CN203844741U - High-pressure brake boosting device of electric coach - Google Patents
High-pressure brake boosting device of electric coach Download PDFInfo
- Publication number
- CN203844741U CN203844741U CN201420088131.5U CN201420088131U CN203844741U CN 203844741 U CN203844741 U CN 203844741U CN 201420088131 U CN201420088131 U CN 201420088131U CN 203844741 U CN203844741 U CN 203844741U
- Authority
- CN
- China
- Prior art keywords
- air compressor
- high pressure
- motor
- pressure
- unit
- 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
Links
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
- Braking Systems And Boosters (AREA)
Abstract
The utility model discloses a high-pressure brake boosting device of an electric coach. The high-pressure brake boosting device comprises a booster, a high-pressure air storage tank, a pressure sensor, an electric air compressor unit and a master ECU (electronic control unit). A motor driver based on a power battery, a permanent-magnet synchronous motor and a sliding-vane air compressor are integrated with one another to form the electric air compressor unit, and high-pressure air is outputted to the booster by the high-pressure air storage tank when a brake pedal is treaded, so that the electric coach can be braked under a brake boosting assisting effect. The high-pressure brake boosting device of the electric coach has the advantages that the motor driver based on the power battery, the motor and the air compressor are integrated with one another, so that the overall dimension of the integral device can be greatly reduced, consumption of power cables and connectors can be reduced, safety risks of the coach can be decreased, and spaces of the coach can be saved; a three-phase asynchronous motor is replaced by the permanent-magnet synchronous motor, so that noise in the coach can be reduced; the high-pressure brake boosting device is high in efficiency, energy can be saved, and the service life of the integral device can be greatly prolonged.
Description
Technical field
The utility model relates to a kind of automobile brake booster unit, particularly a kind of high pressure brake booster device of electrobus.
Background technology
Automobile is all furnished with brake power-assisted substantially at present, alleviates with this dynamics and reliability that people steps on brake pedal.Tradition passenger vehicle is all to adopt driving engine to provide power as propulsion source for passenger vehicle, and driving engine, by the rotation of belt band engine-driven air compressor, uses when high pressure air is compressed to high-pressure gas cylinder energy storage in order to brake power-assisted.
Power system on integral new-energy passenger has substituted fuel tank with electrokinetic cell at present, main motor and drive system substitute engine assembly, with electrokinetic cell as the brake booster device transition replacement scheme of propulsion source be, provide a motor inverter to drive threephase asynchronous machine to realize air compressor operation, and high pressure air is compressed to when brake power-assisted is prepared against in high-pressure gas cylinder energy storage and is used.Electrical efficiency in this transition replacement scheme is low, and energy-saving effect is poor; Bulky, occupy the finite space of vehicle; Electra interface link is many, has larger potential safety hazard.
Utility model content
For the weak point existing in above-mentioned technology, the utility model provides a kind of and has ensured under the prerequisite of electrobus brake and brake power-assisted safety, the high pressure brake booster device of energy-efficient and safe and reliable electrobus.
The technical solution adopted in the utility model is: a kind of high pressure brake booster device of electrobus, brake described electrobus for auxiliary brake, it is characterized in that, comprise: servo-unit, its one end is connected with brake pedal and forms connecting rod mechanism, and the other end of described servo-unit is communicated with one end of high pressure tank by pressure duct; Electric air compressor unit, it is the unit integrated by motor driving, motor and air compressor, described motor drives and is used for driving described motor, described motor to be used for controlling described air compressor rotation; High pressure tank, is provided with pressure sensor on it, described pressure sensor is for detection of the force value in described high pressure tank, and the other end of described high pressure tank is communicated with the air compressor in described electric air compressor unit by pressure duct; Master control ECU, it drives with motor in described electric air compressor unit and described pressure sensor is connected, for receiving the electric signal of the force value that described pressure sensor detects, and realizes the keying of control described electric air compressor unit according to described electric signal; Wherein, in the time stepping on described brake pedal, described high pressure tank, to described servo-unit output high pressure gas, forms the auxiliary described electrobus braking of brake power-assisted with this.
