Carbon ceramic brake disc for new energy automobile

Abstract

The utility model relates to a carbon-ceramic brake disc for a new energy automobile, which belongs to the technical field of brake discs and comprises a carbon-ceramic brake disc body, a brake disc friction surface, first unit ventilation slots, second unit ventilation slots, brake disc reinforcing ribs, lace structures, ventilation grooves and separation layers. The brake disc friction surfaces are arranged on the two sides of the carbon ceramic brake disc body; a first unit ventilation groove and a second unit ventilation groove are formed in the carbon ceramic brake disc body in parallel, and a separation layer is arranged between the first unit ventilation groove and the second unit ventilation groove. The lace structure is arranged at the inner circle of the carbon ceramic brake disc body; the ventilation grooves are formed in the two sides of the lace structure. Through the arc path distribution of the two rows of ventilation groove units and the ventilation holes on the brake disc body and the through structure of the groove holes, the overall weight of the brake disc can be effectively reduced, the endurance mileage of a new energy automobile is increased, the battery cost is further reduced, and meanwhile the heat dissipation rate in the vehicle traveling braking process is rapidly increased.

Description

Technical Field

[0001] The utility model relates to a carbon ceramic brake disc for new energy vehicles and belongs to the technical field of brake discs. Background Art

[0002] New energy vehicles are an important trend of future development. Lighter and better brake discs have also become an important indicator of safety and cost reduction for new energy vehicles. The weight of traditional metal brake discs will greatly reduce the battery life of new energy vehicles. According to the calculation that one kilogram of weight reduction on the vehicle's sprung weight is equal to 10 kilograms of weight reduction under the sprung weight, an excellent carbon ceramic brake disc can effectively reduce the weight of the vehicle by about 600 kilograms compared to traditional metal brake discs, thereby increasing the battery life of new energy vehicles by about 5%, greatly reducing battery costs.

[0003] At the same time, the traditional metal brake disc is an integral disc without ventilation slots and ventilation holes, and the heat dissipation efficiency is low. Therefore, it is necessary to study a device that is lighter in weight and can quickly improve the heat dissipation efficiency of the entire disc, thereby ensuring the driving safety of the entire vehicle with excellent performance. Utility Model Content

[0004] In view of the above-mentioned deficiencies existing in the prior art, the utility model provides a carbon-ceramic brake disc for new energy vehicles, which is used to solve the problems of heavy weight and low heat dissipation efficiency of traditional metal brake discs.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A carbon ceramic brake disc for new energy vehicles, comprising: a carbon ceramic brake disc body, a brake disc friction surface, a first unit ventilation groove, a second unit ventilation groove, a brake disc reinforcement rib, a lace structure, a ventilation groove, and a separation layer;

[0007] The carbon ceramic brake disc body is annular;

[0008] The brake disc friction surfaces are arranged on both sides of the carbon ceramic brake disc body;

[0009] The carbon ceramic brake disc body is provided with a first unit ventilation groove and a second unit ventilation groove in parallel, and a partition layer is provided between the first unit ventilation groove and the second unit ventilation groove;

[0010] The lace structure is arranged at the inner circle of the carbon ceramic brake disc body;

[0011] The ventilation grooves are arranged on both sides of the lace structure, and the ventilation grooves are communicated with the first unit ventilation grooves and the second unit ventilation grooves.

[0012] Furthermore, ventilation hole units are arranged on the brake disc friction surfaces on both sides of the carbon-ceramic brake disc body, and the ventilation hole units on both sides are respectively connected to the first unit ventilation groove and the second unit ventilation groove.

[0013] Furthermore, 4-6 ventilation hole units are arranged on each surface, and each ventilation hole unit includes 10-12 ventilation holes distributed in a circular arc path along the friction surface of the brake disc, and the starting hole of the ventilation hole pair of the ventilation hole unit is located at the inner circle of the brake disc, and the ending hole is located at the outer circle of the brake disc.

[0014] Furthermore, the first unit ventilation grooves are composed of 20-30 ventilation grooves evenly distributed along the circumferential direction on the carbon-ceramic brake disc body.

[0015] Furthermore, the structure of the second unit ventilation slot is the same as that of the first unit ventilation slot.

[0016] Furthermore, the positions of the ventilation holes of the first unit ventilation slot correspond to the ventilation holes of the second unit ventilation slot.

[0017] Furthermore, the wall thickness between the brake disc friction surface close to the first unit ventilation groove and the first unit ventilation groove is 6-8mm, the wall thickness between the brake disc friction surface close to the second unit ventilation groove and the second unit ventilation groove is 6-8mm, and the thickness of the separation layer is 5-7mm.

