CN114810880A - Vehicle brake pad abrasion detection device and detection system - Google Patents
Vehicle brake pad abrasion detection device and detection system Download PDFInfo
- Publication number
- CN114810880A CN114810880A CN202210732258.5A CN202210732258A CN114810880A CN 114810880 A CN114810880 A CN 114810880A CN 202210732258 A CN202210732258 A CN 202210732258A CN 114810880 A CN114810880 A CN 114810880A
- Authority
- CN
- China
- Prior art keywords
- brake pad
- brake
- vehicle brake
- permanent magnet
- detection device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D66/02—Apparatus for indicating wear
- F16D66/021—Apparatus for indicating wear using electrical detection or indication means
- F16D66/028—Apparatus for indicating wear using electrical detection or indication means with non-electrical sensors or signal transmission, e.g. magnetic, optical
-
- 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
- G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- 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
- F16D66/00—Arrangements for monitoring working conditions, e.g. wear, temperature
- F16D2066/005—Force, torque, stress or strain
Abstract
The invention relates to a vehicle brake pad abrasion detection device which comprises a base, a shell, a permanent magnet and a permanent magnet fixing sleeve, wherein the shell is annular, an inner annular boss is arranged on the inner wall of the shell, an outer annular boss is arranged on the outer wall of the permanent magnet fixing sleeve, the permanent magnet fixing sleeve is sleeved in the shell, a pressure detection element is arranged between the inner annular boss and the outer annular boss, and a damping body is arranged between the permanent magnet fixing sleeve and the base. The device has the advantages that the device for stably detecting the abrasion degree of the vehicle brake pad in the severe working environment of the brake disc is provided; the invention also discloses a brake pad wear detection system, which comprises a brake disc and brake calipers and comprises brake pistons arranged oppositely, wherein the brake pistons are provided with brake pad mounting plates, and the brake pad mounting plates are provided with vehicle brake pad wear detection devices. The invention has the advantages that firstly, the detection is stable, and the influence of the environment is small; and secondly, the detection result is convenient to fuse with other automatic detection systems of the vehicle.
Description
Technical Field
The invention relates to a vehicle brake pad abrasion detection device and a detection system, and belongs to the technical field of brake.
Background
The automobile disc brake is characterized in that the two sides of a brake disc are clamped through brake calipers to provide braking force, power is derived from a piston driven by hydraulic pressure, a brake pad is arranged at the end part of the piston, the piston pushes the brake pad to be in contact with the brake disc to realize friction braking, and the hydraulic pressure is controlled through the stroke of an automobile brake pedal.
The brake pad is an important component of an automobile braking system, and the performance of the brake pad is a key index for measuring the automobile braking effect. The working principle of the brake is mainly to utilize the friction force generated by the brake pad and the brake disc and the tyre and the ground to achieve the aim of decelerating or stopping the automobile. The thickness is an important parameter of the brake pad, and the thickness is related to the effectiveness of the brake, so that the driving safety is determined. In order to timely sense the abrasion condition of the brake pad, a great deal of effort is made, and various detection schemes are formed. For example, chinese patent application No. 201520569982.6 discloses a device comprising a support, a wire and a resistor, wherein two or more resistors are connected in parallel through the wire to form a circuit and fixed on a brake pad and rubbed together with the brake pad, when the brake pad is rubbed to a certain thickness, the corresponding part of the wire in the device is also broken due to the friction, thereby causing the resistance value of the circuit to change, and reflecting the information of the thickness range of the brake pad according to different electrical signals. However, the device has the disadvantages that more resistors are required to be added for measuring the thickness of the brake pad, the structure of the brake pad is required to be changed, the whole device is complicated, and real-time measurement is difficult to realize; the Chinese patent application with the application number of 201611093594.0 discloses a brake pad thickness detection method, a capacitor is formed by plating metal pole plates on two side walls of a groove on the surface of a brake pad, in the friction process, the effective positive area of the capacitor can be continuously reduced, so that the thickness of the brake pad is judged according to the capacitance between the two pole plates, but deposition scraps are easily generated at the groove of the device, the capacitance value is not only influenced by the positive area, and other uncontrollable factors can cause the inaccuracy of the detection result. As is known, the working environment of the brake pad is quite severe, and not only relates to high and low temperature changes, but also relates to the influence of uncertain factors such as dust, rainwater, strong vibration and the like. At present, many detection schemes including the above detection scheme are easy to generate uncertain measurement results under the above severe environment, and especially, a method of directly adopting weak current measurement on a brake pad is more greatly influenced by the environment.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the vehicle brake pad abrasion detection device which is more suitable for the use environment.
