CN117559059A - New energy battery protection device and use method thereof - Google Patents

New energy battery protection device and use method thereof Download PDF

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Publication number
CN117559059A
CN117559059A CN202311692245.0A CN202311692245A CN117559059A CN 117559059 A CN117559059 A CN 117559059A CN 202311692245 A CN202311692245 A CN 202311692245A CN 117559059 A CN117559059 A CN 117559059A
Authority
CN
China
Prior art keywords
new energy
protection device
push rod
energy battery
protective
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.)
Withdrawn
Application number
CN202311692245.0A
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Chinese (zh)
Inventor
王丽丽
任智悦
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.)
Beijing Smart Driving Technology Co ltd
Original Assignee
Beijing Smart Driving Technology 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 Beijing Smart Driving Technology Co ltd filed Critical Beijing Smart Driving Technology Co ltd
Priority to CN202311692245.0A priority Critical patent/CN117559059A/en
Publication of CN117559059A publication Critical patent/CN117559059A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • 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
    • H01M10/63Control systems
    • 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
    • H01M10/6568Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • 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
    • H01M50/233Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/24Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
    • 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
    • H01M50/271Lids or covers for the racks or secondary casings
    • 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
    • H01M50/289Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • H01R13/70Structural association with built-in electrical component with built-in switch
    • H01R13/703Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7031Shorting, shunting or bussing of different terminals interrupted or effected on engagement of coupling part, e.g. for ESD protection, line continuity
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Automation & Control Theory (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention relates to the technical field of battery protection devices, in particular to a new energy battery protection device and a use method thereof. According to the invention, through the smoke sensor, when the smoke sensor detects that smoke is generated in the protective box, the liquid dry ice in the dry ice tank is injected into the protective box through the guide pipe to extinguish open fire in the protective box, so that escape time is strived for surrounding personnel, and the explosion of the battery is prolonged or avoided.

Description

New energy battery protection device and use method thereof
Technical Field
The invention relates to the technical field of battery protection devices, in particular to a new energy battery protection device and a using method thereof.
Background
The power battery is used as a power source of the new energy automobile, is the most important system in the whole automobile, and accounts for 30% -40% of the cost of the whole automobile, and is also different from other marking components of the traditional fuel automobile, the heart of the traditional fuel automobile is an engine, the heart of the new energy automobile is the power battery, heat is easy to generate in the operation process of the storage battery, the service life of the storage battery is greatly shortened when the storage battery is operated in a high-temperature environment for a long time, and the problems of short endurance and insufficient power are caused.
Through retrieving CN112736323A, a storage battery high-temperature protection device for a new energy automobile and a use method thereof are disclosed, the scheme is characterized in that two mutually symmetrical heat dissipation grooves are formed in the inner parts of a plurality of partition boards, heat dissipation fans are arranged in the heat dissipation grooves in a rotating mode, the empty grooves are divided into a plurality of linear equidistant air inlet channels, the side wall of one side of each empty groove, which is far away from an air inlet, is provided with an air inlet channel which is mutually communicated with the plurality of air inlet channels, so that efficient heat dissipation operation can be carried out on the storage battery, the service life reduction caused by overhigh temperature of the storage battery is avoided, and high-temperature protection is carried out on the storage battery.
But the present inventors have found that this technical solution still has at least the following drawbacks:
firstly, this scheme just dispels the heat through the battery, and the new forms of energy battery that uses at present is usually lithium ion battery, therefore apart from the problem of generating heat, still there is natural spontaneous explosion's problem, reduces dangerous incidence through the heat dissipation alone, and the effect is not good, therefore need to solve danger from the root, and secondly battery is when breaking down, can't break off promptly the connection of power and external electrical apparatus.
Disclosure of Invention
Accordingly, the present invention is directed to a new energy battery protection device and a method for using the same, so as to solve the above-mentioned problems.
Based on the above purpose, the invention provides a new energy battery protection device and a use method thereof.
The utility model provides a new energy battery protector, includes the protective housing, the inside group battery that is equipped with of protective housing, the protective housing top is equipped with the protective cover, protective housing one side is equipped with the bayonet joint, the bayonet joint forms electric connection with the group battery, the bayonet joint is kept away from protective housing one pot head and is equipped with the plug bush, the inlet window has been seted up at protective housing bottom center, inlet window below symmetry is equipped with the division board, the division board is close to plug bush one end and is equipped with and is used for controlling division board pivoted drive assembly, the protective cover top is equipped with the radiator unit who is used for the group battery cooling.
Further, the drive assembly is including the symmetry rotation inserts the bull stick of locating the division board and be close to grafting cover one end, the bull stick is fixed in the protective housing bottom, bull stick lower part all overlaps and is equipped with the gear, the meshing of the relative one end of gear has same bilateral rack, bilateral rack slip cap is equipped with the sliding sleeve, the sliding sleeve is fixed in the protective housing bottom.
Further, the heat radiation component comprises an exhaust window arranged at the top of the protective box, and a heat radiation fan is arranged in the exhaust window.
Further, the bilateral rack is vertically provided with a connecting rod far away from one end of the gear, the top of the connecting rod is connected with the bottom of the plug bush, the connecting rod is transversely inserted with a push rod, the end part of the push rod is coaxially provided with an electric push rod, and the electric push rod is fixed on the outer wall of the protective box.
Further, the top of the protective cover is provided with a dry ice tank, one end of the dry ice tank is inserted with a guide pipe, the tail of the guide pipe is inserted into the protective box, and the guide pipe is provided with an electromagnetic valve.
Further, the inner wall of the top of the protective cover is provided with a controller, the bottom of the heat dissipation fan is provided with a smoke sensor, the smoke sensor is electrically connected with the controller, and the electromagnetic valve is electrically connected with the controller.
The application method of the new energy battery protection device comprises the following steps:
step one: the heat dissipation fan rotates to suck external air into the interior of the protective box through the air inlet window to dissipate heat of the battery pack, and hot air is discharged through the air outlet window;
step two: when the smoke sensor detects that smoke is generated in the protective box, the battery pack is judged to have natural phenomena, and the controller sends an instruction to the electromagnetic valve to control the operation of the electromagnetic valve so that the guide pipe forms a passage, and liquid dry ice in the dry ice tank is injected into the protective box through the guide pipe to extinguish open fire in the dry ice tank;
step three: then the controller sends an operation instruction to the electric push rod, the electric push rod controls the push rod to push the connecting rod, the connecting rod drives the bilateral rack to move and drives the gear to rotate, and the rotating rod drives the isolating plate to rotate, so that the isolating plate is combined, the air inlet window is plugged, and resistance oxygen enters to generate combustion supporting;
step four: when the connecting rod moves, the plug bush is driven to move, so that the plug bush is separated from the plug connector, and the circuit is disconnected.
The invention has the beneficial effects that:
1. according to the invention, through the smoke sensor, when the smoke sensor detects smoke generated in the protective box, the battery pack is judged to have natural phenomena, and the like, the controller sends an instruction to the electromagnetic valve to control the operation of the electromagnetic valve so that the guide pipe forms a passage, the liquid dry ice in the dry ice tank is injected into the protective box through the guide pipe to extinguish open fire in the dry ice tank, so that escape time is striven for surrounding personnel, and the deflagration of the battery is prolonged or avoided.
2. According to the invention, the isolating plate is arranged, the push rod is controlled by the electric push rod to push the connecting rod, the connecting rod drives the bilateral rack to move and drives the gear to rotate, and the rotating rod drives the isolating plate to rotate, so that the isolating plate is combined to seal the air inlet window, and resistance oxygen enters to generate combustion supporting, so that the condition of battery deflagration is further reduced.
3. According to the invention, the push rod is controlled by the electric push rod to push the connecting rod, and the connecting rod drives the plug bush to move when moving, so that the connecting rod is separated from the plug, a circuit is disconnected, and the electric power is instantaneously cut off to avoid additional pressure or short circuit in the battery.
Drawings
In order to more clearly illustrate the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the invention and that other drawings can be obtained from them without inventive effort for a person skilled in the art.
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic diagram of a heat dissipating assembly according to an embodiment of the present invention;
FIG. 3 is a schematic view of the bottom structure of a protective case according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a driving assembly according to an embodiment of the present invention;
FIG. 5 is an enlarged schematic view of the partial structure at A of FIG. 4 according to an embodiment of the present invention;
FIG. 6 is an enlarged schematic view of a portion of the structure at B of FIG. 4 according to an embodiment of the present invention;
fig. 7 is a schematic diagram of a smoke sensor and controller mounting location according to an embodiment of the invention.
Marked in the figure as:
1. a protective box; 2. a protective cover; 3. a battery pack; 4. a filter screen; 5. a heat dissipation fan; 6. a dry ice tank; 7. a conduit; 8. an electromagnetic valve; 9. a rotating rod; 10. a partition plate; 11. a gear; 12. a double-sided rack; 13. a sliding sleeve; 14. a plug; 15. a plug bush; 16. an electric push rod; 17. a connecting rod; 18. a controller; 19. a smoke sensor; 101. an air inlet window; 201. an exhaust window; 1601. and (5) a push rod.
Detailed Description
The present invention will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present invention more apparent.
It is to be noted that unless otherwise defined, technical or scientific terms used herein should be taken in a general sense as understood by one of ordinary skill in the art to which the present invention belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
As shown in fig. 1 to 7, a new energy battery protection device comprises a protection box 1, a battery pack 3 is arranged in the protection box 1, a protection cover 2 is arranged at the top of the protection box 1, a plug connector 14 is arranged on one side of the protection box 1, the plug connector 14 and the battery pack 3 form electric connection, a plug connector 15 is sleeved at one end of the plug connector 14 far away from the protection box 1, an air inlet window 101 is arranged at the center of the bottom of the protection box 1, a separation plate 10 is symmetrically arranged below the air inlet window 101, a driving assembly for controlling the separation plate 10 to rotate is arranged at one end, close to the plug connector 15, of the separation plate 10, and a heat dissipation assembly for cooling the battery pack 3 is arranged at the top of the protection cover 2.
In a specific embodiment, the driving assembly comprises a rotating rod 9 symmetrically and rotatably inserted in one end of a partition plate 10 close to an insertion sleeve 15, the rotating rod 9 is fixed at the bottom of a protective box 1, a gear 11 is sleeved at the lower part of the rotating rod 9, the same bilateral rack 12 is meshed with the opposite end of the gear 11, a sliding sleeve 13 is arranged on the sliding sleeve 12, the sliding sleeve 13 is fixed at the bottom of the protective box 1, the heat dissipation assembly comprises an exhaust window 201 arranged at the top of the protective box 1, a heat dissipation fan 5 is arranged in the exhaust window 201, a connecting rod 17 is vertically arranged at one end of the bilateral rack 12 far away from the gear 11, the top of the connecting rod 17 is connected with the bottom of the insertion sleeve 15, a push rod 1601 is transversely inserted in the connecting rod 17, an electric push rod 16 is coaxially arranged at the end of the push rod 1601, the electric push rod 16 is fixed at the outer wall of the protective box 1, a dry ice tank 6 is arranged at the top of the protective cover 2, a guide pipe 7 is inserted at one end of the dry ice tank 6, a guide pipe 7 is inserted in the inner part of the protective box 1, a magnetic valve 8 is arranged at the guide pipe 7, a controller 18 is arranged at the inner wall of the top of the protective cover 2, a smoke sensor 19 is arranged at the bottom of the protective cover 5, a smoke sensor 19 is electrically connected with the controller 18, the magnetic valve 8 is electrically connected with the controller 18, and the filter screen 4 is arranged inside the heat dissipation fan 101.
Working principle: the heat dissipation fan 5 rotates to suck external air into the protective box 1 through the air inlet window 201 to dissipate heat of the battery pack 3, hot air is discharged through the air outlet window 201, when the smoke sensor 19 detects that smoke is generated in the protective box 1, the battery pack 3 is judged to be natural and the like, the controller 18 sends instructions to the electromagnetic valve 8 to control operation of the electromagnetic valve so that the guide pipe 7 forms a passage, liquid dry ice in the dry ice tank 6 is injected into the protective box 1 through the guide pipe 7 to extinguish open fire in the protective box, then the controller 18 sends operation instructions to the electric push rod 16, the electric push rod 16 controls the push rod 1601 to push the connecting rod 17, the connecting rod 17 drives the double-sided rack 12 to move and drives the gear 11 to rotate, the rotary rod 9 drives the isolation plate 10 to rotate, then the isolation plate 10 is combined to seal the air inlet window 101, and when the oxygen with resistance enters to generate combustion supporting, the connecting rod 17 moves to drive the plug bush 15 to move so that the liquid dry ice is separated from the plug connector 14, and the circuit is disconnected.
The present invention is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present invention should be included in the scope of the present invention.

Claims (8)

1. The utility model provides a new energy battery protector, includes protective housing (1), its characterized in that, protective housing (1) inside is equipped with group battery (3), protective housing (1) top is equipped with protective cover (2), protective housing (1) one side is equipped with bayonet joint (14), bayonet joint (14) and group battery (3) form electric connection, bayonet joint (14) are kept away from protective housing (1) one end cover and are equipped with plug bush (15), inlet window (101) have been seted up at protective housing (1) bottom center, inlet window (101) below symmetry is equipped with division board (10), division board (10) are close to plug bush (15) one end and are equipped with the drive assembly who is used for controlling division board (10) pivoted, protective cover (2) top is equipped with the radiating assembly who is used for group battery (3) cooling.
2. The new energy battery protection device according to claim 1, wherein the driving assembly comprises a rotating rod (9) symmetrically rotatably inserted into one end of the isolation plate (10) close to the insertion sleeve (15), the rotating rod (9) is fixed at the bottom of the protection box (1), gears (11) are sleeved at the lower parts of the rotating rod (9), the same bilateral rack (12) is meshed with the opposite ends of the gears (11), a sliding sleeve (13) is arranged on the sliding sleeve of the bilateral rack (12), and the sliding sleeve (13) is fixed at the bottom of the protection box (1).
3. The new energy battery protection device according to claim 2, wherein the heat dissipation assembly comprises an exhaust window (201) arranged at the top of the protection box (1), and a heat dissipation fan (5) is arranged inside the exhaust window (201).
4. The new energy battery protection device according to claim 3, wherein a connecting rod (17) is vertically arranged at one end, far away from the gear (11), of the double-sided rack (12), the top of the connecting rod (17) is connected with the bottom of the plug bush (15), a push rod (1601) is transversely inserted into the connecting rod (17), an electric push rod (16) is coaxially arranged at the end part of the push rod (1601), and the electric push rod (16) is fixed on the outer wall of the protective box (1).
5. The new energy battery protection device according to claim 4, wherein the top of the protection cover (2) is provided with a dry ice tank (6), one end of the dry ice tank (6) is inserted with a guide pipe (7), the tail of the guide pipe (7) is inserted into the protection box (1), and the guide pipe (7) is provided with an electromagnetic valve (8).
6. The new energy battery protection device according to claim 5, wherein a controller (18) is arranged on the inner wall of the top of the protection cover (2), a smoke sensor (19) is arranged at the bottom of the heat dissipation fan (5), the smoke sensor (19) is electrically connected with the controller (18), and the electromagnetic valve (8) is electrically connected with the controller (18).
7. The new energy battery protection device according to claim 6, wherein a filter screen (4) is arranged inside the air inlet window (101).
8. The method of using a new energy battery protection device according to any one of claims 1-7, comprising the steps of:
step one: the heat dissipation fan (5) rotates to suck external air into the protective box (1) through the air inlet window (201) to dissipate heat of the battery pack (3), and hot air is discharged through the air outlet window (201);
step two: when the smoke sensor (19) detects that smoke is generated in the protective box (1), the battery pack (3) is judged to have natural phenomena and the like, and a controller (18) sends an instruction to the electromagnetic valve (8) to control the operation of the battery pack to enable the guide pipe (7) to form a passage, and liquid dry ice in the dry ice tank (6) is injected into the protective box (1) through the guide pipe (7) to extinguish open fire in the dry ice tank;
step three: then the controller (18) sends an operation instruction to the electric push rod (16), the electric push rod (16) controls the push rod (1601) to push the connecting rod (17), the connecting rod (17) drives the bilateral rack (12) to move and drives the gear (11) to rotate, the rotating rod (9) drives the isolation plate (10) to rotate, the isolation plate (10) is further combined, the air inlet window (101) is blocked, and resistance oxygen enters to generate combustion supporting;
step four: the connecting rod (17) drives the plug bush (15) to move when moving, so that the plug bush is separated from the plug head (14) to disconnect a circuit.
CN202311692245.0A 2023-12-11 2023-12-11 New energy battery protection device and use method thereof Withdrawn CN117559059A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311692245.0A CN117559059A (en) 2023-12-11 2023-12-11 New energy battery protection device and use method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311692245.0A CN117559059A (en) 2023-12-11 2023-12-11 New energy battery protection device and use method thereof

Publications (1)

Publication Number Publication Date
CN117559059A true CN117559059A (en) 2024-02-13

Family

ID=89818428

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311692245.0A Withdrawn CN117559059A (en) 2023-12-11 2023-12-11 New energy battery protection device and use method thereof

Country Status (1)

Country Link
CN (1) CN117559059A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120261885A (en) * 2025-04-18 2025-07-04 一览科技(常州)有限公司 A new energy mining car battery protection device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN120261885A (en) * 2025-04-18 2025-07-04 一览科技(常州)有限公司 A new energy mining car battery protection device

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Application publication date: 20240213

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