CN115789144A - Brake pad wear condition detection device - Google Patents
Brake pad wear condition detection device Download PDFInfo
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- CN115789144A CN115789144A CN202211289727.7A CN202211289727A CN115789144A CN 115789144 A CN115789144 A CN 115789144A CN 202211289727 A CN202211289727 A CN 202211289727A CN 115789144 A CN115789144 A CN 115789144A
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- detection device
- brake
- caliper
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- 238000001514 detection method Methods 0.000 title claims abstract description 69
- 238000006073 displacement reaction Methods 0.000 claims abstract description 40
- 230000017525 heat dissipation Effects 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims description 31
- 230000007246 mechanism Effects 0.000 claims description 25
- 239000003921 oil Substances 0.000 claims description 15
- 238000005259 measurement Methods 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000005299 abrasion Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
The invention discloses a brake pad abrasion condition detection device, wherein a first brake pad is fixedly connected to one side inside a caliper, an oil cylinder is embedded in the other side inside the caliper, a piston is connected in the oil cylinder in a sliding mode, one end of the piston penetrates out of the oil cylinder and then is fixedly connected with a second brake pad, a brake pad displacement detection device is embedded in the caliper on one side of the oil cylinder, a distance detection device is fixedly connected to the inner top of the caliper, one end of the distance detection device is in contact with a brake disc, a heat dissipation device is arranged at the lower end of the second brake pad, one end of the heat dissipation device is fixedly connected with a connecting frame, and the other end of the connecting frame is fixedly connected to one side of the lower end of the caliper. The invention aims to provide a brake pad abrasion condition detection device which can detect the thickness of a brake pad in real time and improve the heat dissipation of the brake pad in the braking and driving processes.
Description
Technical Field
The invention relates to the technical field of automobile brake systems, in particular to a brake pad abrasion condition detection device.
Background
The car is at the in-process of traveling, often can use brake function, the brake part of car is including fixed calliper, the calliper piston, the brake disc, parts such as carrier board and brake block, when the brake, reach the purpose that reduces the speed of a motor vehicle rapidly through the friction between brake block and the brake disc, consequently at the braking in-process, the brake block will wear and tear gradually, will lose braking effect when its thickness falls into certain threshold value, if can not in time change the brake block, life and property safety can seriously be endangered, but the thickness of present car brake block is only looked over the measurement through the manual work when the maintenance, lack real-time supervision device, so we have designed a brake block wearing and tearing condition detection device, can detect the measurement to the thickness of brake block in real time, thereby guarantee safety of traveling.
In addition, when the brake is used, a large amount of heat energy is generated by friction between the brake pads, the metal surface of the brake pad is softened due to overhigh temperature, the friction coefficient is reduced, the braking performance is reduced, and when the temperature rises to the upper limit of safe working of the brake pad and a tire, the brake fails or the tire bursts, so that the life and property safety is harmed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide the brake pad abrasion condition detection device which can detect the thickness of the brake pad in real time and improve the heat dissipation of the brake pad in the braking and driving processes.
The technical scheme adopted by the invention for realizing the purpose is as follows: the utility model provides a brake block wearing and tearing condition detection device, includes calliper, brake disc, distance detection device, brake block displacement detection device, heat abstractor, the first brake block of the inside one side fixedly connected with of calliper, the inside opposite side of calliper is inlayed and is equipped with the hydro-cylinder, hydro-cylinder one side fixedly connected with hydraulic pressure oil pipe, the hydraulic pressure oil pipe other end is worn out behind the calliper and is connected with the oil pressure master cylinder, sliding connection has the piston in the hydro-cylinder, fixedly connected with mounting panel behind the hydro-cylinder is worn out to piston one end, the mounting panel opposite side is provided with the fixed plate, a plurality of evenly distributed's of fixedly connected with heating panel between fixed plate and the mounting panel, the heating panel is used for improving the thermal diffusivity to the fixed plate, fixed plate opposite side fixedly connected with second brake block, the calliper of hydro-cylinder one side is embedded to be equipped with brake block displacement detection device, brake block displacement detection device is used for carrying out real-time detection to the displacement of brake block, the brake block displacement detection device other end is connected with the fixed plate, top fixedly connected with distance detection device in calliper one end and brake block lower extreme is connected with the heat abstractor is connected with the heat abstractor.
