Energy storage power supply

Abstract

The utility model relates to the technical field of energy storage, and discloses an energy storage power supply which comprises a shell, a fixed frame, a battery cell and a circuit board assembly. The fixing frame is arranged in the containing cavity of the shell and comprises a bottom wall, a vertical wall and a first limiting wall, and the first limiting wall and the first end of the vertical wall are oppositely arranged in the first direction. The bottom wall bears the battery cell, and in the first direction, the first end of the battery cell is located between the first end of the vertical wall and the first limiting wall and limited in the first direction. The circuit board assembly is arranged in the containing cavity and fixed through the fixing frame, and the circuit board assembly is electrically connected with the battery cell. In this way, miniaturization and light weight of the energy storage power supply can be achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of energy storage, in particular to an energy storage power supply. BACKGROUND

[0002] With the continuous development of battery technology and the diversification of outdoor recreational activities, the market demand for portable energy storage power supplies as an auxiliary power supply device is increasing. The existing battery cells of the portable energy storage power supply are accommodated in a battery box and fixed in the shell of the energy storage power supply through the battery box. The battery box occupies a large space and has a large weight, which is not conducive to the design requirements of miniaturization and light weight. CONTENT OF THE UTILITY MODEL

[0003] In view of the problems in the background art, the purpose of the present application is to provide an energy storage power supply which overcomes the above problems or at least partially solves the above problems.

[0004] According to a first aspect of the present application, an energy storage power supply is provided, comprising a shell, a fixed frame, a battery cell and a circuit board assembly. The shell is provided with an accommodation cavity. The fixed frame is arranged in the accommodation cavity, and the fixed frame comprises a bottom wall, a vertical wall and a first limiting wall, the first limiting wall is arranged opposite to the first end of the vertical wall along a first direction, the first end of the vertical wall is connected with the bottom wall, and one end of the first limiting wall is connected with the bottom wall. The bottom wall carries the battery cell, and the first end of the battery cell is located between the first end of the vertical wall and the first limiting wall and is limited along the first direction. The circuit board assembly is arranged in the accommodation cavity and is fixed by the fixed frame, and the circuit board assembly is electrically connected with the battery cell.

[0005] In one or more optional embodiments above, the fixed frame comprises a second limiting wall and a third limiting wall arranged opposite along the second direction, one end of the second limiting wall is connected with the bottom wall, and one end of the third limiting wall is connected with the bottom wall. Along the second direction, the first end of the battery cell is limited between the second limiting wall and the third limiting wall. Wherein, the second direction is perpendicular to the first direction.

[0006] In one or more optional embodiments above, the fixed frame comprises a fourth limiting wall, the fourth limiting wall is arranged opposite to the second end of the vertical wall along the first direction, and along the first direction, the second end of the battery cell is limited between the fourth limiting wall and the second end of the vertical wall.

[0007] In one or more optional embodiments above, a first protective pad is arranged between the first end of the vertical wall and the battery cell; and / or, a second protective pad is arranged between the first limiting wall and the battery cell; and / or, a third protective pad is arranged between the second end of the vertical wall and the battery cell; and / or, a fourth protective pad is arranged between the fourth limiting wall and the battery cell.

[0008] In one or more optional embodiments above, the fixed frame comprises a fifth limiting wall, the fifth limiting wall is arranged opposite to the bottom wall, one end of the fifth limiting wall is connected to the fourth limiting wall away from the bottom wall, and the fifth limiting wall is used to limit the second end of the battery cell in the direction of the fifth limiting wall to the bottom wall.

[0009] In one or more optional embodiments above, the vertical wall is provided with a first heat dissipation through hole; and / or the bottom wall is provided with a second heat dissipation through hole.

[0010] In one or more optional embodiments above, the energy storage power supply comprises a positive copper bar and a negative copper bar, one end of the positive copper bar is connected to the positive pole of the battery cell, the other end of the positive copper bar is connected to the circuit board assembly after passing through the vertical wall, one end of the negative copper bar is connected to the negative pole of the battery cell, and the other end of the negative copper bar is connected to the circuit board assembly after passing through the vertical wall.

