CN107380153A - A kind of brakes for vehicle - Google Patents
A kind of brakes for vehicle Download PDFInfo
- Publication number
- CN107380153A CN107380153A CN201710434309.5A CN201710434309A CN107380153A CN 107380153 A CN107380153 A CN 107380153A CN 201710434309 A CN201710434309 A CN 201710434309A CN 107380153 A CN107380153 A CN 107380153A
- Authority
- CN
- China
- Prior art keywords
- vehicle
- piston
- caliper
- braking
- 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.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE 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
- B60T13/00—Transmitting 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
- B60T13/74—Transmitting 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
- B60T13/741—Transmitting 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 acting on an ultimate actuator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE 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
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements 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
- B60T1/065—Arrangements 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 employing disc
Abstract
The invention provides a kind of brakes for vehicle, it is related to a kind of vehicle.The brakes includes：Caliper, electronic control unit and master cylinder of the motor braking portion with braking of the hydraulic braking portion to vehicle respectively responsive to brakes；Brake pedal, itself and master cylinder fluid pressure linkage；Sensor cluster, information trample braking amount corresponding to the different depth of brake pedal and the speed of vehicle including driver；Electronic control unit, its information transmitted in response to sensor cluster, and the wheel of vehicle is braked according to information controlled motor braking parts；Master cylinder, itself and hydraulic braking portion fluid pressure linkage, make it that hydraulic braking portion can brake to vehicle when motor braking portion to vehicle from braking.The response time braked by motor braking portion, electronic control unit and sensor cluster to the vehicle greatly shortens so that faster, reliability is higher for the brake system response speed of the application.
Description
Technical field
The present invention relates to a kind of vehicle, more particularly to a kind of brakes for vehicle.
Background technology
At present, two kinds of air-pressure brake and hydraulic braking are mainly used for the mode of braking of vehicle；Air-pressure brake is mainly used
In the vehicle such as light truck or heavy truck, hydraulic braking is mainly used in passenger car.Both modes of braking are all by engine combustion fuel
Chemical energy be converted into mechanical energy, be then reconverted into hydraulic energy, or the energy that compressed air is driven, be finally reconverted into
Mechanical energy is braked to vehicle.
It is low that above two mode of braking firstly there are brakes energy utilization efficiency；Secondly, with running car speed
Improve, vehicle safety performance is increasingly perfect：Such as ABS (dead system is prevented in braking), ESC (electronic stability control), EPB (electronic parking)
Deng, and these functions mainly controlled by multiple electronic valves the gentle pressure boost of hydraulic coupling in hydraulic/pneumatic loop, decompression with
And pressurize and realize.But in pressurize and decompression simultaneously, because compressibility be present in liquid/gas, therefore response lag, make brakes
Reaction time extends.Generally, it is necessary to which the magnetic valve reaction time adds brake plus hydraulic pressure or air pressure reaction time
The device reaction time；Again, Current vehicle all-electronin brakes deposits pedal sense constructional device complexity, causes poor reliability, especially
When it is vehicle power-off, it is impossible to carry out emergency brake to vehicle.Electronic equipment is relied primarily on additionally, due to all-electronin brakes,
So that driver easily causes driver to car to the no direct feel of reaction of the wheel to brakes in vehicle braking procedure
Take turns brake condition misjudgment.
The content of the invention
It is an object of the present invention to provide a kind of brakes for vehicle, to cause when vehicle powers off, system
Dynamic system remains able to carry out emergency brake.
The present invention one is further objective is that will shorten the reaction time of brakes.
The present invention another further objective is that to make driver in vehicle braking procedure, wheel is to brakes
Reaction has direct feel, so that driver reduces to the wrongheaded probability of wheel braking situation.