In some embodiments, a heat dissipation silica gel layer is disposed between the fixing plate and the second brake pad to improve tightness between the second brake pad and the fixing plate and improve heat conduction efficiency.
In some of these embodiments, brake block displacement detection device includes sliding sleeve, sliding block, slip guide arm, connecting plate, displacement measurement mechanism, sliding sleeve pipe one end fixedly connected with displacement measurement mechanism, displacement measurement mechanism and sliding sleeve build in respectively and connect in calliper, sliding sleeve sliding connection has the sliding block in, sliding block one end fixedly connected with slip guide arm, the slip guide arm other end is worn out sliding sleeve back fixedly connected with connecting plate, the connecting plate is built in and is connected between second brake block and fixed plate one side edge.
In some embodiments, the displacement measuring mechanism includes a first detection box, a first power supply, a first current sensor, a first resistance strip and a first metal strip, one end of the sliding sleeve is fixedly connected with the first detection box, the first detection box is internally and fixedly connected with the first power supply and the first current sensor, the inner side wall of the sliding sleeve is respectively and relatively connected with the first resistance strip and the first metal strip in an embedded manner, the sliding blocks are respectively contacted with the first resistance strip and the first metal strip in an attached manner, the two stages of the first power supply are respectively connected with the first metal strip and the first current sensor through leads, and the other end of the first current sensor is connected with the first resistance strip through leads.
In some embodiments, the distance detection device comprises a sliding guide rail, a sliding guide block, a distance detection mechanism, a fixing frame, a guide wheel and an elastic telescopic rod, the sliding guide rail is fixedly connected to the top of the inner side of the caliper, one end of the sliding guide rail is fixedly connected with the distance detection mechanism, the sliding guide block is slidably connected to the sliding guide rail, the fixing frame is fixedly connected to the lower end of the sliding guide block, the guide wheel is rotatably connected to the lower end of the fixing frame, the guide wheel is connected to a brake disc in a rolling manner, the elastic telescopic rod is fixedly connected to one side of the fixing frame, and the other end of the elastic telescopic rod is fixedly connected to the inner side wall of the caliper.
In some embodiments, the distance detection mechanism includes a second detection box, a second power supply, a second current sensor, a second resistance strip, and a second metal strip, the second detection box is fixedly connected to one end of the sliding guide rail, the second resistance strip is fixedly installed on the outer side wall of one side of the sliding guide rail, the second metal strip is fixedly installed on the outer side wall of the other side of the sliding guide rail, and the sliding guide blocks are respectively connected to the second metal strip. The second resistance strip is contradicted and is connected, fixed mounting has second power and second current sensor in the second detects the box, the positive and negative poles of second power are connected with second current sensor, second metal strip through the wire respectively, the second current sensor other end is connected with second resistance through the wire.
In some of these embodiments, the elastic telescopic rod includes flexible cover, movable block, ejector pin, spring, flexible cover one end fixed connection is on the calliper inside wall, sliding connection has the movable block in the flexible cover, fixedly connected with ejector pin on the movable block, fixed connection is in mount one side behind the flexible cover is worn out to ejector pin one end, the sliding sleeve is connected with the spring in the flexible cover of movable block opposite side, spring one end is contradicted with the movable block and is connected.
In some of these embodiments, heat abstractor includes shell body, drive shaft, the leaf that looses, ratchet structure, drive wheel, shell body one end fixed connection is on the link, the shell body other end inlays the solid fixed mounting and installs ratchet structure, the outside one side fixedly connected with drive wheel of ratchet structure, the solid fixed ring of the relative fixedly connected with of brake disc, drive wheel and solid fixed ring periphery lateral wall roll connection, ratchet structure other end fixedly connected with drive shaft, the drive shaft rotates to be connected in the shell body, the leaf that looses of fixedly connected with on the drive shaft, a plurality of fresh air inlets have been seted up on the shell body of link one side, the air outlet has been seted up to the shell body upper end, the air outlet sets up with the heating panel relatively.
