CN205311592U - Electric automobile vacuum system became invalid and assisted safety coefficient - Google Patents
Electric automobile vacuum system became invalid and assisted safety coefficient Download PDFInfo
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- CN205311592U CN205311592U CN201521086334.1U CN201521086334U CN205311592U CN 205311592 U CN205311592 U CN 205311592U CN 201521086334 U CN201521086334 U CN 201521086334U CN 205311592 U CN205311592 U CN 205311592U
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- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 11
- 206010039203 Road traffic accident Diseases 0.000 abstract 1
- 230000005611 electricity Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses an electric automobile vacuum system became invalid and assisted safety coefficient. It includes the pressure sensor of a central processing unit, meter lamp, the real empty can internal gas pressure of detection electric automobile, a central processing unit is connected with meter lamp, pressure sensor and electric automobile's electronic braking footboard, machine controller, vacuum pump, battery management system electricity respectively. The utility model discloses when electric automobile's vacuum system became invalid, can in time detect out, inform driver and crew to notice, driver and crew provide certain assisting when taking to brake the measure to the risk of greatly reduced traffic accident, the security that has improved the vehicle.
Description
Technical field
This utility model relates to electric automobile security technology area, particularly relates to a kind of electric automobile vacuum system inefficacy supplementary security system.
Background technology
Along with energy crisis, environmental problem etc. become increasingly conspicuous, electric automobile receives national or even global concern. Braking of battery electric vehicle system has extremely important effect in vehicle travel process, and digital electric vacuum assistance system is made up of electric vacuum pump, vacuum tank and controller. Electric vacuum pump is exactly the parts assembly scattering and disappearing at the vacuum source of the vacuum boost system cancelled after electromotor in order to avoid brakes and must increasing. It is by electrical energy drive, can provide reliable, enough vacuum source for vacuum boost system. When the vacuum system of pure electric automobile goes wrong, the braking deceleration that car load can reach is only small, and when especially women and oldaged physically weak person drive, vehicle is difficult in the short time to stop, have very big potential safety hazard.
Summary of the invention
The purpose of this utility model is to overcome electric automobile can not detect that vacuum system is out of order in time, there is the technical problem of potential safety hazard, provide a kind of electric automobile vacuum system inefficacy supplementary security system, it was when the vacuum system of electric automobile lost efficacy, can detect in time, notify that driver and crew note, certain auxiliary is provided when driver and crew take brake measure, thus being substantially reduced the risk of vehicle accident, improve the safety of vehicle.
In order to solve the problems referred to above, this utility model is achieved by the following technical solutions:
A kind of electric automobile vacuum system inefficacy supplementary security system of the present utility model, including CPU, meter lamp, detection electric automobile vacuum tank internal gas pressure pressure transducer, described CPU electrically connects with the electronic brake pedal of meter lamp, pressure transducer and electric automobile, electric machine controller, vacuum pump, battery management system respectively.
In the technical program, CPU is entire car controller. The vacuum tank internal gas pressure of CPU monitor in real time pressure transducer detection, when air pressure is less than setting value 50kpa, central processing unit controls vacuum pump work evacuation.Vacuum pump continued evacuation after 5 seconds, if the air pressure in vacuum tank still declines or the value of rising is lower than setting value, then CPU judges that the vacuum system of electric automobile lost efficacy.
After the vacuum system judging electric automobile lost efficacy, central processing unit controls meter lamp is lighted, report to the police to driver and crew, the vacuum system of prompting braking lost efficacy, such that it is able to allow driver selectively can control vehicle safely, such as actively reduce speed, or sail out of heavy traffic arterial highway, or shift to an earlier date Brake stop etc. In a word, after lighting meter lamp, driver according to its current traffic operating mode, can adopt necessary risk avoidance measures. When CPU receives the brake signal that electronic brake pedal sends, the battery management system communication of CPU and electric automobile, when battery management system judges that batteries of electric automobile can charge, CPU sends control signal to electric machine controller, electric machine controller makes motor be in generating state, rotor produces to drag moment, the electric energy that stator produces directly charges to battery, thus reducing the caloric value of motor, protection motor, also more persistently or more frequently for car load can provide braking torque; When battery management system judges that batteries of electric automobile can not charge, CPU sends control signal to electric machine controller, motor controller controls motor reversal produces moment of torsion auxiliary braking, in braking procedure, the motor feels hot dissipation energy, under the premise ensureing motor safety, auxiliary driver be braked, until vehicle stops. So can help body constitution weak person, under less control for brake power, reach bigger car load deceleration, such that it is able to reduce security risk when vehicle vacuum system lost efficacy.
As preferably, described CPU also electrically connects with the Brake lamp of electric automobile.
As preferably, described a kind of electric automobile vacuum system inefficacy supplementary security system also includes the hydropac lamp being arranged on outside electric automobile, and described hydropac lamp electrically connects with CPU.
As preferably, described a kind of electric automobile vacuum system inefficacy supplementary security system also includes the vehicle speed sensor of detection electric automobile speed, and described vehicle speed sensor electrically connects with CPU. Vehicle speed sensor detection speed, after CPU judges that the vacuum system of electric automobile lost efficacy, when speed is more than 30km/h, CPU sends reduction of speed instruction, motor controller controls motor reduction to electric machine controller, and speed is reduced to 30km/h.
As preferably, described a kind of electric automobile vacuum system inefficacy supplementary security system also includes voice guard, and described voice guard electrically connects with CPU.
As preferably, described a kind of electric automobile vacuum system inefficacy supplementary security system also includes wireless communication module, and described wireless communication module electrically connects with CPU. The fault message of electric automobile vacuum system is sent to high in the clouds by wireless communication module, it is simple to user checks, producer's monitoring etc.
The beneficial effects of the utility model are: when the vacuum system of electric automobile lost efficacy, can detect in time, notify that driver and crew note, moment of torsion auxiliary braking is produced by electric power generation mode when driver and crew take brake measure, or produce moment of torsion auxiliary braking by motor reversal, help driver under less control for brake power, reach bigger car load deceleration, such that it is able to reduce security risk when vehicle vacuum system lost efficacy.
Accompanying drawing explanation
Fig. 1 is that a kind of circuit theory of the present utility model connects block diagram;
Fig. 2 is the circuit theory diagrams of anti-clutter circuit.
In figure: 1, CPU, 2, meter lamp, 3, pressure transducer, 4, electronic brake pedal, 5, electric machine controller, 6, vacuum pump, 7, Brake lamp, 8, hydropac lamp, 9, efp, 10, vehicle speed sensor, 11, voice guard, 12, wireless communication module, 13, motor, 14, battery management system, 15, power module.
Detailed description of the invention
By the examples below, and in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail.
Embodiment: a kind of electric automobile vacuum system inefficacy supplementary security system of the present embodiment, as shown in Figure 1, including CPU 1, meter lamp 2, voice guard 11, wireless communication module 12, the pressure transducer 3 of detection electric automobile vacuum tank internal gas pressure, it is arranged on the hydropac lamp 8 outside electric automobile and the vehicle speed sensor 10 of detection electric automobile speed, CPU 1 respectively with meter lamp 2, pressure transducer 3, hydropac lamp 8, vehicle speed sensor 10, voice guard 11, the electronic brake pedal 4 of wireless communication module 12 and electric automobile, electric machine controller 5, vacuum pump 6, Brake lamp 7, efp 9, battery management system 14 electrically connects, electric machine controller 5 electrically connects with motor 13.
CPU is entire car controller. The vacuum tank internal gas pressure of CPU monitor in real time pressure transducer detection, when air pressure is less than setting value 50kpa, central processing unit controls vacuum pump work evacuation. Vacuum pump continued evacuation after 5 seconds, if the air pressure in vacuum tank still declines or the value of rising is lower than setting value, then CPU judges that the vacuum system of electric automobile lost efficacy.
After the vacuum system judging electric automobile lost efficacy, central processing unit controls meter lamp is lighted, control voice guard to report to the police, report to the police to driver and crew, the vacuum system of prompting braking lost efficacy, such that it is able to allow driver selectively can control vehicle safely, such as actively reduced speed, or sail out of heavy traffic arterial highway, or shift to an earlier date Brake stop etc. In a word, after lighting meter lamp, driver according to its current traffic operating mode, can adopt necessary risk avoidance measures.
After the vacuum system judging electric automobile lost efficacy, central processing unit controls hydropac lamp is lighted, by this way the fault message of vehicle is informed to surrounding vehicles, make surrounding vehicles after learning the fault message of fault car, can active dodge fault car, safe space is provided, thus improving safety further for fault car.
After the vacuum system judging electric automobile lost efficacy, central processing unit controls vacuum pump continuous firing 20 seconds, if the air pressure of vacuum tank is but without reaching 50kpa, then central processing unit controls vacuum pump quits work, it is to avoid vacuum pump works long hours and damages.
After the vacuum system judging electric automobile lost efficacy, the speed of central processing unit monitors vehicle speed sensor detection, when speed is more than 30km/h, CPU sends reduction of speed instruction to electric machine controller, motor controller controls motor reduction, making car speed naturally be reduced to the comparatively safe speed of 30km/h, during vehicle deceleration, Brake lamp is lighted.Efp signal now can only make motor control vehicle in the safe speed interval of 0km/h to 30km/h. In other words, it is simply that when efp is floored, max. speed also just can only achieve 30km/h, actively reduces potential safety hazard.
After the vacuum system judging electric automobile lost efficacy, when CPU receives the brake signal that electronic brake pedal sends, the battery management system communication of CPU and electric automobile, when battery management system judges that batteries of electric automobile can charge, CPU sends control signal to electric machine controller, electric machine controller makes motor be in generating state, rotor produces to drag moment, the electric energy that stator produces directly charges to battery, thus reducing the caloric value of motor, protection motor, also more persistently or more frequently for car load braking torque can be provided, when battery management system judges that batteries of electric automobile can not charge, CPU sends control signal to electric machine controller, and motor controller controls motor reversal produces moment of torsion auxiliary braking, motor reversal, due to vehicle traction motor, rotor can not reverse immediately, and therefore, motor is in febrile state, the motor feels hot dissipation energy, under the premise ensureing motor safety, auxiliary driver be braked, until vehicle stops. so can help body constitution weak person, under less control for brake power, reach bigger car load deceleration, such that it is able to reduce security risk when vehicle vacuum system lost efficacy.
The fault message of electric automobile vacuum system is sent to high in the clouds by wireless communication module, it is simple to user checks, producer's monitoring etc.
Electric automobile vacuum system inefficacy supplementary security system also includes power module 15 and anti-clutter circuit, as shown in Figure 2, anti-clutter circuit includes inductance L, Zener diode D2, resistance R2, electric capacity C2 and electric capacity C3, the positive pole of power module 15 electrically connects with the negative electrode of Zener diode D2, resistance R2 one end, electric capacity C2 one end and inductance L one end, the anode of Zener diode D2, the resistance R2 other end and electric capacity C2 other end ground connection, the inductance L other end electrically connects with the power end of electric capacity C3 one end and CPU 1, electric capacity C3 other end ground connection. Significant component of high energy noise enters from power supply, use powerful Zener diode D2 to clamp down on the voltage of interference, consumed the interference of input by resistance R2 simultaneously, suppressed by inductance L prominent next strong jamming to enter back-end system further, effectively prevent static interference and electromagnetic interference.
Claims (6)
1. an electric automobile vacuum system inefficacy supplementary security system, it is characterized in that: including the pressure transducer (3) of CPU (1), meter lamp (2), detection electric automobile vacuum tank internal gas pressure, described CPU (1) electrically connects with the electronic brake pedal (4) of meter lamp (2), pressure transducer (3) and electric automobile, electric machine controller (5), vacuum pump (6), battery management system (14) respectively.
2. a kind of electric automobile vacuum system inefficacy supplementary security system according to claim 1, it is characterised in that: described CPU (1) also electrically connects with the Brake lamp (7) of electric automobile.
