CN202013000U - Controller for automobile air conditioner - Google Patents
Controller for automobile air conditioner Download PDFInfo
- Publication number
- CN202013000U CN202013000U CN2010206505083U CN201020650508U CN202013000U CN 202013000 U CN202013000 U CN 202013000U CN 2010206505083 U CN2010206505083 U CN 2010206505083U CN 201020650508 U CN201020650508 U CN 201020650508U CN 202013000 U CN202013000 U CN 202013000U
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- temperature
- control module
- motor compressor
- evaporimeter
- air
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Abstract
The utility model relates to a controller for controlling an automobile air conditioner with multiple evaporators. The multiple evaporators comprise at least a first evaporator for adjusting the temperature in an automobile body and at least a second evaporator for managing heat of other automobile functional components. The controller comprises a motor compressor control module which controls the rotating speed of a motor compressor according to the target temperature of the multiple evaporators. The controller of the utility model is equipped with the special motor compressor control module, and can effectively control compressors with multiple evaporators. The controller of the utility model has the advantages of precise control, rapid response and multi-target balance, and lays a good foundation for development of automobile air-conditioning controllers with automobile heat management functions.
Description
Technical field
The utility model relates to automotive air-conditioning controller, the air-conditioner controller of particularly a kind of electric automobile or hybrid vehicle.
Background technology
Along with the raising of developing of automobile industry and living standard, people are more and more higher to the requirement of the comfortableness of automobile, reliability, security.Meanwhile, energy problem and environmental problem are reminding the modern humans to want energy-saving and emission-reduction frequently.Therefore young mobile should satisfy the more and more higher requirement of people, can not increase energy consumption again, even also will reduce energy consumption.For this reason in recent ten years, each state of the whole world substitutes the fuel oil that reduces day by day all at the development new automobile that spends huge sums with the new energy, wherein mainly comprises solar telephone, hybrid vehicle, electric automobile etc.Wherein, electric automobile and hybrid vehicle become the direction of following development of automobile gradually.
Compare with the air-conditioner controller of orthodox car, there are the comparatively characteristics such as harshness, energy-conservation requirement height of complexity, condition that control environment in the air-conditioner controller design of electric motor car/PHEV, and has brought certain challenge for the design of full automatic car air-conditioner controller.In addition, the requirement of opposite heat tube reason is also more and more higher on the new automobile.For example, in electric automobile/hybrid vehicle, battery is the main source of its power, and the continuous increase of automobile batteries capacity is also given but then and brought more huge caloric value on the one hand for the electric power of PHEV and electric motor car provides assurance.And the life-span of battery can reduce along with the rising of temperature, and the discharging efficiency of battery also can reduce, and directly influences the use of automobile.If increase the heat management module of battery in automotive air-conditioning controller, the compressor control problem of multi-evaporator will appear.Existing automotive air-conditioning controller all can not solve the compressor control problem of multi-evaporator to a certain extent well.
The utility model content
The purpose of this utility model provides a kind of automotive air-conditioning controller that can control the compressor of band multi-evaporator well.
The technical solution of the utility model is: a kind of automotive air-conditioning controller is used for the air conditioning for automobiles with a plurality of evaporimeters is controlled.Described a plurality of evaporimeter comprises that at least one first evaporimeter that is used to regulate temperature in the compartment and at least one are used for second evaporimeter of other functional part heat management of automobile.Described automotive air-conditioning controller comprises the motor compressor control module according to the rotating speed of the target temperature control motor compressor of described a plurality of evaporimeters.
In a preferred embodiment, described motor compressor control module comprises: calculate according to the air outlet thermometer of actual temperature, outer atmospheric temperature, air outlet position and the setting of described first evaporimeter described first evaporimeter first target temperature the evaporator temperature control module and calculate the compressor speed control module of the rotating speed of target of described motor compressor according to the current rotating speed of the temperature of other parts heat management target of described automobile of described first target temperature, setting and described motor compressor.
