CN201304987Y - Vacuum boost braking system for pure electric car - Google Patents
Vacuum boost braking system for pure electric car Download PDFInfo
- Publication number
- CN201304987Y CN201304987Y CNU2008202159559U CN200820215955U CN201304987Y CN 201304987 Y CN201304987 Y CN 201304987Y CN U2008202159559 U CNU2008202159559 U CN U2008202159559U CN 200820215955 U CN200820215955 U CN 200820215955U CN 201304987 Y CN201304987 Y CN 201304987Y
- Authority
- CN
- China
- Prior art keywords
- vacuum
- triple valve
- electric
- vacuum pump
- air pipe
- 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
- 238000001514 detection method Methods 0.000 abstract 1
- 238000005265 energy consumption Methods 0.000 abstract 1
- 230000000977 initiatory effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Images
Landscapes
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The utility model discloses a vacuum boost braking system for a pure electric car, which belongs to the technical field of pure electric car. The vacuum boost braking system comprises a power supply, a vacuum tank, an electric vacuum pump for vacuumizing the vacuum tank, a controller for detecting the degree of vacuum of the vacuum tank and controlling the start or stop of the electric vacuum pump according to the detection result, a non return valve, a first three-way valve, a third three-way valve, a vacuum booster, an interlocked component and a braking system; wherein the controller is electrically connected on the power supply, directly electrically connected with the electric vacuum pump to form a branch, and also connected with the first three-way valve through a gas pipe, the electric vacuum pump is connected with the non return valve through a gas pipe, and the first three-way valve is connected with the non return valve through a gas pipe; the first three-way valve is connected with the third three-way valve through a gas pipe, the vacuum tank is connected with the third three-way valve through a gas pipe, the third three-way valve is connected with the vacuum booster through a gas pipe, and the vacuum booster is mutually connected with the braking system through the interlocked component. The vacuum boost braking system has the advantages of good stability and small energy consumption.
Description
Technical field
The utility model belongs to the pure electric sedan technical field, relates in particular to a kind of vacuum auxiliary brake device of pure electric sedan.
Background technology
Pure electric sedan has progressively been come into people's life as the vehicle with energy-saving and environmental protection advantage that adopt novel energy to drive.The brake system of traditional engine petrol car is to drive the mode of inhaling vacuum by engine petrol to provide negative pressure to vacuum booster, and the pure electric sedan employing is motor-driven, its structure can not provide negative pressure for vacuum booster, just brake system does not have the vacuum propulsion source, has therefore lost the vacuum servo function.Only can't be satisfied the needs of service brake by the braking force that manpower produced, this just need improve the brake system vacuum booster unit, and improved key problem is by rational mode and structure, produces enough pressure, stable vacuum source.
The utility model content
The technical problems to be solved in the utility model provides a kind of vacuum auxiliary brake device of pure electric sedan, this vacuum auxiliary brake device good stability, and consumed energy is little.
The utility model comprises power supply; Vacuum reservoir; Electric vacuum pump is used for vacuum reservoir is vacuumized; Controller is used to detect the degree of vacuum of vacuum reservoir, and starting or stoping according to testing result control electric vacuum pump; Boiler check valve; The first triple valve; Third triple valve; Vacuum booster; Linkage component; Brake system; Described controller is connected electrically on the power supply, directly be electrically connected between controller and the electric vacuum pump and form a branch road, controller connects the first triple valve by air pipe, and electric vacuum pump connects boiler check valve by air pipe, links to each other by air pipe between first triple valve and the boiler check valve; The first triple valve links to each other by air pipe with third triple valve, and vacuum reservoir connects third triple valve by air pipe, and third triple valve connects vacuum booster by air pipe in addition, and described vacuum booster interconnects by linkage component and brake system.
