CN108263357A - Brake and braking system and vehicle - Google Patents

Brake and braking system and vehicle Download PDF

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Publication number
CN108263357A
CN108263357A CN201611260033.5A CN201611260033A CN108263357A CN 108263357 A CN108263357 A CN 108263357A CN 201611260033 A CN201611260033 A CN 201611260033A CN 108263357 A CN108263357 A CN 108263357A
Authority
CN
China
Prior art keywords
brake
voussoir
component
driving
driving motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201611260033.5A
Other languages
Chinese (zh)
Inventor
郑祖雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Co Ltd
Original Assignee
BYD Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BYD Co Ltd filed Critical BYD Co Ltd
Priority to CN201611260033.5A priority Critical patent/CN108263357A/en
Publication of CN108263357A publication Critical patent/CN108263357A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T1/00Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/02Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
    • B60T1/06Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
    • B60T1/062Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels acting on transmission parts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L15/00Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
    • B60L15/20Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
    • B60L15/28Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed without contact making and breaking, e.g. using a transductor
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
    • B60T13/74Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/17Using electrical or electronic regulation means to control braking
    • B60T8/171Detecting parameters used in the regulation; Measuring values used in the regulation
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T8/00Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
    • B60T8/32Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration
    • B60T8/58Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force responsive to a speed condition, e.g. acceleration or deceleration responsive to speed and another condition or to plural speed conditions
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/64Electric machine technologies in electromobility
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/72Electric energy management in electromobility

Abstract

The invention discloses a kind of brake and braking system and vehicle, brake includes:Driving motor;Transition components, transition components are suitable for the rotation of driving motor being converted to linear motion;Driving member, driving member move along a straight line with transition components;Wedge assemblies, wedge assemblies include:The lozenges of first voussoir and the second voussoir, the first voussoir and the second voussoir is oppositely arranged, and the first voussoir is fixed with driving member;Brake(-holder) block, brake(-holder) block are arranged to and the second voussoir synchronizing moving;Brake disc, a part and the brake(-holder) block of brake disc are oppositely arranged.In the present invention, due to using driving motor, this connection mode being mechanically and electrically, not only so that brake structural is simple, mechanical connection is few, and weight is small, small, but also signal transmits rapidly, braking response is fast, is quick on the draw, and can be conducive to the realization of fast braking.In addition, such connection mode also promotes transmission efficiency, the energy can be effectively saved.

