CN201390248Y - Brake system of electric vehicle - Google Patents
Brake system of electric vehicle Download PDFInfo
- Publication number
- CN201390248Y CN201390248Y CN200820239425U CN200820239425U CN201390248Y CN 201390248 Y CN201390248 Y CN 201390248Y CN 200820239425 U CN200820239425 U CN 200820239425U CN 200820239425 U CN200820239425 U CN 200820239425U CN 201390248 Y CN201390248 Y CN 201390248Y
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- Prior art keywords
- brake
- vacuum
- vacuum pump
- electronlmobil
- brake system
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Abstract
The utility model discloses a brake system of an electric vehicle, which comprises a running brake system and a parking brake system. The running brake system comprises a brake pedal (8), a brake (1) and a power battery pack (9), a vacuum pump (2) and a vacuum pump motor (3) are arranged in the running brake system, the power supply of the vacuum pump motor (3) is the power battery pack (9), and the vacuum pump (2) is driven by the vacuum pump motor (3) and connected with the brake through a brake pipeline (6). With the vacuum boosting mode in the technical proposal, the utility model realizes the purpose of improving the braking reliability and safety for the running and parking of the electric vehicle, has the advantages of flexible braking operation, simple structure and coordination with the whole vehicle system, and satisfies the structural requirements of the electric vehicle.
Description
Technical field
The utility model belongs to the technical field of automobile construction, relates to the structure of pure electric automobile, and more particularly, the utility model relates to a kind of brake system of electronlmobil.
Background technology
The radical function of the brake system of automobile is to make the car deceleration in travelling or stop to travel, or makes the automobile of stagnation of movement keep motionless, prevents to occur under external force accident.The brake system of automobile mainly is made up of service brake and braking during standstill system, and service brake is used so that the car deceleration in travelling travels, and braking during standstill system is motionless with the automobile that the mechanical action maintenance has stopped.
But safety and reliability existing problems in the brake system of the electric car of public use at present cause the generation of the situation of brake failure.
The utility model content
Problem to be solved in the utility model provides a kind of brake system of electronlmobil, its objective is to improve travelling and the reliability and the safety of braking during standstill of electronlmobil.
To achieve these goals, the technical scheme taked of the utility model is:
The brake system of this electronlmobil provided by the utility model, comprise service brake and braking during standstill system, described service brake comprises brake pedal, drg and power battery pack, establish vacuum pump, vaccum pump motor in the described service brake, the power supply of described vaccum pump motor is a power battery pack, described vacuum pump is driven by described vaccum pump motor, and described vacuum pump is connected with described drg by brake piping.
For making the utility model more perfect, more detailed and concrete technical scheme below also further having proposed, to obtain best practical function, realize goal of the invention better, and improve novelty of the present utility model and creativeness:
Establish brake activation valve in the described service brake, this brake activation valve is two shutoff valves, is arranged on the brake piping that leads to described drg, and described brake pedal is connected with the brake activation valve spool.
The mode of operation of described brake pedal and brake activation valve is set to: when described brake pedal depressed, described brake activation valve was a conducting state.
Described vacuum pump is established vacuum reservoir to the brake piping between the brake activation valve.
On described vaccum pump motor and vacuum pump bonded assembly circuit, establish vacuum pressure switch, the control gas circuit of described vacuum pressure switch is connected with brake piping between described vacuum reservoir and the described brake activation valve.
The mode of operation of described vacuum pressure switch is set to: when described control gas circuit degree of vacuum decline, and when promptly air pressure raises, the contact closure of described vacuum pressure switch, circuit turn-on.
On the brake piping between described vacuum pump and the vacuum reservoir, establish check valve, the air-flow conducting direction of described check valve is towards described vacuum pump.
The mechanical drag-line of described braking during standstill system's employing, its drag-line is connected with rear drum brake.
Described vacuum pump is a diaphragm-type vacuum pump.
Front-wheel brake in the described service brake is the ventilated disc drg.
The utility model adopts technique scheme, utilize the vacuum servo mode, realized improving travelling and the reliability of braking during standstill and the purpose of safety of electronlmobil, brake operating is flexible, simple in structure, with the Full Vehicle System cooperation, satisfy the structural requirement of pure electric vehicle.
Description of drawings
Below expressed content of the accompanying drawing of this specification sheets and the mark among the figure are made brief description:
Fig. 1 is a structural representation of the present utility model.
