CN205559629U - Car magnetism composite brake ware that rubs based on magnetism coupling effect that rubs - Google Patents
Car magnetism composite brake ware that rubs based on magnetism coupling effect that rubs Download PDFInfo
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- CN205559629U CN205559629U CN201620136627.4U CN201620136627U CN205559629U CN 205559629 U CN205559629 U CN 205559629U CN 201620136627 U CN201620136627 U CN 201620136627U CN 205559629 U CN205559629 U CN 205559629U
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- backboard
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- friction plate
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Abstract
The utility model discloses a car magnetism composite brake ware that rubs based on magnetism coupling effect that rubs, excitation coil is twined respectively on left and right backplate surface, and the through -hole is seted up on left backplate surface, and the deep hole is seted up to left friction disc side, and the sensor arranges in the deep hole of left friction disc that on left backplate was fixed in brake caliper, left friction disc was connected with left backplate, and left friction disc pastes tight brake disc left side surface, the deep hole is seted up on right side friction disc surface, and logical groove is seted up to right backplate side table, and the sensor is placed in right friction disc deep hole, and right friction disc is connected with right backplate, and on right backplate was fixed in the piston body, it is fixed with brake caliper that the piston body passes through the double -screw bolt, the sensor supporting body welds the upper surface in brake caliper, arranges that the sensor is in the supporting body, all sensors are connected with calculation is electromechanical. Utilizing magnetic field to the positive role of friction action, improving friction brake performance, the important state parameter of real -time supervision carries out timely feedback regulation to the braking process exception condition, improves braking system's stability and reliability.
Description
Technical field
This utility model relates to a kind of brake, is specifically related to a kind of rub composite braking device based on the rub automobile magnetic of coupling effect of magnetic.
Background technology
Brakes is the important component part of vehicle structure, and the safety of normal traveling and driving personnel for ensureing automobile has vital effect.Along with the development of auto industry technology, disk brake is excellent by its simple in construction, braking effect and the stability distinguishing feature such as preferably, obtains application widely in field of automobile brake.But; realize slowing down and stopping owing to disk brake relies primarily on the rubbing action between friction plate and brake disc; friction Temperature Rise is too high often can cause heat fading phenomenon; and brake pressure is unstable, load the abrasion that all can aggravate friction plate such as excessive, thus the braking ability of brake is produced conclusive impact.
Electromagnetic braking is as a kind of contactless braking model, convert kinetic energy into heat energy by conductor cutting magnetic induction line and distribute realization deceleration, due to have response rapidly, braking is stable, do not produce the advantage such as dust and noise, be gradually applied and as the major way of car auxiliary brake.But, automobile electromagnetic is braked and be there is also following shortcoming: 1) the existing application majority to electromagnetic braking is installing electromagnetic retarder on Automobile shaft, formed based on frictional damping, electromagnetic retarding is auxiliary brakes, the most not only make structure increasingly complex, considerably increase the cost of manufacture simultaneously；2) although also having on the basis of brake original structure and carrying out transforming and adding magnet exciting coil, but simply in view of friction and the simple superposition of two kinds of modes of braking of electromagnetism and the simple switching of two kinds of braking modes, have ignored the interaction between magnetic field and friction and impact completely；3) Frotteurism is the key factor affecting automobile brake perfrmance, but existing brakes seldom has and monitors the important parameter in braking procedure in real time, and can carry out feedback regulation automatic, accurate in abnormal cases.Such as, retrieval finds: patent CN102128227A and CN102287460A devise a set of set electromagnetism and the arrestment mechanism of permanent magnetism respectively in former brake, patent CN102691737A discloses the brake of a kind of double braking disc type, though can according to different velocity conditions control friction, the two kinds of modes of braking in magnetic field with the use of, but this type of design not only makes frame for movement extremely complex, and all do not consider the coupling effect between magnetic field and friction, more it is not related to the monitoring to brake parameters and feedback regulation；Though patent CN104482080A proposes to install sensor, brake pressure, rotating speed are monitored, but are only used to control the start and stop of different braking pattern.Therefore, the theoretical basis of coupling effect of rubbing based on magnetic, design one and can utilize the magnetic field positive impact on friction behavior, important state parameter in braking procedure can be monitored again and the brake of feedback regulation, have very important significance for improving braking ability, raising insensitivity and guarantee driving safety.