Especially, the invention provides a kind of brakes for vehicle, including：
Caliper, for being braked to the wheel of the vehicle, the caliper have can brake the wheel
Motor braking portion and hydraulic braking portion, the motor braking portion responds respectively with braking of the hydraulic braking portion to the vehicle
In the electronic control unit and master cylinder of the brakes；
Brake pedal, for controlling the brakes to brake the vehicle, itself and the master cylinder fluid pressure linkage；
Sensor cluster, for being trampled to the electronic control unit real-time Transmission information, described information including driver
Braking amount corresponding to the different depth of the brake pedal and the speed of the vehicle；
Electronic control unit, for controlling the caliper to brake the vehicle, it is in response to the sensor
The described information of component transmission, and control the motor braking portion to brake the wheel of the vehicle according to described information；
And
Master cylinder, for controlling the caliper to brake the vehicle, itself and hydraulic braking portion hydraulic pressure
Linkage, make it that the hydraulic braking portion can be to the vehicle when the motor braking portion to the vehicle from braking
Braking.
Further, the hydraulic braking portion forms the close of fluid pressure linkage with the master cylinder and the brake pedal
Stopped pipe road, to produce brake pedal sense feedback, when the brake pedal sense is fed back to the caliper to the wheel braking, institute
Reaction of the wheel to the braking clamp brake is stated, it is transferred to the braking by the hydraulic braking portion, the master cylinder
At pedal.
Further, the quantity of the caliper is consistent with the quantity of the wheel and corresponds setting；
The sensor cluster has：
Braking sensor, for driver to be trampled to braking amount real-time Transmission corresponding to the different depth of the brake pedal
To the electronic control unit, it is installed at the brake pedal, and the braking sensor is displacement transducer or/and pressure
Force snesor；And
Wheel speed sensors, for by the vehicle wheel rotational speed real-time Transmission of the vehicle to the electronic control unit, its quantity
And one-to-one corresponding consistent with the quantity of the caliper is set, and it is installed on the vehicle corresponding with corresponding caliper
Wheel at；
Preferably, the quantity of the caliper is four.
Further, the motor braking portion includes：
Motor, for providing driving force, the motor is controlled to rotate forward by the electronic control unit, reversion
Or stop；
Bolt and nut matable assembly, for being driven, it has screw rod and the nut being engaged with the screw rod, the screw rod
It is connected with the motor, the screw rod is driven relative to the nut rotation by the motor；
First piston, the friction plate for promoting the caliper compress the brake disc of the caliper, itself and the spiral shell
Mother is docked and is engaged with the nut, and the first piston is limited only to by the caliper can be along the length of the screw rod
Direction movement is spent, the first piston can fit with the friction plate of the caliper；
The hydraulic braking portion has：
Second piston, the friction plate of the caliper can be promoted to compress the brake disc of the caliper, described second lives
Plug is restricted to move only towards the friction plate, and the second piston has inner chamber, the inner chamber and the master cylinder
Fluid pressure linkage, to cause the second piston to be promoted by the master cylinder and be fitted with the friction plate of the caliper.
Further, the caliper is described for limiting with the cavity opened up towards the friction plate, the cavity
First piston can only be moved along the length direction of the screw rod, and the first piston is placed in the cavity,
The first piston is configured to pole piece, and has cavity at its one end, and the nut is placed in the cavity,
The other end of the first piston is used to promote the friction plate, and the other end and its one end of the first piston are reversed,
The other end of the first piston offers the through hole connected with the cavity, the second piston be placed in the through hole and with
The through hole coordinates,
The second piston has an opposite both ends, and the inner chamber is opened in the second piston end, and described second
The piston other end can fit with the friction plate, the first piston, the second piston, the nut and the spiral shell
The inner chamber is surrounded by the closed vessel that can carry out fluid pressure linkage by bar mutual cooperation.
Further, the motor braking portion also has the pin plugs component being connected with the electronic control unit, its
The motor is connected for electronic control unit control, the pin plugs component is installed on the motor
Place；
The motor is connected with the screw rod by planetary gear set.
Further, the brake disc of corresponding caliper is fastenedly connected with the wheel of corresponding vehicle.
Further, the master cylinder has the piston rod stretched out outside the master cylinder, the outer end of the piston rod
It is hinged with the brake pedal arm of the vehicle, during make it that driver steps on the brake pedal, the brake pedal arm promotes
The piston rod movement, makes the master cylinder carry out fluid pressure linkage.
