CN115296354A - Electricity changing cabinet and fire extinguishing method thereof - Google Patents

Electricity changing cabinet and fire extinguishing method thereof Download PDF

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Publication number
CN115296354A
CN115296354A CN202210736581.XA CN202210736581A CN115296354A CN 115296354 A CN115296354 A CN 115296354A CN 202210736581 A CN202210736581 A CN 202210736581A CN 115296354 A CN115296354 A CN 115296354A
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CN
China
Prior art keywords
battery
compartment
bin
bin body
cabinet
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
CN202210736581.XA
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Chinese (zh)
Inventor
饶乃家
王小波
陈军
邓波
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Shenzhen Topband Co Ltd
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Shenzhen Topband Co Ltd
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Publication date
Application filed by Shenzhen Topband Co Ltd filed Critical Shenzhen Topband Co Ltd
Priority to CN202210736581.XA priority Critical patent/CN115296354A/en
Publication of CN115296354A publication Critical patent/CN115296354A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H01M10/6568—Liquids characterised by flow circuits, e.g. loops, located externally to the cells or cell casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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

Abstract

The invention is suitable for the technical field of battery changing cabinets and provides a battery changing cabinet and a fire extinguishing method of the battery changing cabinet, wherein the battery changing cabinet comprises: a cabinet body; locate the battery compartment of the cabinet body, the battery compartment includes: the bin body is rotatably arranged in the cabinet body, a containing cavity for placing a rechargeable battery is arranged in the bin body, one end of the bin body is provided with a bin opening communicated with the containing cavity, and the containing cavity is communicated with the cooling liquid device through a pipeline; the valve mechanism is arranged on the pipeline and connected with the control device and is used for controlling the bin body to be communicated with or disconnected from the cooling liquid device; the lock mechanism is connected with the control device and locks the bin body at the cabinet body, and the lock mechanism can receive an unlocking signal of the control device to unlock so that the bin body overturns and the bin opening is kept upward. When a fire disaster occurs in the battery compartment, the compartment body can turn over and keep the compartment opening upward, so that the compartment body can be filled with cooling liquid to completely soak the rechargeable battery, the rechargeable battery is prevented from secondary combustion, and the fire extinguishing effect is greatly improved.

Description

Electricity changing cabinet and fire extinguishing method thereof
Technical Field
The invention relates to the technical field of a power change cabinet, in particular to a power change cabinet and a fire extinguishing method of the power change cabinet.
Background
With the rapid development of take-out and express delivery services, take-out and express delivery orders are growing continuously, and main vehicles of take-out delivery personnel and couriers are two-wheeled electric vehicles. The method is a mainstream scheme for taking out distributors and couriers at present by leasing the lithium battery to be used for the electric vehicle. When the user leases the battery, in order to let the electric motor car can change the battery anytime and anywhere, it is effectual solution to adopt the cabinet of changing electricity to charge the lithium cell.
Among the prior art, trade the electric cabinet and include the cabinet body usually and locate the internal a plurality of battery compartment of cabinet, the internal chamber that holds that is used for placing rechargeable battery that is equipped with in the storehouse of every battery compartment, storehouse body one end be equipped with hold the chamber intercommunication and be used for packing into rechargeable battery's bin mouth. Because the rechargeable battery can produce great heat when charging in the storehouse of battery compartment, when the detonation appears in the rechargeable battery charging process and causes a fire, the rechargeable battery in the storehouse needs to be sprayed with cooling liquid for extinguishing the fire. However, as the bin body of the battery bin needs to be provided with the bin opening for loading the rechargeable battery, and the battery bin is fixed in the cabinet body in a horizontal mode, when a fire disaster occurs in the battery bin, the cooling liquid sprayed in the bin body can directly flow out of the bin opening, so that the rechargeable battery cannot be soaked in the cooling liquid, secondary combustion easily occurs in the rechargeable battery, finally, a serious fire disaster is caused, and the fire extinguishing effect is poor.
Disclosure of Invention
The invention provides a power changing cabinet, and aims to solve the problems that a rechargeable battery is easy to burn secondarily and has poor fire extinguishing effect when a battery compartment of the power changing cabinet in the prior art is in fire.
The present invention is achieved as described above, and provides a battery replacement cabinet, including:
a cabinet body;
locate the battery compartment of the cabinet body, the battery compartment includes:
the storage bin comprises a bin body which is rotatably arranged in the cabinet body, wherein a containing cavity for placing a rechargeable battery is arranged in the bin body, one end of the bin body is provided with a bin opening communicated with the containing cavity, and the containing cavity is communicated with a cooling liquid device for storing cooling liquid through a pipeline;
the valve mechanism is arranged on the pipeline and connected with the control device and is used for controlling the bin body to be communicated with or disconnected from the cooling liquid device;
a lock mechanism connected with the control device and used for locking the bin body on the cabinet body; when a fire disaster occurs in the battery compartment, the lock mechanism can receive an unlocking signal of the control device to unlock, so that the compartment body is turned over and the compartment opening is kept upward.
Preferably, the battery compartment further includes:
and the detection device is arranged in the bin body and connected with the control device and is used for detecting the temperature of the bin body and/or the concentration of smoke.
Preferably, the battery compartment further comprises a rotating shaft arranged on the compartment body, and the compartment body is rotatably connected with the compartment body through the rotating shaft, so that the compartment body can turn around the rotating shaft.
Preferably, the bin body comprises a plurality of side walls forming the accommodating cavity, and the side walls are all of a closed structure.
Preferably, the bin body comprises a plurality of side walls forming the accommodating cavity, and at least one side wall of the bin body is provided with a heat dissipation hole communicated with the accommodating cavity; the battery compartment comprises a sealing plate which is movably arranged on the compartment body and is used for sealing the heat dissipation hole; when the bin body is turned over and the bin opening is kept upward, the sealing plate moves downward to seal the heat dissipation holes.
Preferably, the shrouding is movably set up in the storehouse body, the shrouding can move down in order to seal the louvre.
Preferably, the closing plate is rotatably arranged on the bin body, and the closing plate can rotate downwards to seal the heat dissipation holes.
Preferably, the battery compartment further includes:
and the spring is used for driving the sealing plate to reset, one end of the spring is connected with the bin body, and the other end of the spring is connected with the sealing plate.
Preferably, the bin body is provided with a guide mechanism, the sealing plate and the guide mechanism form sliding fit, and the sealing plate can move downwards along the guide mechanism to seal the heat dissipation holes.
Preferably, the battery compartment further includes:
and when the bin body is turned and the bin opening is kept upward, the buffer mechanism is in contact with the inner wall surface of the cabinet body.
Preferably, the battery compartment further includes:
the overflow pipe is communicated with the accommodating cavity of the bin body, the overflow pipe is close to the bin gap with the communicating position of the accommodating cavity, and the overflow pipe is communicated with the outside through a water outlet waterway.
The invention also provides a fire extinguishing method of the power exchange cabinet, which is applied to the power exchange cabinet and comprises the following steps:
when a fire disaster occurs in the battery compartment, controlling the lock mechanism to unlock, and turning over the compartment body of the battery compartment to keep a compartment opening upward;
and controlling the valve mechanism to open a valve so that the cooling liquid in the cooling liquid device enters the bin body of the battery bin to soak the rechargeable battery in the bin body.
Preferably, before the step of controlling the lock mechanism to unlock and turning over the battery compartment to keep the compartment opening facing upwards when it is determined that a fire occurs in the battery compartment, the method further includes:
detecting the temperature and/or the smoke concentration of the battery compartment;
and when the temperature of the battery compartment reaches a preset temperature threshold value or the concentration of the smoke reaches a preset concentration threshold value, judging that the battery compartment has a fire.
Preferably, after the step of controlling the valve mechanism to open a valve so that the coolant in the coolant device enters the chamber body of the battery chamber to soak the rechargeable battery in the chamber body, the method further comprises:
when the volume of the cooling liquid in the bin body reaches a preset minimum water containing threshold value, the valve mechanism is controlled to reduce the flow speed of the cooling liquid in the cooling liquid device entering the bin body.
Preferably, after the step of controlling the valve mechanism to open a valve so that the cooling liquid in the cooling liquid device enters the bin body of the battery bin to soak the rechargeable battery in the bin body, the method further comprises:
and when the volume of the cooling liquid in the bin body is detected to reach a preset maximum water containing threshold value, controlling the valve mechanism to close the valve.
According to the battery changing cabinet provided by the invention, the bin body of the battery bin is rotatably arranged in the cabinet body, and the battery changing cabinet is provided with a valve mechanism for controlling the bin body to be communicated or disconnected with the cooling liquid device and a lock mechanism for locking the bin body on the cabinet body; when a fire disaster happens to the battery compartment, the control device controls the locking mechanism to unlock, so that the compartment body is turned over under the action of gravity and the compartment opening is kept upward; meanwhile, the control device controls the valve mechanism to open the valve, so that the cooling liquid in the cooling liquid device flows into the bin body of the battery bin, the bin body is filled with the cooling liquid to completely soak the rechargeable battery, the rechargeable battery is prevented from secondary combustion, and the fire extinguishing effect is greatly improved; moreover, the realization structure is simple, and the realization cost is low.
Drawings
Fig. 1 is a schematic perspective view of a battery replacement cabinet according to an embodiment of the present invention;
fig. 2 is another schematic perspective view of a battery replacement cabinet according to a first embodiment of the present invention;
fig. 3 is a schematic perspective view of a battery compartment of a battery replacement cabinet according to an embodiment of the present invention;
fig. 4 is another schematic perspective view of a battery compartment of a power transformation cabinet according to an embodiment of the present invention;
fig. 5 is a block diagram of a partial structure of a battery swapping cabinet according to a first embodiment of the present invention;
fig. 6 is a schematic perspective view of a battery compartment of a battery replacement cabinet according to a second embodiment of the present disclosure;
fig. 7 is another schematic perspective view of a battery compartment of a battery changing cabinet according to a second embodiment of the present invention;
fig. 8 is a schematic perspective view of a battery compartment of a battery changing cabinet according to a third embodiment of the present invention;
fig. 9 is another schematic perspective view of a battery compartment of a battery changing cabinet according to a third embodiment of the present invention;
fig. 10 is a flowchart of a fire extinguishing method for a battery replacement cabinet according to a fourth embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
According to the battery changing cabinet provided by the embodiment of the invention, the bin body of the battery bin is rotatably arranged in the cabinet body, and the battery changing cabinet is provided with a valve mechanism for controlling the bin body to be communicated or disconnected with the cooling liquid device and a lock mechanism for locking the bin body in the cabinet body; when a fire disaster happens to the battery compartment, the control device controls the locking mechanism to unlock, so that the compartment body is turned over under the action of gravity and the compartment opening is kept upward; meanwhile, the control device controls the valve mechanism to open the valve, and cooling liquid in the cooling liquid device flows into the bin body of the battery bin, so that the bin body is filled with the cooling liquid to completely soak the rechargeable battery, secondary combustion of the rechargeable battery is prevented, and the fire extinguishing effect is greatly improved.
Example one
Referring to fig. 1 to 5, an embodiment of the invention provides a battery replacement cabinet, including:
a cabinet body 1;
locate battery compartment 2 of the cabinet body 1, battery compartment 2 includes:
the bin body 21 is rotatably arranged in the cabinet body 1, a containing cavity 211 is arranged in the bin body 21, a bin mouth 212 communicated with the containing cavity 211 is arranged at one end of the bin body 21, and the containing cavity 211 is communicated with a cooling liquid device 3 for storing cooling liquid through a pipeline;
the valve mechanism 22 is arranged on the pipeline and connected with the control device 4 and is used for controlling the connection or disconnection of the bin body 21 and the cooling liquid device 3;
a lock mechanism 23 connected with the control device 4 and locking the cabin 21 in the cabinet 1, and the lock mechanism 23 can receive an unlocking signal of the control device 4 to unlock, so that the cabin 21 turns over and keeps the cabin opening 212 upward.
In the embodiment of the present invention, the specific number of the battery compartments 2 is not limited, and may be one, two, or more. Preferably, the number of the battery compartments 2 is multiple, and the multiple battery compartments 2 are arranged inside the cabinet body 1 in multiple rows and multiple columns. Wherein the structure of each battery compartment 2 is identical.
In the embodiment of the present invention, the containing cavity 211 in the bin body 21 is used for placing the rechargeable battery 210, and the bin mouth 212 is used for accommodating the rechargeable battery 210 in the containing cavity 211. Wherein, the cooling liquid device 3 can be disposed inside the cabinet body 1, and also can be disposed outside the cabinet body 1, and also can not be disposed on the cabinet body 1, that is, the cooling liquid device 3 can be disposed independently of the cabinet body 1.
As an embodiment of the present invention, the battery compartment 2 further includes a rotating shaft 24 disposed on the compartment body 21, and the compartment body 21 is rotatably connected to the cabinet 1 through the rotating shaft 24, so that the compartment body 21 can turn over around the rotating shaft 24. Wherein, the rotating shaft 24 is arranged at the bottom of the battery compartment 2. When the battery compartment 2 is in a normal state, the battery compartment 2 is locked with the compartment body 21 through the lock mechanism 23, so that the compartment body 21 is in a horizontal state (as the battery compartment 2 shown on the right side in fig. 1), and normal use of the battery compartment 2 is ensured; when a fire disaster occurs in the battery compartment 2, the control device 4 controls the lock mechanism 23 to unlock, at this time, the compartment body 21 is unbalanced in stress, the compartment body 21 is turned over 90 degrees around the rotating shaft 24 under the action of gravity, so that the compartment body 21 is in a vertical state and the compartment opening 212 is kept upward (as shown in the battery compartment 2 indicated on the left side in fig. 1), and the accommodating cavity 211 of the compartment body 21 can be filled with cooling liquid to completely soak the rechargeable batteries in the compartment body 21 for fire extinguishment; moreover, the realization structure is simple, and the realization cost is low.
As one embodiment of the present invention, the cartridge body 21 comprises a plurality of side walls 213 forming the receiving cavities 211, and each of the plurality of side walls 213 is a closed structure.
In this embodiment, the side walls 213 of the bin body 21 do not have heat dissipation holes, and the accommodating cavity 211 of the bin body 21 is only communicated with the outside through the bin port 212. When upset and bin mouth 212 took place for the storehouse body 21 up, the storehouse body 21 had formed a pocket that can splendid attire coolant liquid this moment, and coolant liquid in the coolant liquid device 3 flows into the chamber 211 that holds of the storehouse body 21 through the pipeline and is filled in the chamber 211 that holds of the storehouse body 21 to can make the coolant liquid soak the rechargeable battery in the storehouse body 21 completely, realize rechargeable battery's effective fire extinguishing.
In a preferred embodiment of the present invention, the bin body 21 is a substantially rectangular parallelepiped structure, and the bin body 21 is enclosed by five side walls 213, and the five side walls 213 together enclose the accommodating cavity 211. Because five lateral walls 213 are the enclosed construction, make five lateral walls 213 enclose jointly and hold chamber 211 and only communicate the external world through bin mouth 212, when the storehouse body 21 took place to overturn and bin mouth 212 up, storehouse body 21 can form a pocket that can fill with the coolant liquid, makes the coolant liquid soak the rechargeable battery in the storehouse body 21 completely and puts out a fire with rechargeable battery.
As an embodiment of the present invention, the battery compartment 2 further includes:
and the detection device 5 is arranged in the bin body 21 and is connected with the control device 4 and is used for detecting the temperature of the bin body 21 and/or the concentration of the smoke.
In this embodiment, the detection device 5 is a temperature sensor and/or a smoke sensor. Preferably, the detection device 5 is a temperature sensor and a smoke sensor respectively connected with the control device 4; the temperature sensor and the smoke sensor are respectively used for detecting the temperature of the battery compartment 2 and the smoke concentration, and the control device 4 judges that a fire disaster occurs in the battery compartment 2 according to the fact that the temperature reaches a preset temperature threshold value or the concentration reaches a preset concentration threshold value. Whether a fire disaster happens is judged by respectively detecting the temperature of the battery compartment 2 and the smoke concentration through the temperature sensor and the smoke sensor, and when any one of the temperature of the battery compartment 2 and the smoke concentration exceeds a threshold value, the control device 4 judges that the fire disaster happens to the battery compartment 2, so that the reliability of the fire disaster is greatly improved.
In this embodiment, when at least one of the temperature of the battery compartment 2 and the concentration of the smoke exceeds the threshold value, it is determined that a fire occurs in the battery compartment 2, at this time, the control device 4 sends an unlocking signal to the lock mechanism 23, the lock mechanism 23 unlocks when receiving the unlocking signal, so as to unlock the compartment body 21 from the cabinet body 1, the compartment body 21 is turned over under the action of gravity and keeps the compartment opening 212 facing upward, at this time, the control device 4 controls the valve mechanism 22 to open the valve, so that the cooling liquid in the cooling liquid device 3 flows into the accommodating cavity 211 of the compartment body 21 through the pipeline to completely soak the rechargeable battery, and effective fire extinguishing of the rechargeable battery is realized.
As an embodiment of the present invention, the valve mechanism 22 is specifically an electromagnetic valve or an electrically operated valve, the lock mechanism 23 is specifically an electromagnetic lock or an electronic lock, and the control device 4 is specifically a single chip microcomputer. In a normal state, the valve of the valve mechanism 22 is in a closed state, so that the control cabin 21 is disconnected from the cooling liquid device 3. When the control device 4 judges that a fire breaks out in the battery compartment 2, the control device 4 sends a corresponding control signal to the electromagnetic lock or the electronic lock, the control signal is used as an unlocking signal of the electromagnetic lock or the electronic lock, the electromagnetic lock or the electronic lock is unlocked after receiving the unlocking signal so as to unlock the compartment body 21 and the cabinet body 1, and the compartment body 21 is overturned around the rotating shaft 24 under the action of gravity thereof so that the compartment opening 212 faces upwards; then the control device 4 sends a corresponding control signal to the electromagnetic valve or the electric valve to control the opening of the valve of the electromagnetic valve or the electric valve, so that the control bin body 21 is communicated with the cooling liquid device 3, and the cooling liquid in the cooling liquid device 3 flows into the accommodating cavity 211 of the bin body 21 through a pipeline to completely soak the rechargeable batteries, thereby realizing the fire extinguishing of the rechargeable batteries.
As an embodiment of the present invention, the battery compartment 2 further includes:
the buffer mechanism 25 is fixed on the bin body 21, and when the bin body 21 is overturned and the bin opening 212 is kept upward, the buffer mechanism 25 is in contact with the inner wall surface of the cabinet body 1.
In this embodiment, the buffer mechanism 25 may be buffer cotton, buffer silica gel, or buffer spring. Preferably, the buffer mechanism 25 is buffer cotton or buffer silica gel.
In this embodiment, when a fire breaks out in the battery compartment 2, after the unlocking of the lock mechanism 23, the turning process takes place in the compartment body 21 under the action of gravity, the compartment body 21 contacts with the inner wall surface of the cabinet body 1 through the buffer mechanism 25, so as to buffer the collision between the compartment body 21 and the cabinet body 1, reduce the impact force between the compartment body 21 and the cabinet body 1, avoid the excessive damage of other electronic components in the cabinet body 1 caused by vibration, and reduce the noise generated by the collision between the compartment body 21 and the cabinet body 1.
As an embodiment of the present invention, the battery compartment 2 further includes:
and the overflow pipe 26 is communicated with the interior of the bin body 21, the position where the overflow pipe 26 is communicated with the accommodating cavity 211 is close to the bin opening 212, and the overflow pipe 26 is communicated with the outside through a water outlet waterway.
In this embodiment, by arranging the overflow pipe 26, the coolant exceeding the communication position between the overflow pipe 26 and the accommodating cavity 211 can be discharged to the outside through the overflow pipe 26, so that the coolant is prevented from flowing into the cabinet body 1, and the safety performance of the power exchange cabinet is improved. Moreover, the position where the overflow pipe 26 is communicated with the accommodating cavity 211 is arranged close to the bin opening 212, so that the water containing capacity of the accommodating cavity 211 can be improved.
As an embodiment of the present invention, an effluent waterway comprises:
a water chute 27 arranged on the cabinet body 1, wherein the water chute 27 is communicated with the water outlet of the overflow pipe 26;
and a water outlet pipe 28 connected with the water guide groove 27, wherein one end of the water outlet pipe 28 is communicated with the outside.
In this embodiment, when the cooling liquid contained in the bin body 21 exceeds the highest water level line of the bin body 21, the cooling liquid exceeding the highest water level line flows into the water chute 27 through the overflow pipe 26, and is then discharged to the outside through the water outlet pipe 28, so that the cooling liquid is discharged to the outside of the cabinet body 1.
Example two
Referring to fig. 6 to 7, the present embodiment provides a battery replacement cabinet, the structure of the battery replacement cabinet of the present embodiment is substantially the same as the first embodiment, and the difference from the first embodiment is only that:
in this embodiment, the bin body 21 comprises a plurality of side walls 213 forming the accommodating cavity 211, and at least one side wall 213 of the bin body 21 is provided with a heat dissipation hole 214 communicated with the accommodating cavity 211; the battery chamber 2 comprises a sealing plate 29 which is movably arranged on the chamber body 21 and is used for sealing the heat dissipation hole 214; when the cartridge body 21 is inverted and the port 212 is held upward, the closure plate 29 moves downward to seal the louvers 214.
Wherein, two lateral walls 213 that the storehouse body 21 set up relatively are equipped with a plurality of louvres 214 and shrouding 29 respectively, and every shrouding 29 is used for sealed a plurality of louvres 214 on the corresponding lateral wall 213. The closing plate 29 may be disposed inside the accommodating cavity 211 or outside the accommodating cavity 211.
In the embodiment, the heat dissipation hole 214 is formed in the side wall of the bin body 21, so that the heat dissipation in the charging process of the rechargeable battery is facilitated; moreover, through the shrouding 29 that is used for sealed louvre 214 in the activity setting of battery compartment 2, when battery compartment 2 conflagration breaks out, can utilize shrouding 29 to seal louvre 214, can make storehouse body 21 form a pocket that can the splendid attire liquid equally, make the coolant liquid can soak rechargeable battery completely, realize rechargeable battery's effective fire extinguishing.
In this embodiment, after judging that battery compartment 2 appears the fire, controlling means 4 control latch mechanism 23 unblock for the storehouse body 21 takes place to overturn in order to keep bin mouth 212 up, and the storehouse body 21 takes place to overturn the back, and shrouding 29 moves down and covers louvre 214 under its self action of gravity, thereby utilizes shrouding 29 to seal louvre 214, makes the storehouse body 21 form a pocket that can the splendid attire coolant liquid, ensures that the coolant liquid can soak rechargeable battery completely, realizes rechargeable battery's effective fire extinguishing. Therefore, the battery compartment 2 of this embodiment has both ensured the radiating effect in the rechargeable battery charging process, and the storehouse body 21 takes place the upset back in addition, utilizes the shrouding 29 self action of gravity down to move and cover louvre 214 ingeniously, realizes the sealed of the storehouse body 21, ensures that the coolant liquid can soak rechargeable battery completely, realizes rechargeable battery's effective fire extinguishing.
As an embodiment of the present invention, the sealing plate 29 is movably disposed on the bin 21, and the sealing plate 29 can move downward to seal the heat dissipation holes 214.
In this embodiment, after the bin 21 is turned over, the sealing plate 29 moves downward under its own gravity and covers the heat dissipation hole 214, so as to seal the heat dissipation hole 214.
As an embodiment of the present invention, the bin body 21 is provided with a guiding mechanism 215, the sealing plate 29 forms a sliding fit with the guiding mechanism 215, and the sealing plate 29 can move downwards along the guiding mechanism 215 to seal the heat dissipation holes 214.
The guide mechanism 215 may be a guide slot or a guide rail, and the sealing plate 29 is slidably fitted with the guide slot or the guide rail. Utilize guide slot or guide rail to carry on spacingly to the shrouding 29, ensure the shrouding steady motion, and seal louvre 214 reliably, ensure sealed effect. Wherein the guide means 215 shown in fig. 5 is a guide groove.
As an embodiment of the present invention, the battery compartment 2 further includes:
and the spring 20 is used for driving the sealing plate 29 to return, one end of the spring 20 is connected with the bin body 21, and the other end of the spring is connected with the sealing plate 29.
Specifically, a connecting portion 216 is disposed on the bin body 21, one end of the spring 20 is connected to the connecting portion 216 of the bin body 21, and the other end is connected to the sealing plate 29.
In this embodiment, when a fire occurs in the battery compartment 2, the battery compartment 2 is in a horizontal state, and at this time, the tension of the spring 20 just makes the sealing plate 29 in a state of opening the heat dissipation hole 214; when a fire breaks out in the battery compartment 2, the battery compartment 2 is turned over to the vertical state, and at this time, because the gravity of the sealing plate 29 is greater than the pulling force of the spring 20, the sealing plate 29 moves downward to cover the heat dissipation holes 214, so that the heat dissipation holes 214 are sealed. After eliminating the fire, the user resumes battery compartment 2 to the horizontality back, and under spring 20's pulling force effect this moment, spring 20 pulling shrouding 29 resets in order to open louvre 214 to can utilize spring 20 to realize shrouding 29 automatic re-setting ingeniously, promoted user greatly and use experience.
EXAMPLE III
Referring to fig. 8 to 9, the present embodiment provides a battery replacement cabinet, which is different from the second embodiment in that: the sealing plate 29 is rotatably disposed on the bin body 21, and the sealing plate 29 can rotate downward to seal the heat dissipation hole 214. The bin body 21 is rotatably connected to the bin body 21 by a connecting shaft 291, and the sealing plate 29 can rotate around the connecting shaft 291 to cover the heat dissipation holes 214.
In this embodiment, when a fire breaks out in the battery compartment 2, the battery compartment 2 is in a horizontal state, and the closing plate 29 is in a state where the heat dissipation hole 214 is opened; when a fire breaks out in the battery compartment 2, the lock mechanism 23 is unlocked, the compartment body 21 is turned over under the action of gravity, and meanwhile, the sealing plate 29 rotates downwards around the connecting shaft 291 and covers the heat dissipation holes 214 under the action of self gravity, so that the heat dissipation holes 214 are sealed.
Wherein, two opposite side walls 213 of the bin body 21 are respectively provided with a plurality of heat dissipation holes 214, two opposite side walls 213 of the bin body 21 are respectively movably provided with a sealing plate 29, and each sealing plate 29 is rotatably arranged on the bin body 21. After the cabin body 21 is turned over, each sealing plate 29 can rotate around an axis under the action of the gravity of the cabin body and cover the heat dissipation holes 214, so that the heat dissipation holes 214 are sealed, the cabin body 21 forms a bag which can be filled with cooling liquid, and the cooling liquid can completely soak the rechargeable batteries in the cabin body 21 to extinguish fire.
Example four
Referring to fig. 10, the present invention provides a fire extinguishing method for a power conversion cabinet, which is applied to the power conversion cabinet in the first embodiment, the second embodiment or the third embodiment, and includes the following steps:
step S1, when a fire disaster occurs in the battery compartment 2, controlling the locking mechanism 23 to unlock, and turning over the compartment body 21 of the battery compartment 2 to keep the compartment opening 212 upward;
in this step, when it is determined that a fire occurs in the battery compartment 2, the lock mechanism 23 is controlled to unlock the compartment body 21, the compartment body 21 is turned over around the rotating shaft 24 under the action of gravity, and the compartment opening 212 is kept facing upward.
As an embodiment of the present invention, in step S1, the bin body 21 includes a plurality of side walls 213 forming the accommodating cavities 211, and the side walls 213 are all closed structures; the storehouse body 21 takes place to form a pocket that can splendid attire coolant liquid after the upset to make the coolant liquid among the coolant liquid device 3 flow into the storehouse body 21 hold the chamber 211 in and fill in the chamber 211 that holds of storehouse body 21, thereby make the coolant liquid with the rechargeable battery who soaks the storehouse body 21 in completely, realize rechargeable battery's effective fire extinguishing.
As another embodiment of the present invention, in step S1, the bin body 21 includes a plurality of side walls 213 forming the accommodating cavity 211, at least one side wall 213 of the bin body 21 is provided with a heat dissipation hole 214 communicated with the accommodating cavity 211; the battery chamber 2 comprises a sealing plate 29 which is movably arranged on the chamber body 21 and is used for sealing the heat dissipation hole 214; when the storehouse body 21 overturns and makes the storehouse opening 212 face up, the closing plate 29 moves downwards under the action of gravity to seal the heat dissipation hole 214, so that the storehouse body 21 forms a pocket capable of containing cooling liquid, the cooling liquid can be ensured to completely soak the rechargeable battery, and the effective fire extinguishing of the rechargeable battery is realized.
The sealing plate 29 is movably disposed on the bin body 21 or the sealing plate 29 is rotatably disposed on the bin body 21, and when the bin body 21 is turned over and the bin opening 212 is upward, the sealing plate 29 moves downward or rotates under the action of gravity to seal the heat dissipation hole 214.
Step S2, the valve mechanism 22 is controlled to open the valve, so that the cooling liquid in the cooling liquid device 3 enters the bin body 21 of the battery bin 2 to soak the rechargeable battery 210 in the bin body 21.
In this step, after the bin body 21 of the battery bin 2 is turned over and the bin opening 212 is kept upward, the valve mechanism 22 is controlled to open the valve, so that the cooling liquid in the cooling liquid device 3 flows into the accommodating cavity 211 of the bin body 21 through the pipeline to completely soak the rechargeable battery, and the rechargeable battery is effectively put out a fire.
EXAMPLE five
On the basis of the fourth embodiment, before step S1, the fire extinguishing method for the power distribution cabinet further includes:
detecting the temperature and/or the smoke concentration of the battery compartment 2;
when the temperature of the battery compartment 2 reaches a preset temperature threshold or the concentration of smoke reaches a preset concentration threshold, it is determined that a fire disaster occurs in the battery compartment 2.
In this embodiment, utilize temperature sensor and smoke transducer to detect the temperature of battery compartment 2 and the concentration of smog respectively and judge whether to break out a fire, utilize the temperature of battery compartment 2 and the concentration of smog whichever surpasss the threshold value can judge to break out a fire, promoted the reliability of breaking out a fire greatly.
EXAMPLE six
On the basis of the fourth or fifth embodiment, before the step S2, the fire extinguishing method for the power exchange cabinet further includes:
and judging whether the battery compartment 2 is successfully overturned, if so, controlling the valve mechanism 22 to open the valve, otherwise, controlling the valve mechanism 22 not to open the valve.
In this embodiment, by determining whether the battery compartment 2 is successfully turned over, the valve mechanism 22 is controlled to open the valve only after the battery compartment 2 is successfully turned over, so as to prevent the coolant entering the compartment body 21 from flowing out of the compartment opening 212 due to the fact that the valve of the valve mechanism 22 is opened when the battery compartment 2 is not successfully turned over, thereby improving the reliability of fire extinguishing work.
Specifically, whether the battery compartment 2 is turned in place or not can be directly detected through the infrared sensor, or when the turning time of the battery compartment reaches a preset waiting threshold value, it is judged that the turning of the battery compartment 2 is successful.
EXAMPLE seven
In any one of the fourth to sixth embodiments, after the step S2, the method for extinguishing a fire of a power distribution cabinet further includes:
when the volume of the cooling liquid in the bin body 21 of the battery bin 2 is detected to reach the preset minimum water containing threshold, the valve mechanism 22 is controlled to reduce the flow rate of the cooling liquid in the cooling liquid device 3 entering the bin body 21.
In this embodiment, when the volume of the coolant in the bin body 21 of the battery compartment 2 reaches the preset minimum water-holding threshold, the coolant in the bin body 21 of the battery compartment 2 just soaks the rechargeable battery, and the coolant enters the bin body 21 through the coolant device at a reduced flow rate, so that the coolant is ensured to continuously maintain a good cooling effect, and the excessive waste of the coolant can be avoided.
Example eight
On the basis of any one of the fourth embodiment to the seventh embodiment, after the step S2, the fire extinguishing method for the power distribution cabinet further includes:
when the coolant capacity in the battery compartment 2 compartment 21 is detected to reach the preset maximum water capacity threshold value, the valve mechanism 22 is controlled to close the valve.
In this embodiment, when the volume of the coolant in the bin body 21 of the battery compartment 2 reaches the preset maximum water-holding threshold, the coolant exceeding the water-holding capacity of the bin body 21 will overflow from the overflow pipe, and the valve mechanism 22 is controlled to close the valve, so as to avoid the excessive coolant from overflowing and being wasted.
According to the fire extinguishing method of the power exchange cabinet, provided by the embodiment of the invention, when a fire disaster occurs in the battery compartment, the locking mechanism is controlled to unlock, the compartment body of the battery compartment is turned over to keep the compartment opening upward, the valve mechanism is controlled to open the valve, so that the cooling liquid in the cooling liquid device enters the compartment body of the battery compartment to soak the rechargeable battery in the compartment body, the cooling liquid in the cooling liquid device flows into the compartment body of the battery compartment, the compartment body can be filled with the cooling liquid to completely soak the rechargeable battery, the rechargeable battery is prevented from secondary combustion, and the fire extinguishing effect is greatly improved.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (15)

1. A battery changing cabinet is characterized by comprising:
a cabinet body;
locate the internal battery compartment of cabinet, the battery compartment includes:
the storage bin comprises a bin body which is rotatably arranged in the cabinet body, wherein a containing cavity for placing a rechargeable battery is arranged in the bin body, one end of the bin body is provided with a bin opening communicated with the containing cavity, and the containing cavity is communicated with a cooling liquid device for storing cooling liquid through a pipeline;
the valve mechanism is arranged on the pipeline and connected with the control device and is used for controlling the bin body to be communicated with or disconnected from the cooling liquid device;
the lock mechanism is connected with the control device and locks the bin body on the cabinet body, and the lock mechanism can receive an unlocking signal of the control device to unlock so that the bin body is turned over and the bin opening is kept upward.
2. The battery changing cabinet according to claim 1, wherein the battery compartment further comprises:
and the detection device is arranged in the bin body and connected with the control device and is used for detecting the temperature of the bin body and/or the concentration of smoke.
3. The battery changing cabinet as claimed in claim 1, wherein the battery compartment further comprises a rotating shaft disposed on the compartment body, and the compartment body is rotatably connected to the cabinet body via the rotating shaft, so that the compartment body can be rotated around the rotating shaft.
4. The battery replacement cabinet according to claim 1, wherein the bin body comprises a plurality of side walls forming the accommodating cavity, and the plurality of side walls are all closed structures.
5. The battery replacement cabinet according to claim 1, wherein the bin body comprises a plurality of side walls forming the accommodating cavity, and at least one side wall of the bin body is provided with a heat dissipation hole communicated with the accommodating cavity; the battery compartment comprises a sealing plate which is movably arranged on the compartment body and is used for sealing the heat dissipation hole; when the bin body is turned over and the bin opening is kept upward, the sealing plate moves downward to seal the heat dissipation holes.
6. The battery replacement cabinet according to claim 5, wherein the sealing plate is movably disposed on the chamber body, and the sealing plate can move downward to seal the heat dissipation holes.
7. The battery replacement cabinet according to claim 5, wherein the sealing plate is rotatably disposed on the bin body, and the sealing plate can rotate downward to seal the heat dissipation holes.
8. The battery changing cabinet according to claim 6, wherein the battery compartment further comprises:
and the spring is used for driving the sealing plate to reset, one end of the spring is connected with the bin body, and the other end of the spring is connected with the sealing plate.
9. The battery replacement cabinet according to claim 6, wherein the bin body is provided with a guide mechanism, the sealing plate is in sliding fit with the guide mechanism, and the sealing plate can move downwards along the guide mechanism to seal the heat dissipation holes.
10. The battery changing cabinet according to claim 1, wherein the battery compartment further comprises:
and when the bin body is turned and the bin opening is kept upward, the buffer mechanism is in contact with the inner wall surface of the cabinet body.
11. The battery changing cabinet as claimed in claim 1, wherein the battery compartment further comprises:
the overflow pipe is communicated with the accommodating cavity of the bin body, the position of the overflow pipe communicated with the accommodating cavity is close to the bin opening, and the overflow pipe is communicated with the outside through a water outlet waterway.
12. A fire extinguishing method for a power changing cabinet, which is applied to the power changing cabinet as claimed in claim 1, and is characterized by comprising the following steps:
when a fire disaster occurs in the battery compartment, controlling the lock mechanism to unlock, and turning over the compartment body of the battery compartment to keep a compartment opening upward;
and controlling the valve mechanism to open a valve so that the cooling liquid in the cooling liquid device enters the bin body of the battery bin to soak the rechargeable battery in the bin body.
13. The fire extinguishing method for the power conversion cabinet according to claim 12, wherein before the step of controlling the lock mechanism to unlock and turn over the compartment body of the battery compartment to keep the compartment opening facing upwards when the battery compartment is judged to be in fire, the method further comprises:
detecting the temperature and/or the smoke concentration of the battery compartment;
and when the temperature of the battery compartment reaches a preset temperature threshold value or the concentration of the smoke reaches a preset concentration threshold value, judging that the battery compartment has a fire.
14. The fire extinguishing method for a power changing cabinet according to claim 12, wherein after the step of controlling the valve mechanism to open a valve to allow the coolant in the coolant device to enter the compartment of the battery compartment to soak the rechargeable battery in the compartment, the method further comprises:
when the volume of the cooling liquid in the bin body reaches a preset minimum water containing threshold value, the valve mechanism is controlled to reduce the flow speed of the cooling liquid in the cooling liquid device entering the bin body.
15. The fire extinguishing method for a power changing cabinet according to claim 12, wherein after the step of controlling the valve mechanism to open a valve to allow the coolant in the coolant device to enter the compartment of the battery compartment to soak the rechargeable battery in the compartment, the method further comprises:
and when the volume of the cooling liquid in the bin body is detected to reach a preset maximum water containing threshold value, controlling the valve mechanism to close the valve.
CN202210736581.XA 2022-06-27 2022-06-27 Electricity changing cabinet and fire extinguishing method thereof Pending CN115296354A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210736581.XA CN115296354A (en) 2022-06-27 2022-06-27 Electricity changing cabinet and fire extinguishing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210736581.XA CN115296354A (en) 2022-06-27 2022-06-27 Electricity changing cabinet and fire extinguishing method thereof

Publications (1)

Publication Number Publication Date
CN115296354A true CN115296354A (en) 2022-11-04

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210736581.XA Pending CN115296354A (en) 2022-06-27 2022-06-27 Electricity changing cabinet and fire extinguishing method thereof

Country Status (1)

Country Link
CN (1) CN115296354A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117087490A (en) * 2023-08-18 2023-11-21 江苏恩斯特系统设备有限公司 Battery changing cabinet for storage battery

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117087490A (en) * 2023-08-18 2023-11-21 江苏恩斯特系统设备有限公司 Battery changing cabinet for storage battery
CN117087490B (en) * 2023-08-18 2024-02-09 江苏恩斯特系统设备有限公司 Battery changing cabinet for storage battery

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