CN203611768U - High-voltage safety monitor device for blade electric vehicle - Google Patents
High-voltage safety monitor device for blade electric vehicle Download PDFInfo
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- CN203611768U CN203611768U CN201320849457.0U CN201320849457U CN203611768U CN 203611768 U CN203611768 U CN 203611768U CN 201320849457 U CN201320849457 U CN 201320849457U CN 203611768 U CN203611768 U CN 203611768U
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- 238000001514 detection method Methods 0.000 claims abstract description 80
- 238000009413 insulation Methods 0.000 claims abstract description 12
- 239000000779 smoke Substances 0.000 claims abstract description 8
- 239000011449 brick Substances 0.000 claims description 13
- 238000012544 monitoring process Methods 0.000 claims description 8
- 230000001133 acceleration Effects 0.000 claims description 6
- 206010000369 Accident Diseases 0.000 abstract description 2
- 238000007726 management method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 206010016766 flatulence Diseases 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The utility model discloses a high-voltage safety monitor device for a blade electric vehicle. The high-voltage safety monitor device comprises a main control module, a smoke alarm detection module, a collision detection module, a pressure detection module, a battery box locking detection module, a pre-charging protection module, a current detection module, a high-voltage interlocking detection module, an electronic control switch detection module, an insulation detection module, a voltage detection module and a temperature detection module, wherein the smoke alarm detection module, the collision detection module, the pressure detection module, the battery box locking detection module, the pre-charging protection module, the current detection module, the high-voltage interlocking detection module, the electronic control switch detection module, the insulation detection module, the voltage detection module and the temperature detection module are connected with the main control module. The high-voltage safety monitor device has the advantages that electric leakage and the like can be effectively prevented from injuring personnel making contact with the electric vehicle, the personal safety of drivers and people riding on the electric vehicle is protected, high-voltage working equipment can be monitored in real time so that the working condition of the high-voltage equipment can be mastered, protection measures can be taken timely when failure occurs so that the equipment can be prevented from being damaged, fatal accidents and fire accidents are reduced, and property loss is lowered to the minimum degree.
Description
Technical field
This real utility model relates to a kind of pure electric automobile high-voltage safety control monitor unit.
Background technology
Along with expanding economy, the energy and environmental issue become increasingly conspicuous, and countries in the world have all turned one's attention to environmental protection and energy-conservation pure electric automobile.And a high voltage circuit that important feature is exactly the in-built guaranteed enough tractive performancies of car of pure electric automobile, it jeopardizes the use safety of personal safety and on-board high-voltage current consumer up to voltage more than 300V.The running current of high-pressure system may reach tens of, even hundreds of ampere, in the time of instantaneous short-circuit, discharge current is multiplied especially.Therefore, during in design, planning high voltage power system with to the type selecting of high-pressure system vitals, not only should fully meet car load power driven requirement, also must guarantee vehicle operating safety, driver and crew's safety and vehicle operating Environmental security.The major issue that must solve when therefore the management of the high-voltage electric system to pure electric automobile and safety have become pure electric automobile research and design.
Summary of the invention
In order to address the above problem, the utility model provides a kind of design plan of pure electric automobile high-voltage safety control monitor unit.
A kind of pure electric automobile high-voltage safety control monitor unit; comprise main control module; also comprise the smog alarm detection module being connected with main control module respectively, impact detection module, pressure detection module, battery box are tightly locked detection module, precharge protection module, current detection module, high-voltage interlocking detection module, electric-controlled switch detection module, insulation monitoring module, voltage detection module and temperature detecting module.
Described smog alarm detection module comprises one or more contact output Smoke Sensors.
Described impact detection module comprises acceleration pick-up or collision detection sensor.
Described pressure detection module comprises the contact-point pressure sensor that is installed on power brick inside.
Described battery box is tightly locked detection module and is comprised one or more normally closed travel switches that are arranged at power brick surface.
Described current detection module comprises current detecting control unit and the connected current sensor of difference and power supply main contactor; Described power supply main contactor is serially connected with on power supply input channel.
Described electric-controlled switch detection module is connected with power supply main contactor, comprises that controller is detected in the contact for controlling the folding of power supply main contactor.Described precharge protection module comprises a pre-charge circuit.
Described insulation monitoring module comprises volt meter and the amperemeter/ammtr for detection of the positive pole of battery and negative pole and vehicle chassis.
Described voltage detection module comprises the high-tension voltmeter for detection of powered battery voltage.
Described temperature detecting module comprises and is arranged at power brick inner first or multiple temperature sensor.
In sum, the utlity model has following beneficial effect: (1) effectively prevents that the personnel of the situation docking electric shock electrical automobiles such as electric leakage from damaging, the personal safety of the driving of protection electronlmobil and passenger; (2) can, to high-pressure work equipment is carried out to Real-Time Monitoring, grasp the service condition of high-tension apparatus, run into fault and take in time safety method, the equipment of preventing is damaged; Reduce the generation of fatal accident, fire accident, property damage is down to minimum.
Accompanying drawing explanation
Fig. 1 is the structural representation of pure electric automobile high-voltage safety control monitor unit described in the utility model.
The specific embodiment
In order to allow those skilled in the art understand better the technical solution of the utility model, below in conjunction with accompanying drawing, the utility model is further elaborated.
As shown in Figure 1; the utility model has disclosed and the invention provides a kind of pure electric automobile high-voltage safety control monitor unit; comprise main control module; the smog alarm detection module being connected with main control module respectively, impact detection module, pressure detection module, battery box are tightly locked detection module, precharge protection module, current detection module, high-voltage interlocking detection module, electric-controlled switch detection module, insulation monitoring module, voltage detection module and temperature detecting module.
Smog alarm detection module comprises one or more contact output Smoke Sensors, when contact, output Smoke Sensor detects smog fault, smoke alarm often open alarm actuating contact closure, main control module just can detect from smoke alarm detection signal, just can confirm to occur smog alarm fault by this signal.
Impact detection module integration acceleration pick-up, by the accekeration detecting of acceleration pick-up Real-time Obtaining acceleration pick-up, in the time detecting that acceleration/accel exceedes certain threshold value, main control module just can judge the fault that bumps.Also can adopt the collision detection sensor (as impact switch) of a support contact output, when bumping, the open contact closure of collision detection sensor, main control module just can detect the signal from collision detection sensor, just can confirm to occur collision fault by this signal.
Pressure detection module is by being installed on the contact-point pressure sensor detected pressures value of power brick inside, in the time there is serious displacement or battery core generation tympanites in the battery core in power brick, the internal pressure generation drastic change of power brick, the open contact closure of contact-point pressure sensor, now just produce a signal and be sent to main control module, main control module just can confirm to occur that by this signal power brick is subjected to displacement or battery core generation tympanites equivalent damage.Now main control module just can be notified the operation that discharges and recharges that battery management system stops battery, protection user's personal safety as well as the property safety.Contact-point pressure sensor bulk is little, and the space that takies battery system is few, does not affect the air channel of battery system.
Battery box is tightly locked detection module and is comprised one or more normally closed travel switches that are arranged at battery box (being power brick) surface.In the time that loosening, distortion appears in battery box, normally closed travel switch disconnects, and main control module detects the protection operation such as high voltage supply that just stops battery system after normally closed travel switch disconnects.
Precharge protection module is in fact a pre-charge circuit; the breakdown of equipment that exists a large amount of capacitive loads in the current supply circuit of pure electric automobile high-voltage electric system and may occur; if do not take actv. countrmeasure in high voltage circuit connection process; connect moment at high voltage circuit; will cause instantaneous upper surge to whole high-pressure system circuit; even damage equipment, jeopardize vehicle and personal safety.Pre-charge process impacts alleviating high-pressure system, raising vehicle security is necessary.
High-voltage interlocking detection module is interlock protection circuit (interlocking testing circuit etc. as IGBT); guarantee the reliable connection of high-voltage power supply circuit by interlock protection circuit; the safety of operating personal while guaranteeing electric automobile high-voltage component maintenance; promote the promptness of emergency processing and the potential safety hazard of having avoided battery management system surpressure to cut off, also avoided the band of battery system to carry the damage of cutting off battery system high-voltage relay and consuming parts.
Current detection module comprises current detecting control unit and the connected current sensor of difference and power supply main contactor; Described power supply main contactor is serially connected with on power supply input channel.In the time that the main circuit current of battery system is excessive, may cause power device to damage, and jeopardize the safety of high-voltage electric system.Now, detect main circuit current by current sensor, in the time that electric current is excessive, just can disconnect power supply main contactor by current detecting control unit.
For meeting the demand of whole vehicle functions control and the automatic tripping protection of high-voltage electrical apparatus; in the high-voltage electric system of pure electric automobile, must guarantee that the power supply main contactor of major loop can normally work; therefore; the utility model is provided with electric-controlled switch detection module; it is connected with power supply main contactor, comprises that controller is detected in the contact for controlling the folding of power supply main contactor.When test, detect the folding of controller control power supply main contactor by contact, if the failure warning of power supply main contactor is sent in the normally folding of power supply master controller.
Because the operating voltage of the battery system (electrokinetic cell) of electronlmobil is generally more than direct current 300V, higher operating voltage is had higher requirement to the insulating power between high-voltage system and vehicle chassis.The utility model detects insulating power by insulation monitoring module.Insulation monitoring module comprises volt meter and the amperemeter/ammtr for detection of the positive pole of battery and negative pole and vehicle chassis.Can calculate positive pole to car body, the insulation resistance of negative pole to car body according to detected magnitude of voltage and current value, and differentiate the insulation situation of car body according to the resistance of insulation resistance.
Because the voltage of electrokinetic cell and the discharge capability of electrokinetic cell and discharge efficiency have very large relation, if in the situation that electrokinetic cell voltage is lower still with nominal discharge current or larger current discharge, will damage electrokinetic cell and high pressure consumer.Therefore, in order to ensure the safety of pure electric automobile current consumer and power accumulator when the power accumulator low pressure, the utility model is provided with detection voltage detection module, and it comprises the high-tension voltmeter for detection of powered battery voltage.Main control module can judge that this voltage is whether within safe range according to detecting magnitude of voltage that voltage detection module obtains, and can send corresponding alarm to battery management system.
Batteries of electric automobile has different serviceabilitys at different temperature, and the optimum working temperature of lithium ion battery is 25 ~ 40 ℃.The variation of temperature can make SOC, open circuit voltage, internal resistance and the useful capacity of battery change, and even can affect the service life of battery.Therefore, the utility model is also provided with temperature detecting module, and it comprises and is arranged at power brick inner first or multiple temperature sensor, and the temperature of power brick is detected.
The utility model is that the part of recording in detail all adopts known technology.
The present embodiment is more excellent embodiment of the present utility model, and the part not being described in detail all adopts known mature technology.It should be noted that; in the situation that not deviating from the utility model spirit and essence thereof; those of ordinary skill in the art are when making various corresponding changes and distortion according to the utility model, but these changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (10)
1. a pure electric automobile high-voltage safety control monitor unit; comprise main control module; it is characterized in that; also comprise the smog alarm detection module being connected with main control module respectively, impact detection module, pressure detection module, battery box are tightly locked detection module, precharge protection module, current detection module, high-voltage interlocking detection module, electric-controlled switch detection module, insulation monitoring module, voltage detection module and temperature detecting module.
2. a kind of pure electric automobile high-voltage safety control monitor unit according to claim 1, is characterized in that, described smog alarm detection module comprises one or more contact output Smoke Sensors.
3. a kind of pure electric automobile high-voltage safety control monitor unit according to claim 2, is characterized in that, described impact detection module comprises acceleration pick-up or collision detection sensor.
4. a kind of pure electric automobile high-voltage safety control monitor unit according to claim 3, is characterized in that, described pressure detection module comprises the contact-point pressure sensor that is installed on power brick inside.
5. a kind of pure electric automobile high-voltage safety control monitor unit according to claim 4, is characterized in that, described battery box is tightly locked detection module and comprised one or more normally closed travel switches that are arranged at power brick surface.
6. a kind of pure electric automobile high-voltage safety control monitor unit according to claim 5, is characterized in that, described current detection module comprises current detecting control unit and the connected current sensor of difference and power supply main contactor; Described power supply main contactor is serially connected with on power supply input channel.
7. a kind of pure electric automobile high-voltage safety control monitor unit according to claim 6, is characterized in that, described electric-controlled switch detection module is connected with power supply main contactor, comprises that controller is detected in the contact for controlling the folding of power supply main contactor.
8. a kind of pure electric automobile high-voltage safety control monitor unit according to claim 7, is characterized in that, described insulation monitoring module comprises volt meter and the amperemeter/ammtr for detection of the positive pole of battery and negative pole and vehicle chassis.
9. a kind of pure electric automobile high-voltage safety control monitor unit according to claim 8, is characterized in that, described voltage detection module comprises the high-tension voltmeter for detection of powered battery voltage.