[0018] Furthermore, reinforcing ribs are arranged around the first unit ventilation slot and the second unit ventilation slot.

[0019] Furthermore, the brake disc friction surface, the ventilation hole unit, the first unit ventilation groove, the second unit ventilation groove, the reinforcing ribs, the lace structure, the ventilation groove, and the partition layer are all integrally formed with the carbon-ceramic brake disc body.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] 1. The utility model discloses a carbon ceramic brake disc for new energy vehicles, which can quickly improve the heat dissipation efficiency through the ventilation hole unit, the ventilation slot unit and the ventilation groove. The friction between the brake disc and the brake pad will generate high temperature during driving and braking. The two ventilation slot units and the difference in wall thickness on both sides will evenly dissipate the heat in the middle body of the brake disc through the ventilation slots, avoiding the problem of thermal deformation and thermal mismatch of materials caused by fast heat dissipation of the brake disc body and slow heat dissipation on both sides of the brake disc; the arc path distribution of the ventilation holes echoes the circular motion of the brake disc, which can effectively disperse the heat of the brake disc during driving, dissipate the heat along the arc in time, and improve the overall heat dissipation efficiency of the brake disc.

[0022] 2. The utility model discloses a carbon-ceramic brake disc for new energy vehicles, which effectively reduces the overall weight of the brake disc while ensuring the strength of the material by setting two ventilation slot units, thereby reducing the overall weight of the vehicle, increasing the cruising range, and reducing the battery cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 It is a structural schematic diagram of the utility model.

[0025] The reference numerals involved in the accompanying drawings are:

[0026] 1. Carbon ceramic brake disc body; 2. Brake disc friction surface; 3. Ventilation hole unit; 4. First unit ventilation groove; 5. Second unit ventilation groove; 6. Brake disc reinforcement rib; 7. Lace structure; 8. Ventilation groove; 9. Separation layer. DETAILED DESCRIPTION

[0027] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0028] In the description of the present application, it should be noted that directional words, such as the terms "center", "lateral", "longitudinal", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the accompanying drawings, which are only for the convenience of narrating the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and cannot be understood as limiting the specific scope of protection of the present application.

[0029] It should be noted that the terms "first", "second", etc. in the description and claims of the present application are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence.

[0030] See also Figure 1 to Figure 2 As shown, a carbon-ceramic brake disc for new energy vehicles includes: a carbon-ceramic brake disc body 1, a brake disc friction surface 2, a first unit ventilation groove 4, a second unit ventilation groove 5, a brake disc reinforcement rib 6, a lace structure 7, a ventilation groove 8, and a partition layer 9.

[0031] The carbon-ceramic brake disc body 1 is annular.

[0032] The brake disc friction surface 2 is arranged on both sides of the carbon ceramic brake disc body 1 .

[0033] The carbon ceramic brake disc body 1 is provided with a first unit ventilation groove 4 and a second unit ventilation groove 5 in parallel, and a partition layer 9 is provided between the first unit ventilation groove 4 and the second unit ventilation groove 5. Specifically, the first unit ventilation groove 4 is composed of 20-30 ventilation grooves uniformly distributed along the circumferential direction on the carbon ceramic brake disc body 1. Specifically, the structure of the second unit ventilation groove 5 is the same as that of the first unit ventilation groove 4. Specifically, the ventilation hole position of the first unit ventilation groove 4 corresponds to the ventilation hole of the second unit ventilation groove 5.

[0034] The wall thickness between the brake disc friction surface 2 near the first unit ventilation groove 4 and the first unit ventilation groove 4 is 6-8mm, and the wall thickness between the brake disc friction surface 2 near the second unit ventilation groove 5 and the second unit ventilation groove 5 is 6-8mm. Specifically, the thickness of the separation layer 9 is 5-7mm. The first unit ventilation groove 4 and the second unit ventilation groove 5 are surrounded by reinforcing ribs 6. It can be understood that the reinforcing ribs 6 can enhance the overall strength of the brake pad.

[0035] The lace structure 7 is arranged at the inner circle of the carbon-ceramic brake disc body 1 .

[0036] The ventilation grooves 8 are arranged on both sides of the lace structure 7 , and the ventilation grooves 8 are communicated with the first unit ventilation groove 4 and the second unit ventilation groove 5 .

[0037] The brake disc friction surfaces 2 on both sides of the carbon ceramic brake disc body 1 are provided with ventilation hole units 3, and the ventilation hole units 3 on both sides are respectively connected with the first unit ventilation groove 4 and the second unit ventilation groove 5. There are 4-6 ventilation hole units 3 on each side, and each ventilation hole unit 3 includes 10-12 ventilation holes distributed in a circular arc path along the brake disc friction surface 2. The starting hole of the ventilation hole pair of the ventilation hole unit 3 is located at the inner circle of the brake disc, and the ending hole is located at the outer circle of the brake disc.

