Energy storage power source

Abstract

To provide an energy storage power supply capable of solving at least one of such problems that the number and variety of components are many, assembly processes are also many, cost is high, and a product space utilization ratio is low and an overall product size is large.SOLUTION: An energy storage power supply includes: a housing in which a housing cavity is provided, a plurality of first fixed components being provided on an inner wall of the housing cavity, a first through hole being provided in a bottom wall of each of the first fixed components; and a plurality of battery cells which are provided in one-to-one correspondence with the plurality of first fixed components, and each of which includes a body, a first pole pillar, and a second pole pillar, the first pole pillar and the second pole pillar being provided on both ends of the body in a length direction, one end of the body being housed in the first fixed component, the first pole pillar being provided through the first through hole.SELECTED DRAWING: Figure 1

Description

[Technical field]

[0001] The present invention relates to the field of energy storage technology, and in particular to an energy storage power source. [Background technology]

[0002] In related technology, battery cells, battery cell brackets, bus bars, collecting plates, screws and other components are assembled into a battery module, and the battery module is then installed in the housing of the product and fixed with screws to assemble an energy storage power source. However, the conventional solution has a large number and variety of components, many assembly processes, and high costs. In addition, because installation space is reserved, the space utilization rate of the product is low and the overall product size is large. Summary of the Invention [Problem to be solved by the invention]

[0003] The present invention provides an energy storage power source that can solve at least one of the above-mentioned existing technical problems. [Means for solving the problem]

[0004] In accordance with an embodiment of the present invention, there is provided an energy storage power supply, A housing, the housing having a receiving cavity therein, a plurality of first fixing components provided on an inner wall of the receiving cavity, and a first through hole provided on a bottom wall of the first fixing components; a plurality of battery cells, the plurality of battery cells having a one-to-one correspondence with the plurality of first fixing parts, the battery cells including a main body, a first pole and a second pole, the first pole and the second pole being respectively provided at both ends in a longitudinal direction of the main body, one end of the main body being accommodated in the first fixing part, and the first pole being connected to the outside of the accommodating cavity via the first through hole.

[0005] In the above-mentioned energy storage power source, a first fixing part is provided on the inner wall of the accommodating cavity, and one end of the main body of the battery cell is accommodated in the first fixing part, so that the battery cell can be directly attached to the first fixing part, which eliminates the need to assemble the battery module before inserting it into the housing. This not only reduces the assembly process and cuts costs, but also reduces the number of parts required to assemble the battery module, thereby improving the space utilization rate of the product and reducing the product size.

[0006] In some embodiments, a first bracket is provided on an inner wall of the receiving cavity, and the first fixing components are provided on the first bracket.

[0007] In some embodiments, the energy storage power source includes a second bracket located in the accommodating cavity, the second bracket is connected to an inner wall of the accommodating cavity, a plurality of second fixing components are provided on the second bracket, a bottom wall of the second fixing component is provided with a second through hole, the plurality of battery cells and the plurality of second fixing components correspond one-to-one, the other end of the main body is accommodated in the second fixing component, and the second pole is connected to the outside of the accommodating cavity through the second through hole.

[0008] In some embodiments, the first bracket includes a plurality of protruding posts, the posts being fixedly connected to the second bracket.

[0009] In some embodiments, the first bracket includes a surrounding wall connected to an inner wall of the receiving cavity, the surrounding wall defines a receiving groove, and the receiving groove communicates with the first plurality of fixed components.

[0010] In some embodiments, a fixing gel is injected into the receiving groove, and the fixing gel fixedly connects the battery cell and the first bracket.

[0011] In some embodiments, the stored energy power source comprises: The busbar assembly includes a first busbar and a second busbar, the first busbar connected to first poles of at least two battery cells, and the second busbar connected to second poles of at least two battery cells.

[0012] In some embodiments, the energy storage power source includes a cover plate, an outer wall of the housing corresponding to the first fixed part is provided with an accommodating groove, the first through hole penetrates a bottom wall of the accommodating groove, the first bus bar is located in the accommodating groove, and the cover plate is provided on the outer wall of the housing and covers the accommodating groove.

