CN202243432U - Electric auxiliary braking system of electric automobile - Google Patents
Electric auxiliary braking system of electric automobile Download PDFInfo
- Publication number
- CN202243432U CN202243432U CN2011201244984U CN201120124498U CN202243432U CN 202243432 U CN202243432 U CN 202243432U CN 2011201244984 U CN2011201244984 U CN 2011201244984U CN 201120124498 U CN201120124498 U CN 201120124498U CN 202243432 U CN202243432 U CN 202243432U
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- vacuum
- booster
- braking system
- auxiliary braking
- reservoir
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Abstract
The utility model discloses an electric auxiliary braking system of an electric automobile, which can provide sufficient brake force for the electric automobile and improve the braking performance of the electric automobile, so as to improve the safety performance of the electric automobile and overcome the defects in the prior art. The electric auxiliary braking system comprises a brake master cylinder, a brake pedal, a vacuum booster, a vacuum pump and a vacuum servo controller; the vacuum booster is respectively connected with the brake pedal and the brake master cylinder; a vacuum container is arranged between the vacuum booster and the vacuum pump; the vacuum booster and the vacuum container are connected through a vacuum pipeline; the vacuum container and the vacuum pump are connected through another vacuum pipeline; a vacuum one-way valve is arranged on the vacuum pipeline which connects the vacuum booster with the vacuum container; a vacuum pressure detection device is arranged on the vacuum container; and the vacuum pressure detection device and the vacuum pump are connected with the vacuum servo controller respectively.
Description
Technical field
The utility model relates to electronlmobil braking technology field, the electronic auxiliary braking system of particularly a kind of electronlmobil.
Background technology
Servo-unit is the relevant apparatus of vehicle by pressurized air, high pressure wet goods operating and controlling vehicle, uses light purpose to reach, and in brake system of car, is used to alleviate the working strength of chaufeur.Servo-unit is installed between brake pedal and the master brake cylinder; Servo-unit is divided into vacuum booster and hydraulic booster; The negative pressure that vacuum booster produces when being the dependence engine charge is as propulsion source; The front/back cavity draught head of vacuum booster is increased, thereby the power that makes the force rate chaufeur that affacts on the master brake cylinder step brake pedal greatly increase, and reaches vacuum-assisted purpose.Because the negative pressure that driving engine provides is lower, the vacuum booster vacuum power is not enough, causes the power that is loaded on the master brake cylinder not enough, causes braking force not enough, and the stopping distance of automobile is long like this, is prone to have an accident, and vehicle safety performance is not enough.
Summary of the invention
The purpose of the utility model is to provide a kind of electronic auxiliary braking system of electronlmobil that is used for electronlmobil; It can provide sufficient braking force for electronlmobil; Improved the deceleration and stopping performance of electronlmobil; Thereby improved the safety performance of electronlmobil, overcome the defective that prior art exists.
The utility model solves the technical scheme that its technical matters adopted: the electronic auxiliary braking system of a kind of electronlmobil; Comprise master brake cylinder, brake pedal, vacuum booster, vacuum pump and vacuum servo controller; Vacuum booster is connected with master brake cylinder with brake pedal respectively; Be provided with vacuum reservoir between described vacuum booster and the vacuum pump; Vacuum booster is connected through vacuum line with vacuum reservoir, and vacuum reservoir is connected through vacuum line with vacuum pump, and the vacuum line that connects vacuum booster and vacuum reservoir is provided with vacuum check valve; Vacuum reservoir is provided with the vacuum-pressure detection device, and the vacuum-pressure detection device is connected with the vacuum servo controller respectively with vacuum pump.Vacuum pump can be controlled the size of degree of vacuum in the vacuum reservoir; Vacuum reservoir provides vacuum source through vacuum line to vacuum booster, and the vacuum-pressure detection device can detect the degree of vacuum of vacuum reservoir, when the vacuum pressure force checking device detects the vacuum degree deficiency of vacuum reservoir; Vacuum servo controller open vacuum pump; Thereby for vacuum booster provides enough degree of vacuum, when the degree of vacuum of vacuum reservoir was enough, the vacuum servo controller cut out the operation of vacuum pump; Energy-conservation like this, and can prolong service life of vacuum pump.