[0038] The brake disc friction surface 2, the ventilation hole unit 3, the first unit ventilation groove 4, the second unit ventilation groove 5, the reinforcing rib 6, the lace structure 7, the ventilation groove 8, and the partition layer 9 are all integrally formed with the carbon ceramic brake disc body 1.

[0039] The above is only an embodiment of the utility model. The common sense such as the known specific structure and characteristics in the scheme is not described in detail here. The ordinary technicians in the relevant field are aware of all the common technical knowledge in the technical field of the utility model before the application date or priority date, can obtain all the existing technologies in the field, and have the ability to apply the conventional experimental means before that date. The ordinary technicians in the relevant field can improve and implement the scheme in combination with their own abilities under the enlightenment given by this application. Some typical known structures or known methods should not become obstacles for ordinary technicians in the relevant field to implement this application. It should be pointed out that for the technicians in this field, without departing from the structure of the utility model, several deformations and improvements can be made, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent.

Claims

1. A carbon ceramic brake disc for new energy vehicles, characterized in that: include: A carbon ceramic brake disc body (1), a brake disc friction surface (2), a first unit ventilation groove (4), a second unit ventilation groove (5), a brake disc reinforcement rib (6), a lace structure (7), a ventilation groove (8), and a partition layer (9); The carbon ceramic brake disc body (1) is annular; The brake disc friction surface (2) is arranged on both sides of the carbon ceramic brake disc body (1); The carbon ceramic brake disc body (1) is provided with a first unit ventilation groove (4) and a second unit ventilation groove (5) in parallel, and a separation layer (9) is provided between the first unit ventilation groove (4) and the second unit ventilation groove (5); The lace structure (7) is arranged on the inner circle of the carbon ceramic brake disc body (1); The ventilation grooves (8) are arranged on both sides of the lace structure (7), and the ventilation grooves (8) are connected with the first unit ventilation grooves (4) and the second unit ventilation grooves (5).

2. The carbon ceramic brake disc for new energy vehicles according to claim 1, characterized in that: Ventilation hole units (3) are provided on the brake disc friction surfaces (2) on both sides of the carbon ceramic brake disc body (1), and the ventilation hole units (3) on both sides are respectively connected to the first unit ventilation groove (4) and the second unit ventilation groove (5).

3. The carbon ceramic brake disc for new energy vehicles according to claim 2 is characterized in that: The brake disc friction surface (2) is provided with 4-6 ventilation hole units (3), each of the ventilation hole units (3) comprises 10-12 ventilation holes distributed in a circular arc path along the brake disc friction surface (2), the starting hole of the ventilation hole pair of the ventilation hole unit (3) is located at the inner circle of the brake disc, and the ending hole is located at the outer circle of the brake disc.

4. The carbon ceramic brake disc for new energy vehicles according to claim 1, characterized in that: The first unit ventilation groove (4) is composed of 20 to 30 ventilation grooves evenly distributed along the circumference of the carbon ceramic brake disc body (1).

5. The carbon ceramic brake disc for new energy vehicles according to claim 4, characterized in that: The structure of the second unit ventilation slot (5) is the same as that of the first unit ventilation slot (4).

6. The carbon ceramic brake disc for new energy vehicles according to claim 5, characterized in that: The position of the ventilation hole of the first unit ventilation slot (4) corresponds to the ventilation hole of the second unit ventilation slot (5).

7. The carbon ceramic brake disc for new energy vehicles according to claim 1, characterized in that: The wall thickness between the brake disc friction surface (2) close to the first unit ventilation groove (4) and the first unit ventilation groove (4) is 6-8 mm, the wall thickness between the brake disc friction surface (2) close to the second unit ventilation groove (5) and the second unit ventilation groove (5) is 6-8 mm, and the thickness of the corresponding separation layer (9) is 5-7 mm.

8. The carbon ceramic brake disc for new energy vehicles according to claim 1, characterized in that: Reinforcing ribs (6) are arranged around the first unit ventilation slot (4) and the second unit ventilation slot (5).

9. The carbon ceramic brake disc for new energy vehicles according to claim 1, characterized in that: The brake disc friction surface (2), the ventilation hole unit (3), the first unit ventilation groove (4), the second unit ventilation groove (5), the reinforcing ribs (6), the lace structure (7), the ventilation groove (8), and the partition layer (9) are all integrally formed with the carbon ceramic brake disc body (1).

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