CN110925073A - Engine cooling fan control system - Google Patents
Engine cooling fan control system Download PDFInfo
- Publication number
- CN110925073A CN110925073A CN201911181889.7A CN201911181889A CN110925073A CN 110925073 A CN110925073 A CN 110925073A CN 201911181889 A CN201911181889 A CN 201911181889A CN 110925073 A CN110925073 A CN 110925073A
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- Prior art keywords
- silicone oil
- engine
- power
- oil fan
- fan
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- 238000001816 cooling Methods 0.000 title claims abstract description 23
- 229920002545 silicone oil Polymers 0.000 claims abstract description 121
- 230000004044 response Effects 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 23
- 230000005540 biological transmission Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
- F01P7/048—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using electrical drives
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The invention discloses a control system of an engine cooling fan, which comprises a silicone oil fan; the power system comprises a power distributor, an engine and a motor fan sensor which are connected with the power distributor and used for detecting the rotating speed of the silicone oil fan; the controller is connected with the power system and the fan sensor; meanwhile, the controller is configured to: when the rotating speed of the silicone oil fan is lower than a threshold value, the power distributor is controlled to distribute the power of the engine to the motor, and the silicone oil fan is driven by the motor to improve the rotating speed of the silicone oil fan; when the rotating speed of the silicone oil fan is higher than the threshold value, the engine is controlled to drive the silicone oil fan to reduce the speed by controlling the power distributor. The rotating speed of the silicone oil fan can be increased through the motor under the condition that the rotating speed of the silicone oil fan is lower than a threshold value, and the response speed of the silicone oil fan is increased.
Description
Technical Field
The invention relates to the technical field of heat dissipation control, in particular to a control system of an engine cooling fan.
Background
In the running process of the automobile, the water temperature of the engine is continuously changed along with the change of the running environment and the working condition, and the water temperature of the engine needs to be adjusted in real time in order to ensure normal running. For example, in hot summer, when the engine works at a low rotating speed and a large load for a long time, the water temperature of the engine is high, and the temperature of the engine should be actively reduced at the moment; in winter, when the ambient temperature is too low or the vehicle is traveling at high speed with strong windward, the water temperature of the engine is low, and the temperature of the engine should be increased.
At present, a silicone oil fan is mainly adopted in a commercial vehicle to cool the water temperature of an engine, the silicone oil fan takes silicone oil as a medium, torque is transmitted to drive the fan to rotate, the existing electric control silicone oil fan monitors temperature signals such as the water temperature of the engine and the like through an Electronic Control Unit (ECU), and an electromagnetic valve inside a fan clutch automatically adjusts the rotating speed of the fan according to the information of temperature sensors of all parts provided by the ECU and according to the corresponding relation between the water temperature of the engine and the rotating speed of the fan set in the ECU.
Chinese patent document CN108518268A discloses a control method and a controller for an electric control silicone oil fan, wherein the controller is arranged in an engine compartment, a circuit board is arranged between an upper cover plate and a lower cover plate, electric elements arranged on the circuit board form a control circuit, and the control circuit comprises a CAN acquisition circuit, a MCU integrated circuit, a power supply circuit, and a PWM control circuit; the CAN acquisition circuit reads the operation parameters in the vehicle ECU and sends the operation parameters to the MCU integrated circuit; the MCU integrated circuit carries out logic judgment on the acquired operation parameters to form a fan control signal and sends the fan control signal to the PWM control circuit; the PWM control circuit converts the received fan control signal into a PWM signal for controlling the rotating speed of the fan; and the actual rotating speed value of the fan is dynamically controlled by reading the acquired real-time running parameters of the vehicle.
The method for controlling the rotating speed of the silicone oil fan is controlled by the engine, and when the engine works at a low rotating speed and a large load for a long time, the low rotating speed of the engine causes slow flowing of the silicone oil, so that the response of the silicone oil fan is slow, and the rotating speed is increased slowly.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an engine cooling fan control system which can increase the rotating speed of a silicone oil fan through a motor and increase the response speed of the silicone oil fan under the condition that the rotating speed of the silicone oil fan is lower than a threshold value.
