CN102853001A - Electromagnetic hydraulic composite brake employing electromagnetic lead-in mechanism - Google Patents
Electromagnetic hydraulic composite brake employing electromagnetic lead-in mechanism Download PDFInfo
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- CN102853001A CN102853001A CN2012103810285A CN201210381028A CN102853001A CN 102853001 A CN102853001 A CN 102853001A CN 2012103810285 A CN2012103810285 A CN 2012103810285A CN 201210381028 A CN201210381028 A CN 201210381028A CN 102853001 A CN102853001 A CN 102853001A
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Abstract
The invention discloses an electromagnetic hydraulic composite brake employing an electromagnetic lead-in mechanism. According to the electromagnetic hydraulic composite brake, a friction brake disc, an electromagnetic brake disc and a hub are fastened together; the electromagnetic brake disc is positioned between a wheel cylinder and a steering knuckle; an electromagnetic guide block close to the electromagnetic brake disc is fixedly arranged on the steering knuckle; an electromagnetic oil is wound on an iron core; the electromagnetic guide blocks are connected with an N pole and an S pole of the electromagnetic oil through a flexible electromagnetic conduit; every two electromagnetic guide blocks respectively correspond to the N pole and the S pole of an electromagnetic oil; magnetic powder is filled inside the electromagnetic conduit; a magnetic field generated by the electromagnetic oil can be led onto the electromagnetic guide blocks; the electromagnetic brake disc cuts the magnetic line leading to the S pole from the N pole of the electromagnetic guide blocks in the rotating process; and eddy current is generated inside the electromagnetic brake disc. By adoption of the dual-disc brake, respective advantages of friction brake and electromagnetic brake are fully exerted, the wear of the brake system is lightened, the maintenance cost is reduced, thermal failure and wading ineffective performance of an automobile are improved, and the safety of the brake system is improved.
Description
Technical field
The present invention relates to a kind of arrestment mechanism of passenger car, specially refer to the acting in conjunction by electromagnetic braking and hydraulic booster friction catch, finally by electromagnetic system power and friction brake force vehicle is carried out the device of composite braking.
Background technique
The braking system of passenger car is carried out the friction catch realization by hydraulic booster substantially at present, continuous lifting along with engine power and automobile speed, the original hydraulic braking sytem of automobile potentiality aspect the raising of performance are limited, and the problems such as the braking thermal failure that causes thus, the inefficacy of paddling, reaction time is long, maintenance cost raises, friction dust polluting environment are more and more outstanding.
In order to overcome the shortcoming of existing hydraulic braking sytem, carry out hydraulic system and non-contacting electormagnetic braking sytem compound, adopt electromagnetic braking to shunt the direction that the motor vehicle braking system energy is the braking system development, because electromagnetic braking needs large-sized electromagnetic induction coil, the electromagnetic induction coil of large-size can't be installed in the narrow and small peripheral space of automotive wheel.Simultaneously, because front-wheel need to be done divertical motion, front and back wheel relies on suspension system to move up and down, and this just requires electromagnetism/hydraulic pressure composite braking mechanism be able to move with hub for vehicle wheel.At present, both at home and abroad only be that the theory to electromagnetism/hydraulic pressure composite braking is studied, also do not occur composite braking system concrete structure and with the mounting type of vehicle.
Summary of the invention
In view of problems of the prior art, consider that simultaneously near the small space of wheel is difficult for installing the electromagnetic coil of large-size, the present invention proposes a kind of electromagnetic hydraulic pressure composite braking device that adopts magnetophoresis mechanism, the flexibility that realizes electromagnetic field by the electromagnetism conduit shifts, and improves the performance of braking system.
