Energy storage battery
By filling the space between the inner and outer compartments of the energy storage battery with U-shaped heat insulation components and fixing them with bolts, multiple heat transfer paths are formed, solving the problem of rapid heat transfer and improving the battery's heat insulation and fire resistance performance.
Patent Information
- Application Number
- CN202422519280.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-17
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-10-17
AI Technical Summary
In high-temperature environments or fires, existing energy storage batteries experience rapid heat transfer through connectors, resulting in insufficient thermal insulation and failing to effectively improve fire resistance.
The structure employs an inner and outer chamber design, with U-shaped first and second insulation components filling the space between the inner and outer chambers and secured by vertical bolts, forming multiple heat transfer paths to reduce direct heat transfer.
It effectively prevents the direct transfer of heat between the inner and outer chambers, improving the thermal insulation and fire resistance of the energy storage battery.
Smart Images
Figure CN223527239U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to battery technology field especially a kind of energy storage battery. BACKGROUND
[0002] In large energy storage station, energy storage battery is generally arranged in suburb and other more remote areas, the outdoor environment of this part of area is generally poor, is easily influenced by high and low temperature, sunning and corrosion and other factors.
[0003] In the related technical scheme, in order to realize the heat preservation and insulation performance of energy storage battery, and increase the protection level of energy storage battery, generally, energy storage battery is set to two layers of warehouse body, a plurality of connecting pieces are installed between the two layers of warehouse body and connected.But the connecting piece is easy to conduct heat.In summer high temperature environment or when fire occurs, heat is easily transferred between the inner and outer layers of warehouse body through the connecting piece, and then the fire resistance and heat preservation and insulation performance of energy storage battery cannot be further improved. UTILITY MODEL CONTENT
[0004] The utility model provides a kind of energy storage battery, can at least solve one of the above technical problems.
[0005] To solve the above technical problems, one or more embodiments of the utility model provide an energy storage battery, which has a first direction, a second direction and a third direction perpendicular to each other, the third direction is a vertical direction, comprising nested inner warehouse body and outer warehouse body, the inner warehouse body is nested in the inner part of outer warehouse body, the battery assembly is installed in the inner warehouse body, and the outer wall surface of the inner warehouse body and the inner wall surface of the outer warehouse body have a gap to form a heat insulation space.
[0006] The gap is filled with a plurality of U-shaped first heat insulation pieces and second heat insulation pieces, and the first heat insulation pieces and the second heat insulation pieces are perpendicular to the third direction.The first heat insulation piece is attached to and connected to the inner wall of the outer warehouse body parallel to the third direction, and the first heat insulation piece does not contact the inner warehouse body.The second heat insulation piece is attached to and connected to the outer wall of the inner warehouse body parallel to the third direction, and the second heat insulation piece does not contact the outer warehouse body.The first heat insulation piece and the second heat insulation piece do not contact, and the first heat insulation piece and the second heat insulation piece are fixed by vertical bolts.
[0007] The beneficial effects of the above one or more technical solutions are:
[0008] In the present scheme, the gap between the first warehouse body and the second warehouse body can separate the inner warehouse body and the outer warehouse body, thereby preventing heat from being directly transferred between them.
[0009] Further, the first heat insulation piece and the second heat insulation piece can reduce heat transfer along the first heat insulation piece and the second heat insulation piece while achieving the connection. Meanwhile, the first heat insulation piece is not in contact with the inner tank body, and the second heat insulation piece is not in contact with the outer tank body, so that the heat transfer path required between the first tank body and the second tank body needs to pass through the first tank body, the bolt and the second tank body in sequence, which can greatly increase the heat transfer path, increase the difficulty of heat transfer between the first tank body and the second tank body, and improve the heat insulation performance. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 is a sectional view of the overall structure in the top view direction of the embodiment of the utility model;
[0011] Figure 2 is a sectional view of the overall structure in the front view direction of the embodiment of the utility model;
[0012] Figure 3 is Figure 2 is a structure enlarged schematic view of part A in the embodiment of the utility model;
[0013] Figure 4 is a schematic view of the outer tank body and the inner tank body in the embodiment of the utility model;
[0014] Figure 5 is a schematic view of the first heat insulation piece installed at the outer tank body in the embodiment of the utility model;
[0015] Figure 6 is a schematic view of the second heat insulation piece installed at the inner tank body in the embodiment of the utility model.
[0016] In the figure, 1, outer tank body; 101, outer plate; 2, gap; 3, inner tank body; 301, inner plate; 4, inner cavity; 5, first heat insulation piece; 501, first main body section; 502, first extension section; 601, second main body section; 602, second extension section; 6, second heat insulation piece; 7, battery assembly; 8, bolt; 9, support piece; 901, inner tube; 902, outer tube; 10, smoke alarm; 11, temperature sensor. DETAILED DESCRIPTION
[0017] In order to clearly illustrate the technical features of the scheme, the utility model will be described in detail below through specific implementation manners, and combined with the drawings.
[0018] Referring to Figures 1-6The embodiment provides a storage battery, which has a first direction, a second direction and a third direction perpendicular to each other, and the third direction is a vertical direction, and the first direction and the second direction are horizontal directions. The storage battery comprises an inner container 3 and an outer container 1 which are nested, the inner container 3 is nested in the inner container 3, a battery assembly 7 is arranged in the inner cavity 4 of the inner container 3, and the outer wall surface of the inner container 3 and the inner wall surface of the outer container 1 have a gap 2 to form a heat insulation space.
[0019] The gap 2 is filled with a plurality of first heat insulation pieces 5 and second heat insulation pieces 6 which are all U-shaped, and the first heat insulation pieces 5 and the second heat insulation pieces 6 are perpendicular to the third direction. The first heat insulation piece 5 is attached to and connected to the inner wall of the outer container 1 parallel to the third direction, and the first heat insulation piece 5 is not in contact with the inner container 3. The second heat insulation piece 6 is attached to and connected to the outer wall of the inner container 3 parallel to the third direction, and the second heat insulation piece 6 is not in contact with the outer container 1. The first heat insulation piece 5 and the second heat insulation piece 6 are not in contact, and the first heat insulation piece 5 and the second heat insulation piece 6 are fixed by vertical bolts 8.
[0020] Specifically, the first heat insulation piece 5 is fixed with the inner container 3, and the second heat insulation piece 6 is fixedly connected with the outer container 1. In other structural arrangements, the first heat insulation piece 5 is connected with the inner container 3 through a vertical first guide groove, the second heat insulation piece 6 is connected with the outer container 1 through a vertical second guide groove, and a vertical supporting rod is arranged between adjacent two first heat insulation pieces 5 to fix the distance between the adjacent first heat insulation pieces 5.
[0021] Specifically, the storage battery in the embodiment has a square battery box, and the battery box comprises the above-mentioned inner container 3 and outer container 1. In addition, the inner container 3 and the outer container are only part of the structure of the separation in the battery box, and the battery box further comprises an electrical element box and other components.
[0022] More specifically, the battery box is a square box, and the inner container 3 and the outer container 1 are both square containers.
[0023] In the embodiment, the first heat insulation piece 5 comprises a first main body segment 501 and a first extension segment 502 which is vertically fixed at both ends of the first main body segment 501; and the second heat insulation piece 6 comprises a second main body segment 601 and a second extension segment 602 which is vertically fixed at both ends of the second main body segment 601.
[0024] For the first heat insulation piece 5, it comprises two types. The first type of first heat insulation piece 5 is arranged as follows: the first main body segment 501 is attached to the inner wall of the outer container 1 perpendicular to the first direction, and the first extension segment 502 is attached to the inner wall of the outer container 1 perpendicular to the second direction. The second type of first heat insulation piece 5 is arranged as follows: the first main body segment 501 is attached to the inner wall of the outer container 1 perpendicular to the second direction, and the first extension segment 502 is attached to the inner wall of the outer container 1 perpendicular to the first direction.
[0025] Similarly, the second heat insulation member 6 also includes two types. The first type of second heat insulation member 6 is arranged such that the second main body section 601 is attached to the outer wall of the inner cartridge body 3 in the first direction, and the second extension section 602 is attached to the outer wall of the outer cartridge body 1 in the second direction. The second type of second heat insulation member 6 is arranged such that the second main body section 601 is attached to the outer wall of the inner cartridge body 3 in the second direction, and the second extension section 602 is attached to the outer wall of the inner cartridge body 3 in the first direction.
[0026] At this time, the first type of first heat insulation member 5 and the first type of second heat insulation member 6 are connected by the vertical bolt 8. The second type of first heat insulation member 5 and the second type of second heat insulation member 6 are connected by the vertical bolt 8.
[0027] In this embodiment, the first main body section 501, the first extension section 502, the second main body section 601, and the second extension section 602 are all hollow tubes with a square cross section.
[0028] Specifically, in the case where the main body section and the extension section are both hollow tubes, as one specific structural form, the first main body section 501 and the first extension section 502 are integrally formed, and the second main body section 601 and the second extension section 602 are also integrally formed.
[0029] In other structural arrangements, the two ends of the first main body section 501 and the first extension section 502 are sealed, and abut against each other and are fixed by the bolt 8. Similarly, the two ends of the second main body section 601 and the second extension section 602 are sealed, and abut against each other and are fixed by the bolt 8.
[0030] In this embodiment, the plurality of first heat insulation members 5 are arranged uniformly along the third direction, and the plurality of second heat insulation members 6 are arranged uniformly along the third direction.
[0031] More specifically, along the first direction, the projections of the plurality of first heat insulation members 5 do not coincide, and the projections of the plurality of second heat insulation members 6 do not coincide.
[0032] In this embodiment, the side surfaces of the inner cartridge body 3 and the outer cartridge body 1 in the third direction are respectively filled with a support member 9, which includes an inner tube 901 and an outer tube 902 arranged in a nested manner. The outer tube 902 is fixed to the outer wall of the inner cartridge body 3, the inner tube 901 is fixed to the inner wall of the outer cartridge body 1, and a spring is embedded in the inner tube 901.
[0033] Specifically, a guide strip along the axial direction of the inner tube 901 is fixed to the outer wall surface of the inner tube 901, and a guide groove along the axial direction of the outer tube 902 is fixed to the inner wall surface of the outer tube 902. The guide strip is inserted into the guide groove, thereby guiding the relative sliding of the inner tube 901 and the outer tube 902 in the axial direction.
[0034] In the embodiment, the four outer sides (the sides perpendicular to the first direction or the second direction) of the inner container 3 are respectively provided with the second heat insulation members 6. The four inner sides of the outer container 1 are respectively provided with the first heat insulation members 5, and the two are connected by the bolts 8. The upper top surface and the lower bottom surface of the inner container 3 are fixed with the inner tube 901, and the top surface and the bottom surface of the inner wall of the outer container 1 are fixed with the outer tube 902.
[0035] In the embodiment, the inner container 3 and the outer container 1 are both square boxes. The inner container 3 is formed by a plurality of inner plates 301, and the outer container 1 is formed by a plurality of outer plates 101.
[0036] In one structure, the plurality of inner plates 301 are fixed by strong glue or connected by the bolts 8. Similarly, the plurality of outer plates 101 are fixed by strong glue or connected by the bolts 8.
[0037] In the embodiment, the energy storage battery is provided with the smoke alarm 10 and the temperature sensor 11 at the gap 2.
[0038] Correspondingly, the energy storage battery is provided with a controller for receiving signals of the smoke alarm 10 and the temperature sensor 11 and transmitting the signals to a remote control terminal.
[0039] Specifically, referring to Figures 5-6 , the first main section 501 and the second main section 601 are arranged on the side of the battery box perpendicular to the second direction, and the first extension section 502 and the second extension section 602 are arranged on the side of the battery box perpendicular to the first direction.
[0040] In some other structures, the first main section 501 of some of the first heat insulation members 5 is arranged on the side of the battery box perpendicular to the first direction, and the second main section 601 of some of the second heat insulation members 6 is correspondingly arranged on the side of the battery box perpendicular to the first direction.
[0041] Working principle: when the device is used, first, the battery assembly 7 is installed in the inner container 3, and then the inner container 3 is installed in the outer container 1. After installation, the four sides of the inner container 3 are fixedly connected with the outer container 1 by the first heat insulation members 5, the bolts 8 and the second heat insulation members 6. Then, the upper top surface and the lower bottom surface of the inner container 3 are elastically supported by the inner tube 901, the outer tube 902 and the spring, so as to avoid external impact and shaking from being transmitted to the inner container 3 from the outer container 1.
[0042] In use, the heat transfer between the inner container 3 and the outer container 1 needs to pass through a long path of the first heat insulation members 5, the second heat insulation members 6 and the bolts 8, or needs to pass through the inner tube 901 and the outer tube 902 which only have surface contact. That is, the embodiment can effectively reduce the heat transfer between the inner container 3 and the outer container 1 of the battery box and improve the heat preservation and insulation effect of the battery box.
[0043] The above detailed description cannot be regarded as a limitation to the protection scope of the present application, and any alternative improvement or transformation made by the skilled in the art to the embodiments of the present application falls within the protection scope of the present application.
[0044] The unexplained parts of the present application are the common knowledge of the skilled in the art.
Claims
1. An energy storage battery having a first direction, a second direction, and a third direction, each of which is perpendicular to the other two, the third direction being a vertical direction, characterized by, The energy storage battery comprises an inner container and an outer container, the inner container is nested in the inner container, a battery assembly is installed in the inner container, and the outer wall of the inner container and the inner wall of the outer container have a gap to form a heat insulation space. The gap is filled with a plurality of U-shaped first heat insulation members and second heat insulation members, the first heat insulation members and the second heat insulation members are perpendicular to the third direction, the first heat insulation members are attached to and connected to the inner wall of the outer container parallel to the third direction, the first heat insulation members are not in contact with the inner container, the second heat insulation members are attached to and connected to the outer wall of the inner container parallel to the third direction, and the second heat insulation members are not in contact with the outer container. The first heat insulation members and the second heat insulation members are not in contact, and the first heat insulation members and the second heat insulation members are fixed by vertical bolts.
2. The energy storage cell of claim 1, wherein, The first heat insulation members comprise first body segments and first extension segments fixed vertically at both ends of the first body segments, and the second heat insulation members comprise second body segments and second extension segments fixed vertically at both ends of the second body segments.
3. The energy storage cell of claim 2, wherein, The first body segments, the first extension segments, the second body segments and the second extension segments are all hollow tubes with square cross sections.
4. The energy storage cell of claim 1, wherein, The plurality of first heat insulation members are arranged uniformly along the third direction, and the plurality of second heat insulation members are arranged uniformly along the third direction.
5. The energy storage cell of claim 4, wherein, Along the first direction, the projections of the plurality of first heat insulation members do not coincide, and the projections of the plurality of second heat insulation members do not coincide.
6. The energy storage cell of claim 1, wherein, The side surfaces of the inner container and the outer container perpendicular to the third direction are respectively filled with support members, the support members comprise nested inner tubes and outer tubes, the outer tubes are fixed with the outer wall of the inner container, the inner tubes are fixed with the inner wall of the outer container, and springs are embedded in the inner tubes.
7. The energy storage cell of claim 1, wherein, The inner container and the outer container are both square boxes, the inner container is formed by a plurality of inner plates, and the outer container is formed by a plurality of outer plates.
8. The energy storage cell of claim 1, wherein, The energy storage battery is provided with a smoke alarm and a temperature sensor at the gap.