CN106345085A - New energy automobile power battery safety system - Google Patents
New energy automobile power battery safety system Download PDFInfo
- Publication number
- CN106345085A CN106345085A CN201610873990.9A CN201610873990A CN106345085A CN 106345085 A CN106345085 A CN 106345085A CN 201610873990 A CN201610873990 A CN 201610873990A CN 106345085 A CN106345085 A CN 106345085A
- Authority
- CN
- China
- Prior art keywords
- energy automobile
- control unit
- new
- power battery
- automobile power
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- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Secondary Cells (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a new energy automobile power battery safety system, which comprises a control unit, an alarm sensor and a fire extinguishing apparatus, wherein the alarm sensor is arranged beside a new energy automobile power battery pack and used for detecting the environment condition of the battery pack, the alarm sensor is connected with the control unit, and the control unit is connected with the fire extinguishing device. When the alarm sensor detects that the environment condition of the battery pack exceeds a preset value, the alarm sensor can send alarm information to the control unit, and the control unit can trigger the fire extinguishing device according to the alarm information. The new energy automobile power battery pack can timely find the temperature anomaly of the power battery pack and quickly treat the temperature anomaly, so that the problem of time delay in a process between the time when the new energy automobile is on fire suddenly and the time when fire extinguishment is performed is effective solved, and the potential safety hazard is reduced.
Description
Technical field
The present invention relates to being used for used in new-energy automobile field, more particularly, to new-energy automobile preventing its battery case from
Fire and/or the electrokinetic cell security system of blast.
Background technology
Increasingly serious with problem of environmental pollution, national governments are for one of primary pollution source: vehicle exhaust
Discharge requirement more and more stricter, thus to a certain extent give new-energy automobile fast development, bring very big machine
Meet.Also make new-energy automobile, mainly new-energy automobile, initially enter popular life.
But the recoverable amount with new-energy automobile is continuously increased, the spontaneous combustion of generation and event on fire also gradually start to increase.
And among these through serious analysis, the mainly battery problems of new-energy automobile, it has become as main cause on fire.
New-energy automobile electrokinetic cell mainly includes Ni-MH battery, lithium ion battery and fuel cell three class at present.Its
In have the advantages that specific capacity is big, running voltage is high, have extended cycle life due to lithium ion battery, small volume, lightweight, at present
Become the first-selected electrokinetic cell of new-energy automobile.
During use, generally require and on new-energy automobile, a lot of cells is installed in multiple battery cases, pass through
Series and parallel forms set of cells to reach the requirement of car power source.But due to the reasons such as production technology, the capacity of each battery
Can there is certain difference with performance, the battery of the little poor performance of capacity occurred to be put phenomenon or overcharge phenomenon, is just leading to battery
Barrier film between negative plate can be breakdown and short-circuit, so produce high temperature, overheated make electrolyte vaporize, expand and make battery case break
Split, or even catch fire or the problems such as explode.
For balancing different set of cells, industry employs bms (battery management system, battery management system
System) system, it can monitor each battery voltage, electric current and temperature in real time, equalize the voltage of each cell, make in set of cells
The capacity of each cell and performance reaching unanimity as far as possible, but current bms system reliability can not high it is impossible to complete
Entirely prevent the hidden danger that new energy car battery case catches fire, explodes.
Therefore, on new-energy automobile, setting extinguishing device is necessary, and, how to realize in certain extreme cases
Fire-retardant, it is to avoid battery bag is persistently overheating and battery chain reaction is that on new-energy automobile, extinguishing device needs the technology solving to ask
Topic.
Content of the invention
It is an object of the invention to provide a kind of new-energy automobile power battery security system, it can find newly in advance in time
Abnormal conditions in the electrokinetic cell bag of energy automobile, automatically and timely it is processed.
For achieving the above object, present invention employs following technical scheme:
A kind of new-energy automobile power battery security system, it includes control unit, alarm sensor and extinguishing device；Its
Described in alarm sensor be arranged on by the battery bag of new-energy automobile, for detecting the environmental condition of described battery bag, described
Alarm sensor is connected with described control unit, and described control unit is connected with described extinguishing device；When described alarm sensor
When the environmental condition of battery bag is detected and exceeding preset value, it can be to described control unit alert, and described control
Unit processed triggers described extinguishing device according to warning message.
Further, in different embodiments, wherein said alarm sensor includes Smoke Sensor and/or temperature passes
Sensor.
Further, in different embodiments, wherein said extinguishing device includes the first extinguishing device, is stored with
Coolant, it by the first conveyance conduit, its interior coolant is transported to by battery bag.
Further, in different embodiments, wherein said first conveyance conduit is provided with the first electromagnetic valve, described
Control unit is passed through to control described first electromagnetic valve, controls described first extinguishing device to pass through pipeline cold to the conveying of described battery bag
But agent, to carry out environment temperature reduction process to it.
Further, in different embodiments, wherein said extinguishing device includes the second extinguishing device, is stored with
Extinguishing chemical, it by the second conveyance conduit, its interior extinguishing chemical is transported to by battery bag.
Further, in different embodiments, wherein said second conveyance conduit is provided with the second electromagnetic valve, described
Control unit is passed through to control described second electromagnetic valve, controls described second extinguishing device to pass through pipeline and goes out to the conveying of described battery bag
Fiery agent, to carry out environment temperature reduction process to it.
Further, in different embodiments, it also includes the memory element being connected with described control unit, is used for depositing
Storage battery bag operating time, temperature information, electric current, voltage data information.
Further, in different embodiments, the bms system also with place new-energy automobile for the wherein said control unit
Communication connects.
Further, in different embodiments, it also includes operation button, and it is connected with described control unit, is used for
Described control unit is directly notified to control described extinguishing device to carry out environment temperature reduction process.
Further, in different embodiments, the communication list also with place new-energy automobile for the wherein said control unit
Unit carries out communication and connects, for being sent to the information of battery bag temperature anomaly.
Compared to prior art, it is an advantage of the present invention that a kind of new-energy automobile power battery peace according to the present invention
Total system, it can timely find the temperature anomaly situation of the battery bag of place electric vehicle, and it can be lowered the temperature
Process, even if in the case of already burning, also can carry out quick fire extinguishing process to it, effectively solve artificial from
Find that new-energy automobile burst is caught fire to implementing problem time lag that fire extinguishing procedure exists, reduce potential safety hazard.And, can also
The early warning providing battery bag temperature anomaly is reported, and to the more time response of operator, further improves safety coefficient.
Further, the coolant that the described extinguishing device that it includes is directed to use with, enables to battery temperature and is down to
So that cell electrochemical reaction stops below electrochemical reaction temperature conditionss, thus reducing the waste of battery material, extend battery
Life-span, more environmentally-friendly.And, described extinguishing device spurts material and has strong insulating properties, will not produce secondary damage to battery, and easily
Volatilization is few to be remained, environment-protecting asepsis.
Brief description
Fig. 1 corresponds to a kind of logical structure of new-energy automobile power battery security system of present pre-ferred embodiments
Schematic diagram.
Label declaration in accompanying drawing 1:
Control unit 1 memory element 2
First electromagnetic valve 3 second electromagnetic valve 4
First extinguishing device 5 second extinguishing device 6
First conveyance conduit 7 second conveyance conduit 8
Operation button 9 communication unit 10
Smoke Sensor 11 temperature sensor 12
Specific embodiment
Below in conjunction with preferred embodiment and its accompanying drawing to a kind of new-energy automobile power battery according to the present invention it is safely
The technical scheme of system is further non-limitingly described in detail.
Refer to shown in Fig. 1, an embodiment of the invention provides a kind of new-energy automobile power battery and is safely
System, it includes control unit 1, memory element 2, the first electromagnetic valve 3, the second electromagnetic valve 4, first extinguishing device the 5, second fire extinguishing dress
Put the 6, first conveyance conduit 7, the second conveyance conduit 8, operation button 9, Smoke Sensor 11, temperature sensor 12.
Wherein, equipped with coolant in described first extinguishing device 5, it is connected to described battery by the first conveyance conduit 7
Bag is other, and described first conveyance conduit 7 is provided with the first electromagnetic valve 3 for being opened and closed pipeline.Fill in described second extinguishing device 6
Have extinguishing chemical, it is connected to by described battery bag by the second conveyance conduit 8, described second conveyance conduit 8 is provided with for
Second electromagnetic valve 4 of opening and closing pipeline.
Described memory element 2 is used for storage battery operating time, temperature information, electric current, voltage etc., controls list for described
Unit 1 inquiry.Described control unit 1 is connected with described Smoke Sensor 11 and temperature sensor 12 respectively, and receives its transmission
Data, and then control the operation of subsequently described extinguishing device 5,6.
Further, described new-energy automobile power battery security system may be installed in any proportional space, its fire extinguishing
Device 5,6 is connected to by battery bag by conveyance conduit 7,8, and is disposed about reasonably putting out a fire a little in battery bag.Described control
Unit 1 passes through to control the electromagnetic valve 3,4 being arranged on described conveyance conduit 7,8, to control described extinguishing device 5,6 to pass through pipeline
Convey coolant and extinguishing chemical to described battery bag.
