CN103879261B - A kind of fuel-efficient control method of on-board air conditioner and system - Google Patents
A kind of fuel-efficient control method of on-board air conditioner and system Download PDFInfo
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- CN103879261B CN103879261B CN201210558422.1A CN201210558422A CN103879261B CN 103879261 B CN103879261 B CN 103879261B CN 201210558422 A CN201210558422 A CN 201210558422A CN 103879261 B CN103879261 B CN 103879261B
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Abstract
The invention discloses the fuel-efficient control method of a kind of on-board air conditioner and system, the method comprises: testing environment temperature; And the rotation speed of the fan of described air-conditioning is regulated according to described ambient temperature.The present invention is regulated by the environmentally rotating speed of temperature to fan, avoids the waste of the engine output in the high-revolving situation not needing fan, reduces the consumption of energy well, reach good fuel-efficient effect.
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, when 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 field of heavy type, the application of electric-controlled silicon oil clutch fan widely, but is limited in by engine coolant temperature and intake manifold temperature to regulate the rotating speed of fan to reach the object of cooling down to the control of silicon oil clutch fan.
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, in ambient temperature higher than 30 degree, when chaufeur needs using air-condition, control electric-controlled silicon oil clutch fan full speed running by engine electronic control system module ECM, and in conjunction with the face velocity in vehicle travel process to promote the efficiency of air-conditioning cooling, meet cooling-down effect with this.Through test, when air-conditioning condenser does not need to lower the temperature time, fan is 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 the rotation speed of the fan of described air-conditioning is regulated according to described ambient temperature.
Present invention also offers a kind of on-board air conditioner and economize EFM Electronic Fuel Management, this system comprises: temperature sensor, for testing environment temperature; And controller, for regulating the rotation speed of the fan of described air-conditioning according to described ambient temperature.
Pass through technique scheme, the present invention is regulated by the environmentally rotating speed of temperature to fan, avoid the waste of the engine output in the high-revolving situation not needing fan, reduce the consumption of energy well, achieve good fuel-efficient effect.
Other features and advantages of the present invention are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is 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 detailed description of the invention 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 the method flow diagram that environmentally temperature provided by the invention controls 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 economizes EFM Electronic Fuel Management.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The present invention is found by test, and for the long-distance goods carrying vehicle of heavy type, be common economic rotating speed at engine speed, when namely per minute 1200 goes to 1400 turns, the average ground speed of vehicle is 70 to 80 kilometers per hour.Hot weather most high ambient temperature in southern area of China is 42 degree, hot weather most high ambient temperature in most of China area is 38 degree, when ambient temperature is 42 degree, the rotating speed of fan needs to go at per minute 1400 demand that 1600 turns just can meet air-conditioning cooling, and when ambient temperature is 38 degree, the rotating speed of fan only needs the demand that just can meet air-conditioning cooling per minute 300 turns.
By above test results, the ambient temperature in China's overwhelming majority area is at about 38 degree, the rotating speed of fan only needs the demand that just can meet air-conditioning cooling per minute 300 turns, and existing heavy high-speed goods carrying vehicle when opening air-conditioning, what all adopt is the mode that fan per minute 1400 goes to 1600 turns, running due to fan is that vehicle motor drives by driving belt, 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 feature that sales region is wide in overseas, need to take into account air conditioning function and vehicle fuel economizing effect, that is need two kinds of fan running patterns and deposit.The invention provides environmentally temperature to select the method and system of fan running pattern.
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 environmentally temperature regulates the rotation speed of the fan of air-conditioning.
Specifically, variation of ambient temperature, the change along with ambient temperature also changes by the rotation speed of the fan of air-conditioning, and when namely 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 the method flow diagram that environmentally temperature provided by the invention controls on-board air conditioner rotation speed of the fan, as shown in Figure 2, environmentally temperature regulates the rotation speed of the fan of air-conditioning can be realized by following steps: preset an ambient temperature threshold value, after ambient temperature being detected, comparing detecting the ambient temperature obtained with the ambient temperature threshold value preset, regulating the rotation speed of the fan of air-conditioning according to comparative result.
Specifically, when ambient temperature is greater than the ambient temperature threshold value preset, regulate the rotating speed of fan to make it rotate with the first pattern, when ambient temperature is less than or equal to the ambient temperature threshold value preset, regulate the rotating speed of fan to make it rotate with the second pattern.
Under preferable case, vehicle-mounted fan can be electric-controlled silicon oil clutch fan.
Under preferable case, the ambient temperature threshold value preset can be 40 degree.
The implementation that the first pattern above-described is rotated can be: the electric-controlled silicon oil clutch engagement controlling described electric-controlled silicon oil clutch fan, make described electric-controlled silicon oil clutch fan and engine belt pulley direct connection, rotate with engine belt pulley to make described fan.
