CN106785182B - Battery pack - Google Patents
Battery pack Download PDFInfo
- Publication number
- CN106785182B CN106785182B CN201510814892.3A CN201510814892A CN106785182B CN 106785182 B CN106785182 B CN 106785182B CN 201510814892 A CN201510814892 A CN 201510814892A CN 106785182 B CN106785182 B CN 106785182B
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- Prior art keywords
- fire
- battery pack
- fighting
- battery
- gas
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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
Abstract
The present invention provides a battery pack, including: battery box, group battery and cooling circuit. The battery pack is formed by arranging a plurality of single batteries and is accommodated in the battery box. The cooling loop is accommodated in the battery box, is arranged at the bottom of the battery pack and is used for transmitting a flowing medium, so that the flowing medium penetrates through the battery box to enter and penetrate through the battery box to be discharged, and the single batteries of the battery pack are cooled. Wherein the flowing medium can be converted into gas by heating and has a fire-fighting function in a gas state. The battery pack further includes: the fire-fighting loop is accommodated in the battery box, is arranged right above the battery pack, is communicated with the cooling loop, and only receives the gas with the fire-fighting function after the flowing medium from the cooling loop is heated and vaporized so as to be used for spraying the gas with the fire-fighting function to the battery pack when the battery pack needs fire fighting, thereby prolonging the reaction time of users and preventing the diffusion in extreme conditions.
Description
Technical field
The present invention relates to battery assembly field more particularly to a kind of battery packs.
Background technique
In the prior art, battery pack is mostly using passive protection measure, it may be assumed that the material for having flame-retarding characteristic is selected,
The sprawling of the intensity of a fire is prevented, but extreme case (such as on fire) once occurs, in the case where no active suppression device, the intensity of a fire can be
It is spread apart in the extremely short time, this makes battery in the case where extreme case occurs, and the personnel reaction time is very short, does not delay effectively
Measure, thus have very big hidden danger to the personal safety of user of service.
Summary of the invention
In view of the problems in the background art, it is an object of the present invention to provide a kind of battery packs, can be in electricity
When extreme case (such as on fire) occurs for Chi Bao, extends the reaction time of user of service and obtain valuable escape time to prevent pole
Hold the diffusion of situation.
It is another object of the present invention to provide a kind of battery pack, battery temperature rise can control to improve battery building ring
Border improves the security performance and service life of battery.
To achieve the goals above, the present invention provides a kind of battery packs comprising: battery case, battery pack and cooling
Circuit.Battery pack is arranged by multiple single batteries, is contained in battery case, and each single battery has explosion-proof valve.It cools back
Road is contained in battery case, is arranged in battery pack bottom, is used for transmission flow media, so that flow media wears battery case entrance
And it wears battery case and is discharged and the single battery of battery pack is cooled down.Wherein, the flow media, which can be heated, is transformed into gas
Body and under gaseous state have fire-fighting function.The battery pack further include: fire-fighting circuit is contained in battery case, and setting exists
The surface of battery pack, is connected to cooling circuit, the fire-fighting function after only receiving the heated vaporization of the flow media from cooling circuit
The gas of energy, for having the gas of fire-fighting function to battery pack injection when battery pack needs fire-fighting.
Beneficial effects of the present invention are as follows:
In battery pack according to the present invention, cooling circuit be used for transmission flow media with the single battery to battery pack into
Row cooling, so that the temperature rise of controllable battery improves the security performance and service life of battery to improve cell operating conditions.
It is connected to the fire-fighting circuit of cooling circuit, the fire-fighting function after the heated vaporization of the flow media from cooling circuit can be received
Gas is had the gas of fire-fighting function to battery pack injection, is extended with this when extreme case (such as on fire) occurs for battery pack
The reaction time of user of service simultaneously obtains valuable escape time, and then prevents the diffusion of extreme case.
Detailed description of the invention
Fig. 1 is the assembling stereogram of battery pack according to the present invention；
Fig. 2 is the assembling stereogram of the battery pack in Fig. 1 with battery case, wherein merely illustrating one in order to clearly visible
Percentage of batteries case；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the enlarged drawing of the encircled portion of Fig. 1；
Fig. 5 is the pipeline perspective view in fire-fighting circuit in Fig. 1, and shows part fire-fighting valve.
Fig. 6 is the enlarged drawing of the encircled portion of Fig. 5.
Wherein, the reference numerals are as follows:
1 battery case, 4 fire-fighting circuit
11 inlet, 5 temperature sensor
12 liquid outlet, 6 controller
13 exhaust outlet, 7 photosensitive sensor
2 battery pack, 8 fire-fighting valve
21 single battery, 9 intermediate channel
Ve explosion-proof valve Va automatic exhaust steam valve
3 cooling circuit S gas-liquid separation membranes
31, which become a mandarin, holds Vp relief valve
32 go out stream end
Specific embodiment
It is described in detail battery pack according to the present invention with reference to the accompanying drawings.
Referring to figs. 1 to Fig. 6, battery pack according to the present invention comprising: battery case 1, battery pack 2 and cooling circuit 3.
Battery pack 2 is arranged by multiple single batteries 21, is contained in battery case 1, and each single battery 21 has explosion-proof valve Ve.It is cooling
Circuit 3 is contained in battery case 1, is arranged in 2 bottom of battery pack, flow media (not shown) is used for transmission, so that flow media
Battery case 1 is worn to enter and wear the discharge of battery case 1 and cool down the single battery of battery pack 2 21.
Wherein, the flow media, which can be heated, is transformed into gas and has fire-fighting function under gaseous state.The battery
Packet further include: fire-fighting circuit 4 is contained in battery case 1, and the surface of battery pack 2 is arranged in, and is connected to cooling circuit 3, is only connect
The gas of fire-fighting function after receiving the heated vaporization of the flow media from cooling circuit 3, with for when battery pack 2 needs fire-fighting to
The injection of battery pack 2 has the gas of fire-fighting function.
In battery pack according to the present invention, cooling circuit 3 is used for transmission flow media with the single battery to battery pack 2
21 are cooled down, so that the temperature rise of controllable battery improves the security performance and use of battery to improve cell operating conditions
Service life.It is connected to the fire-fighting circuit 4 of cooling circuit 3, disappearing after capable of receiving the heated vaporization of the flow media from cooling circuit 3
The gas of anti-function has the gas of fire-fighting function to the injection of battery pack 2 when extreme case (such as on fire) occurs for battery pack,
The reaction time of user of service is extended with this and obtains valuable escape time, and then prevents the diffusion of extreme case.
It remarks additionally herein, cooling circuit 3 can directly be contacted with the single battery 21 of battery pack 2, or cooling
Circuit 3 passes through the single battery of transmitting medium (such as thermal conductive silicon rubber mat, liquid curing heat-conducting glue or aluminum heat conducting plate) and battery pack 2
21 mediate contacts.
In one embodiment, referring to Fig. 3, the battery pack may also include that controller 6, receives signal and controls fire-fighting and returns
Road 4 has the gas of fire-fighting function to the injection of battery pack 2.Further, the battery pack may also include that temperature sensor 5, use
It is communicated to connect in the temperature change of detection battery pack 2, and with controller 6, when the temperature of battery pack 2 is higher than predetermined temperature to control
Device 6 processed sends signal, and controller 6 receives the signal and controls the gas that fire-fighting circuit 4 has fire-fighting function to the injection of battery pack 2
Body.Wherein, predetermined temperature can be 100 DEG C, not only limit certainly in this way, predetermined temperature is configured according to specific needs.
In one embodiment, temperature sensor 5 it is mountable on fire-fighting circuit 4 and each explosion-proof valve Ve of face position, this
Only optimum position, not only limit is such.
In one embodiment, referring to Fig. 3, the battery pack may also include that photosensitive sensor 7, with 6 communication link of controller
It connects, whether has open fire in battery pack for detecting, send signal, controller 6 to controller 6 when thering is open fire to occur in battery pack
It receives the signal and controls the gas that fire-fighting circuit 4 has fire-fighting function to the injection of battery pack 2.
