CN202743233U - Braking system for electric vehicle - Google Patents

Braking system for electric vehicle Download PDF

Info

Publication number
CN202743233U
CN202743233U CN 201220296053 CN201220296053U CN202743233U CN 202743233 U CN202743233 U CN 202743233U CN 201220296053 CN201220296053 CN 201220296053 CN 201220296053 U CN201220296053 U CN 201220296053U CN 202743233 U CN202743233 U CN 202743233U
Authority
CN
China
Prior art keywords
braking motor
front wheel
brake pedal
braking
links
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.)
Expired - Fee Related
Application number
CN 201220296053
Other languages
Chinese (zh)
Inventor
龙春亮
马芳武
汤小生
赵福全
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.)
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd Hangzhou Branch
Original Assignee
Zhejiang Geely Holding Group Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd
Zhejiang Geely Automobile Research Institute Co Ltd Hangzhou Branch
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 Zhejiang Geely Holding Group Co Ltd, Zhejiang Geely Automobile Research Institute Co Ltd, Zhejiang Geely Automobile Research Institute Co Ltd Hangzhou Branch filed Critical Zhejiang Geely Holding Group Co Ltd
Priority to CN 201220296053 priority Critical patent/CN202743233U/en
Application granted granted Critical
Publication of CN202743233U publication Critical patent/CN202743233U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Regulating Braking Force (AREA)

Abstract

The utility model discloses a braking system for an electric vehicle. The braking system comprises a central processing unit, a braking pedal detection device, a braking motor, a transmission mechanism and a vehicle brake, wherein the central processing unit is respectively connected with the braking pedal detection device and the braking motor, the transmission mechanism is respectively connected with the braking motor and the vehicle brake, and the braking pedal detection device is connected with the vehicle braking pedal. According to the braking system, braking force is generated by the braking motor, thus the vehicle brake is controlled to brake the electric vehicle, a vacuum booster and spare parts of a hydraulic system are removed, the layout of an overall vehicle is facilitated, and the quality of the overall vehicle is decreased.

Description

A kind of braking system of electric car
Technical field
The utility model relates to the automobile brake control field, relates in particular to a kind of braking system of electric car.
Background technology
Conventional engines automobile brake power-assisted is generally utilized the poor realization power-assisted of engine air inlet tube vacuum mineralization pressure.In electronlmobil, the vacuum source that provides because lacking driving engine, and adopt independent electric vacuum pump that vacuum source is provided.But the Motorized vacuum pump volume is large, takies the arrangement space, and has increased the quality of car load.
China Patent Publication No. CN201457356U, open day on 05 12nd, 2010, the name of utility model is called vacuum booster braking system for electric vehicles, this application case discloses a kind of vacuum booster braking system for electric vehicles, it comprises the master brake cylinder of being located on the brake system and the brake pedal of controlling master brake cylinder, be provided with vacuum booster between master brake cylinder and the brake pedal, vacuum booster comprises vacuum end and normal pressure end, the vacuum end of described vacuum booster links to each other with vacuum booster pump, simultaneously, the vacuum end of vacuum booster also is connected with pressure sensor, described pressure sensor is connected with vacuum booster pump by the Control plate, pressure sensor obtains the pressure signal transmission of vacuum booster to the Control plate, and the Control buttress is closed respectively and opened vacuum booster pump according to predefined minimal pressure value and top pressure value the vacuum end of vacuum booster is vacuumized.Its weak point is that the vacuum booster volume is large, takies the arrangement space, and has increased the quality of car load.
The utility model content
The purpose of this utility model is to overcome original braking system of electric car to adopt vacuum booster to produce braking force, the vacuum booster volume is large, take the arrangement space, and increased the technical matters of the quality of car load, and a kind of braking system of electric car is provided, it produces braking force by braking motor, control car brake braking electronlmobil, cancel vacuum booster and hydraulic efficiency pressure system parts, be conducive to vehicle complete vehicle and arrange, reduced complete vehicle quality.
In order to address the above problem, the utility model is achieved by the following technical solutions:
A kind of braking system of electric car of the present utility model, comprise central processing unit, brake pedal detecting device, braking motor, transmission device and car brake, described central processing unit links to each other with braking motor with the brake pedal detecting device respectively, described transmission device links to each other with car brake with braking motor respectively, and described brake pedal detecting device links to each other with automobile brake pedal.
In the technical program, the brake pedal detecting device on the automobile detects the location status of automobile brake pedal.When chaufeur was stepped on automobile brake pedal, the brake pedal detecting device sent to central processing unit with the brake pedal position data that detect.Central processing unit is processed the brake pedal position data that receive, and sends corresponding control signal to braking motor according to the residing position of brake pedal.Braking motor is started working, by transmission device driving automobile drg braking electronlmobil.
As preferably, described brake pedal detecting device comprises torque sensor, and described torque sensor links to each other with automobile brake pedal with central processing unit respectively.Torque sensor detects the moment data of automobile brake pedal, and sends it to central processing unit, and central processing unit is according to the moment information control braking motor work of brake pedal.
As preferably, described brake pedal detecting device comprises position transduser, and described position transduser links to each other with automobile brake pedal with central processing unit respectively.Position transduser detects the location information of automobile brake pedal, and sends it to central processing unit.
As preferably, described braking motor adopts servomotor.The servomotor response is fast, and control is simple, and rotation is level and smooth, and moment is stable.
As preferably, described braking motor comprises the near front wheel braking motor, the off front wheel braking motor, left rear wheel braking motor and off hind wheel braking motor, described transmission device is four, described car brake comprises the near front wheel drg, the off front wheel drg, left rear wheel drg and off hind wheel drg, described central processing unit respectively with the near front wheel braking motor, the off front wheel braking motor, the left rear wheel braking motor links to each other with the off hind wheel braking motor, described the near front wheel braking motor links to each other with the near front wheel drg by transmission device, described off front wheel braking motor links to each other with the off front wheel drg by transmission device, described left rear wheel braking motor links to each other with the left rear wheel drg by transmission device, and described off hind wheel braking motor links to each other with the off hind wheel drg by transmission device.Central processing unit is carried out independent control to the braking of four tires of automobile, improves stability and the safety of Vehicle Driving Cycle.
The beneficial effects of the utility model are: (1) produces braking force by braking motor, and control car brake braking electronlmobil has been cancelled vacuum booster and hydraulic efficiency pressure system parts, is conducive to vehicle complete vehicle and arranges, has reduced complete vehicle quality.(2) independent control is carried out in the braking of four tires of automobile, improved stability and the safety of Vehicle Driving Cycle.
Description of drawings
Fig. 1 is that a kind of structure of the present utility model connects block diagram.
Among the figure: 1, central processing unit, 2, brake pedal detecting device, 3, transmission device, 4, automobile brake pedal, 5, the near front wheel braking motor, 6, off front wheel braking motor, 7, the left rear wheel braking motor, 8, the off hind wheel braking motor, 9, the near front wheel drg, 10, off front wheel drg, 11, the left rear wheel drg, 12, the off hind wheel drg.
The specific embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment: a kind of braking system of electric car of the present embodiment, as shown in Figure 1, comprise central processing unit 1, brake pedal detecting device 2, braking motor, transmission device 3 and car brake, braking motor comprises the near front wheel braking motor 5, off front wheel braking motor 6, left rear wheel braking motor 7 and off hind wheel braking motor 8, transmission device 3 is four, car brake comprises the near front wheel drg 9, off front wheel drg 10, left rear wheel drg 11 and off hind wheel drg 12, central processing unit 1 respectively with brake pedal detecting device 2, the near front wheel braking motor 5, off front wheel braking motor 6, left rear wheel braking motor 7 links to each other with off hind wheel braking motor 8, the near front wheel braking motor 5 links to each other with the near front wheel drg 9 by transmission device 3, off front wheel braking motor 6 links to each other with off front wheel drg 10 by transmission device 3, left rear wheel braking motor 7 links to each other with left rear wheel drg 11 by transmission device 3, off hind wheel braking motor 8 links to each other with off hind wheel drg 12 by transmission device 3, and brake pedal detecting device 2 links to each other with automobile brake pedal 4.
Brake pedal detecting device 2 adopts the position transduser that detects automobile brake pedal 4 location statuss, and the near front wheel braking motor 5, off front wheel braking motor 6, left rear wheel braking motor 7 and off hind wheel braking motor 8 all adopt servomotor.
When chaufeur was stepped on automobile brake pedal 4, position transduser sent to central processing unit 1 with automobile brake pedal 4 location informations that detect.The 1 pair of automobile brake pedal that receives 4 position data of central processing unit are processed, and send respectively corresponding control signal to the near front wheel braking motor 5, off front wheel braking motor 6, left rear wheel braking motor 7 and off hind wheel braking motor 8 according to automobile brake pedal 4 current residing positions.The near front wheel braking motor 5, off front wheel braking motor 6, left rear wheel braking motor 7 and off hind wheel braking motor 8 are started working, drive corresponding the near front wheel drg 9, off front wheel drg 10, left rear wheel drg 11 and 12 work of off hind wheel drg, four tires of braking vehicle by transmission device 3 respectively.
Brake pedal detecting device 2 can also adopt torque sensor.When chaufeur is stepped on automobile brake pedal 4, torque sensor sends to central processing unit 1 with the moment data of the automobile brake pedal that detects, and central processing unit 1 sends respectively corresponding control signal to the near front wheel braking motor 5, off front wheel braking motor 6, left rear wheel braking motor 7 and off hind wheel braking motor 8 according to the moment information of the brake pedal that receives.The near front wheel braking motor 5, off front wheel braking motor 6, left rear wheel braking motor 7 and off hind wheel braking motor 8 are started working, drive corresponding the near front wheel drg 9, off front wheel drg 10, left rear wheel drg 11 and 12 work of off hind wheel drg, four tires of braking vehicle by transmission device 3 respectively.
The utility model produces braking force by braking motor, and control car brake braking electronlmobil has been cancelled vacuum booster and hydraulic efficiency pressure system parts, is conducive to vehicle complete vehicle and arranges, has reduced complete vehicle quality.Simultaneously, independent control is carried out in the braking of four tires of automobile, improved stability and the safety of Vehicle Driving Cycle.

Claims (5)

1. braking system of electric car, it is characterized in that: comprise central processing unit (1), brake pedal detecting device (2), braking motor, transmission device (3) and car brake, described central processing unit (1) links to each other with braking motor with brake pedal detecting device (2) respectively, described transmission device (3) links to each other with car brake with braking motor respectively, and described brake pedal detecting device (2) links to each other with automobile brake pedal (4).
2. a kind of braking system of electric car according to claim 1, it is characterized in that: described brake pedal detecting device (2) comprises torque sensor, described torque sensor links to each other with automobile brake pedal (4) with central processing unit (1) respectively.
3. a kind of braking system of electric car according to claim 1, it is characterized in that: described brake pedal detecting device (2) comprises position transduser, described position transduser links to each other with automobile brake pedal (4) with central processing unit (1) respectively.
4. it is characterized in that according to claim 1 and 2 or 3 described a kind of braking system of electric car: described braking motor adopts servomotor.
5. according to claim 1 and 2 or 3 described a kind of braking system of electric car, it is characterized in that: described braking motor comprises the near front wheel braking motor (5), off front wheel braking motor (6), left rear wheel braking motor (7) and off hind wheel braking motor (8), described transmission device (3) is four, described car brake comprises the near front wheel drg (9), off front wheel drg (10), left rear wheel drg (11) and off hind wheel drg (12), described central processing unit (1) respectively with the near front wheel braking motor (5), off front wheel braking motor (6), left rear wheel braking motor (7) links to each other with off hind wheel braking motor (8), described the near front wheel braking motor (5) links to each other with the near front wheel drg (9) by transmission device (3), described off front wheel braking motor (6) links to each other with off front wheel drg (10) by transmission device (3), described left rear wheel braking motor (8) links to each other with left rear wheel drg (11) by transmission device (3), and described off hind wheel braking motor (8) links to each other with off hind wheel drg (12) by transmission device (3).
CN 201220296053 2012-06-20 2012-06-20 Braking system for electric vehicle Expired - Fee Related CN202743233U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220296053 CN202743233U (en) 2012-06-20 2012-06-20 Braking system for electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220296053 CN202743233U (en) 2012-06-20 2012-06-20 Braking system for electric vehicle

Publications (1)

Publication Number Publication Date
CN202743233U true CN202743233U (en) 2013-02-20

Family

ID=47702671

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220296053 Expired - Fee Related CN202743233U (en) 2012-06-20 2012-06-20 Braking system for electric vehicle

Country Status (1)

Country Link
CN (1) CN202743233U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105083254A (en) * 2015-08-28 2015-11-25 云南航天神州汽车有限公司 Braking method for electric car

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105083254A (en) * 2015-08-28 2015-11-25 云南航天神州汽车有限公司 Braking method for electric car
CN105083254B (en) * 2015-08-28 2018-09-21 云南航天神州汽车有限公司 A kind of electric vehicle brake method

Similar Documents

Publication Publication Date Title
CN102795219B (en) Motor-assisted integrated automobile brake system
CN104943672A (en) Hydraulic brake system and method with double hydraulic cylinder four-wheel failure backup
CN106904079A (en) A kind of regenerating brake control method of pure electric automobile
CN105667484A (en) Wire control brake system driven by two fully decoupled motors
CN206968410U (en) Braking system and electric automobile
CN111016868A (en) Brake control system and method for port automatic driving hub
CN105015528A (en) Hydraulic braking force adjusting device for electric-driven vehicle
CN203666631U (en) Brake boosting control system for electric car
CN102039885A (en) Brake system of electric automobile
CN204870978U (en) Hydraulic braking system with two pneumatic cylinder four -wheels lost efficacy sparely
CN205769905U (en) A kind of start and stop brakes of trailing type Segway Human Transporter
CN202743233U (en) Braking system for electric vehicle
CN104129382A (en) Vacuum booster capable of simulating pedal travel
CN109159776A (en) A kind of vehicle wheel cylinder hydraulic force control system and method based on dual power source
CN113104014A (en) Vehicle full-decoupling electro-hydraulic servo brake device and brake method thereof
CN205971271U (en) Serial braking system based on electronic master cylinder and EPB collaborative work
CN204936787U (en) A kind of rear-guard electro-tricycle
CN208248289U (en) A kind of new-energy automobile signal detecting system
CN203063702U (en) Energy recovery safety system of electromobiles
CN214728753U (en) Vehicle full-decoupling electro-hydraulic servo brake device
CN108674483B (en) Control method of electro-hydraulic power-assisted steering braking system
CN104742889B (en) Bicycle anti-lock braking system
CN104192106A (en) Power-assisted brake pedal structure
CN202368556U (en) Rear axle brake system of vehicle
CN202130485U (en) Electric hydraulic power-assisted steering brake system of automobile

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130220

Termination date: 20200620