The invention has the beneficial effects that: the device can calculate the distance between the brake disc and the inner side wall of the caliper through the distance detection device, the brake pad displacement detection device can detect the displacement distance of the brake pad, the abrasion degree of the brake pad can be judged through the increase of the displacement distance, and meanwhile, the device can improve the heat dissipation effect of the second brake pad through the heat dissipation device.
Drawings
FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the detail structure of the part A1 in FIG. 1;
FIG. 3 is a schematic view of the calculated length of the distance detection mechanism according to the present invention;
FIG. 4 is a schematic view of the calculated length of the displacement measuring mechanism of the present invention;
FIG. 5 is a schematic view of a cross-sectional connection structure of the sliding sleeve according to the present invention;
FIG. 6 is a schematic view of a cross-sectional top view of the sliding guide rail according to the present invention;
fig. 7 is a schematic sectional view of the elastic telescopic rod of the present invention.
In the figure: 1 caliper, 2 brake disc, 3 first brake pad, 4 oil cylinder, 5 piston, 6 mounting plate, 7 fixing plate, 8 heat-dissipating plate, 9 connecting frame, 10 heat-dissipating silica gel layer, 11 sliding sleeve, 12 sliding block, 13 sliding guide rod, 14 connecting plate, 15 displacement measuring mechanism, 16 first detecting box, 17 first power supply, 18 first current sensor, 19 first resistance strip, 20 first metal strip, 21 sliding guide rail, 22 sliding guide block, 23 distance detecting mechanism, 24 fixing frame, 25 guide wheel, 26 elastic telescopic rod, 27 second detecting box, 28 second power supply, 29 second current sensor, 30 second resistance strip, 31 second metal strip, 32 telescopic sleeve, 33 movable block, 34 push rod, 35 spring, 36 outer shell, 37 driving shaft, 38 fan blade, 39 ratchet structure, 40 driving wheel, 41 air inlet, 42 air outlet, 43 fixing ring and 44 second brake pad.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-7, a brake pad wear condition detection device, including calliper 1, brake disc 2, distance detection device, brake pad displacement detection device, heat abstractor, caliper 1 inside one side fixedly connected with first brake pad 3, caliper 1 inside opposite side is inlayed and is equipped with hydro-cylinder 4, hydro-cylinder 4 one side fixedly connected with hydraulic pressure oil pipe, the hydraulic pressure oil pipe other end is worn out calliper 1 after is connected with the oil pressure master cylinder, sliding connection has piston 5 in the hydro-cylinder 4, piston 5 one end is worn out hydro-cylinder 4 after fixedly connected with mounting panel 6, mounting panel 6 opposite side is provided with fixed plate 7, fixedly connected with a plurality of evenly distributed's heating panel 8 between fixed plate 7 and the mounting panel 6, heating panel 8 is used for improving the thermal diffusivity to fixed plate 7, fixed plate 7 opposite side embedded is connected with second brake pad 44, caliper 1 of hydro-cylinder 4 one side is equipped with brake pad displacement detection device, brake pad displacement detection device is used for carrying out real-time detection to the displacement of brake pad, the brake pad displacement detection device other end is connected with fixed plate 7, caliper 1 inside top fixedly connected with distance detection device, distance detection device one end contacts with brake disc 2, brake pad 2 to the inner wall, brake pad is connected with the heat dissipation efficiency improvement is connected with the heat dissipation device lower extreme that the heat dissipation is fixed connection is connected with second heat dissipation device that the calliper lower extreme that is connected with the heat dissipation frame that is fixed connection was used for the heat dissipation that is set up.
In some embodiments, the heat-dissipating silica gel layer 10 is disposed between the fixing plate 7 and the second brake pad 44, so as to improve tightness between the second brake pad 44 and the fixing plate 7 and improve heat-conducting efficiency.