[0011] In one or more optional embodiments above, the shell comprises a bottom shell, a top cover, a first side cover and a second side cover, in the direction of the battery cell to the bottom wall, the top cover is butted against the bottom shell, the top cover and the bottom shell define a cavity with a first opening and a second opening arranged opposite in the first direction, the first side cover and the second side cover are respectively covered on the first opening and the second opening, and the bottom shell, the top cover, the first side cover and the second side cover jointly enclose the accommodating cavity.

[0012] In one or more optional embodiments above, the top cover is integrally formed with a handle.

[0013] In one or more optional embodiments above, the inner wall of the bottom shell of the shell is provided with a limiting groove, and the bottom wall is arranged in the limiting groove.

[0014] The energy storage power supply provided by the embodiments of the present application has the beneficial effects that: the energy storage power supply provided by the embodiments of the present application fixes the battery cell by arranging a fixed frame, the fixed frame comprises a vertical wall, a bottom wall and a first limiting wall, the bottom wall bears the battery cell, the first end of the battery cell is limited between the first end of the vertical wall and the first limiting wall in the first direction, compared with the traditional way of receiving the entire battery cell in the battery box, the fixed frame occupies less space and weighs less, which is conducive to realizing the miniaturization and light weight of the energy storage power supply. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, the elements or parts are not necessarily drawn according to the actual proportions.

[0016] Figure 1 A perspective view of a power storage device according to an embodiment of the present application;

[0017] Figure 2 A cross-sectional view of a power storage device according to an embodiment of the present application;

[0018] Figure 3 A partial exploded view of a power storage device according to an embodiment of the present application;

[0019] Figure 4 A schematic view of a power storage device according to an embodiment of the present application with a shell removed;

[0020] Figure 5 A schematic view of a power storage device according to an embodiment of the present application with a shell removed;

[0021] Figure 6 An exploded schematic view of a power storage device according to an embodiment of the present application;

[0022] Figure 7 An exploded schematic view of a power storage device according to an embodiment of the present application. DETAILED DESCRIPTION

[0023] In order to facilitate the understanding of the present application, the present application will be described in more detail below in conjunction with the drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on the other element or one or more intervening elements can be present therebetween. When an element is described as "connected to" another element, it can be directly connected to the other element or one or more intervening elements can be present therebetween. The terms "vertical", "horizontal", "left", "right", "inner", "outer" and similar expressions used in the present specification are for the purpose of illustration only.

[0024] Unless otherwise defined, all technical and scientific terms used in the present specification are the same as those commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" used in the present specification includes any and all combinations of one or more related listed items.

[0025] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] In addition, the technical features involved in different embodiments of the present application described below can be combined with each other as long as there is no conflict between them.

[0027] Please refer to Figure 1 and Figure 2 The energy storage power supply 1000 includes a shell 1, a fixed frame 2, a battery cell 3 and a circuit board assembly 6. The shell 1 is provided with a receiving cavity 1a. The fixed frame 2 is arranged in the receiving cavity 1a, and the fixed frame 2 includes a bottom wall 21, a vertical wall 22 and a first limiting wall 23, the first limiting wall 23 is arranged opposite to the first end of the vertical wall 22 along the first direction X, the first end of the vertical wall 22 is connected with the bottom wall 21, and one end of the first limiting wall 23 is connected with the bottom wall 21. The bottom wall 21 bears the battery cell 3, and along the first direction X, the first end 3a of the battery cell 3 is located between the first end of the vertical wall 22 and the first limiting wall 23 and is limited along the first direction X. The circuit board assembly 6 is arranged in the receiving cavity 1a and is fixed by the fixed frame 2, and the circuit board assembly 6 is electrically connected with the battery cell 3.