The technical solution used in the present invention is: comprise friction brake disk and electromagnetic system Moving plate, friction brake disk, electromagnetic system Moving plate all with wheel hub fastening together, wheel hub connects knuckle by hub bearing, the pincerlike support of braking is set between knuckle and the tire, in the middle of the brake-caliper support wheel cylinder is set, is provided with piston in the wheel cylinder, piston connects brake pad assembly, the guide support pin is installed on the brake pad assembly, and brake pad assembly clamps friction brake disk under the guiding of guide support pin; The electromagnetic system Moving plate is between wheel cylinder and knuckle, be fixedly installed the electromagnetism guide block of close electromagnetic system Moving plate at knuckle, electromagnetic coil is wound on the iron core, the electromagnetism guide block connects the N utmost point, the S utmost point of electromagnetic coil by the flexible electrical magnetic catheter, per two electromagnetism guide blocks are corresponding the N utmost point and the S utmost point of an electromagnetic coil respectively, the electromagnetism catheter interior is full of magnetic, the magnetic field that electromagnetic coil produces can be imported on the electromagnetism guide block, the electromagnetic system Moving plate cuts the N utmost point of electromagnetism guide block towards the magnetic line of force of the S utmost point in rotation process, produce electric convolution in the electromagnetic system Moving plate.
Advantage of the present invention is:
1, the magnetic field of electromagnetic braking needs of the present invention is by being equipped with high magnetic flux density, high permeability, the flexible electrical magnetic catheter of low remanent magnetism and low-coercivity magnetic imports from electromagnetic coil, can solve like this can't pack into the too greatly small space of wheel periphery of electromagnetic coil size in the composite braking system, the too little difficult problem that does not then produce enough electromagnetic system power of electromagnetism intensity.
2, Split flow brake heat to greatest extent effectively avoids braking thermal failure; The mode of braking of combined type can alleviate the burden of friction braking system, has reduced the generation of system maintenance cost and harmful friction dust; Electromagnetic braking is more accurate and sensitive, is conducive to braking system towards intellectuality and integrated development; The electromagnetic force that flexible magnetophoresis mechanism can produce larger coil is introduced narrow and small wheel braking space, so that the design of composite braking system and control are more flexible.
3, adopt double disk brake, can give full play to friction catch and electromagnetic braking advantage separately, the wearing and tearing that alleviated braking system have reduced maintenance cost, have improved the thermal failure of automobile and the failure performance of paddling, the Security that improves braking system.
4, electromagnetic braking and hydraulic braking are compound more flexible, efficiently solve electromagnetic braking moment too little, be difficult to carry out the braking energy flow-dividing control problem.
5, by the electromagnetic braking effect, so that the reaction time of passenger car when high speed is shorter, execution speed is faster.
Description of drawings
Fig. 1 is the structural drawing that the present invention has the electromagnetic hydraulic pressure composite braking device of magnetophoresis mechanism;
Fig. 2 is the right side zoomed-in view of knuckle 13 among Fig. 1, electromagnetism guide block 14;
Fig. 3 is the left side zoomed-in view of electromagnetic system Moving plate 12 among Fig. 1;
Fig. 4 is the left side view of knuckle 13 among Fig. 1, electromagnetism guide block 14;
In the accompanying drawing: 1, wheel hub, 2, hub bearing, 3, friction brake disk, 4, spoke, 5, piston, 6, brake pad assembly, 7, wheel cylinder, 8, the guide support pin, 9, tire, 10, brake pincerlike support, 11, the wheel cylinder filler opening, 12, electromagnetic system Moving plate, 13, knuckle, 14, the electromagnetism guide block, 15, electromagnetism conduit, 16, magnetic pole, 17, electromagnetic coil, 18, iron core, 19, wind guiding blade, 20, tapped hole is installed.
Embodiment
As shown in Figure 1, existing passenger car hub for vehicle wheel is lengthened and processes the bolt hole that friction brake disk 3 and electromagnetic system Moving plate 12 can be installed, friction brake disk 3 and electromagnetic system Moving plate 12 respectively by bolton on wheel hub 1, wheel hub 1, friction brake disk 3 and electromagnetic system Moving plate 12 tighten together and rotate with wheel.Wherein friction brake disk 3 can be the former car assembly parts of passenger car, and the diameter of electromagnetic system Moving plate 12 is larger than the diameter of friction brake disk 3, consists of the double plate electromagnetic hydraulic pressure composite brake disc of large shallow bid combination.Among Fig. 1, brake pincerlike support 10 and place between tire 9 and the knuckle 13, wheel cylinder 7 is installed in the middle of the brake-caliper support 10.Friction brake disk 3 adopts the friction catch mode of hydraulic booster, and electromagnetic system Moving plate 12 adopts the electric convolution mode of braking.