In one embodiment, the battery pack may also include that gas sensor (not shown), for detecting battery pack 2 weeks
Enclose gas concentration variation, and with controller 6 communicate to connect, when the gas concentration around battery pack 2 reaches predetermined concentration to
Controller 6 sends signal, and controller 6 receives the signal and controls the gas that fire-fighting circuit 4 has fire-fighting function to the injection of battery pack 2
Body.Wherein, the predetermined concentration that gas concentration reaches can according to battery system, temperature, produce gas type difference and specifically set.
In one embodiment, the battery pack may also include that smoke sensor device (not shown), be in battery pack for detecting
It is no to have smog generation, and communicated to connect with controller 6, signal, control are sent to controller 6 when having smog to occur in battery pack
Device 6 receives the signal and controls the gas that fire-fighting circuit 4 has fire-fighting function to the injection of battery pack 2.
It remarks additionally herein, sensor described above is that battery pack of the invention is preferably several, but simultaneously
Not only limit these types, also may be selected other types of sensor.
In one embodiment, referring to figure 5 and figure 6, the battery pack may also include that fire-fighting valve 8, and setting is returned in fire-fighting
On the road 4 and position of face explosion-proof valve Ve is simultaneously controlled, the tool when the fire-fighting is opened with valve 8 in fire-fighting circuit 4 by controller 6
There is the gas of fire-fighting function to spray, to carry out fire-fighting to battery pack 2.Wherein, fire-fighting valve 8 can be solenoid valve, but not only limit
In this way, can also be other types of valve.
In one embodiment, flow media can be halogenated hydrocarbons, phosphate or hydrofluoroether, not only limit certainly in this way, can also be
The substance of other types.
In one embodiment, referring to figs. 1 to Fig. 3, the battery pack may also include that intermediate channel 9, be connected to cooling circuit 3
With fire-fighting circuit 4.
In one embodiment, referring to Fig.1, gas is provided in the intermediate channel 9 of connection fire-fighting circuit 4 and cooling circuit 3
Liquid seperation film S, so that fire-fighting circuit 4 only receives the gas of the fire-fighting function after the heated vaporization of the flow media from cooling circuit 3
Body.Gas-liquid separation membrane S can select any well known type.
In one embodiment, referring to Fig.1, it is provided on the intermediate channel 9 of connection fire-fighting circuit 4 and cooling circuit 3 certainly
Dynamic exhaust valve Va, so that fire-fighting circuit 4 only receives the gas of the fire-fighting function after the heated vaporization of the flow media from cooling circuit 3
Body.Automatic exhaust steam valve Va can select any well known type.Wherein, gas-liquid separation membrane S and automatic exhaust steam valve Va can individually make
With or be used together.
In one embodiment, referring to figs. 1 to Fig. 3, battery case 1 is provided with inlet 11, and connection cooling circuit 3 becomes a mandarin
End 31, for for being entered in cooling circuit 3 from external flow media；And liquid outlet 12, connection cooling circuit 3 go out
End 32 is flowed, for being discharged to outside battery case 1 for flow media in cooling circuit 3.In one embodiment, referring to figs. 1 to Fig. 3, electricity
Pond case 1 is additionally provided with: exhaust outlet 13 is connected to the outlet side in fire-fighting circuit 4, for the gas of the fire-fighting function in fire-fighting circuit 4
Redundance in body is discharged to outside battery case 1.
In one embodiment, referring to Fig. 2 and Fig. 3, battery pack is additionally provided with: relief valve Vp is set on battery case 1, when
The gas pressure for the fire-fighting function in gas and battery case 1 that fire-fighting circuit 4 has fire-fighting function to the injection of battery pack 2 reaches rule
When the temperature of the gas of definite value and/or the fire-fighting function in battery case 1 reaches defined limiting temperature, relief valve Vp is opened, with
The inside of battery case 1 is set to be in communication with the outside, to discharge the gas of fire-fighting function.