For example, assumptions' environment temperature threshold is 40 degree, detecting the ambient temperature value obtained is 42 degree, detect the ambient temperature value obtained and be greater than ambient temperature threshold value, so control silicone oil flowing, thus 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, rotate with engine belt pulley to make described fan.Now, rotation speed of the fan is that per minute 1400 goes to 1600 turns.
The implementation that above-described the second pattern is rotated can be: the silicon oil clutch controlling fan is in released state, makes fan along with the rotation of silicone oil inertial flow.
For example, assumptions' environment temperature threshold is 40 degree, detecting the ambient temperature value obtained is 38 degree, detect the ambient temperature value obtained and be less than ambient temperature threshold value, so control silicon oil clutch to be in released state, fan does not rotate with engine belt pulley and only relies on silicone oil free-wheel, and now, rotation speed of the fan is 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%, be 3 months according to 30 degree to 38 degree temperature time lengths in summer, travelled distance 30000 kilometers calculating, the strategy that fan adopts the second pattern to rotate, can save oil consumption spending 2000 ~ 3000 yuan a summer.
Fig. 3 is the block diagram that on-board air conditioner provided by the invention economizes 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 controller regulates the rotation speed of the fan of air-conditioning according to the ambient temperature that temperature sensor detects.
Under preferable case, controller environmentally temperature regulates the rotation speed of the fan of air-conditioning can be realized by following steps: the ambient temperature that temperature sensor detects by controller and the ambient temperature threshold value preset compare, when ambient temperature is greater than ambient temperature threshold value, controller regulates fan to rotate with the first pattern, when 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 controls silicone oil flowing and makes fan direct connection engine belt pulley, rotates with engine belt pulley to make fan.
Wherein, the implementation that the second pattern is rotated can be: the silicon oil clutch that controller controls fan is in released state, makes fan along with the rotation of silicone oil inertial flow.
Under preferable case, controller is engine electronic control system module.
It should be noted that, about on-board air conditioner provided by the invention economize the detail of EFM Electronic Fuel Management and benefit corresponding with the fuel-efficient control method of on-board air conditioner provided by the invention, repeat no more in this.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; 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 regulated by the environmentally rotating speed of temperature to fan, by judging to ambient temperature deciding fan should rotate with which kind of pattern the demand meeting air-conditioning cooling, avoid the waste of the engine output in the high-revolving situation not needing fan, reduce the consumption of energy well, reach good fuel-efficient effect.
It should be noted that in addition, each the concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode.In order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different 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 (8)
1. the fuel-efficient control method of on-board air conditioner, it is characterized in that, the method comprises:
Testing environment temperature; And
The rotation speed of the fan of described air-conditioning is regulated according to described ambient temperature;
Environmentally temperature regulates the rotation speed of the fan of described air-conditioning to comprise:
Described ambient temperature and the ambient temperature threshold value preset are compared, when described ambient temperature is greater than described ambient temperature threshold value, regulates fan to rotate with the first pattern, otherwise, regulate fan to rotate with the second pattern.
2. method according to claim 1, is characterized in that, described fan is electric-controlled silicon oil clutch fan.
3. method according to claim 2, is characterized in that, described adjustment fan rotates with the first pattern and comprises:
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, rotate with engine belt pulley to make described fan.
4. method according to claim 2, is characterized in that, described adjustment fan rotates with the second pattern and comprises:
The silicon oil clutch controlling described fan is in released state, to make described fan along with the rotation of silicone oil inertial flow.
5. on-board air conditioner economizes an EFM Electronic Fuel Management, and it is characterized in that, this system comprises:
Temperature sensor, for testing environment temperature; And
Controller, for regulating the rotation speed of the fan of described air-conditioning according to described ambient temperature;
Described controller is used for described ambient temperature and the ambient temperature threshold value preset to compare, and when described ambient temperature is greater than described ambient temperature threshold value, regulates fan to rotate with the first pattern, otherwise, regulate fan to rotate with the second pattern.
6. system according to claim 5, is characterized in that, described fan is electric-controlled silicon oil clutch fan.
7. system according to claim 6, is characterized in that,
In the first pattern described, described controller controls the electric-controlled silicon oil clutch engagement of described electric-controlled silicon oil clutch fan, makes described electric-controlled silicon oil clutch fan and engine belt pulley direct connection, rotates to make described fan with engine belt pulley.
8. system according to claim 6, is characterized in that,
In described the second pattern, the silicon oil clutch that described controller controls described fan is in released state, to make described fan along with the rotation of silicone oil inertial flow.
Priority Applications (1)
| 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 |
|---|---|---|---|
| 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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| Publication Number | Publication Date |
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| CN103879261A CN103879261A (en) | 2014-06-25 |
| CN103879261B true CN103879261B (en) | 2015-12-02 |
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| CN201210558422.1A Active 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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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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 |
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| Publication number | Publication date |
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| CN103879261A (en) | 2014-06-25 |
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