Further, ABS, ESC and EPB control of the electronic control unit and the vehicle connect.
Because the response speed between motor braking portion, electronic control unit and sensor cluster is relative to others control
Device processed is quicker.Accordingly, with respect to prior art, pass through motor braking portion, electronic control unit and sensor cluster
The response time braked to the vehicle greatly shortens, so as to improve the retro-speed of brakes, so as to increase
The security of vehicle driving process.
In addition, while braking in the motor braking portion of electronic control unit control caliper to vehicle, using system
The hydraulic braking portion of dynamic pedal, master cylinder and the caliper is braked to vehicle.So, electricity can on the one hand be aided in
Mechanism is dynamic to carry out auxiliary braking, realizes brake boost.On the other hand, when vehicle powers off, that is to say, that electronic control unit without
When the motor braking portion of method control caliper is braked to vehicle, brake pedal, master cylinder and the system can be passed through
The hydraulic braking portion of dynamic pincers is braked to vehicle, and so as to provide the reliability of brakes significantly, vehicle has been effectively ensured
The security of braking.Finally, control the motor braking portion of caliper to brake vehicle by electronic control unit, stepped on braking
The hydraulic braking portion of plate, master cylinder and the caliper is braked to vehicle, plays complementation so that the braking of the application
Faster, reliability is higher for system response time.
When driver's brake pedal, on the one hand, sensor cluster is by the information transmission containing braking amount to electronics
Control unit, then electronic control unit according to information control caliper motor braking portion wheel is braked；The opposing party
Face, brake pedal are braked by the hydraulic braking portion fluid pressure linkage with master cylinder and caliper to vehicle.
Hydraulic braking portion forms the pipeline liquid injecting device of fluid pressure linkage with master cylinder and brake pedal so that the car being braked
Take turns and the brake response of caliper can be transferred at brake pedal by pipeline liquid injecting device, so that driver can intuitively feel
Reacted for caliper by brake wheel, more accurately sentenced so that driver can make to the braking procedure of vehicle
It is disconnected, so as to improve the security of vehicle braking.
According to the accompanying drawings will be brighter to the detailed description of the specific embodiment of the invention, those skilled in the art
Above-mentioned and other purposes, the advantages and features of the present invention.
Brief description of the drawings
Some specific embodiments of the present invention are described in detail by way of example, and not by way of limitation with reference to the accompanying drawings hereinafter.
Identical reference denotes same or similar part or part in accompanying drawing.It should be appreciated by those skilled in the art that these
What accompanying drawing was not necessarily drawn to scale.In accompanying drawing：
Fig. 1 is the perspective schematic view of the brakes for vehicle according to an embodiment of the invention；
Fig. 2 is the schematic cross sectional views of the caliper of the brakes for vehicle shown in Fig. 1.
Embodiment
Fig. 1 is the perspective schematic view of the brakes for vehicle according to an embodiment of the invention.With reference to
Fig. 1 is illustrated, and the brakes can include：Caliper 1, brake pedal 2, sensor cluster, electronic control unit 4 with
And master cylinder 5.Caliper 1 is used to brake the wheel of vehicle.Caliper 1 has can be with the motor braking of brake wheel
Portion 41 and hydraulic braking portion 42.Motor braking portion 41 is with braking of the hydraulic braking portion 42 to vehicle respectively responsive to brakes
Electronic control unit 4 and master cylinder 5.Brake pedal 2 is used to control brakes to brake vehicle, itself and the liquid of master cylinder 5
Pressure linkage.Sensor cluster is used for the real-time Transmission information of electronic control unit 4.Information can trample braking including driver and step on
Braking amount corresponding to the different depth of plate 2 and the speed of vehicle.Electronic control unit 4 is used to control caliper 1 to enter vehicle
Row braking, its information transmitted in response to sensor cluster, and the wheel of vehicle is entered according to information controlled motor braking parts 41
Row braking.Master cylinder 5 is used to control caliper 1 to brake vehicle, itself and the fluid pressure linkage of hydraulic braking portion 42, to cause
When can not be braked in motor braking portion 41 to vehicle, hydraulic braking portion 42 can brake to vehicle.
