CN203078324U - Safety device of battery pack of electric vehicle - Google Patents
Safety device of battery pack of electric vehicle Download PDFInfo
- Publication number
- CN203078324U CN203078324U CN2012207380474U CN201220738047U CN203078324U CN 203078324 U CN203078324 U CN 203078324U CN 2012207380474 U CN2012207380474 U CN 2012207380474U CN 201220738047 U CN201220738047 U CN 201220738047U CN 203078324 U CN203078324 U CN 203078324U
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- CN
- China
- Prior art keywords
- safety device
- electric automobile
- batteries
- power brick
- automobile bag
- 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
- 230000002159 abnormal effect Effects 0.000 claims abstract description 21
- 239000011449 brick Substances 0.000 claims description 54
- 239000000779 smoke Substances 0.000 claims description 21
- 239000003063 flame retardant Substances 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 230000006866 deterioration Effects 0.000 abstract description 3
- 238000004880 explosion Methods 0.000 abstract 1
- 230000002265 prevention Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000410 antimony oxide Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Images
Classifications
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Battery Mounting, Suspending (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model discloses a safety device of a battery pack of an electric vehicle. The safety device of the battery pack of the electric vehicle comprises a management controller, a temperature sensor and a relay, wherein the temperature sensor is used for monitoring the internal temperature of the battery pack, the relay is used for protecting circuits, and both the temperature sensor and the relay are connected with the management controller. Therefore, the safety device of the battery pack of the electric vehicle can monitor the situation of smog and the internal temperature at the position of the battery pack, can discover abnormal condition in time, conducts corresponding treatment on the abnormal condition, avoids further deterioration of the abnormal condition, achieves prevention of burning and explosion or fire extinguishing of the battery pack, and effectively protects the battery pack and the whole electric vehicle.
Description
Technical field
The utility model relates to the electronlmobil field, relates in particular to a kind of batteries of electric automobile bag safety device.
Background technology
Along with the exhaustion day by day of global warming and oil resources, each cart enterprise numerous and confused development new-energy automobile of the whole world; Wherein, pure electric automobile is cheap by means of its zero pollution, use cost, becomes the first-selection of each cart enterprise.
Lithium-ion-power cell bag as present electronlmobil major impetus source, the circuit of power brick belongs to high voltage circuit usually, battery in its integrated component, heater strip all have and cause the too high and possibility of burning, exploding of power brick temperature, become a very big potential safety hazard of electronlmobil, bring serious threat for people's life security.
In the prior art, for preventing burning of batteries of electric automobile bag or blast, what take is to increase fuse or wire fuse at each integrated device such as battery, heater strip, and does not have the dangerous measure that takes place of prejudging.
The utility model content
The utility model embodiment technical matters to be solved is, a kind of batteries of electric automobile bag safety device is provided, this device can be monitored the smog situation and the internal temperature at power brick place, unusual circumstance in time, and abnormal condition are made respective handling, avoid abnormal condition further to worsen.
In order to solve the problems of the technologies described above, the utility model provides a kind of batteries of electric automobile bag safety device, the relay that comprises Management Controller, is used to monitor the temperature sensor of power brick internal temperature and is used for circuit protection; Described temperature sensor and relay all are connected with described Management Controller.
As the improvement of such scheme, described batteries of electric automobile bag safety device also comprises the Smoke Sensor that is used to monitor described power brick place smog situation, and described Smoke Sensor is connected with Management Controller.
As the improvement of such scheme, described batteries of electric automobile bag safety device also comprises the annunciator that sends alerting signal when being used for power brick abnormal condition occur, and described annunciator is connected with Management Controller.
As the improvement of such scheme, described batteries of electric automobile bag safety device also comprises the flame-retarding fire-extinguishing cover plate, and described flame-retarding fire-extinguishing cover plate is located on the high-temperature component in the described power brick.
As the improvement of such scheme, described flame-retarding fire-extinguishing cover plate comprises housing and is located at the interior fire retardant of described housing.
As the improvement of such scheme, described batteries of electric automobile bag safety device also comprises the storage battery that is used for providing power supply to Management Controller, temperature sensor, Smoke Sensor and annunciator.
As the improvement of such scheme, described batteries of electric automobile bag safety device also comprises the chopper circuit that is used for the vdc of power brick is converted to the required vdc of described storage battery.
The enforcement the beneficial effects of the utility model are: the relay that this device comprises Management Controller, is used to monitor the temperature sensor of power brick internal temperature and is used for circuit protection also comprises the Smoke Sensor and the annunciator that is used for sending when abnormal condition appear in power brick alerting signal that are used to monitor described power brick place smog situation; When abnormal condition appear in the smog at temperature sensor or Smoke Sensor monitoring power brick place or internal temperature, temperature sensor or Smoke Sensor can feed back to Management Controller with abnormal condition, after the abnormal condition that Management Controller is come to feedback are handled, Management Controller is to annunciator and relay sending controling instruction, relay is made the circuit protection action, annunciator sends alerting signal to remind the user simultaneously, avoids unusual further deterioration; This device also comprises the flame-retarding fire-extinguishing cover plate, is provided with fire retardant in the housing of described flame-retarding fire-extinguishing cover plate, and when the temperature in the power brick reached certain value, housing can melt fire retardant is released on the high-temperature component in the power brick, to prevent high temperature blast on fire.Therefore; the utility model can be monitored the smog situation and the internal temperature at power brick place; unusual circumstance in time; and abnormal condition are made respective handling; avoid abnormal condition further to worsen; realized to power brick anti-burning in advance, the blast or the fire extinguishing, protect power brick and whole electric automobile effectively.
Description of drawings
Fig. 1 is the structural representation of a kind of batteries of electric automobile bag of the utility model safety device;
Fig. 2 is another structural representation of a kind of batteries of electric automobile bag of the utility model safety device;
Fig. 3 is another structural representation of a kind of batteries of electric automobile bag of the utility model safety device;
Fig. 4 is another structural representation of a kind of batteries of electric automobile bag of the utility model safety device.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, a kind of batteries of electric automobile bag of the utility model safety device, the relay 3 that comprises Management Controller 2, is used to monitor the temperature sensor 4 of power brick 1 internal temperature and is used for circuit protection; Described temperature sensor 4 and relay 3 all are connected with described Management Controller 2.
Need to prove, temperature sensor 4 communicates to connect with Management Controller 2, described temperature sensor 4 is monitored the temperature in the power brick 1 in real time, and monitoring information fed back to Management Controller 2,2 pairs of feedback informations of Management Controller are handled, and judge whether the temperature in the power brick 1 reaches preset value; When the temperature in the power brick 1 reached preset value, Management Controller 2 was to relay 3 sending controling instructions, and relay 3 is made the action that disconnects power brick 1 output circuit, raise to stop the temperature in the power brick 1 again.Preferably, the data acquisition parts of temperature sensor 4 can be connected in the surface or the electrode tip of the battery of power brick interior 1, or power brick 1 and outside bonded assembly input end or mouth; In addition, temperature sensor 4 can be provided with a plurality of, can be to all or part of temperature acquisition that carries out of battery in the power brick 1, and at this moment, highest temperature that desirable multiple spot is gathered or aviation value are as the internal temperature of power brick 1.
As shown in Figure 2, described batteries of electric automobile bag safety device also comprises the Smoke Sensor 5 that is used to monitor described power brick 1 place's smog situation, and described Smoke Sensor 5 is connected with Management Controller 2.
Need to prove, Smoke Sensor 5 communicates to connect with Management Controller 2, and described Smoke Sensor 5 is monitored the smog situation at power brick 1 place, and monitoring information is fed back to Management Controller 2 in real time, 2 pairs of feedback informations of Management Controller are handled, and make corresponding control command then; When power brick 1 place occurs distributing smog when unusual instantaneous temperature raises burning, Smoke Sensor 5 can detect, and these detected abnormal condition are fed back to Management Controller 2, after 2 pairs of information of Management Controller are handled, to relay 3 sending controling instructions, relay 3 is made the action that disconnects power brick 1 output circuit, further worsens to stop the situation in the power brick 1.
As shown in Figure 3, described batteries of electric automobile bag safety device also comprises the annunciator 6 that sends alerting signal when being used for power brick abnormal condition occur, and described annunciator 6 is connected with Management Controller 2.
Need to prove, when 1 temperature reaches first preset value or Smoke Sensor 5 and has detected smog in Management Controller 2 is judged power brick, Management Controller 2 is in relay 3 sending controling instructions, also can send alarm command to annunciator 6, annunciator 6 and send alerting signal is to remind the user.
More preferably, described batteries of electric automobile bag safety device also comprises the flame-retarding fire-extinguishing cover plate, and described flame-retarding fire-extinguishing cover plate is located on the high-temperature component in the described power brick 1.
Need to prove that when power brick 1 temperature reached certain value, the flame-retarding fire-extinguishing cover plate promptly can start, too high and catching fire takes place or directly put out a fire to stop temperature.
More preferably, described flame-retarding fire-extinguishing cover plate comprises housing and is located at the interior fire retardant of described housing.
Need to prove, described fire retardant can be antimony oxide or magnesium hydroxide, described housing is that low melting material is made, when the temperature in the power brick 1 reaches certain value, housing promptly can melt, fire retardant is discharged, cover on the high-temperature component, too high and catching fire takes place or directly put out a fire to stop the high-temperature component temperature; The temperature of described definite value is greater than the temperature of described preset value.
As shown in Figure 4, described batteries of electric automobile bag safety device also comprises the storage battery 8 that is used for providing power supply to Management Controller 2, temperature sensor 4, Smoke Sensor 5 and annunciator 6.
Need to prove, but Management Controller 2, temperature sensor 4, Smoke Sensor 5 and annunciator 6 independent storage battery 8 of each self-configuring all also can all be connected on the same storage battery 8.Storage battery 8 can regularly replace, and also can directly connect power brick 1 and charge.
More preferably, described batteries of electric automobile bag safety device comprises that also the vdc that is used for power brick 11 is converted to the chopper circuit 7 of the required vdc of described storage battery 8.
Need to prove that the input end of storage battery 8 connects the mouth of chopper circuit 7, the input end of chopper circuit 7 connects the mouth of power brick 1; The setting of chopper circuit 7 can make circuit simpler, and it is convenient to use.
In addition, described temperature sensor 4, Smoke Sensor 5 and annunciator 6 can the independent or combination in any settings according to concrete needs.
As from the foregoing, the relay 3 that this device comprises Management Controller 2, is used to monitor the temperature sensor 4 of power brick 1 internal temperature and is used for circuit protection also comprises the Smoke Sensor 5 and the annunciator 6 that is used for sending when abnormal condition appear in power brick 1 alerting signal that are used to monitor described power brick 1 place's smog situation; When abnormal condition appear in the smog at temperature sensor 4 or Smoke Sensor 5 monitoring power brick 1 place or internal temperature, temperature sensor 4 or Smoke Sensor 5 can feed back to Management Controller 2 with abnormal condition, after the abnormal condition that 2 pairs of feedbacks of Management Controller are come are handled, Management Controller 2 is to annunciator 6 and relay 3 sending controling instructions, relay 3 is made the circuit protection action, annunciator 6 sends alerting signal to remind the user simultaneously, avoids unusual further deterioration; This device also comprises the flame-retarding fire-extinguishing cover plate, is provided with fire retardant in the housing of described flame-retarding fire-extinguishing cover plate, and when the temperature in the power brick 1 reached certain value, housing can melt fire retardant is released on the high-temperature component in the power brick 1, to prevent high temperature blast on fire.Therefore; the utility model can be monitored the smog situation and the internal temperature at power brick 1 place; unusual circumstance in time; and abnormal condition are made respective handling; avoid abnormal condition further to worsen; realized to power brick 1 anti-burning in advance, the blast or the fire extinguishing, protect power brick 1 and whole electric automobile effectively.
The above is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection domain of the present utility model.
Claims (7)
1. a batteries of electric automobile bag safety device is characterized in that, the relay that comprises Management Controller, is used to monitor the temperature sensor of power brick internal temperature and is used for circuit protection; Described temperature sensor and relay all are connected with described Management Controller.
2. batteries of electric automobile bag safety device as claimed in claim 1 is characterized in that, described batteries of electric automobile bag safety device also comprises the Smoke Sensor that is used to monitor described power brick place smog situation, and described Smoke Sensor is connected with Management Controller.
3. as the described batteries of electric automobile bag of claim 1 safety device, it is characterized in that described batteries of electric automobile bag safety device also comprises the annunciator that sends alerting signal when being used for power brick abnormal condition occur, described annunciator is connected with Management Controller.
