Household user storage battery pack using blade battery cell as energy reserve

Abstract

The utility model relates to the technical field of batteries, in particular to a household battery storage pack using a blade battery cell as energy reserve, which comprises a box body, a box cover and a battery module, and the box body is provided with a first mounting component and a second mounting component which are used for meeting different mounting requirements of the battery pack; the battery module comprises an upper cover, a bottom plate and a battery cell assembly, the battery cell assembly comprises a plurality of battery cells and a fixing belt, the two ends of each battery cell are provided with pole columns, and the polarities of the pole columns at the same end of every two adjacent battery cells are opposite; the battery module further comprises a power end connecting assembly and a series connecting assembly, the power end connecting assembly is located at one ends of the battery cells, and the series connecting assembly is located at the other ends of the battery cells. The first mounting assembly and the second mounting assembly are arranged on the box body, so that different mounting requirements of the battery pack can be met, and different mounting environments can be flexibly adapted; the battery module adopts a modular design, so that each part can be independently replaced or upgraded, and the maintenance cost and time are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technology field, concretely relates to a kind of home user battery pack of using blade cell as energy reserve. BACKGROUND

[0002] With the increasing global attention on clean energy and energy efficiency, energy storage systems are increasingly popular in the home field. Home energy storage systems can store power from the grid or renewable energy sources (such as solar energy, wind energy), and release electrical energy when needed, not only helping to smooth the power demand curve, but also providing backup power for the home, enhancing the stability and independence of power supply. In the face of climate change and traditional energy price fluctuations, this flexible and reliable energy solution is becoming increasingly important.

[0003] Currently, most small and medium-sized energy storage battery packs on the market use square-shaped battery modules mainly based on lithium iron phosphate, which have the characteristics of high safety and long cycle life. However, such battery modules also have obvious limitations: large volume, heavy weight, and occupy more internal space, which limits the overall design to a square structure, making it difficult to achieve modularization and miniaturization. In addition, these battery modules usually require complex cooling systems to maintain performance and safety, which further increases the complexity and cost of the system. SUMMARY

[0004] In view of the above technical problems existing in the prior art, the utility model provides a kind of home user battery pack of using blade cell as energy reserve.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A kind of home user battery pack of using blade cell as energy reserve, including box, box cover and battery module, the accommodation chamber for placing battery module is formed between box and box cover, box is also provided with first installation component and second installation component for meeting the different installation needs of battery pack;Battery module includes upper cover, bottom plate and cell component, cell component is located between upper cover and bottom plate, including multiple cell arrayed along the width direction of bottom plate and the fixing belt for providing pre-tightening force to multiple cell, both ends of each cell are provided with pole, and the polarity of the same end pole of adjacent two cells is opposite;Battery module further includes power terminal connecting assembly and series connection assembly, power terminal connecting assembly is located at one end of multiple cell, for safely connecting multiple cell with external circuit, series connection assembly is located at the other end of multiple cell, for realizing the electrical series connection between multiple cell, to reach the voltage of required total output.

[0007] Preferably, the power terminal connecting assembly comprises a total positive and negative bracket, a total positive and negative cover plate and a total positive and negative welding block, one end of the total positive and negative bracket is clamped with the upper cover, the other end is clamped with the total positive and negative cover plate, the total positive and negative welding block is located inside the total positive and negative bracket, and the positive and negative electrodes of the adjacent same end of the battery cell are connected by welding, and a first clamping groove is further arranged in the total positive and negative bracket, which is used for fixing a plurality of total positive and negative welding blocks and separating adjacent total positive and negative welding blocks.

[0008] Preferably, the series connecting assembly comprises a series bracket, a series cover plate and a series welding block, one end of the series bracket is clamped with the upper cover, the other end is clamped with the series cover plate, the series welding block is located inside the series bracket, and the positive and negative electrodes of the adjacent same end of the battery cell are connected by welding, and a second clamping groove is further arranged in the series bracket, which is used for fixing a plurality of series welding blocks and separating adjacent series welding blocks.

[0009] Preferably, an insulating plate is arranged between adjacent battery cells and at the top, bottom and two sides of the plurality of battery cells.

[0010] Preferably, the box further comprises a module fixing plate for fixing the battery module, which is arranged in a gap with the bottom of the accommodating cavity; and a radiator assembly for radiating heat of the battery module, comprising a radiator plate and a radiator fan, the radiator fan is arranged on the top of the radiator plate, and the bottom of the radiator plate is arranged in a gap with the bottom of the accommodating cavity.

[0011] Preferably, the battery module further comprises an electric quantity display, the electric quantity display is exposed from the box cover in the closed state of the box and the box cover, and the top surface of the box cover is provided with a display port for exposing the electric quantity display.

[0012] Preferably, the first mounting assembly is arranged on the back of the box, comprising a back hanging plate and a wall hanging plate, the back hanging plate is fixedly arranged on the back of the box, one end of the wall hanging plate is used for being fixedly arranged at a mounting position, and the other end of the wall hanging plate is used for hooking the back hanging plate.

[0013] Preferably, the second mounting assembly is arranged on the bottom of the box, comprising a base and a triangular support frame, the base is connected with the bottom of the box, and two triangular support frames are respectively connected with the base and the back of the box, and are used for providing stable support.

[0014] Preferably, a carrying handle is arranged on the outer side of the side wall of the box, and the carrying handle is integrally formed with the box.

[0015] Preferably, the top of the box is provided with a closed annular structure, including a first boss arranged along the length direction of the box and a second boss arranged along the width direction; the inner side wall of the length direction of the box cover is provided with a sliding plate capable of sliding along the side wall of the first boss, and the inner side wall of the width direction of the box cover is provided with a limiting plate, which is arranged in a spaced manner between the two sliding plates; the limiting plate includes a first connecting plate and a second connecting plate, and the connecting part of the first connecting plate and the second connecting plate forms a limiting groove capable of hooking the second boss.

[0016] The utility model has the advantages of:

[0017] The utility model discloses a domestic user battery pack using blade battery cell as energy reserve, including box, box cover and battery module, and the accommodation chamber for placing battery module is formed between the box and the box cover, and the first installation component and the second installation component for satisfying the different installation demand of battery pack are still provided on the box, the battery module includes upper cover, bottom plate and battery cell component, and the battery cell component is located between the upper cover and the bottom plate, including a plurality of battery cells arranged in the width direction of the bottom plate and the fixing belt for providing the pre -tight force to a plurality of battery cells, and the both ends of each battery cell are equipped with the pole, and the polarity of the same end pole of adjacent two battery cells is opposite, the battery module still includes power end connecting component and series connection component, and the power end connecting component is located at one end of a plurality of battery cells and is used for connecting a plurality of battery cells with external circuit safely, and the series connection component is located at the other end of a plurality of battery cells and is used for realizing the electrical series connection between a plurality of battery cells to reach the voltage of required total output, the first installation component and the second installation component can satisfy the different installation demand of battery pack by being arranged on the box, and different installation environments can be flexibly adapted, the battery module adopts the modular design, so that each component can be independently replaced or upgraded, and maintenance cost and time are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an explosion drawing of the domestic user battery pack using blade battery cell as energy reserve in the embodiment.

[0019] Figure 2 It is a perspective view of the domestic user battery pack using blade battery cell as energy reserve in the embodiment.

[0020] Figure 3 It is another perspective view of the domestic user battery pack using blade battery cell as energy reserve in the embodiment.

[0021] Figure 4 It is an explosion drawing of the first installation component in the embodiment.

[0022] Figure 5 It is an explosion drawing of the radiator assembly in the embodiment.

[0023] Figure 6is an exploded view of the battery module in the embodiment.

[0024] Figure 7 is Figure 6 is an enlarged view of A in the embodiment.

[0025] Figure 8 is another perspective exploded view of the battery module in the embodiment.

[0026] Figure 9 is Figure 8 is an enlarged view of B in the embodiment.

[0027] Figure 10 is a perspective view of the box cover in the embodiment.

[0028] Figure 11 is Figure 10 is an enlarged view of C in the embodiment.

[0029] Figure 12 is a perspective view of the box body in the embodiment.

[0030] Figure 13 is Figure 12 is an enlarged view of D in the embodiment.

[0031] Reference signs: 1, box body; 10, first mounting assembly; 101, back hanging plate; 102, wall hanging plate; 11, second mounting assembly; 111, base; 112, triangular support frame; 12, carrying handle; 13, first boss; 14, second boss; 15, module fixing plate; 16, radiator assembly; 161, heat dissipation plate; 162, heat dissipation fan;

[0032] 2, box cover; 20, display port; 21, sliding plate; 22, limiting plate; 221, first connecting plate; 222, second connecting plate; 223, limiting groove;

[0033] 3, battery module; 30, upper cover; 31, bottom plate; 32, battery cell assembly; 321, battery cell; 322, fixing belt; 33, power terminal connecting assembly; 331, total positive and negative support; 3311, first clamping groove; 332, total positive and negative cover plate; 333, total positive and negative welding block; 34, series connecting assembly; 341, series connecting support; 3411, second clamping groove; 342, series connecting cover plate; 343, series connecting welding block; 35, power display;

[0034] 4, insulating plate. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0036] A household battery pack using blade cells as energy reserves, as shown in the embodiment, includes a box body 1, a box cover 2 and a battery module 3, and the box body 1 and the box cover 2 form a containing chamber for placing the battery module 3. Figures 1 to 13

[0037] The battery module 3 includes an upper cover 30, a bottom plate 31 and a cell assembly 32, the cell assembly 32 is located between the upper cover 30 and the bottom plate 31, the cell assembly 32 includes a plurality of cells 321 arranged in an array along the width direction of the bottom plate 31, each cell 321 is provided with a pole at both ends, and the polarity of the pole at the same end of the adjacent two cells 321 is opposite, and further includes a fixing belt 322 for providing a pre-tightening force to the plurality of cells 321, wherein the fixing belt 322 is provided with a plurality of fixing belts 322, each fixing belt 322 is wound on the plurality of cells 321, for providing a pre-tightening force to the plurality of cells 321, to avoid looseness between the cells 321.

[0038] Among them, an insulating plate 4 is arranged between each two adjacent cells 321, for separating the adjacent cells 321 and increasing the gap between the cells, thereby improving the heat dissipation effect, and the insulating plate 4 is preferably fixed between the adjacent cells 321 by adhesion, which makes the structure of the plurality of cells 321 more stable. The top, bottom and two sides of the plurality of cells 321 are also adhered with insulating plates 4, which further improves the stability of the structure of the plurality of cells 321.

[0039] Further, the battery module 3 further includes a power terminal connecting assembly 33 and a series connecting assembly 34, the power terminal connecting assembly 33 is located at one end of the plurality of cells 321, for safely connecting the plurality of cells 321 with an external circuit, the power terminal connecting assembly 33 includes a total positive and negative support 331, a total positive and negative cover plate 332 and a total positive and negative welding block 333, one end of the total positive and negative support 331 is clamped with the upper cover 30, and the other end is clamped with the total positive and negative cover plate 332, the total positive and negative welding block 333 is located inside the total positive and negative support 331, and the positive and negative poles of the adjacent cells 321 at the same end are connected by welding, and a first clamping groove 3311 is further arranged in the total positive and negative support 331, the first clamping groove 3311 is used for fixing a plurality of total positive and negative welding blocks 333, and the adjacent total positive and negative welding blocks 333 are separated, to avoid the contact between the adjacent total positive and negative welding blocks 333 when the battery pack shakes or collides, thereby causing an accident.

[0040] ​Further, the series connection assembly 34 is located at the other end of the plurality of battery cells 321, and is used to achieve electrical series connection between the plurality of battery cells 321 to achieve the required total output voltage. The series connection assembly 34 includes a series connection support 341, a series connection cover plate 342, and a series connection welding block 343. One end of the series connection support 341 is clamped to the upper cover 30, and the other end is clamped to the series connection cover plate 342. The series connection welding block 343 is located inside the series connection support 341, and is connected to the positive and negative electrodes of the adjacent battery cells 321 by welding. A second clamping groove 3411 is also provided in the series connection support 341. The second clamping groove 3411 is used to fix the plurality of series connection welding blocks 343 and separate the adjacent series connection welding blocks 343, so as to avoid contact between the adjacent total positive and negative welding blocks 333 when the battery pack is shaken or collides, thereby preventing accidents.

[0041] Further, the battery module 3 also includes a power display 35 for displaying the battery power. When the box body 1 and the box cover 2 are in a closed state, the power display 35 is exposed from the box cover 2. A display opening 20 is provided on the top surface of the box cover 2 for exposing the power display 35. By providing the power display 35, the user can timely know the remaining power of the battery module 3 and can timely charge the battery module 3.

[0042] Further, the accommodation chamber also includes a module fixing plate 15 for fixing the battery module 3. The bottom of the module fixing plate 15 is gap-set with the bottom of the box body 1, so that the battery module 3 and the bottom of the box body 1 are kept at a certain distance, and an air circulation channel is formed between the battery module 3 and the bottom of the box body 1, thereby improving the heat dissipation effect. The accommodation chamber also includes a radiator assembly 16 for dissipating heat from the battery module 3. The radiator assembly 16 includes a heat sink 161 and a cooling fan 162. The cooling fan 162 is provided on the top of the heat sink 161, and the bottom of the heat sink 161 is gap-set with the bottom of the accommodation chamber. By providing the radiator assembly 16, the battery module 3 can be timely cooled, so as to ensure that the battery module 3 can maintain a suitable working temperature during high-load operation, thereby prolonging the service life of the battery module 3.

[0043] Further, the box body 1 also includes a first mounting assembly 10 and a second mounting assembly 11 for meeting different installation requirements of the battery pack. The first mounting assembly 10 is provided on the back of the box body 1 and is used to meet the wall-mounted installation requirement of the battery pack. The first mounting assembly 10 includes a back hanging plate 101 and a wall hanging plate 102. The back hanging plate 101 is fixedly provided on the back of the box body 1. One end of the wall hanging plate 102 is used to be fixed at the installation position in advance, and the other end of the wall hanging plate 102 is used to hook the back hanging plate 101, so that the battery pack can be hung on the wall.

[0044] The second mounting assembly 11 is arranged at the bottom of the box body 1 to meet the requirement of placing the battery pack on the ground, and the second mounting assembly 11 comprises a base 111 and two triangular supporting frames 112, wherein the base 111 is connected to the bottom of the box body 1 to provide stable support, and the two triangular supporting frames 112 are connected to the base 111 and the back of the box body 1 respectively to enhance the stability of the overall structure and prevent the box body 1 from toppling over.

[0045] Further, a carrying handle 12 is arranged outside the side wall of the box body 1, and the carrying handle 12 is integrally formed with the box body 1, wherein the carrying handle 12 is designed according to the curved streamline of the palm when the palm is used to carry objects, so as to ensure that the fingers and part of the palm are completely attached to the handle to uniformly bear the force and achieve the labor-saving effect.

[0046] Further, the top of the box body 1 is provided with a closed annular structure comprising a first boss 13 arranged along the length direction of the box body 1 and a second boss 14 arranged along the width direction of the box body 1; the inner side wall of the box cover 2 in the length direction is provided with a sliding plate 21 capable of sliding along the side wall of the first boss 13, and the inner side wall of the box cover 2 in the width direction is provided with a limiting plate 22, which is arranged in a spaced manner between the two sliding plates 21, and the limiting plate 22 comprises a first connecting plate 221 and a second connecting plate 222, and the connecting portion of the first connecting plate 221 and the second connecting plate 222 forms a limiting groove 223 capable of hooking the second boss 14. When the box body 1 and the box cover 2 need to be closed, first, the box cover 2 is placed on the surface of the box body 1 so that the inner side wall of the sliding plate 21 abuts against the outer side wall of the first boss 13, then the box cover 2 is slid until the limiting groove 223 hooks the second boss 14, and finally the box cover 2 and the cover body are fixed by bolts.

[0047] In the description of the present application, obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.

[0048] Therefore, the above detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

Claims

1. A home battery pack utilizing blade cells as energy storage, characterized in that, The battery pack includes a housing (1), a cover (2), and a battery module (3). A cavity for housing the battery module (3) is formed between the housing (1) and the cover (2). The housing (1) is also provided with a first mounting component (10) and a second mounting component (11) to meet different installation requirements of the battery pack. The battery module (3) includes a top cover (30), a bottom plate (31), and a cell assembly (32). The cell assembly (32) is located between the top cover (30) and the bottom plate (31) and includes multiple cells (321) arranged in an array along the width direction of the bottom plate (31) and a mounting mechanism for the multiple cells (321). The battery module (3) provides a pre-tensioning fixing strap (322), and each cell (321) has a terminal post at both ends, and the polarity of the terminal post at the same end of two adjacent cells (321) is opposite; the battery module (3) also includes a power end connection assembly (33) and a series connection assembly (34). The power end connection assembly (33) is located at one end of the multiple cells (321) and is used to safely connect the multiple cells (321) to the external circuit. The series connection assembly (34) is located at the other end of the multiple cells (321) and is used to realize the electrical series connection between the multiple cells (321) to achieve the required total output voltage.

2. A home battery pack using blade cells as energy storage according to claim 1, characterized in that, The power supply connection assembly (33) includes a main positive and negative bracket (331), a main positive and negative cover plate (332), and a main positive and negative welding block (333). One end of the main positive and negative bracket (331) is snapped into the upper cover (30), and the other end is snapped into the main positive and negative cover plate (332). The main positive and negative welding block (333) is located inside the main positive and negative bracket (331) and connects the positive and negative poles of adjacent cells (321) at the same end by welding. A first slot (3311) is also provided inside the main positive and negative bracket (3311). The first slot (3311) is used to fix multiple main positive and negative welding blocks (333) and to separate adjacent main positive and negative welding blocks (333).

3. A home battery pack utilizing blade cells as energy storage according to claim 2, characterized in that, The series connection assembly (34) includes a series connection bracket (341), a series connection cover plate (342), and a series connection welding block (343). One end of the series connection bracket (341) is snapped into the upper cover (30), and the other end is snapped into the series connection cover plate (342). The series connection welding block (343) is located inside the series connection bracket (341) and connects the positive and negative poles of adjacent cells (321) at the same end by welding. A second slot (3411) is also provided inside the series connection bracket (341). The second slot (3411) is used to fix multiple series connection welding blocks (343) and to separate adjacent series connection welding blocks (343).

4. A home battery pack using blade cells as energy storage according to claim 1, characterized in that, Insulating plates (4) are provided between adjacent cells (321) and on the top, bottom and sides of multiple cells (321).

5. A home battery pack using blade cells as energy storage according to claim 1, characterized in that, The housing (1) is also provided with a module fixing plate (15) for fixing the battery module (3), and its bottom is separated from the bottom of the accommodating chamber; a heat sink assembly (16) for dissipating heat from the battery module (3) is also provided, including a heat sink plate (161) and a heat sink fan (162), the heat sink fan (162) is located on the top of the heat sink plate (161), and the bottom of the heat sink plate (161) is separated from the bottom of the accommodating chamber.

6. A home battery pack using blade cells as energy storage according to claim 5, characterized in that, The battery module (3) is also equipped with a power display (35). When the box (1) and the box cover (2) are closed, the power display (35) is exposed from the box cover (2). The top surface of the box cover (2) is provided with a display port (20) for the power display (35) to be exposed.

7. A home battery pack using blade cells as energy storage according to claim 1, characterized in that, The first mounting component (10) is located on the back of the housing (1) and includes a back mounting plate (101) and a wall mounting plate (102). The back mounting plate (101) is fixedly located on the back of the housing (1). One end of the wall mounting plate (102) is used to be pre-fixed at the installation position, and the other end of the wall mounting plate (102) is used to hook the back mounting plate (101).

8. A home battery pack using blade cells as energy storage according to claim 7, wherein a second mounting component (11) is disposed at the bottom of the housing (1), including a base (111) and a triangular support frame (112), the base (111) being connected to the bottom of the housing (1), and the two triangular support frames (112) being respectively connected to the base (111) and the back of the housing (1) to provide stable support.

9. A home battery pack using blade cells as energy storage according to claim 8, characterized in that, The outer side wall of the box (1) is provided with a carrying handle (12), which is integrally molded with the box (1).

10. A home battery pack using blade cells as energy storage according to claim 1, characterized in that, The top of the box body (1) is provided with a closed annular structure, including a first boss (13) arranged along the length direction of the box body (1) and a second boss (14) arranged along the width direction; the inner side wall of the box cover (2) along the length direction is provided with a sliding plate (21) that can slide along the side wall of the first boss (13), and the inner side wall of the box cover (2) along the width direction is provided with a limiting plate (22). The limiting plate (22) and the two sliding plates (21) are spaced apart. The limiting plate (22) includes a first connecting plate (221) and a second connecting plate (222). The connection between the first connecting plate (221) and the second connecting plate (222) forms a limiting groove (223) that can hook the second boss (14).

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