CN103640487B - A kind of electromagnetism-hydraulic pressure composite brakig device and method of work with spontaneous electrical function - Google Patents
A kind of electromagnetism-hydraulic pressure composite brakig device and method of work with spontaneous electrical function Download PDFInfo
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- CN103640487B CN103640487B CN201310656724.7A CN201310656724A CN103640487B CN 103640487 B CN103640487 B CN 103640487B CN 201310656724 A CN201310656724 A CN 201310656724A CN 103640487 B CN103640487 B CN 103640487B
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- 239000002131 composite material Substances 0.000 title claims abstract description 68
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- 230000002269 spontaneous effect Effects 0.000 title claims abstract description 10
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- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 239000003921 oil Substances 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 239000012774 insulation material Substances 0.000 claims description 2
- 238000003825 pressing Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 description 9
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- 238000004134 energy conservation Methods 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
The present invention discloses a kind of electromagnetism-hydraulic pressure composite brakig device and the method for work with spontaneous electrical function, hydraulic circuit is established in brake holder inside, hydraulic circuit connects two wheelcylinder pistons in left and right, 2 composite brake discs are had between two wheelcylinder pistons in left and right, magnet coil is had between 2 composite brake discs, magnet coil is towards the electromagnetic braking face of composite brake disc, and electromagnetic braking face is provided with copper clad layers, copper clad layers parallel with magnet coil section and between leave the electromagnetism gap of 1 ~ 2 millimeter; The affixed rotating shaft connected together with motor tire and transmission shaft in center of composite brake disc, rotating shaft is fixedly inlaid with the staggered permanent magnet of magnetic pole, is the generating stator coil having 1 ~ 2 millimeter of gap with it outside permanent magnet; Rotating shaft and composite brake disc synchronous rotary, permanent magnet is by the generating of cutting generating stator coil, and the electric current sent, by providing exciting current to magnet coil after rectifying and voltage-stabilizing, realizes energy from supply.
Description
Technical field
The present invention relates to a kind of brake equipment of manned vehicle, specifically a kind of electromagnetism-hydraulic pressure composite brakig device with spontaneous electrical function.
Background technology
The brake system of current manned vehicle carries out friction braking realization by hydraulic booster substantially, along with the continuous lifting of engine power and automobile speed, the original hydraulic brake system of automobile limited potential in the raising of performance, causes braking thermal failure, inefficacy of paddling thus, brake response time is long, maintenance cost raises, rub the problems such as dust polluting environment.
In order to overcome the shortcoming of existing hydraulic brake system, hydraulic efficiency pressure system and non-contacting electromagnetic brake system are carried out compound, adopting electromagnetic braking to carry out distributed vehicle brake system energy is the direction that brake system develops, because the material of the principle of friction braking and electromagnetic braking, brake disc, brake disc and friction shoe or the clearance requirement between brake disc and excitation coil etc. are all different, the requirement of manned vehicle to accumulator capacity simultaneously increasing electromagnetic braking is also not quite similar, and these problems all need the innovation carried out electromagnetism-hydraulic pressure composite brakig device in mechanism.At present, prior art is only be studied the theory of electromagnetism/hydraulic pressure composite brakig, and the composite braking system that can fully carry out designing according to the problems referred to above does not also occur.
Summary of the invention
In view of problems of the prior art, the present invention proposes a kind of electromagnetism-hydraulic pressure composite brakig device and the method for work with spontaneous electrical function, the distribution locations in same drg by reasonable layout electromagnetic braking mechanism and hydraulic brake mechanism, reasonable distribution electromagnetic braking and hydraulic braking moment, utilize self-generating device, on the basis not increasing electromagnetic braking energy consumption, improve brake efficiency, reduce brake dust, improve braking energy-saving effect.
