CN116435656B - Energy storage battery box with efficient heat insulation structure - Google Patents

Energy storage battery box with efficient heat insulation structure Download PDF

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Publication number
CN116435656B
CN116435656B CN202310262794.8A CN202310262794A CN116435656B CN 116435656 B CN116435656 B CN 116435656B CN 202310262794 A CN202310262794 A CN 202310262794A CN 116435656 B CN116435656 B CN 116435656B
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China
Prior art keywords
box
heat conduction
battery
seat
energy storage
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CN202310262794.8A
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Chinese (zh)
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CN116435656A (en
Inventor
姚焕坚
周觉
邱峰
李国军
贺华
胡田
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Fanzhida Technology Shenzhen Co ltd
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Fanzhida Technology Shenzhen Co ltd
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Priority to CN202310262794.8A priority Critical patent/CN116435656B/en
Publication of CN116435656A publication Critical patent/CN116435656A/en
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    • 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
    • H01M10/615—Heating or keeping warm
    • 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
    • H01M10/61—Types of temperature control
    • H01M10/617—Types of temperature control for achieving uniformity or desired distribution of 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
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • 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
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • 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
    • H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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

Abstract

The invention relates to the technical field of battery boxes, in particular to an energy storage battery box with a high-efficiency heat insulation structure, which comprises a box body and a box cover fixed on the upper part of the box body through bolts, wherein the box body consists of a bottom plate and side plates, battery units are arranged on the bottom plate and positioned on the inner sides of the side plates, and a metal heat dissipation frame is arranged on the outer sides of the side plates. The invention provides an energy storage battery box with a high-efficiency heat insulation structure, which is characterized in that a plurality of battery modules are respectively arranged in a plurality of heat conduction seats, a metal heat dissipation frame is arranged at the outer side of the box body, a first spiral cavity is arranged in the metal heat dissipation frame, a second spiral cavity is arranged in the heat conduction seat, a storage box for storing cooling media is also arranged in the heat conduction seat, and the first spiral cavity, the storage box and the second spiral cavity form a circulating flowing loop structure, so that a stable heat dissipation mode is formed, and the heat dissipation seat is arranged at the outer side of each battery module, so that the heat dissipation uniformity of the whole battery unit is ensured.

Description

Energy storage battery box with efficient heat insulation structure
Technical Field
The invention relates to the technical field of battery boxes, in particular to an energy storage battery box with an efficient heat insulation structure.
Background
The battery box is a group battery composed of a plurality of single batteries, a box body, a battery management system, related installation structural members (devices) and the like, and is provided with a battery box structure, battery box monitoring equipment, a battery box connector, battery box ring control equipment and the like which meet the standard.
As known, the existing energy storage battery can generate heat energy in the process of charging and discharging, so that most of the existing energy storage battery boxes matched with the energy storage battery are of a single structure made of metal materials, and the single structure made of metal materials is beneficial to heat dissipation of the battery, so that the battery works at a proper temperature to prolong the service life of the battery;
But the energy storage battery box of metal material does not possess fine thermal-insulated effect, to cold district or winter, will be unfavorable for the work of battery to will greatly reduced battery system's capacity and life, and single energy storage battery box through metal material is used for the heat dissipation of battery, make the part that is close to the battery box outer wall dispel the heat soon, battery temperature is lower relatively, and in the battery box its heat dissipation that is in inside will be hindered, battery temperature is higher relatively, the production of difference in temperature will be unfavorable for battery system's stability.
Disclosure of Invention
In order to solve the problems, the invention provides an energy storage battery box with an efficient heat insulation structure.
The invention adopts the following technical scheme that the energy storage battery box with the high-efficiency heat insulation structure comprises a box body and a box cover which is fixed on the upper part of the box body through bolts, wherein the box body consists of a bottom plate and side plates, battery units are arranged on the bottom plate and positioned on the inner sides of the side plates, and a metal heat dissipation frame is arranged on the outer sides of the side plates;
The battery unit comprises a plurality of heat conduction seats distributed in a rectangular array, two adjacent heat conduction seats are mutually attached, each heat conduction seat is of a rectangular structure, a plurality of second spiral cavities used for flowing heat dissipation media are formed in the heat conduction seats, each second spiral cavity formed in each heat conduction seat is connected in a head-tail mode sequentially through a connecting pipe in a conducting mode, one of the second spiral cavities is fixedly connected with a storage box through a guide pipe in a bolt mode on the outer wall of each heat conduction seat, one end of each guide pipe extends to the inner bottom end of each storage box, a miniature infusion pump is mounted on each storage box, the corresponding storage box is connected with the corresponding first spiral cavity in a conducting mode through a connecting pipeline, and a battery module is arranged in each heat conduction seat.
As a further description of the above technical solution: the box comprises a plastic layer, an aerogel layer and a flame-retardant layer, wherein the aerogel layer and the flame-retardant layer are wrapped in the plastic layer, the plastic layer is made of polypropylene materials, and the flame-retardant layer is made of ABS materials.
As a further description of the above technical solution: the cylindrical groove is formed in the center of the upper surface of the heat conduction seat, the battery module is inserted into the cylindrical groove, the outer diameter of the cylindrical groove is larger than that of the battery module, and heat conduction silica gel is poured into a gap between the cylindrical groove and the battery module.
As a further description of the above technical solution: the box cover is provided with a containing cavity, an electricity receiving seat capable of moving up and down is arranged in the containing cavity, and a charging and discharging interface is embedded and arranged on one side wall of the electricity receiving seat.
As a further description of the above technical solution: the electric connection seat is connected in a sliding manner in the accommodating cavity, a first spring is fixedly bonded at the center of the lower surface of the electric connection seat, a groove is formed in one side wall of the accommodating cavity, a lock pin is connected in a sliding manner in the groove, a second spring is bonded on one side wall of the lock pin away from the accommodating cavity, the lock pin is provided with a protrusion extending to the outer wall through the groove, and a lock hole matched with the lock pin for use is formed in the electric connection seat.
As a further description of the above technical solution: the first spiral cavity, the storage box and the second spiral cavity form a circulating flow loop structure.
As a further description of the above technical solution: the side wall of the power receiving seat is welded with a sliding block, the inner wall of the accommodating cavity is provided with a sliding groove, and the sliding block is in sliding connection with the sliding groove.
In the technical scheme, the energy storage battery box with the efficient heat insulation structure comprises a box body, wherein the box body consists of a plastic layer, an aerogel layer and a flame retardant layer which are wrapped in the plastic layer, and the air gel layer and the flame retardant layer are arranged, so that the box body has good heat insulation and heat preservation effects, the battery is not easily influenced by external low temperature when in use, the service life of the battery is prolonged, a plurality of battery modules are further arranged in a plurality of heat conduction seats respectively, a metal heat dissipation frame is arranged on the outer side of the box body, a first spiral cavity is arranged in the metal heat dissipation frame, a second spiral cavity is arranged in the heat conduction seat, a storage box for storing cooling media is further arranged, the first spiral cavity, the storage box and the second spiral cavity form a circulating flow loop structure, a stable heat dissipation mode is formed, the outer side of each battery module is provided with a heat conduction seat, the uniformity of the whole battery unit is guaranteed, the box body in the process of arranging the heat insulation structure can not influence the heat dissipation of the battery unit, and the heat dissipation of the battery unit can be further prevented from colliding through the heat dissipation frame arranged on the outer side of the metal heat dissipation frame;
further, set up the cylinder groove in the heat conduction seat, place the battery module in the cylinder groove, and leave the clearance before the inner wall in battery module and the heat conduction seat, pack heat conduction silica gel in the clearance, pour battery module through heat conduction silica gel and inlay and establish in the heat conduction seat, on the one hand, make when the battery cell receives the collision extrusion deformation, as soft deformation space through heat conduction silica gel, make the difficult direct deformation of battery module damage, reduce the cost of damage, and regard as the heat conduction medium through heat conduction silica gel, more even on the heat conduction seat is transmitted to the heat that produces battery module charge and discharge, because the outside of the battery module of the even parcel of heat conduction silica gel is all around.
Drawings
The invention is further explained below with reference to the drawings and examples:
Fig. 1 is a schematic diagram of a split structure of an energy storage battery box with a high-efficiency heat insulation structure according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of an energy storage battery box with a high-efficiency heat insulation structure according to an embodiment of the present invention;
Fig. 3 is a schematic structural diagram of an energy storage battery box with a high-efficiency heat insulation structure according to an embodiment of the present invention;
FIG. 4 is an enlarged view of area A in FIG. 2 according to an embodiment of the present invention;
Fig. 5 is a schematic structural diagram of a heat conducting seat according to an embodiment of the present invention;
FIG. 6 is a schematic cross-sectional view of a case according to an embodiment of the present invention;
Fig. 7 is a schematic cross-sectional view of a case cover according to an embodiment of the present invention.
In the figure: 1. a case; 2. a case cover; 21. a receiving chamber; 22. a power receiving seat; 23. a first spring; 24. a lock hole; 25. a groove; 26. a locking pin; 27. a second spring; 28. a slide block; 29. a chute; 3. a metal heat dissipation frame; 31. a first helical cavity; 32. a flame retardant layer; 33. a plastic layer; 34. an aerogel layer; 4. a battery unit; 41. a heat conduction seat; 42. a battery module; 43. a storage box; 44. a second helical cavity; 45. thermally conductive silica gel; 46. a conduit; 47. an infusion pump.
Detailed Description
The application is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the application easy to understand. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
Referring to fig. 1 to 7, the embodiment of the present invention provides a technical solution: the utility model provides an energy storage battery box of high-efficient thermal-insulated structure, includes box 1 and bolt fastening at box 1 upper portion's case lid 2, and box 1 comprises bottom plate and curb plate, is provided with battery unit 4 on the bottom plate in the curb plate inboard, is provided with metal heat dissipation frame 3 outside the curb plate;
The metal heat dissipation frame 3 is inside to be offered and to be used for the first spiral cavity 31 that the heat dissipation medium flows, battery unit 4 includes that a plurality of is the heat conduction seat 41 that the rectangle array distributes, two adjacent heat conduction seats 41 laminating each other, the heat conduction seat 41 is rectangular structure, the second spiral cavity 44 that is used for the heat dissipation medium to flow has all been offered to the inside of a plurality of heat conduction seat 41, the second spiral cavity 44 that offers in every heat conduction seat 41 is connected through connecting pipe turn on, the bolt fastening has the storage box 43 on the outer wall of one of them heat conduction seat 41, the storage box 43 is connected through pipe 46 conduction with the one end of second spiral cavity 44, the one end of pipe 46 extends to the inside bottom of storage box 43 and installs miniature infusion pump 47, storage box 43 still is connected through connecting pipe and first spiral cavity 31 conduction, first spiral cavity 31 and second spiral cavity 44 conduction are connected, be provided with battery module 42 in the heat conduction seat 41, first spiral cavity 31, storage box 43 and second spiral cavity 44 form circulation flow's loop structure.
The case 1 is composed of a plastic layer 33, an aerogel layer 34 and a flame retardant layer 32 which are wrapped in the plastic layer 33, the plastic layer 33 is made of polypropylene material, and the flame retardant layer 32 is made of ABS material.
Specifically, the energy storage battery box with the high-efficiency heat insulation structure comprises a box body 1, a plurality of battery modules 42, a plurality of heat conduction seats 41 and a metal heat dissipation frame 3, wherein the aerogel layer 34 and the flame retardant layer 32 are wrapped in the plastic layer 33, the aerogel layer 34 and the flame retardant layer 32 are arranged, so that the box body 1 has good heat insulation, heat preservation and flame retardance effects, the battery is not easily influenced by external low temperature when in use, the service life of the battery is prolonged, the battery modules 42 are respectively arranged in the plurality of heat conduction seats 41, the metal heat dissipation frame 3 is arranged outside the box body 1, the first spiral cavity 31 is arranged in the metal heat dissipation frame 3, the second spiral cavity 44 is arranged in the heat conduction seat 41, the storage box 43 for storing cooling mediums is further arranged, the first spiral cavity 31, the storage box 43 and the second spiral cavity 44 form a circulating flow loop structure, thereby forming a stable heat dissipation mode, when in use, heat is generated in the process of fully electrically transferring the battery modules 42 in the heat conduction seat 41 to the heat conduction seat 41, at the moment, the cooling medium in the storage box 43 is pumped into the second spiral cavity 44 under the action of the miniature infusion pump 47, the heat of the heat conduction seat 41 is absorbed by the cooling medium, the cooling medium absorbing the heat is transferred into the first spiral cavity 31, then the heat energy absorbed by the cooling medium is transferred onto the metal heat dissipation frame 3, the metal heat dissipation frame 3 is in contact with air for heat exchange, then the cooled cooling medium is returned into the storage box 43 again to form circulation flow for heat dissipation, the heat dissipation mode firstly comprises the heat conduction seat 41 arranged on the outer side of each battery module 42 to ensure the heat dissipation uniformity of the whole battery unit 4, and the heat dissipation of the battery unit 4 can not be influenced by the box body 1 when the external heat preservation and insulation is arranged, and further, the outer side of the box body 1 can be protected from collision by arranging the metal heat dissipation frame 3. Improving the collision resistance.
In still another embodiment of the present invention, a cylindrical groove is formed in the center of the upper surface of the heat conducting seat 41, a battery module 42 is inserted into the cylindrical groove, the outer diameter of the cylindrical groove is larger than the outer diameter of the battery module 42, and heat conducting silica gel 45 is poured into the gap between the cylindrical groove and the battery module 42.
Specifically, set up the cylinder groove in the heat conduction seat 41, place the battery module 42 in the cylinder groove, and leave the clearance before the inner wall in battery module 42 and the heat conduction seat 41, pour the heat conduction silica gel 45 in the clearance, pour the battery module 42 and inlay and establish in the heat conduction seat 41 through heat conduction silica gel 45, on the one hand, make when the battery unit 4 receives collision extrusion deformation, through heat conduction silica gel 45 as soft deformation space, make battery module 42 difficult direct deformation damage, reduce the cost of damage, make battery module 42 difficult direct damage cause spontaneous combustion scheduling problem, and through heat conduction silica gel 45 as the heat conduction medium, more even on the heat transfer to the heat conduction seat 41 that produces battery module 42 charge and discharge, because the outside of the battery module 42 of the even parcel of heat conduction silica gel 45 is all around.
In still another embodiment provided by the invention, the accommodating cavity 21 is formed on the box cover 2, the electric receiving seat 22 capable of moving up and down is arranged in the accommodating cavity 21, the charging and discharging interface is embedded and arranged on one side wall of the electric receiving seat 22, the electric receiving seat 22 is slidably connected in the accommodating cavity 21, the first spring 23 is fixedly adhered to the center of the lower surface of the electric receiving seat 22, the groove 25 is formed on one side wall of the accommodating cavity 21, the lock pin 26 is slidably connected in the groove 25, the second spring 27 is adhered to one side wall of the lock pin 26 far away from the accommodating cavity 21, the lock pin 26 is provided with a protrusion extending to the outer wall through the groove 25, the lock hole 24 matched with the lock pin 26 is formed on the electric receiving seat 22, the slide block 28 is welded on the side wall of the electric receiving seat 22, the slide groove 29 is formed on the inner wall of the accommodating cavity 21, and the slide block 28 is slidably connected with the slide groove 29.
Specifically, the energy storage battery box with the high-efficiency heat insulation structure is characterized in that the accommodating cavity 21 is formed in the box cover 2, the power receiving seat 22 is movably arranged in the accommodating cavity 21, and when the power receiving seat 22 is used, the power receiving seat can be contracted into the accommodating cavity 21, so that the surface of the box cover 2 is of a flat structure, and the energy storage battery box with the high-efficiency heat insulation structure is convenient to transport and more convenient;
When the power receiving seat 22 needs to be contracted into the accommodating cavity 21, the lock pin 26 is pulled through the protrusion, so that the second spring 27 is contracted, the lock pin 26 moves into the groove 25, then the power receiving seat 22 is contracted and pressed, the first spring 23 positioned below the power receiving seat 22 is contracted, the power receiving seat 22 moves down into the accommodating cavity 21, the protrusion is not pushed at the moment, and the lock pin 26 is driven to be inserted into the lock hole 24 under the resilience force of the second spring 27, so that the positioning and limiting of the power receiving seat 22 are realized.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, and that the foregoing embodiments and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, and these changes and modifications fall within the scope of the invention as hereinafter claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides an energy storage battery box of high-efficient thermal-insulated structure, includes box (1) and bolt fastening at case lid (2) on box (1) upper portion, its characterized in that: the box body (1) consists of a bottom plate and side plates, wherein a battery unit (4) is arranged on the bottom plate and positioned on the inner side of each side plate, and a metal heat dissipation frame (3) is arranged on the outer side of each side plate;
The battery unit (4) comprises a plurality of heat conduction seats (41) distributed in a rectangular array, two adjacent heat conduction seats (41) are mutually attached, each heat conduction seat (41) is of a rectangular structure, a plurality of second spiral cavities (44) used for flowing heat dissipation media are formed in the heat conduction seats (41), the second spiral cavities (44) formed in each heat conduction seat (41) are connected in a head-tail mode sequentially through connecting pipes, a storage box (43) is fixedly connected to one end of one heat conduction seat (41) through a guide pipe (46), one end of each guide pipe (46) extends to the inner bottom end of each storage box (43) and is provided with a miniature infusion pump (47), the storage boxes (43) are connected with the first spiral cavities (31) in a conducting mode through connecting pipes, and the first spiral cavities (41) are connected with the second spiral cavities (42) in a conducting mode;
The box body (1) is composed of a plastic layer (33), an aerogel layer (34) and a flame-retardant layer (32) which are wrapped in the plastic layer (33), wherein the plastic layer (33) is made of a polypropylene material, and the flame-retardant layer (32) is made of an ABS material;
The cylindrical groove is formed in the center of the upper surface of the heat conduction seat (41), the battery module (42) is inserted into the cylindrical groove, the outer diameter of the cylindrical groove is larger than that of the battery module (42), and heat conduction silica gel (45) is poured into a gap between the cylindrical groove and the battery module (42).
2. The energy storage battery box with the efficient heat insulation structure according to claim 1, wherein a containing cavity (21) is formed in the box cover (2), a power receiving seat (22) capable of moving up and down is arranged in the containing cavity (21), and a charging and discharging interface is embedded in one side wall of the power receiving seat (22).
3. The energy storage battery box with the efficient heat insulation structure according to claim 2, wherein the electricity receiving seat (22) is slidably connected in the accommodating cavity (21), a first spring (23) is fixedly adhered to the center of the lower surface of the electricity receiving seat (22), a groove (25) is formed in one side wall of the accommodating cavity (21), a lock pin (26) is slidably connected in the groove (25), a second spring (27) is adhered to one side wall, far away from the accommodating cavity (21), of the lock pin (26), a protrusion penetrating through the groove (25) and extending to the outer wall is arranged on the lock pin (26), and a lock hole (24) matched with the lock pin (26) is formed in the electricity receiving seat (22).
4. The energy storage battery box with a high-efficiency heat insulation structure according to claim 1, wherein the first spiral cavity (31), the storage box (43) and the second spiral cavity (44) form a circulating flow loop structure.
5. The energy storage battery box with the efficient heat insulation structure according to claim 3, wherein a sliding block (28) is welded on the side wall of the power receiving seat (22), a sliding groove (29) is formed in the inner wall of the accommodating cavity (21), and the sliding block (28) is slidably connected with the sliding groove (29).
CN202310262794.8A 2023-03-17 2023-03-17 Energy storage battery box with efficient heat insulation structure Active CN116435656B (en)

Priority Applications (1)

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CN116435656B true CN116435656B (en) 2024-05-03

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