CN103879261A - Method and system for oil-saving control of vehicle-mounted air conditioner - Google Patents
Method and system for oil-saving control of vehicle-mounted air conditioner Download PDFInfo
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- CN103879261A CN103879261A CN201210558422.1A CN201210558422A CN103879261A CN 103879261 A CN103879261 A CN 103879261A CN 201210558422 A CN201210558422 A CN 201210558422A CN 103879261 A CN103879261 A CN 103879261A
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Abstract
The invention discloses a method and a system for oil-saving control of a vehicle-mounted air conditioner. The method includes detecting ambient temperature; adjusting rotating speed of a fan of the air conditioner according to the ambient temperature. By adjusting the rotating speed of the fan according to the ambient temperature, waste of output power of an engine when high rotating speed of the fan is not needed is avoided, energy consumption is reduced greatly, and good oil saving effect is realized.
Description
Technical field
The present invention relates to the fuel-efficient control technology of on-board air conditioner, particularly, relate to the fuel-efficient control method of a kind of on-board air conditioner and system.
Background technology
For the long-distance goods carrying vehicle of heavy type, in the situation that other conditions such as cargo capacity and transportation range are identical, how improving conveying efficiency and reducing the cost simultaneously, increase economic efficiency is the problem that present stage people pay close attention to the most.
At present, in the long-distance goods carrying vehicle of heavy type field, the application of electric-controlled silicon oil clutch fan is very extensive, but the control of silicon oil clutch fan is confined to regulate the rotating speed of fan to reach the object of cooling down by engine coolant temperature and intake manifold temperature.
Along with improving constantly of car load design of Cooling System level, the fan of heavy long-distance goods carrying vehicle only needs lower rotating speed just can meet the effect that cools of driving engine.But, higher than 30 degree, when chaufeur need to use air-conditioning, control electric-controlled silicon oil clutch fan full speed running by engine electronic control system module ECM in ambient temperature, and in conjunction with the face velocity in Vehicle Driving Cycle process to promote air-conditioning cooling efficiency, meet cooling-down effect with this.Through test, in the time that air-conditioning condenser does not need to lower the temperature, fan, still in direct connection state, can cause the power waste of driving engine like this.
Summary of the invention
The object of this invention is to provide the fuel-efficient control method of a kind of on-board air conditioner and system, for solving the fuel-efficient problem of on-board air conditioner.
To achieve these goals, the invention provides the fuel-efficient control method of a kind of on-board air conditioner, the method comprises: testing environment temperature; And regulate the rotation speed of the fan of described air-conditioning according to described ambient temperature.
The present invention also provides a kind of on-board air conditioner to economize EFM Electronic Fuel Management, and this system comprises: temperature sensor, for detection of ambient temperature; And controller, for regulate the rotation speed of the fan of described air-conditioning according to described ambient temperature.
Pass through technique scheme, the present invention is by regulating the rotating speed of fan according to ambient temperature, avoided not needing the waste of the engine output in the high-revolving situation of fan, the consumption of having lowered well energy, has realized good fuel-efficient effect.
Other features and advantages of the present invention are described in detail the specific embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention, but is not construed as limiting the invention with the specific embodiment one below.In the accompanying drawings:
Fig. 1 is the diagram of circuit of the fuel-efficient control method of on-board air conditioner provided by the invention;
Fig. 2 is provided by the invention according to the method flow diagram of ambient temperature control on-board air conditioner rotation speed of the fan; And
Fig. 3 is the block diagram that on-board air conditioner provided by the invention is economized EFM Electronic Fuel Management.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the present invention, is not limited to the present invention.
The present invention finds by test, for the long-distance goods carrying vehicle of heavy type, is common economic rotating speed at engine speed, and per minute 1200 goes to 1400 while turning, and the average ground speed of vehicle is 70 to 80 kilometers per hour.Hot weather high ambient temperature in southern area of China is 42 degree, hot weather high ambient temperature in most of China area is 38 degree, be 42 while spending in ambient temperature, the rotating speed of fan need to go to 1600 at per minute 1400 and turn and just can meet the cooling demand of air-conditioning, and be 38 while spending in ambient temperature, the rotating speed of fan only need to turn and just can meet the cooling demand of air-conditioning at per minute 300.
By above test results, the ambient temperature in China's overwhelming majority area is in 38 degree left and right, the rotating speed of fan only need to turn and just can meet the cooling demand of air-conditioning at per minute 300, and existing heavy high-speed goods carrying vehicle is that fan per minute 1400 goes to 1600 modes that turn opening what all adopt air-conditioning in the situation that, because the running of fan is that vehicle motor is by driving belt to drive, so the running of fan requires the expenditure of energy equally, this can cause the waste of engine output to a certain extent.
Vast for Chinese Regional, temperature band wide coverage and some vehicle be the wide feature in sales region in overseas, need to take into account air conditioning function and vehicle fuel economizing effect, that is to say and needs two kinds of fan running patterns and deposit.The invention provides the method and system of selecting fan running pattern according to ambient temperature.
Fig. 1 is the diagram of circuit of the fuel-efficient control method of on-board air conditioner provided by the invention, and as shown in Figure 1, the method comprises the following steps: testing environment temperature, and then according to the rotation speed of the fan of ambient temperature adjusting air-conditioning.
Specifically, variation of ambient temperature, the rotation speed of the fan of air-conditioning also will change along with the variation of ambient temperature, and when ambient temperature is higher, the rotation speed of the fan of air-conditioning is also higher, and when ambient temperature is lower, the rotation speed of the fan of air-conditioning is also lower.
Fig. 2 is provided by the invention according to the method flow diagram of ambient temperature control on-board air conditioner rotation speed of the fan, as shown in Figure 2, regulate the rotation speed of the fan of air-conditioning to realize by following steps according to ambient temperature: to preset an ambient temperature threshold value, detecting after ambient temperature, the ambient temperature that detection is obtained and predefined ambient temperature threshold value compare, and regulate the rotation speed of the fan of air-conditioning according to comparative result.
Specifically, in the time that ambient temperature is greater than predefined ambient temperature threshold value, regulate the rotating speed of fan that it is rotated with the first pattern, in the time that ambient temperature is less than or equal to predefined ambient temperature threshold value, regulate the rotating speed of fan that it is rotated with the second pattern.
Under preferable case, vehicle-mounted fan can be electric-controlled silicon oil clutch fan.
Under preferable case, predefined ambient temperature threshold value can be 40 degree.
The implementation that above-described the first pattern is rotated can be: control the electric-controlled silicon oil clutch engagement of described electric-controlled silicon oil clutch fan, make described electric-controlled silicon oil clutch fan and engine belt pulley direct connection, so that described fan rotates with engine belt pulley.
For instance, assumptions' environment temperature threshold is 40 degree, the ambient temperature value that detection obtains is 42 degree, the ambient temperature value that detection obtains is greater than ambient temperature threshold value, so controlling silicone oil flows, thereby control the electric-controlled silicon oil clutch engagement of described electric-controlled silicon oil clutch fan, make described electric-controlled silicon oil clutch fan and engine belt pulley direct connection, so that described fan rotates with engine belt pulley.Now, rotation speed of the fan is that per minute 1400 goes to 1600 and turns.
The implementation that above-described the second pattern is rotated can be: control the silicon oil clutch of fan in released state, make fan along with silicone oil inertial flow is rotated.
For instance, assumptions' environment temperature threshold is 40 degree, the ambient temperature value that detection obtains is 38 degree, the ambient temperature value that detection obtains is less than ambient temperature threshold value, so control silicon oil clutch in released state, fan does not rotate with engine belt pulley and only relies on silicone oil inertia to rotate, and now, rotation speed of the fan is that per minute 300 turns.
Under preferable case, controller can be engine electronic control system module.
Fan adopts the second pattern to rotate, can effectively reduce fuel consumption rate 3%, according to spend summer 30 to 38 degree temperature time lengths be 3 months, 30000 kilometers of calculating of travelled distance, the strategy that fan adopts the second pattern to rotate, can save 2000 ~ 3000 yuan of oil consumption spendings a summer.
Fig. 3 is the block diagram that on-board air conditioner provided by the invention is economized EFM Electronic Fuel Management, and as shown in Figure 3, this system comprises temperature sensor and controller.It is outer for testing environment temperature that temperature sensor can be placed on car, and the ambient temperature that controller detects according to temperature sensor regulates the rotation speed of the fan of air-conditioning.
Under preferable case, controller regulates the rotation speed of the fan of air-conditioning to realize by following steps according to ambient temperature: the ambient temperature that controller detects temperature sensor and predefined ambient temperature threshold value compare, in the time that ambient temperature is greater than ambient temperature threshold value, controller regulates fan to rotate with the first pattern, in the time that ambient temperature is less than or equal to ambient temperature threshold value, controller regulates fan to rotate with the second pattern.
Under preferable case, fan is electric-controlled silicon oil clutch fan.
Wherein, the implementation that the first pattern is rotated can be: controller control silicone oil flows and makes fan direct connection engine belt pulley, so that fan is rotated with engine belt pulley.
Wherein, the implementation that the second pattern is rotated can be: the silicon oil clutch of controller control fan, in released state, makes fan along with silicone oil inertial flow is rotated.
Under preferable case, controller is engine electronic control system module.
It should be noted that, detail and the benefit of economizing EFM Electronic Fuel Management about on-board air conditioner provided by the invention are corresponding with the fuel-efficient control method of on-board air conditioner provided by the invention, repeat no more in this.
Below describe by reference to the accompanying drawings the preferred embodiment of the present invention in detail; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
The present invention is by regulating the rotating speed of fan according to ambient temperature, by being judged, ambient temperature decide fan to rotate to meet the cooling demand of air-conditioning with which kind of pattern, avoid not needing the waste of the engine output in the high-revolving situation of fan, lower well the consumption of energy, reached good fuel-efficient effect.