In order to achieve the above purposes, the technical scheme adopted by the invention is as follows:
an engine cooling fan control system, comprising,
a silicone oil fan;
the power system comprises a power divider, an engine and a motor, wherein the engine and the motor are connected with the power divider;
a fan sensor for detecting the rotational speed of the silicone oil fan;
a controller coupled to both the power system and the fan sensor; at the same time, the user can select the desired position,
the controller is configured to:
when the rotating speed of the silicone oil fan is lower than a threshold value, distributing the power of the engine to the motor by controlling the power distributor, and driving the silicone oil fan through the motor to increase the rotating speed of the silicone oil fan;
and when the rotating speed of the silicone oil fan is higher than a threshold value, controlling the engine to drive the silicone oil fan to reduce the speed by controlling the power distributor.
On the basis of the technical scheme, the power system further comprises a generator, and the generator is connected with the power distributor and the motor and is used for converting the power of the engine into electric power and distributing the electric power to the motor.
On the basis of the technical scheme, the control system further comprises a storage battery, the storage battery is connected with the generator, and when the rotating speed of the silicone oil fan is lower than a threshold value, the generator is further used for charging the storage battery.
On the basis of the technical scheme, when the rotating speed of the silicone oil fan is higher than a threshold value, the power distributor enables a% of power in the power of the engine to act on the silicone oil fan, b% of power is converted into electric power through the generator, and the storage battery is charged, wherein 0< b < a.
On the basis of the technical scheme, the value range of b is 10-20, and the value range of a is 80-90.
On the basis of the technical scheme, the power system further comprises a frequency converter, and the generator is respectively connected with the storage battery and the motor through the frequency converter; the controller is also connected with the frequency converter and is used for controlling the frequency converter to be disconnected with the motor when the rotating speed of the silicone oil fan is higher than a threshold value; and when the rotating speed of the silicone oil fan is lower than a threshold value, controlling the frequency converter to be communicated with the motor.
On the basis of the technical scheme, the control system further comprises a transmission bridge, and the power distributor and the motor are connected with the silicone oil fan through the transmission bridge.
On the basis of the technical scheme, the motor is connected with the transmission bridge through an electromagnetic clutch, and the controller is also connected with the electromagnetic clutch and used for controlling the electromagnetic clutch to be disconnected when the rotating speed of the silicone oil fan is higher than a threshold value; and when the rotating speed of the silicone oil fan is lower than a preset threshold value, controlling the electromagnetic clutch to be closed.
On the basis of the technical scheme, the electromagnetic clutch is a multi-friction-plate electromagnetic clutch.
On the basis of the technical scheme, the controller is an Electronic Control Unit (ECU).
Compared with the prior art, the invention has the advantages that:
according to the engine cooling fan control system, when the engine works at a low rotating speed and under a heavy load for a long time, the water temperature of the engine is high, at the moment, the rotating speed of the silicone oil fan is lower than a threshold value, and the low rotating speed of the engine cannot rapidly drive the silicone oil fan to increase the rotating speed to reach the threshold value; when the rotating speed of the silicone oil fan is higher than the threshold value, the rotating speed of the engine is high at the moment, the engine can directly act on the silicone oil fan, the rotating speed of the silicone oil fan is rapidly reduced, and therefore the controller controls the engine to drive the silicone oil fan to reduce the speed or stop rotating by controlling the power distributor, so that the water temperature of the engine is prevented from being continuously reduced. The engine cooling fan control system provided by the embodiment of the invention can realize the quick adjustment of the rotating speed of the silicone oil fan under the conditions of high rotating speed and low rotating speed of the engine, so that the rotating speed of the silicone oil fan reaches a threshold value, and the water temperature of the engine is adjusted to the optimal temperature.
Drawings
Fig. 1 is a schematic structural diagram of an engine cooling fan control system according to an embodiment of the present invention.
In the figure: the system comprises a silicon oil fan 1, a power system 2, a power distributor 20, an engine 21, a motor 22, a generator 23, a frequency converter 24, a transmission bridge 25, an electromagnetic clutch 26, a fan sensor 3, a controller 4 and a storage battery 5.
