Battery pack for energy storage cabinet and assembling device of battery pack

Abstract

The invention relates to the technical field of battery assembly, in particular to a battery pack for an energy storage cabinet, which comprises a fixed plate and side plates, a plurality of battery cells are arranged between the side plates, a fixed assembly is arranged between the battery cells, a plurality of patches are arranged on the fixed assembly, and a connecting assembly is slidably arranged on the fixed plate. The battery pack assembling device for the energy storage cabinet comprises an assembling table, a plurality of guide rails are arranged at the lower end of the assembling table, tightening assemblies are arranged on the guide rails in a sliding mode, and the tightening assemblies are arranged on the guide rails in a sliding mode. A lifting assembly is arranged at the lower end of the tightening assembly, a horizontal pushing assembly is arranged on the assembling table, the lifting assembly drives the battery cells to ascend, and the tightening assembly and the horizontal pushing assembly are matched to drive the battery cells to be tightened. The battery pack solves the problems that the heat dissipation effect between battery cells becomes poor and the service life of the battery cells is affected due to the fact that patches between the battery cells of an existing battery pack occupy large space.

Description

Technical Field

[0001] The present invention relates to the technical field of battery assembly, and in particular to a battery pack for an energy storage cabinet and an assembly device thereof. Background Art

[0002] The battery pack can be called the heart of an electric vehicle. As the core power source of an electric vehicle, its importance is unquestionable. A Chinese invention patent with application announcement number CN115548551B discloses a battery pack, including: a battery case; a first battery assembly, and a limiter. The limiter can not only achieve stacking limit for the first battery assembly, but also will not increase the weight of the battery pack too much, thereby improving the assembly efficiency of the battery pack.

[0003] However, the inventors found that in actual use, the patches between the battery cells occupy a large space, resulting in poor heat dissipation between the battery cells, which affects the service life of the battery cells. Summary of the invention

[0004] The purpose of the present invention is to address the deficiencies in the prior art. A fixing component is provided between the battery cells, a plurality of patches are provided on the fixing component, the patches are fixed by the fixing component, and the heat dissipation speed between the battery cells is increased by reducing the area of ​​the patches. This solves the problem that the patches between the battery cells in the existing battery pack occupy a large space, resulting in poor heat dissipation effect between the battery cells and affecting the service life of the battery cells.

[0005] In view of the above technical problems, the technical solutions adopted by the present invention are as follows:

[0006] A battery pack for an energy storage cabinet comprises fixed plates arranged on the left and right sides of the battery pack and side plates slidably arranged on the fixed plates, a plurality of battery cells are arranged between the side plates, a fixed assembly is arranged between the battery cells, a plurality of patches are arranged on the fixed assembly, a connecting assembly is slidably arranged on the fixed plate, the patches are fixed by the fixed assembly, and the heat dissipation speed of the battery cell is increased by reducing the patch area.

[0007] As a preferred embodiment, the connecting assembly includes a left horizontal plate slidably arranged on the left fixed plate, a right horizontal plate slidably arranged on the right fixed plate, and a plurality of middle horizontal plates slidably arranged between the left horizontal plate and the right horizontal plate. A sliding groove a is provided at the right end of the left horizontal plate, and a sliding rod a is provided at its left end. A sliding block a is provided at the left end of the right horizontal plate, and a sliding rod b is provided at its right end. A sliding block b is provided at the left end of the middle horizontal plate, and a sliding groove b is provided at its right end.

[0008] As a preference, the fixing assembly comprises an upper fixing ring and a lower fixing ring which are arranged on the middle horizontal plate and the right horizontal plate, and empty grooves are provided in the upper fixing ring and the lower fixing ring.

[0009] As a preference, a lap block is welded between the battery cells, and a positive electrode interface and a negative electrode interface are respectively provided on the left end battery cell and the right end battery cell.

[0010] As a preferred embodiment, the patch is made of PU polyurethane foam.

[0011] As another preferred embodiment, the fixing plate, side plate, battery cell and patch are fixed by binding with cable ties.

[0012] According to a battery pack for an energy storage cabinet, an assembly device for a battery pack for an energy storage cabinet is provided, including an assembly table, a plurality of guide rails are arranged at the lower end of the assembly table, a tightening assembly is slidably arranged on the guide rails, a lifting assembly is arranged at the lower end of the tightening assembly, a horizontal push assembly is arranged on the assembly table, the battery cell is driven to rise through the lifting assembly, and the battery cell is tightened through the cooperation of the tightening assembly and the horizontal push assembly.

[0013] Preferably, the tightening assembly includes a base slidably arranged on a guide rail, a guide seat slidably arranged in the base, a motor arranged on the base and a threaded rod driven by the motor, a threaded groove is arranged in the middle portion of the guide seat, a sliding groove a is opened at the lower end portion thereof, a plurality of sliding blocks are arranged on the side wall of the base, and a plurality of sliding rails are arranged in the base.

[0014] As a preference, the lifting assembly comprises an oil cylinder a and a piston rod a driven by the oil cylinder a, and a lifting plate is provided at the front end of the piston rod a.

[0015] As another preferred embodiment, the push assembly includes an oil cylinder b and a piston rod b driven by the oil cylinder b, a push plate is provided at the front end of the piston rod b, and a sliding groove b is provided on the guide rail.

[0016] Beneficial effects of the present invention:

[0017] 1. In the present invention, a fixing component is provided between the battery cells, a plurality of patches are provided on the fixing component, the patches are fixed by the fixing component, and the heat dissipation speed between the battery cells is increased by reducing the patch area, which is beneficial to prolonging the battery life.

[0018] 2. In the present invention, empty grooves are provided in both the upper fixing ring and the lower fixing ring, so that the patch can be embedded in the empty groove after being squeezed, thereby fixing it and preventing it from shifting.

[0019] In summary, the device has the advantages of increasing heat dissipation and extending battery life, and is particularly suitable for the field of battery assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0021] Figure 1 This is a schematic diagram of the structure of a mixed biomass energy-saving combustion ladder furnace;

[0022] Figure 2 This is a schematic diagram of the structure of a mixed biomass energy-saving combustion ladder furnace;

[0023] Figure 3 This is a partial structural diagram of a mixed biomass energy-saving combustion ladder furnace;

[0024] Figure 4 This is an enlarged view of point A in the figure;

[0025] Figure 5 It is a schematic diagram of the structure of the transmission component, the lifting component and the conveying pipe;

[0026] Figure 6 It is a schematic diagram of the structure of material roller a, material roller b and material roller c;

[0027] Figure 7 is a cross-sectional schematic diagram of a negative pressure tube;

[0028] Figure 8 is a structural schematic diagram of a lifting assembly;

[0029] Fig. 9 This is the working status diagram of the mixed biomass energy-saving combustion ladder furnace.

[0030] 1. Fixing plate; 2. Side plate; 3. Battery cell; 4. Fixing assembly; 5. SMD; 6. Connection assembly; 7. Cable tie; 8. Assembly table; 9. Guide rail; 10. Tightening assembly; 20. Lifting assembly; 30. Push assembly; 31. Lap block; 32. Positive electrode interface; 33. Negative electrode interface; 41. Upper fixing ring; 42. Lower fixing ring; 43. Empty slot; 61. Left horizontal plate; 62. Right horizontal plate; 63. Middle horizontal plate; 91. Sliding slot b; 101. Bottom Seat; 102. Guide seat; 103. Motor; 104. Threaded rod; 105. Threaded groove; 106. Sliding block; 107. Slide rail; 108. Sliding groove a; 201. Cylinder a; 202. Piston rod a; 203. Lifting plate; 301. Cylinder b; 302. Piston rod b; 303. Push plate; 611. Slide groove a; 612. Slide rod a; 621. Sliding block a; 622. Slide rod b; 631. Sliding block b; 632. Slide groove b. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings.

[0032] Embodiment 1

[0033] like Figures 1 to 9 As shown, a battery pack for an energy storage cabinet includes a fixing plate 1 arranged on the left and right sides of the battery pack and a side plate 2 slidably arranged on the fixing plate 1, characterized in that: a plurality of battery cells 3 are arranged between the side plates 2, a fixing component 4 is arranged between the battery cells 3, a plurality of patches 5 are arranged on the fixing component 4, a connecting component 6 is slidably arranged on the fixing plate 1, the patches 5 are fixed by the fixing component 4, and the heat dissipation speed of the battery cell is increased by reducing the area of ​​the patches 5.

[0034] It is worth mentioning here that a fixing component 4 is provided between the battery cells 3 , a plurality of patches 5 are provided on the fixing component 4 , the patches 5 are fixed by the fixing component 4 , and the heat dissipation speed between the battery cells 3 is increased by reducing the area of ​​the patches 5 , which is beneficial to prolonging the battery life.

[0035] like Figure 6 As shown, the connecting assembly 6 includes a left transverse plate 61 slidably set on the left fixed plate 1, a right transverse plate 62 slidably set on the right fixed plate 1, and a plurality of middle transverse plates 63 slidably set between the left transverse plate 61 and the right transverse plate 62. The left transverse plate 61 is provided with a sliding groove a611 at the right end portion, and a sliding rod a612 at the left end portion thereof. The right transverse plate 62 is provided with a sliding block a621 at the left end portion, and a sliding rod b622 at the right end portion thereof. The middle transverse plate 63 is provided with a sliding block b631 at the left end portion, and a sliding groove b632 at the right end portion thereof.

[0036] In this example, the slider b631 is slidably set in the slide groove a611, and the slider a621 is slidably set in the slide groove b632. By providing the cross plate with multiple sliding middle cross plates 63, the distance between the fixed plate 1 and the side plate 2 on the left and right sides of the battery pack can be adjusted.

[0037] like Figure 2 As shown, the fixing assembly 4 includes an upper fixing ring 41 and a lower fixing ring 42 which are arranged on the middle horizontal plate 63 and the right horizontal plate 62 , and a slot 43 is formed in each of the upper fixing ring 41 and the lower fixing ring 42 .

[0038] It is worth mentioning that by providing the empty grooves 43 in both the upper fixing ring 41 and the lower fixing ring 42 , the patch 5 can be embedded in the empty grooves 43 after being squeezed, thereby fixing it and preventing it from shifting.

[0039] like Figure 1As shown, a bridging block 31 is welded between the battery cells 3 , and a positive electrode interface 32 and a negative electrode interface 33 are respectively provided on the left end battery cell 3 and the right end battery cell 3 .

[0040] The patch 5 is made of PU polyurethane foam.

[0041] In this example, the PU polyurethane foam material can achieve anti-slip and vibration reduction effects, making the placement of the battery cells more stable. Adding fireproof materials to the PU polyurethane foam can achieve a fireproof effect.

[0042] like Figure 1 As shown, the fixing plate 1 , the side plate 2 , the battery cell 3 and the patch 5 are bound and fixed by a cable tie 7 .

[0043] Embodiment 2

[0044] like Figures 1 to 9 As shown, according to a battery pack for an energy storage cabinet, an assembly device for a battery pack for an energy storage cabinet is provided, including an assembly table 8, a plurality of guide rails 9 are arranged at the lower end of the assembly table 8, a tightening assembly 10 is slidably arranged on the guide rail 9, a lifting assembly 20 is arranged at the lower end of the tightening assembly 10, a horizontal push assembly 30 is arranged on the assembly table 8, and the battery cell 3 is driven to rise through the lifting assembly 20, and the battery cell 3 is tightened through the cooperation of the tightening assembly 10 and the horizontal push assembly 30.

[0045] like Figure 4 , Figure 5 As shown, the tightening assembly 10 includes a base 101 slidably set on the guide rail 9, a guide seat 102 slidably set in the base 101, a motor 103 set on the base 101 and a threaded rod 104 driven by the motor 103, a threaded groove 105 is set in the middle part of the guide seat 102, and a sliding groove a108 is opened at the lower end thereof, a plurality of sliding blocks 106 are set on the side wall of the base 101, and a plurality of sliding rails 107 are set in the base 101.

[0046] like Figure 4 As shown, the lifting assembly 20 includes a cylinder a201 and a piston rod a202 driven by the cylinder a201, and a lifting plate 203 is provided at the front end of the piston rod a202.

[0047] like Figure 7 As shown, the push assembly 30 includes a cylinder b301 and a piston rod b302 driven by the cylinder b301, a push plate 303 is provided at the front end of the piston rod b302, and a sliding groove b91 is provided on the guide rail 9.

[0048] The working process is as follows:

[0049] The robot places the cells one by one on the guide seat 102, and places the fixing plate 1 and the side plate 2 with the connecting assembly 6 on the assembly table 8, and starts the oil cylinder a201 to drive the piston rod a202 to rise, and the piston rod a202 drives the lifting plate 203 to push the base 101 to rise.

[0050] When the upper end surface of the guide seat 102 is level with the upper end surface of the assembly table 8, the cylinder a201 stops rising, and the manipulator fits the connecting component 6 with the side of the battery cell 3. The motor 103 starts, driving the threaded rod 104 to rotate, thereby driving the guide seat 102 and the battery cell 3 to move to the right. The cylinder b301 starts, driving the piston rod b302 to move to the right, and the piston rod b302 drives the push plate 303 to push the left fixed plate 1 to fit with the side plate 2 and the left end of the battery cell 3, completing the tightening, and the battery pack is wrapped with a cable tie by the manipulator.

[0051] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art under the technical guidance of the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A battery pack for an energy storage cabinet, comprising a fixing plate (1) arranged on the left and right sides of the battery pack and a side plate (2) slidably arranged on the fixing plate (1), characterized in that: A plurality of battery cells (3) are arranged between the side plates (2), a fixing assembly (4) is arranged between the battery cells (3), a plurality of patches (5) are arranged on the fixing assembly (4), a connecting assembly (6) is slidably arranged on the fixing plate (1), the patches (5) are fixed by the fixing assembly (4), and the heat dissipation speed of the battery cell is increased by reducing the area of ​​the patches (5).

2. A battery pack for an energy storage cabinet according to claim 1, characterized in that: The connecting assembly (6) comprises a left transverse plate (61) slidably arranged on the left fixed plate (1), a right transverse plate (62) slidably arranged on the right fixed plate (1), and a plurality of middle transverse plates (63) slidably arranged between the left transverse plate (61) and the right transverse plate (62); a slide groove a (611) is provided at the right end of the left transverse plate (61), and a slide rod a (612) is provided at the left end of the left transverse plate (61); a slider a (621) is provided at the left end of the right transverse plate (62), and a slide rod b (622) is provided at the right end; a slider b (631) is provided at the left end of the middle transverse plate (63), and a slide groove b (632) is provided at the right end of the middle transverse plate (63).

3. A battery pack for an energy storage cabinet according to claim 1, characterized in that: The fixing assembly (4) comprises an upper fixing ring (41) and a lower fixing ring (42) arranged on the middle transverse plate (63) and the right transverse plate (62), and both the upper fixing ring (41) and the lower fixing ring (42) are provided with an empty groove (43).

4. A battery pack for an energy storage cabinet according to claim 1, characterized in that: A lap block (31) is welded between the battery cells (3) and a positive electrode interface (32) and a negative electrode interface (33) are respectively provided on the left end battery cell (3) and the right end battery cell (3).

5. A battery pack for an energy storage cabinet according to claim 1, characterized in that: The patch (5) is made of PU polyurethane foam.

6. A battery pack for an energy storage cabinet according to claim 1, characterized in that: The fixing plate (1), the side plate (2), the battery core (3) and the patch (5) are bound and fixed by a tie (7).

7. According to claim 1, a battery pack for an energy storage cabinet provides an assembly device for a battery pack for an energy storage cabinet, comprising an assembly table (8), characterized in that: A plurality of guide rails (9) are arranged at the lower end of the assembly platform (8), a tightening assembly (10) is slidably arranged on the guide rail (9), a lifting assembly (20) is arranged at the lower end of the tightening assembly (10), and a horizontal push assembly (30) is arranged on the assembly platform (8) to drive the battery cell (3) to rise through the lifting assembly (20), and to drive the battery cell (3) to tighten through the cooperation of the tightening assembly (10) and the horizontal push assembly (30).

8. A battery pack assembly device for an energy storage cabinet according to claim 8, characterized in that: The tightening assembly (10) comprises a base (101) slidably arranged on a guide rail (9), a guide seat (102) slidably arranged in the base (101), a motor (103) arranged on the base (101), and a threaded rod (104) driven by the motor (103); a threaded groove (105) is arranged in the middle part of the guide seat (102), and a sliding groove a (108) is opened at the lower end thereof; a plurality of sliding blocks (106) are arranged on the side wall of the base (101), and a plurality of sliding rails (107) are arranged in the base (101).

9. A battery pack assembly device for an energy storage cabinet according to claim 8, characterized in that: The lifting assembly (20) comprises an oil cylinder a (201) and a piston rod a (202) driven by the oil cylinder a (201), and a lifting plate (203) is provided at the front end of the piston rod a (202).

10. A battery pack assembly device for an energy storage cabinet according to claim 8, characterized in that: The horizontal push assembly (30) comprises an oil cylinder b (301) and a piston rod b (302) driven by the oil cylinder b (301), a push plate (303) is arranged at the front end of the piston rod b (302), and a sliding groove b (91) is provided on the guide rail (9).

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