Be labeled as among the figure:
1, drg, 2, vacuum pump, 3, vaccum pump motor, 4, vacuum reservoir, 5, vacuum pressure switch, 6, brake piping, 7, check valve, 8, brake pedal, 9, power battery pack, 10, brake activation valve.
The specific embodiment
Contrast accompanying drawing below, by description to embodiment, to effect and principle of work, the manufacturing process of the mutual alignment between the shape of the specific embodiment of the present utility model such as related each member, structure, the each several part and annexation, each several part and manipulate method etc., be described in further detail, inventive concept of the present utility model, technical scheme had more complete, accurate and deep understanding to help those skilled in the art.
The of the present utility model structure expressed as Fig. 1 is a kind of brake system of electronlmobil, comprises service brake and braking during standstill system, and described service brake comprises brake pedal 8, drg 1 and power battery pack 9.
In order to solve the problem that exists at the described present known technology of this specification sheets background technology part and to overcome its defective, realize improving travelling and the reliability of braking during standstill and the goal of the invention of safety of electronlmobil, the technical scheme that the utility model is taked is:
As shown in Figure 1, the brake system of this electronlmobil provided by the utility model, in described service brake, establish vacuum pump 2, vaccum pump motor 3, the power supply of described vaccum pump motor 3 is a power battery pack 9, described vacuum pump 2 is driven by described vaccum pump motor 3, and described vacuum pump 2 is connected with described drg by brake piping 6.
Brake system adopts the vacuum servo mode, and major part is the integrated vacuum pump 2 of direct current, vacuum reservoir 4, and the degree of vacuum of system is 20kPa.The voltage of direct current vacuum pump is 12V, and the speed of evacuation is 〉=0.5L/S.
Technique scheme has realized improving travelling and the reliability of braking during standstill and the goal of the invention of safety of electronlmobil, brake operating is flexible, simple in structure, with the Full Vehicle System cooperation, satisfy the structural requirement of pure electric vehicle.
Below be concrete exemplifying embodiment of the present utility model, this remote technical personnel can be used with reference to also selecting at enforcement the utility model:
Embodiment one:
Establish brake activation valve 10 in the service brake described in the utility model, this brake activation valve 10 is two shutoff valves, is arranged on the brake piping 6 that leads to described drg 1, and described brake pedal 8 is connected with brake activation valve 10 spools.
Brake pedal 8 acts directly on the spool of brake activation valve 10, realizes the break-make of vacuum line, realizes vehicle braked.
Embodiment two:
The mode of operation of brake pedal 8 described in the utility model and brake activation valve 10 is set to: when described brake pedal 8 depressed, described brake activation valve 10 was a conducting state.
Chaufeur is stepped on brake pedal 8, and brake activation valve 10 is a conducting state, and then leading to drg 1 brake piping 6 is vacuum state, plays brake action.
Embodiment three:
The utility model vacuum pump 2 is established vacuum reservoir 4 to the brake piping 6 between the brake activation valve 10.
In order to store more vacuum, prevent the vacuum pump frequent starting, install a vacuum reservoir 4 additional, make system keep a higher degree of vacuum.Stepping on the glancing impact required vacuum of acquisition fast continuously simultaneously.
Embodiment four:
On vaccum pump motor described in the utility model 3 and vacuum pump 2 bonded assembly circuit, establish vacuum pressure switch 5, the control gas circuit of described vacuum pressure switch 5 is connected with brake piping 6 between described vacuum reservoir 4 and the described brake activation valve 10.
The start-stop of vacuum pressure switch 5. according to system vacuum degree control vacuum pump 2 is housed in the utility model, and the degree of vacuum when design vacuum pressure switch 5 disconnects vacuum pump 2 is 5kPa, and the pressure that starts vacuum pump 2 is that degree of vacuum is greater than 15kPa.
When key switch is opened to the ON shelves, direct current vacuum pump 12V power connection, the direct current vacuum pump is started working.Vacuum reservoir 4 is to store vacuum usefulness, when degree of vacuum reaches certain value, and vacuum pressure switch 5 contact opens, vacuum pump 2 quits work.Along with braking maneuver consumes vacuum, cause degree of vacuum to cross when hanging down, vacuum pressure switch 5 closings of contact, vacuum pump 2 is reworked, and has guaranteed that degree of vacuum maintains in the proper range.
When key switch closed to ACC by ON, the 12V power supply of vacuum pump 2 was cut off, and vacuum pump 2 stops output.
Embodiment five:
The mode of operation of vacuum pressure switch 5 described in the utility model is set to: when described control gas circuit degree of vacuum decline, and when promptly air pressure raises, the contact closure of described vacuum pressure switch 5, circuit turn-on.
Embodiment six:
On the brake piping 6 between vacuum pump 2 described in the utility model and the vacuum reservoir 4, establish check valve 7, the air-flow conducting direction of described check valve 7 is towards described vacuum pump 2.
The effect of check valve 7 is that atmosphere enters vacuum system when preventing the system failure, causes brake failure.
Embodiment seven:
The mechanical drag-line of braking during standstill system's employing described in the utility model, its drag-line is connected with rear drum brake.
Embodiment eight:
| Motor operating voltage (V) | Direct current 12V |
| Noise Lw dB (A) | ≤72 |
| Operating ambient temperature (℃) | 5～40 |
Embodiment nine:
Front-wheel brake in the service brake described in the utility model is the ventilated disc drg.
Embodiment ten:
The fault and the method for removing of vacuum pump 2 are as shown in the table:
Embodiment 11:
The requirement of the maintenance of brake system:
1, before every day or each the use: check whether oil level is suitable; Check any abnormal noise and vibrations;
2, every month: whether check system had leakage; Check whether oil is dirty excessively, changes brake noise if necessary;
3, per six months/500h: change oil;
4, if vacuum pump 2 when finding the degree of vacuum mal, unloads pump cover and removes dirt around the rubber valve plate during operation, in statu quo installs and can recover.
5, the antifriction-bearing box on vacuum pump 2 eccentric wheel, preferably annual the cleaning once refills end temperature lubricating grease (No. 7026).
6, vacuum pump 2, be overhauled when finding the pump cisco unity malfunction owing to long-term operation.If find that barrier film and valve block are aging or when damaging, must more renew barrier film and valve block.Pressure plug, barrier film and rocking arm bonded assembly tightening screw place need be coated with liquid sealant during assembling, play the pump chamber sealing and prevent the screw loosening effect.
7, periodic inspection line seal makes it to be in good state, in case find that bending, galling, flattening place are arranged, should in time change.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as adopted the improvement of the various unsubstantialities that method of the present utility model design and technical scheme carry out; or design of the present utility model and technical scheme are directly applied to other occasion without improving, all within protection domain of the present utility model.
Claims (10)
1, a kind of brake system of electronlmobil, comprise service brake and braking during standstill system, described service brake comprises brake pedal (8), drg (1) and power battery pack (9), it is characterized in that: establish vacuum pump (2), vaccum pump motor (3) in the described service brake, the power supply of described vaccum pump motor (3) is power battery pack (9), described vacuum pump (2) is driven by described vaccum pump motor (3), and described vacuum pump (2) is connected with described drg by brake piping (6).
2, according to the brake system of the described electronlmobil of claim 1, it is characterized in that: establish brake activation valve (10) in the described service brake, this brake activation valve (10) is two shutoff valves, be arranged on the brake piping (6) that leads to described drg (1), described brake pedal (8) is connected with brake activation valve (10) spool.
3, according to the brake system of the described electronlmobil of claim 1, it is characterized in that: the mode of operation of described brake pedal (8) and brake activation valve (10) is set to: when described brake pedal (8) when depressing, described brake activation valve (10) is a conducting state.
4, according to the brake system of the described electronlmobil of claim 2, it is characterized in that: described vacuum pump (2) is established vacuum reservoir (4) to the brake piping (6) between the brake activation valve (10).
5, according to the brake system of the described electronlmobil of claim 4, it is characterized in that: on described vaccum pump motor (3) and vacuum pump (2) bonded assembly circuit, if vacuum pressure switch (5), the control gas circuit of described vacuum pressure switch (5) is connected with brake piping (6) between described vacuum reservoir (4) and the described brake activation valve (10).
6, according to the brake system of the described electronlmobil of claim 5, it is characterized in that: the mode of operation of described vacuum pressure switch (5) is set to: when described control gas circuit degree of vacuum descends, when being the air pressure rising, the contact closure of described vacuum pressure switch (5), circuit turn-on.
7, according to the brake system of the described electronlmobil of claim 4, it is characterized in that: on the brake piping (6) between described vacuum pump (2) and the vacuum reservoir (4), if check valve (7), the air-flow conducting direction of described check valve (7) is towards described vacuum pump (2).
8, according to the brake system of each described electronlmobil of claim 1 to 7, it is characterized in that: the mechanical drag-line of described braking during standstill system's employing, its drag-line is connected with rear drum brake.
9, according to the brake system of the described electronlmobil of claim 4, it is characterized in that: described vacuum pump (2) is a diaphragm-type vacuum pump.
10, according to the brake system of each described electronlmobil of claim 1 to 7, it is characterized in that: the front-wheel brake in the described service brake is the ventilated disc drg.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820239425U CN201390248Y (en) | 2008-12-31 | 2008-12-31 | Brake system of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200820239425U CN201390248Y (en) | 2008-12-31 | 2008-12-31 | Brake system of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201390248Y true CN201390248Y (en) | 2010-01-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200820239425U Expired - Lifetime CN201390248Y (en) | 2008-12-31 | 2008-12-31 | Brake system of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201390248Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927761A (en) * | 2010-09-29 | 2010-12-29 | 重庆长安汽车股份有限公司 | Vacuum boosting braking system for pure electric vehicle and control method |
| CN103253255A (en) * | 2012-12-31 | 2013-08-21 | 湖南吉利汽车部件有限公司 | Auxiliary vacuum power-assisted braking device |
| CN103770767A (en) * | 2012-10-22 | 2014-05-07 | 财团法人车辆研究测试中心 | Electronic type vacuum brake power assisting system |
| CN105438172A (en) * | 2015-12-22 | 2016-03-30 | 郑州飞轮威尔实业有限公司 | Intelligent electric car with left-right self-balancing function |
| CN106494258A (en) * | 2016-09-18 | 2017-03-15 | 东风襄阳旅行车有限公司 | Electric automobile vacuum servo and motor composite braking system and brake control method |
| CN110259738A (en) * | 2019-06-27 | 2019-09-20 | 刘剑 | The truck-mounted drilling rig device of electric car |
-
2008
- 2008-12-31 CN CN200820239425U patent/CN201390248Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101927761A (en) * | 2010-09-29 | 2010-12-29 | 重庆长安汽车股份有限公司 | Vacuum boosting braking system for pure electric vehicle and control method |
| CN101927761B (en) * | 2010-09-29 | 2013-09-11 | 重庆长安汽车股份有限公司 | Vacuum boosting braking system for pure electric vehicle and control method |
| CN103770767A (en) * | 2012-10-22 | 2014-05-07 | 财团法人车辆研究测试中心 | Electronic type vacuum brake power assisting system |
| CN103770767B (en) * | 2012-10-22 | 2016-08-10 | 财团法人车辆研究测试中心 | Electronic type vacuum brake force aid system |
| CN103253255A (en) * | 2012-12-31 | 2013-08-21 | 湖南吉利汽车部件有限公司 | Auxiliary vacuum power-assisted braking device |
| CN103253255B (en) * | 2012-12-31 | 2016-03-30 | 湖南吉利汽车部件有限公司 | A kind of attached vacuum booster brake device |
| CN105438172A (en) * | 2015-12-22 | 2016-03-30 | 郑州飞轮威尔实业有限公司 | Intelligent electric car with left-right self-balancing function |
| CN106494258A (en) * | 2016-09-18 | 2017-03-15 | 东风襄阳旅行车有限公司 | Electric automobile vacuum servo and motor composite braking system and brake control method |
| CN110259738A (en) * | 2019-06-27 | 2019-09-20 | 刘剑 | The truck-mounted drilling rig device of electric car |
| CN112145674A (en) * | 2019-06-27 | 2020-12-29 | 常州爱上学教育科技有限公司 | Vehicle-mounted drilling machine device of electric automobile and drilling method thereof |
| CN112145675A (en) * | 2019-06-27 | 2020-12-29 | 常州爱上学教育科技有限公司 | Vehicle-mounted drilling machine device of electric automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151020 Address after: 321301 No. 9 Beihu Road, Yongkang Economic Development Zone, Zhejiang, China Patentee after: Zhejiang Zhongtai Automobile Manufacturing Co., Ltd. Address before: 321301 No. 1 Beihu Road, hardware science and Technology Industrial Park, Zhejiang, Yongkang Patentee before: Zotye Holding Group Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100127 |
|
| CX01 | Expiry of patent term |