In addition, in fig. 1, label 7 is the connection of the wheel speed sensors 31 in sensor cluster and electronic control unit 4
Signal wire；Label 8 is expression master cylinder 5 and the control piper of the fluid pressure linkage of caliper 1；Label 9 is caliper 1 and electronics control
The connection signal wire of unit 4 processed.
Because the response speed between motor braking portion 41, electronic control unit 4 and sensor cluster is relative to other
Control device it is quicker.Accordingly, with respect to prior art, pass through motor braking portion 41, electronic control unit 4 and sensing
The response time that device assembly is braked to the vehicle greatly shortens, so as to improve the retro-speed of brakes, so as to
Increase the security of vehicle driving process.
In addition, while electronic control unit 4 controls the motor braking portion 41 of caliper 1 to brake vehicle, adopt
Vehicle is braked with the hydraulic braking portion 42 of brake pedal 2, master cylinder 5 and the caliper 1.So, on the one hand
It can be braked with stand-by motor and carry out auxiliary braking, realize brake boost.On the other hand, when vehicle powers off, that is to say, that electronics
When the motor braking portion 41 of the uncontrollable caliper 1 of control unit 4 is braked to vehicle, brake pedal 2, braking can be passed through
The hydraulic braking portion 42 of master cylinder 5 and the caliper 1 is braked to vehicle, so as to provide the reliable of brakes significantly
Property, the security of vehicle braking has been effectively ensured.Finally, the motor braking portion 41 of caliper 1 is controlled by electronic control unit 4
Vehicle is braked, vehicle is braked with the hydraulic braking portion 42 of brake pedal 2, master cylinder 5 and the caliper 1, played
Complementation so that faster, reliability is higher for the brake system response speed of the application.
When driver's brake pedal 2, on the one hand, sensor cluster is by the information transmission containing braking amount to electronics
Control unit 4, then electronic control unit 4 according to information control caliper 1 motor braking portion 41 wheel is braked；Separately
On the one hand, brake pedal 2 is by the fluid pressure linkage of hydraulic braking portion 42 with master cylinder 5 and caliper 1, to vehicle system
It is dynamic.
In the case of Figure of description is unshowned, further, hydraulic braking portion 42 is stepped on master cylinder 5 and braking
Plate 2 forms the pipeline liquid injecting device of fluid pressure linkage, and to produce the sense feedback of brake pedal 2, the sense of brake pedal 2 is fed back to caliper 1 to car
During wheel braking, reaction that wheel is braked to caliper 1, it is transferred to brake pedal 2 by hydraulic braking portion 42, master cylinder 5
Place.
Hydraulic braking portion 42 forms the pipeline liquid injecting device of fluid pressure linkage with master cylinder 5 and brake pedal 2 so that is braked
Wheel the brake response of caliper 1 can be transferred at brake pedal 2 by pipeline liquid injecting device so that driver can be straight
Reaction of the brake wheel for caliper 1 is experienced in sight so that driver the braking procedure of vehicle can be made it is more accurate
True judgement, so as to improve the security of vehicle braking.
In the case of Figure of description is unshowned, further, the quantity of caliper 1 is consistent with the quantity of wheel,
And correspond and set；
Sensor cluster can have
Braking sensor, for driver to be trampled to braking amount real-time Transmission corresponding to the different depth of brake pedal 2 extremely
Electronic control unit 4, it is installed at brake pedal 2, and braking sensor is displacement transducer or/and pressure sensor；With
And
Wheel speed sensors 31, by the vehicle wheel rotational speed real-time Transmission of vehicle to electronic control unit 4, its quantity and caliper 1
Quantity it is consistent and correspond set, be installed on at the wheel of the vehicle of corresponding caliper 1；
Preferably, the quantity of caliper 1 is four.
Because braking sensor is installed at brake pedal 2, and it can be displacement transducer or/and pressure sensing
Device, therefore relative to installation other positions, can more accurately detect that driver tramples the different depth pair of brake pedal 2
The braking amount answered, make braking of the driver to vehicle more accurate.