Summary of the invention
The problem existed for above-mentioned prior art, this utility model provides a kind of and rubs composite braking device based on the rub automobile magnetic of coupling effect of magnetic, make full use of the magnetic field positive role to friction behavior, improve the braking ability of frictional damping, magnetic-particle solid magnetizing may be caused for friction, thus the problem producing the opposing magnetic field weakening electromagnetism magnetic field intensity, by monitoring the important state parameters such as temperature, rotating speed and brake pressure in real time, the abnormal conditions of braking procedure are carried out feedback regulation timely, improves stability and the reliability of brakes.
To achieve these goals, the technical solution adopted in the utility model is: a kind of rub composite braking device based on the rub automobile magnetic of coupling effect of magnetic, rubs brakes and TT&C system including magnetic, and TT&C system includes sensor and computer；Magnetic brakes of rubbing includes brake disc, braking clamp body, left backboard, left friction plate, sensor body carrier, right friction plate, right backboard, piston cover and piston, left backboard, right backboard circumferential surface is wound with left magnet exciting coil respectively, right magnet exciting coil, left backboard in axial direction offers through hole to right surface from left surface, left friction plate left-hand face offers deep hole, transducer arrangements is in the deep hole of left friction plate, its wire is drawn from the through hole of left backboard, left backboard is fixed on braking clamp body, left friction plate is connected with left backboard, and left friction plate is adjacent to brake disc left-hand face；Right friction plate offers deep hole in right lateral surface, right backboard radially offers groove to circumferential surface from its left-hand face, sensor is placed in right friction plate deep hole, wire is drawn from the groove of right backboard, right friction plate is connected with right backboard, right backboard is fixed on piston body, and piston body is fixed with braking clamp body by stud；Offering through hole on the oil-in sidewall of braking clamp body, through hole is stepped shape, and placement sensor is in through hole；Sensor body carrier is welded in braking clamp body upper surface, and placement sensor is in supporting body；All the sensors electrically connects with computer.
Described sensor body carrier is made up of lid and gripper shoe two parts, through hole is offered respectively at lid and gripper shoe surface, lid is connected with gripper shoe by bolt, and gripper shoe is welded in braking clamp body upper surface, and sensor is arranged on the interior volume between lid and gripper shoe.
The described sensor being arranged in left friction plate deep hole is temperature sensor.
The deep hole quantity that described left friction plate left-hand face is offered is five, is respectively provided with a temperature sensor in each deep hole.
Groove is offered in one week in described left backboard, right backboard circumferentially surface, and backboard is I-shaped shape, and left magnet exciting coil, right magnet exciting coil are respectively wound around in the groove of left backboard, right backboard.
The described sensor being arranged in sensor body carrier is speed probe.
The described sensor being arranged in right friction plate deep hole is Hall element.
The described sensor being arranged in braking clamp body through hole is pressure transducer.
Described left friction plate and right friction plate are the composite friction material of magnetic conductivity, and braking clamp body, left backboard, brake disc and right backboard are the metal material of magnetic conductivity.