Tire 9 links to each other with wheel hub 1 and friction brake disk 3 by its spoke 4, and wheel hub 1 connects knuckle 13 by hub bearing 2, and wheel hub 1 produces relative rotation with knuckle 13.Knuckle 13 is bolted the pincerlike support 10 of hydraulic braking, and at knuckle 13 fixed installation electromagnetism guide blocks 14, knuckle 13 can be installed four electromagnetism guide blocks 14.Electromagnetic coil 17 is wound on unshakable in one's determination 18, and electromagnetism guide block 14 is connected on the magnetic pole 16 of electromagnetic coil 17 by flexible electrical magnetic catheter 15.Electromagnetism conduit 15 can be the rubber pipe with hangings lay, it also can be wire braid hydraulic hose, can carry out in different directions freely activity among a small circle, its inside is full of high magnetic flux density, high permeability, the magnetic of low remanent magnetism and low-coercivity can import to the magnetic field that electromagnetic coil produces on the electromagnetism guide block 14.Flexible electrical magnetic catheter 15 allows to produce relative movement between electromagnetic system Moving plate and the electromagnetic coil 17, does not affect electromagnetic field transmission therein.Electromagnetic coil 17 among the present invention can be installed near on the vehicle frame at wheel place.Also can be installed on the automobile suspension arrangement.In order to improve electromagnetic system power, must strengthen the size of electromagnetic coil 17, and wheel next door narrow space can not be installed large-sized electromagnetic coil 17, therefore the magnetic field that is installed in the electromagnetic coil 17 on vehicle frame or the suspension arrangement can be imported on the electromagnetic system Moving plate 12 by flexible electrical magnetic catheter 15, thereby produce braking action.
Brake the wheel cylinder 7 that pincerlike support 10 connects friction catch mechanism, have wheel cylinder filler opening 11 on the wheel cylinder 7, be provided with piston 5 in the wheel cylinder 7, piston 5 connects brake pad assembly 6, guide support pin 8 is installed on the brake pad assembly 6, and brake pad assembly 6 clamps friction brake disk 3 under the guiding of guide support pin 8.Electromagnetic system Moving plate 12 is between wheel cylinder 7 and knuckle 13, also between friction brake disk 3 and knuckle 13.
The top of the electromagnetic coil 17 among Fig. 1 is N utmost points, the bottom is the S utmost point, link respectively on two electromagnetism guide blocks 14 among Fig. 2 by two electromagnetism conduits 15 in this magnetic field, therefore, two electromagnetism guide blocks 14 are corresponding the N utmost point and the S utmost point of electromagnetic coil 17 respectively, only has an electromagnetic coil 17 among Fig. 1, can be by increasing the mode of electromagnetic coil, electromagnetism conduit and electromagnetism guide block, in Fig. 2, produce four magnetic poles that N, S are alternate, to increase electromagnetic braking moment.Electromagnetism guide block 14 is very near with the distance of electromagnetic system Moving plate 12, usually only has 1mm.Electromagnetic system Moving plate 12 cuts electromagnetism guide block 14 in rotation process the N utmost point leads to the magnetic line of force of the S utmost point, thereby at electromagnetic system Moving plate 12 interior generation electric convolutions, produces the moment that stops electromagnetic system Moving plate 12 to rotate, and realizes the effect of electromagnetic braking.
As shown in Figure 3, electromagnetic system Moving plate 12 is processed with wind guiding blade 19 near the one side of friction catch mechanism, this wind guiding blade 19 can be gone out the dissipation of heat that electromagnetic braking produces, simultaneously, because the agitation to air-flow that this wind guiding blade 19 produces, also can play thermolysis to the friction catch mechanism of back, the flow perturbation of its generation also can produce cooling action to the friction catch mechanism on next door.Inlay certain thickness copper at electromagnetic system Moving plate 12 towards the one side of electromagnetism guide block 14, form the layer of copper layer, to improve the braking moment of vehicle when the low speed.
Fig. 4 is the schematic diagram of indication knuckle 13 of the present invention, above the knuckle except four electromagnetism guide blocks 14 are installed, also have two tapped hole 20 is installed at its top, in the as installed process, can be assembled together by the pincerlike support 10 of the braking among bolt and Fig. 1.