Detailed Description
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Example 1:
referring to fig. 1, an embodiment of the present invention provides an engine cooling fan control system, which includes a silicone oil fan 1, a power system 2, a fan sensor 3, and a controller 4; the controller 4 is an electronic control unit ECU carried by the whole vehicle, the controller 4 does not need to be additionally arranged, and the electronic control unit ECU is connected with the engine 21, so that the arrangement and connection of lines are reduced. The threshold value of the rotating speed of the silicone oil fan 1 is calibrated in advance, the rotating speed of the silicone oil fan 1 when the water temperature of the engine is 90 ℃ is set as the threshold value, so that the water temperature of the engine is kept at 90 ℃, and the situation that the water temperature of the engine is too low, power is insufficient, and the water temperature is too high to influence the performance of the engine is prevented. The power system 2 comprises a power distributor 20, an engine 21 and a motor 22 which are connected with the power distributor 20, and the motor 22 is additionally arranged, so that when the engine works at a low rotating speed and under a heavy load for a long time, the water temperature of the engine is higher, and when the rotating speed of the silicone oil fan 1 is lower than a threshold value, the rotating speed of the engine 21 is low, so that the rotating speed of the silicone oil fan 1 cannot be rapidly increased to reduce the water temperature of the engine, the motor 22 is additionally arranged, the high rotating speed of the motor 22 is used for increasing power to the silicone oil fan 1, and the rotating speed of the silicone oil fan 1 is rapidly rotated to the threshold value to reduce the water temperature; the embodiment of the invention is used for detecting the rotating speed of the silicone oil fan 1 through the fan sensor 3; the controller 4 is connected with both the power system 2 and the fan sensor 3; meanwhile, the controller 4 is configured to receive the rotation speed of the silicone oil fan 1 detected by the fan sensor 3, and determine a relationship between the rotation speed of the silicone oil fan 1 and a threshold, and when the rotation speed of the silicone oil fan 1 is lower than the threshold, the rotation speed of the engine 21 is low at this time, and direct action on the silicone oil fan 1 may cause slow response of the silicone oil fan 1, and rapid increase of the rotation speed cannot be achieved, so that the controller 4 controls the power distributor 20 to distribute power of the engine 21 to the motor 22, and drives the silicone oil fan 1 through the high rotation speed of the motor 22 to increase the rotation speed of the silicone oil fan 1, and achieve rapid response of the silicone oil fan 1, thereby reducing the water temperature of; when the rotating speed of the silicone oil fan 1 is higher than the threshold value, at this time, the rotating speed of the engine 21 is fast, and the engine can directly act on the silicone oil fan 1 to rapidly reduce the rotating speed of the silicone oil fan 1, so that the controller 4 controls the engine 21 to drive the silicone oil fan 1 to reduce the speed or stop rotating by controlling the power distributor 20, so as to prevent the water temperature of the engine from being reduced continuously.
The working principle of the engine cooling fan control system provided by the embodiment of the invention is as follows:
when the engine works at a low rotating speed and under a heavy load for a long time, the water temperature of the engine is high, at this time, the rotating speed of the silicone oil fan 1 is lower than a threshold value, but the low rotating speed of the engine 21 cannot rapidly drive the silicone oil fan 1 to increase the rotating speed to reach the threshold value, therefore, the embodiment of the invention additionally provides the motor 22, and in this case, the controller 4 controls the power distributor 20 to distribute the power of the engine 21 to the motor 22 and drives the silicone oil fan 1 at the high rotating speed of the motor 22 to increase the rotating speed of the silicone oil fan 1, thereby achieving the rapid response of the silicone oil fan 1 and reducing the water temperature of the engine; when the rotating speed of the silicone oil fan 1 is higher than the threshold value, the rotating speed of the engine 21 is fast at this time, and the engine can directly act on the silicone oil fan 1 to rapidly reduce the rotating speed of the silicone oil fan 1, so that the controller 4 controls the engine 21 to drive the silicone oil fan 1 to reduce the speed or stop rotating by controlling the power distributor 20, so as to prevent the water temperature of the engine from being reduced continuously. The engine cooling fan control system provided by the embodiment of the invention can realize the quick adjustment of the rotating speed of the silicone oil fan 1 under the conditions of high rotating speed and low rotating speed of the engine 21, so that the rotating speed of the silicone oil fan 1 reaches a threshold value, and the water temperature of the engine is adjusted to the optimal temperature. In addition, the power source of the silicone oil fan 1 in embodiment 1 of the present invention is the engine 21, and only when the rotation speed of the engine 21 is low, the power is converted into a large rotation speed through the electric motor 22 to rapidly drive the silicone oil fan 1, so that the manner is more energy-saving and more efficient.