[0013] In some embodiments, the stored energy power source includes a thermally conductive adhesive, the thermally conductive adhesive connecting the cover plate and the first bus bar.

[0014] In some embodiments, the stored energy power source includes a sealing ring, the sealing ring sealingly connecting the cover plate and an outer wall of the housing.

[0015] In some embodiments, the housing includes a first housing and a second housing, the first housing removably connected to the second housing to surround and define the receiving cavity, and the first fixed component is disposed on the first housing or the second housing.

[0016] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and be easily understood from the following detailed description of the embodiments based on the drawings. [Brief description of the drawings]

[0018] [Figure 1] FIG. 1 is a structural schematic diagram of an energy storage power source according to an embodiment of the present invention. [Diagram 2] FIG. 2 is a structural schematic diagram of a first housing of the energy storage power source according to an embodiment of the present invention; [Diagram 3] 1 is a structural schematic diagram of a battery cell according to an embodiment of the present invention. [Figure 4] 1 is a schematic diagram showing the internal structure of an energy storage power source according to an embodiment of the present invention; [Diagram 5] FIG. 2 is an exploded schematic diagram of an energy storage power source according to an embodiment of the present invention. [Figure 6] FIG. 2 is another exploded schematic diagram of an energy storage power source according to an embodiment of the present invention. [Figure 7] FIG. 2 is a further structural schematic diagram of the first housing of the energy storage power supply according to an embodiment of the present invention; [Figure 8] FIG. 2 is a partial structural schematic diagram of an energy storage power source according to an embodiment of the present invention; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0019] Hereinafter, the embodiments of the present invention will be described in detail. Examples of the embodiments to be described are shown in the drawings, and the same or similar numbers throughout the drawings indicate the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and are used only to interpret the present invention, and cannot be understood as limiting the present invention.

[0020] The disclosure below provides many different embodiments or examples for implementing different configurations of the present invention. In order to simplify the disclosure of the present invention, specific example components and installations are described. Of course, these are merely examples and are not intended to be limitations on the present invention. In addition, the present invention uses repeated reference numerals and / or characters in different examples, and this repetition is for the purpose of simplifying and clarifying the description, and does not indicate a relationship between the various embodiments and / or installations discussed. In addition, the present invention provides examples of specific steps and materials, but one skilled in the art may recognize the application of other steps and / or the use of other materials.

[0021] Additionally, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or suggesting the relative importance or number of technical features. Thus, a feature qualified as "first" or "second" may be expressly or implied to include one or more features. In the present description, "plurality" means two or more unless specifically limited otherwise.

[0022] In the description of this specification, the terms "one embodiment," "some embodiments," "exemplary embodiments," "examples," "examples," or "some examples" mean that the specific features, structures, materials, or characteristics of the described embodiment or example are included in one or more of the embodiments or examples of the present invention. The denotative expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics may be combined in any suitable manner in any one or more of the embodiments or examples.

[0023] In describing the present invention, orientations or positional relationships designated as "center," "longitudinal," "lateral," "length," "width," "thickness," "up," "down," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inside," "outside," "clockwise," "counterclockwise," and the like are based on the orientations and positional relationships shown in the figures, and are intended solely to illustrate and simplify the description of the present invention, and do not indicate or imply that the designated devices or elements must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be understood as limitations of the present invention.

[0024] In the present invention, unless otherwise clearly specified or limited, the expression that a first feature is "above" or "below" a second feature includes not only the case where the first feature and the second feature are in direct contact with each other, but also the case where they are not in direct contact with each other but are in contact with each other through another feature interposed therebetween. Moreover, the expression that a first feature is "above", "upper", or "on the upper surface" of a second feature means that the first feature is located just above or diagonally above the second feature, or simply that the horizontal elevation of the first feature is higher than that of the second feature. The expression that a first feature is "below", "below", or "on the lower surface" of a second feature means that the first feature is located just below or diagonally below the second feature, or simply that the horizontal elevation of the first feature is lower than that of the second feature.