The technical scheme that the electromagnetism-hydraulic pressure composite brakig device with spontaneous electrical function of the present invention adopts is: comprise brake holder, hydraulic circuit is established in brake holder inside, hydraulic circuit connects two wheelcylinder pistons in left and right, 2 composite brake discs are had between two wheelcylinder pistons in left and right, affixed friction shoe on wheelcylinder piston, friction shoe faces the friction braking face of composite brake disc; Have magnet coil between 2 composite brake discs, magnet coil is towards the electromagnetic braking face of composite brake disc, and electromagnetic braking face is provided with copper clad layers, copper clad layers parallel with magnet coil end face and between leave the electromagnetism gap of 1 ~ 2 millimeter; The affixed rotating shaft connected together with motor tire and transmission shaft in center of composite brake disc, rotating shaft is fixedly inlaid with the staggered permanent magnet of magnetic pole, is the generating stator coil having 1 ~ 2 millimeter of gap with it outside permanent magnet.
The technical scheme that the method for work with the electromagnetism-hydraulic pressure composite brakig device of spontaneous electrical function of the present invention adopts is: A, hydraulic oil enter hydraulic circuit, promote two wheelcylinder pistons and friction shoe pressing friction brake surface, realize friction braking; The energising of B, magnet coil produces high-intensity magnetic field, and magnetic field, by the electromagnetism gap between magnet coil and electromagnetic braking face, the copper clad layers in electromagnetic braking face produces current vortex, realizes composite brake disc slow; C, rotating shaft and composite brake disc synchronous rotary, permanent magnet is by the generating of cutting generating stator coil, and the electric current sent, by providing exciting current to magnet coil after rectifying and voltage-stabilizing, realizes energy from supply.
The present invention utilizes the kinetic energy of vehicle wheel rotation to carry out self power generation and is supplied to electromagnetic braking, by electromagnetic braking and the combined action of hydraulic booster friction braking, carries out composite brakig eventually through electromagnetic system power and friction brake force to vehicle.Advantage of the present invention is:
1, electromagnetic braking and hydraulic braking well combine by the present invention, in braking procedure, generate electricity with the permanent magnet cutting stator coil of composite brake disc rotating shaft synchronous rotary, the electric current sent after overcommutation, voltage stabilizing for electromagnetic braking coil provides exciting current, the power supply confession realizing electro-magnetic braking functions in composite brakig device is self-supporting, efficiently solves the problem of installing the vehicle battery off-capacity that composite brakig device brings.
2, by magneto power generation assembly is installed in composite brakig device, can have and alleviate the dependence of braking procedure electromagnetic braking to storage battery, save the energy.
3, by electromagnetic braking face and friction braking face an overall differentiation, ensure that two kinds of brakings can realize good integrated, can not produce mutual interference again, the difference of composite brake disc two sides material, braking effect can be ensured fully.
4, leave heat radiation diversion air duct between the friction braking face of composite brake disc and electromagnetic braking face, can be concentrated by the heat that friction braking and electromagnetic braking produce very well and distribute, actv. avoids the thermal failure of braking.
5, during permanent magnet electric generating apparatus work, a part of kinetic energy of wheel is converted to electric energy, also can produces certain rotational resistance to composite brake disc.
6, the control method of composite braking system ensure that the co-ordination of brake system, achieves the efficient, safe, energy-conservation of braking and environmental protection.
7, adopt contactless electromagnetic braking in the middle of two composite brake discs, because of nothing friction, magnetic gap in use can not change, and electromagnetic braking effect also can not be deteriorated along with the growth of tenure of use.
8, electromagnetic braking face increases copper clad layers, contributes to the low speed lock torque promoting magnet stopper.
Accompanying drawing explanation
Fig. 1 constructional drawing with the electromagnetism-hydraulic pressure composite brakig device of spontaneous electrical function of the present invention;
Fig. 2 is the left TV structure enlarged drawing of stator coil, rotating shaft, permanent magnet and generator casing of generating electricity in Fig. 1;
In accompanying drawing: 1, composite brake disc, 2, friction braking face, 3, electromagnetic braking face, 4, generate electricity stator coil, and 5, rotating shaft, 6, permanent magnet, 7, friction shoe, 8, wheelcylinder piston, 9, brake holder, 10, electromagnetic loop bracket, 11, hydraulic circuit, 12, oil inlet, 13, electromagnetism gap, 14, magnet coil, 15, heat flow-guiding mouth, 16, generator casing, 17, copper clad layers.
Detailed description of the invention
See Fig. 1, the present invention includes brake holder 9, installation site and the mode of brake holder 9 and brake-caliper support in conventional hydraulic brake system are the same.Brake holder 9 is installed two wheel cylinders in left and right, hydraulic circuit 11 is offered in brake holder 9 inside, brake holder 9 has oil inlet 12, hydraulic circuit 11 connects the wheelcylinder piston 8 of two wheel cylinders in left and right, 2 composite brake discs 1 are had between the wheelcylinder piston 8 of two, left and right, be electromagnetic loop bracket 10 and magnet coil 14 between 2 composite brake discs 1, magnet coil 14 is fixedly mounted on electromagnetic loop bracket 10, and electromagnetic loop bracket 10 is fixedly connected with brake holder 9 simultaneously.Magnet coil 14 has 16 ~ 24, and in order to the compactedness and power radius of action ensureing electro-magnetic braking device is large, magnet coil 14 as far as possible size is little, and quantity is many.
2 composite brake discs 1 have multiple heat flow-guiding mouth 15, and the concentrated water conservancy diversion being beneficial to electromagnetic braking heat and friction braking heat distributes, and effectively avoids the thermal failure braked.2 composite brake discs 1 are friction braking faces 2 towards the one side of wheelcylinder piston 8, towards the one side electromagnetic braking face 3 of magnet coil 14, electromagnetic braking face 3 can the material in friction braking face 2 be substrate, process copper clad layers 17 thereon, the good electrical eddy current brake usefulness of the surface action utilizing current vortex to brake and copper, increase electromagnetic braking moment, carry out electromagnetic braking.Copper clad layers 17 and magnet coil 14 end face are arranged in parallel, and leave the electromagnetism gap 13 of 1 ~ 2 millimeter between copper clad layers 17 and magnet coil 14.
Between wheelcylinder piston 8 and composite brake disc 1, install friction shoe 7, friction shoe 7 is fixed on wheelcylinder piston 8, friction shoe 7 faces the friction braking face 2 of composite brake disc 1, and friction braking face 2 is processed by high-abrasive material.Wheelcylinder piston 8 to intermediary movements, compresses the friction braking face 2 of composite brake disc 1 under the effect of hydraulic fluid pressure by friction shoe 7.
The center fixed rotating shaft 5 of composite brake disc 1, tire and the transmission shaft of rotating shaft 5 and automobile connect together, composite brake disc 1 and rotating shaft 5 synchronous rotary.
Again see Fig. 2, rotating shaft 5 is fixedly inlayed the staggered permanent magnet 6 of magnetic pole, and permanent magnet 6 is evenly arranged along rotating shaft 5 circumferencial direction.Undertaken inlaying installation by thermal insulation material between permanent magnet 6 and rotating shaft 5, prevent braking procedure shaft 5 temperature rise from having an impact to permanent magnet 6.The number of permanent magnet 6 is 12 ~ 24, and number is determined according to vehicle difference.At permanent magnet 6 outer installation generating stator coil 4, make generating stator coil 4 and the gap of the spacing 1 ~ 2 millimeter of permanent magnet 6, be fixed on generator casing 16 simultaneously by generating stator coil 4, generator casing 16 and brake holder 9 are connected to one.When rotating shaft 5 rotates, permanent magnet 6 produces alternating magnetic field in generating stator coil 4, thus produces induced voltage in generating stator coil 4.Permanent magnet electric generating apparatus is constituted by generator casing 16, generating stator coil 4 and permanent magnet 6 three.
