CN108583215A - A kind of controller for preventing automobile air conditioner compressor to be frequently attracted and its control method - Google Patents
A kind of controller for preventing automobile air conditioner compressor to be frequently attracted and its control method Download PDFInfo
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- CN108583215A CN108583215A CN201810793969.7A CN201810793969A CN108583215A CN 108583215 A CN108583215 A CN 108583215A CN 201810793969 A CN201810793969 A CN 201810793969A CN 108583215 A CN108583215 A CN 108583215A
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004378 air conditioning Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 238000001514 detection method Methods 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
Classifications
-
- 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
- B60H1/00814—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation
- B60H1/00878—Control systems or circuits characterised by their output, for controlling particular components of the heating, cooling or ventilating installation the components being temperature regulating devices
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The present invention provides a kind of controllers for preventing automobile air conditioner compressor to be frequently attracted, including：Acquisition module, control module, transmission module and drive module；The acquisition module includes a digital temperature sensor, for acquiring vapour environment inside car temperature and air quantity；The control module judges the collected information of the acquisition module for identification, and sends out operational order；The transmission module is used for transmission data；The drive module includes compressor and air blower, for after receiving the operational order, the operation of control unit.The present invention also provides a kind of control methods for the controller for preventing automobile air conditioner compressor to be frequently attracted.Digital sensor is arranged in evaporator surface by the present invention so that air conditioning for automobiles user keeps certain air outlet temperature in the case where opening different air quantity, while keeping the optimum Working that 50s is attracted, 10s is disconnected in compressor one minute；High frequent actuation is effectively prevented, the service life of air-conditioning is extended.
Description
Technical field
The present invention relates to automobile air conditioner compressor fields, and in particular, to one kind prevents automobile air conditioner compressor from frequently inhaling
The controller and its control method of conjunction.
Background technology
Traditional air conditioning for automobiles control compressor actuation is one temperature sensing package of series connection in compressor loop, and temperature-sensing probe is deep
Enter evaporator, when evaporator temperature is too low, circuit disconnects, and compressor is not attracted and (does not freeze)；But since series loop makes
Temperature sensing package setting opening and closing range fixes (being, for example, less than 4 DEG C of disconnections, be more than 8 DEG C of closures), causes system that can not adapt to difference
Air quantity.
So if the start and stop temperature difference bigger than normal is arranged, compressor pickup time is normal when air quantity is small, big in air quantity
When, compressor dwell time is long, and refrigeration effect is bad；If the start and stop temperature difference less than normal, compressor when air quantity is big is arranged
Suction stops normally, air quantity hour then frequent start-stop.In order to possess preferable air-conditioning effect, manufacturer is usually arranged as start and stop temperature less than normal
Difference, but user once turns air quantity down, start/stop of compressor can frequently seriously affect service life.
Invention content
For the defects in the prior art, the object of the present invention is to provide one kind, and automobile air conditioner compressor to be prevented frequently to be attracted
Controller and its control method, the present invention digital sensor is set in evaporator surface so that air conditioning for automobiles user exists
In the case of opening different air quantity, keep certain air outlet temperature, at the same keep in compressor one minute 50s to be attracted, 10s it is disconnected
The optimum Working opened；High frequent actuation is effectively prevented, the service life of air-conditioning is extended.
According to an aspect of the present invention, a kind of controller for preventing automobile air conditioner compressor to be frequently attracted is provided, including
Acquisition module, control module, transmission module and drive module；
Wherein,
-- the acquisition module includes a digital temperature sensor, for acquiring vapour environment inside car temperature, Yi Jijian
Survey the air quantity gear that air-conditioning is opened；
-- the control module judges the collected information of the acquisition module for identification, and is sent out to the drive module
Go out operational order；
-- the transmission module is used to the collected information of acquisition module being transferred to control module, and by the control
The operational order that module is sent out is transferred to drive module；
-- the drive module includes compressor and air blower, for after receiving the operational order, control unit
Operation.
Digital temperature sensor is different from temperature sensing package, and setting opening and closing range can automatically adjust, and multiple temperature can be arranged
Spend gear so that system adapts to different air quantity；Different air quantity gears are correspondingly arranged into different temperature values so that compressor
Start and stop are carried out after relevant temperature can be reached with the switching of air quantity gear, user can enjoy more comfortable air-conditioning effect.
Preferably, the digital temperature sensor is arranged on the surface of evaporator, and the modes such as insertion can be used and install, grasp
Work facilitates simple and direct.
Preferably, the compressor is connect by the relay in it with controller, i.e. the switch by controlling relay
And reach the start and stop of control compressor.
Preferably, the transmission module is carried out data transmission using SPI communications protocol, communicates simple and stable, data transmission
Rate is quick.