[0025] In the description of the present invention, unless otherwise clearly specified or limited, the terms "attached", "coupled" and "connected" should be understood in a broad sense. For example, they may be fixed, detachable or integral, mechanical or electrical, direct or indirect through an intermediate, or two elements may be in internal communication or in a mutually interacting relationship. Those skilled in the art will be able to understand the specific meaning of these terms in the present invention according to the specific circumstances.

[0026] Please refer to Figs. 1 to 4. The energy storage power source 100 according to the embodiment of the present invention includes a housing 10 and a plurality of battery cells. An accommodating cavity 11 is provided in the housing 10. A plurality of first fixing parts 1111 are provided on an inner wall 113 of the accommodating cavity 11. A first through hole 1112 is provided on a bottom wall of the first fixing part 1111. The plurality of battery cells 20 and the plurality of first fixing parts 1111 correspond one-to-one. The battery cell 20 includes a main body 21, a first pole 22, and a second pole 23. The first pole 22 and the second pole 23 are provided at both ends of the main body 21 in the longitudinal direction. One end of the main body 21 is accommodated in the first fixing part 1111. The first pole 22 is in communication with the outside of the accommodating cavity via the first through hole 1112.

[0027] In the above-mentioned energy storage power source 100, a first fixing part 1111 is provided on the inner wall 113 of the accommodating cavity 11, and one end of the main body 21 of the battery cell 20 is accommodated within the first fixing part 1111, so that the battery cell 20 can be directly attached to the first fixing part 1111. This eliminates the need to assemble the battery module before inserting it into the housing 10, thereby reducing the assembly process and costs. In addition, the number of parts required to assemble the battery module can be reduced, thereby improving the space utilization rate of the product and reducing the product size.

[0028] In one embodiment, at least a part of the housing 10 of the energy storage power source 100 surrounds and forms a receiving cavity 11, which is used to receive the battery cell 20. The battery cell 20 may be cylindrical. The battery cell 20 may be placed vertically in the receiving cavity 11, and the vertical direction corresponds to the length direction of its body 21. Accordingly, the first fixing part 1111 is provided at the bottom of the receiving cavity 11 to fix the bottom of the battery cell 20. It will also be understood that the first fixing part 1111 may be provided at the top of the receiving cavity 11 to fix the top of the battery cell 20. The first fixing part 1111 may be integrally molded with the housing 10, or may be connected to the bottom of the inner wall 113 of the receiving cavity 11 by other fixed connection manners, so that the battery cell 20 is fixed relative to the housing 10. The first pole 22 and the second pole 23 of the battery cell 20 are current interfaces when the battery cell 20 is supplied with power or charged. The battery cell 20 includes a first pole 22 and a second pole 23 provided at both ends of the body 21 in the longitudinal direction, respectively. The first pole 22 penetrates into the first through-hole 1112. That is, the battery cell 20 has two poles, one of which penetrates into the first through-hole 1112.