In some embodiments, the brake pad displacement detecting device includes a sliding sleeve 11, a sliding block 12, a sliding guide rod 13, a connecting plate 14, and a displacement measuring mechanism 15, one end of the sliding sleeve is fixedly connected with the displacement measuring mechanism 15, the displacement measuring mechanism 15 includes a first detecting box 16, a first power supply 17, a first current sensor 18, a first resistive strip 19, and a first metal strip 20, one end of the sliding sleeve is fixedly connected with the first detecting box 16, the first detecting box 16 is internally and fixedly connected with the first power supply 17 and the first current sensor 18, the inner side wall of the sliding sleeve is respectively connected with the first resistive strip 19 and the first metal strip 20 in an embedded manner, the sliding block 12 is respectively contacted with the first resistive strip 19 and the first metal strip 20, two stages of the first power supply 17 are respectively connected with the first metal strip 20 and the first current sensor 18 through wires, the other end of the first current sensor 18 is connected with the first resistive strip 19 through wires, the displacement measuring mechanism 15 and the sliding sleeve 11 are respectively embedded and connected in the caliper 1, the sliding sleeve 11 is internally and slidably connected with a sliding block 12, one end of the sliding block 12 is fixedly connected with a sliding guide rod 13, the other end of the sliding guide rod 13 penetrates out of the sliding sleeve 11 and then is fixedly connected with a connecting plate 14, and the connecting plate 14 is embedded and connected between a second brake pad 44 and one side edge of the fixed plate 7. In the invention, the sliding sleeve 11 is made of insulating material, the sliding block 12 is made of metal conductor material, when in use, the first power supply 17, the first current sensor 18, the first resistance strip 19, the sliding block 12 and the first metal strip 20 mutually form a closed circuit, when in specific work, hydraulic oil is injected into the oil cylinder 4, the piston 5 is pushed to move towards the brake disc 2, the piston 5 drives the mounting plate 6 to move, the mounting plate 6 drives the fixed plate 7 to move, and the fixed plate 7 drives the second brake pad 44 to contact with the brake disc 2, at this time, the fixed plate 7 drives the sliding guide rod 13 to move outwards from the sliding sleeve 11, the sliding guide rod 13 drives the sliding guide block 22 to move in the sliding sleeve 11, at this time, the first resistor strip 19 between the sliding block 12 and the first current sensor 18 is lengthened, the resistance is increased, the current of the first current sensor 18 is reduced, the displacement length of the sliding block 12 is calculated through the reduced current value, that is, the displacement distance of the second brake pad 44 is obtained, and the specific calculation process is as follows:
first, it is known
In the formula, I is electricityA stream; u is a voltage; r is resistance;
it is known that
In the formula, P is resistivity; l is the resistance length; s is the cross-sectional area of the resistor;
thus, can obtain
In this formula, the resistor strips are connected in series in the first power supply 17, and the first metal strip 20 and the conducting wire are both conductive bodies, and the resistance thereof can be ignored, so that the voltage of the first power supply 17 is the voltage value of the length of the resistor strips in the path; when piston 5 is located at the innermost side of cylinder 4, slide block 12 is located at the innermost side of slide sleeve 11, and the current value of the energized length of first resistance bar 19 is I 1 After hydraulic oil is injected into the oil cylinder 4, the piston 5 drives the second brake pad 44 to move towards the brake disc 2 until the second brake pad 44 contacts with the brake disc 2, the fixing plate 7 drives the sliding guide rod 13 and the sliding block 12 to move towards the outside of the sliding sleeve 11, at this time, the energization length of the first resistor strip 19 is increased, the increased length is the same as the displacement length of the second brake pad 44, and meanwhile, the energization current value of the first resistor strip 19 is I 2 Thus, the length of the first resistor strip 19 added, i.e., the distance the second brake pad 44 is displaced, can be calculated as:
the calculated displacement length L of the second brake pad 44 1 The thickness H of the brake pad and the fixed value of the distance from the initial connecting plate 14 to the inner side wall of the caliper 1 are N, namely the distance M from the end face of the brake disc 2 to the inner side wall of the caliper 1.
