CN108871173B - Automatic detection device for automobile brake disc - Google Patents
Automatic detection device for automobile brake disc Download PDFInfo
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- CN108871173B CN108871173B CN201810972821.XA CN201810972821A CN108871173B CN 108871173 B CN108871173 B CN 108871173B CN 201810972821 A CN201810972821 A CN 201810972821A CN 108871173 B CN108871173 B CN 108871173B
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- brake disc
- module
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- detection device
- automobile
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- 238000001514 detection method Methods 0.000 title claims abstract description 51
- 239000000523 sample Substances 0.000 claims abstract description 41
- 230000001681 protective effect Effects 0.000 claims abstract description 24
- 239000003990 capacitor Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000003381 stabilizer Substances 0.000 claims description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims description 3
- 229910052744 lithium Inorganic materials 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
- G01B7/08—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using capacitive means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/023—Solids
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Braking Arrangements (AREA)
Abstract
The invention discloses an automatic detection device for an automobile brake disc, which comprises a brake disc and a controller, wherein a protective shell is arranged on the outer wall of the brake disc, the controller is arranged on the side wall of the protective shell, and an antenna is arranged at one end of the controller. Through installing a protective housing at the outer wall of brake disc, protective housing inside cavity is used for installing capacitive sensor and receiving probe, and capacitive sensor passes protective housing through the wire and is connected with the inside subassembly of controller, capacitive sensor is the inside subassembly of capacitive thickness detection module, thickness through capacitive thickness detection module can detect out the brake disc in real time, receiving probe is used for receiving the ultrasonic wave that brake disc surface mounting's transmitting probe sent, ultrasonic sensor can detect out whether the brake disc has the crack through receiving probe, detect earlier the brake disc before the car goes and can ensure brake disc normal use, reduce the occurence of failure. The invention has the characteristic of being convenient for detecting the brake disc in real time.
Description
Technical Field
The invention relates to a detection device, in particular to an automatic detection device for an automobile brake disc, and belongs to the technical field of automobile braking.
Background
The brake disc is an important part in a brake system, the brake of the good brake disc is stable, noise and vibration are avoided, the braking force of the brake disc is derived from a brake caliper, generally, the brake caliper is a part where a brake piston pump on the inner side is fixed, and the outer side is of a caliper type structure. The inner brake pad is fixed on the piston pump, and the outer brake pad is fixed outside the caliper. The piston pushes the inner brake pad through the pressure from the brake oil pipe, and pulls the caliper through the reaction force so that the outer brake pad is inward. The two brake discs are pressed towards the brake disc simultaneously, and braking force is generated through friction between the brake disc and the inner and outer brake pads, so that the brake disc needs to be detached periodically for maintenance after being used for a period of time, and accidents caused by the fact that the brake disc is damaged to affect braking are avoided.
The existing brake disc still has certain defects during maintenance, the existing maintenance method is that the brake disc is taken down through the disassembly hub and put on the detection equipment for comprehensive maintenance, so that a professional is required to be disassembled and maintained by a repair shop each time, the maintenance cost of the brake disc is increased, the maintenance and the disassembly of each time are troublesome, and the existing detection device cannot detect the brake disc in the running process of an automobile, so that the condition of the brake disc cannot be mastered in real time.
Disclosure of Invention
The invention aims to solve the problems that the hub is required to be detached firstly and the brake disc is required to be removed for detection when the brake disc is detected, the service condition of the brake disc cannot be mastered in real time in the running process of an automobile, and the brake failure condition is easy to occur.