[0028] The energy storage power supply 1000 provided by the embodiment of the present application fixes the battery cell 3 by arranging the fixed frame 2, the fixed frame 2 includes the vertical wall 22, the bottom wall 21 and the first limiting wall 23, the bottom wall 21 bears the battery cell 3, and the first end 3a of the battery cell 3 is limited between the first end of the vertical wall 22 and the first limiting wall 23 along the first direction X. Compared with the traditional way of receiving the whole battery cell 3 in the battery box, the fixed frame 2 occupies less space and weighs less, which is conducive to realizing the miniaturization and light weight of the energy storage power supply 1000.

[0029] In some embodiments, the vertical wall 22 and the first limiting wall 23 are perpendicular to the bottom wall 21.

[0030] In some embodiments, when the energy storage power supply 1000 is in the correct placement position, along the direction of gravity, the first end 3a of the battery cell 3 abuts against the bottom wall 21.

[0031] In some embodiments, a first protective pad 4 is matched between the first end of the vertical wall 22 and the battery cell 3.

[0032] In some embodiments, the first protective pad 4 is made of, but not limited to, ethylene-vinyl acetate copolymer. The first protective pad 4 can serve as cushioning and insulation.

[0033] In some embodiments, a second protective pad 5 is arranged between the first limiting wall 23 and the battery cell 3.

[0034] In some embodiments, the second protective pad 5 is made of, but not limited to, ethylene-vinyl acetate copolymer. The second protective pad 5 can serve as cushioning and insulation.

[0035] It can be understood that the materials of the first protective pad 4 and the second protective pad 5 can be selected according to the requirements of use. For example, when the first protective pad 4 and the second protective pad 5 mainly serve to prevent the vertical wall 22 and the first limiting wall 23 from directly pressing the battery cell 3, the materials can be selected considering the elasticity and softness of the materials. For another example, when the protective frame is made of metal material, the first protective pad 4 and the second protective pad 5 need to consider the insulation performance of the materials. For another example, when the heat of the battery cell 3 needs to be conducted to the fixing frame 2, the first protective pad 4 and the second protective pad 5 need to consider the thermal conductivity of the materials.

[0036] In some embodiments, the first protective pad 4 is arranged at least partially between the first end of the vertical wall 22 and the first end 3a of the battery cell 3, and the second protective pad 5 is arranged at least partially between the first end 3a of the battery cell 3 and the first limiting wall 23. The first end of the vertical wall 22 and the first limiting wall 23 respectively clamp and fix the first end 3a of the battery cell 3 through the first protective pad 4 and the second protective pad 5.

[0037] In some embodiments, the battery cell 3 includes a shell and an electrode assembly (not shown in the figure). The electrode assembly is arranged in the shell, and the electrode assembly includes positive electrode sheets, negative electrode sheets, and separator films arranged in layers. The first electrode sheet and the second electrode sheet are oppositely polarized and arranged in layers, and the separator film is arranged between adjacent positive electrode sheets and negative electrode sheets to separate them. In some embodiments, the battery cell 3 is a steel shell battery cell, i.e., the shell is a steel shell. It can be understood that in other embodiments, the battery cell 3 can also be other types of hard shell battery cells, i.e., the shell is an aluminum shell or other metal shell.

[0038] In some embodiments, the electrode assembly is a jelly-roll type.

[0039] In some embodiments, the positive electrode sheets, the negative electrode sheets, and the separator films of the jelly-roll type electrode assembly are arranged in layers along the first direction X.

[0040] In other embodiments, the electrode assembly is a jelly-roll type. The positive electrode sheets, the negative electrode sheets, and the separator films are arranged in layers and wound into a columnar structure, and the first direction X is perpendicular to the axis of the columnar structure.

[0041] Please refer to Figures 3-5In some embodiments, the outer surface of the shell includes a first end surface 311 and a second end surface 312 arranged opposite to each other, and a side surface connected between the first end surface 311 and the second end surface 312. The first end surface 311 is located at the first end 3a of the battery cell 3, and the second end surface 312 is located at the second end 3b of the battery cell 3. The first end surface 311 abuts against the surface of the bottom wall 21 facing the battery cell 3.

[0042] In some embodiments, the side surface of the shell includes a first side surface 313 and a second side surface (not shown) arranged opposite to each other along the first direction X, and a third side surface 315 and a fourth side surface 316 arranged opposite to each other along the second direction Y. The first protective pad 4 and the second protective pad 5 are respectively attached to the first side surface 313 and the second side surface. The two surfaces of the first end of the standing wall 22 and the first limiting wall 23 facing each other respectively press the first protective pad 4 and the second protective pad 5, so that the first protective pad 4 and the second protective pad 5 are respectively pressed towards the first side surface 313 and the second side surface, to clamp and fix the first end 3a of the battery cell 3 in the first direction X.

[0043] In some embodiments, the shell is generally cuboid-shaped. The side surface of the shell includes the third side surface 315 and the fourth side surface 316 arranged opposite to each other along the second direction Y, and the first end surface 311 and the second end surface 312 arranged opposite to each other along the third direction Z. In this application, the first direction X, the second direction Y and the third direction Z are perpendicular to each other.

[0044] In some embodiments, the fixing frame 2 includes a second limiting wall 24 and a third limiting wall 25 arranged opposite to each other along the second direction Y. One end of the second limiting wall 24 is connected to the bottom wall 21, and one end of the third limiting wall 25 is connected to the bottom wall 21. Along the second direction Y, the first end 3a of the battery cell 3 is limited between the second limiting wall 24 and the third limiting wall 25.

[0045] In some embodiments, the second limiting wall 24 and the third limiting wall 25 are perpendicular to the bottom wall 21.

[0046] In some embodiments, the second limiting wall 24 is used to abut against the part of the third side surface 315 located at the first end 3a of the battery cell 3 along the second direction Y, to limit the first end 3a of the battery cell 3 in the second direction Y, and the third limiting wall 25 is used to abut against the part of the fourth side surface 316 located at the first end 3a of the battery cell 3 along the direction opposite to the second direction Y, to limit the first end 3a of the battery cell 3 in the direction opposite to the second direction Y.

[0047] In some embodiments, the fixing frame 2 includes a fourth limiting wall 26 arranged opposite to the second end of the standing wall 22 along the first direction X. The two ends of the connecting part 27 are respectively connected to the fourth limiting wall 26 and the second end of the standing wall 22. The second end 3b of the battery cell 3 is limited between the fourth limiting wall 26 and the second end of the standing wall 22.

[0048] In some embodiments, a third protective pad 7 is arranged between the second end of the standing wall 22 and the battery cell 3.

[0049] In some embodiments, a fourth protective pad 8 is arranged between the fourth limiting wall 26 and the battery cell 3.

[0050] The material selection of the third protective pad 7 and the fourth protective pad 8 can refer to the first protective pad 4 and the second protective pad 5 in the above embodiments, which will not be repeated here.

[0051] In some embodiments, the third protective pad 7 is arranged at least partially between the second end of the standing wall 22 and the second end 3b of the battery cell 3, and the fourth protective pad 8 is arranged at least partially between the second end 3b of the battery cell 3 and the fourth limiting wall 26. The second end of the standing wall 22 and the fourth limiting wall 26 respectively clamp and fix the second end 3b of the battery cell 3 through the third protective pad 7 and the fourth protective pad 8.

[0052] In this application, the first protective pad 4 and the third protective pad 7 can be integrally formed; the second protective pad 5 and the fourth protective pad 8 can be integrally formed; the first protective pad 4, the second protective pad 5, the third protective pad 7 and the fourth protective pad 8 can also be combined by multiple small pads respectively, which will not be limited here.

[0053] In some embodiments, the fixing frame 2 includes a connecting part 27, and two ends of the connecting part 27 are respectively connected to the fourth limiting wall 26 and the second end of the standing wall 22.

[0054] In some embodiments, the end of the connecting part 27 away from the second limiting wall 24 is screwed and fixed to the second end of the standing wall 22 along the direction of the second limiting wall 24 to the standing wall 22.

[0055] In some embodiments, the number of the connecting part 27 is two, and the two connecting parts 27 are respectively connected to the two ends of the fourth limiting wall 26 along the second direction Y.

[0056] In some embodiments, the fixing frame 2 includes a fifth limiting wall 28, the fifth limiting wall 28 is arranged opposite to the bottom wall 21, one end of the fifth limiting wall 28 is connected to the end of the fourth limiting wall 26 away from the bottom wall 21, and the fifth limiting wall 28 is used for limiting the second end 3b of the battery cell 3 in the direction of the fifth limiting wall 28 to the bottom wall 21.

[0057] In some embodiments, the fifth limiting wall 28 is used for abutting against the second end surface 312 in the direction of the fifth limiting wall 28 to the bottom wall 21, so as to limit the battery cell 3 in the third direction Z.

[0058] In some embodiments, the electric cell 3 comprises a middle portion 3c between the first end 3a of the electric cell 3 and the second end 3b of the electric cell 3. Due to the chemical reaction inside the electric cell 3, temperature rise, evaporation of electrolyte and other factors, the generation of gas and thermal expansion of materials inside the electric cell 3 will occur. The fixing frame 2 of the energy storage power supply 1000 of the present application clamps and fixes the first end 3a of the electric cell 3 and the second end 3b of the electric cell 3, respectively, and the middle portion 3c of the electric cell 3 can provide expansion deformation for the electric cell 3.

[0059] In some embodiments, the vertical wall 22 is provided with a first heat dissipation through hole 22a. The first heat dissipation through hole 22a is beneficial to improve the heat dissipation effect of the electric cell 3.

[0060] In some embodiments, the bottom wall 21 is provided with a second heat dissipation through hole 21a. The second heat dissipation through hole 21a is beneficial to improve the heat dissipation effect of the electric cell 3.

[0061] Please refer to Figure 2 and Figure 5 In some embodiments, the circuit board assembly 6 is fixed to the side of the vertical wall 22 away from the electric cell 3.

[0062] In some embodiments, the circuit board assembly 6 comprises a substrate 61 and electronic devices, the substrate 61 is fixed to the side of the vertical wall 22 away from the electric cell 3, and the electronic devices are arranged on the surface of the substrate 61 away from the vertical wall 22.

[0063] In some embodiments, the substrate 61 is screwed to the vertical wall 22 in the first direction X.

[0064] In some embodiments, the lines and electronic devices on the substrate 61 together constitute an inverter circuit and a control circuit. The inverter circuit is used to realize the conversion and output of the electric energy of the electric cell 3, and the control circuit is used for the management and optimization of the system.

[0065] In some embodiments, the positive pole 32 and the negative pole 33 of the electric cell 3 are arranged on the side of the shell of the electric cell 3 away from the bottom wall 21.

[0066] In some embodiments, the positive pole 32 and the negative pole 33 protrude from the second end surface 312.

[0067] In some embodiments, the energy storage power supply 1000 comprises a positive copper bar 9 and a negative copper bar 10, one end of the positive copper bar 9 is connected to the positive pole 32 of the electric cell 3, the other end of the positive copper bar 9 is connected to the circuit board assembly 6 after passing through the vertical wall 22, one end of the negative copper bar 10 is connected to the negative pole 33 of the electric cell 3, and the other end of the negative copper bar 10 is connected to the circuit board assembly 6 after passing through the vertical wall 22.

[0068] In some embodiments, the other end of the positive copper bar 9 passes through the vertical wall 22 and is connected to the positive input end of the inverter circuit, and the other end of the negative copper bar 10 passes through the vertical wall 22 and is connected to the negative input end of the inverter circuit.

[0069] Please refer to Figure 1 、 Figure 3 、 Figure 6 and Figure 7 In some embodiments, the shell 1 includes a bottom shell 11, a top cover 12, a first side cover 13 and a second side cover 14. In the direction from the electric core 3 to the bottom wall 21, the top cover 12 is opposite to the bottom shell 11, and the top cover 12 and the bottom shell 11 define a cavity with a first opening 1b and a second opening 1c opposite in the first direction X. The first side cover 13 and the second side cover 14 are respectively arranged at the first opening 1b and the second opening 1c. The bottom shell 11, the top cover 12, the first side cover 13 and the second side cover 14 jointly form a containing cavity 1a. By disassembling the first side cover 13 and the second side cover 14, the electric core 3 and the circuit board assembly 6 can be respectively exposed to facilitate maintenance.

[0070] In some embodiments, the top cover 12 includes a top plate 121 opposite to the bottom shell 11 in the third direction Z, and a front plate 122 and a rear plate 123 opposite in the second direction Y. The front plate 122 and the rear plate 123 are respectively connected to the two ends of the top plate 121 opposite in the second direction Y.

[0071] In some embodiments, the end of the front plate 122 away from the top plate 121 is provided with a first butt protrusion 1221, and the end of the rear plate 123 away from the top plate 121 is provided with a second butt protrusion 1231. In the second direction Y, the first end and the second end of the bottom shell 11 are respectively provided with a first butt groove 111 and a second butt groove 112. In the direction from the top plate 121 to the bottom shell 11, the first butt protrusion 1221 and the second butt protrusion 1231 are respectively inserted into the first butt groove 111 and the second butt groove 112.

[0072] In some embodiments, the shell 1 includes a first fastening bolt (not shown in the figure) and a second fastening bolt (not shown in the figure). In the direction from the bottom shell 11 to the top plate 121, the first fastening bolt passes through the first end of the bottom shell 11 and is screwed to the end of the front plate 122 away from the top plate 121, and the second fastening bolt passes through the second end of the bottom shell 11 and is screwed to the end of the rear plate 123 away from the top plate 121.

[0073] In some embodiments, the top cover 12 is integrally formed with a handle 126.

[0074] In some embodiments, the first end of the front plate 122 and the bottom shell 11 are respectively provided with a first clamping hook (not shown in the figure) and a first clamping groove part 113. When the first butt protrusion 1221 is inserted into the first butt groove 111, the first clamping hook is clamped in the first clamping groove part 113.

[0075] In some embodiments, the second end of the back plate 123 and the bottom shell 11 are respectively provided with a second clamping hook (not shown in the figure) and a second clamping groove 114, and when the first butt protrusion 1221 is inserted into the first butt groove 111, the second clamping hook is clamped in the second clamping groove 114.

[0076] In some embodiments, the inner wall of the bottom shell 11 of the shell 1 is provided with a limiting groove 115, and the bottom wall 21 is arranged in the limiting groove 115.

[0077] In some embodiments, the first end of the second limiting wall 24 away from the bottom wall 21 is provided with a first fixing part 241, and the inner wall of the bottom shell 11 is provided with a first fixing column 115, and the first fixing part 241 is screwed and fixed to the first fixing column 115 in the direction of the bottom wall 21 of the battery cell 3.

[0078] In some embodiments, the first end of the second limiting wall 24 away from the bottom wall 21 is provided with a first fixing part 241, and the inner wall of the bottom shell 11 is provided with a first fixing column 115, and the first fixing part 241 is screwed and fixed to the first fixing column 115 in the direction of the bottom wall 21 of the battery cell 3.

[0079] In some embodiments, the groove bottom of the limiting groove 115 is provided with a plurality of support ribs 1151 arranged in sequence, and the surface of the bottom wall 21 away from the battery cell 3 abuts against the plurality of support ribs 1151.

[0080] In some embodiments, the opposite ends of the fourth limiting wall 26 in the second direction Y are provided with a third fixing part 261 and a fourth fixing part 262, the inner wall of the top cover 12 is provided with a first protruding part 124 and a second protruding part 125 arranged oppositely in the second direction Y, and the third fixing part 261 and the fourth fixing part 262 are at least partially overlapped with the first protruding part 124 and the second protruding part 125 in the direction of the battery cell 3 towards the vertical wall 22, and the third fixing part 261 and the fourth fixing part 262 are screwed and fixed to the first protruding part 124 and the second protruding part 125 in the direction of the battery cell 3 towards the vertical wall 22.

[0081] Please refer to Figure 6 and Figure 7 In some embodiments, the top plate 121 is provided with a power supply main switch 1211.

[0082] In some embodiments, the front plate 122 is provided with an output interface.

[0083] In some embodiments, the output interface includes a USB (Universal Serial Bus) interface 1223, a Type-C output interface 1224, and two alternating current output interfaces 1225.

[0084] In some embodiments, the back plate 123 is provided with an input interface.

[0085] In some embodiments, the input interface includes a solar panel input interface 1233 and an alternating current input interface 1234. The solar panel input interface is used to connect with a solar panel. The alternating current input interface is used to connect with an alternating current power supply.

[0086] The above merely describes the embodiments of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. An energy storage power source, characterized in that, include: The housing has a receiving cavity; A fixed frame is disposed within the receiving cavity. The fixed frame includes a bottom wall, a vertical wall, and a first limiting wall. The first limiting wall and the first end of the vertical wall are disposed opposite each other along a first direction. The first end of the vertical wall is connected to the bottom wall, and one end of the first limiting wall is connected to the bottom wall. A battery cell, wherein the bottom wall supports the battery cell, and the first end of the battery cell is located between the first end of the vertical wall and the first limiting wall and is limited along a first direction; A circuit board assembly is disposed within the receiving cavity and fixed by the fixing frame, and the circuit board assembly is electrically connected to the battery cell.

2. The energy storage power supply according to claim 1, characterized in that, The fixed frame includes a second limiting wall and a third limiting wall arranged opposite to each other along a second direction, one end of the second limiting wall being connected to the bottom wall, and one end of the third limiting wall being connected to the bottom wall; Along the second direction, the first end of the battery cell is positioned between the second limiting wall and the third limiting wall; The second direction is perpendicular to the first direction.

3. The energy storage power supply according to claim 1, characterized in that, The fixed frame includes a fourth limiting wall, which is disposed opposite to the second end of the vertical wall along the first direction. Along the first direction, the second end of the battery cell is limited between the fourth limiting wall and the second end of the vertical wall.

4. The energy storage power supply according to claim 3, characterized in that, A first protective pad is fitted between the first end of the vertical wall and the battery cell; and / or A second protective pad is fitted between the first limiting wall and the battery cell; and / or, A third protective pad is fitted between the second end of the vertical wall and the battery cell; and / or, A fourth protective pad is fitted between the fourth limiting wall and the battery cell.

5. The energy storage power supply according to claim 3, characterized in that, The fixed frame includes a fifth limiting wall, which is disposed opposite to the bottom wall. One end of the fifth limiting wall is connected to the end of the fourth limiting wall away from the bottom wall. The fifth limiting wall is used to limit the second end of the battery cell in the direction from the fifth limiting wall to the bottom wall.

6. The energy storage power supply according to claim 1, characterized in that, The vertical wall is provided with a first heat dissipation hole; and / or the bottom wall is provided with a second heat dissipation hole.

7. The energy storage power supply according to claim 1, characterized in that, The energy storage power supply includes a positive copper busbar and a negative copper busbar. One end of the positive copper busbar is connected to the positive terminal of the battery cell, and the other end of the positive copper busbar passes through the vertical wall and is connected to the circuit board assembly. One end of the negative copper busbar is connected to the negative terminal of the battery cell, and the other end of the negative copper busbar passes through the vertical wall and is connected to the circuit board assembly.

8. The energy storage power supply according to claim 1, characterized in that, The housing includes a bottom shell, a top cover, a first side cover, and a second side cover. Along the direction from the battery cell to the bottom wall, the top cover is connected to the bottom shell. The top cover and the bottom shell define a cavity having a first opening and a second opening that are arranged opposite to each other along the first direction. The first side cover and the second side cover are respectively covered by the first opening and the second opening. The bottom shell, the top cover, the first side cover, and the second side cover together enclose the receiving cavity.

9. The energy storage power supply according to claim 8, characterized in that, The top cover has an integrally formed handle.

10. The energy storage power supply according to claim 8, characterized in that, The inner wall of the bottom shell of the housing is provided with a limiting groove, and the bottom wall is disposed in the limiting groove.

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