The technical scheme for solving the technical problems is as follows: a vehicle brake pad abrasion detection device comprises a base, a shell, a permanent magnet and a permanent magnet fixing sleeve, wherein the shell is of an annular structure, one end of the shell is fixed on the base, an inner annular boss is arranged on the inner wall of the shell, an outer annular boss corresponding to the inner annular boss is arranged on the outer wall of the permanent magnet fixing sleeve, the permanent magnet fixing sleeve is sleeved in the shell from the end of the base, and a pressure detection element is arranged between the inner annular boss and the outer annular boss; and a damping body is arranged between the permanent magnet fixing sleeve and the base.
The invention has the beneficial effects that: the vehicle brake pad abrasion detection device is fixed on the brake caliper and moves along with the horizontal movement of the brake pad, when the brake is performed, the gap between the permanent magnet and the brake disc is reduced, so that the generated magnetic attraction is increased, the distance between the permanent magnet and the brake disc can be judged according to the magnitude of the magnetic attraction when the brake is performed, the magnetic attraction acts on the pressure detection element, the distance can be converted into a pressure signal, and an electric signal is output, so that the abrasion condition of the brake pad can be more conveniently detected, particularly in the severe working environment of the brake disc, the brake pad abrasion detection device belongs to non-contact detection, is not influenced by vibration, temperature, rainwater and dust, and is stable and durable.
On the basis of the technical scheme, the invention can be further improved as follows.
Further, the pressure detection element is a pressure strain gauge or a pressure strain ring.
The beneficial effect of adopting above-mentioned further scheme is that, devices such as pressure strain gauge or pressure strain ring have been widely used in pressure measurement, and its output signal makes things convenient for the processing of later stage changer.
Furthermore, the permanent magnet fixing sleeve is an electromagnetic shielding sleeve.
The beneficial effect who adopts above-mentioned further scheme is, can reduce around ferromagnetic material to the influence of magnetic attraction.
Furthermore, the other end of the shell is also provided with an end cover.
Adopt above-mentioned further scheme's beneficial effect be, the device of being convenient for is sealed, dustproof, waterproof.
Further, the damping body is an elastic rubber plate or a spring.
Adopt above-mentioned further scheme's beneficial effect be, when the permanent magnet kept away from the brake disc, the damping physical stamina makes permanent magnet and permanent magnet fixed cover reset.
The invention also discloses a vehicle brake pad wear detection system which comprises a brake disc and brake calipers, wherein the brake calipers comprise oppositely arranged brake pistons, brake pad mounting plates are arranged on the brake pistons, brake pads are mounted on the brake pad mounting plates, and the vehicle brake pad wear detection devices are arranged on the brake pad mounting plates.
The detection principle of the system is as follows: the magnetic attraction between the two is influenced to the clearance size of permanent magnet apart from the magnetizer, and the two is in inverse relation, and the clearance is less promptly, and magnetic attraction is big more, and the clearance is big more, and magnetic attraction is little. Based on the principle, when the position of the brake disc serving as a magnetizer is kept still, the size of the gap between the magnet and the brake disc is changed, the size of the acting force between the magnet and the brake disc is correspondingly changed, the distance between the permanent magnet and the brake disc is converted into the size of the magnetic attraction force by utilizing the principle, and then the magnetic attraction force acts on the pressure detection element, is converted into an electric signal to reflect the abrasion degree of the brake pad, and is specially used for detecting the thickness abrasion condition of the vehicle brake pad in real time on line.