To achieve the above object, the present invention also provides a kind of controllers for preventing automobile air conditioner compressor to be frequently attracted
Control method includes the following steps：
Step 1, air-conditioning are opened, the ring in air quantity gear and automobile that the acquisition module detection user currently opens
Border temperature；
The collected air quantity of acquisition module and temperature are transferred to control module by step 2, the transmission module；
Step 3, control module identification judge the information received, and by transmission module to the drive module
Send out operational order；
Step 4 after the drive module receives the operational order, controls compressor and air blower operation；
Step 5, the acquisition module cycle detection per second start next round cycle, and acquisition module is per second all to be recycled
Detection so that air-conditioning realizes the purpose of real-time control compressor, more can timely execute the instruction of user so that user reaches
Better body-sensing experience.
Preferably, the acquisition module is when air-conditioning is opened, the air quantity gear that detection user currently opens, and control module is silent
Recognize actuation compressor；But with acquisition module cycle detection per second and quick data transmission bauds so that control module
It can be in time with the attracting state of the instruction adjustment compressor of user.
Preferably, the operational order includes：The acquisition module detects that vapour environment inside car temperature is greater than the set value Ta
When, the control module control drive module disconnects compressor, and adjusts the air output of air blower；The acquisition module detects
When vapour environment inside car temperature is less than setting value Tb, the control module control drive module is attracted compressor, and adjusts air blower
Air output.
Preferably, the difference of the desired temperature Ta and Tb is 4 DEG C, and 4 DEG C of temperature gap is optimum state, can be more preferable
Constant compression machine working condition；If the difference of this temperature setting is excessive, the time that compressor is opened and stopped can
It is long, so as to cause occurring that superheating phenomenon is subcooled；And the difference of this temperature setting is too small, then high frequent is attracted, and is affected
The service life of air-conditioning.
Preferably, the air quantity is divided into 5 grades, and every grade of air quantity is correspondingly provided with desired temperature Ta and Tb, every grade of correspondence respectively
Desired temperature Ta and Tb can freely be adjusted according to use environment and user demand.
Preferably, the air quantity, desired temperature Ta and Tb parameter are as follows：
Air quantity gear is complete, can meet the needs of users substantially, and corresponding desired temperature is reasonable, can give user with
Carry out better body-sensing experience, and high frequent will not be caused to be attracted, influences the service life of air-conditioning.
Compared with prior art, the present invention has following advantageous effect：
(1) controller of the present invention for preventing automobile air conditioner compressor to be frequently attracted and its control method, design are former
Reason is：Digital temperature sensor is different from temperature sensing package, and setting opening and closing range can automatically adjust, and multiple temperature shelves can be arranged
Position so that system adapts to different air quantity, and different air quantity gears is correspondingly arranged into different temperature values, and air conditioning for automobiles user exists
In the case of opening different air quantity, keep certain air outlet temperature, at the same keep in compressor one minute 50s to be attracted, 10s it is disconnected
The optimum Working opened；
(2) controller of the present invention for preventing automobile air conditioner compressor to be frequently attracted and its control method, it is digital
Sensor and controller it is more stable compared to traditional temperature sensing package, reliability higher, longer life expectancy；
(3) controller of the present invention for preventing automobile air conditioner compressor to be frequently attracted and its control method install number
The sensor of word formula is simple and fast, ingenious in design, significant effect；
(4) controller of the present invention for preventing automobile air conditioner compressor to be frequently attracted and its control method, can be effective
It prevents high frequent to be attracted, promotes the service life of air-conditioning；
(5) controller of the present invention for preventing automobile air conditioner compressor to be frequently attracted and its control method acquire mould
Block is per second all to carry out cycle detection so that air-conditioning realizes the purpose of real-time control compressor, more can timely execute user's
Instruction so that user reaches better body-sensing experience；
(6) controller of the present invention for preventing automobile air conditioner compressor to be frequently attracted and its control method, it is semi-automatic
Air-conditioning can prevent evaporator temperature difference variation excessive, can stablize air-conditioner air outlet temperature, promote air-conditioning effect；
(7) controller of the present invention for preventing automobile air conditioner compressor to be frequently attracted and its control method, are replaced with
This is relatively low, and concept feasible is high, is worth a wide range of and promotes.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the controller for preventing automobile air conditioner compressor to be frequently attracted and its principle modules schematic diagram of control method.
Specific implementation mode
With reference to specific embodiment, the present invention is described in detail.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, various modifications and improvements can be made.These belong to the present invention
Protection domain.
