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Brake pad and thickness detection method

A technology for brake pads and thickness values, applied in the field of brake pads and thickness detection, can solve the problems of increasing costs, inability to effectively detect the thickness of brake pads, etc., and achieve the effect of reducing potential safety hazards.

Inactive Publication Date: 2017-04-05
TONGREN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the current detection of the thickness of the brake pads is carried out every certain kilometers (such as 5,000 kilometers) under the normal driving conditions of the vehicle. However, due to the design of the wheel hub, the thickness of the brake pads cannot be directly seen by the naked eye for some vehicles, and the tires need to be disassembled. It can only be carried out, and the man-hour cost of each disassembly inspection will inevitably increase the cost of the car, but it is impossible to carry out real-time accurate and effective detection of the thickness of the brake pads.

Method used

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  • Brake pad and thickness detection method
  • Brake pad and thickness detection method
  • Brake pad and thickness detection method

Examples

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no. 1 example

[0022] Please refer to Figure 1 to Figure 3 , the present embodiment provides a brake pad 100 , which includes a back plate 110 , a friction block 120 , a groove 130 , a lead wire 140 , an expansion part 150 , a processor 160 and a heat insulation layer 170 .

[0023] Please refer to figure 1 , in this embodiment, the backplane 110 passes through the heat insulating layer 170 (please refer to image 3 ) is connected with the friction block 120.

[0024] In this embodiment, the back plate 110 is used to connect external devices, for example, to be fixed to a vehicle by means of nuts or welding, and the vehicle may be a car, an electric car, or a motorcycle. The material of the back plate 110 may be stainless steel or titanium alloy, which is not specifically limited in this embodiment.

[0025] In this embodiment, the shape of the back plate 110 may be a rectangle, a circle, or other shapes, which are not specifically limited in this embodiment.

[0026] In this embodiment...

no. 2 example

[0055] see Figure 5 , is a flowchart of a thickness detection method provided by the second embodiment of the present invention. The method is applied to the brake pad described in the first embodiment. The following will be Figure 5 The specific process shown will be described in detail.

[0056] Step S401, acquiring a capacitance value between the first electrode layer and the second electrode layer.

[0057] Wherein, the facing area of ​​the first electrode layer and the second electrode layer is obtained, and the facing area decreases with the friction between the friction block and the brake disc, that is, the first electrode layer and the second electrode layer One end of the second electrode layer is flush with the horizontal plane of the friction block. When the friction block rubs against the brake disc, the first electrode layer and the second electrode layer will also be rubbed, so the first electrode layer The thicknesses of the electrode layer and the second...

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Abstract

Embodiments of the invention provide a brake pad and a thickness detection method, and belong to the field of an automobile brake system. The brake pad comprises a backboard, a thermal insulation layer, a friction block, and lead-out wires, the backboard is connected with the thermal insulation layer through the friction block, the friction block is provided with a groove, metallization processing is performed on a first sidewall of the groove to form a first electrode layer, metallization processing is performed on a second sidewall of the groove to form a second electrode layer, the lead-out wires comprise a first leading wire and a second leading wire, the first leading wire is electrically connected with the first electrode layer, and the second leading wire is electrically connected with the second electrode layer. According to the brake pad, the capacitance between the first electrode layer and the second electrode layer is acquired in real time, the thickness change of the brake pad is obtained through the change of the capacitance, the abrasion state of the brake pad is obtained in real time through the thickness change of the brake pad, drivers can maintain and replace the brake pad in advance, and hidden risks during driving can be reduced.

Description

technical field [0001] The invention relates to the field of automobile brake systems, in particular to a brake pad and a thickness detection method. Background technique [0002] In the automobile braking system, the brake pad is the most critical part, which plays a decisive role in the braking effect. The state of the brake pad is related to the property safety of the car and the safety of the drivers and passengers. The important parameter of the brake is related to the effectiveness of the brake, so the detection of the thickness of the brake pad is particularly important. However, the current detection of the thickness of the brake pads is carried out every certain kilometers (such as 5000 kilometers) under the normal driving conditions of the vehicle. However, due to the design of the wheel hub, the thickness of the brake pads cannot be directly seen by the naked eye for some vehicles, and the tires need to be disassembled. It can only be carried out, and the man-hou...

Claims

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Application Information

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IPC IPC(8): G01B7/06F16D65/02F16D66/02
CPCG01B7/08F16D65/02F16D66/02
Inventor 黄帅石维黄伟王强冷森林李勇
Owner TONGREN UNIV
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