Battery box

Abstract

The utility model belongs to the technical field of battery boxes, and particularly relates to a battery box which comprises a base, a plurality of battery cabins and an inverter, each battery cabin comprises a cabin body used for containing batteries, the cabin body is provided with a first interface and a second interface, one side of the cabin body is provided with a first connecting structure, and the other side of the cabin body is provided with a second connecting structure. In every two adjacent battery bins, the second interface of the battery bin close to the inverter is electrically connected with the first interface of the battery bin close to the base, the second connecting structure of the battery bin close to the inverter is connected with the first connecting structure of the battery bin close to the base, and a first end connecting structure is arranged on the side, facing the bin body, of the inverter. A second end connecting structure is arranged on the side, facing the bin body, of the base, the first connecting structure of the battery bin on the uppermost layer is connected with the first end connecting structure, and the second connecting structure of the battery bin on the lowermost layer is connected with the second end connecting structure. An insulating tape is omitted, and the heat dissipation performance of the battery compartment is improved.

Description

Technical Field

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

[0002] An existing battery box includes multiple battery compartments, each of which is provided with a first interface and a second interface. The multiple battery compartments are stacked up and down, and between two adjacent battery compartments, the second interface of the upper battery compartment is connected to the second interface of the upper battery compartment, so that all battery compartments are connected in series, and insulating tape is wrapped around the position where the upper and lower adjacent battery compartments are in contact, so as to prevent the battery compartments from skewing.

[0003] However, in the existing battery box, the insulating tape wrapped around the position where two upper and lower adjacent battery compartments are in contact affects the heat dissipation of the battery compartments. Utility Model Content

[0004] The technical problem to be solved by the utility model is: to provide a battery box for the problem that the insulating tape wrapped around the adjacent positions of two upper and lower battery compartments in the existing battery box affects the heat dissipation of the battery compartments.

[0005] To solve the above technical problems, an embodiment of the present utility model provides a battery box, comprising a base, a battery compartment, and an inverter. The battery compartment is provided in plurality, and the plurality of battery compartments are stacked up and down between the base and the inverter. The battery compartment includes a compartment body for containing batteries, the compartment body being provided with a first interface and a second interface, a first connecting structure being provided on a side of the compartment body facing the inverter, and a second connecting structure being provided on a side of the compartment body facing the base.

[0006] In two adjacent battery compartments, the second interface of the battery compartment near the inverter is electrically connected to the first interface of the battery compartment near the base, and the second connection structure of the battery compartment near the inverter is connected to the first connection structure of the battery compartment near the base;

[0007] The inverter is provided with a first end connection structure on the side facing the warehouse body, and the base is provided with a second end connection structure on the side facing the warehouse body. In each battery warehouse, the first connection structure of the battery warehouse on the top layer is connected to the first end connection structure, and the second connection structure of the battery warehouse on the bottom layer is connected to the second end connection structure.

[0008] Optionally, the first connection structure includes a first plug-in board, which is provided on a side of the silo facing the inverter, and the second connection structure includes a first plug-in hole, which is provided on a side of the silo facing the base;

[0009] In two adjacent battery compartments, the first plug-in board of one battery compartment is plugged into the first plug-in hole of the other battery compartment.

[0010] Optionally, a first connecting hole is provided on the first plug-in board, and the warehouse body is connected to the first plug-in board by bolts.

[0011] Optionally, the first connection structure further includes a second plug-in board, which is arranged on a side of the hopper body facing the inverter, and is spaced apart from the first plug-in board. The second connection structure further includes a second plug-in hole, which is arranged on a side of the hopper body facing the base, and is spaced apart from the first plug-in hole.

[0012] In two adjacent battery compartments, the second plug-in board of one battery compartment is plugged into the second plug-in hole of the other battery compartment.

[0013] Optionally, a second connecting hole is provided on the second plug-in board, and the warehouse body is connected to the second plug-in board by bolts.

[0014] Optionally, the first connection structure further includes a first connection groove, the first connection groove is arranged on a side of the warehouse body facing the inverter, and the first plug-in board and the second plug-in board are spaced apart and arranged at the bottom of the first connection groove;

[0015] The second connecting structure also includes a first protrusion, which is arranged on the side of the battery compartment body facing the base, and the first protrusion is arranged between the first plug-in hole and the second plug-in hole. In the two adjacent battery compartments, the first protrusion of one battery compartment is plugged into the first connecting groove of the other battery compartment.

[0016] Optionally, the first interface is arranged in the first connecting groove, and the second interface is arranged on the first convex plate.