Embodiment 1
The present embodiment is related to a kind of controller for preventing automobile air conditioner compressor to be frequently attracted, and principle modules schematic diagram is such as
Shown in attached drawing 1, including：Acquisition module, control module, transmission module and drive module；
Wherein,
-- the acquisition module includes a digital temperature sensor, for acquiring vapour environment inside car temperature, Yi Jijian
Survey the air quantity gear that air-conditioning is opened；
-- the control module judges the collected information of the acquisition module for identification, and is sent out to the drive module
Go out operational order；
-- the transmission module is used to the collected information of acquisition module being transferred to control module, and by the control
The operational order that module is sent out is transferred to drive module；
-- the drive module includes compressor and air blower, for after receiving the operational order, control unit
Operation.
Digital temperature sensor is different from temperature sensing package, and setting opening and closing range can automatically adjust, and multiple temperature can be arranged
Spend gear so that system adapts to different air quantity；Different air quantity gears are correspondingly arranged into different temperature values so that compressor
Start and stop are carried out after relevant temperature can be reached with the switching of air quantity gear, user can enjoy more comfortable air-conditioning effect.
Further, the digital temperature sensor is arranged on the surface of evaporator, and the modes such as insertion can be used and install,
It is easy to operate simple and direct.
Further, the compressor is connect by the relay in it with controller, i.e., by controlling opening for relay
Close and reach the start and stop of control compressor.
Further, the transmission module is carried out data transmission using SPI communications protocol, communicates simple and stable, and data pass
Defeated rate is quick.
Embodiment 2
The present embodiment is related to a kind of controller for preventing automobile air conditioner compressor to be frequently attracted, the principle modules schematic diagram
Such as embodiment 1.
The present embodiment provides a kind of controller for preventing automobile air conditioner compressor to be frequently attracted and its control methods, including with
Lower step：
Step 1, air-conditioning are opened, the ring in air quantity gear and automobile that the acquisition module detection user currently opens
Border temperature；
The collected air quantity of acquisition module and temperature are transferred to control module by step 2, the transmission module；
Step 3, control module identification judge the information received, and by transmission module to the drive module
Send out operational order；
Step 4 after the drive module receives the operational order, controls compressor and air blower operation；
Step 5, the acquisition module cycle detection per second start next round cycle, and acquisition module is per second all to be recycled
Detection so that air-conditioning realizes the purpose of real-time control compressor, more can timely execute the instruction of user so that user reaches
Better body-sensing experience.
Further, the acquisition module is when air-conditioning is opened, the air quantity gear that detection user currently opens, control module
Acquiescence is attracted compressor；But with acquisition module cycle detection per second and quick data transmission bauds so that control mould
Block can be in time with the attracting state of the instruction adjustment compressor of user.
Further, the operational order includes：The acquisition module detects that vapour environment inside car temperature is greater than the set value
When Ta, the control module control drive module disconnects compressor, and adjusts the air output of air blower；The acquisition module detection
When being less than setting value Tb to vapour environment inside car temperature, the control module control drive module is attracted compressor, and adjusts air blast
The air output of machine.
Further, the difference of the desired temperature Ta and Tb is 4 DEG C, and 4 DEG C of temperature gap is optimum state, can be more
The working condition of good constant compression machine；If the difference of this temperature setting is excessive, the time that compressor is opened and stopped is equal
Can be long, so as to cause occurring that superheating phenomenon is subcooled；And the difference of this temperature setting is too small, then high frequent is attracted, and is influenced
The service life of air-conditioning.
Further, the air quantity is divided into 5 grades, and every grade of air quantity is correspondingly provided with desired temperature Ta and Tb respectively, and every grade right
The desired temperature Ta and Tb answered can freely be adjusted according to use environment and user demand.
Further, the air quantity, desired temperature Ta and Tb parameter are as follows：
Air quantity gear is complete, can meet the needs of users substantially, and corresponding desired temperature is reasonable, can give user with
Carry out better body-sensing experience, and high frequent will not be caused to be attracted, influences the service life of air-conditioning.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, those skilled in the art can make various deformations or amendments within the scope of the claims, this not shadow
Ring the substantive content of the present invention.
Claims (10)
1. a kind of controller for preventing automobile air conditioner compressor to be frequently attracted, which is characterized in that including acquisition module, control mould
Block, transmission module and drive module；
Wherein,
-- the acquisition module includes a digital temperature sensor, for acquiring vapour environment inside car temperature, and detection sky
Tune to open the air quantity gear opened；
-- the control module judges the collected information of the acquisition module for identification, and sends out behaviour to the drive module
It instructs；
-- the transmission module is used to the collected information of acquisition module being transferred to control module, and by the control module
The operational order sent out is transferred to drive module；
-- the drive module includes compressor and air blower, for after receiving the operational order, the fortune of control unit
Row.
2. according to claim 1 prevent the controller that automobile air conditioner compressor is frequently attracted, which is characterized in that the number
Word formula temperature sensor is arranged on the surface of evaporator.