In some embodiments, the distance detection device includes a slide rail 21, a slide guide 22, a distance detection mechanism 23, a fixing frame 24, a guide wheel 25, and an elastic telescopic rod 26, the slide rail 21 is fixedly connected to the top of the inside of the caliper 1, the distance detection mechanism 23 is fixedly connected to one end of the slide rail 21, and the distance detection mechanism 23 includes a second detection box 27, a second power supply 28, a second current sensor 29, and a second resistorThe strip 30 and the second metal strip 31, the second detection box 27 is fixedly connected to one end of the slide guide rail 21, the second resistance strip 30 is fixedly embedded on the outer side wall of one side of the slide guide rail 21, the second metal strip 31 is fixedly embedded on the outer side wall of the other side of the slide guide rail 21, and the slide guide block 22 is respectively connected with the second metal strip 31; second resistance strip 30 contradicts and connects, fixed mounting has second power 28 and second current sensor 29 in the second detects box 27, the positive and negative two poles of second power 28 respectively through the wire with second current sensor 29, second metal strip 31 is connected, the second current sensor 29 other end is connected with the second resistance through the wire, sliding connection has sliding guide 22 on sliding guide 21, sliding guide 22 lower extreme fixedly connected with mount 24, mount 24 lower extreme rotates and is connected with guide pulley 25, guide pulley 25 one side rolls and connects on brake disc 2, mount 24 one side fixed connection elasticity telescopic link 26, elasticity telescopic link 26 other end fixed connection is on calliper 1 inside wall, the invention, sliding guide 21 adopts the insulator material preparation, sliding guide 22 then adopts the metallic conductor material, in the time of use, second power 28, second current sensor 29, second resistance strip 30, establish ties each other through the wire between second metal strip 31 and form closed circuit, in operation, elasticity telescopic link 26 pushes mount 24 to move to brake disc 2 one end under the effect of internal spring 35 elasticity, drive sliding guide 21 to move to brake disc 2 direction simultaneously, make the mount 24 and brake disc 2 lower extreme move all the time, the length of second resistance strip is the circular telegram: l is a radical of an alcohol 2 The distance between the outermost side of the guide wheel 25 and the outermost side of the sliding guide block 22 is a fixed value Z, so the distance M between the brake disc 2 and the inner side wall of the caliper 1 has the length: l is a radical of an alcohol 2 +Z；
From this, the thickness H = L of the second brake pad 44 can be calculated 2 -L 1 + Z-N, so that the wear of the brake pad is judged by the thickness change of the second brake pad 44.
In some embodiments, the elastic telescopic rod 26 includes a telescopic sleeve 32, a movable block 33, a push rod 34, a spring 35, one end of the telescopic sleeve 32 is fixedly connected to the inner side wall of the caliper 1, a movable block 33 is slidably connected to the telescopic sleeve 32, a push rod 34 is fixedly connected to the movable block 33, one end of the push rod 34 penetrates out of the telescopic sleeve 32 and then is fixedly connected to one side of the fixed frame 24, an inner sliding sleeve 32 on the other side of the movable block 33 is connected to the spring 35, one end of the spring 35 is abutted to the movable block 33 and is connected to the movable block 33, in particular, when the brake disc works, the spring 35 pushes the movable block 33 to move outwards under the action of elastic force, the movable block 33 pushes the push rod 34 to move outwards the fixed frame 24, and accordingly the guide wheel 25 is in close contact with the brake disc 2.
In some embodiments, the heat dissipation apparatus includes an outer housing 36, a driving shaft 37, fan blades 38, a ratchet structure 39, and a driving wheel 40, one end of the outer housing 36 is fixedly connected to the connecting frame 9, the other end of the outer housing 36 is fixedly embedded with the ratchet structure 39, the outward side of the ratchet structure 39 is fixedly connected with the driving wheel 40, the opposite side of the brake disc 2 is fixedly connected with a fixing ring 43, the driving wheel 40 is in rolling connection with the peripheral sidewall of the fixing ring 43, the other end of the ratchet structure 39 is fixedly connected with the driving shaft 37, the driving shaft 37 is fixedly connected with a plurality of fan blades 38, the outer housing 36 on one side of the connecting frame 9 is provided with a plurality of air inlet holes 41, the upper end of the outer housing 36 is provided with an air outlet 42, the air outlet 42 is opposite to the heat dissipation plate 8, the automobile moves so that the wheel drives the brake disc 2 to rotate, the fixing ring 43 drives the fixing ring 43 to rotate the heat dissipation plate 40, the driving wheel 40 drives the driving shaft 37 to rotate through the ratchet structure 39, the driving shaft 37 drives the fan blades 38 to rotate in the outer housing 36, when the fan blades 38 rotate, under the centrifugal force, the air in the driving wheel 36 blows towards the heat dissipation plate 8 through the air outlet 42, thereby improving the heat dissipation efficiency of the second brake 44, when the brake disc stops, the inertia of the automobile, the driving wheel and the driving wheel 39 stops, the driving wheel 37 stops rotating of the driving wheel, the driving wheel 37 can still stops, and the driving wheel 37 can stop the driving wheel, and the driving wheel 8.