Description

Brake and braking system and vehicle
Technical field
The present invention relates to technical field of vehicle more particularly to a kind of brake and with the brake braking system and Vehicle with the braking system.
Background technology
In the relevant technologies, vehicle generally using hydraulic brake as braking member, but hydraulic brake volume Greatly, cause occupy wheel at space it is larger and complicated, braking response is slow, causes braking effect poor.
Invention content
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, the present invention carries Go out a kind of brake, which is driven by driving motor, can so that braking response is rapid, and small, at low cost.
The present invention further proposes a kind of braking system.
The present invention further also proposed a kind of vehicle.
Brake according to embodiments of the present invention, including:Driving motor;Transition components, the transition components are suitable for institute The rotation for stating driving motor is converted to linear motion;Driving member, the driving member move along a straight line with the transition components;Voussoir group Part, the wedge assemblies include:The lozenges of first voussoir and the second voussoir, first voussoir and second voussoir is opposite Setting, first voussoir are fixed with the driving member;Brake(-holder) block, the brake(-holder) block are arranged to move synchronous with second voussoir It is dynamic;Brake disc, a part for the brake disc are oppositely arranged with the brake(-holder) block.
In the present invention, due to using driving motor, this connection mode being mechanically and electrically, not only structure letter Single, mechanical connection is few, and weight is small, small, but also signal transmits rapidly, and braking response is fast, is quick on the draw, and can be conducive to Fast braking.In addition, such connection mode also transmission efficiency, can effectively save the energy.
In addition, brake according to the present invention can also have following distinguishing feature:
In some examples of the present invention, the transition components are screw pair, and the screw pair includes the first component and the Two components, the first component and the driving motor rotate synchronously, the second component be arranged on the first component and Relatively described first component linear motion, wherein, the driving member moves along a straight line with the second component.
In some examples of the present invention, the driving member is babinet, and the second component passes through the first of the babinet Side wall, first voussoir are fixed on the second sidewall of the babinet, and the first side wall is connected with the second sidewall.
In some examples of the present invention, the second component is provided with limiting in the axial both sides of the first side wall Block.
In some examples of the present invention, the first component is nut, is connected between the nut and the driving motor Drive shaft is connected to, the second component is leading screw, and the driving member is set on the leading screw and with the lead screw straight-line.
In some examples of the present invention, the revolute is planetary roller screw, and the first component is leading screw, described Second component is nut, and threaded rollers are provided between the leading screw and the nut.
In some examples of the present invention, the brake further includes:Retarder, the retarder are arranged on the driving Between motor and the transition components.
The present invention some examples in, the retarder be planetary gear reducing mechanism, the planet-gear speed reducer Structure includes:Sun gear, planetary gear, planet carrier and gear ring, the driving motor are connected with the sun gear, and the gear ring is fixed, The planet carrier is connected with the transition components.
In some examples of the present invention, rolling member is provided between first voussoir and second voussoir.
In some examples of the present invention, the brake further includes:Braking clamp body, the wedge assemblies are located at the system In moving caliper, second voussoir and the brake(-holder) block are located at the lateral of the brake disc.
In some examples of the present invention, the brake further includes:Locking part, the locking part are suitable in the braking The motor shaft of selectively driving motor described in locking when device is braked, to realize parking braking.
In some examples of the present invention, the locking part includes:Housing;Electromagnetic coil, the electromagnetic coil are arranged on In the housing;Magnetic slider, the magnetic slider are corresponding with the electromagnetic coil;First friction plate, first friction Piece is axially displaceably set on the housing;Second friction plate, second friction plate be fixed on the motor shaft and It is oppositely arranged with first friction plate;Elastic component, the elastic component be arranged between the housing and the magnetic slider with The magnetic slider is driven to compress first friction plate and second friction plate.
In some examples of the present invention, free-sliding spline structure is provided between first friction plate and the housing.
A kind of brake, including:Two driving devices, two driving devices are oppositely arranged, each driving dress It puts and includes:Driving motor;Transition components, the transition components are screw pair, and the screw pair includes the first component and second Component, the first component are rotated synchronously with the driving motor, and the second component is arranged on the first component and phase It moves along a straight line to the first component;Babinet, two second components pass through two opposite the first side walls of the babinet And the babinet moves along a straight line with described two second components;Wedge assemblies, the wedge assemblies include:First voussoir and second The lozenges of voussoir, first voussoir and second voussoir is oppositely arranged, first voussoir and the second of the babinet Side wall is fixed, and the second sidewall is connected between two the first side walls;Brake(-holder) block, the brake(-holder) block be arranged to it is described Second voussoir synchronizing moving;Brake disc, a part for the brake disc are oppositely arranged with the brake(-holder) block.