Described control unit 1 also communicates and is connected with the bms system of place new-energy automobile and communication unit 10.For front
Person, it can receive the warning message from the former, and then controls described extinguishing device 5,6 to carry out battery bag environment temperature reduction process.
For the latter, its can to its transmit early warning information, with will pass through its remind occupant, well in advance prepare it is believed that
This is a kind of warning function.Specifically, when described control unit 1 finds that battery bag temperature rises too fast, can be by being located
The can bus of electric vehicle sends early warning information to described communication unit 10.
After described extinguishing device according to the present invention is triggered, in a detailed embodiment, wherein said first
Extinguishing device 5 can make the ambient temperature of abnormal battery bag rapid by pipeline to abnormal battery bag FR release coolant
Drop to electrochemical reaction temperature required following.Described second extinguishing device 6 also can be by pipeline to abnormal battery bag gamut
Release extinguishing chemical, allow fire proofing cover on the surface of abnormal battery bag, battery bag combustion range is hedged off from the outer world, plays
Fire-retardant and extend the battery bag heating-up time, delay the effect of battery bag chain reaction.
For the trigger condition of the above-mentioned extinguishing device described according to the present invention being related to, can be, but not limited to following several
Mode:
(1) temperature sensor 12 near battery bag detects ambient temperature and exceedes during setting value or work as described smog
Sensor 11 detects when having smog in environment, and the excess temperature sensing signal a can be issued described control unit 1, described control by it
Unit 1 processed triggers extinguishing device 5,6；
(2) if result in situations such as extruding of battery bag, short circuit for some reason, battery bag monomer temperature raises,
Arrived by the bms system detectio of place vehicle, then described bms system sends excess temperature signal b to described control unit 1, and triggering is described
Extinguishing device 5,6；
(3), when occupant recognizes that certain reason leads to in-car to catch fire, and described temperature sensor 12 or smog sensing
During device 11 failure, then can pressing operations button 9, thus sending excess temperature signal c to described control unit 1, trigger described fire extinguishing dress
Put 5,6；
(4), when described control unit 1 itself detect battery bag temperature ascendant trend too fast when, although temperature not less than
Safe temperature value, it can trigger described first extinguishing device 5, discharges part coolant by described first extinguishing device 5, reduces
The temperature of abnormal battery bag.
A kind of new-energy automobile power battery security system according to the present invention, it can timely find place electric motor car
Battery bag temperature anomaly situation, and cooling process can be carried out to it, even if in the case of already burning,
Quick fire extinguishing process can be carried out, effectively solve artificial catching fire to enforcement fire extinguishing procedure from discovery new-energy automobile burst and deposit
Problem time lag, reduce potential safety hazard.And, also it is provided that the early warning of battery bag temperature anomaly is reported, to operator
More time responses, further improve safety coefficient.
Further, the coolant that the extinguishing device that it includes is directed to use with, enables to battery temperature and is down to electrification
Learning below reaction temperature condition so that cell electrochemical reaction stops, thus reducing the waste of battery material, extending the battery longevity
Life, more environmentally-friendly.And, described extinguishing device spurts material and has strong insulating properties, will not produce secondary damage to battery, and easily wave
Send out few residual, environment-protecting asepsis.
It is pointed out that above-mentioned preferred embodiment technology design only to illustrate the invention and feature, its object is to
Allow person skilled in the art will appreciate that present disclosure and to implement according to this, the protection of the present invention can not be limited with this
Scope.All equivalence changes made according to spirit of the invention or modification, all should be included within the scope of the present invention.
Claims (10)
1. a kind of new-energy automobile power battery security system；It is characterized in that, it includes control unit, alarm sensor and goes out
Fiery device；Wherein said alarm sensor is arranged on by the battery bag of new-energy automobile, for detecting the environment of described battery bag
Condition, described alarm sensor is connected with described control unit, and described control unit is connected with described extinguishing device；When described report
When the environmental condition that alert sensor detects battery bag exceedes preset value, it is understood to described control unit alert, and
And described control unit triggers described extinguishing device according to warning message.
2. a kind of new-energy automobile power battery security system according to claim 1；It is characterized in that, wherein said report
Alert sensor includes Smoke Sensor and/or temperature sensor.
3. a kind of new-energy automobile power battery security system according to claim 1；It is characterized in that, wherein said go out
Fiery device includes the first extinguishing device, is stored with coolant, and it passes through the first conveyance conduit and conveys its interior coolant
To by battery bag.
4. a kind of new-energy automobile power battery security system according to claim 3；It is characterized in that, wherein said
First electromagnetic valve is provided with one conveyance conduit, described control unit is passed through to control described first electromagnetic valve, controls described first
Extinguishing device passes through pipeline and conveys coolant to described battery bag, to carry out environment temperature reduction process to it.
5. a kind of new-energy automobile power battery security system according to claim 1；It is characterized in that, wherein said go out
Fiery device includes the second extinguishing device, is stored with extinguishing chemical, and it passes through the second conveyance conduit and conveys its interior extinguishing chemical
To by battery bag.
6. a kind of new-energy automobile power battery security system according to claim 5；It is characterized in that, wherein said
Second electromagnetic valve is provided with two conveyance conduits, described control unit is passed through to control described second electromagnetic valve, controls described second
Extinguishing device passes through pipeline to described battery bag conveying extinguishing agent, to carry out environment temperature reduction process to it.
7. a kind of new-energy automobile power battery security system according to claim 1；It is characterized in that, its also include with
The memory element that described control unit connects, for storage battery bag operating time, temperature information, electric current, voltage data information.
8. a kind of new-energy automobile power battery security system according to claim 1；It is characterized in that, wherein said control
Unit processed is also connected with the bms system communication of place new-energy automobile.
9. a kind of new-energy automobile power battery security system according to claim 1；It is characterized in that, it also includes grasping
Make button, it is connected with described control unit, notify described control unit to control described extinguishing device to carry out environment for direct
Cooling is processed.
10. a kind of new-energy automobile power battery security system according to claim 1；It is characterized in that, wherein said
Control unit is also carried out communication and is connected, for being sent to battery bag temperature anomaly with the communication unit of place new-energy automobile
Information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873990.9A CN106345085A (en) | 2016-09-30 | 2016-09-30 | New energy automobile power battery safety system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873990.9A CN106345085A (en) | 2016-09-30 | 2016-09-30 | New energy automobile power battery safety system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106345085A true CN106345085A (en) | 2017-01-25 |
Family
ID=57865994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610873990.9A Pending CN106345085A (en) | 2016-09-30 | 2016-09-30 | New energy automobile power battery safety system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106345085A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345086A (en) * | 2016-10-10 | 2017-01-25 | 江苏鸿鹄电子科技有限公司 | New-energy automobile power battery security system |
| CN107293813A (en) * | 2017-07-12 | 2017-10-24 | 成都启特安全技术有限责任公司 | A kind of battery destruct system |
| WO2018166218A1 (en) * | 2017-03-14 | 2018-09-20 | 上海国轩新能源有限公司 | Battery early warning fire extinguishing system and battery system |
| CN109552080A (en) * | 2018-12-21 | 2019-04-02 | 北京科易动力科技有限公司 | Vehicle |
| WO2021142812A1 (en) * | 2020-01-17 | 2021-07-22 | 华为技术有限公司 | Battery system and fire extinguishing method for battery system |
| CN109045516B (en) * | 2018-09-01 | 2021-10-26 | 山东沂南园区开发建设有限公司 | Special miniature extinguishing device of new energy automobile |
-
2016
- 2016-09-30 CN CN201610873990.9A patent/CN106345085A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106345086A (en) * | 2016-10-10 | 2017-01-25 | 江苏鸿鹄电子科技有限公司 | New-energy automobile power battery security system |
| WO2018166218A1 (en) * | 2017-03-14 | 2018-09-20 | 上海国轩新能源有限公司 | Battery early warning fire extinguishing system and battery system |
| CN107293813A (en) * | 2017-07-12 | 2017-10-24 | 成都启特安全技术有限责任公司 | A kind of battery destruct system |
| CN107293813B (en) * | 2017-07-12 | 2023-05-26 | 成都启特安全技术有限责任公司 | Battery self-destruction system |
| CN109045516B (en) * | 2018-09-01 | 2021-10-26 | 山东沂南园区开发建设有限公司 | Special miniature extinguishing device of new energy automobile |
| CN109552080A (en) * | 2018-12-21 | 2019-04-02 | 北京科易动力科技有限公司 | Vehicle |
| CN109552080B (en) * | 2018-12-21 | 2024-01-26 | 北京科易动力科技有限公司 | Vehicle with a vehicle body having a vehicle body support |
| WO2021142812A1 (en) * | 2020-01-17 | 2021-07-22 | 华为技术有限公司 | Battery system and fire extinguishing method for battery system |
| CN114761091A (en) * | 2020-01-17 | 2022-07-15 | 华为数字能源技术有限公司 | Battery system and fire extinguishing method of battery system |
| EP4074384A4 (en) * | 2020-01-17 | 2023-02-22 | Huawei Digital Power Technologies Co., Ltd. | Battery system and fire extinguishing method for battery system |
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Legal Events
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170125 |