioner |
| CN104006483B (en) * | 2013-02-21 | 2017-09-22 | 广东美的制冷设备有限公司 | The control method of air conditioner |
| CN106864203A (en) * | 2017-03-07 | 2017-06-20 | 安徽江淮汽车集团股份有限公司 | A kind of control method for frequency conversion air conditioner and system |
| CN106864203B (en) * | 2017-03-07 | 2019-08-06 | 安徽江淮汽车集团股份有限公司 | A kind of control method for frequency conversion air conditioner and system |
| CN108482063A (en) * | 2018-04-02 | 2018-09-04 | 奇瑞汽车股份有限公司 | A kind of control method and device of motor compressor for vehicle air conditioner rotating speed |
| CN110486262A (en) * | 2019-08-23 | 2019-11-22 | 常州康普瑞汽车空调有限公司 | Compressor temperature controller, control system and method and automobile air conditioner compressor |
| CN110685893A (en) * | 2019-11-05 | 2020-01-14 | 上海热翼智能科技有限公司 | Method for controlling rotating speed of electric compressor of automobile air conditioner |
| CN110685893B (en) * | 2019-11-05 | 2021-01-26 | 上海热翼智能科技有限公司 | Method for controlling rotating speed of electric compressor of automobile air conditioner |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111109 |