The automatic detection device for the automobile brake disc comprises a brake disc and a controller, wherein a protective shell is arranged on the outer wall of the brake disc, the controller is arranged on the side wall of the protective shell, and an antenna is arranged at one end of the controller; the controller is internally provided with an MCU control module, a GPRS module and a power supply module, wherein two ends of the MCU control module are respectively connected with the GPRS module and the power supply module through wires, and two sides of the MCU control module are respectively connected with a thickness detection module of the capacitive sensor and an ultrasonic detection module through wires; the capacitive sensor thickness detection module is internally provided with a capacitive sensor, the capacitive sensor is arranged in the protective shell, the capacitive sensor is connected with a power amplifier, the power amplifier is connected with an A/D converter, the A/D converter is connected with a counter, and the counter is connected with the MCU control module; the inside of ultrasonic detection module sets up transmission probe and receiving probe, ultrasonic generator and battery are installed respectively to transmission probe's inside, transmission probe installs the surface of brake disc, receiving probe installs the inside of protective housing, receiving probe is connected with ultrasonic sensor, ultrasonic sensor pass through the wave filter with MCU control module is connected.
Preferably, a capacitor and a capacitor detection circuit are arranged in the capacitor sensor, wherein the capacitor consists of two parallel insulating dielectric plates.
Preferably, two insulating dielectric plates are respectively arranged on two sides of the brake disc, and none of the insulating dielectric plates is in contact with the brake disc.
Preferably, a transformer and a voltage stabilizer are arranged in the power supply module, wherein an access end of the transformer is connected with an internal storage battery of the automobile, an output end of the transformer is connected with the voltage stabilizer, and the output voltage of the power supply module is 5V.
Preferably, the GPRS module is connected to an antenna by a wire.
Preferably, the transmitting probe is adhered to the surface of the brake disc through industrial glue, and the transmitting probe is arranged at one end close to the center of the brake disc.
Preferably, the rated power of the ultrasonic generator is 0.5W.
Preferably, the battery is a lithium battery with capacity A, and the outer wall of the battery is provided with a USB charging interface.
Compared with the prior art, the invention has the beneficial effects that:
1. through installing a protective housing at the outer wall of brake disc, protective housing inside cavity is used for installing capacitive sensor and receiving probe, and capacitive sensor passes protective housing through the wire and is connected with the inside subassembly of controller, capacitive sensor is the inside subassembly of capacitive thickness detection module, thickness through capacitive thickness detection module can detect out the brake disc in real time, receiving probe is used for receiving the ultrasonic wave that brake disc surface mounting's transmitting probe sent, ultrasonic sensor can detect out whether the brake disc has the crack through receiving probe, detect earlier the brake disc before the car goes and can ensure brake disc normal use, reduce the occurence of failure.
2. The invention has convenient use and compact structure, the GPRS module is arranged in the controller, and the antenna is arranged on the outer wall of the controller, so that the capacitor thickness detection module detects whether the thickness of the brake disc reaches the limit, the ultrasonic detection module detects whether the brake disc has cracks, and the information detected by the two detection modules is transmitted to the mobile phone or the display screen in the automobile through the GPRS module controlled by the MCU control module, so that a driver can know whether the brake disc is damaged before driving the automobile, and the detection device is continuously powered through the storage battery in the automobile, so that the brake disc can be continuously detected, accidents caused by the damage of the brake disc in the running process of the automobile are prevented, and the abrasion condition of the brake disc can be mastered without detaching the wheels, thereby being convenient to use.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic diagram of an internal system of the controller according to the present invention.
FIG. 3 is a schematic diagram of a system of a capacitive thickness detection module according to the present invention.
Fig. 4 is a schematic diagram of an ultrasonic detection module system according to the present invention.
In the figure: 1. the device comprises a brake disc, 2, a protective shell, 3, a controller, 4, an antenna, 5, a transmitting probe, 6, a capacitance thickness detection module, 7, an MCU control module, 8, an ultrasonic detection module, 9, a GPRS module, 10, a power supply module, 11, a capacitance sensor, 12, a power amplifier, 13, an A/D converter, 14, a counter, 15, an ultrasonic generator, 16, a battery, 17, a receiving probe, 18, an ultrasonic sensor, 19 and a filter.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-4, an automatic detection device for an automobile brake disc comprises a brake disc 1 and a controller 3, wherein a protective shell 2 is arranged on the outer wall of the brake disc 1, the controller 3 is arranged on the side wall of the protective shell 2, and an antenna 4 is arranged at one end of the controller 3; the MCU control module 7, the GPRS module 9 and the power supply module 10 are arranged in the controller 3, two ends of the MCU control module 7 are respectively connected with the GPRS module 9 and the power supply module 10 through wires, and two sides of the MCU control module 7 are respectively connected with the capacitance sensor thickness detection module 6 and the ultrasonic detection module 8 through wires; the capacitive sensor 11 is arranged in the capacitive sensor thickness detection module 6, the capacitive sensor 11 is arranged in the protective shell 2, the capacitive sensor 11 is connected with the power amplifier 12, the power amplifier 12 is connected with the A/D converter 13, the A/D converter 13 is connected with the counter 14, and the counter 14 is connected with the MCU control module 7; the inside of the ultrasonic detection module 8 is provided with the transmitting probe 5 and the receiving probe 17, the ultrasonic generator 15 and the battery 16 are respectively arranged in the transmitting probe 5, the transmitting probe 5 is arranged on the surface of the brake disc 1, the receiving probe 17 is arranged in the protective shell 2, the receiving probe 17 is connected with the ultrasonic sensor 18, the ultrasonic sensor 18 is connected with the MCU control module 7 through the filter 19, the capacitance sensor 11 is used for detecting the change of the brake disc 1 when passing through the capacitance, the A/D converter 13 converts the analog quantity of the capacitance change into the digital form, the thickness of the brake disc 1 is displayed through the counter 14, the transmitting probe 5 in the ultrasonic detection module 8 transmits ultrasonic waves, the receiving probe 17 receives the wave signals, the clutter is filtered through the filter 19, then the special wave forms when the brake disc 1 is contacted with the ultrasonic waves, if the brake disc 1 is cracked, the original wave forms can be changed, thereby determining whether the brake disc is indicated to have cracks, the MCU control module 7 in the inside the controller 3 controls the capacitance thickness detection module 6 and the ultrasonic detection module 8 to transmit the data detected by the GPRS module 9 to the display screen of the automobile cab panel, or the brake disc is directly transmitted to the brake disc 1 to the driver, or the brake disc can be prevented from being damaged or the brake disc 1 can be directly or damaged due to the brake disc is prevented from being damaged.
Example 2
In addition, referring to fig. 1-4, which are different from the above embodiment 1, the inside of the capacitance sensor 11 is provided with a capacitance and capacitance detection circuit, wherein the capacitance is composed of two parallel insulating dielectric plates, two insulating dielectric plates are respectively installed at both sides of the brake disc 1, and neither insulating dielectric plate is in contact with the brake disc 1, since the brake disc 1 is worn during use, the thickness of the brake disc 1 changes when the thickness of the brake disc is changed, so that the capacitance sensor 11 can send the capacitance change data to the counter 14, so that the counter 14 can obtain the thickness data of the brake disc 1, the inside of the power supply module 10 is provided with a transformer and a voltage stabilizer, wherein the transformer access end is connected with an internal storage battery of the automobile, the output end is connected with the voltage stabilizer, the output voltage of the power supply module 10 is 5V, the controller 3 supplies power through the internal storage battery of the automobile, therefore, when the automobile is opened, the device can continuously work, the electric energy problem of the controller 3 in use is solved, the GPRS module 9 is connected with the antenna 4 through a wire, the GPRS module 9 is used for networking through 3/4G, the antenna 4 can enable the MCU control module 7 to send data to a display screen of a cab or a mobile phone of a driver, the sending probe 5 is adhered to the surface of the brake disc 1 through industrial 502 glue, the sending probe 5 is arranged at one end close to the center of the brake disc 1, the sending probe 5 is independently arranged on the brake disc 1 and can rotate along with the brake disc 1, the distance between the sending probe 5 and the receiving probe 17 is far, the crack condition of the brake disc 1 can be comprehensively detected, the rated power of the ultrasonic generator 15 is 0.5W, the battery 16 is a lithium battery with the capacity of 20A, the outer wall of the battery 16 is provided with a USB charging interface, because the ultrasonic generator 15 adopts a model with smaller power, the battery 16 of 20A can provide the ultrasonic generator 15 to work for 3-5 years, the electric energy problem of the ultrasonic generator 15 is solved, the battery 16 is provided with a USB charging interface, and the battery can be charged when no electricity is provided, so that the service life is prolonged.