Shown in Fig. 1-2, the electromagnetism-hydraulic pressure composite brakig device with spontaneous electrical function of the present invention has hydraulic braking, electromagnetic braking, self power generation, mag-dynamo braking, non-brake mode of operation:
Hydraulic braking mode of operation: during braking, hydraulic oil enters hydraulic circuit 11 by oil inlet 12, and along with the increase of oil pressure, hydraulic oil promotes two wheelcylinder pistons 8 and friction shoe 7 compresses two friction braking faces 2, thus realize the friction braking of hydraulic booster.
Electromagnetic braking mode of operation: during braking, be energized to magnet coil 14 and produce high-intensity magnetic field, magnetic field, by electromagnetism gap 13 between magnet coil 14 and electromagnetic braking face 3, the copper clad layers 17 in electromagnetic braking face 3 produces current vortex, and it is slow that the electromagnetic resistance square of generation realizes composite brake disc 1.
Self power generation mode of operation: when rotating shaft 5 and composite brake disc 1 synchronous rotary, permanent magnet 6 is generated electricity by cutting generating stator coil 4.Only have when chaufeur sends braking maneuver or is in braking mode, permanent magnet electric generating apparatus could generate electricity, and the electric current sent provides exciting current by giving magnet coil 14 after rectifying and voltage-stabilizing, and the energy confession achieving electromagnetic braking work in composite brakig device is self-supporting.
Mag-dynamo braking operation mode: during permanent magnet electric generating apparatus work, a part of kinetic energy of wheel is converted to electric energy, also can produces certain rotational resistance to composite brake disc 1.
Composite brakig mode of operation: play the electricity generate function of permanent magnet electric generating apparatus and the lock torque of electromagnetic braking in braking procedure to greatest extent, the distribution of reasonable adjusting hydraulic braking moment in total braking force square, to reduce system wear and friction dust.During vehicle high-speed braking, the unnecessary electricity of generation will be battery charge.By control unit according to factor reasonable disposition hydraulic braking moment and electromagnetic braking moments such as the sizes with the speed of a motor vehicle, brake load, and calculate the goal pressure of now hydraulic braking and the target current of electromagnetic braking, then according to the pressure in goal pressure and target current difference hydraulic control oil circuit and the size of current in magnet coil 14, to realize the control objectives of total braking force square.Target current is input in magnet coil 14 by control unit, and the magnetic field that magnet coil 14 produces can produce current vortex in the electromagnetic braking face 3 of composite brake disc 1, the interaction of current vortex and magnet coil 14, produces the moment hindering composite brake disc 1 to rotate.Goal pressure is input in the middle of hydraulic circuit by control unit, and the large pressure of fluid acts on wheelcylinder piston 8, causes wheelcylinder piston 8 to promote friction shoe 7 and moves the friction braking face 2 compressing composite brake disc 1 to centre, thus produce friction braking moment.Simultaneously, in braking procedure, control unit connects the loop of generating stator coil 4, alternating magnetic field is produced generating electricity in stator coil 4 with the permanent magnet 6 of rotating shaft 5 synchronous rotary, thus inducing current is produced in generating stator coil 4, these electric currents are for magnet coil providing unit divides exciting current after rectifying and wave-filtering, thus partially recycled braking energy, saves the energy.
Non-brake mode of operation: when drg is not braked, control unit disconnects generating stator coil 4 loop, and ensure that mag-dynamo does not generate electricity, meanwhile, magnet coil 14 no power, hydraulic circuit is without pressure, and composite brakig device does not work.
Claims (9)
1. one kind has the electromagnetism-hydraulic pressure composite brakig device of spontaneous electrical function, comprise brake holder (9), it is characterized in that: hydraulic circuit (11) is established in brake holder (9) inside, hydraulic circuit (11) connects two wheelcylinder pistons (8) in left and right, 2 composite brake discs (1) are had between two wheelcylinder pistons (8) in left and right, the upper affixed friction shoe (7) of wheelcylinder piston (8), friction shoe (7) faces the friction braking face (2) of composite brake disc (1); Magnet coil (14) is had between 2 composite brake discs (1), magnet coil (14) is towards the electromagnetic braking face (3) of composite brake disc (1), electromagnetic braking face (3) is provided with copper clad layers (17), copper clad layers (17) parallel with magnet coil (14) end face and between leave the electromagnetism gap of 1 ~ 2 millimeter; The affixed rotating shaft (5) connected together with motor tire and transmission shaft in center of composite brake disc (1), rotating shaft (5) is upper is fixedly inlaid with the staggered permanent magnet of magnetic pole (6), is the generating stator coil (4) having 1 ~ 2 millimeter of gap with it outside permanent magnet (6).