Compared with prior art, the material of this utility model friction plate uses the composite friction material of magnetic conductivity, it is possible to makes full use of magnetic field and weares and teares frictional behaviour and the positive role of behavior, reduction material be greatly improved the braking ability of frictional damping；The huge number of sensor, and mounting means is special, magnetic field intensity, temperature, rotating speed and brake pressure can be monitored in real time, on the one hand magnetic-particle solid magnetizing may can be caused for friction, and the problem producing the opposing magnetic field weakening electromagnetism magnetic field intensity, realize the accuracy controlling to electromagnetism magnetic field intensity, on the other hand can be according to the situation of change of other state parameters monitored, by closed loop feedback system, the abnormality occurred in braking procedure is automatically adjusted, improve stability and the reliability of brakes.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of this utility model sensor body carrier；
Fig. 3 is TT&C system schematic diagram；
In figure: 1, brake disc, 2, braking clamp body, 3, left backboard, 4, left magnet exciting coil, 5, temperature sensor, 6, left friction plate, 7, sensor body carrier, 71, upper cover body, 72, gripper shoe, 73, bolt, 8, speed probe, 9, right friction plate, 10, Hall element, 11, right backboard, 12, right magnet exciting coil, 13, piston cover, 14, sealing ring, 15, pressure transducer, 16, piston, 17, stud.
Detailed description of the invention
The utility model is described in further detail below in conjunction with the accompanying drawings.
As it is shown in figure 1, this rubs composite braking device based on the rub automobile magnetic of coupling effect of magnetic, rubbing brakes and TT&C system including magnetic, TT&C system includes sensor and computer；
Magnetic brakes of rubbing includes brake disc 1, braking clamp body 2, left backboard 3, left friction plate 6, sensor body carrier 7, right friction plate 9, right backboard 11, piston cover 13 and piston 16,
Left backboard 3, groove is offered in one week in right backboard 11 circumferentially surface, backboard is I-shaped shape, left magnet exciting coil 4, right magnet exciting coil 12 is respectively wound around left backboard 3, in the groove of right backboard 11, left backboard 3 in axial direction offers through hole to right surface from left surface, number of openings is five, left friction plate 6 left-hand face offers deep hole, deep hole quantity is five, a temperature sensor 5 it is respectively provided with in each deep hole, through hole offers position, and to offer position with deep hole corresponding, the central axis of the through hole that the deep hole axis on left friction plate 6 is corresponding with on left backboard 3 is on same straight line, the wire of temperature sensor 5 is drawn from the through hole of left backboard 3, its main purpose is the temperature conditions being obtained left friction plate 6 diverse location by multimetering, ensure monitoring result more accurately and reliably；Left backboard 3 is fixed on braking clamp body 2, and left friction plate 6 is connected with left backboard 3, and left friction plate 6 is adjacent to brake disc 1 left-hand face；
Right friction plate 9 offers deep hole in right lateral surface, right backboard 11 radially offers groove to circumferential surface from its left-hand face, in right friction plate 9 deep hole, Hall element 10 is set, the wire of Hall element 10 is drawn from the groove of right backboard 11, right friction plate 9 is connected with right backboard 11, right backboard 11 is fixed on piston body 16, and piston body 16 is fixed with braking clamp body 2 by stud 17；
Through hole is offered on the oil-in sidewall of braking clamp body 2, the through hole offered is made up of upper and lower two parts, upper part is the deep hole being relatively large in diameter, lower part is to continue the through hole that the diameter offered downwards is less from deep hole bottom surface, thus form stairstepping, arranging pressure transducer 15 in through hole, the inductive head of pressure transducer 15 enters oil-in by through hole；
As shown in Figure 2; sensor body carrier 7 is made up of lid 71 and gripper shoe 72 two parts; through hole is offered respectively at lid 71 and gripper shoe 72 surface; lid 71 is connected with gripper shoe 72 by bolt 73; gripper shoe 72 is welded in braking clamp body 2 upper surface; speed probe 8 is vertically arranged in the interior volume between lid 71 and gripper shoe 72; speed probe 8 head passes through from the lead to the hole site of gripper shoe 72; wire is drawn from the through hole of lid 71, and lid 71 can play the fixing and effect of protection speed probe 8 simultaneously；
All the sensors is connected with single-chip microcomputer input interface by wire, and the power-on circuit of magnet exciting coil and the control circuit of hydraulic circuit are connected with the output interface of single-chip microcomputer, and serial port of single chip computer is connected to computer expansion interface by data wire.