When automobile brake, difference according to severity of braking, the braking system control unit is connected suitable electric current to electromagnetic coil 17, this electric current enters electromagnetism guide block 14 in magnetic field that electromagnetic coil 17 produces by the guiding of unshakable in one's determination 18, magnetic pole 16 and flexible electrical magnetic catheter 15, electromagnetism conduit 15 inner high magnetic flux density, the high permeabilities of filling, the magnetic of low remanent magnetism and low-coercivity, electromagnetism conduit 15 can import to the magnetic field of electromagnetic coil 17 in the electromagnetism guide block 14.Electromagnetic system Moving plate 12 with the relative movement of electromagnetism guide block 14 in produce electromagnetic system power.When electromagnetic braking is worked, hydraulic oil from brake master cylinder enters in the wheel cylinder 7 by wheel cylinder filler opening 11, pushing piston 5 and brake pad assembly 6 are to central motion, brake pad assembly 6 clamps friction brake disk 3 under the guiding of guide support pin 8, produce the friction catch of hydraulic booster.Thereby realize under friction brake force and the acting in conjunction of electromagnetic system power vehicle being produced braking action.
Claims (6)
1. electromagnetic hydraulic pressure composite braking device that adopts magnetophoresis mechanism, comprise friction brake disk (3) and electromagnetic system Moving plate (12), friction brake disk (3), electromagnetic system Moving plate (12) all tightens together with wheel hub (1), it is characterized in that: wheel hub (1) connects knuckle (13) by hub bearing (2), braking pincerlike support (10) is set between knuckle (13) and the tire (9), wheel cylinder (7) is set in the middle of the brake-caliper support (10), be provided with piston (5) in the wheel cylinder (7), piston (5) connects brake pad assembly (6), brake pad assembly (6) is provided with guide support pin (8), and brake pad assembly (6) clamps friction brake disk (3) under the guiding of guide support pin (8); Electromagnetic system Moving plate (12) is positioned between wheel cylinder (7) and the knuckle (13), be fixedly installed the electromagnetism guide block (14) of close electromagnetic system Moving plate (12) at knuckle (13), electromagnetic coil (17) is wound on the iron core (18), electromagnetism guide block (14) connects the N utmost point of electromagnetic coil (17) by flexible electrical magnetic catheter (15), the S utmost point, per two electromagnetism guide blocks (14) are corresponding the N utmost point and the S utmost point of an electromagnetic coil (17) respectively, electromagnetism conduit (15) inside is full of magnetic is arranged, the magnetic field that electromagnetic coil (17) produces can be imported on the electromagnetism guide block (14), electromagnetic system Moving plate (12) cuts the N utmost point of electromagnetism guide block (14) towards the magnetic line of force of the S utmost point in rotation process, produce electric convolution in electromagnetic system Moving plate (12).
2. a kind of electromagnetic hydraulic pressure composite braking device that adopts magnetophoresis mechanism according to claim 1, it is characterized in that: the diameter of electromagnetic system Moving plate (12) is larger than the diameter of friction brake disk (3).
3. a kind of electromagnetic hydraulic pressure composite braking device that adopts magnetophoresis mechanism according to claim 1, it is characterized in that: electromagnetism conduit (15) can produce relative movement between electromagnetic system Moving plate (12) and electromagnetic coil (17), electromagnetic coil (17) can be arranged near on the vehicle frame at wheel place, also can be arranged on the automobile suspension arrangement.
4. a kind of electromagnetic hydraulic pressure composite braking device that adopts magnetophoresis mechanism according to claim 1, it is characterized in that: the distance between electromagnetism guide block (14) and the electromagnetic system Moving plate (12) is 1mm.
5. a kind of electromagnetic hydraulic pressure composite braking device that adopts magnetophoresis mechanism according to claim 1 is characterized in that: electromagnetic system Moving plate (12) is established wind guiding blade (19) in the one side near wheel cylinder (7).