In a preferred embodiment, described motor compressor control module also comprises and is used to limit the described compressor rotary speed upper limit and instructs to described motor compressor output speed according to this rotating speed upper limit and described rotating speed of target, and according to described rotating speed of target and actual output speed to the compressor speed limiting unit of the heating power expansion valve output switch order corresponding with the work of controlling described first evaporimeter with described first evaporimeter.
In a preferred embodiment, described automotive air-conditioning controller also comprises: the blower fan control module of controlling the blower fan wind speed of air conditioning for automobiles according to the air outlet temperature of outer atmospheric temperature and described setting, determine the leaving air temp control module of the air outlet temperature of described setting according to Current Temperatures in design temperature and the car cabin, position according to outer atmospheric temperature and the definite inside and outside circulation motor of described design temperature, and the inside and outside loop control module of circulation in when reversing automobile, switching, and the difference of outer atmospheric temperature and design temperature during greater than preset value or car engine close work auxiliary heating control module of back in the car cabin, to heat.
Automotive air-conditioning controller of the present utility model has disposed special motor compressor control module, can effectively control the compressor of band multi-evaporator, have and control precisely, respond advantage fast, the multiple target balance, the exploitation of controlling air-conditioner for the automobile that finally has the tide of motorism management function provides good basis.
Description of drawings
Fig. 1 is the structured flowchart of air conditioning for automobiles among the embodiment.
Fig. 2 is the structured flowchart of the automotive air-conditioning controller of an embodiment, and this automotive air-conditioning controller comprises the motor compressor control module.
Fig. 3 is the structured flowchart of the motor compressor control module of Fig. 2.
The specific embodiment
Describe in further detail below in conjunction with specific embodiment and accompanying drawing structural principle the utility model automotive air-conditioning controller.
Automotive air-conditioning controller of the present invention can be controlled the air conditioning for automobiles 100 (Fig. 1) that has many evaporimeters well, and many evaporimeters that make air conditioning for automobiles 100 are by work is set.When satisfying being provided with of all evaporators when requiring, the preferential requirement that is provided with of satisfying default evaporimeter.As shown in Figure 1, air conditioning for automobiles 100 mainly comprises the motor compressor 110 that links together, condenser 120, liquid storage hothouse 130, the first expansion valves 140 and first evaporimeter 150.Connected mode shown in Figure 1 is a schematic diagram, and has only shown main element.Air conditioning for automobiles 100 also can comprise the pipeline switching device shifter, can be when temperature is low by switching motor compressor 110, and condenser 120, the annexation between liquid storage hothouse 130, the first expansion valves 140 and first evaporimeter 150 makes the air conditioning for automobiles heating.
Air conditioning for automobiles 100 also comprises second evaporimeter 160 and second expansion valve 170 that the be connected in series back and first evaporimeter 150 and first expansion valve 140 are connected in parallel.Wherein, first evaporimeter 150 can be used for regulating the temperature in the compartment.Second evaporimeter 160 is used for the heat management of other functional part of automobile.These other functional parts can be battery, automobile refrigerator etc.The open degree that automotive air-conditioning controller is adjusted the rotating speed of motor compressor 110 and first and second expansion valves 140 and 170 by the frequency converter of control motor compressor 110 is adjusted the temperature of first and second evaporimeters 150 and 160.Be appreciated that ground, in different applied environments, the quantity that air conditioning for automobiles 100 also can be regulated the element of temperature as required increases evaporimeter and expansion valve.
As shown in Figure 2, the automotive air-conditioning controller 200 of the utility model one embodiment can comprise blower fan control module 210, leaving air temp control module 220, air-out mode control module 230, motor compressor control module 240 and be used to store the central control module 250 of air-conditioning control program and parameter.For optimizing the function of automotive air-conditioning controller 200, also configurable auxiliary heating control module 260 and inside and outside loop control module 270.
Blower fan control module 210 is used for the blower fan wind speed according to factors such as the air outlet temperature control air conditioning for automobiles of outer atmospheric temperature and setting.
Leaving air temp control module 220 is used for determining according to Current Temperatures in design temperature (temperature in the car cabin of setting) and the car cabin air outlet temperature of above-mentioned setting.The temperature controlled accuracy of air outlet has directly influenced the accuracy of vehicle interior temperature control.In addition, the air outlet temperature auto control also must be considered the cold and hot various working such as car that open.
Air-out mode control module 230 is used for according to current air outlet temperature, outer atmospheric temperature etc. the air-out pattern being controlled automatically.The basic principle of this control be according to the requirement of human body comfort will be colder wind to human body top, the wind of heat is controlled to the human body bottom.
Auxiliary heating control module 260 is used under specific circumstances, and when for example the difference of outer atmospheric temperature and design temperature is greater than preset value, or automobile starts to heat in the car cabin, to guarantee the thermal source control of air conditioning for automobiles after cutting out engine.
Inside and outside loop control module 270 is used for determining according to conditions such as outer atmospheric temperature and design temperatures the position of inside and outside circulation motor.Inside and outside loop control also needs to consider to switch interior circulation etc. when cleaning front window automatically in reversing.
Motor compressor control module 240 is used for the rotating speed according to the target temperature control motor compressor 110 of a plurality of evaporimeters of air conditioning for automobiles.In the present embodiment, motor compressor control module 240 is also controlled the open degree of first and second expansion valves 140 and 170 simultaneously, to realize the accurate control of a plurality of evaporator temperatures.
As shown in Figure 3, in the present embodiment, motor compressor control module 240 mainly comprises evaporator temperature control module 242, compressor speed control module 244 and compressor speed limiting unit 246.
Evaporator temperature control module 242 is mainly used in first target temperature of calculating first evaporimeter 150 according to the air outlet thermometer of the actual temperature of first evaporimeter 150, outer atmospheric temperature, air outlet position and setting.Evaporator temperature control module 242 also will be considered the value of humidity sensor sometimes.
Compressor speed control module 244 is mainly used in the rotating speed of target according to the temperature computation motor compressor 110 of other functional part of automobile of this first target temperature and setting.For guaranteeing accurately to control the rotating speed of motor compressor, compressor speed control module 244 also need be considered the current rotating speed of motor compressor 110.
Compressor speed limiting unit 246 is mainly used in the rotating speed upper limit of qualification motor compressor 110 and instructs to motor compressor 110 output speeds according to this rotating speed upper limit and above-mentioned rotating speed of target.Particularly, when the rotating speed of target of motor compressor 110 more than or equal to its rotating speed in limited time, the compressor speed limiting unit 246 output speed upper limits make motor compressor 110 with its rotating speed upper limit running.When the rotating speed of target of motor compressor 110 less than its rotating speed in limited time, compressor speed limiting unit 246 export target rotating speeds make turning round with rotating speed of target of motor compressor 110.Compressor speed limiting unit 246 also is used for exporting switch orders according to the rotating speed of target of motor compressor 110 and actual output speed to first and second expansion valves 140,170, to control the temperature of first and second evaporimeters 150,160 by the open degree of controlling first and second expansion valves 140,170.
In the present embodiment, the 240 preferential design temperature requirements of satisfying second evaporimeter 160 of motor compressor control module.When the rotating speed of target of motor compressor 110 more than or equal to its rotating speed in limited time, the compressor speed limiting unit 246 output speed upper limits, export switch order according to the rotating speed of target of motor compressor 110 and the difference of actual output speed simultaneously, satisfy the temperature of other functional part requirement of automobile by 160 work of second expansion valve 170 control, second evaporimeter with output, be lower than the temperature of design temperature by 150 work of first expansion valve, 140 controls, first evaporimeter with output.In addition, cause satisfying the temperature requirement of other functional part of automobile of second evaporimeter, 160 correspondences for preventing maloperation, the temperature of other functional part of automobile of above-mentioned setting is determined by central control module 250.
Automotive air-conditioning controller of the present invention is by being provided with the motor compressor control module, determines the rotating speed of motor compressor to make that the temperature control of evaporimeter is more accurate according to the design temperature of a plurality of evaporimeters.The entire controller response is fast, can realize the balance control of multi-evaporator, and the exploitation of controlling air-conditioner for final automobile provides good basis.
The above embodiment has only expressed embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (4)
1. automotive air-conditioning controller, be used for the air conditioning for automobiles with a plurality of evaporimeters is controlled, described a plurality of evaporimeter comprises that at least one first evaporimeter that is used to regulate temperature in the compartment and at least one are used for second evaporimeter of other functional part heat management of automobile, is characterized in that: described automotive air-conditioning controller comprises the motor compressor control module according to the rotating speed of the target temperature control motor compressor of described a plurality of evaporimeters.
2. automotive air-conditioning controller according to claim 1, it is characterized in that, described motor compressor control module comprises: calculate according to the air outlet thermometer of actual temperature, outer atmospheric temperature, air outlet position and the setting of described first evaporimeter described first evaporimeter first target temperature the evaporator temperature control module and calculate the compressor speed control module of the rotating speed of target of described motor compressor according to the current rotating speed of the temperature of other parts heat management target of described automobile of described first target temperature, setting and described motor compressor.
3. automotive air-conditioning controller according to claim 2, it is characterized in that, described motor compressor control module also comprises and is used to limit the described compressor rotary speed upper limit and instructs to described motor compressor output speed according to this rotating speed upper limit and described rotating speed of target, and according to described rotating speed of target and actual output speed to the compressor speed limiting unit of the heating power expansion valve output switch order corresponding with the work of controlling described first evaporimeter with described first evaporimeter.
4. automotive air-conditioning controller according to claim 3, it is characterized in that, described automotive air-conditioning controller also comprises: the blower fan control module of controlling the blower fan wind speed of air conditioning for automobiles according to the air outlet temperature of outer atmospheric temperature and described setting, determine the leaving air temp control module of the air outlet temperature of described setting according to Current Temperatures in design temperature and the car cabin, position according to outer atmospheric temperature and the definite inside and outside circulation motor of described design temperature, and the inside and outside loop control module of circulation in when reversing automobile, switching, and the difference of outer atmospheric temperature and design temperature during greater than preset value or car engine close work auxiliary heating control module of back in the car cabin, to heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206505083U CN202013000U (en) | 2010-12-09 | 2010-12-09 | Controller for automobile air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206505083U CN202013000U (en) | 2010-12-09 | 2010-12-09 | Controller for automobile air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202013000U true CN202013000U (en) | 2011-10-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206505083U Expired - Fee Related CN202013000U (en) | 2010-12-09 | 2010-12-09 | Controller for automobile air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202013000U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720651A (en) * | 2012-06-28 | 2012-10-10 | 惠州市德赛西威汽车电子有限公司 | Control device and control method for variable-displacement compressor of air conditioner |
| CN102721154A (en) * | 2012-06-28 | 2012-10-10 | 惠州市德赛西威汽车电子有限公司 | Energy-saving control device and control method for variable displacement compressor of air conditioner |
| 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 |
| CN106368939A (en) * | 2016-08-30 | 2017-02-01 | 东风柳州汽车有限公司 | Rotating speed control method for electric compressor of automobile air conditioner |
-
2010
- 2010-12-09 CN CN2010206505083U patent/CN202013000U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720651A (en) * | 2012-06-28 | 2012-10-10 | 惠州市德赛西威汽车电子有限公司 | Control device and control method for variable-displacement compressor of air conditioner |
| CN102721154A (en) * | 2012-06-28 | 2012-10-10 | 惠州市德赛西威汽车电子有限公司 | Energy-saving control device and control method for variable displacement compressor of air conditioner |
| CN102721154B (en) * | 2012-06-28 | 2015-05-27 | 惠州市德赛西威汽车电子有限公司 | Energy-saving control device and control method for variable displacement compressor of air conditioner |
| CN102720651B (en) * | 2012-06-28 | 2015-06-24 | 惠州市德赛西威汽车电子有限公司 | Control device and control method for variable-displacement compressor of air conditioner |
| 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 |
| CN106368939A (en) * | 2016-08-30 | 2017-02-01 | 东风柳州汽车有限公司 | Rotating speed control method for electric compressor of automobile air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111019 Termination date: 20131209 |