Braking clamp body 2, left backboard 3, brake disc 1 and right backboard 11 are the metal material of magnetic conductivity, and left and right magnet exciting coil produces magnetic field after being passed through electric current, and brake disc 1 cutting magnetic line of rotation forms current vortex braking i.e. electromagnetic braking；Left friction plate 6 and right friction plate 9 are the composite friction material of Novel magnetic conduction, magnetic field so can be utilized frictional behaviour and the positive impact of behavior, reduce the abrasion of brake material and be greatly improved the braking ability of frictional damping.
As shown in Figure 3, observing and controlling process of the present utility model is: the signals such as magnetic field intensity, temperature, rotating speed and brake pressure are acquired by each sensor respectively, rear signal after filtering, processing and amplifying and A/D conversion reach single-chip microcomputer, and stored to computer by data line transfer again, signal is analyzed, processes by rear computer, and shows the situation of change of each parameter at display interface；Simultaneously, feedback signal exports in time through data wire and reaches single-chip microcomputer, through D/A conversion, amplify and be transmitted separately to the power-on circuit of magnet exciting coil and the control circuit of hydraulic circuit after Filtering Processing, change and be passed through the electric current of magnet exciting coil and the size of oil liquid pressure, thus realize electromagnetism magnetic field intensity and the purpose of brake pressure.It is likely to result in magnetic-particle solid magnetizing for the friction of braking procedure high speed, produce the magnetic field contrary with electromagnetism magnetic direction, thus the situation of weakened field intensity, the magnetic field intensity signal monitored in real time is reached computer by Hall element 10, signal after computer will weaken compares with the field strength values of setting, try to achieve difference, and be modified by pid algorithm, after by feedback signal transmission to magnet exciting coil power-on circuit, regulation magnet exciting coil both end voltage, it is achieved the accuracy controlling to electromagnetism magnetic field intensity.Additionally, speed is too high when driving, increases magnet exciting coil voltage by feedback system thus increase the intensity of electromagnetic braking, make full use of magnetic field the most at high speeds and realize braking, reduce speed to normal range；When temperature raises abnormal, reduce oil liquid pressure size in time by signal feedback thus reduce the frictional strength between friction plate and brake disc 1, enable temperature value to recover to friction plate to bear in the range of；When brake pressure is excessive or fluctuation changes, changes oil liquid pressure by feedback signal, thus brake pressure is regulated to normal value；So by setting up closed loop feedback system, according to the abnormal conditions in braking procedure, it is achieved the most accurately regulation of brakes, usefulness and the reliability of braking can be improved further.
Claims (9)
1. rub a composite braking device based on the rub automobile magnetic of coupling effect of magnetic, rub brakes and TT&C system including magnetic, it is characterised in that
TT&C system includes sensor and computer；
Magnetic brakes of rubbing includes the composite friction material that material is magnetic conductivity of brake disc (1), braking clamp body (2), left backboard (3), left friction plate (6), sensor body carrier (7), right friction plate (9), right backboard (11), piston cover (13) and piston (16), left friction plate (6) and right friction plate (9)；
Left backboard (3), right backboard (11) circumferential surface are wound with left magnet exciting coil (4), right magnet exciting coil (12) respectively, left backboard (3) in axial direction offers through hole to right surface from left surface, left friction plate (6) left-hand face offers deep hole, transducer arrangements is in the deep hole of left friction plate (6), its wire is drawn from the through hole of left backboard (3), left backboard (3) is fixed on braking clamp body (2), left friction plate (6) is connected with left backboard (3), and left friction plate (6) is adjacent to brake disc (1) left-hand face；
Right friction plate (9) offers deep hole in right lateral surface, right backboard (11) radially offers groove to circumferential surface from its left-hand face, sensor is placed in right friction plate (9) deep hole, wire is drawn from the groove of right backboard (11), right friction plate (9) is connected with right backboard (11), right backboard (11) is fixed on piston body (16), and piston body (16) is fixed with braking clamp body (2) by stud (17)；
Offering through hole on the oil-in sidewall of braking clamp body (2), through hole is stepped shape, and placement sensor is in through hole；
Sensor body carrier (7) is welded in braking clamp body (2) upper surface, and placement sensor is in supporting body (7)；
All the sensors electrically connects with computer.