4. as each described batteries of electric automobile bag safety device of claim 1 ~ 3, it is characterized in that described batteries of electric automobile bag safety device also comprises the flame-retarding fire-extinguishing cover plate, described flame-retarding fire-extinguishing cover plate is located on the high-temperature component in the described power brick.
5. batteries of electric automobile bag safety device as claimed in claim 4 is characterized in that, described flame-retarding fire-extinguishing cover plate comprises housing and is located at the interior fire retardant of described housing.
6. as each described batteries of electric automobile bag safety device of claim 1 ~ 3, it is characterized in that described batteries of electric automobile bag safety device also comprises the storage battery that is used for providing power supply to Management Controller, temperature sensor, Smoke Sensor and annunciator.
7. batteries of electric automobile bag safety device as claimed in claim 6 is characterized in that, described batteries of electric automobile bag safety device also comprises the chopper circuit that is used for the vdc of power brick is converted to the required vdc of described storage battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207380474U CN203078324U (en) | 2012-12-28 | 2012-12-28 | Safety device of battery pack of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207380474U CN203078324U (en) | 2012-12-28 | 2012-12-28 | Safety device of battery pack of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203078324U true CN203078324U (en) | 2013-07-24 |
Family
ID=48824189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207380474U Expired - Fee Related CN203078324U (en) | 2012-12-28 | 2012-12-28 | Safety device of battery pack of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203078324U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490026A (en) * | 2013-09-27 | 2014-01-01 | 国家电网公司 | Safety protection structure for storage battery |
| CN103812091A (en) * | 2014-02-22 | 2014-05-21 | 中山市六源通电子科技有限公司 | A lithium battery pack protection device |
| CN106536265A (en) * | 2014-07-24 | 2017-03-22 | 罗伯特·博世有限公司 | Method for operating an assistance system of a vehicle with at least one electrical energy store |
| CN106910949A (en) * | 2017-03-13 | 2017-06-30 | 江苏聚合新能源科技有限公司 | A kind of temperature treatment control method of lithium ion battery bag |
| WO2017143748A1 (en) * | 2016-02-25 | 2017-08-31 | 比亚迪股份有限公司 | Power battery, protection system thereof, and electric vehicle |
| CN109045514A (en) * | 2018-07-27 | 2018-12-21 | 上海精虹新能源科技有限公司 | Fire-retarding device and its method, electric car |
| CN113452094A (en) * | 2020-03-24 | 2021-09-28 | 博众精工科技股份有限公司 | Fire-fighting isolation method for charging bin and battery pack isolation structure for charging bin |
-
2012
- 2012-12-28 CN CN2012207380474U patent/CN203078324U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103490026A (en) * | 2013-09-27 | 2014-01-01 | 国家电网公司 | Safety protection structure for storage battery |
| CN103812091A (en) * | 2014-02-22 | 2014-05-21 | 中山市六源通电子科技有限公司 | A lithium battery pack protection device |
| CN106536265A (en) * | 2014-07-24 | 2017-03-22 | 罗伯特·博世有限公司 | Method for operating an assistance system of a vehicle with at least one electrical energy store |
| CN106536265B (en) * | 2014-07-24 | 2019-09-03 | 罗伯特·博世有限公司 | Method for running the auxiliary system of the vehicle at least one electricity accumulator |
| WO2017143748A1 (en) * | 2016-02-25 | 2017-08-31 | 比亚迪股份有限公司 | Power battery, protection system thereof, and electric vehicle |
| CN106910949A (en) * | 2017-03-13 | 2017-06-30 | 江苏聚合新能源科技有限公司 | A kind of temperature treatment control method of lithium ion battery bag |
| CN106910949B (en) * | 2017-03-13 | 2020-01-10 | 江苏聚合新能源科技有限公司 | Temperature management control method for lithium ion battery pack |
| CN109045514A (en) * | 2018-07-27 | 2018-12-21 | 上海精虹新能源科技有限公司 | Fire-retarding device and its method, electric car |
| CN113452094A (en) * | 2020-03-24 | 2021-09-28 | 博众精工科技股份有限公司 | Fire-fighting isolation method for charging bin and battery pack isolation structure for charging bin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20141228 |
|
| EXPY | Termination of patent right or utility model |