[0029] For different electrical connection modes of two adjacent battery cells 20, the polarities of the first pole 22 and the second pole 23 may be different. When two adjacent battery cells 20 are connected in series, the first pole 22 of one of the battery cells 20 is a positive pole and the second pole 23 is a negative pole, while the first pole 22 of the other battery cell 20 is a negative pole and the second pole 23 is a positive pole. When two adjacent battery cells 20 are connected in parallel, the first pole 22 of one of the battery cells 20 is a positive pole and the second pole 23 is a negative pole, while the first pole 22 of the other battery cell 20 is a positive pole and the second pole 23 is a negative pole. One of the first pole 22 and the second pole 23 is connected to the first fixing part 1111. When the first fixing part 1111 is at the bottom of the receiving cavity 11, the first pole 22 is a negative pole, and the first pole 22 is connected to the first fixing part 1111, the first pole 22 can penetrate the housing 10 through the first through hole 1112 on the first fixing part 1111 and be electrically connected to an external device. This establishes a port for power supply or charging to the outside of the energy storage power source 100. The number of the first fixing parts 1111 is held to match the number of the battery cells 20, and all the battery cells 20 are fixed in the respective first fixing parts 1111. The first fixing part 1111 may be a circular groove, and the diameter of the first fixing part 1111 corresponds to the diameter of the battery cells 20, and the diameters of the first fixing part 1111 and the battery cells 20 may be equal to each other to fix the battery cells 20 in the groove, or the diameter of the first fixing part 1111 may be slightly smaller than the diameter of the battery cells 20 to improve the strength of fixing by interference fitting. It will be understood that the first fixing part 1111 is set to a triangle, polygon or other irregular shape, and the diameter of its maximum inner circle is maintained to satisfy the above-mentioned conditions. By making the diameter of the first through-hole 1112 equal to or smaller than the diameter of the first fixing part 1111, the battery cell 20 is prevented from slipping out of the first through-hole 1112. In this way, by reducing the number of structural parts, the size and weight of the energy storage power source 100 can be reduced, the product structure and assembly process can be optimized, the volumetric energy density and mass energy density of the product can be improved, and the cost can be reduced and the product can be easily carried.In some embodiments, the first fixing part 1111 may be a fixing groove that is fitted to the battery cell 20 by interference, or may be a clamp, clip, or other type of fixing part that fixes the battery cell 20.

[0030] Also, in some other embodiments, the battery cell 20 may be a rectangular battery cell. When the battery cell 20 is a rectangular battery cell, the shape of the first fixing part 1111 is also a corresponding rectangular shape. In some other embodiments, the battery cell 20 may be placed horizontally or in other directions in the receiving cavity 11. When the battery cell 20 is placed horizontally, the first fixing part 1111 may be provided on the inner wall of the front side, rear side, left side or right side of the receiving cavity 11 to fix the battery cell 20.

[0031] See Fig. 5. In some embodiments, a first bracket 111 is provided on the inner wall of the receiving cavity 11, and the first bracket 111 is provided with a plurality of first fixing components 1111.

[0032] In this manner, the structure of the housing 10 can be simplified.

[0033] Specifically, see Fig. 5. In one embodiment, a first bracket 111 may be provided at the bottom of the receiving cavity 11, and a plurality of first fixing parts 1111 are provided on the first bracket 111. By assembling a plurality of first fixing parts 1111 on the first bracket 111, the structure of the housing 10 can be simplified. The first bracket 111 may be welded onto the housing 10, or may be removably fixed using a bolt or the like, and the first bracket 111 may be replaced with a first bracket 111 having a different number of first fixing parts 1111 according to needs, thereby improving the flexibility of the energy storage power source 100.

[0034] In some embodiments, the first bracket 111 and the housing 10 are a unitary structure.

[0035] In this way, the strength of the connection between the first bracket 111 and the housing 10 can be improved, and the manufacturing efficiency of the energy storage power source 100 can be improved.

[0036] Specifically, in one embodiment, the material of the first bracket 111 and the housing 10 is plastic, and the first bracket 111 and the housing 10 are integrally manufactured by an injection molding process, so that the first bracket 111 and the housing 10 can be formed into an integrally molded structure.

[0037] In one embodiment, the material of the first bracket 111 and the housing 10 may be metal, and the first bracket 111 and the housing 10 may be manufactured integrally by processes such as die casting, stamping, etc., so that the first bracket 111 and the housing 10 can be formed into an integrally molded structure.

[0038] Since the first bracket 111 and the housing 10 have an integrally molded structure, there is no gap between the first bracket 111 and the housing 10, which in turn improves the connection strength between the first bracket 111 and the housing 10. By manufacturing the first bracket 111 and the housing 10 by integral molding, the manufacturing efficiency of the energy storage power supply 100 can be improved.

[0039] Please refer to FIG. 5. In some embodiments, the energy storage power supply 100 includes a second bracket 112 located in the receiving cavity 11. The second bracket 112 is connected to an inner wall of the receiving cavity 11. The second bracket 112 is provided with a plurality of second fixing parts (not shown). A second through hole 1121 is provided in a bottom wall of the second fixing part. The plurality of battery cells 20 and the plurality of second fixing parts are in one-to-one correspondence. The other end of the body 21 is received in the second fixing part. The second pole 23 is connected to the outside of the receiving cavity through the second through hole 1121.

