CN110523025A - A kind of quick extinguishing cooling system for battery pack - Google Patents

A kind of quick extinguishing cooling system for battery pack Download PDF

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Publication number
CN110523025A
CN110523025A CN201910773033.2A CN201910773033A CN110523025A CN 110523025 A CN110523025 A CN 110523025A CN 201910773033 A CN201910773033 A CN 201910773033A CN 110523025 A CN110523025 A CN 110523025A
Authority
CN
China
Prior art keywords
battery pack
fire extinguishing
cooling
fire
temperature
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.)
Pending
Application number
CN201910773033.2A
Other languages
Chinese (zh)
Inventor
顾强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mifu Technology (zhejiang) Co Ltd
Original Assignee
Mifu Technology (zhejiang) Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mifu Technology (zhejiang) Co Ltd filed Critical Mifu Technology (zhejiang) Co Ltd
Priority to CN201910773033.2A priority Critical patent/CN110523025A/en
Publication of CN110523025A publication Critical patent/CN110523025A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/07Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • H01M10/613Cooling or keeping cold
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/656Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567Liquids
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

A kind of quick extinguishing cooling system for battery pack comprising battery pack, temperature smoke detectors, fire extinguishing cooling pump, conveyance conduit, cooling fire extinguishing stuffing-box and control device.The battery pack includes the battery pack and a sealing shell being coated on the outside of the battery pack of multiple groups serial or parallel connection.The temperature smoke detectors are arranged in the sealing shell and for detecting temperature value and flue gas concentration value in the sealing shell.One or more of cooling material, fire extinguishing material are contained in the cooling fire extinguishing stuffing-box.The size of the temperature value that the control device is exported according to temperature smoke detectors and flue gas concentration value starts the fire extinguishing cooling and pumps so that fire extinguishing cooling pump driving fire extinguishing or cooling material enter in the sealing shell is put out a fire or cooled down.This quick extinguishing cooling system for being used for battery pack can flee from the vehicle to driver and conductor's time enough and avoid life and property loss.

Description

A kind of quick extinguishing cooling system for battery pack
Technical field
The invention belongs to electric vehicle engineering field, especially a kind of quick extinguishing cooling system for battery pack.
Background technique
New-energy automobile refer to using unconventional vehicle fuel as a source of power (or using conventional vehicle fuel, Using new vehicle-mounted power plant) automobile comprising pure electric automobile, stroke-increasing electric automobile, hybrid vehicle, fuel Battery electric automobile etc..But it is either any, all the energy can be stored using battery pack, to provide continually to automobile Power.
However, the safety of battery pack becomes a crucial skill in new-energy automobile with the development of technology and industry Art.Because battery pack is usually to be combined into a battery pack by multi-disc cell piece, then formed by multiple battery combinations.Battery pack Watt level often determined by the number of battery pack.But during routine use, as long as a piece of cell piece occurs Failure such as short circuit or the leakage of electrolyte will cause fire or temperature anomaly, and usually temperature becomes very high.This when is such as Fruit can be cooled down or be put out a fire at once, it can be avoided within life and property loss, such as 5 minutes.But so short Time in, especially in the driving process of vehicle, user often is difficult to find, to cause showing for vehicle spontaneous combustion or explosion As, and driver and conductor causes life and property loss due to not having time enough to flee from.
Summary of the invention
In view of this, the present invention provides it is a kind of can occur to avoid battery pack high temperature or spontaneous combustion for the fast of battery pack Fast fire extinguishing cooling system, to solve the above problems.
A kind of quick extinguishing cooling system for battery pack a comprising battery pack, one is arranged in the battery Temperature smoke detectors in packet, one connect with the battery pack fire extinguishing cooling pump, one be connected to the battery pack with Fire extinguishing cooling pump between conveyance conduit, one with the fire extinguishing cooling pump connection cooling fire extinguishing stuffing-box and one and The control device that the temperature smoke detectors and fire extinguishing cooling pump are electrically connected.The battery pack include multiple groups series connection or simultaneously The battery pack of connection and a sealing shell being coated on the outside of the battery pack.The temperature smoke detectors are arranged in institute It states in sealing shell and for detecting temperature value and flue gas concentration value in the sealing shell.In the cooling fire extinguishing stuffing-box It is contained with one or more of cooling material, fire extinguishing material.The control device is exported according to temperature smoke detectors The size of temperature value and flue gas concentration value starts the fire extinguishing cooling and pumps so that fire extinguishing cooling pump driving fire extinguishing or cooling material Material, which enters in the sealing shell, is put out a fire or is cooled down.
Further, the fire extinguishing cooling pump further includes the switch valve being arranged on the conveyance conduit, when described Control device starts the fire extinguishing cooling according to the size of the temperature smoke detectors temperature value exported and flue gas concentration value and pumps When, the switch valve is turned on simultaneously.
Further, the cooling material can be coolant liquid.
Further, the cooling fire extinguishing stuffing-box is automobile cooling case.
Further, the control device includes a manual switch, and the manual switch for starting at any time Fire extinguishing cooling pump will be will put out a fire or cooling material is conveyed into the battery pack.
Further, the control device includes a processor, and the processor is according to the temperature smoke detectors The size of the temperature value and flue gas concentration value that are exported directly initiates fire extinguishing cooling pump will put out a fire or cooling material conveys Enter in the battery pack.
Further, the fire extinguishing or cooling material are full of the sealing in less than 5 minutes by the fire extinguishing cooling pump Shell.
Further, the fire extinguishing material is nitrogen or liquid nitrogen.
Further, the quick extinguishing cooling system for battery pack further includes a warning device, when temperature cigarette The temperature value and flue gas concentration value that gas sensor is exported reach a certain numerical value, which issues alarm signal.
Compared with prior art, pass through provided by the present invention for the quick extinguishing cooling system of battery pack in battery pack Temperature smoke detectors are set in sealing shell, for detecting the flue gas concentration value of the current temperature of battery pack or inside, when this When the flue gas concentration value of the inside of temperature or sealing shell reaches a certain numerical value, the control device starts the fire extinguishing drop at once Temperature pump is cooled down or is put out a fire so that fire extinguishing cooling material to be immediately conveyed into the sealing shell, so as to multiply people to department Member's time enough flees from the vehicle and avoids life and property loss.
Detailed description of the invention
Fig. 1 is the principle schematic diagram provided by the present invention for the quick extinguishing cooling system of battery pack.
Specific embodiment
Specific embodiments of the present invention are further elaborated below.It should be understood that herein to the present invention The explanation of embodiment is not intended to limit the scope of protection of the present invention.
As shown in Figure 1, it is the structural schematic diagram provided by the present invention for the quick extinguishing cooling system of battery pack.Institute Stating for the quick extinguishing cooling system of battery pack includes a battery pack 10, a temperature being arranged in the battery pack 10 Smoke detectors 20, a fire extinguishing cooling pump 30 connecting with the battery pack 10, one is connected to the battery pack 10 and goes out Conveyance conduit 40 between fire cooling pump 30, a cooling fire extinguishing stuffing-box 50 being connect with fire extinguishing cooling pump 30, and One control device 60 being electrically connected with the temperature smoke detectors 20 and fire extinguishing cooling pump 30 and one and the temperature Spend the warning device 70 that smoke detectors 20 are electrically connected.It is envisioned that the quick extinguishing for battery pack cools down System further includes other some functional modules, and such as mounting bracket organizes arrangement, and electric connection component etc. is this field Technology known by technical staff, details are not described herein.
The battery pack 10 should be a kind of prior art in itself comprising the battery pack 11 of multiple groups serial or parallel connection, with An and sealing shell 12 being coated on the outside of the battery pack 11.It is envisioned that each group of battery pack 11 all includes more Piece cell piece, these cell pieces can be set according to actual needs with serial or parallel connection together.The cell piece is Details are not described herein for the prior art.The sealing shell 12 is usually made of insulating material, can be with fire proofing, such as TVP (heat Plasticity vulcanized rubber) material is made.
The temperature smoke detectors 20 include at least one temperature sensor 21 and at least one smoke detectors 22.Institute It states temperature sensor 21 and refers to the sensor that can be experienced temperature and be converted into usable output signal, may include multiple, and be distributed Different location in the inside of sealing shell 12, to obtain the temperature value of the battery pack 10 everywhere immediately.The temperature sensing Device 21 as a kind of prior art, details are not described herein.The smoke detectors 22 refer to for detecting in certain area model It whether there is specific gas in enclosing and/or can continuously measure the sensor of gas composition concentration.The smoke detectors 22 can be with For calorifics formula gas sensor, electrochemical gas sensor, magnetically gas sensor, optical type gas sensor, partly lead Body formula gas sensor, gas-chromatography formula gas sensor etc., are all used to detect the generated flue gas in sealing shell 12 Concentration simultaneously exports.The smoke detectors 22 can also be arranged in the different location of the inside of the sealing shell 12, with timely Obtain the flue gas concentration value of 10 different location of battery pack.
The fire extinguishing cooling pump 30 can be a liquid-solid two-phase force (forcing) pump, can not only convey liquid cooling fire extinguishing material Material can also convey solid cooling fire extinguishing material.The structure and working principle of the fire extinguishing cooling pump 30 itself should be existing Technology is no longer described in detail herein.The fire extinguishing cooling pump 30 is used to open or close under the control of the control device 60, So that fire extinguishing cooling material is conveyed into battery pack 10 by the fire extinguishing cooling pump 30 as needed.The fire extinguishing cooling pump 30 is also Including at least one switch valve 31.The switch valve 31 can be a solenoid valve, can be according to the control of control device 60 Signal controls its switch.The quantity of the switch valve 31 can be set according to actual needs, because fire extinguishing cooling material has Liquid such as coolant liquid, liquid nitrogen etc., also have solid such as dry-chemical fire extinguishing material, therefore the materials'use of different shape can be directed to Different switch valves 31.When selecting the power of the fire extinguishing cooling pump 30, the fire extinguishing cooling pump 30 should be made less than 5 points The fire extinguishing or cooling material are full of the sealing shell 12 in clock.
The conveyance conduit 40 is connected between the fire extinguishing cooling pump 30 and the sealing shell 12 of battery pack 10, is used for Fire extinguishing cooling material is transported in the sealing shell 12 under the driving of the fire extinguishing cooling pump 30.The conveyance conduit 40 can To adapt to the fire extinguishing cooling material of unlike material with more.The conveying management 40 can be integrated with the sealing shell 12 Molding, so as to avoid leaking.
The cooling fire extinguishing stuffing-box 50 for holding fire extinguishing cooling material, such as coolant liquid, may be used also by liquid nitrogen or nitrogen etc. Think dry-chemical fire extinguishing material etc..When fire extinguishing cooling material is coolant liquid, the cooling fire extinguishing material 50 can be included for automobile Tank for coolant, so as to reduce this for battery pack quick extinguishing cooling system occupied area.When other classes of use When the fire extinguishing cooling material of type, then need to cooperate independent cooling fire extinguishing stuffing-box 50, while in order to cooperate different materials, institute Stating cooling fire extinguishing material cylinder 50 can be used multiple separation cases.Multiple separation case is connected from different conveyance conduits 40 respectively It connects.
Temperature value that the control device 60 is used to be exported according to temperature smoke detectors 20 and flue gas concentration value it is big The small starting fire extinguishing cooling pump 30 is so that the 30 driving fire extinguishing of fire extinguishing cooling pump or cooling material enter the sealing shell It is put out a fire or is cooled down in 12.The control device 60 may include a processor, such as single-chip microcontroller or PLC, according to temperature The temperature value and flue gas concentration value that degree smoke detectors 20 are exported pump 30 to start or close the fire extinguishing cooling, that is, work as temperature When the temperature value and flue gas concentration value that smoke detectors 20 are exported are more than some value, that is, start the fire extinguishing cooling pump 30. And when being lower than some value, then close the fire extinguishing cooling pump 30.The temperature value that is exported when temperature smoke detectors 20 and When flue gas concentration value is more than some value, the processor will directly initiate fire extinguishing cooling pump 30 will put out a fire or the material that cools down Material is conveyed into the battery pack 10, i.e., the described processor can be automatically activated the fire extinguishing cooling pump 30.In addition, the control Device 60 processed can also include a manual switch.The manual switch for starting the fire extinguishing cooling pump 30 at any time Will put out a fire or cooling material is conveyed into the battery pack 12.Because in actual automobile use process, it is possible to battery The spontaneous combustion that packet 10 occurs, but flue gas concentration value or temperature defined by processor starting fire extinguishing cooling pump 30 has not been reached yet Value, such as in motor vehicle repair process.
The warning device 70 is electrically connected with the temperature smoke detectors 20, when temperature smoke detectors 20 are exported Temperature value or flue gas concentration value reach a certain value, the warning device 70 i.e. start to alarm, as indicator light is bright or issue " serge " Prompt tone.The warning device 70 the temperature smoke detectors 20 export when alarming temperature value or flue gas concentration value are less than Or the temperature value or cigarette that the temperature smoke detectors 20 export when the fire extinguishing cooling pumps 30 are opened equal to the control device Gas concentration value.
Compared with prior art, pass through provided by the present invention for the quick extinguishing cooling system of battery pack in battery pack 10 Sealing shell 12 in be arranged temperature smoke detectors 20, for detect the current temperature of battery pack 10 or inside flue gas concentration Value, when the flue gas concentration value when the inside of the temperature or sealing shell 12 reaches a certain numerical value, 50 horse back of control device is opened The fire extinguishing cooling pump 30 is moved to be cooled down or put out a fire so that fire extinguishing cooling material is conveyed into time in the sealing shell 12, Life and property loss is avoided so as to flee from the vehicle to driver and conductor's time enough.
The foregoing is merely a prefered embodiment of the invention, is not used to limitation protection scope of the present invention, any in the present invention Modification, equivalent replacement or improvement in spirit etc., all cover in scope of the presently claimed invention.

Claims (10)

1. a kind of quick extinguishing cooling system for battery pack, it is characterised in that: the quick extinguishing for battery pack drops Warm system includes a battery pack, the temperature smoke detectors being arranged in the battery pack, one and the battery pack The fire extinguishing cooling of connection pumps, and a conveyance conduit being connected between the battery pack and fire extinguishing cooling pump, one goes out with described Fire cooling pump connection cooling fire extinguishing stuffing-box and one with the temperature smoke detectors and fire extinguishing cooling pump be electrically connected Control device, the battery pack includes that the battery pack of multiple groups serial or parallel connection and one are coated on outside the battery pack The sealing shell of side, the temperature smoke detectors are arranged in the sealing shell and for detecting in the sealing shell Temperature value and flue gas concentration value are contained with cooling material in the cooling fire extinguishing stuffing-box, one or more of material of putting out a fire, The control device starts the fire extinguishing according to the size of the temperature smoke detectors temperature value exported and flue gas concentration value and drops Temperature pumps so that fire extinguishing cooling pump driving fire extinguishing or cooling material enter in the sealing shell is put out a fire or cooled down.
2. being used for the quick extinguishing cooling system of battery pack as described in claim 1, it is characterised in that: the fire extinguishing cooling pump It further include the switch valve being arranged on the conveyance conduit, when the control device is exported according to temperature smoke detectors Temperature value and flue gas concentration value size start the fire extinguishing cooling pump when, the switch valve is turned on simultaneously.
3. being used for the quick extinguishing cooling system of battery pack as described in claim 1, it is characterised in that: the cooling material can Think coolant liquid.
4. being used for the quick extinguishing cooling system of battery pack as described in claim 1, it is characterised in that: the cooling fire extinguishing material Hopper is automobile cooling case.
5. being used for the quick extinguishing cooling system of battery pack as described in claim 1, it is characterised in that: the control device packet A manual switch is included, the manual switch will put out a fire for starting the fire extinguishing cooling pump at any time or cooling material It is conveyed into the battery pack.
6. being used for the quick extinguishing cooling system of battery pack as described in claim 1, it is characterised in that: the control device packet A processor is included, the processor is according to the temperature smoke detectors temperature value exported and the size of flue gas concentration value Fire extinguishing cooling pump is directly initiated will put out a fire or cooling material is conveyed into the battery pack.
7. being used for the quick extinguishing cooling system of battery pack as described in claim 1, it is characterised in that: the fire extinguishing cooling pump The fire extinguishing or cooling material are full of the sealing shell in less than 5 minutes.
8. being used for the quick extinguishing cooling system of battery pack as described in claim 1, it is characterised in that: the fire extinguishing material is Nitrogen or liquid nitrogen.
9. being used for the quick extinguishing cooling system of battery pack as described in claim 1, it is characterised in that: described to be used for battery pack Quick extinguishing cooling system further include a warning device, when the temperature value and flue gas concentration that temperature smoke detectors are exported Value reaches a certain numerical value, which issues alarm signal.
10. being used for the quick extinguishing cooling system of battery pack as described in claim 1, it is characterised in that: the conveyance conduit It is integrally formed with the sealing shell of the battery pack.
CN201910773033.2A 2019-08-21 2019-08-21 A kind of quick extinguishing cooling system for battery pack Pending CN110523025A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910773033.2A CN110523025A (en) 2019-08-21 2019-08-21 A kind of quick extinguishing cooling system for battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910773033.2A CN110523025A (en) 2019-08-21 2019-08-21 A kind of quick extinguishing cooling system for battery pack

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CN110523025A true CN110523025A (en) 2019-12-03

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113013512A (en) * 2019-12-20 2021-06-22 广州汽车集团股份有限公司 Power battery pack, battery explosion-proof control system and battery explosion-proof control method
US20230369682A1 (en) * 2022-05-16 2023-11-16 GM Global Technology Operations LLC Battery pack system with thermal runaway mitigation features

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206332134U (en) * 2016-11-29 2017-07-14 江苏鸿鹄电子科技有限公司 A kind of new-energy automobile power battery security system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206332134U (en) * 2016-11-29 2017-07-14 江苏鸿鹄电子科技有限公司 A kind of new-energy automobile power battery security system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113013512A (en) * 2019-12-20 2021-06-22 广州汽车集团股份有限公司 Power battery pack, battery explosion-proof control system and battery explosion-proof control method
US20230369682A1 (en) * 2022-05-16 2023-11-16 GM Global Technology Operations LLC Battery pack system with thermal runaway mitigation features

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