When the automobile brake disc control device is used, firstly, the protective shell 2 is fixed on the outer wall of the brake disc 1, one side of the protective shell 2 is fixed with the automobile chassis frame, the protective shell 2 is prevented from touching the brake disc 1, when an automobile is started, a storage battery in the automobile supplies power to the controller 3 through the power supply module 10, the capacitance thickness detection module 6 works, the thickness of the brake disc 1 is detected, the ultrasonic wave transmitted by the transmitting probe 5 is received by the receiving probe 17 in the ultrasonic wave detection module 8, the obtained waveform data and the thickness detection data are transmitted to a display screen on an automobile cab panel or directly transmitted to a mobile phone of a driver, so that the driver can drive safely, the controller 3 continuously works in the driving process, and the GPRS module 9 updates various data of the brake disc 1 in real time, so that the driver can intuitively see the use condition of the brake disc 1, and traffic accidents caused by braking problems are effectively avoided.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The utility model provides an automatic detection device of car brake disc, includes brake disc (1) and controller (3), its characterized in that: the outer wall of the brake disc (1) is provided with a protective shell (2), the side wall of the protective shell (2) is provided with the controller (3), and one end of the controller (3) is provided with an antenna (4);
the intelligent control device comprises a controller (3), wherein an MCU control module (7), a GPRS module (9) and a power supply module (10) are arranged in the controller (3), two ends of the MCU control module (7) are connected with the GPRS module (9) and the power supply module (10) through wires respectively, and two sides of the MCU control module (7) are connected with a capacitance sensor thickness detection module (6) and an ultrasonic detection module (8) through wires respectively;
the capacitive sensor thickness detection module (6) is internally provided with a capacitive sensor (11), the capacitive sensor (11) is installed inside the protective shell (2), the capacitive sensor (11) is connected with a power amplifier (12), the power amplifier (12) is connected with an A/D converter (13), the A/D converter (13) is connected with a counter (14), and the counter (14) is connected with the MCU control module (7);
the inside of ultrasonic detection module (8) sets up transmission probe (5) and receiving probe (17), ultrasonic generator (15) and battery (16) are installed respectively to the inside of transmission probe (5), transmission probe (5) are installed the surface of brake disc (1), receiving probe (17) are installed the inside of protective housing (2), receiving probe (17) are connected with ultrasonic sensor (18), ultrasonic sensor (18) pass through wave filter (19) with MCU control module (7) are connected.
2. The automatic detection device for an automobile brake disc according to claim 1, wherein: the capacitive sensor (11) is internally provided with a capacitor and a capacitor detection circuit, wherein the capacitor consists of two parallel insulating dielectric plates.
3. An automatic detection device for a brake disc of an automobile according to claim 1 or 2, characterized in that: two insulating medium plates are respectively arranged on two sides of the brake disc (1), and none of the insulating medium plates is in contact with the brake disc (1).
4. The automatic detection device for an automobile brake disc according to claim 1, wherein: the power supply module (10) is internally provided with a transformer and a voltage stabilizer, wherein the access end of the transformer is connected with an internal storage battery of the automobile, the output end of the transformer is connected with the voltage stabilizer, and the output voltage of the power supply module (10) is 5V.
5. The automatic detection device for an automobile brake disc according to claim 1, wherein: the GPRS module (9) is connected with the antenna (4) through a wire.
6. The automatic detection device for an automobile brake disc according to claim 1, wherein: the transmitting probe (5) is adhered to the surface of the brake disc (1) through industrial 502 glue, and the transmitting probe (5) is arranged at one end close to the center of the brake disc (1).
7. The automatic detection device for an automobile brake disc according to claim 1, wherein: the rated power of the ultrasonic generator (15) is 0.5W.
8. The automatic detection device for an automobile brake disc according to claim 1, wherein: the battery (16) is a lithium battery with the capacity of 20A, and a USB charging interface is arranged on the outer wall of the battery (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810972821.XA CN108871173B (en) | 2018-08-24 | 2018-08-24 | Automatic detection device for automobile brake disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810972821.XA CN108871173B (en) | 2018-08-24 | 2018-08-24 | Automatic detection device for automobile brake disc |
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| Publication Number | Publication Date |
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| CN108871173A CN108871173A (en) | 2018-11-23 |
| CN108871173B true CN108871173B (en) | 2024-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810972821.XA Active CN108871173B (en) | 2018-08-24 | 2018-08-24 | Automatic detection device for automobile brake disc |
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| Country | Link |
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| CN (1) | CN108871173B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111497528A (en) * | 2019-01-04 | 2020-08-07 | 益力半导体股份有限公司 | Variable-capacity tire thickness sensor |
| EP3725723A1 (en) * | 2019-04-15 | 2020-10-21 | Otis Elevator Company | Brake lining monitoring system |
| CN110514158A (en) * | 2019-09-12 | 2019-11-29 | 吉林省瑞普测控技术有限公司 | A kind of automobile brake simulator stand and its method for detecting DIV numerical value |
| CN112066864B (en) * | 2020-08-17 | 2022-05-17 | 太原理工大学 | Tubular heat exchanger ash and dirt online monitoring device and method based on capacitance principle |
| CN115420185B (en) * | 2022-11-04 | 2023-03-31 | 北京建筑大学 | Vehicle brake shoe residual thickness detection system |
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| JP2000304658A (en) * | 1999-04-26 | 2000-11-02 | Akebono Brake Ind Co Ltd | Inspection device for brake pad |
| CN102774373A (en) * | 2012-07-19 | 2012-11-14 | 安徽工业大学 | System and method for detecting thickness of automobile brake pad in real time |
| CN203948534U (en) * | 2014-02-25 | 2014-11-19 | 山东交通学院 | Automobile brake sheet early warning dangerous state device |
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| CN107747901A (en) * | 2017-12-06 | 2018-03-02 | 中国石油大学(华东) | A kind of new real-time continuous detecting system of brake block thickness |
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| CN208921046U (en) * | 2018-08-24 | 2019-05-31 | 合肥中科自动控制系统有限公司 | A kind of automobile brake disc automatic detection device |
-
2018
- 2018-08-24 CN CN201810972821.XA patent/CN108871173B/en active Active
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|---|---|---|---|---|
| JP2000304658A (en) * | 1999-04-26 | 2000-11-02 | Akebono Brake Ind Co Ltd | Inspection device for brake pad |
| CN102774373A (en) * | 2012-07-19 | 2012-11-14 | 安徽工业大学 | System and method for detecting thickness of automobile brake pad in real time |
| CN203948534U (en) * | 2014-02-25 | 2014-11-19 | 山东交通学院 | Automobile brake sheet early warning dangerous state device |
| CN107781332A (en) * | 2016-08-31 | 2018-03-09 | 北京智乐精仪科技有限公司 | Brake block component and brake block detection means |
| CN106641031A (en) * | 2016-12-02 | 2017-05-10 | 铜仁学院 | Brake pad and thickness detecting method |
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| 汽车刹车片厚度检测系统设计;韩贤贤;姚毅超;赵紫薇;金浩;;林业机械与木工设备(07);全文 * |
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| CN108871173A (en) | 2018-11-23 |
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