[0017] Optionally, the first end connection structure includes a second protrusion, a third plug-in hole and a fourth plug-in hole, the second protrusion is arranged between the third plug-in hole and the fourth plug-in hole, the second protrusion is plugged into the first connection groove, the first plug-in plate is plugged into the third plug-in hole, and the second plug-in plate is plugged into the fourth plug-in hole.

[0018] Optionally, a third interface is provided on the second convex plate, and the third interface is electrically connected to the first interface.

[0019] Optionally, the second end connection structure includes a second connection slot, a third plug-in board and a fourth plug-in board, the second connection slot is arranged on the side of the base facing the battery compartment, the third plug-in board and the fourth plug-in board are arranged on both sides of the second connection slot, the first protrusion is plugged into the second connection slot, the third plug-in board is plugged into the first plug-in hole, and the fourth plug-in board is plugged into the second plug-in hole.

[0020] According to the battery box of the embodiment of the utility model, the upper and lower adjacent battery compartments are connected and fixed by the first connecting structure and the second connecting structure, the battery compartment and the inverter are connected and fixed by the first end connecting structure, and the battery compartment and the base are fixed by the second end connecting structure, thereby forming a complete battery box. Compared with the existing technology, it is convenient to connect, and the insulating tape is eliminated, which improves the heat dissipation performance of the battery compartment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is an exploded schematic diagram of a battery box provided in one embodiment of the present utility model;

[0022] Figure 2 for Figure 1 Schematic diagram of the structure of the battery compartment;

[0023] Figure 3 for Figure 2 Another perspective of

[0024] Figure 4 for Figure 1 Schematic diagram of the inverter structure.

[0025] The figure marks in the specification are as follows: 1. base; 2. third plug board; 3. fourth plug board; 4. battery compartment; 5. inverter; 6. bolt; 7. rubber plug; 8. first plug board; 9. first connecting hole; 10. second plug board; 11. second connecting hole; 12. first connecting groove; 13. first interface; 14. first protrusion; 15. first plug hole; 16. second plug hole; 17. second interface; 18. second protrusion; 19. third plug hole; 20. fourth plug hole; 21. third interface; 22. first mounting hole; 23. second mounting hole; 24. compartment body; 25. second connecting groove. DETAILED DESCRIPTION

[0026] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0027] like Figures 1 to 4As shown, an embodiment of the present invention provides a battery box, including a base 1, a battery compartment 4 and an inverter 5, wherein the battery compartment 4 is provided in plurality, and the plurality of battery compartments 4 are stacked up and down between the base 1 and the inverter 5, and the battery compartment 4 includes a compartment body 24 for holding batteries, and the compartment body 24 is provided with a first interface 13 and a second interface 17, and a first connecting structure is provided on a side of the compartment body 24 facing the inverter 5, and a second connecting structure is provided on a side of the compartment body 24 facing the base 1.

[0028] In the two adjacent battery compartments 4, the second interface 17 of the battery compartment 4 close to the inverter 5 is electrically connected to the first interface 13 of the battery compartment 4 close to the base 1, and the second connection structure of the battery compartment 4 close to the inverter 5 is connected to the first connection structure of the battery compartment 4 close to the base 1.

[0029] The inverter 5 is provided with a first end connection structure on the side facing the warehouse body 24, and the base 1 is provided with a second end connection structure on the side facing the warehouse body 24. In each of the battery compartments 4, the first connection structure of the battery compartment 4 on the top layer is connected to the first end connection structure, and the second connection structure of the battery compartment 4 on the bottom layer is connected to the second end connection structure.

[0030] Specifically, the upper and lower adjacent battery compartments 4 are connected and fixed by the first connecting structure and the second connecting structure, the battery compartment 4 and the inverter 5 are connected and fixed by the first end connecting structure, and the battery compartment 4 and the base 1 are fixed by the second end connecting structure, thereby forming a complete battery box, which is convenient for connection, eliminates the need for insulating tape, and improves the heat dissipation performance of the battery compartment 4.

[0031] In one embodiment, the first connecting structure includes a first plug-in board 8, which is arranged on the side of the warehouse body 24 facing the inverter 5. The second connecting structure includes a first plug-in hole 15, which is arranged on the side of the warehouse body 24 facing the base 1. In the two adjacent battery compartments 4, the first plug-in board 8 of one battery compartment 4 is plugged into the first plug-in hole 15 of the other battery compartment 4.

[0032] Specifically, the first plug-in board 8 is arranged on the upper side of the warehouse body 24, and the first plug-in hole 15 is arranged on the lower side of the warehouse body 24. When connected, the first plug-in board 8 on the lower warehouse body 24 is inserted upward into the first plug-in hole 15 of the upper warehouse body 24, which not only realizes the connection between the upper and lower adjacent battery compartments 4, but also realizes the positioning between the upper and lower adjacent battery compartments 4 to avoid the battery compartment 4 from being skewed.

[0033] In one embodiment, a first connecting hole 9 is provided on the first plug-in board 8 , and the bin body 24 is connected to the first plug-in board 8 via bolts 6 .

[0034] Specifically, a first connecting hole 9 is provided on the first plug-in board 8, and a first mounting hole 22 is provided on the peripheral side wall of the storage body 24. When the first plug-in board 8 is plugged into the first plug-in hole 15, the first connecting hole 9 is opposite to the first mounting hole 22. By inserting bolts 6 into the first connecting hole 9 and the first mounting hole 22, the first plug-in board 8 and the storage body 24 are fixed, thereby improving the connection strength between the upper and lower adjacent battery compartments 4.

[0035] In one embodiment, the first connection structure further includes a second plug-in board 10, which is arranged on the side of the warehouse body 24 facing the inverter 5, and the second plug-in board 10 is spaced apart from the first plug-in board 8. The second connection structure further includes a second plug-in hole 16, which is arranged on the side of the warehouse body 24 facing the base 1, and the second plug-in hole 16 is spaced apart from the first plug-in hole 15. In the two adjacent battery compartments 4, the second plug-in board 10 of one of the battery compartments 4 is plugged into the second plug-in hole 16 of the other battery compartment 4.

[0036] Specifically, the second plug-in board 10 is spaced apart from the first plug-in board 8, and the first plug-in board 8 and the second plug-in board 10 are respectively arranged at both ends of the upper side of the warehouse body 24, and the second plug-in hole 16 is spaced apart from the first plug-in hole 15, and the second plug-in hole 16 and the second plug-in hole 16 are respectively arranged at both ends of the lower side of the warehouse body 24. When the upper and lower adjacent battery compartments 4 are connected, the first plug-in board 8 is plugged into the first plug-in hole 15, and the second plug-in board 10 is plugged into the second plug-in hole 16, which further improves the positioning effect and connection stability between the two battery compartments 4.

[0037] In one embodiment, the second plug-in board 10 is provided with a second connecting hole 11, and the housing 24 is connected to the second plug-in board 10 via a bolt 6. The second connecting hole 11 is aligned with the first mounting hole 22 on the housing 24, and the bolt 6 is inserted through the second connecting hole 11 and the first mounting hole 22 to achieve a fixed and detachable connection between the second plug-in board 10 and the housing 24.

[0038] In one embodiment, the first connection structure further includes a first connection groove 12, which is arranged on the side of the warehouse body 24 facing the inverter 5, and the first plug-in board 8 and the second plug-in board 10 are spaced apart at the bottom of the first connection groove 12. The second connection structure further includes a first protrusion 14, which is arranged on the side of the warehouse body 24 facing the base 1, and the first protrusion 14 is arranged between the first plug-in hole 15 and the second plug-in hole 16. In the two adjacent battery compartments 4, the first protrusion 14 of one of the battery compartments 4 is plugged into the first connection groove 12 of the other battery compartment 4.

[0039] Specifically, the first connecting groove 12 is arranged on the upper side of the warehouse body 24, the first protrusion 14 is arranged on the lower side of the warehouse body 24, the first plug-in plate 8 and the second plug-in plate 10 are respectively arranged at the two ends of the bottom of the first connecting groove 12, and the first plug-in hole 15 and the second plug-in hole 16 are respectively arranged at the two ends of the first protrusion 14. When the upper and lower adjacent battery warehouses 4 are connected, the first protrusion 14 on the upper battery layer is inserted downward into the first connecting groove 12 of the lower battery warehouse 4. At the same time, the first interface 13 of the lower battery warehouse 4 is connected to the second interface 17 of the upper battery warehouse 4. The first plug-in plate 8 and the second plug-in plate 10 on the lower battery warehouse 4 are respectively inserted into the first plug-in hole 15 and the second plug-in hole 16 of the upper battery warehouse 4. Then, the first plug-in plate 8 and the second plug-in plate 10 on the lower battery warehouse 4 are connected to the warehouse body 24 of the upper battery warehouse 4 by bolts 6.

[0040] In one embodiment, the first interface 13 is arranged in the first connecting groove 12, and the second interface 17 is arranged on the first protruding plate 14. The first interface 13 and the second interface 17 are plug-in electrical connectors. The first interface 13 is arranged in the first connecting groove 12, and the second interface 17 is arranged on the first protruding plate 14. No additional wiring is required, the structure is simplified, and the connection is convenient.

[0041] In one embodiment, the first end connection structure includes a second protruding plate 18, a third plugging hole 19 and a fourth plugging hole 20, the second protruding plate 18 is arranged between the third plugging hole 19 and the fourth plugging hole 20, the second protruding plate 18 is plugged into the first connecting groove 12, the first plugging plate 8 is plugged into the third plugging hole 19, the second plugging plate 10 is plugged into the fourth plugging hole 20, and a third interface 21 is provided on the second protruding plate 18, and the third interface 21 is electrically connected to the first interface 13.

[0042] Specifically, during connection, the first plug-in board 8 and the second plug-in board 10 of the topmost battery compartment 4 in all battery compartments 4 are respectively plugged into the third plug-in holes 19 and the fourth plug-in holes 20 on the inverter 5. The second protruding plate 18 on the inverter 5 is plugged into the first connection slot 12 of the topmost battery compartment 4. The inverter 5 is provided with a second mounting hole 23. The first plug-in board 8 and the second plug-in board 10 are connected to the inverter 5 via bolts 6. At the same time, the third interface 21 on the second protruding plate 18 is electrically connected to the first interface 13 of the topmost battery compartment 4, thereby achieving electrical connection between the inverter 5 and each battery compartment 4. The structure is simple and easy to connect.

[0043] In one embodiment, the second end connection structure includes a second connection groove 25, a third plug-in board 2 and a fourth plug-in board 3, the second connection groove 25 is arranged on the side of the base 1 facing the battery compartment 4, the third plug-in board 2 and the fourth plug-in board 3 are arranged on both sides of the second connection groove 25, the first protrusion 14 is plugged into the second connection groove 25, the third plug-in board 2 is plugged into the first plug-in hole 15, and the fourth plug-in board 3 is plugged into the second plug-in hole 16.

[0044] Specifically, when connecting, in all battery compartments 4, the third plug-in board 2 and the fourth plug-in board 3 on the base 1 are respectively plugged into the first plug-in hole 15 and the second plug-in hole 16 of the bottom battery compartment 4, and the first protrusion 14 on the bottom battery compartment 4 is plugged into the second connection groove 25 of the base 1. Then, the third plug-in board 2 and the fourth plug-in board 3 of the base 1 are fixedly and detachably connected to the compartment body 24 of the bottom battery compartment 4 by bolts 6.

[0045] When connecting the battery box of the present utility model embodiment, first connect the upper and lower adjacent battery compartments 4, insert the first convex plate 14 on the upper battery layer downward into the first connecting groove 12 of the lower battery compartment 4, connect the first interface 13 of the lower battery compartment 4 with the second interface 17 of the upper battery compartment 4, and plug the first plug-in plate 8 and the second plug-in plate 10 on the lower battery compartment 4 into the first plug-in hole 15 and the second plug-in hole 16 of the upper battery compartment 4 respectively. Then, use the bolt 6 to connect the first plug-in plate 8 and the second plug-in plate 10 on the lower battery compartment 4 to the upper battery compartment 4. The battery compartment 4 is connected, and then the third plug board 2 and the fourth plug board 3 of the base 1 are fixedly and detachably connected to the compartment body 24 of the bottom battery compartment 4 through bolts 6. Finally, the first plug board 8 and the second plug board 10 of the top battery compartment 4 are connected to the inverter 5 through bolts 6, and the third interface 21 on the second protruding plate 18 is electrically connected to the first interface 13 of the top battery compartment 4 to realize the electrical connection between the inverter 5 and each battery compartment 4. Finally, the rubber plug 7 is filled in each first mounting hole 22 and the second mounting hole 23 to improve the overall sealing of the battery box.

[0046] According to the battery box of the embodiment of the present invention, the upper and lower adjacent battery compartments 4 are connected and fixed by the first connecting structure and the second connecting structure, the battery compartment 4 and the inverter 5 are connected and fixed by the first end connecting structure, and the battery compartment 4 and the base 1 are fixed by the second end connecting structure, thereby forming a complete battery box. Compared with the existing technology, it is convenient to connect, and the insulating tape is eliminated, which improves the heat dissipation performance of the battery compartment 4.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A battery box, characterized in that: The invention comprises a base (1), a battery compartment (4) and an inverter (5), wherein a plurality of battery compartments (4) are provided, and the plurality of battery compartments (4) are stacked up and down between the base (1) and the inverter (5), and the battery compartment (4) comprises a compartment body (24) for containing batteries, the compartment body (24) is provided with a first interface (13) and a second interface (17), a first connection structure is provided on a side of the compartment body (24) facing the inverter (5), and a second connection structure is provided on a side of the compartment body (24) facing the base (1); In two adjacent battery compartments (4), the second interface (17) of the battery compartment (4) close to the inverter (5) is electrically connected to the first interface (13) of the battery compartment (4) close to the base (1), and the second connection structure of the battery compartment (4) close to the inverter (5) is connected to the first connection structure of the battery compartment (4) close to the base (1); The inverter (5) is provided with a first end connection structure on a side facing the compartment body (24), and the base (1) is provided with a second end connection structure on a side facing the compartment body (24). In each of the battery compartments (4), the first connection structure of the battery compartment (4) on the top layer is connected to the first end connection structure, and the second connection structure of the battery compartment (4) on the bottom layer is connected to the second end connection structure.

2. The battery box according to claim 1, characterized in that: The first connection structure comprises a first plug-in board (8), the first plug-in board (8) being arranged on a side of the silo (24) facing the inverter (5), and the second connection structure comprises a first plug-in hole (15), the first plug-in hole (15) being arranged on a side of the silo (24) facing the base (1); In two adjacent battery compartments (4), the first plug-in plate (8) of one of the battery compartments (4) is plugged into the first plug-in hole (15) of the other battery compartment (4).

3. The battery box according to claim 2, characterized in that: The first plug-in plate (8) is provided with a first connection hole (9), and the bin body (24) is connected to the first plug-in plate (8) via bolts (6).

4. The battery box according to claim 3, characterized in that: The first connection structure further comprises a second plug-in board (10), the second plug-in board (10) being arranged on a side of the silo (24) facing the inverter (5), the second plug-in board (10) being spaced apart from the first plug-in board (8), and the second connection structure further comprises a second plug-in hole (16), the second plug-in hole (16) being arranged on a side of the silo (24) facing the base (1), the second plug-in hole (16) being spaced apart from the first plug-in hole (15); In two adjacent battery compartments (4), the second plug-in plate (10) of one of the battery compartments (4) is plugged into the second plug-in hole (16) of the other battery compartment (4).

5. The battery box according to claim 4, characterized in that: The second plug-in board (10) is provided with a second connection hole (11), and the bin body (24) is connected to the second plug-in board (10) via bolts (6).

6. The battery box according to claim 5, characterized in that: The first connection structure further comprises a first connection groove (12), the first connection groove (12) being arranged on a side of the silo (24) facing the inverter (5), and the first plug-in board (8) and the second plug-in board (10) being arranged at a distance from each other at the bottom of the first connection groove (12); The second connection structure further comprises a first convex plate (14), the first convex plate (14) being arranged on a side of the compartment body (24) facing the base (1), the first convex plate (14) being arranged between the first plug hole (15) and the second plug hole (16), and in two adjacent battery compartments (4), the first convex plate (14) of one of the battery compartments (4) is plugged into the first connection groove (12) of the other battery compartment (4).

7. The battery box according to claim 6, characterized in that: The first interface (13) is arranged in the first connecting groove (12), and the second interface (17) is arranged on the first convex plate (14).

8. The battery box according to claim 7, characterized in that: The first end connection structure includes a second protruding plate (18), a third plug-in hole (19) and a fourth plug-in hole (20), wherein the second protruding plate (18) is arranged between the third plug-in hole (19) and the fourth plug-in hole (20), the second protruding plate (18) is plugged into the first connection groove (12), the first plug-in plate (8) is plugged into the third plug-in hole (19), and the second plug-in plate (10) is plugged into the fourth plug-in hole (20).

9. The battery box according to claim 8, characterized in that: A third interface (21) is provided on the second convex plate (18), and the third interface (21) is electrically connected to the first interface (13).

10. The battery box according to claim 9, characterized in that: The second end connection structure comprises a second connection groove (25), a third plug-in board (2) and a fourth plug-in board (3); the second connection groove (25) is arranged on a side of the base (1) facing the battery compartment (4); the third plug-in board (2) and the fourth plug-in board (3) are arranged on both sides of the second connection groove (25); the first protruding plate (14) is plugged into the second connection groove (25); the third plug-in board (2) is plugged into the first plug-in hole (15); and the fourth plug-in board (3) is plugged into the second plug-in hole (16).

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