During the concrete use, when loosening the brake, detection device keeps away from the brake disc, and magnetic attraction is less this moment, also can set for zero: when stepping on the brake, the brake block leans on the brake disc, and detection device then moves forward in step to the position that is close to than leaving the brake disc, and great increase value can appear in magnetic attraction this moment, and thickness is more and more littleer in the brake block uses, and magnetic attraction also can increase thereupon, can be more stable like this learn the brake block wearing and tearing condition.
When the initial position is adjusted, the distance between the front end of the detection device and the brake pad is ensured, namely when the brake pad is worn to the lower limit, the detection device is closest to the brake disc but is not contacted.
The invention has the beneficial effects that: firstly, the change of the distance is reflected through the change of the magnetic attraction force, the non-contact measurement is realized, the whole stability is realized, the influence of vehicle vibration and environmental factors is small, and the detection precision cannot be influenced even when the brake pad has mud; secondly, a transmitter, a controller and the like can be arranged in a cab, so that the observation is convenient, and the influence of the on-site severe environment of the brake disc can be avoided; thirdly, the detection result is convenient to be fused with other automatic management systems of the vehicle.
Furthermore, the vehicle brake pad abrasion detection device is fixed on the brake pad mounting plate through a connecting piece.
The further scheme has the advantages that the brake caliper has ferromagnetism, so that the detection device is influenced; adopt the connecting piece can extend detection device to the place of keeping away from brake caliper, its main detection factor just becomes the brake disc and to its magnetic attraction, convenient stable detection like this. The connecting piece is preferably made of non-ferromagnetic material.
Furthermore, each brake pad mounting plate is provided with a vehicle brake pad abrasion detection device.
The beneficial effect who adopts above-mentioned further scheme is that, adopts two detection device, firstly can detect two brake block wearing and tearing condition respectively, secondly can carry out distance and operation through the controller, can more accurate measurement, comprehensive judgement.
Further, the device also comprises a pressure transmitter and a controller; the pressure transmitter amplifies the electric signal output by the pressure detection element and outputs the amplified electric signal to the controller, or further modulates the amplified electric signal into a standard communication signal and transmits the standard communication signal to the controller; the controller is used for converting the received electric signals into pressure and judging the abrasion degree of the brake pad according to the detected pressure. The standard communication signal is preferably a 4-20mA current signal specified in the HART protocol (Highway Addressable Remote Transducer) communication protocol.
The further scheme has the beneficial effects that the transducer and the controller can be used for fully utilizing the signals detected by the detection device to judge the abrasion degree of the brake pad so as to detect the brake safety system, or make early warning, or jointly judge the driving safety with the automatic vehicle control system.
Furthermore, an oil pressure channel is further arranged in the brake caliper and used for providing brake power for the brake piston.
The beneficial effect who adopts above-mentioned further scheme is that, this kind of brake caliper of built-in oil pressure passageway self structure is succinct more stable.
Drawings
FIG. 1 is a schematic perspective cross-sectional view of a vehicle brake pad wear detection device of the present invention;
FIG. 2 is a schematic diagram of the layout of pressure detecting elements in the wear detecting device for a vehicle brake pad according to the present invention;
FIG. 3 is a schematic cross-sectional view of a vehicle brake pad wear detection system of the present invention;
FIG. 4 is a detection control schematic diagram of the vehicle brake pad wear detection system of the present invention;
in the figure, 1, a vehicle brake pad abrasion detection device; 2. a brake caliper; 3. a brake piston; 4. a brake pad; 5. a brake pad mounting plate; 6. an oil pressure passage; 7. a brake disc; 8. a connecting member; 9. a pressure transmitter; 10. and a controller. 1-1, a base; 1-2, a shell; 1-2-1, inner annular boss; 1-3, permanent magnet; 1-4, fixing a permanent magnet sleeve; 1-4-1, an outer annular boss; 1-5, a pressure detection element; 1-6, a damping body; 1-7 and end covers.