[0040] In this way, the strength of the fixing of the battery cell 20 is improved.

[0041] Specifically, the second pole 23 of the battery cell 20 penetrates through the second through hole 1121, and the first pole 22 penetrates through the first through hole 1112, that is, the battery cell 20 has two poles, which penetrate through the first through hole 1112 and the second through hole 1121 respectively.

[0042] For different electrical connection modes of two adjacent battery cells 20, the polarities of the first pole 22 and the second pole 23 may be different. When two adjacent battery cells 20 are connected in series, the first pole 22 of one of the battery cells 20 is a positive pole and the second pole 23 is a negative pole, while the first pole 22 of the other battery cell 20 is a negative pole and the second pole 23 is a positive pole. When two adjacent battery cells 20 are connected in parallel, the first pole 22 of one of the battery cells 20 is a positive pole and the second pole 23 is a negative pole, while the first pole 22 of the other battery cell 20 is a positive pole and the second pole 23 is a negative pole.

[0043] Please refer to FIG. 5. In one embodiment, when one end of the battery cell 20 is fixed by the first fixing part 1111 and the first pole 22 is inserted through the first through hole 1112 of the first fixing part 1111, the second bracket 112 can fix the other end of the battery cell 20. When the first fixing part 1111 is provided at the bottom of the receiving cavity 11, the second bracket 112 can be fixedly connected to the top of the receiving cavity 11, so that the battery cell 20 can be prevented from bending or popping out when the energy storage power source 100 is subjected to external disturbance such as vibration. The second fixing part is a circular groove corresponding to the diameter of the battery cell 20, and the diameters of the two may be equal, so that the battery cell 20 is fixed in the groove. The diameter of the second fixing part may be slightly smaller than the diameter of the battery cell 20, so that the strength of the fixation can be improved by interference fitting. It will be understood that the second fixing component can be set to a triangle, polygon or other irregular shape, and the diameter of its maximum inner circle is maintained to satisfy the above-mentioned conditions. By making the diameter of the second through hole 1121 equal to or smaller than the diameter of the second fixing component, the battery cell 20 is prevented from slipping out of the second through hole 1121. When the diameter of the first through hole 1112 is smaller than the diameter of the first fixing component 1111 and the diameter of the second through hole 1121 is smaller than the diameter of the second fixing component, both ends of the battery cell 20 may abut against the first fixing component 1111 of the first bracket 111 and the second fixing component of the second bracket 112 at the same time, thereby further enhancing the fixing strength of the battery cell 20.

[0044] In some embodiments, the shape of the second fixing part may be rectangular, corresponding to the cross-sectional shape of the battery cell 20. In addition, when the battery cell 20 is placed horizontally or in other directions in the receiving cavity 11, the first bracket 111 and the second bracket 112 may also be provided on the inner wall 113 in the corresponding direction in the receiving cavity 11, respectively serving to fix one end of the battery cell 20. It will be understood that in other embodiments, the battery cell 20 may be placed in the receiving cavity 11 at various angles, and the position of the parts connected to the battery cell 20 may be adjusted accordingly. Further details will not be repeated.

[0045] See Figure 2. In some embodiments, the first bracket 111 includes a plurality of posts 1115, which are fixedly connected to the second bracket 112.

[0046] In this way, the strength of the fixing of the battery cell 20 is improved.

[0047] Specifically, please refer to FIG. 2. In one embodiment, the support 1115 on the first bracket 111 extends to the second bracket 112 along the height direction of the energy storage power source 100 and connects to the second bracket 112, and a screw hole may be provided on the support 1115. The second bracket 112 may include a screw part for screwing into the screw hole, so that the first bracket 111 is fixedly connected to the second bracket 112 by thread engagement, and both ends of the battery cell 20 are sandwiched and fixed. The first bracket 111 may also include a bottom plate, which is the structural main body of the first bracket 111. The support 1115 may be integrally formed with the bottom plate, or may be fixedly connected to the bottom plate by a method such as a connection by a screw thread. In another embodiment, the support 1115 may also be fixedly connected to the second bracket 112 by a method such as a fastener, a pin, etc.

[0048] See Fig. 6. In some embodiments, the first bracket 111 includes a surrounding wall 1113 connected to the inner wall 113 of the receiving cavity 11. The surrounding wall 1113 forms a receiving groove 1114. The receiving groove 1114 communicates with a plurality of first fixing components 1111.

[0049] In this way, the strength of the fixing of the battery cell 20 is improved.

[0050] Specifically, please refer to Fig. 6. In one embodiment, the first bracket 111 may have an enclosing wall 1113 around the battery cell 20 along the length of the body 21 of the battery cell 20, and the height of the enclosing wall 1113 is smaller than the length of the battery cell 20. Along the length of the body 21 of the battery cell 20, there are openings at the top and bottom ends, and the first fixing part 1111 of the first bracket 111 closes one of the openings. The enclosing wall 1113 and the first fixing part 1111 of the first bracket 111 surround each other to form an accommodating groove 1114, and the accommodating groove 1114 is enclosed within the accommodating cavity 11.

[0051] See Fig. 6. In some embodiments, a fixing gel is injected into the receiving groove 1114, and the fixing gel fixedly connects the battery cell 20 and the first bracket 11.

[0052] In this way, the safety of the battery cell 20 can be improved.

[0053] After the battery cell 20 is placed in the receiving groove 1114, the battery cell 20 blocks the first through hole 1112 of the first fixing part 1111, thereby sealing the other sides of the receiving groove 1114 except the top. At the top of the receiving groove 1114, while the opening is held facing upward, a fixing gel is injected into the receiving groove 1114. After the fixing gel solidifies, the first bracket 111 and the battery cell 20 can be placed in the receiving cavity 11 in an inclined or horizontal position. It will be understood that the fixing gel may have a certain degree of adhesive force, thereby reducing the degree of freedom of the battery cell 20 by several. It is also possible that the fixing gel does not have adhesive force, thereby reducing the degree of freedom of the battery cell 20 by only two. The combined use of the fixing gel and the first fixing part 1111 can further enhance the fixing strength and shock absorbing ability of the battery cell 20.

[0054] In some embodiments, the fixing gel may be a structural adhesive. The structural adhesive can withstand large loads. The impact resistance of the battery cell 20 can be enhanced by injecting the structural adhesive into the receiving groove 1114. When the housing 10 of the energy storage power source 100 is damaged and directly impacts the battery cell 20, the structural adhesive can withstand a part of the impact force while transmitting the impact force to the entire battery cell 20, thereby reducing the destruction of the impact. In addition, the structural adhesive has excellent corrosion resistance, and even if the electrolyte leaks from the battery cell 20 due to structural damage or the electrolyte erupts from the explosion-proof valve (not shown) of the battery cell 20 due to thermal runaway, the structural adhesive can prevent further leakage of the electrolyte and avoid corrosion of other battery cells 20 and other structural components.

[0055] See Figures 5 and 6. In some embodiments, the energy storage power supply 100 includes a busbar assembly 30. The busbar assembly 30 includes a first busbar 31 and a second busbar 32. The first busbar 31 is connected to the first poles 22 of the at least two battery cells 20. The second busbar 32 is connected to the second poles 23 of the at least two battery cells 20.

[0056] In this way, the battery cells 20 as a whole are advantageous in supplying power to an electrical appliance.