And wheel speed sensors 31 are respectively arranged at the corresponding wheel of vehicle, turning for each wheel can be accurately monitored
Speed, so as to provide more accurate and detailed information for electronic control unit 4, allow electronic control unit 4 accordingly to system
Dynamic pincers 1 carry out more rational control for brake.
Fig. 2 is the schematic cross sectional views of the caliper of the brakes for vehicle shown in Fig. 1.With reference to figure
2 illustrate, further,
Motor braking portion 41 can include motor 11, bolt and nut matable assembly 44 and first piston 12.
Motor 11 is used to provide driving force, control the motor 11 to rotate forward by the electronic control unit 4,
Reversion stops.
Screw rod 13 for motor braking parts 41 rotates relative to the nut 14 in motor braking portion 41.Electronic Control list
Member 4 controls the forward, reverse or stop of motor 11 to stop, and motor 11 is connected with screw rod 13.Bolt and nut matable assembly
44 first pistons 12 for being used for motor braking parts 41 move, and it can have screw rod 13 and the nut being engaged with screw rod 13
14.Nut 14 docks with first piston 12.First piston 12 can promote the friction plate 15 of caliper 1 to compress the system of caliper 1
Moving plate 17, it is engaged with nut 14.First piston 12 is braked pincers 1 and limits only to move along the length direction of screw rod 13
It is dynamic.First piston 12 can fit with the friction plate 15 of caliper 1.
Hydraulic braking portion 42 can have second piston 16.Second piston 16 can promote the friction plate 15 of caliper 1 to press
The brake disc 17 of tight caliper 1.Second piston 16 is restricted to move only towards friction plate 15.Second piston 16 can have
Inner chamber 161.Inner chamber 161 and the fluid pressure linkage of master cylinder 5, with cause second piston 16 be braked master cylinder 5 promote and with caliper 1
Friction plate 15 fit.
Because caliper 1 has the motor braking portion 41 that can be compressed respectively to friction plate 15 and hydraulic braking portion
42.Therefore so that master cylinder 5 can carry out control for brake to caliper 1 respectively with electronic control unit 4, so that this
The brakes of application can realize deceleration of electrons and hydraulic braking.
First piston 12 is driven by bolt and nut matable assembly 44 and master cylinder 5 respectively with second piston 16, and not
Generation interferes, so as to ensure that being smoothed out for respective braking maneuver.
In addition, electronic control unit 4 by controlling motor 11 to rotate, then drives nut 14 to coordinate screw rod 13 to rotate
And it is mobile, so as to realize the compression to friction plate 15, realize braking., on the one hand can be with and nut 14 is used cooperatively with screw rod 13
The rotary motion of motor is converted to the linear motion for promoting friction plate 15, on the other hand saved significantly relative to other transmission mechanisms
Space is saved, so that vehicle can install other more parts.
Illustrated with reference to Fig. 2, further, caliper 1 there can be the cavity 18 opened up towards friction plate 15.Cavity
18 can only move for limiting first piston 12 along the length direction of screw rod 13.First piston 12 is placed in cavity 18.First
Piston 12 is configured to pole piece, and can have cavity 121 at its one end.Nut 14 is placed in cavity 121, first piston 12
The other end be used for promote friction plate 15.The other end of first piston 12 is reversed with its one end.First piston 12 it is another
End offers the through hole connected with cavity 121.Second piston 16 is placed in through hole and coordinated with through hole.Second piston 16 can have
There are opposite both ends.Inner chamber 161 is opened in the end of second piston 16.The other end of second piston 16 can be affixed with friction plate 15
Close.First piston 12, second piston 16, nut 14 and screw rod 13, which cooperate inner chamber 161 being surrounded by, can carry out hydraulic pressure
The closed vessel of linkage.
Relative to being arranged to take different volume respectively by motor driving part and hydraulic-driven portion and space, the application exist
On the premise of guarantee first piston 12 can perform its respective braking maneuver respectively with second piston 16, due to second piston 16
It is installed in the through hole of first piston 12, that is to say, that second piston 16 is arranged in first piston 12, and first piston
12nd, second piston 16, nut 14 and screw rod 13, which cooperate, is surrounded by inner chamber 161 closing that can carry out fluid pressure linkage appearance
Device.Therefore, volume is substantially reduced, saves more spaces.