In some examples of the present invention, one end that two second components are stretched into the babinet is provided with limited block.
Brake system according to the invention, including:Pedal simulator;Controller, the pedal simulator and the control Device is electrically connected;Power driving circuit, the power driving circuit are electrically connected with the controller;The brake, the drive Dynamic motor is electrically connected with the power driving circuit, wherein, the controller is according to speed wheel speed, the electric current of the driving motor Control signal is sent out with rotor-position signal.
Vehicle according to the invention, including the braking system.
Description of the drawings
Fig. 1 and Fig. 2 is the structure diagram according to the brake of two kinds of embodiments of the invention;
Fig. 3 is the structure diagram of retarder;
Fig. 4 is the schematic diagram of planetary roller screw;
Fig. 5 is the structure diagram of locking part;
Fig. 6 is the schematic diagram of braking system according to embodiments of the present invention.
Reference numeral:
Braking system 1000;
Brake 100;
Driving motor 10;Motor shaft 11;
Transition components 20;The first component 21;Second component 22;Limited block 23;Roller 24;
Driving member 30;The first side wall 31;Second sidewall 32;
Wedge assemblies 40;First voussoir 41;Second voussoir 42;Rolling member 43;
Brake(-holder) block 50;
Brake disc 60;
Retarder 70;Sun gear 71;Planetary gear 72;Planet carrier 73;Gear ring 74;
Braking clamp body 80;
Locking part 90;Housing 91;Electromagnetic coil 92;Magnetic slider 93;First friction plate 94;Second friction plate 95;Elasticity Part 96;Free-sliding spline structure 97;
Pedal simulator 200;Controller 300;Power driving circuit 400.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings.Below with reference to The embodiment of attached drawing description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Below with reference to the accompanying drawings brake 100 according to embodiments of the present invention is described in detail, which can apply In the braking system 1000 of vehicle, to be used for brake wheel.
Brake 100 according to embodiments of the present invention can include:Driving motor 10, transition components 20, driving member 30, wedge Block assembly 40, brake disc 60 and brake(-holder) block 50.
Driving motor 10 can rotate and reverse.Transition components 20 are suitable for the rotation of driving motor 10 converting the fortune that is in line It is dynamic, that is to say, that transition components 20 can play the role of converting motion mode, so as to which linear motion is convenient for export.
Wherein, as depicted in figs. 1 and 2, transition components 20 can be screw pair, and screw pair includes the first component 21 and second Component 22, the first component 21 are rotated synchronously with driving motor 10, and second component 22 is arranged on the first component 21, and second 22 relative thereto 21 of part moves along a straight line.
Driving member 30 can move along a straight line with transition components 20, and specifically, driving member 30 is set on second component 22, and And driving member 30 can move along a straight line with second component 22.Second component 22 can be by between the first component 21 as a result, Helical rotation moves along a straight line to realize, and in the process, driving member 30 can move along a straight line with second component 22.
As depicted in figs. 1 and 2, wedge assemblies 40 can include:First voussoir 41 and the second voussoir 42,41 He of the first voussoir The lozenges of second voussoir 42 is oppositely arranged, and the first voussoir 41 is fixed with driving member 30, and brake(-holder) block 50 is arranged to and the second voussoir 42 synchronizing movings, a part and the brake(-holder) block 50 of brake disc 60 are oppositely arranged.Driving member 30 is in linear motion in this way, first wedge Block 41 can be moved with synchronous linear.
The work of brake 100 according to embodiments of the present invention is described in detail by taking brake 100 shown in FIG. 1 as an example below Principle.
Since the lozenges of the first voussoir 41 and the second voussoir 42 is oppositely arranged, in this way when driving motor 10 works, pass Moving part 30 moves along a straight line, and the lozenges of the first voussoir 41 position corresponding with the lozenges of the second voussoir 42 constantly changes, and first The entire length (i.e. the first voussoir 41 and the second voussoir 42 in Fig. 1 the length on left and right directions) of 41 and second voussoir 42 of voussoir It will change, the leftward or rightward movement under the forcing of the first voussoir 41 of the second voussoir 42.
For example, when driving motor 10 rotates forward, the first voussoir 41 moves downward, and the second voussoir 42 can drive right side brake Piece 50 moves, until braking brake disc 60, is imitated so as to realize to brake to left movement to the direction close to brake disc 60 Fruit.Meanwhile under the action of opposing force, braking clamp body 80 can synchronize left side brake(-holder) block 50 move right, i.e., to by The direction movement of nearly brake disc 60, until braking brake disc 60, so as to realize braking effect.
It is briefly described by taking brake 100 shown in Fig. 2 as an example again below.