6. a kind of electromagnetic hydraulic pressure composite braking device that adopts magnetophoresis mechanism according to claim 1, it is characterized in that: electromagnetic system Moving plate (12) is inlaid with the copper layer in the one side towards electromagnetism guide block (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210381028.5A CN102853001B (en) | 2012-10-10 | 2012-10-10 | Electromagnetic hydraulic composite brake employing electromagnetic lead-in mechanism |
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| CN201210381028.5A CN102853001B (en) | 2012-10-10 | 2012-10-10 | Electromagnetic hydraulic composite brake employing electromagnetic lead-in mechanism |
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| CN102853001A true CN102853001A (en) | 2013-01-02 |
| CN102853001B CN102853001B (en) | 2014-12-24 |
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| CN201210381028.5A Active CN102853001B (en) | 2012-10-10 | 2012-10-10 | Electromagnetic hydraulic composite brake employing electromagnetic lead-in mechanism |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989756A (en) * | 2015-07-10 | 2015-10-21 | 刘存香 | Electromagnetic braking system with electromagnetic separation and reunion function and control method thereof |
| CN108263980A (en) * | 2017-12-14 | 2018-07-10 | 浙江理工大学 | A kind of elevator brake and its braking method using double brake system |
| CN108488264A (en) * | 2018-03-02 | 2018-09-04 | 中国矿业大学 | Friction-vortex cooperative brake the device and braking method of brake pressure redundancy load |
| CN109058328A (en) * | 2018-08-13 | 2018-12-21 | 江苏大学 | A kind of vehicle wheel side composite braking device of integral permanent-magnet braking and friction catch |
| CN109149903A (en) * | 2018-10-31 | 2019-01-04 | 张殿英 | A kind of charge type non-friction brake |
| CN112298128A (en) * | 2020-11-10 | 2021-02-02 | 苏州金辂房车有限公司 | Wheel synchronous braking mechanism of pull type motor home |
| CN113586628A (en) * | 2021-07-07 | 2021-11-02 | 江苏五洋停车产业集团股份有限公司 | Digital hydraulic and electromagnetic composite braking system for disc brake |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104989756A (en) * | 2015-07-10 | 2015-10-21 | 刘存香 | Electromagnetic braking system with electromagnetic separation and reunion function and control method thereof |
| CN104989756B (en) * | 2015-07-10 | 2018-10-16 | 刘存香 | Electormagnetic braking sytem with electromagnetic clutch function and its control method |
| CN108263980A (en) * | 2017-12-14 | 2018-07-10 | 浙江理工大学 | A kind of elevator brake and its braking method using double brake system |
| CN108263980B (en) * | 2017-12-14 | 2023-11-14 | 浙江理工大学 | Elevator brake adopting double brake system and braking method thereof |
| CN108488264B (en) * | 2018-03-02 | 2019-09-27 | 中国矿业大学 | Friction-vortex cooperative brake the device and braking method of brake pressure redundancy load |
| CN108488264A (en) * | 2018-03-02 | 2018-09-04 | 中国矿业大学 | Friction-vortex cooperative brake the device and braking method of brake pressure redundancy load |
| CN109058328A (en) * | 2018-08-13 | 2018-12-21 | 江苏大学 | A kind of vehicle wheel side composite braking device of integral permanent-magnet braking and friction catch |
| CN109058328B (en) * | 2018-08-13 | 2020-01-24 | 江苏大学 | Vehicle wheel-side composite braking device integrating permanent magnet braking and friction braking |
| CN109149903A (en) * | 2018-10-31 | 2019-01-04 | 张殿英 | A kind of charge type non-friction brake |
| CN109149903B (en) * | 2018-10-31 | 2023-09-08 | 张殿英 | Charge type non-friction brake |
| CN112298128A (en) * | 2020-11-10 | 2021-02-02 | 苏州金辂房车有限公司 | Wheel synchronous braking mechanism of pull type motor home |
| CN113586628A (en) * | 2021-07-07 | 2021-11-02 | 江苏五洋停车产业集团股份有限公司 | Digital hydraulic and electromagnetic composite braking system for disc brake |
| CN113586628B (en) * | 2021-07-07 | 2023-04-25 | 江苏五洋停车产业集团股份有限公司 | Digital hydraulic and electromagnetic compound braking system for disc brake |
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| CN102853001B (en) | 2014-12-24 |
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Effective date of registration: 20210629 Address after: 215500 5th floor, building 4, 68 Lianfeng Road, Changfu street, Changshu City, Suzhou City, Jiangsu Province Patentee after: Changshu intellectual property operation center Co.,Ltd. Address before: Zhenjiang City, Jiangsu Province, 212013 Jingkou District Road No. 301 Patentee before: JIANGSU University |
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