2. electromagnetism according to claim 1-hydraulic pressure composite brakig device, is characterized in that: magnet coil (14) affixed electromagnetic loop bracket (10), electromagnetic loop bracket (10) affixed brake holder (9).
3. electromagnetism according to claim 1-hydraulic pressure composite brakig device, is characterized in that: 2 composite brake discs (1) have multiple heat flow-guiding mouth (15).
4. electromagnetism according to claim 1-hydraulic pressure composite brakig device, is characterized in that: generating stator coil (4) affixed generator casing (16), and generator casing (16) and brake holder (9) fix as one.
5. electromagnetism according to claim 1-hydraulic pressure composite brakig device, is characterized in that: have thermal insulation material to inlay between permanent magnet (6) and rotating shaft (5).
6. a method of work for electromagnetism-hydraulic pressure composite brakig device as claimed in claim 1, is characterized in that:
A, hydraulic oil enter hydraulic circuit (11), promote two wheelcylinder pistons (8) and friction shoe (7) pressing friction brake surface (2), realize friction braking;
The energising of B, magnet coil (14) produces high-intensity magnetic field, and magnetic field, by the electromagnetism gap between magnet coil (14) and electromagnetic braking face (3), the copper clad layers (17) of electromagnetic braking face (3) produces current vortex, realizes composite brake disc (1) slow;
C, rotating shaft (5) and composite brake disc (1) synchronous rotary, permanent magnet (6) is by cutting generating stator coil (4) generating, and the electric current sent provides exciting current by giving magnet coil (14) after rectifying and voltage-stabilizing, realizes energy from supply.
7. method of work according to claim 6, is characterized in that: convert a part of kinetic energy of wheel to electric energy, produces rotational resistance to composite brake disc (1).
8. method of work according to claim 6, it is characterized in that: configure hydraulic braking moment and electromagnetic braking moment according to the size factor with the speed of a motor vehicle, brake load, and calculate the goal pressure of now hydraulic braking and the target current of electromagnetic braking, according to the pressure in goal pressure and target current difference hydraulic control oil circuit (11) and the size of current in magnet coil (14).
9. method of work according to claim 6, is characterized in that: when drg is not braked, and disconnect generating stator coil (4) loop, magnet coil (14) no power, hydraulic circuit (11) is without pressure.
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| CN201310656724.7A CN103640487B (en) | 2013-12-09 | 2013-12-09 | A kind of electromagnetism-hydraulic pressure composite brakig device and method of work with spontaneous electrical function |
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| CN201310656724.7A CN103640487B (en) | 2013-12-09 | 2013-12-09 | A kind of electromagnetism-hydraulic pressure composite brakig device and method of work with spontaneous electrical function |
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| CN103640487B true CN103640487B (en) | 2015-08-26 |
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| CN104192008A (en) * | 2014-08-13 | 2014-12-10 | 青岛盛嘉信息科技有限公司 | Brake pad based on digital control |
| CN104192007A (en) * | 2014-08-13 | 2014-12-10 | 青岛盛嘉信息科技有限公司 | Brake method based on digital control |
| CN104192005A (en) * | 2014-08-13 | 2014-12-10 | 青岛盛嘉信息科技有限公司 | Brake device based on digital control |
| CN104192006A (en) * | 2014-08-13 | 2014-12-10 | 青岛盛嘉信息科技有限公司 | Electromagnetic braking method |
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Granted publication date: 20150826 |