As shown in Fig. 2, when the first voussoir 41 is moved right with second component 22, the second voussoir 42 drives brake(-holder) block 50 downward Movement, until braking brake disc 60, so as to realize braking effect.
In addition, when needing to perform parking braking, brake 100 can pass through the motor shaft 11 of locking driving motor 10 Mode is realized, so that parking braking is simple and reliable.
Traditional hydraulic brake generally requires the arrangement devices such as fluid pressure line and hydraulic cylinder, leads to brake in this way Complicated, weight is big, and volume is big, seriously occupies the space at wheel.
And in the present invention, due to using driving motor 10, this connection mode being mechanically and electrically, not only structure Simply, mechanical connection is few, and weight is small, small, but also signal transmits rapidly, and braking response is fast, is quick on the draw, can be advantageous In fast braking.In addition, such connection mode also transmission efficiency, can effectively save the energy.
Wherein, as depicted in figs. 1 and 2, driving member 30 can be babinet, and second component 22 passes through the first side wall of babinet 31, the first voussoir 41 is fixed on the second sidewall 32 of babinet, and the first side wall 31 is connected with second sidewall 32.Babinet can substantially be in Cuboid, and internal is hollow-core construction, can advantageously reduce the weight of brake 100 in this way.Moreover, babinet in this way can be with The first voussoir of synchronous drive 41 is moved relative to the second voussoir 42 in a lateral direction, so as to promote the second voussoir 42 and braking Piece 50 correspondingly moves.
Optionally, second component 22 is provided with limited block 23 in the axial both sides of the first side wall 31.Limited block 23 can be The degree of freedom of babinet is limited on the axial direction of second component 22, so that babinet is reliably synchronized with second component 22 Linear motion.As a result, by setting limited block 23, it is ensured that the reliability that is synchronized with the movement of babinet.
According to a preferred embodiment of the present invention, as depicted in figs. 1 and 2, the first component 21 can be nut, nut with Drive shaft is connected between driving motor 10, second component 22 can be leading screw, and driving member 30 is set on leading screw, and is driven Part 30 is with lead screw straight-line.That is, the motor shaft 11 of driving motor 10 can be with synchronous drive nut rotation, Er Qiesi Thick stick can be axially moved with opposing nut screw with realizing, such leading screw can drive 41 axis of the first voussoir by driving member 30 To movement.
It should be noted that only the rotation of restricted leading screw could realize the linear motion of leading screw opposing nut.Wherein, it limits The rotating manner of throwing thick stick has very much, and several specific limitation modes are provided below.
Brake 100 can also include:Circumferential limiting device (not shown), the main function of the circumferential direction limiting device are For directly or indirectly limiting circumferentially rotating for leading screw.
Wherein, circumferential limiting device can be arranged directly on to limit circumferentially rotating for leading screw at leading screw, for example, circumferential limit Position device can be provided with the guide groove axially extended, and guide protrusions are provided on leading screw, and guide protrusions coordinate in guide groove It is interior, by the cooperation of guide protrusions and guide groove, it can effectively limit circumferentially rotating for leading screw.
Circumferential limiting device can be also used for limitation babinet and circumferentially rotate, herein, it should be noted that babinet must be It is circumferential clocking of turbine relationship with leading screw, i.e. babinet is circumferentially static, and leading screw is circumferentially static;Babinet circumferentially rotates, and leading screw circumferentially rotates.Example Such as, it can directly be fixed between babinet and leading screw.
Babinet can be limited with cuboid or square, circumferential limiting device by way of the side wall for limiting babinet The rotation of babinet processed, for example, circumferential limiting device is bearing directly against in the two side walls of babinet.For another example, circumferential limiting device can To be provided with axially extending guide frame, the side wall of babinet coordinates on guide frame.
Circumferential limiting device can be also used for circumferentially rotating for the first voussoir 41 of limitation.Herein, it should be noted that babinet Must be with leading screw be circumferential clocking of turbine relationship, i.e. babinet is circumferentially static, and leading screw is circumferentially static;Babinet circumferentially rotates, and leading screw is circumferential Rotation.For example, it can directly be fixed between babinet and leading screw.
Since the first voussoir 41 only moves in a straight line, circumferential limiting device can be provided with axially extending guiding knot Structure, the first voussoir 41 coordinate on guide frame.Such first voussoir 41 can keep babinet and screw synchronous to move along a straight line.
According to another embodiment of the invention, as shown in figure 4, revolute can be planetary roller screw, the first component 21 can be leading screw, and second component 22 can be nut, and threaded rollers 24 are provided between leading screw and nut.Nut passes through screw thread Roller 24 is axially moved with respect to leading screw.Wherein, the concrete structure of planetary roller screw and operation principle are people in the art The known technology of member, this will not be detailed here.