3. according to claim 1 prevent the controller that automobile air conditioner compressor is frequently attracted, which is characterized in that the pressure
Contracting machine is connect by the relay in it with controller.
4. according to claim 1 prevent the controller that automobile air conditioner compressor is frequently attracted, which is characterized in that the biography
Defeated module is carried out data transmission using SPI communications protocol.
5. a kind of control method for the controller for preventing automobile air conditioner compressor to be frequently attracted, which is characterized in that including following step
Suddenly：
Step 1, air-conditioning are opened, the environment temperature in air quantity gear and automobile that the acquisition module detection user currently opens
Degree；
The collected air quantity of acquisition module and temperature are transferred to control module by step 2, the transmission module；
Step 3, the control module identification judges the information received, and is sent out to the drive module by transmission module
Operational order；
Step 4 after the drive module receives the operational order, controls compressor and air blower operation；
Step 5, the acquisition module cycle detection per second start next round cycle.
6. the control method of the controller according to claim 5 for preventing automobile air conditioner compressor to be frequently attracted, feature
It is, the acquisition module is when air-conditioning is opened, the air quantity gear that detection user currently opens, and control module acquiescence is attracted compression
Machine.
7. the control method of the controller according to claim 5 for preventing automobile air conditioner compressor to be frequently attracted, feature
It is, the operational order includes：When the acquisition module detects that vapour environment inside car temperature is greater than the set value Ta, the control
Module controls drive module and disconnects compressor, and adjusts the air output of air blower；The acquisition module detects vapour environment inside car
When temperature is less than setting value Tb, the control module control drive module is attracted compressor, and adjusts the air output of air blower.
8. the control method of the controller according to claim 7 for preventing automobile air conditioner compressor to be frequently attracted, feature
It is, the difference of the desired temperature Ta and Tb is 4 DEG C.
9. the control method of the controller according to claim 8 for preventing automobile air conditioner compressor to be frequently attracted, feature
It is, the air quantity is divided into 5 grades, and every grade of air quantity is correspondingly provided with desired temperature Ta and Tb respectively.
10. the control method of the controller according to claim 9 for preventing automobile air conditioner compressor to be frequently attracted, feature
It is, the air quantity, desired temperature Ta and Tb parameter are as follows：
At 1 grade：Ta=4 DEG C Tb=0 DEG C；
At 2 grades：Ta=5 DEG C Tb=1 DEG C；
At 3 grades：Ta=6 DEG C Tb=2 DEG C；
At 4 grades：Ta=7 DEG C Tb=3 DEG C；
At 5 grades：Ta=8 DEG C Tb=4 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810793969.7A CN108583215A (en) | 2018-07-19 | 2018-07-19 | A kind of controller for preventing automobile air conditioner compressor to be frequently attracted and its control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810793969.7A CN108583215A (en) | 2018-07-19 | 2018-07-19 | A kind of controller for preventing automobile air conditioner compressor to be frequently attracted and its control method |
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Family
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| CN201810793969.7A Pending CN108583215A (en) | 2018-07-19 | 2018-07-19 | A kind of controller for preventing automobile air conditioner compressor to be frequently attracted and its control method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110962528A (en) * | 2018-09-30 | 2020-04-07 | 上海汽车集团股份有限公司 | Automobile air conditioner control system and control method thereof |
| CN113511048A (en) * | 2020-12-25 | 2021-10-19 | 北汽福田汽车股份有限公司 | Control system of constant displacement compressor |
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| JPH06127262A (en) * | 1991-04-10 | 1994-05-10 | Nippondenso Co Ltd | Vehicle air-conditioner |
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| CN208867815U (en) * | 2018-07-19 | 2019-05-17 | 泰铂（上海）环保科技股份有限公司 | A kind of controller for preventing automobile air conditioner compressor to be frequently attracted |
-
2018
- 2018-07-19 CN CN201810793969.7A patent/CN108583215A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| JPH06127262A (en) * | 1991-04-10 | 1994-05-10 | Nippondenso Co Ltd | Vehicle air-conditioner |
| CN102967024A (en) * | 2012-11-30 | 2013-03-13 | 长城汽车股份有限公司 | Start-stop control system for air-conditioning compressor of automobile and control method of control system |
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| Title |
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| 叶丽娜等: "《现代测量技术》", 29 February 2008, 安徽人民出版社, pages: 76 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110962528A (en) * | 2018-09-30 | 2020-04-07 | 上海汽车集团股份有限公司 | Automobile air conditioner control system and control method thereof |
| CN113511048A (en) * | 2020-12-25 | 2021-10-19 | 北汽福田汽车股份有限公司 | Control system of constant displacement compressor |
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