When master cylinder 5 drives the second piston 16 to promote friction plate 15, master cylinder 5 is to the inner chamber of the second piston 16
The liquid of 161 injection fluid pressure linkages, so as to promote second piston 16 to be fitted with friction plate 15, so as to be braked to wheel.
It is that electronic control unit 4 controls motor 11 to rotate that electronic control unit 4, which controls the process of first piston 12,
The nut 14 coordinated with screw rod 13 is driven, nut 14 promotes first piston 12 to move to friction plate 15 and be bonded with it, so as to enter
Row braking.
Illustrated continuing with Fig. 2, further, motor braking portion 41 can also have to be connected with electronic control unit 4
The pin plugs component 19 connect, it is used for the control connection motor 11 of electronic control unit 4.The pin plugs component 19 is pacified
At the motor 11.Motor 11 is connected with screw rod 13 by planetary gear set 111.
By pin plugs component 19 electronic control unit 4 can be made to be connected quickly with motor 11.Improve the system
The efficiency of assembling of dynamic system.
In the case where Figure of description is not shown, further, the brake disc 17 and the wheel of vehicle of caliper 1 are tight
It is solidly connected.Because caliper 1 is directly connected with wheel, relative to prior art, energy transmission path is shortened, so as to improve
Capacity usage ratio.
In the case where Figure of description is not shown, further, master cylinder 5, which can have, stretches out master cylinder 5
Outer piston rod, the outer end of piston rod and the arm of brake pedal 2 of vehicle are hinged, during causing driver's brake pedal 2, system
The dynamic arm of pedal 2 promotes piston rod movement, master cylinder 5 is carried out fluid pressure linkage.Realized and braked using lever principle.
In the case where Figure of description is not shown, further, ABS, ESC of electronic control unit 4 and vehicle with
And EPB control connections.So as to realize clamping, release, the holding to friction plate 15, so as to further improve the security of braking with
Reasonability.
So far, although those skilled in the art will appreciate that detailed herein have shown and described multiple showing for the present invention
Example property embodiment, still, still can be direct according to present disclosure without departing from the spirit and scope of the present invention
It is determined that or derive many other variations or modifications for meeting the principle of the invention.Therefore, the scope of the present invention is understood that and recognized
It is set to and covers other all these variations or modifications.
Claims (9)
1. a kind of brakes for vehicle, including：
Caliper, for being braked to the wheel of the vehicle, the caliper has the motor that can brake the wheel
Braking parts and hydraulic braking portion, the motor braking portion is with braking of the hydraulic braking portion to the vehicle respectively responsive to institute
State the electronic control unit and master cylinder of brakes；
Brake pedal, for controlling the brakes to brake the vehicle, itself and the master cylinder fluid pressure linkage；
Sensor cluster, for being trampled including driver described to the electronic control unit real-time Transmission information, described information
Braking amount corresponding to the different depth of brake pedal and the speed of the vehicle；
Electronic control unit, for controlling the caliper to brake the vehicle, it is in response to the sensor cluster
The described information of transmission, and control the motor braking portion to brake the wheel of the vehicle according to described information；And
Master cylinder, for controlling the caliper to brake the vehicle, itself and hydraulic braking portion fluid pressure linkage,
Make it that the hydraulic braking portion can brake to the vehicle when the motor braking portion to the vehicle from braking.
2. brakes according to claim 1, it is characterised in that the hydraulic braking portion and the master cylinder and
The brake pedal forms the pipeline liquid injecting device of fluid pressure linkage, and to produce brake pedal sense feedback, the brake pedal sense is fed back to
When the caliper is to the wheel braking, reaction of the wheel to the braking clamp brake, it passes through the hydraulic braking
Portion, the master cylinder are transferred at the brake pedal.