A specific embodiment according to the present invention, as depicted in figs. 1 and 2, brake 100 can also include:Retarder 70, retarder 70 is arranged between driving motor 10 and transition components 20.Retarder 70, which can play the role of slowing down, increases square, from And it is suitable to the rotating speed of transition components 20 that driving motor 10 can be caused to export, and first wedge block 41 can be caused with respect to the second voussoir 42 movement velocity is suitable, and then can cause 100 reliable operation of brake and accurate, can promote the braking ability of vehicle.
Optionally, as shown in figure 3, retarder 70 can be planetary gear reducing mechanism, planetary gear reducing mechanism can be with Including:Sun gear 71, planetary gear 72, planet carrier 73 and gear ring 74, driving motor 10 are connected with sun gear 71, and gear ring 74 is fixed, Planet carrier 73 is connected with transition components 20.That is, when power transmits, the power that driving motor 10 generates can pass through electricity Arbor 11 is directly passed to the sun gear 71 in planetary gear reducing mechanism, can realize and subtract between sun gear 71 and planet carrier 73 Speed increases square, and can impart power to transition components 20.Planetary gear reducing mechanism is simple in structure in this way, slows down and increases square effect Fruit is preferable.
It should be noted that if the lozenges of the first voussoir 41 and the second voussoir 42 is in direct contact, between the two Frictional resistance it is larger and more serious to the abrasion of the first voussoir 41 and the second voussoir 42.So optionally, such as Fig. 1 and Fig. 2 It is shown, it can be provided with rolling member 43 between the first voussoir 41 and the second voussoir 42.The side of pure rolling may be used in rolling member 43 Formula, the frictional resistance that can be substantially reduced in this way between the first voussoir 41 and the second voussoir 42 can cause 41 He of first wedge block Relative motion is smooth and reliable between second voussoir 42, and then can improve the functional reliability of brake 100.Rolling member 43 can Think roller.
Wherein, as shown in Figure 1, brake 100 can also include:Braking clamp body 80, wherein 80 and second wedge of braking clamp body There are many arrangements of block 42, is described with reference to Fig. 1 and Fig. 2.It should be pointed out that braking clamp body 80 is floating clamp Body, in other words, braking clamp body 80 are the caliper that can be moved.
As shown in Figure 1, wedge assemblies 40 are located in braking clamp body 80, the second voussoir 42 and brake(-holder) block 50 are located at brake disc 60 It is lateral.Such second voussoir 42 can drive brake(-holder) block 50 to contact brake disc 60 in lateral, so that braking Piece 50 and brake disc 60 contact reliably, can reduce the change of brake 100.
It is described in detail with reference to Fig. 1 and Fig. 5 in brake 100 according to embodiments of the present invention and is used for parking system Dynamic component:Locking part 90.Locking part 90 is suitable for the selectively motor shaft of locking driving motor 10 when brake 100 is braked 11, to realize parking braking.It is understood that when needing parking braking, driver can be controlled by operating accordingly Locking part 90 processed works, the motor shaft 11 of 90 locking driving motor 10 of locking part, so that driving member 30 and first wedge Block 41 is fixed, and correspondingly, the second voussoir 42 is also fixed, and such brake(-holder) block 50 is constantly contacted and braked with brake disc 6.
As shown in figure 5, locking part 90 can include:Housing 91, electromagnetic coil 92, magnetic slider 93, the first friction plate 94, Second friction plate 95 and elastic component 96, middle casing 91 can be the housing of driving motor 10, and alternatively, locking part 90 can integrate Inside driving motor 10, it can cause that brake 100 is compact-sized in this way, it is small.
Electromagnetic coil 92 is arranged in housing 91, for example, electromagnetic coil 92 can be fixed on the inner peripheral surface of housing 91, in this way It can ensure reliability of the electromagnetic coil 92 in housing 91.Magnetic slider 93 is corresponding with electromagnetic coil 92, works as electromagnetic coil During 92 energization, magnetic slider 93 moves under the action of electromagnetic coil 92.
First friction plate 94 can be axially movably arranged on housing 91, for example, as shown in figure 5, the first friction plate 94 Free-sliding spline structure 97 is provided between housing 91.Free-sliding spline structure 97 can ensure the first friction plate 94 on housing 91 Axial movement reliability.
Second friction plate 95 is fixed on motor shaft 11, and the second friction plate 95 is oppositely arranged with the first friction plate 94, In this way when the first friction plate 94 and the second friction plate 95 are bonded to each other, motor shaft 11 is braked.Elastic component 96 is arranged on housing Magnetic slider 93 to be driven to compress the first friction plate 94 and the second friction plate 95 between 91 and magnetic slider 93.Wherein, elastic component 96 can be helical spring.
With reference to the operation principle of Fig. 5 detailed description lockings part 90.
Parking braking state:When electromagnetic coil 92 powers off, magnetic slider 93 pushes first to rub under the action of elastic component 96 Pad 94 is moved to the direction close to the second friction plate 95, until the first friction plate 94 and the second friction plate 95 mutually recline and phase It mutually clamps, 10 energization work of driving motor, brake(-holder) block 50 brakes brake disc 60, and then driving motor 10 powers off, at this point, motor shaft 11 by locking, so as to realize parking braking.