As improvement of the present utility model, be electrically connected indirectly by means of a slug relay in addition between described controller and the electric vacuum pump and form another branch road; Slug relay is connected electrically on the power supply; In the branch road that controller disconnects with electric vacuum pump directly is electrically connected, another branch road that connection directly is electrically connected by means of slug relay and electric vacuum pump, electric vacuum pump work on and stop after a period of time.
As further improvement of the utility model, also comprise the second triple valve; Pressure warning unit is used to detect the degree of vacuum in the vacuum reservoir, and the degree of vacuum in vacuum reservoir is sent alerting signal when making vacuum booster that effective vacuum servo can not be provided; Described pressure warning unit connects the second triple valve by air pipe, and described second triple valve is connected on the air pipe between the first triple valve and third triple valve.
When chaufeur start a car or chaufeur have braking maneuver, controller initiation pressure self check in the utility model, when the degree of vacuum in the vacuum reservoir during less than limit value, controller is connected the branch road that directly is electrically connected with electric vacuum pump, electric vacuum pump is started working, and vacuum reservoir is vacuumized.When the degree of vacuum in the vacuum reservoir was increased to certain value, controller disconnected the branch road that directly is electrically connected with electric vacuum pump, stops vacuum reservoir being vacuumized.The utility model adopts electric vacuum pump to inhale the mode of vacuum, by controller control electric vacuum pump, intermittently work, avoid continuity work to cause the damage of vacuum pump, reduce expenditure of energy, improve vacuum pump safe in utilization and service life, thereby guaranteed brake system safety, stable operation.
Other branch road by means of slug relay's foundation, can prevent when vacuum reservoir is vacuumized end, chaufeur brake and make degree of vacuum reduction vacuum reservoir in, thereby frequent starting electric vacuum pump have guaranteed the functional reliability of whole brake system thus.
Pressure warning unit also is initiation pressure self check when chaufeur start a car or chaufeur have braking maneuver.Alerting signal can be sound and/or optical signal, notes road speed to remind chaufeur, guarantees traffic safety.
Description of drawings
Fig. 1 is a kind of functional block diagram of the present utility model.
The specific embodiment
As shown in Figure 1, be electrically connected controller 2 on the power supply 1, described controller 2 is electrically connected with electric vacuum pump 3 by two branch roads, wherein branch road be controller 2 with electric vacuum pump 3 between directly be electrically connected, to be controller 2 be electrically connected by means of between slug relay 13 and the electric vacuum pump 3 another branch road indirectly.
Described controller 2 connects first triple valve 4 by air pipe, and electric vacuum pump 3 connects boiler check valve 5 by air pipe, links to each other by air pipe between first triple valve 4 and the boiler check valve 5.
First triple valve 4 connects second triple valve 6 by air pipe, and described second triple valve 6 connects pressure warning unit 7 by air pipe, and described pressure warning unit 7 is connected electrically on the power supply 1.
Second triple valve 6 connects third triple valve 8 by air pipe, connects vacuum reservoir 9 by air pipe on described third triple valve 8.
Third triple valve 8 connects vacuum booster 10 by air pipe, and described vacuum booster 10 interconnects by linkage component 11 and brake system 12.
When chaufeur start a car or chaufeur have braking maneuver, controller 2 and pressure warning unit 7 initiation pressure self checks, when the degree of vacuum in the vacuum reservoir 9 during less than limit value, pressure warning unit 7 sends alerting signal, vacuum booster 10 can not provide the actv. vacuum servo, reminds chaufeur to note road speed; Meanwhile, controller 2 is connected the branch road that directly is electrically connected with electric vacuum pump 3, and electric vacuum pump 3 is started working, and vacuum reservoir 9 is vacuumized.When the degree of vacuum in the vacuum reservoir 9 is increased to certain value, controller 2 disconnects the branch road that directly is electrically connected with electric vacuum pump 3, the branch roads that connection is electrically connected indirectly by means of slug relay 13 and electric vacuum pump 3, electric vacuum pump 3 work on and stop after a period of time.