Detailed Description
The principles and features of this invention are described below in conjunction with examples, which are set forth to illustrate, but are not to be construed to limit the scope of the invention.
As shown in figures 1 and 2, the vehicle brake pad abrasion detection device comprises a base 1-1, a shell 1-2, a permanent magnet 1-3 and a permanent magnet fixing sleeve 1-4, the shell 1-2 is of an annular structure, one end of the shell 1-2 is fixed on the base 1-1, the inner wall of the shell 1-2 is provided with an inner annular boss 1-2-1, the outer wall of the permanent magnet fixing sleeve 1-4 is provided with an outer annular boss 1-4-1 corresponding to the inner annular boss 1-2-1, the permanent magnet fixing sleeve 1-4 is arranged in the shell 1-2 from the end of the shell 1-2 close to the base 1-1, a pressure detection element 1-5 is arranged between the inner annular boss 1-2-1 and the outer annular boss 1-4-1; and damping bodies 1-6 are arranged between the permanent magnet fixing sleeves 1-4 and the base 1-1.
The pressure detection elements 1-5 are pressure strain gauges or pressure strain rings. In specific implementation, the pressure strain gauge can be adhered or embedded on the inner annular boss 1-2-1, and a signal wire is led out of the shell 1-2 and is used for connecting an external transmitter or a signal processing module; and the base 1-1 and the shell 1-2 are sealed, so that the permanent magnets 1-3 and the permanent magnet fixing sleeves 1-4 are encapsulated in the shell, and the whole waterproof, dustproof and anti-vibration effects are better.
The permanent magnet fixing sleeves 1-4 are electromagnetic shielding sleeves.
The other end of the shell 1-2 is also provided with an end cover 1-7. The arrangement of the end covers 1-7 is convenient for sealing the shells 1-2, and the smaller the distance between the permanent magnets 1-3 and the brake disc 7 is, the larger the magnetic attraction force between the permanent magnets 1-3 and the brake disc 7 is, so that when the detection device is closest to the brake disc, on the premise that the manufacturing process can be realized, and on the premise that the detection device is not in contact friction with the brake disc, the gap between the permanent magnets 1-3 and the brake disc 7 is required to be as small as possible, and is generally controlled within 3mm, so that the magnetic attraction force change detection is more sensitive.
The damping bodies 1-6 are elastic rubber plates or springs.
As shown in fig. 1-4, the invention also discloses a vehicle brake pad wear detection system, which comprises a brake disc 7 and a brake caliper 2, wherein the brake caliper 2 comprises a brake piston 3 which is arranged oppositely, a brake pad mounting plate 5 is arranged on the brake piston 3, a brake pad 4 is arranged on the brake pad mounting plate 5, and the vehicle brake pad wear detection device 1 is arranged on the brake pad mounting plate 5.
The vehicle brake pad abrasion detection device 1 is fixed on the brake pad mounting plate 5 through a connecting piece 8. The connecting piece 8 is preferably made of non-ferromagnetic materials, so that the connection rigidity is ensured, and the influences of vibration, acceleration and the like are avoided.
And each brake pad mounting plate 5 is provided with a vehicle brake pad abrasion detection device 1.
Also includes a pressure transmitter 9 and a controller 10; the pressure transmitter 9 amplifies the electric signal output by the pressure detection element and outputs the amplified electric signal to the controller 10; the controller 10 is used for determining the degree of wear of the brake pad 4 according to the detected pressure. Fig. 4 shows a schematic diagram of the detection and control of the wear detection system for a vehicle brake pad according to the present invention, in which two wear detection devices are provided and pressure transducers 9 are respectively provided.