3. brakes according to claim 1 or 2, it is characterised in that
The quantity of the caliper is consistent with the quantity of the wheel and corresponds setting；
The sensor cluster has：
Braking sensor, for driver to be trampled to braking amount real-time Transmission corresponding to the different depth of the brake pedal to institute
Electronic control unit is stated, it is installed at the brake pedal, and the braking sensor is that displacement transducer or pressure pass
Sensor；And
Wheel speed sensors, for by the vehicle wheel rotational speed real-time Transmission of the vehicle to the electronic control unit, its quantity and institute
State caliper quantity it is consistent and correspond set, it is installed on the car of the vehicle corresponding with corresponding caliper
At wheel；
Preferably, the quantity of the caliper is four.
4. according to the brakes any one of claim 1-3, it is characterised in that
The motor braking portion includes：
Motor, for providing driving force, the motor forward, reverse or stop are controlled by the electronic control unit
Only；
Bolt and nut matable assembly, for being driven, it has screw rod and the nut being engaged with the screw rod, the screw rod and institute
Motor drive connection is stated, the screw rod is driven relative to the nut rotation by the motor；
First piston, the friction plate for promoting the caliper compress the brake disc of the caliper, itself and the nut pair
Connect and be engaged with the nut, the first piston is limited only to by the caliper can be along the length side of the screw rod
To movement, the first piston can fit with the friction plate of the caliper；
The hydraulic braking portion has：
Second piston, the friction plate of the caliper can be promoted to compress the brake disc of the caliper, the second piston quilt
It is limited to move only towards the friction plate, the second piston has inner chamber, the inner chamber and the master cylinder hydraulic pressure
Linkage, to cause the second piston to be promoted by the master cylinder and be fitted with the friction plate of the caliper.
5. brakes according to claim 4, it is characterised in that
The caliper has the cavity opened up towards the friction plate, and the cavity can only edge for limiting the first piston
The length direction movement of the screw rod, the first piston is placed in the cavity,
The first piston is configured to pole piece, and has cavity at its one end, and the nut is placed in the cavity, described
The other end of first piston is used to promote the friction plate, and the other end and its one end of the first piston are reversed, described
The other end of first piston offers the through hole connected with the cavity, the second piston be placed in the through hole and with it is described
Through hole coordinates,
The second piston has opposite both ends, and the inner chamber is opened in the second piston end, the second piston
The other end can fit with the friction plate, the first piston, the second piston, the nut and the screw rod phase
Mutually coordinate the closed vessel that the inner chamber is surrounded by and can carry out fluid pressure linkage.
6. the brakes according to claim 4 or 5, it is characterised in that the motor braking portion also has and the electricity
The pin plugs component of sub-control unit connection, it is used for the electronic control unit control and connects the motor, described
Pin plugs component is installed at the motor；
The motor is connected with the screw rod by planetary gear set.
7. according to the brakes any one of claim 1-6, it is characterised in that the brake disc of corresponding caliper with
The wheel of corresponding vehicle is fastenedly connected.
8. according to the brakes any one of claim 1-7, it is characterised in that the master cylinder, which has, stretches out institute
The piston rod outside master cylinder is stated, the outer end of the piston rod and the brake pedal arm of the vehicle are hinged, to cause driver
When stepping on the brake pedal, the brake pedal arm promotes the piston rod movement, the master cylinder is carried out hydraulic pressure connection
It is dynamic.
9. according to the brakes any one of claim 1-8, it is characterised in that the electronic control unit with it is described
ABS, ESC and EPB control connection of vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710434309.5A CN107380153B (en) | 2017-06-09 | 2017-06-09 | A kind of braking system for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710434309.5A CN107380153B (en) | 2017-06-09 | 2017-06-09 | A kind of braking system for vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107380153A true CN107380153A (en) | 2017-11-24 |
| CN107380153B CN107380153B (en) | 2019-05-31 |
Family
ID=60332233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710434309.5A Active CN107380153B (en) | 2017-06-09 | 2017-06-09 | A kind of braking system for vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107380153B (en) |
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|---|---|---|---|---|
| JP2002250379A (en) * | 2001-02-20 | 2002-09-06 | Aisin Seiki Co Ltd | Disc brake |
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| CN107380153B (en) | 2019-05-31 |
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