CN206968410U - A kind of brakes and electric automobile - Google Patents
A kind of brakes and electric automobile Download PDFInfo
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- CN206968410U CN206968410U CN201720818453.4U CN201720818453U CN206968410U CN 206968410 U CN206968410 U CN 206968410U CN 201720818453 U CN201720818453 U CN 201720818453U CN 206968410 U CN206968410 U CN 206968410U
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- braking
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Abstract
The utility model provides a kind of brakes and electric automobile, is related to brakes technical field of energy recovery, the brakes includes：Brake pedal；Efp；Rotary angle transmitter, it is fixed on the brake pedal；Electric boosted band brake master cylinder, is fixedly connected with the brake pedal；Braking anti-locking controller, it is connected with the electric boosted band brake master cylinder；Entire car controller, it is connected respectively with the efp and the rotary angle transmitter；Motor, it is connected with the entire car controller；The brake and wheel speed sensors being arranged on wheel, the brake and the wheel speed sensors are connected with the braking anti-locking controller respectively.Scheme of the present utility model, while braking system part quantity is reduced, the brakes reaction time is shortened, improves retardation efficiency, increases energy recovery efficiency.
Description
Technical field
The utility model belongs to the technical field of the brakes energy regenerating of electric automobile, is braked more particularly, to one kind
System and electric automobile.
Background technology
In the prior art, most of electric automobile is that brakes is also original by traditional gasoline car transformation
Adjustment improves on the basis of gasoline car, and the amount of parts of brakes is more；Realize that braking energy returns by motor braking
Receive, motor braking and hydraulic braking are parallel working methods, i.e.,：Brake fluid system is simple with motor braking system
Physics is superimposed.Such parallel way, existing defects are that deceleration is sufficiently large, but holds very much it will be evident that in the braking starting stage
Easily cause wheel lock up phenomenon；But when locking occurs for wheel, motor braking just exits energy-recuperation system, so causes to make
Dynamic Braking system efficiency is low, and energy recovery rate is low, meanwhile, when motor braking exits, total brake force is reduced suddenly, causes car
Deceleration is undergone mutation, and the ride comfort of vehicle travel process is deteriorated.
Utility model content
The purpose of this utility model is to provide a kind of brakes and electric automobile solve brakes in the prior art
Parts are more, and retardation efficiency is low, and, the problem of Brake energy recovery rate is low.
To achieve these goals, the utility model embodiment provides a kind of brakes, and the brakes includes：
Brake pedal；
Efp；
Rotary angle transmitter, it is fixed on the brake pedal；
Electric boosted band brake master cylinder, is fixedly connected with the brake pedal；
Braking anti-locking controller, it is connected with the electric boosted band brake master cylinder；
Entire car controller, controlled respectively with the efp, the rotary angle transmitter and the braking anti-lock
Device connects；
Motor, it is connected with the entire car controller；
The brake and wheel speed sensors being arranged on wheel, the brake and the wheel speed sensors respectively with it is described
Braking anti-locking controller connects.
Wherein, the brake includes brake disc and brake caliper, wherein, the brake caliper includes brake(-holder) block assembly,
The first gap is provided between the brake disc and the brake(-holder) block assembly.
Wherein, the brake caliper also includes a push rod, and calutron is provided with the push rod.
Wherein, the electric boosted band brake master cylinder is controlled by brake hard tube and electric wire with the braking anti-lock respectively
Device connects.
Wherein, the braking anti-locking controller is connected by brake hard tube with the brake, by electric wire with it is described
Wheel speed sensors connect.
Wherein, the wheel includes front left wheel, right front wheel, rear left wheel and right rear wheel, on each wheel
It is provided with a brake and the wheel speed sensors.
Wherein, the motor is connected by the first drive axle with the front left wheel, passes through the second drive axle
It is connected with the right front wheel.
Wherein, the rear left wheel is connected by rear drive shaft with the right rear wheel.
Wherein, the electric boosted band brake master cylinder is fixedly connected by bolt with the brake pedal.
Wherein, the rotary angle transmitter and the efp are connected by electric wire and the entire car controller respectively
Connect.
Wherein, the entire car controller is connected by electric wire with the motor.
The utility model embodiment also provides a kind of electric automobile, and the electric automobile includes braking system as described above
System.
Above-mentioned technical proposal of the present utility model at least has the advantages that：
The utility model realizes the accurate braking for obtaining driver by increasing rotary angle transmitter on brake pedal
Demand, the regenerative braking for follow-up hydraulic braking and motor provide foundation；By electric boosted band brake master cylinder according to target
Pressure implements braking, preferentially ensure that motor braking is operated in optimum state, farthest carries out energy regenerating, improves system
Efficiency of movement；Vacuum servo band brake master cylinder, electric vacuum pump, vacuum tube and vacuum are substituted by electric boosted band brake master cylinder
Sensor, save cost and space.
Brief description of the drawings
Fig. 1 is the schematic diagram of the brakes of the utility model embodiment.
Description of reference numerals：
1- brake pedals, 2- rotary angle transmitters, the electric boosted band brake master cylinders of 3-, 5- braking anti-locking controllers, 6- are whole
Vehicle controller, 7- efps, 10- motors, 12- front left wheels, 13- right front wheels, 14- rear left wheels, 15- are right
Rear wheel, 16A- brakes, 16B- brakes, 16C- brakes, 16D- brakes, 17A- wheel speed sensors, 17B- wheel speeds pass
Sensor, 17C- wheel speed sensors, 17D- wheel speed sensors, 18- rear drive shafts, the drive axles of 19- first, drive before 20- second
Axle, 21- brake hard tubes.
Embodiment
To make the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.
The utility model embodiment is superimposed for brake fluid system in the prior art with the simple physical of motor braking
Mode of operation, caused brake system efficiency is low, and energy recovery efficiency is low, and, the ride comfort in vehicle travel process
The problem of poor, there is provided a kind of brakes and electric automobile.
As shown in figure 1, the utility model embodiment provides a kind of brakes, the brakes includes：
Brake pedal 1；Efp 7；The rotary angle transmitter 2 being fixed on the brake pedal 1；With the braking
The electric boosted band brake master cylinder 3 that pedal 1 is fixedly connected；The braking anti-lock being connected with the electric boosted band brake master cylinder 3
Controller 5；Respectively with the efp 7, the rotary angle transmitter 2 and the braking anti-locking controller 5 connection
Entire car controller 6；The motor 10 being connected with the entire car controller 6；Be arranged on wheel, and with the braking anti-lock
The brake and wheel speed sensors that controller 5 connects.
Specifically, the rotary angle transmitter 2 is connected by electric wire with the entire car controller 6, the rotary angle transmitter 2 is used
It is follow-up hydraulic pressure system so as to the braking requirement of accurate Analysis driver in the rotational angle for gathering the brake pedal 1 in real time
Dynamic and the motor 10 regenerative braking provides foundation；The rotary angle transmitter 2 is additionally operable to change the rotational angle
For the first electric signal, and by first electric signal output to the entire car controller 6.
Specifically, the efp 7 is connected by electric wire with the entire car controller 6, the E-Gas is stepped on
The rotational angle of its own is converted to the second electric signal by plate 7, and by second electric signal output to the entire car controller
6。
Further, the entire car controller 6 is connected by electric wire with the motor 10, the entire car controller 6
According to first electric signal of reception, the accurate braking moment and braking deceleration for calculating driver's current demand；And will
Result of calculation is exported to the motor 10 by electric wire, controls the motor 10 to export negative torque, vehicle is being made
Being converted to electric energy and storing during dynamic, so as to carry out Brake energy recovery.So as to avoid at braking initial stage, due to deceleration
It is excessive, cause wheel that locking phenomenon occurs, the motor 10 is exited energy-recuperation system, and energy can not be carried out and returned
Receive.
Specifically, the wheel includes front left wheel 12, right front wheel 13, rear left wheel 14 and right rear wheel 15；It is each
A brake and the wheel speed sensors are provided with the wheel.Wherein, pacify in the front left wheel 12
Equipped with brake 16A and wheel speed sensors 17A, brake 16B and wheel speed sensors 17B are installed in the right front wheel 13,
Brake 16C and wheel speed sensors 17C are installed on the rear left wheel 14, brake is installed in the right rear wheel 15
16D and wheel speed sensors 17D.
Wherein, the brake includes brake disc and brake caliper, and the brake caliper includes brake(-holder) block assembly, the system
The first gap is provided between Moving plate and the brake(-holder) block assembly, first gap makes the brake caliper and the brake disc
Between without Relative friction so that the brake caliper does not drag torque during electric automobile during traveling, eventually reduce
Energy loss during the driving of electric automobile.
Specifically, the brake caliper also includes a push rod, calutron, the calutron are provided with the push rod
For an electromagnetic rotor, by the electromagnetic rotor, realize and moved after pulling wheelcylinder piston, so that being connected with the wheelcylinder piston
Brake(-holder) block after move, finally make to form the first gap between the brake disc and brake(-holder) block, realize in vehicle traveling process
The stagnant torque of zero support, reduce the frictional resistance in wheel rotary course, reduce the loss of electric energy in vehicle traveling process, increase
The big course continuation mileage of battery.
First gap increases the stroke of the braking procedure of electric automobile, therefore, in the brake pedal 1 and described
When the aperture of efp 2 is zero, it is pressurized in advance, first gap is reduced, so as to shorten the sky of brake pedal
Stroke.
Specifically, opening when the brake pedal 1 corresponding to first electric signal that the entire car controller 6 receives
Degree is zero, and, when the aperture of the efp 7 corresponding to second electric signal is zero, the full-vehicle control
Device 6 is by the signal output that the current brake pedal 1 of automobile and the efp 7 are not trampled to electric boosted
Band brake master cylinder 3.
The electric boosted band brake master cylinder 3 passes through brake hard tube 21 and electric wire and the braking anti-locking controller respectively
5 connection, the braking anti-locking controller 5 by brake hard tube 21 respectively with the brake 16A being arranged in front left wheel 12,
The brake 16B being arranged in right front wheel, the brake 16C of rear left wheel is arranged at, and, it is provided with the system of right rear wheel
Dynamic device 16D connections.When the electric boosted band brake master cylinder 3, to receive the brake pedal 1 and the efp 7 equal
During the signal do not trampled, the electric boosted band brake master cylinder 3 is pressurized in advance, so as to shorten the sky of the brake pedal 1
Stroke, shorten the brakes reaction time, shorten braking distance.
Wherein, the pre- pressurization of the electric boosted band brake master cylinder 3 is：The electric boosted band brake master cylinder 3
According to hydraulic pressure value during the pre- supercharging determined beforehand through experiment, it is anti-to the braking that brake fluid is exported by the brake hard tube 21
Locking controller 5, the braking anti-locking controller 5 are allocated to the brake fluid, and are distinguished by brake hard tube 21 defeated
Go out into brake 16A, brake 16B, brake 16C and brake 16D, the current pressure of brakes is reached precompression
A Mpa, wherein, A is a constant, a certain numerical value between generally 0.3-0.5, the numerical value for pre- supercharging when hydraulic pressure value.
Vacuum servo band brake master cylinder of the prior art, Motorized vacuum are replaced by the electric boosted band brake master cylinder 3
The components such as pump, vacuum tube and vacuum sensor, the modular construction of brakes is optimized, reduces cost, increases cabin
Space.
The electric boosted band brake master cylinder 3 and the brake collective effect being arranged on each wheel, realize electronic vapour
The energy loss for zero dragging power, reducing during driving of car in the process of moving；By being pressurized in advance, brakes is shortened
Reaction time and braking distance, improve driver and crew driving impression.
It should be noted that by the monitoring of the signal to the efp 7, when the efp 7
When faulty, the pre- function of increasing pressure of the electric boosted band brake master cylinder 3 can also be triggered, so as to improve the peace of vehicle drive
Quan Xing.Wherein, the motor 10 is connected by the first drive axle 19 with the front left wheel 12, by driving before second
Axle 20 is connected with the right front wheel 13.The motor 10 is received the entire car controller 6 and exported by the electric wire
Automatically controlled signal after, the motor 10 drives the front left wheel 12 by first drive axle 19, by described
Second drive axle 20 drives the right front wheel.
The rear left wheel 14 and the right rear wheel 15 are connected by rear drive shaft 18, the rear left wheel 14 and described
Right rear wheel 15 obtains driving force by the rear drive shaft 18 and rotated.
Specifically, the brake pedal 1 is fixedly connected by bolt with the electric boosted band brake master cylinder 3, work as driving
After member tramples the brake pedal 1, the piston of the electric boosted band brake master cylinder 3 is promoted, brake fluid is passed through the braking
Hard tube 21 flows to the brake for being arranged on each wheel, so as to realize the braking of vehicle.In braking procedure, the wheel speed sensors
17A detects the velocity of rotation of the front left wheel 12 in real time, and the wheel speed sensors 17B detects the right front wheel 13 in real time
Velocity of rotation, the wheel speed sensors 17C detect the velocity of rotation of the rear left wheel 14, the wheel speed sensors 17D in real time
The velocity of rotation of the right rear wheel 15 is detected in real time, and is exported respectively by electric wire to the braking anti-locking controller 5, institute
Velocity of rotation of the braking anti-locking controller 5 according to the wheel received is stated, judges whether wheel can occur locking phenomenon, works as institute
When locking phenomenon will be occurred by stating wheel, the braking anti-locking controller 5 exports depression signal to described electronic by electric wire
Boosting belt master cylinder 3, so as to avoid wheel from locking phenomenon occur, the motor 10 is caused to exit the mistake of energy regenerating
Journey, finally improve the ride comfort in the efficiency and vehicle travel process of Brake energy recovery；Conversely, the braking anti-lock control
Device 5 processed is exported by the electric wire keeps the signal of current pressure or increase current pressure to the electric boosted band brake master cylinder
3。
Wherein, after the braking anti-locking controller 5 detects that anti-lock phenomenon occurs in the wheel, the braking is anti-
Locking controller 5 exports activation signal to the entire car controller 6 by electric wire, and the drive is controlled by the entire car controller 6
Dynamic motor 10 exits the process of Brake energy recovery.
Further, the brakes also includes：Electronic parking controller, the electronic parking controller and the system
Dynamic device 16C brake caliper is connected with the brake caliper of the brake 16D by electric wire, wherein, the electronic parking control
Device is connected with the braking anti-locking controller 5, the entire car controller 6 respectively by electric wire.
Specifically, after driver presses parking button, the electronic parking controller according to the parking button signal,
The motor of control brake caliper is output control signals to, controls the motor to work, promotes the push rod of the brake caliper to rotate
And move forward, so as to shorten the distance between brake disc and brake block, realize parking.
It should be noted that in above-described embodiment, the electric boosted band brake master cylinder 3, the braking anti-lock control
Device 5, the entire car controller 6 and the electronic parking controller are arranged in same CAN network, between each part, Ke Yitong
Cross CAN network interactive information, the electric wire that the electric boosted band brake master cylinder 3 is connected with the braking anti-locking controller 5, institute
State the electric wire that braking anti-locking controller 5 is connected with the entire car controller 6, and, the electronic parking controller with it is described
Braking anti-locking controller 5 and the entire car controller 6 are CAN with the electric wire being connected.Wherein, the electronic parking control
Device processed can carry out information exchange by the CAN and other controllers, and by diagnostic equipment system is carried out self diagnosis,
The reading of data flow and some function settings of system.
Above-described embodiment of the present utility model, by setting rotary angle transmitter 2 on the brake pedal 1, realize essence
The really braking requirement of parsing driver；Avoid in moderating process, deceleration is excessive, causes due to wheel lock up, makes the driving
Motor 10 exits energy-recuperation system and can not carry out energy regenerating.By the way that vacuum booster band brake master cylinder, vacuum are sensed
The components such as device, vacuum tube and electric vacuum pump replace with the electric boosted band brake master cylinder 3, save cost and space；Institute
State electric boosted band brake master cylinder 3 to implement to brake according to goal pressure, preferentially ensure that motor braking is operated in optimal shape
State, farthest carry out energy regenerating；By increasing calutron on the push rod, the energy damage of driving process is reduced
Consumption；By when the aperture of the efp 7 is zero, the pre- function of increasing pressure of the electric boosted band brake master cylinder 3, contracting
The short idle stroke of brake pedal, shortens the reaction time of brakes, shortens braking distance, improve driver and crew's system
The impression of dynamic pedal.
It should be noted that in the utility model embodiment, being arranged on brake caliper in the brake of each wheel can be with
It is zero brake caliper for dragging torque, so as to realize the energy loss farthest reduced in driving conditions；Can also be,
The brake 16A and brake 16B is brake of the prior art, the brake 16C and the brake 16D
Brake caliper be zero brake caliper for dragging torque, so as to realize while energy loss is reduced, reduce production cost.
Embodiment of the present utility model also provides a kind of electric automobile, wherein, the electric automobile includes as described above
Brakes.
Accordingly because the brakes of the utility model embodiment is applied to electric automobile, therefore, the utility model is real
Apply example and additionally provide a kind of electric automobile, wherein, realize embodiment suitable for the electric automobile described in above-mentioned brakes
In embodiment, it can also reach identical technique effect.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (12)
- A kind of 1. brakes, it is characterised in that including：Brake pedal (1)；Efp (7)；Rotary angle transmitter (2), it is fixed on the brake pedal (1)；Electric boosted band brake master cylinder (3), is fixedly connected with the brake pedal (1)；Braking anti-locking controller (5), it is connected with the electric boosted band brake master cylinder (3)；Entire car controller (6), respectively with the efp (7), the rotary angle transmitter (2) and the braking anti-lock Controller (5) connects；Motor (10), it is connected with the entire car controller (6)；The brake and wheel speed sensors being arranged on wheel, the brake and the wheel speed sensors respectively with the braking Anti-lock braking controller (5) connects.
- 2. brakes according to claim 1, it is characterised in that the brake includes brake disc and brake caliper, Wherein, the brake caliper includes brake(-holder) block assembly, and the first gap is provided between the brake disc and the brake(-holder) block assembly.
- 3. brakes according to claim 2, it is characterised in that the brake caliper also includes a push rod, described to push away Calutron is provided with bar.
- 4. brakes according to claim 1, it is characterised in that the electric boosted band brake master cylinder (3) is led to respectively Brake hard tube (21) and electric wire is crossed to be connected with the braking anti-locking controller (5).
- 5. brakes according to claim 1, it is characterised in that the braking anti-locking controller (5) passes through braking Hard tube (21) is connected with the brake, is connected by electric wire with the wheel speed sensors.
- 6. brakes according to claim 1, it is characterised in that the wheel includes front left wheel (12), right front truck (13), rear left wheel (14) and right rear wheel (15) are taken turns, a brake and one are provided with each wheel The wheel speed sensors.
- 7. brakes according to claim 6, it is characterised in that the motor (10) passes through the first drive axle (19) it is connected with the front left wheel (12), is connected by the second drive axle (20) with the right front wheel (13).
- 8. brakes according to claim 6, it is characterised in that the rear left wheel (14) passes through rear drive shaft (18) It is connected with the right rear wheel (15).
- 9. brakes according to claim 1, it is characterised in that the electric boosted band brake master cylinder (3) passes through bolt It is fixedly connected with the brake pedal (1).
- 10. brakes according to claim 1, it is characterised in that the rotary angle transmitter (2) and the E-Gas Pedal (7) is connected by electric wire with the entire car controller (6) respectively.
- 11. brakes according to claim 1, it is characterised in that the entire car controller (6) by electric wire with it is described Motor (10) connects.
- 12. a kind of electric automobile, it is characterised in that including the brakes as described in claim any one of 1-11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720818453.4U CN206968410U (en) | 2017-07-07 | 2017-07-07 | A kind of brakes and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720818453.4U CN206968410U (en) | 2017-07-07 | 2017-07-07 | A kind of brakes and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206968410U true CN206968410U (en) | 2018-02-06 |
Family
ID=61406717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720818453.4U Active CN206968410U (en) | 2017-07-07 | 2017-07-07 | A kind of brakes and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206968410U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641435A (en) * | 2018-06-26 | 2020-01-03 | 长城汽车股份有限公司 | Vehicle braking method and device |
| CN111038465A (en) * | 2019-12-26 | 2020-04-21 | 湘潭大学 | Integrated brake-by-wire system for vehicle and control method |
| CN111907500A (en) * | 2020-08-07 | 2020-11-10 | 格陆博科技有限公司 | Novel electro-hydraulic combined braking system and braking method thereof |
| CN112026728A (en) * | 2020-07-24 | 2020-12-04 | 广东玛西尔电动科技有限公司 | Braking system and method for unmanned electric vehicle |
| CN112622848A (en) * | 2020-12-24 | 2021-04-09 | 奇瑞汽车股份有限公司 | Brake-by-wire system and car |
-
2017
- 2017-07-07 CN CN201720818453.4U patent/CN206968410U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110641435A (en) * | 2018-06-26 | 2020-01-03 | 长城汽车股份有限公司 | Vehicle braking method and device |
| CN111038465A (en) * | 2019-12-26 | 2020-04-21 | 湘潭大学 | Integrated brake-by-wire system for vehicle and control method |
| CN111038465B (en) * | 2019-12-26 | 2021-03-23 | 湘潭大学 | Integrated brake-by-wire system for vehicle and control method |
| CN112026728A (en) * | 2020-07-24 | 2020-12-04 | 广东玛西尔电动科技有限公司 | Braking system and method for unmanned electric vehicle |
| CN111907500A (en) * | 2020-08-07 | 2020-11-10 | 格陆博科技有限公司 | Novel electro-hydraulic combined braking system and braking method thereof |
| CN112622848A (en) * | 2020-12-24 | 2021-04-09 | 奇瑞汽车股份有限公司 | Brake-by-wire system and car |
| CN112622848B (en) * | 2020-12-24 | 2022-02-01 | 奇瑞汽车股份有限公司 | Brake-by-wire system and car |
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