An oil pressure channel 6 is further arranged in the brake caliper 2 and used for providing brake power for the brake piston 3.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a vehicle brake block wearing and tearing detection device, its characterized in that, includes the fixed cover of base, casing, permanent magnet, the casing is loop configuration, the one end of casing is fixed on the base, shells inner wall is equipped with interior annular boss, the fixed cover outer wall of permanent magnet be equipped with the outer annular boss that interior annular boss is corresponding, the fixed cover of permanent magnet is followed the base pot head dress is in the casing, be equipped with the pressure detection component between interior annular boss and the outer annular boss, be equipped with the damping body between the fixed cover of permanent magnet and the base.
2. The vehicle brake pad wear detection device according to claim 1, wherein the pressure detection element is a pressure strain gauge or a pressure strain ring.
3. The vehicle brake pad wear detection device according to claim 1 or 2, wherein the permanent magnet fixing sleeve is an electromagnetic shield sleeve.
4. The vehicle brake pad wear detection device of claim 3, wherein the other end of the housing is further provided with an end cap.
5. The vehicle brake pad wear detection device of claim 3, wherein the damping body is an elastic rubber plate or a spring.
6. A vehicle brake pad wear detection system, includes brake disc and brake calliper, brake calliper includes the relative brake piston that sets up, be equipped with the brake pad mounting panel on the brake piston, install the brake pad on the brake pad mounting panel, characterized in that, be equipped with the vehicle brake pad wear detection device of any one of claims 1 ~ 5 on the brake pad mounting panel.
7. The vehicle brake pad wear detection system of claim 6, wherein the vehicle brake pad wear detection device is secured to the brake pad mounting plate by a connector.
8. The vehicle brake pad wear detection system of claim 7, wherein each of the brake pad mounting plates has a vehicle brake pad wear detection device disposed thereon.
9. The vehicle brake pad wear detection system of claim 6 or 7, further comprising a pressure transducer and a controller; the pressure transmitter amplifies the electric signal output by the pressure detection element and outputs the amplified electric signal to the controller; and the controller is used for judging the abrasion degree of the brake pad according to the detected pressure.
10. The vehicle brake pad wear detection system of claim 6 or 7, wherein an oil pressure passage is further provided in the brake caliper for providing braking power to the brake piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210732258.5A CN114810880B (en) | 2022-06-27 | 2022-06-27 | Vehicle brake pad abrasion detection device and detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210732258.5A CN114810880B (en) | 2022-06-27 | 2022-06-27 | Vehicle brake pad abrasion detection device and detection system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114810880A true CN114810880A (en) | 2022-07-29 |
| CN114810880B CN114810880B (en) | 2022-09-02 |
Family
ID=82521692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210732258.5A Active CN114810880B (en) | 2022-06-27 | 2022-06-27 | Vehicle brake pad abrasion detection device and detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114810880B (en) |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09210106A (en) * | 1996-01-30 | 1997-08-12 | Hitachi Building Syst Co Ltd | Abnormal condition diagnosing device for brake |
