阅读说明：本技术 一种离合散热系统、离合器散热方法和车辆 (Clutch heat dissipation system, clutch heat dissipation method and vehicle ) 是由 张恩 俞东海 *** 欧晨阳 于 2019-10-21 设计创作，主要内容包括：本申请实施例提供一种离合散热系统、离合器散热方法和车辆,涉及离合器散热技术领域。离合散热系统用于开设有流体进口的离合器总成,离合器散热系统包括检测器、控制器及控制阀组件。控制阀组件连接于流体进口,且用于控制流体进口的开闭。控制器与检测器和控制阀组件通信连接。检测器与离合踏板连接且用于检测离合踏板是否下压。检测器检测到离合踏板下压时,控制器控制控制阀组件打开,以使流体经过流体进口流向离合器总成。散热方法包括判断离合踏板是否下压；在离合踏板下压时控制流体流经离合器总成。通过离合散热系统实现离合器总成主动散热目的,改善车辆起步抖动、离合器打滑等情况,降低离合器总成故障率,提升用户体验。(The embodiment of the application provides a clutch heat dissipation system, a clutch heat dissipation method and a vehicle, and relates to the technical field of clutch heat dissipation. The clutch heat dissipation system is used for a clutch assembly provided with a fluid inlet and comprises a detector, a controller and a control valve component. The control valve assembly is connected to the fluid inlet and is used for controlling the opening and closing of the fluid inlet. The controller is communicatively coupled to the detector and the control valve assembly. The detector is connected with the clutch pedal and is used for detecting whether the clutch pedal is pressed down. When the detector detects that the clutch pedal is pressed down, the controller controls the control valve assembly to be opened so that fluid flows to the clutch assembly through the fluid inlet. The heat dissipation method comprises the steps of judging whether a clutch pedal is pressed down; fluid flow through the clutch assembly is controlled when the clutch pedal is depressed. The purpose of active heat dissipation of the clutch assembly is achieved through the clutch heat dissipation system, the situations of vehicle starting jitter, clutch slippage and the like are improved, the failure rate of the clutch assembly is reduced, and the user experience is improved.)

1. A clutched heat dissipation system for a clutch assembly (20), the clutch assembly (20) being provided with a fluid inlet (245), the clutched heat dissipation system (100) comprising:

a control valve assembly (12) connected to the fluid inlet (245), the control valve assembly (12) for controlling the opening and closing of the fluid inlet (245);

the detector (10) is connected with a clutch pedal (26) and is used for detecting whether the clutch pedal (26) is pressed down or not;

a controller (11) communicatively coupled to the detector (10) and the control valve assembly (12);

the controller (11) is used for controlling the control valve assembly (12) to be opened when the detector (10) detects that the clutch pedal (26) is pressed down, so that the fluid flowing through the fluid inlet (245) can flow through the clutch assembly (20).

2. The clutched heat dissipation system of claim 1, wherein the control valve assembly (12) comprises a solenoid valve (13) and a fluid tube (14), one end of the fluid tube (14) is connected to the fluid inlet (245), and the solenoid valve (13) is disposed on the fluid tube (14) for blocking or allowing fluid to flow into the clutch assembly (20) through the fluid tube (14), the fluid inlet (245).

3. The clutched heat dissipation system of claim 1, wherein the clutched heat dissipation system (100) further comprises a fluid source (15), the fluid source (15) being configured to provide fluid to the clutch assembly (20).

4. The clutch heat dissipation system according to any one of claims 1-3, wherein the clutch assembly (20) comprises an engine flywheel housing (24) and a transmission clutch housing (25) that are fastened to each other, one of the engine flywheel housing (24) and the transmission clutch housing (25) is provided with the fluid inlet (245), and the other of the engine flywheel housing (24) and the transmission clutch housing (25) is provided with a fluid outlet (255);

fluid flowing through the control valve assembly (12) flows into the clutch assembly (20) from the fluid inlet (245) and out of the fluid outlet (255).

5. The clutched heat dissipation system of claim 4, wherein the clutch assembly (20) includes first and second opposing ends, the fluid inlet (245) being located at the first end and the fluid outlet (255) being located at the second end.

6. The clutched heat dissipation system of any one of claims 1-3, wherein the clutched heat dissipation system (100) comprises a temperature sensor (16) in communicative connection with the controller (11);

the temperature sensor (16) is arranged in the clutch assembly (20) and used for detecting the temperature in the clutch assembly (20), and the controller (11) is used for controlling the on-off of the control valve assembly (12) according to the detection result of the temperature sensor (16).

7. Clutch cooling system according to claim 6, wherein the clutch assembly (20) comprises a flywheel (21) and a driven plate (22) cooperating with each other, the temperature sensor (16) being arranged between the flywheel (21) and the driven plate (22) for detecting a friction temperature between the flywheel (21) and the driven plate (22).

8. A method of dissipating heat from a clutch, comprising:

judging whether a clutch pedal (26) is pressed down;

control fluid is able to flow through the clutch pack (20) when the clutch pedal (26) is depressed to dissipate heat from the clutch pack (20).

9. The method for dissipating heat from a clutch of claim 8, further comprising:

acquiring a real-time temperature of the clutch assembly (20);

preventing fluid from entering the clutch assembly (20) when the real-time temperature is less than or equal to a preset temperature.

10. A vehicle, characterized in that it comprises a clutched heat dissipation system (100) of any one of claims 1-7.

Technical Field

The invention relates to the technical field of clutch heat dissipation, in particular to a clutch heat dissipation system, a clutch heat dissipation method and a vehicle.

Background

As heavy vehicles develop toward high horsepower, large packing force clutches that match high horsepower engines are also used.

The existing large pressing force clutch is easy to be abnormal when a vehicle starts, and user experience is influenced.

Disclosure of Invention

The object of the present invention includes, for example, providing a clutch heat dissipation system, a clutch heat dissipation method and a vehicle, which can dissipate heat of a clutch assembly through the clutch heat dissipation system, alleviate an abnormality of the clutch assembly caused by sliding friction overheating, and improve user experience.

Embodiments of the invention may be implemented as follows:

in a first aspect, an embodiment of the present invention provides a clutch heat dissipation system for a clutch assembly, where the clutch assembly is provided with a fluid inlet, and the clutch heat dissipation system includes:

a control valve assembly connected to the fluid inlet, the control valve assembly for controlling the opening and closing of the fluid inlet;

the detector is connected with the clutch pedal and used for detecting whether the clutch pedal is pressed down;

a controller communicatively coupled to the detector and the control valve assembly;

the controller is configured to control the control valve assembly to open to enable fluid flowing through the fluid inlet to flow through the clutch assembly when the detector detects depression of the clutch pedal.

In the clutch heat dissipation system provided by the embodiment, when the detector detects that the clutch pedal is pressed down, a signal is sent to the controller, the controller receives the signal and then sends an instruction to the control valve assembly to control the control valve assembly to be opened, so that fluid flowing through the control valve assembly flows through the clutch assembly to take away heat in the clutch assembly, the purpose of heat dissipation is achieved, the friction coefficient of a friction material in the clutch assembly tends to be stable, the heat fading of an elastic part in the clutch assembly is relieved, the pressing force and the torque transmission capacity in the clutch assembly are kept stable, the conditions of vehicle starting shaking, clutch slipping and the like caused by abnormal abrasion and reduction of the torque transmission capacity of the clutch assembly are improved, the failure rate of the clutch assembly is effectively reduced, and good experience of users is improved.

In an alternative embodiment, the control valve assembly includes a solenoid valve and a fluid pipe, one end of the fluid pipe is connected to the fluid inlet, and the solenoid valve is disposed on the fluid pipe and is used for blocking or allowing fluid to flow into the clutch assembly through the fluid pipe and the fluid inlet.

In an alternative embodiment, the clutch heat dissipation system further comprises a fluid source for providing fluid to the clutch assembly.

In an optional embodiment, the clutch assembly further comprises an engine flywheel housing and a transmission clutch housing which are fastened with each other, one of the engine flywheel housing and the transmission clutch housing is provided with the fluid inlet, and the other of the engine flywheel housing and the transmission clutch housing is provided with the fluid outlet;

fluid flowing through the control valve assembly flows into the clutch assembly from the fluid inlet and out the fluid outlet.

In an alternative embodiment, the clutch assembly includes opposite first and second ends, the fluid inlet is located at the first end and the fluid outlet is located at the second end.

In an alternative embodiment, the clutch heat dissipation system further comprises a temperature sensor in communication with the controller;

the temperature sensor is arranged in the clutch assembly and used for detecting the temperature in the clutch assembly, and the controller is used for controlling the on-off of the control valve assembly according to the detection result of the temperature sensor.

In an alternative embodiment, the clutch assembly includes a flywheel and a driven plate, which are engaged with each other, and the temperature sensor is disposed between the flywheel and the driven plate and is used for detecting a friction temperature between the flywheel and the driven plate.

In a second aspect, an embodiment of the present invention provides a clutch heat dissipation method, including:

judging whether a clutch pedal is pressed down or not;

control fluid is able to flow through the clutch assembly when the clutch pedal is depressed to dissipate heat from the clutch assembly.

According to the clutch heat dissipation method provided by the embodiment, when the vehicle is started and in gear or is shifted, whether the clutch pedal is pressed down is judged, and when the clutch pedal is pressed down, the fluid is controlled to flow through the clutch assembly, so that heat in the clutch assembly is taken away in the process that the fluid flows through the clutch assembly, and the clutch assembly is cooled. The friction coefficient of friction materials in the clutch assembly and the torque transmission capacity of the clutch assembly are kept stable, the conditions of abnormal abrasion of the clutch assembly, vehicle starting jitter, clutch slippage and the like are improved, and the failure rate of the clutch assembly is effectively reduced.

In an alternative embodiment, the clutch heat dissipation method further comprises;

acquiring the real-time temperature of the clutch assembly;

when the real-time temperature is less than or equal to a preset temperature, fluid is prevented from entering the clutch assembly.

In a third aspect, an embodiment of the present invention provides a vehicle including the clutch heat dissipation system according to any one of the foregoing embodiments.

The beneficial effects of the embodiment of the invention at least comprise, for example:

when the vehicle is started and put into gear or is shifted, the clutch heat dissipation system can actively dissipate heat of the clutch assembly of the vehicle by adopting the heat dissipation method, so that the conditions of abnormal abrasion, vehicle starting shake, clutch slipping and the like caused by sliding friction overheating of the clutch assembly are improved, the attendance rate of the vehicle is further improved, and the use experience of a user is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a clutch cooling system according to an embodiment of the present application.

Icon: 100-clutch cooling system; 10-a detector; 11-a controller; 12-a control valve assembly; 13-a solenoid valve; 14-a fluid pipe; 15-a fluid source; 16-a temperature sensor; 20-a clutch assembly; 21-a flywheel; 22-a driven disc; 23-a clutch cover; 24-engine flywheel housing; 245-a fluid inlet; 25-gearbox clutch housing; 255-a fluid outlet; 26-clutch pedal; 27-a gearbox clutch operating system; 28-auxiliary gas system.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. indicate an orientation or a positional relationship based on that shown in the drawings or that the product of the present invention is used as it is, this is only for convenience of description and simplification of the description, and it does not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

Furthermore, the appearances of the terms "first," "second," and the like, if any, are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.