Motor in described electric air compressor unit adopts permagnetic synchronous motor.
Described air compressor adopts sliding-vane air compressor.
Described high pressure tank need preset pressure threshold value, and described pressure threshold value is adjustable.
The utility model compared with prior art, its beneficial effect is: the high pressure brake booster device of the electrobus that the utility model provides, by integrated to the electric drive based on electrokinetic cell, motor and air compressor, greatly dwindle the oad of whole device, reduce the use of power supply cable & coupling, reduce the security risk of vehicle, saved vehicle space; Employing permagnetic synchronous motor substitutes threephase asynchronous machine, has reduced noise in car, and energy-efficient, has greatly extended the service life of whole device.
Brief description of the drawings
Fig. 1 is the schematic diagram of the high pressure brake booster device of electrobus described in the utility model;
In figure: 1 brake pedal; 2 servo-units; 3 high pressure tanks; 4 pressure sensors; 5 electric air compressor unit; 6 master control ECU; 7 petrol storage tanks; 8 brake fluid lines.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail, to make those skilled in the art can implement according to this with reference to specification sheets word.
As shown in Figure 1, the utility model provides a kind of high pressure brake booster device of electrobus, brakes described electrobus for auxiliary brake, and described high pressure brake booster device comprises:
Servo-unit 2, its one end is connected with brake pedal 1 and forms connecting rod mechanism, and the other end of described servo-unit 2 is communicated with one end of high pressure tank 3 by pressure duct;
Electric air compressor unit 5, it is the unit integrated by motor driving, motor and air compressor, described motor drives and is used for driving described motor, described motor to be used for controlling described air compressor rotation;
High pressure tank 3, is provided with pressure sensor 4 on it, described pressure sensor 4 is for detection of the force value in described high pressure tank 3, and the other end of described high pressure tank 3 is communicated with the air compressor in electric air compressor unit 5 by pressure duct;
Master control ECU6, it drives with the motor in described electric air compressor unit 5 and described pressure sensor 4 is connected, for receiving the electric signal of the force value that described pressure sensor 4 detects, and realize the keying of controlling described electric air compressor unit 5 according to described electric signal.
The working process of the high pressure brake booster device of this electrobus is as follows: in the time stepping on described brake pedal 1, force value in the high pressure tank 3 that master control ECU6 detects the pressure sensor 4 receiving is processed, described high pressure tank 3 need preset pressure threshold value, described pressure threshold value is adjustable, in the time that force value is less than setting threshold values, master control ECU6 sends signal control electric air compressor unit 5 and closes, in the time that force value is greater than setting threshold values, master control ECU6 sends signal control electric air compressor unit 5 and starts, described high pressure tank 3 is exported high pressure gas to described servo-unit 2, fluid in the petrol storage tank 7 that servo-unit 2 connects is transported to wheel cylinder via brake fluid line 8, thereby form the auxiliary described electrobus braking of brake power-assisted.
The high pressure brake booster device of the electrobus that the utility model provides, by integrated to the electric drive based on electrokinetic cell, motor and air compressor, greatly dwindle the oad of whole device, reduce the use of power supply cable & coupling, reduce the security risk of vehicle, saved vehicle space; Employing permagnetic synchronous motor substitutes threephase asynchronous machine, has reduced noise in car, and energy-efficient, has greatly extended the service life of whole device.
Although embodiment of the present utility model is open as above, but it is not limited in listed utilization in specification sheets and embodiment, it can be applied to the various fields of the present utility model that are applicable to completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the utility model is not limited to specific details and illustrates here and the legend of describing.
Claims (4)
1. a high pressure brake booster device for electrobus, brakes described electrobus for auxiliary brake, it is characterized in that, comprising:
Servo-unit, its one end is connected with brake pedal and forms connecting rod mechanism, and the other end of described servo-unit is communicated with one end of high pressure tank by pressure duct;
Electric air compressor unit, it is the unit integrated by motor driving, motor and air compressor, described motor drives and is used for driving described motor, described motor to be used for controlling described air compressor rotation;
High pressure tank, is provided with pressure sensor on it, described pressure sensor is for detection of the force value in described high pressure tank, and the other end of described high pressure tank is communicated with the air compressor in described electric air compressor unit by pressure duct;
Master control ECU, it drives with motor in described electric air compressor unit and described pressure sensor is connected, for receiving the electric signal of the force value that described pressure sensor detects, and realizes the keying of control described electric air compressor unit according to described electric signal;
Wherein, in the time stepping on described brake pedal, described high pressure tank, to described servo-unit output high pressure gas, forms the auxiliary described electrobus braking of brake power-assisted with this.
2. the high pressure brake booster device of electrobus as claimed in claim 1, is characterized in that, the motor in described electric air compressor unit adopts permagnetic synchronous motor.
3. the high pressure brake booster device of electrobus as claimed in claim 1, is characterized in that, described air compressor adopts sliding-vane air compressor.
4. the high pressure brake booster device of electrobus as claimed in claim 1, is characterized in that, described high pressure tank need preset pressure threshold value, and described pressure threshold value is adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420088131.5U CN203844741U (en) | 2014-02-27 | 2014-02-27 | High-pressure brake boosting device of electric coach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420088131.5U CN203844741U (en) | 2014-02-27 | 2014-02-27 | High-pressure brake boosting device of electric coach |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203844741U true CN203844741U (en) | 2014-09-24 |
Family
ID=51557792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420088131.5U Expired - Fee Related CN203844741U (en) | 2014-02-27 | 2014-02-27 | High-pressure brake boosting device of electric coach |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203844741U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818369A (en) * | 2014-02-27 | 2014-05-28 | 南京舜唐科技有限公司 | High-pressure brake assisting control system of electric motor coach |
-
2014
- 2014-02-27 CN CN201420088131.5U patent/CN203844741U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103818369A (en) * | 2014-02-27 | 2014-05-28 | 南京舜唐科技有限公司 | High-pressure brake assisting control system of electric motor coach |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102180161A (en) | Electric auxiliary brake system of electric automobile | |
| CN203666631U (en) | Brake boosting control system for electric car | |
| CN104191955A (en) | Dual-power-source auxiliary system and dual-power-source control method of hybrid car | |
| CN104290723A (en) | Automobile electric control hydraulic braking system and energy recycling method thereof | |
| CN203844741U (en) | High-pressure brake boosting device of electric coach | |
| CN103723137A (en) | Brake assisting power control method for electric vehicle | |
| CN205651986U (en) | Electric car brake energy recovery system | |
| CN106740791B (en) | electric servo brake device of electric automobile | |
| CN102862601A (en) | Electric hydraulic power-assisted steering brake system of automobile | |
| CN103085796B (en) | Brake power-assisting source system with brake kinetic energy recovery and failure protection functions | |
| CN204623176U (en) | A kind of braking energy source regenerative apparatus of electronlmobil | |
| CN201280122Y (en) | Energy recovery apparatus of motor vehicle | |
| CN207535888U (en) | Suitable for the vacuum degree control system of hybrid power braking | |
| CN204055378U (en) | A kind of pure electric vehicle dual rotation system and pure electric vehicle | |
| CN103818369A (en) | High-pressure brake assisting control system of electric motor coach | |
| CN202147593U (en) | Main driving and auxiliary driving system of electric automobile | |
| CN204749842U (en) | Electricelectric with air force starting and braking moves city bus hybrid power system | |
| CN204572398U (en) | The two air compressor system of a kind of hybrid vehicle | |
| CN202130485U (en) | Electric hydraulic power-assisted steering brake system of automobile | |
| CN201736985U (en) | Vacuum device of automobile braking system | |
| CN204452425U (en) | A kind of force aid system for braking used for electric vehicle with two vacuum device for supplying | |
| CN204136977U (en) | A kind of brake system of electronlmobil | |
| CN204659812U (en) | The electric hydaulic force aid system of new-energy automobile | |
| CN205652124U (en) | Electric automobile electron auxiliary type brake helping hand system | |
| CN103895702A (en) | Vehicle power steering system, hybrid vehicle and control method of hybrid vehicle |
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 |
Granted publication date: 20140924 Termination date: 20210227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |