CN112524176A - Variable heat dissipation device for brake pad, vehicle braking system and control method - Google Patents
Variable heat dissipation device for brake pad, vehicle braking system and control method Download PDFInfo
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- CN112524176A CN112524176A CN202011377643.XA CN202011377643A CN112524176A CN 112524176 A CN112524176 A CN 112524176A CN 202011377643 A CN202011377643 A CN 202011377643A CN 112524176 A CN112524176 A CN 112524176A
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- heat dissipation
- brake
- vehicle speed
- dissipation device
- brake pedal
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
- F16D65/095—Pivots or supporting members therefor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
- F16D65/092—Bands, shoes or pads; Pivots or supporting members therefor for axially-engaging brakes, e.g. disc brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
- F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
- F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/78—Features relating to cooling
- F16D65/84—Features relating to cooling for disc brakes
- F16D65/847—Features relating to cooling for disc brakes with open cooling system, e.g. cooled by air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/78—Features relating to cooling
- F16D2065/788—Internal cooling channels
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
- F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
本发明涉及汽车制动技术领域，公开了一种刹车片可变散热装置、载具制动系统和控制方法，其中，所述刹车片可变散热装置包括：刹车卡钳；刹车片；垂直散热孔，以其轴线与刹车盘垂直的方向设置在所述刹车片上；容纳空间，所述容纳空间设置在所述垂直散热孔远离所述刹车盘的一侧；移动结构，可移动地设置在所述容纳空间和垂直散热孔中；驱动结构，其活动端与所述刹车卡钳固定连接，其固定端与所述移动结构固定连接；以及水平散热孔，以其轴线与所述刹车盘平行的方向设置在所述刹车片上，与所述垂直散热孔贯通。通过上述技术方案的设置，以达到在需要大的制动强度的情况下保证制动，在非制动状态下和仅需小的制动强度的情况下提供良好的散热的效果。
The invention relates to the technical field of automobile braking, and discloses a variable heat dissipation device for brake pads, a vehicle braking system and a control method, wherein the variable heat dissipation device for brake pads comprises: brake calipers; brake pads; vertical heat dissipation holes , which is arranged on the brake pad with its axis perpendicular to the brake disc; an accommodating space, the accommodating space is arranged on the side of the vertical heat dissipation hole away from the brake disc; the moving structure is movably arranged on the the accommodating space and the vertical heat dissipation holes; the driving structure, the movable end of which is fixedly connected with the brake caliper, and the fixed end of which is fixedly connected with the moving structure; and the horizontal heat dissipation hole, whose axis is arranged in a direction parallel to the brake disc On the brake pad, it is connected to the vertical heat dissipation hole. Through the arrangement of the above technical solutions, the braking can be ensured when a large braking intensity is required, and a good heat dissipation effect can be provided in a non-braking state and when only a small braking intensity is required.
Description
Technical Field
The invention relates to the technical field of automobile braking, in particular to a brake pad variable heat dissipation device, a carrier braking system and a control method.
Background
In the current automobile brake system, a disc brake system is generally adopted; in the system, the electronic hydraulic system controls the brake caliper to clamp the brake disc, so that braking can be realized; since the kinetic energy of the automobile is almost entirely dissipated in the form of heat energy in the brake disc and the brake pad during braking, the temperature of the brake disc and the brake pad rises very quickly, and a good heat dissipation structure is required to maintain good performance of the braking system.
In the prior art, heat dissipation is generally performed in the form of heat dissipation grooves, but the heat dissipation mode reduces the contact area with a brake disc, so that the braking performance is reduced.
Disclosure of Invention
The invention aims to provide a variable heat dissipation device of a brake pad, a vehicle braking system and a control method, which can solve the problem that the braking performance is reduced after a heat dissipation structure is added on the surface of the brake pad in the prior art.
In order to achieve the above object, a first aspect of the present invention provides a variable heat dissipation device for a brake pad, comprising:
a brake caliper;
a brake pad mounted on the brake caliper;
the vertical heat dissipation holes are arranged on the brake pad in a direction that the axis of the vertical heat dissipation holes is vertical to the brake disc;
the accommodating space is arranged on one side, far away from the brake disc, of the vertical radiating hole;
the moving structure is movably arranged in the accommodating space and the vertical heat dissipation holes and can move in the range M, and the range M is a range between two end faces of the brake pad parallel to the brake disc;
the movable end of the driving structure is fixedly connected with the brake calipers, and the fixed end of the driving structure is fixedly connected with the moving structure;
and the horizontal radiating holes are arranged on the brake pads in the direction parallel to the brake disc by the axis of the horizontal radiating holes and are communicated with the vertical radiating holes.
Through the arrangement of the technical scheme, under the non-braking state and under the condition of only small braking strength, the moving structure is not flush with the end face, close to the brake disc, of the brake pad, so that the vertical radiating holes and the horizontal radiating holes are communicated, the brake pad is radiated, and a good radiating effect is achieved; under the condition that needs big braking intensity, drive structure drive remove the structure with the brake block is close to the terminal surface parallel and level of brake disc increases the area of contact of brake block and brake disc, from guaranteeing braking performance.
Further, the movable structure comprises a movable column and a connecting part, the movable column is matched with the vertical heat dissipation hole in shape, and two ends of the connecting part are fixedly connected with two adjacent movable columns respectively.
Furthermore, the end face of the moving column close to the brake disc is made of friction materials.
Further, the horizontal radiating holes comprise first radiating holes, and axes of the first radiating holes are parallel to the ground.
Furthermore, the horizontal heat dissipation holes further comprise second heat dissipation holes, and included angles are formed between the axes of the second heat dissipation holes and the axes of the first heat dissipation holes.
Further, the driving structure comprises a piston and a cylinder groove; the cylinder body groove is arranged on the brake caliper, and the piston is arranged in the cylinder body groove.
Further, the driving structure further comprises an oil passage and an oil pipe mounting seat, one end of the oil passage is communicated with the cylinder groove, and the other end of the oil passage penetrates through the brake caliper and is connected with the oil pipe mounting seat.
The invention provides a vehicle braking system, which comprises the brake pad variable heat dissipation device.
Through the setting of above-mentioned technical scheme, guarantee braking performance under the condition that needs big braking intensity, provide good radiating effect under non-braking state and the condition that only needs little braking intensity.
A third aspect of the present invention provides a control method, including the vehicle braking system:
and determining the position state of the mobile structure through a vehicle speed parameter or a brake pedal swinging amplitude parameter.
Through the setting of above-mentioned technical scheme, move the structure through the control and be close to whether the surface of brake disc with the brake block parallel and level to reach and guarantee brake performance under the circumstances that needs big braking intensity, provide good radiating effect under the non-braking state with only need little braking intensity's the circumstances.
Further, the vehicle braking system further comprises a vehicle speed sensor, a brake pedal angle sensor and a controller, wherein the brake pedal angle sensor is used for detecting the swing amplitude of a brake pedal, and the controller is electrically connected with the vehicle speed sensor, the brake pedal angle sensor and the driving structure, and the control method comprises the following steps:
s1, the vehicle speed sensor and the brake pedal angle sensor respectively transmit the detected signals to the controller;
s2, the controller receives the signal and converts the vehicle speed parameter and the brake pedal swing amplitude parameter, and compares the vehicle speed parameter and the brake pedal swing amplitude parameter with a preset vehicle speed critical value V and a preset brake pedal swing amplitude critical value A;
and S3, when the vehicle speed parameter is greater than a vehicle speed critical value V or the brake pedal swinging amplitude parameter is greater than a brake pedal swinging amplitude critical value A, the controller controls the driving structure to enable the end surface of the moving structure to be flush with the end surface of the brake pad.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
FIG. 1 is a schematic structural diagram of a brake pad variable heat dissipation device according to an embodiment of the present invention;
FIG. 2 is another schematic perspective view of a variable heat dissipation device for a brake pad according to an embodiment of the present invention;
FIG. 3 is a schematic view of the brake pad and brake caliper configuration;
FIG. 4 is a schematic structural view of a brake pad;
FIG. 5 is a schematic diagram of a moving structure;
FIG. 6 is a schematic view of a brake caliper.
Description of the reference numerals
1 brake caliper 2 brake pad
3 vertical heat dissipation hole 41 moving column
42 connecting part 51 first heat dissipation hole
52 second heat emission hole 61 piston
62 cylinder groove 63 oil channel
64 oil pipe mounting seat
Detailed Description
The following describes in detail specific embodiments of the present invention. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the present invention, the use of the terms of orientation such as "upper and lower" in the case where no description is made to the contrary generally means the orientation in the assembled and used state. "inner and outer" refer to the inner and outer contours of the respective component itself.
As shown in fig. 1 to 6, an object of the present invention is to provide a variable heat dissipation device for a brake pad, a vehicle braking system and a control method, which can solve the problem of difficulty in heat dissipation of the brake pad in the prior art, so as to ensure braking when a large braking strength is required, and provide good heat dissipation when a non-braking state and a small braking strength are required.
In order to achieve the above object, a first aspect of the present invention provides a variable heat dissipation device for a brake pad, comprising:
a brake caliper 1;
the brake pad 2 is arranged on the brake caliper 1;
the vertical heat dissipation holes 3 are arranged on the brake pad 2 in a direction that the axis of the vertical heat dissipation holes is vertical to the brake disc;
the accommodating space is arranged on one side, far away from the brake disc, of the vertical heat dissipation hole 3;
the moving structure is movably arranged in the accommodating space and the vertical heat dissipation holes 3 and can move in the range M, and the range M is a range between two end faces of the brake pad 2 parallel to the brake disc;
the movable end of the driving structure is fixedly connected with the brake caliper 1, and the fixed end of the driving structure is fixedly connected with the moving structure;
and the horizontal radiating holes are arranged on the brake block 2 in the direction parallel to the brake disc by the axis of the horizontal radiating holes and are communicated with the vertical radiating holes 3.
Through the arrangement of the technical scheme, in a non-braking state and under the condition of only small braking strength, the moving structure is not flush with the end face, close to the brake disc, of the brake block 2, so that the vertical radiating holes 3 and the horizontal radiating holes are communicated, the brake block is radiated, and a good radiating effect is achieved; under the condition that needs big braking intensity, drive structure drive remove the structure with brake block 2 is close to the terminal surface parallel and level of brake disc increases the area of contact of brake block 2 and brake disc, from guaranteeing braking performance.
In consideration of the overall strength of the brake pad 2, preferably, as shown in fig. 5, the moving structure includes a moving column 41 and a connecting portion, the moving column 41 is adapted to the shape of the vertical heat dissipation hole 3, and two ends of the connecting portion are respectively fixedly connected to two adjacent moving columns 41. It should be noted that the accommodating space is adapted to the shape of the connecting structure, but the accommodating space is larger than the connecting structure in the axial direction of the vertical heat dissipation hole 3, so as to ensure that the connecting structure can move in the accommodating space. Through the setting of above-mentioned technical scheme, can be under the circumstances of guaranteeing 2 material strength of brake block, be equipped with the removal structure inside.
Preferably, the material of the end surface of the moving column 41 close to the brake disc is friction material, and more preferably, the friction material is the same as the material of the surface of the brake pad 2.
In order to accelerate the heat dissipation from the vertical heat dissipation holes 3, the horizontal heat dissipation holes preferably include a first heat dissipation hole 51, and the axis of the first heat dissipation hole 51 is parallel to the ground.
In order to increase the intake air amount and cope with different scenes, in an optimal case, the horizontal heat dissipation holes further include a second heat dissipation hole 52, and an included angle is formed between an axis of the second heat dissipation hole 52 and an axis of the first heat dissipation hole 51. In different motorcycle types, the mounted position of brake caliper 1 is different, for example some cars install brake caliper 1 in the 2 o 'clock direction of wheel hub, some install in the 3 o' clock direction of wheel hub, simultaneously, as shown in fig. 2, brake caliper's heat dissipation wind gap's orientation also is different. In order to accommodate the cooling vent of the brake caliper, a second cooling vent 52 is provided.
Preferably, the driving structure includes a piston 61 and a cylinder groove 62; the cylinder groove 62 is provided on the brake caliper 1, and the piston 61 is installed in the cylinder groove 62. In the prior art, the brake caliper 3 itself is provided with a piston structure. It should be noted that the piston 61 is controlled by the control program to move with the piston structure to ensure the communication between the horizontal and vertical louvers 3. The stroke of movement of the piston 61 may be longer than in the piston structure in the case where a large braking strength is required. Through the arrangement of the structure, the driving structure can ensure that the moving structure is suitable for different working conditions to advance differently.
Further, the driving structure further comprises an oil passage 63 and an oil pipe mounting seat 64, wherein one end of the oil passage 63 is communicated with the cylinder groove 62, and the other end of the oil passage runs through the brake caliper 1 and is connected with the oil pipe mounting seat 64. The oil passage 63 is capable of providing fluid to the piston 61 to control the movement of the piston. The oil pipe mount 64 is provided at one side of the mount of the original piston structure, as shown in fig. 6, and is connected to the oil pipe so as to communicate with the master cylinder of the hydraulic cylinder.
The invention provides a vehicle braking system, which comprises the brake pad variable heat dissipation device.
Through the setting of above-mentioned technical scheme, guarantee braking performance under the condition that needs big braking intensity, provide good radiating effect under non-braking state and the condition that only needs little braking intensity.
A third aspect of the present invention provides a control method, including the vehicle braking system:
and determining the position state of the mobile structure through a vehicle speed parameter or a brake pedal swinging amplitude parameter.
Through the setting of above-mentioned technical scheme, move the structure through the control and be close to whether the surface of brake disc with 2 parallel and level of brake block to reach and guarantee brake performance under the circumstances that needs big braking intensity, provide good radiating effect under the non-braking state with only need little braking intensity's the circumstances.
Further, the vehicle braking system further comprises a vehicle speed sensor, a brake pedal angle sensor and a controller, wherein the brake pedal angle sensor is used for detecting the swing amplitude of a brake pedal, and the controller is electrically connected with the vehicle speed sensor, the brake pedal angle sensor and the driving structure, and the control method comprises the following steps:
s1, the vehicle speed sensor and the brake pedal angle sensor respectively transmit the detected signals to the controller;
s2, the controller receives the signal and converts the vehicle speed parameter and the brake pedal swing amplitude parameter, and compares the vehicle speed parameter and the brake pedal swing amplitude parameter with a preset vehicle speed critical value V and a preset brake pedal swing amplitude critical value A;
and S3, when the vehicle speed parameter is greater than a vehicle speed critical value V or the brake pedal swinging amplitude parameter is greater than a brake pedal swinging amplitude critical value A, the controller controls the driving structure to enable the end surface of the moving structure to be flush with the end surface of the brake pad 2.
The preferred embodiments of the present invention have been described in detail, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. The invention is not described in detail in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011377643.XA CN112524176B (en) | 2020-11-30 | 2020-11-30 | Variable heat dissipation device for brake pad, vehicle braking system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011377643.XA CN112524176B (en) | 2020-11-30 | 2020-11-30 | Variable heat dissipation device for brake pad, vehicle braking system and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112524176A true CN112524176A (en) | 2021-03-19 |
| CN112524176B CN112524176B (en) | 2022-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011377643.XA Active CN112524176B (en) | 2020-11-30 | 2020-11-30 | Variable heat dissipation device for brake pad, vehicle braking system and control method |
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| Country | Link |
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| CN (1) | CN112524176B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023070705A1 (en) * | 2021-10-30 | 2023-05-04 | 衡阳迈特制动系统有限公司 | New-type brake caliper |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05126177A (en) * | 1991-10-30 | 1993-05-21 | Toyota Motor Corp | Disc brake device |
| KR20020084493A (en) * | 2001-05-02 | 2002-11-09 | 현대자동차주식회사 | An automotive brake system |
| CN204226505U (en) * | 2014-11-18 | 2015-03-25 | 浙江铭泰汽车零部件有限公司 | A kind of brake block with multiple heat dissipation effect |
| CN105987109A (en) * | 2015-03-06 | 2016-10-05 | 湖北汽车工业学院 | Automobile brake pad |
| CN207715595U (en) * | 2017-11-20 | 2018-08-10 | 枣阳天成摩擦材料有限公司 | A kind of novel disc brake brake block |
| CN208138359U (en) * | 2018-04-02 | 2018-11-23 | 深圳市金尊能源科技有限公司 | A kind of brake gear |
| CN208291206U (en) * | 2018-03-25 | 2018-12-28 | 合肥市智信汽车科技有限公司 | A kind of auxiliary brake device for automobile |
| CN110608251A (en) * | 2019-10-19 | 2019-12-24 | 长兴广辰汽车配件制造有限公司 | Automobile brake pad |
| CN211039485U (en) * | 2019-10-19 | 2020-07-17 | 长兴广辰汽车配件制造有限公司 | Automobile brake pad |
-
2020
- 2020-11-30 CN CN202011377643.XA patent/CN112524176B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05126177A (en) * | 1991-10-30 | 1993-05-21 | Toyota Motor Corp | Disc brake device |
| KR20020084493A (en) * | 2001-05-02 | 2002-11-09 | 현대자동차주식회사 | An automotive brake system |
| CN204226505U (en) * | 2014-11-18 | 2015-03-25 | 浙江铭泰汽车零部件有限公司 | A kind of brake block with multiple heat dissipation effect |
| CN105987109A (en) * | 2015-03-06 | 2016-10-05 | 湖北汽车工业学院 | Automobile brake pad |
| CN207715595U (en) * | 2017-11-20 | 2018-08-10 | 枣阳天成摩擦材料有限公司 | A kind of novel disc brake brake block |
| CN208291206U (en) * | 2018-03-25 | 2018-12-28 | 合肥市智信汽车科技有限公司 | A kind of auxiliary brake device for automobile |
| CN208138359U (en) * | 2018-04-02 | 2018-11-23 | 深圳市金尊能源科技有限公司 | A kind of brake gear |
| CN110608251A (en) * | 2019-10-19 | 2019-12-24 | 长兴广辰汽车配件制造有限公司 | Automobile brake pad |
| CN211039485U (en) * | 2019-10-19 | 2020-07-17 | 长兴广辰汽车配件制造有限公司 | Automobile brake pad |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023070705A1 (en) * | 2021-10-30 | 2023-05-04 | 衡阳迈特制动系统有限公司 | New-type brake caliper |
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|---|---|
| CN112524176B (en) | 2022-04-22 |
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