Example 2:
the basic contents of embodiment 2 of the present invention are the same as embodiment 1, except that:
the power system 2 of embodiment 2 of the invention further includes a generator 23, and the generator 23 is connected to the power divider 20 and the motor 22, and is configured to convert the power of the engine 21 into electric power and distribute the electric power to the motor 22. When the rotation speed of the silicone oil fan 1 is lower than the threshold value, the controller 4 controls the power distributor 20 to distribute the power of the engine 21 to the generator 23, the generator 23 converts the power into electric power and transmits the electric power to the motor 22, and the motor 22 converts the electric power into power to drive the silicone oil fan 1 to rotate rapidly.
Example 3:
the basic contents of embodiment 3 of the present invention are the same as embodiment 2, except that:
the control system further comprises a storage battery 5, the storage battery 5 is connected with a generator 23, when the rotating speed of the silicone oil fan 1 is lower than a threshold value, the controller 4 controls the power distributor 20 to distribute power of the engine 21 to the generator 23, the generator 23 converts the power into electric power, one part of the electric power is transmitted to the motor 22, the motor 22 converts the electric power into power to drive the silicone oil fan 1 to rotate rapidly, the rest part of the electric power is transmitted to the storage battery 5 to charge the storage battery 5, and the storage battery 5 is used for supplying power to electrical components of the whole vehicle during the operation of the whole vehicle.
Example 4:
the basic contents of embodiment 4 of the present invention are the same as embodiment 3, except that:
when the rotation speed of the silicone oil fan 1 is higher than the threshold value, the power distributor 20 applies a% of the power of the engine 21 to the silicone oil fan 1, and b% of the power is converted into electric power by the generator 23 and charges the battery 5, wherein 0< b < a. The value range of b is 10-20, and the value range of a is 80-90. That is, when the rotating speed of the silicone oil fan 1 is higher than the threshold value, because the rotating speed of the engine 21 is fast, the power distributor 20 applies most of the power of the engine 21 to the silicone oil fan 1, and ensures that the silicone oil fan 1 can respond fast to reduce the rotating speed of the silicone oil fan 1, distributes the remaining small part of the power to the generator 23, the generator 23 converts the power into electric power, transmits the electric power to the storage battery 5, charges the storage battery 5, ensures that the storage battery 5 can keep an electric state in the whole operation process of the whole vehicle, and ensures that the electric components of the whole vehicle are not powered off.
Example 5:
the basic contents of the embodiment 5 of the present invention are the same as those of the embodiment 4, except that:
the power system of embodiment 5 of the invention further comprises a frequency converter 24, and the generator 23 is respectively connected with the storage battery 5 and the motor 22 through the frequency converter 24; the controller 4 is also connected with the frequency converter 24 and is used for controlling the frequency converter 24 to be disconnected with the motor 22 when the rotating speed of the silicone oil fan 1 is higher than a threshold value, so that the remaining small part of power can be distributed to the generator 23, the generator 23 converts the power into electric power, the electric power is directly transmitted to the storage battery 5 to charge the storage battery 5, and the electric power is not transmitted to the motor 22; when the rotation speed of the silicone oil fan is lower than the threshold value, the controller 4 controls the inverter 24 to be communicated with the motor 22, and distributes the power of the engine 21 to the generator 23 by controlling the power distributor 20, the generator 23 converts the power into electric power and transmits a part of the electric power to the motor 22, the motor 22 converts the electric power into power to drive the silicone oil fan 1 to rotate rapidly, and the rest is transmitted to the storage battery 5 and charges the storage battery 5.