The most according to claim 1 a kind of rub composite braking device based on the rub automobile magnetic of coupling effect of magnetic, it is characterized in that, described sensor body carrier (7) is made up of lid (71) and gripper shoe (72) two parts, through hole is offered respectively at lid (71) and gripper shoe (72) surface, lid (71) is connected with gripper shoe (72) by bolt (73), gripper shoe (72) is welded in braking clamp body (2) upper surface, and sensor is arranged on the interior volume between lid (71) and gripper shoe (72).
The most according to claim 1 a kind of rub composite braking device based on the rub automobile magnetic of coupling effect of magnetic, it is characterised in that the described sensor being arranged in left friction plate (6) deep hole is temperature sensor (5).
The most according to claim 3 a kind of rub composite braking device based on the rub automobile magnetic of coupling effect of magnetic, it is characterised in that the deep hole quantity that described left friction plate (6) left-hand face is offered is five, is respectively provided with a temperature sensor (5) in each deep hole.
The most according to claim 1 a kind of rub composite braking device based on the rub automobile magnetic of coupling effect of magnetic, it is characterized in that, groove is offered in one week in described left backboard (3), right backboard (11) circumferentially surface, backboard is I-shaped shape, and left magnet exciting coil (4), right magnet exciting coil (12) are respectively wound around in the groove of left backboard (3), right backboard (11).
The most according to claim 2 a kind of rub composite braking device based on the rub automobile magnetic of coupling effect of magnetic, it is characterised in that the described sensor being arranged in sensor body carrier (7) is speed probe (8).
The most according to claim 1 a kind of rub composite braking device based on the rub automobile magnetic of coupling effect of magnetic, it is characterised in that the described sensor being arranged in right friction plate (9) deep hole is Hall element (10).
The most according to claim 1 a kind of rub composite braking device based on the rub automobile magnetic of coupling effect of magnetic, it is characterised in that the described sensor being arranged in braking clamp body (2) through hole is pressure transducer (15).
The most according to claim 1 a kind of rub composite braking device based on the rub automobile magnetic of coupling effect of magnetic, it is characterised in that described braking clamp body (2), left backboard (3), brake disc (1) and right backboard (11) are the metal material of magnetic conductivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620136627.4U CN205559629U (en) | 2016-02-24 | 2016-02-24 | Car magnetism composite brake ware that rubs based on magnetism coupling effect that rubs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620136627.4U CN205559629U (en) | 2016-02-24 | 2016-02-24 | Car magnetism composite brake ware that rubs based on magnetism coupling effect that rubs |
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| Publication Number | Publication Date |
|---|---|
| CN205559629U true CN205559629U (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620136627.4U Expired - Fee Related CN205559629U (en) | 2016-02-24 | 2016-02-24 | Car magnetism composite brake ware that rubs based on magnetism coupling effect that rubs |
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| Country | Link |
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| CN (1) | CN205559629U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545987A (en) * | 2016-02-24 | 2016-05-04 | 中国矿业大学 | Automobile magnetic and frictional compound brake based on magnetic and frictional coupling effect |
-
2016
- 2016-02-24 CN CN201620136627.4U patent/CN205559629U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105545987A (en) * | 2016-02-24 | 2016-05-04 | 中国矿业大学 | Automobile magnetic and frictional compound brake based on magnetic and frictional coupling effect |
| CN105545987B (en) * | 2016-02-24 | 2018-01-30 | 中国矿业大学 | It is a kind of to be rubbed composite braking device based on the rub automobile magnetic of coupling effect of magnetic |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20180224 |
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| CF01 | Termination of patent right due to non-payment of annual fee |