Solution stays state:Electromagnetic coil 92 is powered, 93 compression elastic piece 96 of magnetic slider, the first friction plate 94 and the second friction Piece 95 is separated from each other, and releases the locking to motor shaft 11, and motor shaft 11 is in free state, so as to realize that electronic solution is stayed.
The parking braking mode of brake 100 is simple and reliable as a result, additionally by electromagnetic coil 92 and driving motor 10 The switching of break-make electricity condition can be realized so that parking braking is rapid and reliable.
A kind of brake 100 according to the specific embodiment of the invention is described in detail with reference to Fig. 1 and Fig. 2.
Brake 100 according to embodiments of the present invention can include:Two driving devices, babinet, wedge assemblies 40, braking Piece 50 and brake disc 60, two driving devices are oppositely arranged, and in this way when brake 100 does not work, two driving devices can be with It is arranged symmetrically.
Each driving device includes:Driving motor 10 and transition components 20, transition components 20 be screw pair, screw pair packet The first component 21 and second component 22 are included, the first component 21 is rotated synchronously with driving motor 10, and second component 22 is arranged on first On component 21, and 22 relative thereto 21 of second component moves along a straight line.And two second components 22 pass through the two of babinet A opposite the first side wall 31, and babinet moves along a straight line with two second components 22.Wherein, as depicted in figs. 1 and 2, two One end that second component 22 is stretched into babinet is provided with limited block 23.Each limited block 23 can play the role of pulling block.Example Such as, as shown in Figure 1, when moving upwards, the limited block 23 positioned at upside is pulling block, when moving downward, the limited block positioned at downside 23 be pulling block.
Wedge assemblies 40 include:The lozenges of first voussoir 41 and the second voussoir 42, the first voussoir 41 and the second voussoir 42 It is oppositely arranged, the second sidewall 32 of the first voussoir 41 and babinet is fixed, and second sidewall 32 is connected between two the first side walls 31. Brake(-holder) block 50 is arranged to be oppositely arranged with 42 synchronizing moving of the second voussoir, a part and the brake(-holder) block 50 of brake disc 60.
It should be noted that by setting two driving motors 10, the reliable operation of brake 100 on the one hand can be improved Property, it on the other hand can extend the service life of brake 100, for example, after one of driving motor 10 damages, another drives Dynamic motor 10 may continue to work.
A kind of braking system 1000 according to embodiments of the present invention is described in detail with reference to Fig. 6.
Braking system 1000 according to embodiments of the present invention includes:Pedal simulator 200, controller 300, power drive electricity Road 400 and the brake 100 of above-described embodiment, pedal simulator 200 are electrically connected with controller 300, power driving circuit 400 with Controller 300 is electrically connected, and driving motor 10 is electrically connected with power driving circuit 400, wherein, controller 300 according to speed wheel speed, The electric current and rotor-position signal of driving motor 10 send out control signal.
The operation principle of braking system 1000 is explained in detail below.
When automobile brake, driver steps on electronic brake pedal, and electronic brake pedal carries pedal simulator 200, steps on Plate stroke signal is sent to controller 300 by harness (such as CAN bus).Controller 300 receives speed wheel speed, driving simultaneously 10 electric current of motor and rotor-position signal, are analyzed by comprehensive calculating, and controller 300 sends out control signal.
Power driving circuit 400 provides correspondingly sized and direction according to the control signal of controller 300 to driving motor 10 Electric current, so as to control the rotating speed of driving motor 10, output torque, rotation direction.Driving motor 10 drives mechanical execution machine again Structure generates brake force and is defeated by wheel and implements to brake.The braking system 1000 can with an electronic type brake pedal instead of Traditional brake pedal eliminates the conventional hydraulics braking systems such as the larger vacuum brake assistor of volume, master cylinder, oil conservator The component of system can so that braking system 1000 is simple in structure, small, at low cost, realize that functional response is rapid.
And, on the one hand, when execution anti-braking waits indefinitely action, electronic brake pedal does not have rebound vibration, improves Brake comfort;On the other hand, when vehicle collides, impact force will not be passed to by braking system 1000 in driver's cabin, Improve the passive safety of automobile.
Vehicle according to embodiments of the present invention, the braking system 1000 including above-described embodiment.
In the description of this specification, reference term " one embodiment ", " example ", " is specifically shown " some embodiments " The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description Point is contained at least one embodiment of the present invention or example.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It is combined in an appropriate manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field Art personnel can tie the different embodiments or examples described in this specification and the feature of different embodiments or examples It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is impossible to limitation of the present invention is interpreted as, those of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, changes, replacing and modification.

Claims (17)

1. a kind of brake, which is characterized in that including:
Driving motor;
Transition components, the transition components are suitable for the rotation of the driving motor being converted to linear motion;
Driving member, the driving member move along a straight line with the transition components;
Wedge assemblies, the wedge assemblies include:First voussoir and the second voussoir, first voussoir and second voussoir Lozenges is oppositely arranged, and first voussoir is fixed with the driving member;
Brake(-holder) block, the brake(-holder) block are arranged to and the second voussoir synchronizing moving;
Brake disc, a part for the brake disc are oppositely arranged with the brake(-holder) block.
2. brake according to claim 1, which is characterized in that the transition components be screw pair, the screw pair packet The first component and second component are included, the first component is rotated synchronously with the driving motor, and the second component is arranged on institute It states on the first component and the relatively described first component moves along a straight line,
Wherein, the driving member moves along a straight line with the second component.
3. brake according to claim 2, which is characterized in that the driving member is babinet, and the second component passes through The first side wall of the babinet, first voussoir are fixed on the second sidewall of the babinet, the first side wall and described Two side walls are connected.
4. brake according to claim 3, which is characterized in that the second component is axial the two of the first side wall Side is provided with limited block.
5. brake according to claim 2, which is characterized in that the first component be nut, the nut with it is described Drive shaft is connected between driving motor, the second component is leading screw, and the driving member is set on the leading screw and with institute State lead screw straight-line.
6. brake according to claim 2, which is characterized in that the revolute be planetary roller screw, described first Component is leading screw, and the second component is nut, and threaded rollers are provided between the leading screw and the nut.
7. brake according to claim 1, which is characterized in that further include:Retarder, the retarder are arranged on described Between driving motor and the transition components.
8. brake according to claim 7, which is characterized in that the retarder is planetary gear reducing mechanism, described Planetary gear reducing mechanism includes:Sun gear, planetary gear, planet carrier and gear ring, the driving motor are connected with the sun gear, The gear ring is fixed, and the planet carrier is connected with the transition components.
9. brake according to claim 1, which is characterized in that set between first voussoir and second voussoir There is rolling member.
10. brake according to claim 1, which is characterized in that further include:Braking clamp body, the wedge assemblies are located at In the braking clamp body, second voussoir and the brake(-holder) block are located at the lateral of the brake disc.
11. according to the brake described in any one of claim 1-10, which is characterized in that further include:Locking part, the locking Part is suitable for the selectively motor shaft of driving motor described in locking in the brake, to realize parking braking.
12. brake according to claim 11, which is characterized in that the locking part includes:
Housing;
Electromagnetic coil, the electromagnetic coil are arranged in the housing;
Magnetic slider, the magnetic slider are corresponding with the electromagnetic coil;
First friction plate, first friction plate are axially displaceably set on the housing;
Second friction plate, second friction plate are fixed on the motor shaft and are oppositely arranged with first friction plate;
Elastic component, the elastic component are arranged between the housing and the magnetic slider that the magnetic slider is driven to compress institute State the first friction plate and second friction plate.
13. brake according to claim 12, which is characterized in that set between first friction plate and the housing There is free-sliding spline structure.
14. a kind of brake, which is characterized in that including:
Two driving devices, two driving devices are oppositely arranged, and each driving device includes:
Driving motor;
Transition components, the transition components be screw pair, the screw pair include the first component and second component, described first Part is rotated synchronously with the driving motor, and the second component is arranged on the first component and the relatively described first component is straight Line moves;
Babinet, two second components pass through two opposite the first side walls of the babinet and the babinet is with described two Second component moves along a straight line;
Wedge assemblies, the wedge assemblies include:First voussoir and the second voussoir, first voussoir and second voussoir Lozenges is oppositely arranged, and the second sidewall of first voussoir and the babinet is fixed, and the second sidewall is connected to two institutes It states between the first side wall;
Brake(-holder) block, the brake(-holder) block are arranged to and the second voussoir synchronizing moving;
Brake disc, a part for the brake disc are oppositely arranged with the brake(-holder) block.
15. brake according to claim 14, which is characterized in that two second components are stretched into the babinet One end is provided with limited block.
16. a kind of braking system, which is characterized in that including:
Pedal simulator;
Controller, the pedal simulator are electrically connected with the controller;
Power driving circuit, the power driving circuit are electrically connected with the controller;
According to the brake described in any one of claim 1-15, the driving motor is electrically connected with the power driving circuit It connects,
Wherein, the controller sends out control signal according to speed wheel speed, the electric current of the driving motor and rotor-position signal.
17. a kind of vehicle, which is characterized in that including braking system according to claim 16.
CN201611260033.5A 2016-12-30 2016-12-30 Brake and braking system and vehicle Pending CN108263357A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611260033.5A CN108263357A (en) 2016-12-30 2016-12-30 Brake and braking system and vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611260033.5A CN108263357A (en) 2016-12-30 2016-12-30 Brake and braking system and vehicle