Example 6:
the basic contents of embodiment 6 of the present invention are the same as embodiment 1, except that:
the control system of embodiment 6 of the present invention further includes a transmission bridge 25, and the power distributor 20 and the motor 22 are connected to the silicone oil fan 1 through the transmission bridge 25. The motor 22 is connected with the transmission bridge 25 through the electromagnetic clutch 26, the controller 4 is also connected with the electromagnetic clutch 26 and is used for controlling the electromagnetic clutch 26 to be disconnected when the rotating speed of the silicone oil fan 1 is higher than a threshold value, because the engine 21 directly acts on the silicone oil fan 1 at the moment, the silicone oil fan 1 rotates and can reversely drive the motor 22 to rotate, so that a part of loss of the silicone oil fan 1 is caused, and the electromagnetic clutch 26 is disconnected, so that the silicone oil fan 1 is disconnected with the motor 22; when the rotating speed of the silicone oil fan 1 is lower than the preset threshold value, the electromagnetic clutch 26 is controlled to be closed, so that the silicone oil fan 1 is communicated with the motor 22.
Preferably, the electromagnetic clutch 26 is a multi-disk electromagnetic clutch. The driven part can be combined with or separated from the driving part under the condition that the driving part operates. Thereby realizing the connection or disconnection of the silicone oil fan 1 and the motor 22.
The specific working method of the engine cooling fan control system provided by the embodiment of the invention comprises the following steps:
the fan sensor 3 detects the rotating speed of the silicone oil fan 1 and transmits the rotating speed to the controller 4, the controller 4 receives the rotating speed of the silicone oil fan 1 and compares the rotating speed with a threshold value, when the rotating speed of the silicone oil fan 1 is lower than the threshold value, the controller 4 controls the frequency converter 24 to be communicated with the motor 22, the electromagnetic clutch 26 is closed, power of the engine 21 is distributed to the generator 23 by controlling the power distributor 20, the generator 23 converts the power into electric power and transmits the electric power to the frequency converter 24, the frequency converter 24 transmits a small part of the electric power to the storage battery 5, a large part of the electric power is transmitted to the motor 22, and the motor 22 drives the silicone oil fan 1 to rotate rapidly through the transmission bridge 25, so that the rotating speed of the silicone oil fan 1 is increased, the rapid.
When the rotating speed of the silicone oil fan 1 is higher than the threshold value, the controller 4 controls the frequency converter 24 to be disconnected from the motor 22, the electromagnetic clutch 26 is disconnected, the power distributor 20 is controlled, the engine 21 is controlled to apply most of power to the transmission bridge 25, the silicone oil fan 1 is driven to reduce the speed or stop rotating through the transmission bridge 25, a small part of power is distributed to the generator 23, the generator 23 converts the power into electric power and transmits the electric power to the frequency converter 24, and the frequency converter 24 transmits a small part of the electric power to the storage battery 5.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone with the teaching of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as the present invention, are within the protection scope.
Claims (10)
1. An engine cooling fan control system, characterized in that it comprises,
a silicone oil fan (1);
the power system (2) comprises a power divider (20), an engine (21) and a motor (22) which are connected with the power divider (20);
a fan sensor (3) for detecting the rotational speed of the silicone oil fan (1);
a controller (4) connected to both the power system (2) and the fan sensor (3); at the same time, the user can select the desired position,
the controller (4) is configured to:
when the rotating speed of the silicone oil fan (1) is lower than a threshold value, distributing the power of the engine (21) to the motor (22) by controlling the power distributor (20), and driving the silicone oil fan (1) through the motor (22) to increase the rotating speed of the silicone oil fan (1);
when the rotating speed of the silicone oil fan (1) is higher than a threshold value, the engine (21) is controlled to drive the silicone oil fan (1) to reduce the speed by controlling the power distributor (20).
2. The engine-cooling fan control system according to claim 1, characterized in that the power system (2) further includes a generator (23), and the generator (23) is connected to the power divider (20) and the motor (22) and is configured to convert the power of the engine (21) into electric power and distribute it to the motor (22).