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 attributes 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 description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides a brake block wear condition detection device, includes calliper (1), brake disc (2), apart from detection device, brake block displacement detection device, heat abstractor, its characterized in that: the brake pad displacement detection device is characterized in that a first brake pad (3) is fixedly connected to one side inside the caliper (1), an oil cylinder (4) is embedded to the other side inside the caliper (1), a hydraulic oil pipe is fixedly connected to one side of the oil cylinder (4), the other end of the hydraulic oil pipe penetrates out of the caliper (1) and then is connected with a master oil pressure pump, a piston (5) is slidably connected to the oil cylinder (4), one end of the piston (5) penetrates out of a mounting plate (6) which is fixedly connected with the oil cylinder (4), a fixing plate (7) is arranged on the other side of the mounting plate (6), a plurality of uniformly distributed heat dissipation plates (8) are fixedly connected between the fixing plate (7) and the mounting plate (6), the heat dissipation plates (8) are used for improving the heat dissipation performance of the fixing plate (7), a second brake pad (44) is fixedly connected to the other side of the fixing plate (7), a brake pad displacement detection device is embedded in the caliper (1) on one side of the oil cylinder (4), the brake pad displacement detection device is used for detecting the moving distance of the brake pad in real time, the other end of the brake pad displacement detection device is connected with the fixing plate (7), the fixed distance between the caliper (1) and the brake pad (2) is used for detecting the distance between the brake pad, and the caliper (2) for detecting the distance between the caliper (2) for detecting the caliper, the heat dissipation device is arranged at the lower end of the second brake pad (44) and used for improving the heat dissipation efficiency of the second brake pad (44), one end of the heat dissipation device is fixedly connected with the connecting frame (9), and the other end of the connecting frame (9) is fixedly connected to one side of the lower end of the caliper (1).
2. A brake pad wear detection device according to claim 1, wherein: and a heat dissipation silica gel layer (10) is arranged between the fixing plate (7) and the second brake pad (44).
3. A brake pad wear detection device according to claim 1, wherein: brake block displacement detection device includes sliding sleeve (11), sliding block (12), smooth guide bar (13), connecting plate (14), displacement measurement mechanism (15), sliding sleeve pipe one end fixed connection has displacement measurement mechanism (15), displacement measurement mechanism (15) and sliding sleeve (11) are embedded solid respectively and are connected in calliper (1), sliding sleeve (11) internal sliding connection has sliding block (12), sliding block (12) one end fixedly connected with smooth guide bar (13), sliding sleeve (11) back fixedly connected with connecting plate (14) are worn out to smooth guide bar (13) other end, connecting plate (14) are embedded solid and are connected between second brake block (44) and fixed plate (7) a side edge.
4. A brake pad wear detection device according to claim 3, wherein: displacement measurement mechanism (15) are including first detection box (16), first power (17), first current sensor (18), first resistance strip (19), first metal strip (20), sliding sleeve one end fixedly connected with first detection box (16), fixedly connected with first power (17) and first current sensor (18) in first detection box (16), relative gomphosis is connected with first resistance strip (19) and first metal strip (20) respectively on the sliding sleeve intraductal lateral wall, sliding block (12) paste with first resistance strip (19) and first metal strip (20) respectively and touch, first power (17) two-stage is connected with first metal strip (20), first current sensor (18) respectively through the wire, first current sensor (18) other end is connected with first resistance strip (19) through the wire.