| CN101003352A (en) * | 2006-01-20 | 2007-07-25 | 常熟市电梯曳引机厂有限公司 | Self float type electromagnetic brake |
| JP2008144869A (en) * | 2006-12-11 | 2008-06-26 | Shinko Electric Co Ltd | Brake and clutch including means for detecting wear of friction plate |
| JP2008144786A (en) * | 2006-12-06 | 2008-06-26 | Shinko Electric Co Ltd | Electromagnetic brake and electromagnetic clutch including means for detecting wear of friction plate |
| CN101341009A (en) * | 2005-12-19 | 2009-01-07 | Abb技术股份有限公司 | Braking device for a robot actuator and method for monitoring the state of a brake |
| FI20115547A0 (en) * | 2011-06-07 | 2011-06-07 | Kone Corp | Method and arrangement for adjusting the brake |
| CN203685946U (en) * | 2013-12-31 | 2014-07-02 | 浙江吉利控股集团有限公司 | Feedback-type automobile disc brake |
| CN206943283U (en) * | 2017-05-04 | 2018-01-30 | 蒂森克虏伯电梯（上海）有限公司 | For the detection means and elevator of the braking pad wear for detecting electromagnetic brake |
| CN107745707A (en) * | 2017-10-10 | 2018-03-02 | 成都大学 | A kind of automobile brake sheet detection and EBA |
| CN109733368A (en) * | 2019-01-18 | 2019-05-10 | 江苏大学 | A kind of line control brake system and its control method of anti-failure |
| CN110207728A (en) * | 2018-02-28 | 2019-09-06 | 北京金风科创风电设备有限公司 | Brake pad wear detection method and device and wind generating set yaw system |
| CN210637421U (en) * | 2019-09-12 | 2020-05-29 | 安徽创新电磁离合器有限公司 | Electromagnetic brake with wear loss monitoring function |
| CN111619540A (en) * | 2020-06-15 | 2020-09-04 | 山东金麒麟股份有限公司 | Disc brake pad wear monitoring sensor, alarm system and alarm method |
| CN212654342U (en) * | 2020-06-15 | 2021-03-05 | 山东金麒麟股份有限公司 | Disc brake pad wear monitoring sensor and alarm system |
| CN212804017U (en) * | 2020-08-27 | 2021-03-26 | 荆州市邦达汽车零部件有限公司 | Brake pad wear sensor |
| CN212839399U (en) * | 2020-08-06 | 2021-03-30 | 无锡伊格尔博格曼科技有限公司 | Mechanical seal for accurately detecting abrasion loss |
| CN113217282A (en) * | 2021-05-27 | 2021-08-06 | 刘思若 | Brake of wind driven generator |
| CN113720285A (en) * | 2021-07-16 | 2021-11-30 | 池州职业技术学院 | Automobile brake pad thickness detection device |
| CN215059056U (en) * | 2021-11-05 | 2021-12-07 | 天津恒信永盛传动机械设备有限公司 | Electromagnetic brake elastic part with wear loss monitoring function |
| CN113775680A (en) * | 2021-08-05 | 2021-12-10 | 柴周博杰 | Automatic detection and alarm device for abrasion degree of automobile brake pad |
-
2022
- 2022-06-27 CN CN202210732258.5A patent/CN114810880B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09210106A (en) * | 1996-01-30 | 1997-08-12 | Hitachi Building Syst Co Ltd | Abnormal condition diagnosing device for brake |
| CN101341009A (en) * | 2005-12-19 | 2009-01-07 | Abb技术股份有限公司 | Braking device for a robot actuator and method for monitoring the state of a brake |
| CN101003352A (en) * | 2006-01-20 | 2007-07-25 | 常熟市电梯曳引机厂有限公司 | Self float type electromagnetic brake |
| JP2008144786A (en) * | 2006-12-06 | 2008-06-26 | Shinko Electric Co Ltd | Electromagnetic brake and electromagnetic clutch including means for detecting wear of friction plate |
| JP2008144869A (en) * | 2006-12-11 | 2008-06-26 | Shinko Electric Co Ltd | Brake and clutch including means for detecting wear of friction plate |
| FI20115547A0 (en) * | 2011-06-07 | 2011-06-07 | Kone Corp | Method and arrangement for adjusting the brake |
| CN203685946U (en) * | 2013-12-31 | 2014-07-02 | 浙江吉利控股集团有限公司 | Feedback-type automobile disc brake |
| CN206943283U (en) * | 2017-05-04 | 2018-01-30 | 蒂森克虏伯电梯（上海）有限公司 | For the detection means and elevator of the braking pad wear for detecting electromagnetic brake |
| CN107745707A (en) * | 2017-10-10 | 2018-03-02 | 成都大学 | A kind of automobile brake sheet detection and EBA |
