CN115591159B - Fusing type self-extinguishing battery box - Google Patents

Fusing type self-extinguishing battery box Download PDF

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Publication number
CN115591159B
CN115591159B CN202211104075.5A CN202211104075A CN115591159B CN 115591159 B CN115591159 B CN 115591159B CN 202211104075 A CN202211104075 A CN 202211104075A CN 115591159 B CN115591159 B CN 115591159B
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CN
China
Prior art keywords
extinguishing
battery
cavity
box
fire
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.)
Active
Application number
CN202211104075.5A
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Chinese (zh)
Other versions
CN115591159A (en
Inventor
伍旭东
檀生辉
吴勇
王东
谷涛涛
刘恒
王凯
蒋立伟
胡珍珠
姜敏
齐红青
孙鸿健
姚勇志
王辉
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Wuhu Research Institute of Xidian University
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Wuhu Research Institute of Xidian University
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Priority to CN202211104075.5A priority Critical patent/CN115591159B/en
Publication of CN115591159A publication Critical patent/CN115591159A/en
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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
    • A62C3/16Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C31/00Delivery of fire-extinguishing material
    • A62C31/02Nozzles specially adapted for fire-extinguishing
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C37/00Control of fire-fighting equipment
    • A62C37/36Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/38Control 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
    • A62C37/42Control 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 mechanical connection between sensor and actuator, e.g. rods, levers
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C37/00Control of fire-fighting equipment
    • A62C37/36Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
    • A62C37/46Construction of the actuator
    • A62C37/48Thermally sensitive initiators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • 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

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

Abstract

The invention discloses a fusing type self-extinguishing battery box, which relates to the technical field of battery safety and comprises a box body and a box cover, wherein the box cover is arranged at the upper end of the box body, two groups of isolating pieces are symmetrically arranged in the box body and divide the box body into an extinguishing cavity positioned at two sides and a battery cavity positioned in the middle and communicated with the extinguishing cavity, an extinguishing unit is arranged in the extinguishing cavity, a battery pack is arranged in the battery cavity, the extinguishing unit comprises a platy hollow shell, extinguishing gas is filled in the shell, the structure is simple, the detachable installation mode is adopted, the fire extinguishing unit can be completely separated from the box body, the fixation is not needed, the platy structural design is adopted, the occupied space is small, the fire extinguishing unit in the scheme can still be used continuously as long as structural damage does not occur, the repeated utilization rate is high, the extinguishing unit can be sprayed from a plurality of positions, and the extinguishing efficiency is high.

Description

Fusing type self-extinguishing battery box
Technical Field
The invention belongs to the technical field of battery safety, and particularly relates to a fusing type self-extinguishing battery box.
Background
Fire extinguishing products currently used for battery boxes in electric bicycles or electric automobiles in the market mainly comprise portable fire extinguishers, aerosol fire extinguishing devices, carbon dioxide and other fire extinguishing devices with pressure storage structures, manual operation is needed, and external devices are adopted. On the one hand, the method is found to be late, the optimal fire extinguishing time is missed, and on the other hand, the efficiency is lower because the method adopts manual fire extinguishing. In the prior art, a fire extinguishing device arranged in a battery box is also appeared, such as an electric bicycle battery placement box with an automatic fire extinguishing function, which is disclosed in Chinese patent publication No. CN212950959U, and a safety wire is broken at a high temperature by generating a higher temperature through a storage battery, so that fire extinguishing gas is finally sprayed out by means of each module to timely extinguish the fire of the storage battery. But combining its technical scheme can know, its structure is fairly complicated, and the part of putting out a fire is poor with the battery box separability, and reuse rate is low, has taken the more inner space of battery box, and when the conflagration breaks out, only discharges the fire extinguishing gas through a connecting pipe, and the fire extinguishing time is long.
Disclosure of Invention
The invention aims to provide a fusing type self-extinguishing battery box, which aims to solve the defects caused by the prior art.
The utility model provides a fusing formula is from battery case that puts out a fire, includes box and case lid, the case lid is installed in the upper end of box, the symmetry is equipped with two sets of spacers in the box and divide into the fire extinguishing chamber that is located both sides and be located the centre and be linked together with the fire extinguishing chamber with the box, put out a fire the unit has been placed to the fire extinguishing chamber, the battery package has been placed to the battery intracavity, the fire extinguishing unit includes platelike cavity casing, and the casing intussuseption is filled with fire extinguishing gas, and the geometric center department of casing is equipped with the through-hole, installs the fixing base in the through-hole, is equipped with four blast pipes with the inside intercommunication of casing towards one side of battery chamber on the casing, wears to be equipped with the gas plug stick that is used for temporarily shutoff blast pipe on the blast pipe, and the one end of gas plug stick is connected with traction mechanism, and the fuse fracture and release traction mechanism makes bleeder vent and blast pipe intercommunication on the gas plug stick and then release fire extinguishing gas under the high temperature.
Preferably, the traction mechanism comprises a connecting rod, an annular piece, a spring, a traction rope and two supports, one end of the connecting rod is fixedly connected to the air plug rod, the other end of the connecting rod is connected to the traction rope, the two supports are fixed on the shell in a linear arrangement mode and are connected in the two supports in a sliding mode, the annular piece is fixed on the connecting rod, the spring is sleeved on the connecting rod between the annular piece and the support far away from one side of the air plug rod, the air plug rod is provided with air holes communicated with the exhaust pipe, and the aperture of each air hole is larger than the inner diameter of the exhaust pipe.
Preferably, the shell at one side of the exhaust pipe is also provided with a limit column, and the height of the limit column is not less than the length of the exhaust pipe.
Preferably, the gas stick is made of metal.
Preferably, the fixing seat is provided with a through hole for the traction rope to pass through, and one side of the fixing seat facing the battery box is also embedded with a heat conducting plate communicated with the cavity where the fuse is located.
Preferably, two adjacent exhaust pipes are symmetrically arranged.
Preferably, a cushion block is further arranged on one side, facing the battery cavity, of the shell, and a channel for protecting the traction rope is formed between two adjacent cushion blocks.
Preferably, the cushion block is integrally formed with the housing and is communicated with the interior of the housing.
Preferably, the cushion block is made of heat insulation materials.
Preferably, a guide part is arranged on the side surface of the connecting rod, and a sliding groove matched with the guide part is arranged on the support far away from the air plug rod.
The invention has the advantages that:
1. the fire extinguishing unit has a simple structure, can be completely separated from the box body by adopting a detachable mounting mode, does not need to be fixed, adopts a platy structural design, has small occupied space, can be continuously used as long as the fire extinguishing unit in the scheme does not generate structural damage, and has high recycling rate.
2. The invention is provided with a plurality of exhaust pipes, can spray fire extinguishing gas from a plurality of positions and has high fire extinguishing efficiency.
Drawings
Fig. 1 is an internal schematic view of the present invention.
Fig. 2 is a top view of the case.
Fig. 3 is a schematic structural view of the fire extinguishing unit.
Fig. 4 is a partial enlarged view at a in fig. 3.
Fig. 5 is a schematic diagram of the connection of fuses.
Fig. 6 is a schematic structural view of the present invention.
Wherein: 1. the fire extinguishing device comprises a box body, a box cover, a partition member 3, a fire extinguishing unit 4, a box body 40, a through hole 41, a fixed seat 42, a through hole 420, an exhaust pipe 43, a communication hole 430, an air plug rod 44, a traction rope 45, a traction mechanism 46, a connecting rod 460, an annular member 461, a spring 462, a traction rope 463, a support 464, a heat conducting plate 465, a limit column 47, a cushion block 48, a channel 480, a fuse 49, a guide part 410, a chute 411, a fire extinguishing chamber 5 and a battery chamber 6.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 to 6, a fusing type self-extinguishing battery box comprises a box body 1 and a box cover 2, wherein the box cover 2 is arranged at the upper end of the box body 1, two groups of isolating pieces 3 are symmetrically arranged in the box body 1 and divide the box body 1 into an extinguishing cavity 5 positioned at two sides and a battery cavity 6 positioned in the middle and communicated with the extinguishing cavity 5, an extinguishing unit 4 is arranged in the extinguishing cavity 5, a battery pack is arranged in the battery cavity 6, the extinguishing unit 4 comprises a plate-shaped hollow shell 40, compressed extinguishing gas is filled in the shell 40, inert gas can be adopted as the extinguishing gas, a through hole 41 is arranged at the geometric center of the shell 40, a fixing seat 42 is arranged in the through hole 41, four exhaust pipes 43 communicated with the inside of the shell 40 are arranged on one side, facing the battery cavity 6, of the shell 40, two adjacent exhaust pipes 43 are symmetrically arranged, a limiting column 47 is further arranged on the shell 40 on one side of the exhaust pipes 43, the height of the limiting column 47 is not smaller than the length of the exhaust pipe 43, an air plug rod 44 for temporarily blocking the exhaust pipe 43 is arranged on the exhaust pipe 43 in a penetrating mode, the air plug rod 44 is made of metal, one end of the air plug rod 44 is connected with a traction mechanism 46, the other end of the traction mechanism 46 is connected with a fuse 49 in a fixed seat 42, and the fuse 49 is broken at a high temperature and releases the traction mechanism 46 to enable a communication hole 430 on the air plug rod 44 to be communicated with the exhaust pipe 43 so as to release fire extinguishing gas;
the traction mechanism 46 comprises a connecting rod 460, a ring-shaped member 461, a spring 462, a traction rope 46345 and two supports 464, wherein one end of the connecting rod 460 is fixedly connected to the air plug rod 44, the other end of the connecting rod 460 is connected to the traction rope 46345, the traction rope 46345 is made of refractory materials, the two supports 464 are fixed on the shell 40 in a linear arrangement, the connecting rod 460 is slidably connected in the two supports 464, the ring-shaped member 461 is fixed on the connecting rod 460, the spring 462 is sleeved on the connecting rod 460 between the ring-shaped member 461 and the support 464 far from one side of the air plug rod 44, the air plug rod 44 is provided with air holes communicated with the air exhaust pipe 43, and the aperture of the air holes is larger than the inner diameter of the air exhaust pipe 43;
the fixing base 42 is provided with a through hole 420 for the traction rope 46345 to pass through, and a heat conducting plate 465 communicated with the cavity where the fuse 49 is located is embedded in one side of the fixing base 42 facing the battery box.
In this embodiment, a spacer block 48 is further disposed on the side of the housing 40 facing the battery cavity 6, and a channel 480 for protecting the traction rope 46345 is formed between two adjacent spacer blocks 48.
The cushion block 48 may adopt two structural forms, one is that the cushion block 48 is integrally formed with the housing 40 and is communicated with the interior of the housing 40, so that the capacity of fire extinguishing gas can be increased, and the fire extinguishing effect can be improved. Alternatively, the spacer 48 is made of a heat insulating material, so as to isolate the fire extinguishing gas in the housing 40 from the temperature rise during the operation of the battery.
In this embodiment, in order to maintain the correct orientation of the connecting rod 460 without rotation when the connecting rod 460 is reset, a guide 410 is provided on the side of the connecting rod 460, and a slide slot 411 is provided on the support 464 away from the stopper rod 44, which is engaged with the guide 410.
The fire extinguishing method of the invention is as follows:
when the battery pack is abnormal and continuously generates high temperature, the temperature of the battery pack is conducted to the heat conducting plate 465, the heat conducting plate 465 transmits the temperature to the fuse 49, the fuse 49 melts after reaching the melting temperature, the traction rope 46345 is released, the connecting rod 460 drives the air plug rod 44 to move under the action of the spring 462 until the communication hole 430 on the air plug rod 44 is communicated with the exhaust pipes 43, the exhaust pipes 43 are opened, and fire extinguishing gas in the shell 40 is sprayed out from the four exhaust pipes 43 to extinguish the battery pack.
It will be appreciated by those skilled in the art that the present invention can be carried out in other embodiments without departing from the spirit or essential characteristics thereof. Accordingly, the above disclosed embodiments are illustrative in all respects, and not exclusive. All changes that come within the scope of the invention or equivalents thereto are intended to be embraced therein.

Claims (6)

1. The utility model provides a fusing formula is from putting out a fire battery case, includes box (1) and case lid (2), case lid (2) install in the upper end of box (1), a serial communication port, symmetry is equipped with two sets of separators (3) in box (1) and divides into fire cavity (5) that are located both sides and be located the centre and battery chamber (6) that are linked together with fire cavity (5) with box (1), put out a fire unit (4) in fire cavity (5), place the battery package in battery chamber (6), fire unit (4) include platelike cavity casing (40), the intussuseption of casing (40) is filled with fire extinguishing gas, the geometric center department of casing (40) is equipped with through-hole (41), installs fixing base (42) in through-hole (41), be equipped with four blast pipes (43) that are linked together with casing (40) inside on casing (40) towards one side of casing (40), wear to be equipped with on blast pipe (43) be used for temporarily the stopper rod (44) of blast pipe (43), one end of stopper rod (44) is connected with the fuse (46) of the mechanism (46) in traction mechanism (46), the fuse (49) breaks and releases the traction mechanism (46) at high temperature so that the communication hole (430) on the stopper rod (44) is communicated with the exhaust pipe (43) to release the fire extinguishing gas;
the traction mechanism (46) comprises a connecting rod (460), an annular piece (461), a spring (462), a traction rope (463) and two supports (464), one end of the connecting rod (460) is fixedly connected to the air plug rod (44), the other end of the connecting rod (460) is connected to the traction rope (463), the two supports (464) are fixed on the shell (40) in a linear arrangement mode, the connecting rod (460) is slidably connected in the two supports (464), the annular piece (461) is fixed on the connecting rod (460), the spring (462) is sleeved on the connecting rod (460) between the annular piece (461) and the support (464) far away from one side of the air plug rod (44), air holes communicated with the exhaust pipe (43) are formed in the air plug rod (44), and the aperture of the air holes is larger than the inner diameter of the exhaust pipe (43);
the fixing seat (42) is provided with a through hole (420) for the traction rope (463) to pass through, and a heat conducting plate (465) communicated with a cavity where the fuse (49) is located is embedded in one side of the fixing seat (42) facing the battery box;
a cushion block (48) is further arranged on one side, facing the battery cavity (6), of the shell (40), and a channel (480) for protecting the traction rope (463) is formed between two adjacent cushion blocks (48);
the side of the connecting rod (460) is provided with a guide part (410), and a sliding groove (411) matched with the guide part (410) is arranged on a support (464) which is far away from the air plug rod (44).
2. The fusing type self-extinguishing battery box according to claim 1, wherein a limiting column (47) is further arranged on the shell (40) at one side of the exhaust pipe (43), and the height of the limiting column (47) is not smaller than the length of the exhaust pipe (43).
3. A fused self-extinguishing battery compartment according to claim 1, characterized in that the air stopper rod (44) is made of metal.
4. A fused self-extinguishing battery compartment according to claim 1, characterized in that two adjacent exhaust pipes (43) are symmetrically arranged.
5. A fused self-extinguishing battery compartment according to claim 1, characterized in that the spacer (48) is integrally formed with the housing (40) and communicates with the interior of the housing (40).
6. A fused self-extinguishing battery compartment according to claim 1, characterized in that the spacer (48) is made of a heat insulating material.
CN202211104075.5A 2022-09-09 2022-09-09 Fusing type self-extinguishing battery box Active CN115591159B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211104075.5A CN115591159B (en) 2022-09-09 2022-09-09 Fusing type self-extinguishing battery box

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211104075.5A CN115591159B (en) 2022-09-09 2022-09-09 Fusing type self-extinguishing battery box

Publications (2)

Publication Number Publication Date
CN115591159A CN115591159A (en) 2023-01-13
CN115591159B true CN115591159B (en) 2023-07-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211104075.5A Active CN115591159B (en) 2022-09-09 2022-09-09 Fusing type self-extinguishing battery box

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Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0999113A (en) * 1995-10-03 1997-04-15 Yuzuru Koizumi Fire extinguisher self-operation device
CN206040758U (en) * 2016-08-29 2017-03-22 江苏中兴派能电池有限公司 High security lithium ion power batteries system box
CN108110628A (en) * 2016-11-24 2018-06-01 辽宁东鹰航空装备科技股份有限公司 A kind of power distribution cabinet
CN107243128B (en) * 2017-06-22 2020-10-20 哲弗智能系统(上海)有限公司 Battery fire extinguisher using hexafluoropropane and carbon dioxide for fire extinguishment
CN210186278U (en) * 2019-05-20 2020-03-27 林君阳 Flame-proof battery box
CN110404208B (en) * 2019-08-08 2024-05-28 宿州市艾尔新能源有限公司 Fire extinguishing device of energy storage box
CN112704832A (en) * 2020-12-29 2021-04-27 长城汽车股份有限公司 Battery box and battery package
CN214754046U (en) * 2021-06-07 2021-11-16 江苏正力新能电池技术有限公司 Case cover for battery pack and battery pack thereof

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