5. A brake pad wear detection device according to claim 1, wherein: distance detection device is including smooth guide rail (21), smooth guide block (22), distance detection mechanism (23), mount (24), guide pulley (25), elastic expansion rod (26), calliper (1) inboard top fixedly connected with smooth guide rail (21), smooth guide rail (21) one end fixedly connected with is apart from detection mechanism (23), sliding connection has smooth guide block (22) on smooth guide rail (21), smooth guide block (22) lower extreme fixedly connected with mount (24), mount (24) lower extreme rotates and is connected with guide pulley (25), guide pulley (25) one side roll connection is on brake disc (2), mount (24) one side fixed connection has elastic expansion rod (26), elastic expansion rod (26) other end fixed connection is on calliper (1) inside wall.
6. The brake pad wear detection device of claim 5, wherein: apart from detection mechanism (23) including second detection box (27), second power (28), second current sensor (29), second resistance strip (30), second metal strip (31), second detection box (27) fixed connection is in slideway (21) one end, solid on the lateral wall of slideway (21) one side installs second resistance strip (30), gu install second metal strip (31) on the lateral wall of slideway (21) opposite side, slide guide block (22) respectively with second metal strip (31). Second resistance strip (30) conflict and connect, fixed mounting has second power (28) and second current sensor (29) in second detection box (27), the positive and negative poles of second power (28) are connected with second current sensor (29), second metal strip (31) through the wire respectively, second current sensor (29) other end is connected with second resistance through the wire.
7. The brake pad wear detection device of claim 5, wherein: elastic telescopic rod (26) is including flexible cover (32), movable block (33), ejector pin (34), spring (35), flexible cover (32) one end fixed connection is on calliper (1) inside wall, sliding connection has movable block (33) in flexible cover (32), fixedly connected with ejector pin (34) are gone up in movable block (33), fixed connection is in mount (24) one side behind flexible cover (32) is worn out to ejector pin (34) one end, the flexible cover (32) inner sliding sleeve of movable block (33) opposite side is connected with spring (35), spring (35) one end is contradicted with movable block (33) and is connected.
8. A brake pad wear detection device according to claim 1, wherein: the heat dissipation device comprises an outer shell (36), a driving shaft (37), fan blades (38), a ratchet structure (39) and a driving wheel (40), wherein one end of the outer shell (36) is fixedly connected to a connecting frame (9), the ratchet structure (39) is fixedly installed at the other end of the outer shell (36), the driving wheel (40) is fixedly connected to one side of the ratchet structure (39) which faces outwards, a fixing ring (43) is fixedly connected to one side of a brake disc (2) which is opposite to the brake disc, the driving wheel (40) is in rolling connection with the peripheral side wall of the fixing ring (43), the driving shaft (37) is fixedly connected to the other end of the ratchet structure (39), the driving shaft (37) is rotatably connected to the outer shell (36), a plurality of fan blades (38) are fixedly connected to the driving shaft (37), a plurality of air inlet holes (41) are formed in the outer shell (36) on one side of the connecting frame (9), an air outlet (42) is formed in the upper end of the outer shell (36), and the air outlet (42) is arranged opposite to a heat dissipation plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211289727.7A CN115789144A (en) | 2022-10-20 | 2022-10-20 | Brake pad wear condition detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211289727.7A CN115789144A (en) | 2022-10-20 | 2022-10-20 | Brake pad wear condition detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115789144A true CN115789144A (en) | 2023-03-14 |
Family
ID=85433368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211289727.7A Pending CN115789144A (en) | 2022-10-20 | 2022-10-20 | Brake pad wear condition detection device |
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| CN (1) | CN115789144A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN118144758A (en) * | 2024-05-11 | 2024-06-07 | 建潘鲲鹭物联网技术研究院(厦门)有限公司 | New energy automobile braking system and method thereof |
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| CN118144758A (en) * | 2024-05-11 | 2024-06-07 | 建潘鲲鹭物联网技术研究院(厦门)有限公司 | New energy automobile braking system and method thereof |
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