Claims (3)
1, a kind of vacuum auxiliary brake device of pure electric sedan is characterized in that: comprise power supply; Vacuum reservoir; Electric vacuum pump is used for vacuum reservoir is vacuumized; Controller is used to detect the degree of vacuum of vacuum reservoir, and starting or stoping according to testing result control electric vacuum pump; Boiler check valve; The first triple valve; Third triple valve; Vacuum booster; Linkage component; Brake system; Described controller is connected electrically on the power supply, directly be electrically connected between controller and the electric vacuum pump and form a branch road, controller connects the first triple valve by air pipe, and electric vacuum pump connects boiler check valve by air pipe, links to each other by air pipe between first triple valve and the boiler check valve; The first triple valve links to each other by air pipe with third triple valve, and vacuum reservoir connects third triple valve by air pipe, and third triple valve connects vacuum booster by air pipe in addition, and described vacuum booster interconnects by linkage component and brake system.
2, the vacuum auxiliary brake device of a kind of pure electric sedan according to claim 1 is characterized in that: be electrically connected indirectly by means of a slug relay in addition between described controller and the electric vacuum pump and form another branch road; Slug relay is connected electrically on the power supply; In the branch road that controller disconnects with electric vacuum pump directly is electrically connected, another branch road that connection directly is electrically connected by means of slug relay and electric vacuum pump, electric vacuum pump work on and stop after a period of time.
3, the vacuum auxiliary brake device of a kind of pure electric sedan according to claim 1 and 2 is characterized in that: also comprise the second triple valve; Pressure warning unit is used to detect the degree of vacuum in the vacuum reservoir, and the degree of vacuum in vacuum reservoir is sent alerting signal when making vacuum booster that effective vacuum servo can not be provided; Described pressure warning unit connects the second triple valve by air pipe, and described second triple valve is connected on the air pipe between the first triple valve and third triple valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202159559U CN201304987Y (en) | 2008-11-26 | 2008-11-26 | Vacuum boost braking system for pure electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202159559U CN201304987Y (en) | 2008-11-26 | 2008-11-26 | Vacuum boost braking system for pure electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201304987Y true CN201304987Y (en) | 2009-09-09 |
Family
ID=41097449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202159559U Expired - Fee Related CN201304987Y (en) | 2008-11-26 | 2008-11-26 | Vacuum boost braking system for pure electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201304987Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011047594A1 (en) * | 2009-10-21 | 2011-04-28 | 深圳市陆地方舟电动车有限公司 | Electric booster brake assist system for electric vehicle |
| CN102069787A (en) * | 2010-12-20 | 2011-05-25 | 奇瑞汽车股份有限公司 | Pipeline structure of vacuum power-assisted system of electric vehicle |
| CN102815288A (en) * | 2011-06-10 | 2012-12-12 | 北汽福田汽车股份有限公司 | Electronic vacuum pump control device, vacuum boosting system and vacuum boosting method |
| CN103359100A (en) * | 2012-04-09 | 2013-10-23 | 广州汽车集团股份有限公司 | Automobile brake control system and control method |
| CN104260718A (en) * | 2014-10-11 | 2015-01-07 | 北京英创汇智科技有限公司 | Brake system for realizing self-protection function of electric vacuum pump and control method thereof |
| CN107472228A (en) * | 2017-07-31 | 2017-12-15 | 北京新能源汽车股份有限公司 | Vacuum pump control method and device and automobile |
| CN108909696A (en) * | 2018-06-12 | 2018-11-30 | 浙江吉利汽车研究院有限公司 | A kind of electric brake vacuum pump intelligence control system and method |
-
2008
- 2008-11-26 CN CNU2008202159559U patent/CN201304987Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011047594A1 (en) * | 2009-10-21 | 2011-04-28 | 深圳市陆地方舟电动车有限公司 | Electric booster brake assist system for electric vehicle |
| CN102069787A (en) * | 2010-12-20 | 2011-05-25 | 奇瑞汽车股份有限公司 | Pipeline structure of vacuum power-assisted system of electric vehicle |
| CN102815288A (en) * | 2011-06-10 | 2012-12-12 | 北汽福田汽车股份有限公司 | Electronic vacuum pump control device, vacuum boosting system and vacuum boosting method |
| CN103359100A (en) * | 2012-04-09 | 2013-10-23 | 广州汽车集团股份有限公司 | Automobile brake control system and control method |
| CN103359100B (en) * | 2012-04-09 | 2015-09-30 | 广州汽车集团股份有限公司 | A kind of Automobile brake control system and control method |
| CN104260718A (en) * | 2014-10-11 | 2015-01-07 | 北京英创汇智科技有限公司 | Brake system for realizing self-protection function of electric vacuum pump and control method thereof |
| CN107472228A (en) * | 2017-07-31 | 2017-12-15 | 北京新能源汽车股份有限公司 | Vacuum pump control method and device and automobile |
| CN107472228B (en) * | 2017-07-31 | 2020-02-18 | 北京新能源汽车股份有限公司 | Vacuum pump control method and device and automobile |
| CN108909696A (en) * | 2018-06-12 | 2018-11-30 | 浙江吉利汽车研究院有限公司 | A kind of electric brake vacuum pump intelligence control system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201304987Y (en) | Vacuum boost braking system for pure electric car | |
| WO2011047594A1 (en) | Electric booster brake assist system for electric vehicle | |
| CN103448792A (en) | Dual drive power-assisted steering system and control method for hybrid electric vehicle | |
| CN101767580B (en) | Brake vacuum assist system and brake vacuum assist method of hybrid power automobile | |
| CN204978623U (en) | Active hydraulic braking system of tram | |
| CN102180161A (en) | Electric auxiliary brake system of electric automobile | |
| CN104960515A (en) | Active hydraulic brake system of tramcar | |
| CN102424068B (en) | Automobile hydraulic power-driven assisted steering system | |
| CN103693033A (en) | Vacuum boosting system, electric vehicle and vacuum boosting control method | |
| CN202703565U (en) | Air management system for pure electric car to recycle exhausted air of electric vacuum pump | |
| CN202827109U (en) | Performing mechanism for hybrid electric vehicle clutch with limp function | |
| CN201777235U (en) | Electric vacuum brake assisting system | |
| CN202186293U (en) | Auxiliary lift device for collector bow | |
| CN202541518U (en) | Forced release valve of urban rail vehicle parking brake control unit | |
| CN204821530U (en) | Active tram hydraulic braking system of high speed switch valve | |
| CN204548058U (en) | A kind of automobile-used brake power recovering device | |
| CN203450199U (en) | Dual-drive power-assisted steering system of hybrid electric vehicle | |
| CN103723137A (en) | Brake assisting power control method for electric vehicle | |
| CN104015714A (en) | Clearance electromobile vacuum generating device | |
| CN206589716U (en) | The electric-control system that a kind of pure electric road is cared the car | |
| CN201736985U (en) | Vacuum device of automobile braking system | |
| CN102442345A (en) | Control method of electro-hydraulic type power-assisted steering system | |
| CN205220649U (en) | Electric motor car braking system | |
| CN201056206Y (en) | Safety brake compensating gear | |
| CN202243432U (en) | Electric auxiliary braking system of electric automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WANG LIN Free format text: FORMER OWNER: YANGZHOU FEICHI DYNAMIC MECHANISM CO., LTD. Effective date: 20120118 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 225003 YANGZHOU, JIANGSU PROVINCE TO: 225009 YANGZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120118 Address after: 225009 B District, Yangzhou R & D center, 186 middle Yangzi Road, Yangzhou, Jiangsu 206, China Patentee after: Wang Lin Address before: 225003 No. 48 canal South Road, Jiangsu, Yangzhou Patentee before: Yangzhou Feichi Dynamic Mechanism Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20141126 |
|
| EXPY | Termination of patent right or utility model |