CN215475056U

CN215475056U - Electric automobile braking system

Info

Publication number: CN215475056U
Application number: CN202121303720.7U
Authority: CN
Inventors: 陈步高; 陈振宇; 张栋梁; 陈永青
Original assignee: Yancheng Bugao Auto Parts Manufacturing Co ltd
Current assignee: Yancheng Bugao Auto Parts Manufacturing Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-01-11
Anticipated expiration: 2031-06-10

Abstract

The utility model relates to an electric automobile braking system which comprises an electric air pump and a brake disc, wherein the brake disc is of a double-layer structure, a braking mechanism is fixedly installed on the end face of the inner side of the brake disc, the opening and closing air transmission pipeline of the braking mechanism is connected with the air transmission pipeline of a valve group, the input port of the valve group is in butt joint with the output port of the electric air pump, an electronic control module is assembled between the input port of the valve group and the electric air pump, and the auxiliary input port of the valve group is in butt joint with the output port of an air booster. The utility model adopts the electric air pump to cooperate with the electronic control module to detect the pressure in the air transmission pipeline, and the pressure value required by the pneumatic control brake is fixed, so that when the pressure in the air transmission pipeline reaches a certain peak value, the pressure relief equipment arranged in the air transmission pipeline can cooperate with the pipeline to input the decompressed air into the brake disc and discharge the decompressed air inwards and outwards, thereby achieving the internal air flow conversion and playing the effect of cooling the brake disc.

Description

Electric automobile braking system

Technical Field

The utility model relates to the technical field of automobile auxiliary braking, in particular to an electric automobile braking system.

Background

A vehicle brake system refers to a series of special devices that apply a certain force to certain parts of the vehicle, thereby applying a certain degree of positive braking thereto. The braking system has the following functions: the running automobile is forced to decelerate or even stop according to the requirement of a driver; stably parking the stopped automobile under various road conditions; the speed of the vehicle running on the downhill is kept stable.

However, in the auxiliary braking process, the temperature of the brake disc at the wheel part of the automobile is rapidly increased due to the severe friction of the brake disc, and the service life of the brake disc is rapidly reduced in a long-term use state.

Therefore, according to the above problems, the present invention provides a brake system for an auxiliary electric vehicle, which is equipped with a pressure control brake mechanism and a cooling mechanism, and is effectively matched with the safe running of the electric vehicle.

Disclosure of Invention

In order to solve the problems, the utility model discloses an electric automobile braking system which can complete auxiliary braking through a built-in air pressure conveying system, and can realize built-in pressure relief of an electric automobile and matching of a pressure applying system and a brake disc for cooling.

The utility model provides an electric automobile braking system which comprises an electric air pump and a brake disc, wherein the brake disc is of a double-layer structure, a braking mechanism is fixedly installed on the end face of the inner side of the brake disc, the braking mechanism is communicated with a valve group through an air conveying pipeline and is in air conveying connection with the valve group, an input port of the valve group is in butt joint with an output port of the electric air pump, an electronic control module is assembled between the input port of the valve group and the electric air pump, and an auxiliary input port of the valve group is in butt joint with an output port of an air booster.

Further, the valve bank comprises a first three-way valve, a second three-way valve and a third three-way valve, and the first three-way valve, the second three-way valve and the third three-way valve are communicated with each other through pipelines.

Furthermore, a middle valve port of the first three-way valve is communicated with an air pressure controller arranged at an output port of the electronic control module through a pipeline, a right valve port of the first three-way valve is communicated with a one-way backflow valve through a pipeline, and a backflow port of the one-way backflow valve is communicated with an input port of the electric air pump through a pipeline.

Furthermore, the middle valve port of the second three-way valve is communicated with the input port of the brake mechanism through a pipeline, the valve ports on the left side and the right side of the second three-way valve are respectively communicated with the first three-way valve and the third three-way valve, the middle valve port of the third three-way valve is communicated with the pressure release valve through a pipeline, and the output port on the right side of the pressure release valve is communicated with the port of the backflow air cavity.

Furthermore, the brake disc is formed by clamping a packaging plate and a bearing plate, a radiator is assembled on the inner wall of the bearing plate, an input port of the radiator is in butt joint with the brake mechanism and an output pipeline, an output end of the radiator is communicated with a radiating hole formed in the bearing plate, and the section of the top of the radiator is in ejection contact with an assembling block installed on the end face of the inner side of the packaging plate.

Furthermore, a friction layer is fixedly arranged on the end face of the outer side of the bearing plate through a heat conduction fin plate.

By adopting the structure, compared with the prior art, the utility model adopts the electric air pump to be matched with the electronic control module to detect the pressure in the air transmission pipeline, and the pressure value required by the pneumatic control brake is fixed, so that when the pressure of the air transmission pipeline reaches a certain peak value, the pressure relief equipment arranged in the air transmission pipeline can be matched with the pipeline to input the decompressed air into the brake disc and is discharged from the inside to the outside, thereby achieving the internal air flow conversion and playing the effect of cooling the brake disc.

Drawings

FIG. 1 is a diagram of an electric vehicle braking system according to the present invention.

Fig. 2 is a schematic diagram of an internal structure of a brake disc of an electric vehicle braking system according to the present invention.

Fig. 3 is a right side view of a brake disc of the braking system of the electric automobile.

List of reference numerals: 1 is an electric air pump, 4 is an electronic control module, 5 is an air pressure controller, 6 is a first three-way valve, 7 is a second three-way valve, 8 is a brake mechanism, 9 is a third three-way valve, 10 is a pressure release valve, 11 is a backflow air cavity port, 12 is an air pressure booster, 13 is a single backflow valve, 14 is a brake disc, 15 is an assembly block, 16 is a friction layer, 17 is a heat conduction fin plate, 18 is a radiator and 19 is a heat dissipation hole;

14-1 is a packaging plate, and 14-2 is a bearing plate.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the utility model and not as limiting the scope of the utility model. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1 and fig. 2, an electric automobile braking system, including electronic air pump and brake disc, brake disc 14 is bilayer structure, 14 medial extremity end fixed mounting of brake disc has brake mechanism 8, brake mechanism 8 leads to close the gas transmission pipeline and is connected with the gas transmission of valves, the input port of valves and the output port butt joint of electronic air pump 1, be equipped with electronic control module 4 between the input port of valves and the electronic air pump 1, the supplementary input port of valves and the output port butt joint of air pressure booster 12. The utility model adopts a double-layer brake disc 14 to cooperate with an electro-pneumatic system to complete auxiliary braking and gas discharging and cooling procedures from inside to outside; in the process of auxiliary braking of the automobile, the pneumatic output equipment can regulate and control the pressure of a built-in pipeline at any time through the electronic control module 4 and the air pressure controller 5, when the pressure output reaches and exceeds a peak value, a pressure relief process is completed through a valve bank and a pressure relief mechanism in the pipeline, the decompressed backflow gas is discharged from a pipeline built in the brake disc 14 through the pipeline, and the brake disc 14 can be cooled in an air cooling mode in the process of discharging the gas.

As shown in fig. 1, the valve group includes a first three-way valve 6, a second three-way valve 7 and a third three-way valve 9, and the first three-way valve 6, the second three-way valve 7 and the third three-way valve 9 are communicated with each other through pipelines. The middle valve port of the first three-way valve 6 is communicated with an air pressure controller 5 arranged at an output port of the electronic control module 4 through a pipeline, the right valve port of the first three-way valve 6 is communicated with a one-way return valve 13 through a pipeline, and a return port of the one-way return valve 13 is communicated with an input port of the electric air pump 1 through a pipeline. The middle valve port of the second three-way valve 7 is communicated with the input port of the brake mechanism 8 through a pipeline, the valve ports on the left side and the right side of the second three-way valve 7 are respectively communicated with the first three-way valve 6 and the third three-way valve 9, the middle valve port of the third three-way valve 9 is communicated with the pressure release valve 10 through a pipeline, and the output port on the right side of the pressure release valve 10 is communicated with the return air cavity port 11. The valve group structure mainly comprises three groups of three-way valves, wherein the first three-way valve 6 is used as an input valve and can respectively transmit gas output by the electric air pump 1 to the second three-way valve 7 and the third three-way valve 9; gas is input into the braking mechanism 8 by the second three-way valve 7 to cooperate with the auxiliary braking of the automobile; when the pressure of the gas in the pipe reaches a certain peak value, the second three-way valve 7 can adjust the pressure of the redundant gas through the matching of a rear special valve; the regulation is stopped when the air pressure reaches a certain pressure. When the air pressure in the pipeline does not reach or is lower than a standard value, the air pressure booster 12 arranged behind the third three-way valve 9 can be started, and the air pressure booster 12 is matched to complete an air pressure compensation process. The air pressure compensation process is a preparatory measure for the occurrence of problems in the internal piping.

As shown in fig. 1, 2 and 3, the brake disc 14 is formed by clamping a packaging plate 14-1 and a bearing plate 14-2, a radiator 18 is assembled on the inner wall of the bearing plate 14-2, an input port of the radiator 18 is butted with a braking mechanism 8 and an output pipeline, an output end of the radiator 18 is communicated with a heat dissipation hole 19 formed in the bearing plate 14-2, and the top section of the radiator 18 is in ejection contact with an assembling block arranged on the end face of the inner side of the packaging plate 14-1. The brake disc 14 is a two-sided assembly structure, and the technical characteristic is that the brake disc is formed by clamping an encapsulation plate 14-1 and a bearing plate 14-2, the bearing plate 14-2 serving as a main bearing end face can be assembled by matching with a radiator 18, the radiator 18 completes gas transmission butt joint by utilizing a pressure release valve 10 communicated with the tail end of a third three-way valve 9, and the later gas cooling process after pressure release is completed. The gas is led to the heat dissipation holes 19 along the gap between the packaging plate 14-1 and the bearing plate 14-2, and finally the heat dissipation is finished.

As shown in fig. 2, a friction layer 16 is fixedly mounted on the outer end face of the bearing plate 14-2 through a heat-conducting fin plate 17. The friction layer 16 can replace the bearing plate 14-2 to be consumed by friction, and the heat conduction fin plate 17 has the effect of quickly conducting heat to avoid local overheating of the friction layer 16 and prolong the service life of the friction layer.

The technical means disclosed in the utility model scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.

Claims

1. The utility model provides an electric automobile braking system, includes electronic air pump and brake disc, characterized by: brake dish (14) are bilayer structure, brake dish (14) medial surface fixed mounting has brake mechanism (8), brake mechanism (8) clearance gas transmission pipeline is connected with the defeated gas of valves, the input port of valves and the output port butt joint of electronic air pump (1), be equipped with electronic control module (4) between the input port of valves and electronic air pump (1), the auxiliary input port of valves and the output port butt joint of air pressure booster (12).

2. The braking system of an electric vehicle as claimed in claim 1, wherein: the valve group comprises a first three-way valve (6), a second three-way valve (7) and a third three-way valve (9), and the first three-way valve (6), the second three-way valve (7) and the third three-way valve (9) are communicated with one another through pipelines.

3. The braking system of an electric vehicle as claimed in claim 2, wherein: the middle valve port of the first three-way valve (6) is communicated with an air pressure controller (5) arranged at an output port of the electronic control module (4) through a pipeline, the right valve port of the first three-way valve (6) is communicated with a one-way return valve (13) through a pipeline, and a return port of the one-way return valve (13) is communicated with an input port of the electric air pump (1) through a pipeline.

4. The electric vehicle brake system according to claim 3, wherein: the middle valve port of the second three-way valve (7) is communicated with an input port of the brake mechanism (8) through a pipeline, the valve ports on the left side and the right side of the second three-way valve (7) are respectively communicated with the first three-way valve (6) and the third three-way valve (9), the middle valve port of the third three-way valve (9) is communicated with the pressure release valve (10) through a pipeline, and an output port on the right side of the pressure release valve (10) is communicated with a backflow air cavity port (11).

5. The braking system of an electric vehicle as claimed in claim 1, wherein: the brake disc (14) is formed by clamping an encapsulation plate (14-1) and a bearing plate (14-2), a radiator (18) is assembled on the inner wall of the bearing plate (14-2), an input port of the radiator (18) is in butt joint with a brake mechanism (8) and an output pipeline, an output end of the radiator (18) is communicated with a heat dissipation hole (19) formed in the bearing plate (14-2), and the top section of the radiator (18) is in ejection contact with an assembly block installed on the inner side end face of the encapsulation plate (14-1).

6. The electric vehicle brake system according to claim 5, wherein: and a friction layer (16) is fixedly arranged on the outer side end face of the bearing plate (14-2) through a heat conduction fin plate (17).