Publications (1)

Publication Number Publication Date
CN108263357A true CN108263357A (en) 2018-07-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611260033.5A Pending CN108263357A (en) 2016-12-30 2016-12-30 Brake and braking system and vehicle

Country Status (1)

Country Link
CN (1) CN108263357A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109606337A (en) * 2018-11-19 2019-04-12 江苏大学 A kind of electronic wedge brake apparatus and its braking method directly driven based on electric pole
CN111994058A (en) * 2020-09-04 2020-11-27 合肥工业大学 Position limiting mechanism of line control braking system

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CN102758868A (en) * 2012-07-18 2012-10-31 奇瑞汽车股份有限公司 Electric brake
CN205689645U (en) * 2016-04-07 2016-11-16 金华职业技术学院 A kind of dual-wedge formula automobile electromechanical brake

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CN1646823A (en) * 2002-04-26 2005-07-27 电控股份有限公司 Motor vehicle brake system comprising a parking brake function and electromechanical wheel brake for such a motor vehicle brake system
US20040262101A1 (en) * 2003-06-24 2004-12-30 Dietmar Baumann Disk brake with self-boosting
KR100610120B1 (en) * 2004-12-16 2006-08-09 현대자동차주식회사 Disk brake apparatus for a vehicle
KR20080057631A (en) * 2006-12-20 2008-06-25 주식회사 만도 Disk brake for vehicle
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109606337A (en) * 2018-11-19 2019-04-12 江苏大学 A kind of electronic wedge brake apparatus and its braking method directly driven based on electric pole
CN111994058A (en) * 2020-09-04 2020-11-27 合肥工业大学 Position limiting mechanism of line control braking system

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Application publication date: 20180710