Claims (10)
1. a kind of battery pack, comprising:
Battery case (1)；
Battery pack (2) is arranged by multiple single batteries (21), is contained in battery case (1), each single battery (21) has
Explosion-proof valve (Ve)；And
Cooling circuit (3) is contained in battery case (1), is arranged in battery pack (2) bottom, is used for transmission flow media, so that stream
Dynamic medium wears battery case (1) and enters and wear battery case (1) discharge and carry out to the single battery of battery pack (2) (21) cold
But；
It is characterized in that,
The flow media, which can be heated, to be transformed into gas and has fire-fighting function under gaseous state；
The battery pack further include:
Fire-fighting circuit (4) is contained in battery case (1), is arranged in the surface of battery pack (2), is connected to cooling circuit (3),
The gas of fire-fighting function after only receiving the heated vaporization of the flow media from cooling circuit (3), for being needed in battery pack (2)
There is when fire-fighting to battery pack (2) injection the gas of fire-fighting function.
2. battery pack according to claim 1, which is characterized in that the battery pack further include:
Controller (6) receives signal and controls the gas that fire-fighting circuit (4) has fire-fighting function to battery pack (2) injection.
3. battery pack according to claim 2, which is characterized in that the battery pack further include:
Temperature sensor (5) communicates to connect for detecting the temperature change of battery pack (2), and with controller (6), works as battery pack
(2) signal is sent to controller (6) when temperature is higher than predetermined temperature, controller (6) receives the signal and controls fire-fighting circuit
(4) there is the gas of fire-fighting function to battery pack (2) injection.
4. battery pack according to claim 2, which is characterized in that the battery pack further include:
Photosensitive sensor (7) communicates to connect with controller (6), whether has open fire in battery pack for detecting, when having in battery pack
Signal is sent to controller (6) when open fire occurs, controller (6) receives the signal and controls fire-fighting circuit (4) to battery pack (2)
Spray the gas with fire-fighting function.
5. battery pack according to claim 2, which is characterized in that the battery pack further include:
Fire-fighting is arranged on fire-fighting circuit (4) and the position of face explosion-proof valve (Ve) and is controlled by controller (6) with valve (8),
The gas ejection with fire-fighting function when the fire-fighting is opened with valve (8) in fire-fighting circuit (4), with to battery pack (2) into
Row fire-fighting.
6. battery pack according to claim 1, which is characterized in that the battery pack further include:
Intermediate channel (9) is connected to cooling circuit (3) and fire-fighting circuit (4).
7. battery pack according to claim 1, which is characterized in that battery case (1) is provided with
Inlet (11), connection cooling circuit (3) become a mandarin end (31), for for entering cooling from external flow media
In circuit (3)；
Liquid outlet (12), connection cooling circuit (3) goes out stream end (32), for being discharged to for cooling circuit (3) interior flow media
Battery case (1) is outside；And
Exhaust outlet (13), is connected to the outlet side of fire-fighting circuit (4), in the gas of the fire-fighting function in fire-fighting circuit (4)
Redundance be discharged to battery case (1) outside.
8. battery pack according to claim 6, which is characterized in that in connection fire-fighting circuit (4) and cooling circuit (3)
Between be provided with gas-liquid separation membrane (S) in channel (9) so that fire-fighting circuit (4) only receive the flow media for coming from cooling circuit (3)
The gas of fire-fighting function after heated vaporization.
9. battery pack according to claim 6, which is characterized in that in connection fire-fighting circuit (4) and cooling circuit (3)
Between be provided with automatic exhaust steam valve (Va) on channel (9) be situated between so that fire-fighting circuit (4) only receive flowing from cooling circuit (3)
The gas of fire-fighting function after the heated vaporization of matter.
10. battery pack according to claim 1, which is characterized in that battery pack is additionally provided with:
Relief valve (Vp) is set on battery case (1), when fire-fighting circuit (4) spray the gas with fire-fighting function to battery pack (2)
The gas pressure of body and the fire-fighting function in battery case (1) reaches the gas of specified value and/or the fire-fighting function in battery case (1)
Temperature reach as defined in limiting temperature when, relief valve (Vp) open so that the inside of battery case (1) is in communication with the outside, to release
Put the gas of fire-fighting function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814892.3A CN106785182B (en) | 2015-11-23 | 2015-11-23 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510814892.3A CN106785182B (en) | 2015-11-23 | 2015-11-23 | Battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106785182A CN106785182A (en) | 2017-05-31 |
| CN106785182B true CN106785182B (en) | 2019-06-11 |
Family
ID=58886313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510814892.3A Active CN106785182B (en) | 2015-11-23 | 2015-11-23 | Battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106785182B (en) |
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| CN108736100B (en) * | 2018-05-28 | 2020-10-30 | 吉林大学 | Emergency jet cooling battery pack gasification control structure and method thereof |
| DE102018220992A1 (en) * | 2018-12-05 | 2020-06-10 | Robert Bosch Gmbh | Safety device and electrochemical energy store with a safety device |
| 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 |
| CN113521599A (en) * | 2018-12-28 | 2021-10-22 | 宁德时代新能源科技股份有限公司 | Battery pack |
| CN111668410B (en) * | 2019-03-08 | 2021-12-07 | 比亚迪股份有限公司 | Power battery package and vehicle |
| CN112332013B (en) | 2019-09-26 | 2021-10-01 | 宁德时代新能源科技股份有限公司 | Battery pack, vehicle and control method for relieving thermal runaway spread of battery pack |
| CN112331990B (en) | 2019-09-26 | 2021-09-14 | 宁德时代新能源科技股份有限公司 | Battery pack, vehicle and control method for relieving thermal runaway spread of battery pack |
| CN111162348A (en) * | 2020-01-22 | 2020-05-15 | 上海蔚乐科技有限公司 | Electric automobile with emergent fire extinguishing systems |
| CN111682142A (en) * | 2020-06-30 | 2020-09-18 | 上海豫源电力科技有限公司 | Battery pack with fire-fighting function and control method thereof |
| EP4307451A3 (en) | 2020-07-10 | 2024-03-13 | Contemporary Amperex Technology Co., Limited | Case of battery, battery, power consumption device, and method and device for preparing battery |
| EP3958378B1 (en) | 2020-07-10 | 2023-12-13 | Contemporary Amperex Technology Co., Limited | Battery, electric device, and method and device for preparing battery |
| KR20220095224A (en) | 2020-07-10 | 2022-07-06 | 컨템포러리 엠퍼렉스 테크놀로지 씨오., 리미티드 | Batteries and related devices, manufacturing methods and manufacturing devices |
| EP4016708B1 (en) | 2020-10-19 | 2022-09-28 | Jiangsu Contemporary Amperex Technology Limited | Battery, electrical device, and method and device for preparing battery |
| CN112018462B (en) * | 2020-10-19 | 2021-02-09 | 江苏时代新能源科技有限公司 | Battery, electric device, and method and equipment for preparing battery |
| JP7350213B2 (en) * | 2020-10-19 | 2023-09-25 | ジアンス・コンテンポラリー・アンプレックス・テクノロジー・リミテッド | Batteries, power consumption devices, battery manufacturing methods and devices |
| CN113078404A (en) * | 2020-10-29 | 2021-07-06 | 郑州宇通客车股份有限公司 | Battery pack safety protection system and method |
| CN115803953A (en) * | 2020-12-26 | 2023-03-14 | 宁德时代新能源科技股份有限公司 | Valve, battery, electric device, valve manufacturing device and method |
| CN216488248U (en) * | 2021-11-26 | 2022-05-10 | 宁德时代新能源科技股份有限公司 | Energy storage device |
| WO2023128462A1 (en) * | 2021-12-27 | 2023-07-06 | 주식회사 엘지에너지솔루션 | Battery pack, energy storage system and vehicle comprising battery pack |
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| CN106785182A (en) | 2017-05-31 |
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Effective date of registration: 20191216 Address after: 213300 No. 1000 North Avenue, Kunlun Street, Liyang City, Changzhou City, Jiangsu Province Patentee after: CONTEMPORARY AMPEREX TECHNOLOGY Ltd. (JIANGSU) Address before: 352100, Xingang Road, Ningde Town, Jiaocheng District, Fujian, 1 Patentee before: Contemporary Amperex Technology Co.,Ltd. |
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