3. Engine cooling fan control system according to claim 2, characterized in that it further comprises a battery (5), said battery (5) being connected to said generator (23), said generator (23) being further adapted to charge said battery (5) when the rotational speed of said silicone oil fan (1) is below a threshold value.
4. The engine-cooling fan control system according to claim 3, characterized in that when the rotational speed of the silicone oil fan (1) is higher than a threshold value, the power distributor (20) applies a% of the power of the engine (21) to the silicone oil fan (1), and b% of the power is converted into electric power by the generator (23), and the battery (5) is charged, where 0< b < a.
5. The engine cooling fan control system of claim 4, wherein b ranges from 10 to 20 and a ranges from 80 to 90.
6. The engine-cooling fan control system according to claim 3, characterized in that the power system further includes an inverter (24), and the generator (23) is connected to the battery (5) and the motor (22) via the inverter (24), respectively; the controller (4) is also connected with the frequency converter (24) and is used for controlling the frequency converter (24) to be disconnected with the motor (22) when the rotating speed of the silicone oil fan (1) is higher than a threshold value; and when the rotating speed of the silicone oil fan is lower than a threshold value, controlling the frequency converter (24) to be communicated with the motor (22).
7. Engine cooling fan control system according to claim 1, characterized in that it further comprises a drive axle (25), said power distributor (20) and said electric motor (22) being connected to said silicone oil fan (1) through said drive axle (25).
8. The engine-cooling fan control system of claim 7, characterized in that the electric motor (22) is connected to the transaxle (25) through an electromagnetic clutch (26), and the controller (4) is further connected to the electromagnetic clutch (26) and is configured to control the electromagnetic clutch (26) to be turned off when the rotation speed of the silicone oil fan (1) is higher than a threshold value; and when the rotating speed of the silicone oil fan (1) is lower than a preset threshold value, controlling the electromagnetic clutch (26) to be closed.
9. The engine-cooling fan control system of claim 8, characterized in that the electromagnetic clutch (26) is a multi-disk electromagnetic clutch.
10. Engine cooling fan control system according to claim 1, characterized in that the controller (4) is an electronic control unit ECU.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911181889.7A CN110925073A (en) | 2019-11-27 | 2019-11-27 | Engine cooling fan control system |
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| CN201911181889.7A CN110925073A (en) | 2019-11-27 | 2019-11-27 | Engine cooling fan control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112145278A (en) * | 2020-06-30 | 2020-12-29 | 东风马勒热系统有限公司 | Electric control silicone oil fan clutch of hybrid power type motor |
| CN113586223A (en) * | 2021-08-27 | 2021-11-02 | 潍柴动力股份有限公司 | Rotating speed control method and device of electric control silicone oil fan and vehicle |
| CN113898603A (en) * | 2021-08-31 | 2022-01-07 | 东风商用车有限公司 | Finished automobile fan control system and method |
| CN114810317A (en) * | 2022-04-24 | 2022-07-29 | 一汽解放汽车有限公司 | Control method and control system for silicone oil fan clutch |
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| CN112145278A (en) * | 2020-06-30 | 2020-12-29 | 东风马勒热系统有限公司 | Electric control silicone oil fan clutch of hybrid power type motor |
| CN112145278B (en) * | 2020-06-30 | 2022-03-15 | 东风马勒热系统有限公司 | Electric control silicone oil fan clutch of hybrid power type motor |
| CN113586223A (en) * | 2021-08-27 | 2021-11-02 | 潍柴动力股份有限公司 | Rotating speed control method and device of electric control silicone oil fan and vehicle |
| CN113898603A (en) * | 2021-08-31 | 2022-01-07 | 东风商用车有限公司 | Finished automobile fan control system and method |
| CN113898603B (en) * | 2021-08-31 | 2024-05-24 | 东风商用车有限公司 | Whole vehicle fan control system and method |
| CN114810317A (en) * | 2022-04-24 | 2022-07-29 | 一汽解放汽车有限公司 | Control method and control system for silicone oil fan clutch |
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