| CN110207728A (en) * | 2018-02-28 | 2019-09-06 | 北京金风科创风电设备有限公司 | Brake pad wear detection method and device and wind generating set yaw system |
| CN109733368A (en) * | 2019-01-18 | 2019-05-10 | 江苏大学 | A kind of line control brake system and its control method of anti-failure |
| CN210637421U (en) * | 2019-09-12 | 2020-05-29 | 安徽创新电磁离合器有限公司 | Electromagnetic brake with wear loss monitoring function |
| CN111619540A (en) * | 2020-06-15 | 2020-09-04 | 山东金麒麟股份有限公司 | Disc brake pad wear monitoring sensor, alarm system and alarm method |
| CN212654342U (en) * | 2020-06-15 | 2021-03-05 | 山东金麒麟股份有限公司 | Disc brake pad wear monitoring sensor and alarm system |
| CN212839399U (en) * | 2020-08-06 | 2021-03-30 | 无锡伊格尔博格曼科技有限公司 | Mechanical seal for accurately detecting abrasion loss |
| CN212804017U (en) * | 2020-08-27 | 2021-03-26 | 荆州市邦达汽车零部件有限公司 | Brake pad wear sensor |
| CN113217282A (en) * | 2021-05-27 | 2021-08-06 | 刘思若 | Brake of wind driven generator |
| CN113720285A (en) * | 2021-07-16 | 2021-11-30 | 池州职业技术学院 | Automobile brake pad thickness detection device |
| CN113775680A (en) * | 2021-08-05 | 2021-12-10 | 柴周博杰 | Automatic detection and alarm device for abrasion degree of automobile brake pad |
| CN215059056U (en) * | 2021-11-05 | 2021-12-07 | 天津恒信永盛传动机械设备有限公司 | Electromagnetic brake elastic part with wear loss monitoring function |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114810880B (en) | 2022-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100526833C (en) | Disc type brake performance detection method and device | |
| CN103818374B (en) | A kind of automobile brake sheet thickness real-time detection method | |
| CA2402889A1 (en) | Brake monitoring system | |
| US5574365A (en) | Travel sensor having a magnetic sensor attached to a truncated pyramid and a movable magnet | |
| CN201311272Y (en) | Non-contact high-precision angle sensor | |
| US7398141B2 (en) | Gravity based brake stroke sensor methods and systems | |
| CN114810880B (en) | Vehicle brake pad abrasion detection device and detection system | |
| CN111323113A (en) | Resistance type vibration sensor based on magnetic sensitive material | |
| CN102554928B (en) | Control method for quelling robot of vibration acceleration transducer | |
| CN102011763A (en) | Hydraulic cylinder for driving self-mounting oil production platform to lift | |
| US5135251A (en) | Active oscillation damping sensor for measuring relative velocity between body and axle | |
| CN210195873U (en) | Device suitable for real-time monitoring of temperature of small-end bushing of connecting rod of internal combustion engine | |
| CN209689921U (en) | Hooke's joint service life early warning sensor | |
| CN103604440A (en) | High precision odometer | |
| WO2023168030A1 (en) | Pedal pad assemblies | |
| CN216745919U (en) | External magnetic induction displacement measurement system for stroke device | |
| CN111307273B (en) | Inductance type vibration sensor based on magnetic sensitive material | |
| CN203479252U (en) | Novel automobile body height sensor | |
| CN115406551A (en) | Bearing inner race temperature monitoring device of wireless power supply | |
| CN212779708U (en) | Pressure sensor with contact stabilizing device | |
| CN202545794U (en) | Neutral-gear switch of automobile gearbox | |
| CN109682498A (en) | A kind of Hooke's joint temperature pre-warning sensor | |
| CN201687798U (en) | Hydraulic cylinder used for driving the lifting of self-installed oil production platform | |
| CN212254423U (en) | Pressure sensor based on linear Hall | |
| JP2020517868A (en) | Combined detection of wear on components of the brake system, especially for motorized vehicles |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |