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Brake, braking shoe pad abrasion alarm mechanism and alarm method thereof and EBS system

A technology of brake shoes and brakes, applied in the direction of brake types, mechanical equipment, etc., can solve the problems of left and right wheel braking torque imbalance, braking torque drop, braking deviation, etc.

Pending Publication Date: 2021-03-09
派德森(京山)汽车零部件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the brake shoe is enclosed inside the rim of the vehicle, the thickness of the brake shoe can only be visually measured by the observation hole, and the wear problem cannot be accurately measured and found in time with the help of tools
If the brake shoes are worn out and not replaced in time, the braking torque will drop significantly and the braking torque of the left and right wheels will be unbalanced, resulting in serious braking problems such as long braking distance and braking deviation, which will bring serious problems to driving safety. Larger hidden danger

Method used

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  • Brake, braking shoe pad abrasion alarm mechanism and alarm method thereof and EBS system
  • Brake, braking shoe pad abrasion alarm mechanism and alarm method thereof and EBS system
  • Brake, braking shoe pad abrasion alarm mechanism and alarm method thereof and EBS system

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Embodiment 1

[0033] see Figure 1 to Figure 6 , the embodiment of the present invention provides a brake shoe wear alarm mechanism, which includes an alarm that can warn and a measuring piece that can be extended as the thickness of the brake shoe 42 becomes smaller. The abutting end on the brake shoe 42; the measuring device also includes a conductive area arranged along the elongated direction of the measuring piece and can be moved on the conductive area by the measuring piece and moved on the measuring piece When the movable shoe 42 fails, it moves to the movable block 32 outside the conductive area, and the movable block 32, the conductive area and the alarm are connected in series. In this embodiment, the wear state of the brake shoe 42 is monitored in real time through the change of the measuring piece along with the wear of the brake shoe 42, and an alarm is issued to remind the driver when it is out of the set conductive area. . Specifically, the abutting end of the measuring pi...

Embodiment 2

[0038] see Figure 1 to Figure 6 An embodiment of the present invention provides a brake, including a brake shoe 42 and the above-mentioned brake shoe wear alarm mechanism, and the abutting end of the measuring element is abutted against the brake shoe 42 . In this embodiment, the above-mentioned alarm mechanism 100 is used on a brake, either on a disc brake or on a drum brake. The wear state of the brake shoe 42 is monitored in real time by the change of the measuring piece along with the wear of the brake shoe 42 , and an alarm is issued to remind the driver when it leaves the set conductive area. Specifically, the abutting end of the measuring piece is close to the brake shoe 42, since the measuring piece can elongate as the thickness of the brake shoe 42 becomes smaller, after the brake shoe 42 is worn and thinned, The measuring piece can be elongated; and the elongated measuring piece can move on the guiding area with the movable block 32, and now the movable block 32 is...

Embodiment 3

[0040] see Figure 1 to Figure 6 An embodiment of the present invention provides an EBS system, which includes the above-mentioned brake shoe wear alarm mechanism, and the brake shoe wear alarm mechanism provides the EBS system with information on changes in the thickness of the brake shoe 42 . In this embodiment, the real-time thickness change information of the brake shoe 42 is provided to the EBS system to make the EBS system more complete.

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Abstract

The invention relates to a brake braking shoe pad abrasion alarm mechanism. The mechanism comprises an alarm capable of warning, and a measuring part capable of extending along with reduction of the thickness of a braking shoe pad. The measuring part is provided with an abutting-against end which can abut against the braking shoe pad. The mechanism further comprises an electricity conducting areaarranged in the extending direction of the measuring part, and a moving block, wherein the moving block can be driven by the measuring part to move on the electricity conducting area and moves out ofthe electricity conducting area when the braking shoe pad loses efficacy. The moving block, the electricity conducting area and the alarm are connected in series. The invention provides a brake comprising the alarm mechanism. The invention provides an EBS system comprising the alarm mechanism. The invention further provides a brake braking shoe pad abrasion alarm method. The method further comprises three steps from S1 to S3. The measuring part changes along with abrasion of the braking shoe pad, the abrasion state of the braking shoe pad is monitored in real time, and after separation out ofthe set electricity conducting area, an alarm is given for warning. Voltage output by a PCB corresponds to thickness information of the braking shoe pad, and thus the thickness change of the braking shoe pad is monitored in real time.

Description

technical field [0001] The invention relates to the technical field of automobile braking, in particular to a brake and its brake shoe wear alarm mechanism, alarm method and EBS system. Background technique [0002] As the most important safety equipment of modern vehicles, brakes are widely used in various types of vehicles. Since the brake shoe is enclosed inside the rim of the vehicle, the thickness of the brake shoe can only be measured visually by means of the observation hole, and cannot be accurately measured with the help of tools and wear problems can be found in time. If the brake shoes are worn out and not replaced in time, the braking torque will drop significantly and the braking torque of the left and right wheels will be unbalanced, resulting in serious braking problems such as long braking distance and braking deviation, which will bring serious problems to driving safety. Greater hidden danger. Contents of the invention [0003] The object of the present...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16D66/02
CPCF16D66/024
Inventor 罗方周俊龚平黄志亮
Owner 派德森(京山)汽车零部件有限公司
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