3. a kind of electric automobile vacuum system inefficacy supplementary security system according to claim 1, it is characterised in that: also including the hydropac lamp (8) being arranged on outside electric automobile, described hydropac lamp (8) electrically connects with CPU (1).
4. a kind of electric automobile vacuum system inefficacy supplementary security system according to claim 1 or 2 or 3, it is characterized in that: also including the vehicle speed sensor (10) of detection electric automobile speed, described vehicle speed sensor (10) electrically connects with CPU (1).
5. a kind of electric automobile vacuum system inefficacy supplementary security system according to claim 1 or 2 or 3, it is characterised in that: also including voice guard (11), described voice guard (11) electrically connects with CPU (1).
6. a kind of electric automobile vacuum system inefficacy supplementary security system according to claim 1 or 2 or 3, it is characterised in that: also including wireless communication module (12), described wireless communication module (12) electrically connects with CPU (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521086334.1U CN205311592U (en) | 2015-12-24 | 2015-12-24 | Electric automobile vacuum system became invalid and assisted safety coefficient |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521086334.1U CN205311592U (en) | 2015-12-24 | 2015-12-24 | Electric automobile vacuum system became invalid and assisted safety coefficient |
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| Publication Number | Publication Date |
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| CN205311592U true CN205311592U (en) | 2016-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521086334.1U Expired - Fee Related CN205311592U (en) | 2015-12-24 | 2015-12-24 | Electric automobile vacuum system became invalid and assisted safety coefficient |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105523031A (en) * | 2015-12-24 | 2016-04-27 | 北京电咖汽车科技有限公司杭州分公司 | Auxiliary safety system used during failure of vacuum system of electric automobile and control method of auxiliary safety system |
| CN111319600A (en) * | 2018-12-13 | 2020-06-23 | 北京宝沃汽车有限公司 | Method and device for detecting braking efficiency and automobile |
-
2015
- 2015-12-24 CN CN201521086334.1U patent/CN205311592U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105523031A (en) * | 2015-12-24 | 2016-04-27 | 北京电咖汽车科技有限公司杭州分公司 | Auxiliary safety system used during failure of vacuum system of electric automobile and control method of auxiliary safety system |
| CN105523031B (en) * | 2015-12-24 | 2019-01-08 | 浙江电咖汽车科技有限公司 | A kind of electric car vacuum system failure supplementary security system and its control method |
| CN111319600A (en) * | 2018-12-13 | 2020-06-23 | 北京宝沃汽车有限公司 | Method and device for detecting braking efficiency and automobile |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180124 Address after: 312000 Zhejiang city of Shaoxing Province coastal city Shangyu District Hai Zhen Ma Huanlu No. 398 Science Park building A room 1403-1 Patentee after: Zhejiang electric caffeine science and Technology Co.,Ltd. Address before: 310000 No. 7, No. 260, No. 6 street, Baiyang street, Hangzhou economic and Technological Development Zone, Hangzhou, Zhejiang Patentee before: HANGZHOU BRANCH, BEIJING DIANKA AUTOMOTIVE TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 312000 Zhejiang city of Shaoxing Province coastal city Shangyu District Hai Zhen Ma Huanlu No. 398 Science Park building A room 1403-1 Patentee after: Tianji Automobile Technology Group Co.,Ltd. Address before: 312000 Zhejiang city of Shaoxing Province coastal city Shangyu District Hai Zhen Ma Huanlu No. 398 Science Park building A room 1403-1 Patentee before: Zhejiang electric caffeine science and Technology Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200918 Address after: Room 1001, 10 / F, building F1, Lugu Yuyuan, No.27 Wenxuan Road, Changsha high tech Development Zone, Changsha City, Hunan Province Patentee after: Changsha Dianka Auto Parts Manufacturing Co.,Ltd. Address before: 312000 Zhejiang city of Shaoxing Province coastal city Shangyu District Hai Zhen Ma Huanlu No. 398 Science Park building A room 1403-1 Patentee before: Tianji Automobile Technology Group Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160615 |
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| CF01 | Termination of patent right due to non-payment of annual fee |