As preferably, be provided with barrier film in the described vacuum booster, barrier film is divided into ante-chamber and back cavity two parts with vacuum booster, and back cavity is provided with control cock, and said ante-chamber is communicated with vacuum reservoir, and said back cavity is connected with brake pedal through control cock.
As preferably, described master brake cylinder is connected with the trailing wheel brake cylinder with the front wheel brake oil cylinder of electronlmobil respectively through transfer line, and the transfer line of connection master brake cylinder and trailing wheel brake cylinder is provided with apportioning valve.
As preferably, described vacuum-pressure detection device is a pressure switch.
As preferably, described vacuum-pressure detection device is a pressure sensor.
As preferably, described vacuum servo controller is master control ECU.
The beneficial effect of the utility model is: simple in structure, flexible operation, and the vacuum servo controller can effectively be controlled the degree of vacuum of vacuum reservoir through the vacuum-pressure detection device, and the action of vacuum pump is accurate, and good braking effect has improved the safety performance of electronlmobil.
Description of drawings
Fig. 1 is a kind of agent structure scheme drawing of the utility model.
Among the figure: 1, master brake cylinder, 2, brake pedal, 3, vacuum booster, 4, vacuum pump; 5, vacuum reservoir, 6, the vacuum servo controller, 7, the vacuum-pressure detection device; 8, control cock, 9, apportioning valve, 10, fluid reservoir; 11, front wheel brake oil cylinder, 12, the trailing wheel brake cylinder, 13, vacuum check valve.
The specific embodiment
Below through specific embodiment, and combine accompanying drawing, the technical scheme of the utility model is further specified.
Embodiment 1:
A kind of electronlmobil vacuum servo complemental brake system as shown in Figure 1 comprises 1, brake pedal 2, vacuum booster 3, vacuum pump 4, vacuum reservoir 5 and vacuum servo controller 6, and vacuum booster 3 front ends and 1 are tightly connected; Vacuum booster 3 rear ends are connected with brake pedal 2, and 1 is provided with fluid reservoir 10,1 is connected with trailing wheel brake cylinder 12 with the front wheel brake oil cylinder 11 of electronlmobil respectively through transfer line; Connection 1 is provided with apportioning valve 9 with the transfer line of trailing wheel brake cylinder; Vacuum reservoir 5 is equipped with vacuum-pressure detection device 7 on the vacuum reservoir 5 between vacuum booster 3 and vacuum pump 4, vacuum-pressure detection device 7 is a pressure switch; Vacuum reservoir 5 and vacuum pump 4 are connected through vacuum line; Be provided with barrier film in the vacuum booster 3, barrier film is divided into ante-chamber and back cavity two parts with vacuum booster 3, and back cavity is provided with control cock 8; Said back cavity is connected with brake pedal 2 through control cock 8; Said ante-chamber is communicated with vacuum reservoir 5 through vacuum line, and the vacuum line that connects vacuum booster 3 ante-chambers and vacuum reservoir 5 is provided with vacuum check valve 13, and vacuum-pressure detection device 7 is connected with vacuum servo controller 6 respectively with vacuum pump 4.
Embodiment 2:
The vacuum-pressure detection device 7 of present embodiment is a pressure sensor, and all the other structures are with embodiment 1.
Above-described embodiment is a kind of preferable scheme of the utility model, is not the utility model is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (6)
1. electronic auxiliary braking system of electronlmobil; Comprise master brake cylinder (1), brake pedal (2), vacuum booster (3), vacuum pump (4) and vacuum servo controller (6); Vacuum booster is connected with master brake cylinder with brake pedal respectively, it is characterized in that: be provided with vacuum reservoir (5) between described vacuum booster and the vacuum pump, vacuum booster is connected through vacuum line with vacuum reservoir; Vacuum reservoir is connected through vacuum line with vacuum pump; The vacuum line that connects vacuum booster and vacuum reservoir is provided with vacuum check valve (13), and vacuum reservoir is provided with vacuum-pressure detection device (7), and the vacuum-pressure detection device is connected with the vacuum servo controller respectively with vacuum pump.
2. the electronic auxiliary braking system of electronlmobil according to claim 1; It is characterized in that: be provided with barrier film in the described vacuum booster; Barrier film is divided into ante-chamber and back cavity two parts with vacuum booster; Back cavity is provided with control cock (8), and said ante-chamber is communicated with vacuum reservoir, and said back cavity is connected with brake pedal through control cock.
3. the electronic auxiliary braking system of electronlmobil according to claim 1 and 2; It is characterized in that: described master brake cylinder is connected with trailing wheel brake cylinder (12) with the front wheel brake oil cylinder (11) of electronlmobil respectively through transfer line, and the transfer line that connects master brake cylinder and trailing wheel brake cylinder is provided with apportioning valve (9).
4. the electronic auxiliary braking system of electronlmobil according to claim 1 and 2 is characterized in that: described vacuum-pressure detection device is a pressure switch.
5. the electronic auxiliary braking system of electronlmobil according to claim 1 and 2 is characterized in that: described vacuum-pressure detection device is a pressure sensor.
6. the electronic auxiliary braking system of electronlmobil according to claim 1 and 2 is characterized in that: described vacuum servo controller is master control ECU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201244984U CN202243432U (en) | 2011-04-21 | 2011-04-21 | Electric auxiliary braking system of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201244984U CN202243432U (en) | 2011-04-21 | 2011-04-21 | Electric auxiliary braking system of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202243432U true CN202243432U (en) | 2012-05-30 |
Family
ID=46104719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201244984U Expired - Lifetime CN202243432U (en) | 2011-04-21 | 2011-04-21 | Electric auxiliary braking system of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202243432U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180161A (en) * | 2011-04-21 | 2011-09-14 | 纽贝耳汽车(杭州)有限公司 | Electric auxiliary brake system of electric automobile |
| CN106394534A (en) * | 2016-11-17 | 2017-02-15 | 吉林大学 | Vacuum servo brake control system and control method of unmanned electric automobile |
-
2011
- 2011-04-21 CN CN2011201244984U patent/CN202243432U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102180161A (en) * | 2011-04-21 | 2011-09-14 | 纽贝耳汽车(杭州)有限公司 | Electric auxiliary brake system of electric automobile |
| CN106394534A (en) * | 2016-11-17 | 2017-02-15 | 吉林大学 | Vacuum servo brake control system and control method of unmanned electric automobile |
| CN106394534B (en) * | 2016-11-17 | 2019-03-15 | 吉林大学 | A kind of driverless electric automobile vacuum-assisted brake control system and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| DD01 | Delivery of document by public notice |
Addressee: Nebeier Automobile (Hangzhou) Co., Ltd. Document name: Notification to Go Through Formalities of Registration |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Jin Zheyong Inventor before: Mao Liming |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151208 Address after: Hangzhou City, Zhejiang province Binjiang District Puyan streets 310053 ring Hing Road No. 415 1-2 Patentee after: ZOTYE NEW ENERGY AUTOMOBILE CO., LTD. Address before: 310052 No. 415 Xing Xing Road, Hangzhou, Zhejiang, Binjiang District Patentee before: Nebeier Automobile (Hangzhou) Co., Ltd. |
|
| DD01 | Delivery of document by public notice |
Addressee: Li Guoping Document name: Notification of Passing Examination on Formalities |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120530 |
|
| CX01 | Expiry of patent term |