Battery box structure

Abstract

The utility model relates to a battery box structure which comprises a cover plate, a box body, a panel and a plastic end plate, and the cover plate covers the top of the box body; the plastic end plate is arranged at one end, close to the panel, of the box body; symmetrical clamping grooves are formed in the end, close to the cover plate, of the side face of the plastic end plate, buckles matched with the clamping grooves are arranged on the panel, the buckles are arranged in the clamping grooves in a clamped mode, and the buckles and the clamping grooves are arranged in a one-to-one correspondence mode. A first gap is formed between the plastic end plate and the cover plate; a second gap is formed between the plastic end plate and the panel; at least two grooves are symmetrically formed in the two sides of the box body, and two parallel soft handles are arranged in each groove. The panel is fixed in a mode of combining the buckles and the screws, so that the panel is convenient to disassemble and assemble while the panel is effectively fixed; through the combination of the soft handle and the hard handle, the carrying capacity of the case can be effectively improved, and the use cost of the handle is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of batteries, and in particular relates to a battery box structure. Background Art

[0002] With the in-depth development of new energy industries such as energy storage, photovoltaics, and wind power, various new energy sources are integrating with each other to form complementary energy stations. Complementary energy stations generally include wind power storage power stations, photovoltaic power stations, and wind and solar power storage power stations.

[0003] With the rapid development of new energy, the current consumption of various new energy products is increasing, and the performance requirements are also becoming increasingly demanding. In the current market, most battery modules utilize an integrated front panel and sheet metal panel, making disassembly difficult and inconvenient for subsequent maintenance. Furthermore, the sheet metal structure of the module poses a safety risk in the event of a collision. Furthermore, conventional front panels lack handles, or those that do make it difficult to install the battery module in the cabinet during assembly, creating safety risks and inconvenient installation. Utility Model Content

[0004] The purpose of the utility model is to provide a battery box structure to solve the technical problems of the existing battery module after a short circuit, such as safety risks, difficulty in disassembly and assembly, and inconvenience in subsequent maintenance.

[0005] To achieve the above-mentioned purpose, the embodiment of the present invention provides a battery box structure, comprising a cover plate, a box body, a panel, and a plastic end plate, wherein the cover plate covers the top of the box body; the plastic end plate is arranged at one end of the box body close to the panel;

[0006] A symmetrical card slot is provided on one end of the side of the plastic end plate close to the cover plate, and a buckle adapted to the card slot is provided on the panel. The buckle is locked in the card slot, and the buckle and the card slot are arranged one-to-one; a first gap is provided between the plastic end plate and the cover plate; a second gap is provided between the plastic end plate and the panel;

[0007] At least two grooves are symmetrically arranged on both sides of the box body, and two soft handles parallel to each other are arranged in each groove.

[0008] As a preferred embodiment, the soft handle is a braided handle; the bottom of the panel is fixed to the plastic end plate by screws. The soft handle can increase the carrying capacity of the chassis while effectively reducing the cost of the handle; the screws can further increase the fixing strength of the panel.

[0009] As a preferred embodiment, a first clamping position is provided at one end corner of the plastic end plate, and a first copper bar is provided on the first clamping position; a second clamping position is provided at the other end corner of the plastic end plate, and the second clamping position is diagonally arranged with the first clamping position; a second copper bar is provided on the second clamping position.

[0010] As a preferred embodiment, the first copper busbar is fixed to the first clamping position via a first insulating column; the second copper busbar is fixed to the second clamping position via a second insulating column.

[0011] As a preferred embodiment, a notch is provided on the plastic end plate, a fuse is provided in the notch, and the fuse is fixed in the notch through the first copper bar and the second copper bar.

[0012] As a preferred embodiment, the notch is arranged at the center of the line connecting the first and second latch positions, and the notch is arranged through the plastic end plate; one end of the fuse is connected to the first copper bar, and the other end is connected to the second copper bar.

[0013] As a preferred embodiment, the notch is adapted to match the fuse, and a third gap is provided between the fuse and the notch.

[0014] As a preferred embodiment, the first copper busbar includes a first connecting portion, a parallel portion, and a second connecting portion that are integrally arranged; the first connecting portion is vertically arranged on one side of the parallel portion, the second connecting portion is vertically arranged on one end of the parallel portion, and the first connecting portion and the second connecting portion are vertically arranged.

[0015] As a preferred embodiment, the first connecting portion and the second connecting portion are both horizontally extended toward the box body; the first connecting portion is respectively connected to the plastic end plate and the battery module in the box body, the parallel portion is fixed to the plastic end plate, and the second connecting portion is connected to the fuse.

[0016] As a preferred embodiment, the parallel portion is arranged in an "L" shape; the connection between the first connecting portion and the parallel portion, and the connection between the second connecting portion and the parallel portion are both provided with an arc.

[0017] As a preferred embodiment, the second copper busbar includes a horizontal portion, an arc portion and a vertical portion; one side of the arc portion is connected to one side of the vertical portion, and the other side of the arc portion is connected to one end of the horizontal portion; the vertical portion is connected to the fuse, and the horizontal portion is connected to the external terminal.

[0018] As a preferred embodiment, the vertical portion and the horizontal portion are arranged perpendicularly; the vertical portion is arranged in an "L" shape; and the horizontal portion is arranged in a plate shape.

[0019] As a preferred embodiment, a third clamping position is provided at another end corner of the plastic end plate, and the third clamping position and the first clamping position are both provided close to the same long side of the plastic end plate; a third copper bar is provided on the third clamping position, and the third copper bar is fixed to the third clamping position through a third insulating column.

[0020] As a preferred embodiment, the first copper bar and the second copper bar are both positive copper bars, and the third copper bar is a negative copper bar; the first connecting portion is connected to the positive electrode of the battery module, and the third copper bar is connected to the negative electrode of the battery module.

[0021] As a preferred embodiment, a cooling fan is further provided on the plastic end plate, and the cooling fan is arranged diagonally to the third copper busbar.

[0022] As a preferred embodiment, the plastic end plate is fixed to the end surface of the box body by a plurality of insulating bolts; and the plurality of insulating bolts are evenly arranged on the edge of the plastic end plate.

[0023] As a preferred embodiment, two hard handles are provided on the side of the plastic end plate close to the panel, one of the hard handles is provided close to the cooling fan, and the other hard handle is provided close to the third copper bar.

[0024] The technical solution proposed in the present invention has the following beneficial effects: the present application adopts a combination of clips and screws to fix the panel, which effectively fixes the panel and facilitates the disassembly and assembly of the panel; by combining the soft handle and the hard handle, the carrying capacity of the chassis can be effectively increased, while the cost of using the handle is effectively reduced. The present application separates the fuse from the fixed structure and adopts a separate fixing method, which can effectively increase the electrical gap and heat dissipation space of the fuse, so that the heat emitted by the fuse during use can be quickly dissipated, effectively reducing the temperature of the fuse, thereby reducing the heat radiation of the fuse temperature rise to the surrounding components, effectively extending the service life of the components, and effectively increasing the secondary use frequency of the fuse, effectively reducing costs. The present invention has a simple structure, good heat dissipation effect, is easy to disassemble and assemble, easy to maintain, has good stability, is economical, safe and practical, and can well meet the needs of actual use. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the overall structure of the battery box structure of one embodiment of the utility model;

[0026] Figure 2 for Figure 1 Schematic diagram of the exploded structure of the battery box structure;

[0027] Figure 3for Figure 1 Schematic diagram of the internal structure of the battery box structure;

[0028] Figure 4 for Figure 3 Schematic diagram of the structure of the plastic end plate;

[0029] Figure 5 for Figure 3 Schematic diagram of the connection structure of the fuse, the first copper bar and the second copper bar. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, top, bottom...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0032] In this application, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; internal communication between two elements or interaction between two elements, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this application based on specific circumstances.

[0033] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element.

[0034] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features specified as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that ordinary technicians in this field can implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0035] like Figures 1 to 4 As shown, the embodiment of the present invention provides a battery box structure, comprising a cover plate 10, a box body 20, a panel 30 and a plastic end plate 40, wherein the cover plate 10 covers the top of the box body 20; the plastic end plate 40 is arranged at one end of the box body 20 close to the panel 30;

[0036] A symmetrical slot 41 is provided on one end of the side of the plastic end plate 40 close to the cover plate 10. A buckle 31 adapted to the slot 41 is provided on the panel 30. The buckle 31 is locked in the slot 41, and the buckle 31 and the slot 41 are arranged one-to-one. A first gap (not marked in the figure) is provided between the plastic end plate 40 and the cover plate 10; a second gap (not marked in the figure) is provided between the plastic end plate 40 and the panel 30.

[0037] At least two grooves 21 are symmetrically provided on both sides of the box body 20 , and two parallel soft handles 50 are provided in each groove 21 .

[0038] As a preferred embodiment, the soft handle 50 is a braided handle; the bottom of the panel 30 is fixed to the plastic end plate 40 by screws. The soft handle 50 can increase the carrying capacity of the chassis and effectively reduce the cost of using the handle; the screws can further increase the fixing strength of the panel.

[0039] As a preferred embodiment, a first clamping position 42 is provided at one end corner of the plastic end plate 40, and a first copper busbar 60 is provided on the first clamping position 42; a second clamping position 43 is provided at the other end corner of the plastic end plate 40, and the second clamping position 43 is diagonally arranged with respect to the first clamping position 42; a second copper busbar 70 is provided on the second clamping position 43.

[0040] As a preferred embodiment, the first copper busbar 60 is fixed to the first clamping position 42 via a first insulating column 61 ; the second copper busbar 70 is fixed to the second clamping position 43 via a second insulating column 71 .

[0041] As a preferred embodiment, the plastic end plate 40 is provided with a notch 44, within which a fuse 80 is disposed. The fuse 80 is secured within the notch 44 via the first copper bar 60 and the second copper bar 70. This arrangement eliminates the need for auxiliary fixing components (such as screws) and allows the fuse 80 to be secured solely by the first and second copper bars 60 and 70. Furthermore, the first and second gaps effectively enhance the heat dissipation of the fuse while providing ample space for component assembly and disassembly, facilitating maintenance of electronic components such as fuses and reducing maintenance costs.

[0042] As a preferred embodiment, the notch 44 is arranged at the center of the line connecting the first clamping position 42 and the second clamping position 43, and the notch 44 is arranged through the plastic end plate 40; one end of the fuse 80 is connected to the first copper busbar 60, and the other end is connected to the second copper busbar 70.

[0043] Fixing the fuse in this way not only effectively solves the insulation problem of the fuse connection, but also facilitates the disassembly and maintenance of the fuse. The fuse can be separated from the fixed structure and fixed in a separate fixing method, which can effectively increase the electrical clearance and heat dissipation space of the fuse, so that the heat emitted by the fuse during use can be quickly dissipated, effectively reducing the temperature of the fuse, and then reducing the heat radiation of the fuse temperature rise to the surrounding components, effectively extending the service life of the components, and at the same time effectively increasing the secondary use frequency of the fuse and effectively reducing costs.

[0044] As a preferred embodiment, the notch 44 is adapted to fit the fuse 80, and a third gap (not marked in the figure) is provided between the fuse 80 and the notch 44. This effectively improves the heat dissipation of the fuse while providing sufficient space for component installation, effectively saving space in the box and reducing the volume of the box.

[0045] As a preferred embodiment, Figure 5 As shown, the first copper busbar 60 includes an integrally formed first connecting portion 62, a parallel portion 63, and a second connecting portion 64. The first connecting portion 62 is perpendicularly disposed to one side of the parallel portion 63, and the second connecting portion 64 is perpendicularly disposed to one end of the parallel portion 62. The first connecting portion 62 and the second connecting portion 64 are arranged perpendicularly. This arrangement effectively secures the fuse while ensuring heat dissipation, and provides sufficient space for component installation while effectively saving space in the box.

[0046] As a preferred embodiment, the first connecting portion 62 and the second connecting portion 64 both extend horizontally toward the housing 20; the first connecting portion 62 is respectively connected to the plastic end plate 40 and the battery module within the housing 20, the parallel portion 63 is fixed to the plastic end plate 40, and the second connecting portion 64 is connected to the fuse 80. This arrangement can most effectively shorten the connection distance and increase the contact area of ​​the connection, thereby effectively reducing the risk of contact heating.

[0047] As a preferred embodiment, the parallel portion 63 is arranged in an L-shaped configuration; the connection between the first connecting portion 62 and the parallel portion 63 and the connection between the second connecting portion 64 and the parallel portion 63 are both provided with an arc.

[0048] As a preferred embodiment, Figure 5 As shown, the second copper busbar 70 includes a horizontal portion 72, an arc portion 73, and a vertical portion 74. One side of the arc portion 73 is connected to one side of the vertical portion 74, and the other side of the arc portion 73 is connected to one end of the horizontal portion 72. The vertical portion 74 is connected to the fuse 80, and the horizontal portion 72 is connected to an external terminal. This arrangement effectively secures the fuse while effectively shortening the connection distance and increasing the contact area, thereby effectively reducing the risk of contact heating.

[0049] As a preferred embodiment, the vertical portion 74 and the horizontal portion 72 are arranged perpendicularly; the vertical portion 74 is arranged in an "L" shape; and the horizontal portion 72 is arranged in a plate shape.

[0050] As a preferred embodiment, a third latch 45 is provided at another corner of the plastic end plate 40. The third latch 45 and the first latch 42 are both located near the same long side of the plastic end plate 40. A third copper busbar 90 is provided on the third latch 45 and secured to the third latch 45 via a third insulating post 91. This arrangement separates the copper busbar from the BMU, increasing the electrical clearance between the busbars. While ensuring efficient heat dissipation, it also enables a rational layout of various components, effectively saving space, reducing the volume of the battery case, and effectively increasing the energy density of the battery case.

[0051] As a preferred embodiment, the first copper bar 60 and the second copper bar 70 are both positive copper bars, and the third copper bar 90 is a negative copper bar; the first connecting portion 62 is connected to the positive electrode of the battery module, and the third copper bar 90 is connected to the negative electrode of the battery module.

[0052] As a preferred embodiment, a heat dissipation fan 100 is further provided on the plastic end plate 40 , and the heat dissipation fan 100 is arranged diagonally to the third copper busbar 90 .

[0053] As a preferred embodiment, the plastic end plate 40 is fixed to the end surface of the box body 20 by a plurality of insulating bolts 46 ; the plurality of insulating bolts 46 are evenly arranged on the edge of the plastic end plate 40 .

[0054] As a preferred embodiment, two hard handles 110 are provided on the side of the plastic end plate 40 close to the panel 30 , one of the hard handles 110 is provided close to the cooling fan 100 , and the other hard handle 110 is provided close to the third copper busbar 90 .

[0055] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the utility model concept, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A battery box structure, characterized in that: It includes a cover plate, a box body, a panel and a plastic end plate, wherein the cover plate covers the top of the box body; the plastic end plate is arranged at one end of the box body close to the panel; A symmetrical card slot is provided on one end of the side of the plastic end plate close to the cover plate, and a buckle adapted to the card slot is provided on the panel. The buckle is locked in the card slot, and the buckle and the card slot are arranged one-to-one; a first gap is provided between the plastic end plate and the cover plate; a second gap is provided between the plastic end plate and the panel; At least two grooves are symmetrically arranged on both sides of the box body, and two soft handles parallel to each other are arranged in each groove.

2. The battery box structure according to claim 1, characterized in that: The soft handle is a braided handle; the bottom of the panel is fixed to the plastic end plate by screws.

3. The battery box structure according to claim 1, characterized in that: A first clamping position is provided at one end corner of the plastic end plate, and a first copper bar is provided on the first clamping position; a second clamping position is provided at the other end corner of the plastic end plate, and the second clamping position is diagonally arranged with the first clamping position; a second copper bar is provided on the second clamping position.

4. The battery box structure according to claim 3, characterized in that: The first copper bar is fixed to the first clamping position through a first insulating column; the second copper bar is fixed to the second clamping position through a second insulating column; A notch is provided on the plastic end plate, a fuse is provided in the notch, and the fuse is fixed in the notch through the first copper bar and the second copper bar.

5. The battery box structure according to claim 4, characterized in that: The notch is provided at the center of the line connecting the first and second latching positions, and the notch is provided through the plastic end plate; one end of the fuse is connected to the first copper bar, and the other end is connected to the second copper bar; The notch is adapted to match the fuse, and a third gap is provided between the fuse and the notch.

6. The battery box structure according to claim 4, characterized in that: The first copper busbar includes a first connecting portion, a parallel portion, and a second connecting portion that are integrally arranged; the first connecting portion is vertically arranged on one side of the parallel portion, the second connecting portion is vertically arranged on one end of the parallel portion, and the first connecting portion and the second connecting portion are vertically arranged.

7. The battery box structure according to claim 6, characterized in that: The first connecting portion and the second connecting portion are both horizontally extended toward the box body; the first connecting portion is respectively connected to the plastic end plate and the battery module in the box body, the parallel portion is fixed to the plastic end plate, and the second connecting portion is connected to the fuse; The parallel portion is arranged in an "L" shape; the connection between the first connecting portion and the parallel portion, and the connection between the second connecting portion and the parallel portion are both provided with an arc.

8. The battery box structure according to claim 4, characterized in that: The second copper busbar includes a horizontal portion, an arc portion, and a vertical portion; one side of the arc portion is connected to one side of the vertical portion, and the other side of the arc portion is connected to one end of the horizontal portion; the vertical portion is connected to the fuse, and the horizontal portion is connected to the external terminal; The vertical portion and the horizontal portion are arranged perpendicularly; the vertical portion is arranged in an "L" shape; and the horizontal portion is arranged in a plate shape.

9. The battery box structure according to claim 7, characterized in that: A third clamping position is provided at another end corner of the plastic end plate, and the third clamping position and the first clamping position are both provided close to the same long side of the plastic end plate; a third copper bar is provided on the third clamping position, and the third copper bar is fixed to the third clamping position by a third insulating column; The first copper bar and the second copper bar are both positive copper bars, and the third copper bar is a negative copper bar; the first connecting portion is connected to the positive electrode of the battery module, and the third copper bar is connected to the negative electrode of the battery module; A heat dissipation fan is also provided on the plastic end plate, and the heat dissipation fan is arranged diagonally to the third copper bar.

10. The battery box structure according to claim 9, characterized in that: Two hard handles are provided on the side of the plastic end plate close to the panel, one of the hard handles is provided close to the cooling fan, and the other hard handle is provided close to the third copper bar.

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