10. a kind of pure electric automobile high-voltage safety control monitor unit according to claim 9, is characterized in that, described temperature detecting module comprises and is arranged at power brick inner first or multiple temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320849457.0U CN203611768U (en) | 2013-12-20 | 2013-12-20 | High-voltage safety monitor device for blade electric vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320849457.0U CN203611768U (en) | 2013-12-20 | 2013-12-20 | High-voltage safety monitor device for blade electric vehicle |
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| CN203611768U true CN203611768U (en) | 2014-05-28 |
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| CN201320849457.0U Expired - Lifetime CN203611768U (en) | 2013-12-20 | 2013-12-20 | High-voltage safety monitor device for blade electric vehicle |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104253415A (en) * | 2014-08-22 | 2014-12-31 | 浙江超威创元实业有限公司 | Battery protection system with multiple protection functions |
| CN104574877A (en) * | 2015-01-15 | 2015-04-29 | 龙文凯 | Vehicle-mounted alarming system based on internet of things |
| CN105774558A (en) * | 2016-03-17 | 2016-07-20 | 北京航空航天大学 | Integrated safety detection device for electric automobile |
| CN106240374A (en) * | 2016-08-17 | 2016-12-21 | 厦门金龙旅行车有限公司 | The safety management system of a kind of new-energy automobile and method |
| CN106427621A (en) * | 2016-09-30 | 2017-02-22 | 奇瑞汽车股份有限公司 | High-voltage loop control device and method for electric automobile |
| CN106740592A (en) * | 2016-12-27 | 2017-05-31 | 安徽本纪智能科技有限公司 | A kind of intelligent comprehensive protection system of new-energy automobile |
| CN107225974A (en) * | 2017-06-09 | 2017-10-03 | 上海电机学院 | A kind of electric car high-voltage safety management system |
| CN108362961A (en) * | 2018-01-31 | 2018-08-03 | 蔚来汽车有限公司 | Method and system for measuring parameter of automobile high voltage device when by hitting |
| CN108663628A (en) * | 2018-04-02 | 2018-10-16 | 上汽大众汽车有限公司 | A kind of high-tension battery packet Portable multifunctional tester |
| CN110077276A (en) * | 2019-04-24 | 2019-08-02 | 东风汽车集团有限公司 | Pure electric automobile is with can expand power supply quick-change system and method |
| CN110087937A (en) * | 2016-12-07 | 2019-08-02 | 舍唐·库马尔·马伊尼 | Rechargeable battery management system |
| CN110356238A (en) * | 2019-07-26 | 2019-10-22 | 浙江博千科技有限公司 | A kind of new energy electric machine controller circuit fault detection method |
| CN110703071A (en) * | 2019-09-27 | 2020-01-17 | 福建星云电子股份有限公司 | BMS circuit testing system and testing method |
| CN112462163A (en) * | 2020-10-30 | 2021-03-09 | 广州汽车集团股份有限公司 | High-voltage interlocking loop fault detection method and device |
-
2013
- 2013-12-20 CN CN201320849457.0U patent/CN203611768U/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104253415B (en) * | 2014-08-22 | 2018-05-04 | 浙江超威创元实业有限公司 | A kind of battery protection system with multiple protection functions |
| CN104253415A (en) * | 2014-08-22 | 2014-12-31 | 浙江超威创元实业有限公司 | Battery protection system with multiple protection functions |
| CN104574877A (en) * | 2015-01-15 | 2015-04-29 | 龙文凯 | Vehicle-mounted alarming system based on internet of things |
| CN105774558A (en) * | 2016-03-17 | 2016-07-20 | 北京航空航天大学 | Integrated safety detection device for electric automobile |
| CN106240374A (en) * | 2016-08-17 | 2016-12-21 | 厦门金龙旅行车有限公司 | The safety management system of a kind of new-energy automobile and method |
| CN106427621A (en) * | 2016-09-30 | 2017-02-22 | 奇瑞汽车股份有限公司 | High-voltage loop control device and method for electric automobile |
| CN106427621B (en) * | 2016-09-30 | 2019-07-09 | 奇瑞汽车股份有限公司 | A kind of high voltage loop of electric automobile control device and method |
| CN110087937A (en) * | 2016-12-07 | 2019-08-02 | 舍唐·库马尔·马伊尼 | Rechargeable battery management system |
| CN106740592A (en) * | 2016-12-27 | 2017-05-31 | 安徽本纪智能科技有限公司 | A kind of intelligent comprehensive protection system of new-energy automobile |
| CN107225974A (en) * | 2017-06-09 | 2017-10-03 | 上海电机学院 | A kind of electric car high-voltage safety management system |
| CN108362961A (en) * | 2018-01-31 | 2018-08-03 | 蔚来汽车有限公司 | Method and system for measuring parameter of automobile high voltage device when by hitting |
| CN108663628A (en) * | 2018-04-02 | 2018-10-16 | 上汽大众汽车有限公司 | A kind of high-tension battery packet Portable multifunctional tester |
| CN110077276A (en) * | 2019-04-24 | 2019-08-02 | 东风汽车集团有限公司 | Pure electric automobile is with can expand power supply quick-change system and method |
| CN110077276B (en) * | 2019-04-24 | 2020-04-03 | 东风汽车集团有限公司 | Expandable power supply quick-change system and method for pure electric vehicle |
| CN110356238A (en) * | 2019-07-26 | 2019-10-22 | 浙江博千科技有限公司 | A kind of new energy electric machine controller circuit fault detection method |
| CN110703071A (en) * | 2019-09-27 | 2020-01-17 | 福建星云电子股份有限公司 | BMS circuit testing system and testing method |
| CN110703071B (en) * | 2019-09-27 | 2021-12-14 | 福建星云电子股份有限公司 | BMS circuit testing system and testing method |
| CN112462163A (en) * | 2020-10-30 | 2021-03-09 | 广州汽车集团股份有限公司 | High-voltage interlocking loop fault detection method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140528 |