CN104132434A - Automatic control system of automobile air conditioner - Google Patents
Automatic control system of automobile air conditioner Download PDFInfo
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- CN104132434A CN104132434A CN201410385908.9A CN201410385908A CN104132434A CN 104132434 A CN104132434 A CN 104132434A CN 201410385908 A CN201410385908 A CN 201410385908A CN 104132434 A CN104132434 A CN 104132434A
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- automatic control
- control system
- microcontroller
- air conditioning
- humidity sensor
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Abstract
The invention discloses an automatic control system of an automobile air conditioner. The automatic control system of the automobile air conditioner comprises a microcontroller, a sensor, a displayer, a button device and an actuator, wherein the sensor, the displayer, the button device and the actuator are respectively connected with the microcontroller, and the microcontroller is further connected with a fault storage and diagnosis device. According to the automatic control system of the automobile air conditioner, the fault storage and diagnosis device is added, problems generated in the automatic control system of the automobile air conditioner in the work process are diagnosed and stored, optimization and automatic control over system performance are achieved. A power supply device is added to guarantee normal work of the system. An automatic alarm device is added to give out automatic alarm reminding when the system breaks down, and therefore timely overhauling and good maintenance of the system are achieved.
Description
Technical field
The present invention relates to air conditioning for automobiles field, specifically refer to a kind of air conditioning for automobiles automatic control system.
Background technology
Along with improving constantly of people's living standard, the growing with each passing day of automobile consumption amount, people are also thereupon more and more higher to the performance requirement of automobile, and air-conditioning is as the vitals of automobile, its quality directly has influence on performance and the comfort level of car load.Air conditioning for automobiles automatic control system function in the market mainly still adopts the analog device of low precision and mechanical construction to complete, can not realize the fault of this system appearance is stored and diagnoses and make alarm, and cannot be separately for air conditioning for automobiles automatic control system provides stable power supply, therefore also cannot meet more many-sided demand that people propose automatic control system of air conditioner day by day, for this situation, further develop a kind of raising processing speed, and be easy to the air conditioning for automobiles automatic control system of safeguarding, become the inexorable trend of future automobile air-conditioning system intelligent development.
Summary of the invention
The object of the invention is to provide a kind of and can carry out fault storage, fault alarm, be easy to the air conditioning for automobiles automatic control system of safeguarding.
The present invention is achieved through the following technical solutions: a kind of air conditioning for automobiles automatic control system, it is characterized in that: comprise microcontroller, and the sensor being connected with microcontroller respectively, display, key device, actuator, described microcontroller is also connected with fault and stores diagnostic device.The present invention has set up fault and has stored diagnostic device on existing automobile air conditioner control system basis, and described fault stores diagnostic device and is directly connected with microcontroller.The problem that fault storage diagnostic device is mainly used in that air conditioning for automobiles automatic control system is occurred in the process of operation is carried out automatic storage and is diagnosed position and the reason that may go wrong, the position of indication fault in the time need to repairing; The Main Function of microcontroller is that the data that sensor is collected are processed, and after treatment actuator is sent to concrete control instruction, completes corresponding control; Sensor is mainly used in the humiture coefficient of Real-time Collection automobile internal and external environment and parts, and is transferred to microcontroller; The Main Function of actuator is after carrying out the signal of microcontroller receiving sensor collection and dealing with, and sends to the control instruction of actuator; The Main Function of key device is the control data of input to air-conditioner control system; Display unit is mainly used in showing the temperature arranging, real time temperature, control mode, drive manner etc.Because existing microcontroller, sensor, display, key device and actuator all belong to prior art, and improvement of the present invention does not lie in microcontroller, sensor, display, key device and actuator, therefore repeat no more structure and the operation principle of sensor, display, key device and actuator.
Further, described microprocessor is AT89S52.
Further, described display is liquid crystal display LCM1602.
Further, described sensor comprises evaporimeter Temperature Humidity Sensor and Che Nei Temperature Humidity Sensor, is connected respectively with microcontroller.
Further, described evaporimeter Temperature Humidity Sensor is integrated Temperature Humidity Sensor DS18B20, evaporimeter Temperature Humidity Sensor is mainly used in monitoring the temperature of evaporimeter, and when temperature being detected and be 0 °, microcontroller sends running that instruction controls compressor in actuator to prevent evaporimeter frosting.
Further, in described car, Temperature Humidity Sensor is integrated digital Temperature Humidity Sensor DHT90, and in car, Temperature Humidity Sensor is mainly used in gathering the humiture in car, and data-signal is transferred to microcontroller, through comparing with the setting value storing, the humiture in car is regulated.
Further, described microcontroller is also connected with supply unit, and described supply unit is accumulator plant, for air conditioning for automobiles automatic control system provides continual and steady working power.
Further, described microcontroller is also connected with autoalarm, sends alarm when exceeding the temperature threshold of setting in temperature.When normally collection signal appears in air conditioning for automobiles automatic control system, when actuator can not normally carry out the state of work according to the instruction of microcontroller, autoalarm will start warning danger signal, and on display, shows position and the problem of problem.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention stores diagnostic device by setting up fault, thereby the fault that air conditioning for automobiles automatic control system is occurred stores, and indication fault position when repairing, has effectively avoided tiring out and deposit for a long time of fault, is easy to air conditioning for automobiles automatic control system to carry out periodic maintenance.
(2) the present invention has set up supply unit, and supply unit can be accumulator plant, for air conditioning for automobiles automatic control system provides stable power supply, guarantees that it normally works.
(3) the present invention has set up autoalarm, has guaranteed that the problem occurring can be resolved in time.
Accompanying drawing explanation
Fig. 1 is the structural representation block diagram of the embodiment of the present invention 1.
Fig. 2 is the structural representation block diagram of the embodiment of the present invention 2.
Fig. 3 is the structural representation block diagram of the embodiment of the present invention 3.
The specific embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment 1:
The principle of the present embodiment, as shown in Figure 1, a kind of air conditioning for automobiles automatic control system, comprises microcontroller, and the sensor being connected with microcontroller respectively, display, key device, actuator, described microcontroller is also connected with fault and stores diagnostic device.The present invention has set up fault and has stored diagnostic device on existing air conditioning for automobiles automatic control system basis, and described fault stores diagnostic device and is directly connected with microcontroller.Sensor comprises evaporimeter Temperature Humidity Sensor and Che Nei Temperature Humidity Sensor, actuator comprises evaporimeter electric machine controller and compressor electric motor controller, in evaporimeter Temperature Humidity Sensor or car, Temperature Humidity Sensor is regularly transferred to microcontroller by the temperature collecting or humidity data, microcontroller contrasts processing by the data of these data and database and setting, take and artificially arrange 0 ℃ as example, the temperature that collects evaporator surface when evaporimeter Temperature Humidity Sensor is during lower than 0 ℃, this transfer of data is to microcontroller, microcontroller by analysis, send and control compressor operation to prevent evaporimeter frosting.When evaporimeter Temperature Humidity Sensor, accurately the signal of image data signal or collection is inaccurate, when evaporimeter electric machine controller can not normally be carried out the control instruction of microcontroller, these data record are by automatic transmission and be stored into fault storage diagnostic device, when repairing, by opening record, can automatically show time, position and the frequency of fault, effectively raise the intelligent behaviour of air conditioning for automobiles automatic control system.In car, the operation principle of Temperature Humidity Sensor and evaporimeter Temperature Humidity Sensor is similar, does not remake further and repeats.
Embodiment 2:
The present embodiment has further been set up supply unit on the basis of embodiment 1, and described supply unit is accumulator plant, and as shown in Figure 2, accumulator plant is directly connected with microcontroller, guarantees the continuation power supply supply of air conditioning for automobiles automatic control system.Other parts of the present embodiment are identical with embodiment 1, repeat no more.
Embodiment 3:
The present embodiment has further been set up autoalarm on the basis of embodiment 2, as shown in Figure 3, autoalarm is directly connected with microcontroller, when the lack of refrigerant of air conditioning for automobiles automatic control system, refrigerant pressure is high with or the situation such as during lower than setting value, automatic alarm system will be sent alarm signal automatically, with alerting.Other parts of the present embodiment are same as the previously described embodiments, repeat no more.
The above, be only preferred embodiment of the present invention, not the present invention done to any pro forma restriction, and any simple modification, equivalent variations that every foundation technical spirit of the present invention is done above embodiment, within all falling into protection scope of the present invention.
Claims (9)
1. an air conditioning for automobiles automatic control system, is characterized in that: comprise microcontroller, and the sensor being connected with microcontroller respectively, display, key device and actuator, described microcontroller is also connected with fault and stores diagnostic device.
2. a kind of air conditioning for automobiles automatic control system according to claim 1, is characterized in that: described microcontroller is AT89S52.
3. a kind of air conditioning for automobiles automatic control system according to claim 1 and 2, is characterized in that: described display is liquid crystal display LCM1602.
4. a kind of air conditioning for automobiles automatic control system according to claim 1 and 2, is characterized in that: described sensor comprises evaporimeter Temperature Humidity Sensor and Che Nei Temperature Humidity Sensor, is connected respectively with microcontroller.
5. a kind of air conditioning for automobiles automatic control system according to claim 4, is characterized in that: described evaporimeter Temperature Humidity Sensor is integrated Temperature Humidity Sensor DS18B20.
6. a kind of air conditioning for automobiles automatic control system according to claim 4, is characterized in that: in described car, Temperature Humidity Sensor is integrated digital Temperature Humidity Sensor DHT90.
7. a kind of air conditioning for automobiles automatic control system according to claim 4, is characterized in that: described microcontroller is also connected with supply unit.
8. a kind of air conditioning for automobiles automatic control system according to claim 7, is characterized in that: described supply unit is accumulator plant.
9. a kind of air conditioning for automobiles automatic control system according to claim 8, is characterized in that: described microcontroller is also connected with autoalarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385908.9A CN104132434A (en) | 2014-08-07 | 2014-08-07 | Automatic control system of automobile air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410385908.9A CN104132434A (en) | 2014-08-07 | 2014-08-07 | Automatic control system of automobile air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104132434A true CN104132434A (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410385908.9A Pending CN104132434A (en) | 2014-08-07 | 2014-08-07 | Automatic control system of automobile air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806640A (en) * | 2014-12-30 | 2016-07-27 | 广东美的制冷设备有限公司 | Air conditioner fault diagnosis device and diagnosis method |
Citations (7)
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|---|---|---|---|---|
| JPH11139149A (en) * | 1997-11-04 | 1999-05-25 | Sanden Corp | Air conditioner device for vehicle |
| KR20030050119A (en) * | 2001-12-18 | 2003-06-25 | 현대자동차주식회사 | Battery power controlling device of vehicle |
| CN101251096A (en) * | 2007-02-22 | 2008-08-27 | 博格思众公司 | Vehicle air conditioning and heating system providing engine on and off operation |
| CN101788361A (en) * | 2009-01-26 | 2010-07-28 | 福特全球技术公司 | Detect the system of the low charge of cold-producing medium in the vehicle air conditioner |
| CN102139615A (en) * | 2010-02-01 | 2011-08-03 | 上海捷能汽车技术有限公司 | Heating ventilation and air conditioning electric control system and hybrid power automobile |
| CN202345619U (en) * | 2011-12-09 | 2012-07-25 | 香港生产力促进局 | Vehicle parking idling and air conditioner control system |
| CN103423835A (en) * | 2012-04-24 | 2013-12-04 | 杭州三花研究院有限公司 | Control method of vehicle air-conditioning system and vehicle air-conditioning system |
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2014
- 2014-08-07 CN CN201410385908.9A patent/CN104132434A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11139149A (en) * | 1997-11-04 | 1999-05-25 | Sanden Corp | Air conditioner device for vehicle |
| KR20030050119A (en) * | 2001-12-18 | 2003-06-25 | 현대자동차주식회사 | Battery power controlling device of vehicle |
| CN101251096A (en) * | 2007-02-22 | 2008-08-27 | 博格思众公司 | Vehicle air conditioning and heating system providing engine on and off operation |
| CN101788361A (en) * | 2009-01-26 | 2010-07-28 | 福特全球技术公司 | Detect the system of the low charge of cold-producing medium in the vehicle air conditioner |
| CN102139615A (en) * | 2010-02-01 | 2011-08-03 | 上海捷能汽车技术有限公司 | Heating ventilation and air conditioning electric control system and hybrid power automobile |
| CN202345619U (en) * | 2011-12-09 | 2012-07-25 | 香港生产力促进局 | Vehicle parking idling and air conditioner control system |
| CN103423835A (en) * | 2012-04-24 | 2013-12-04 | 杭州三花研究院有限公司 | Control method of vehicle air-conditioning system and vehicle air-conditioning system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806640A (en) * | 2014-12-30 | 2016-07-27 | 广东美的制冷设备有限公司 | Air conditioner fault diagnosis device and diagnosis method |
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Application publication date: 20141105 |
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| RJ01 | Rejection of invention patent application after publication |