It should be noted that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the present invention is to the explanation no longer separately of various possible array modes.
In addition, also can carry out combination in any between various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. the fuel-efficient control method of on-board air conditioner, is characterized in that, the method comprises:
Testing environment temperature; And
Regulate the rotation speed of the fan of described air-conditioning according to described ambient temperature.
2. method according to claim 1, is characterized in that, regulates the rotation speed of the fan of described air-conditioning to comprise according to ambient temperature:
Described ambient temperature and predefined ambient temperature threshold value are compared, in the time that described ambient temperature is greater than described ambient temperature threshold value, regulate fan to rotate with the first pattern, otherwise, regulate fan to rotate with the second pattern.
3. method according to claim 2, is characterized in that, described fan is electric-controlled silicon oil clutch fan.
4. method according to claim 3, is characterized in that, described adjusting fan rotates and comprises with the first pattern:
Control the electric-controlled silicon oil clutch engagement of described electric-controlled silicon oil clutch fan, make described electric-controlled silicon oil clutch fan and engine belt pulley direct connection, so that described fan rotates with engine belt pulley.
5. method according to claim 3, is characterized in that, described adjusting fan rotates and comprises with the second pattern:
Control the silicon oil clutch of described fan in released state, to make described fan along with silicone oil inertial flow is rotated.
6. on-board air conditioner is economized an EFM Electronic Fuel Management, it is characterized in that, this system comprises:
Temperature sensor, for detection of ambient temperature; And
Controller, for regulating the rotation speed of the fan of described air-conditioning according to described ambient temperature.
7. system according to claim 6, it is characterized in that, described controller is for comparing described ambient temperature and predefined ambient temperature threshold value, in the time that described ambient temperature is greater than described ambient temperature threshold value, regulate fan to rotate with the first pattern, otherwise, regulate fan to rotate with the second pattern.
8. system according to claim 7, is characterized in that, described fan is electric-controlled silicon oil clutch fan.
9. system according to claim 8, is characterized in that,
At described first mode, the engagement of the electric-controlled silicon oil clutch of electric-controlled silicon oil clutch fan, makes described electric-controlled silicon oil clutch fan and engine belt pulley direct connection, so that described fan rotates with engine belt pulley described in described controller control.
10. system according to claim 8, is characterized in that,
In described the second pattern, the silicon oil clutch of fan is in released state, to make described fan along with silicone oil inertial flow is rotated described in described controller control.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210558422.1A CN103879261B (en) | 2012-12-20 | 2012-12-20 | A kind of fuel-efficient control method of on-board air conditioner and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210558422.1A CN103879261B (en) | 2012-12-20 | 2012-12-20 | A kind of fuel-efficient control method of on-board air conditioner and system |
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| CN103879261A true CN103879261A (en) | 2014-06-25 |
| CN103879261B CN103879261B (en) | 2015-12-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483237A (en) * | 2020-12-08 | 2021-03-12 | 湖南行必达网联科技有限公司 | Electric control silicone oil fan control method, device and system and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100249A (en) * | 1986-01-18 | 1986-09-10 | 北京工业学院 | Fan temperaturing controling speed-regulating clutch |
| JP2004196150A (en) * | 2002-12-19 | 2004-07-15 | Suzuki Motor Corp | Air-conditioning controlling device for vehicle |
| JP2004284534A (en) * | 2003-03-24 | 2004-10-14 | Calsonic Kansei Corp | Air conditioner for vehicle |
| CN201354673Y (en) * | 2009-02-27 | 2009-12-02 | 苏州睿昕汽车配件有限公司 | Silicon oil fan clutch |
| CN102678255A (en) * | 2012-04-09 | 2012-09-19 | 山重建机有限公司 | Silicon oil fan control device of excavator |
-
2012
- 2012-12-20 CN CN201210558422.1A patent/CN103879261B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86100249A (en) * | 1986-01-18 | 1986-09-10 | 北京工业学院 | Fan temperaturing controling speed-regulating clutch |
| JP2004196150A (en) * | 2002-12-19 | 2004-07-15 | Suzuki Motor Corp | Air-conditioning controlling device for vehicle |
| JP2004284534A (en) * | 2003-03-24 | 2004-10-14 | Calsonic Kansei Corp | Air conditioner for vehicle |
| CN201354673Y (en) * | 2009-02-27 | 2009-12-02 | 苏州睿昕汽车配件有限公司 | Silicon oil fan clutch |
| CN102678255A (en) * | 2012-04-09 | 2012-09-19 | 山重建机有限公司 | Silicon oil fan control device of excavator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112483237A (en) * | 2020-12-08 | 2021-03-12 | 湖南行必达网联科技有限公司 | Electric control silicone oil fan control method, device and system and vehicle |
| CN112483237B (en) * | 2020-12-08 | 2022-01-11 | 湖南行必达网联科技有限公司 | Electric control silicone oil fan control method, device and system and vehicle |
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| Publication number | Publication date |
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| CN103879261B (en) | 2015-12-02 |
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