[0057] Specifically, see FIG. 5 and FIG. 6. In one embodiment, the energy storage power supply 100 can increase the diversity of output current through the busbar assembly 30. The first pole 22 of the battery cell 20 is connected to the first busbar 31 through the first through hole 1112. The second pole 23 of the battery cell 20 can be directly connected to the busbar. The first busbar 31 can connect some of the first poles 22 of the battery cells 20, and the second busbar 32 can connect some of the second poles 23 of the battery cells 20, so that the battery cells 20 can output power outwardly or input power inwardly in a parallel manner. The busbar assembly 30 can include a plurality of first busbars 31 and a plurality of second busbars 32, and the plurality of first busbars or the plurality of second busbars can output power outwardly or input power inwardly in a series or parallel manner. The busbar assembly 30 can be made of copper, aluminum, nickel, or an alloy material. After the busbar assembly 30 is fixed in place using a work jig, the busbar assembly 30 can be welded to the first pole 22 or the second pole 23 of the battery cell 20 by laser welding. It will be appreciated that the busbar assembly 30 can also be electrically connected to the poles of the battery cell 20 by other connection methods such as twisting or crimping. In another embodiment, the energy storage power source 100 further includes a second bracket 112, and the second pole 23 of the battery cell 20 can be connected to the second busbar 32 through a second through hole 1121.

[0058] In another embodiment, the energy storage power supply 100 can also collect status information of each battery cell 20 through the collection assembly 40. The status information of the battery cells 20 may include information such as the voltage, current, and temperature of each battery cell 20. The collection assembly 40 may include a first collection plate 41 and a second collection plate 42. The first collection plate 41 is connected to the first bus bar 31, and the second collection plate 42 is connected to the second bus bar 32. After the first bus bar 31 and the second bus bar 32 are welded, the first collection plate 41 may be fixed to a corresponding position on the first bus bar 31 through a screw, and the second collection plate 42 may be fixed to a corresponding position on the second bus bar 32 through a screw. After the collection assembly 40 is fixed, the nickel strip of the first collection plate 41 may be connected to the first bus bar 31 through an electrical connection method such as laser welding, thereby realizing the electrical connection between the first collection plate 41 and the first bus bar 31. At the same time, the second collection plate 42 can also be connected to the second bus bar 32 through the same method.

[0059] Please refer to Figures 5 to 8. In some embodiments, the energy storage power supply 100 includes a cover plate 50. An accommodating groove is provided on the outer wall 12 of the housing 10 corresponding to the first fixing part 1111. A first through hole 1112 penetrates the bottom wall of the accommodating groove 121, and a first bus bar 31 is located in the accommodating groove 121. A cover plate 50 is provided on the outer wall 12 of the housing 10 and covers the accommodating groove 121.

[0060] In this way, it is advantageous to reduce the volume of the product.

[0061] Specifically, please refer to FIG. 5 to FIG. 8. In one embodiment, the first housing 13 and the second housing 14 can be connected to each other by bolts and surrounded to form the receiving cavity 11. When the battery cell 20 is placed vertically in the receiving cavity 11 and the first fixing part 1111 is provided at the bottom of the receiving cavity 11, the receiving groove 121 is also placed at the bottom of the housing 10. The outer wall 12 at the bottom of the housing 10 is recessed inward to form the receiving groove 121, and the outer wall 12 is the bottom wall of the housing 10. The first pole 22 of the battery cell 20 penetrates the first fixing part 1111 through the first through hole 1112 and enters the receiving groove 121. The first bus bar 31 may also be connected to the first pole 22 in the receiving groove 121. In this way, the first pole 22 and the first bus bar 31 are integrated with the bottom of the housing 10, increasing the overall degree of integration and reducing the volume of the product. The cover plate 50 is provided to cover the receiving groove 121, thereby further improving the integrity of the housing 10 and protecting the first pole 22 and the first bus bar 31. The cover plate 50 is fixed onto the housing 10 by bolts, but can of course be fixed in other ways and is not limited thereto.

[0062] In the illustrated embodiment, the first bracket 111 and the first housing 13 are formed as a single unit.

[0063] In some embodiments, the cover plate 50 is connected to the housing 10 by an adhesive (not shown) in the receiving groove 121 and secured to the housing 10 by fasteners (not shown).

[0064] In this manner, the cover plate 50 can be secured in place.

[0065] Specifically, when fixing the cover plate 50, an adhesive is first injected into the accommodation groove 121, and then the cover plate 50 is placed thereon, and the cover plate 50 and the housing 10 are connected with the adhesive. Next, fasteners (e.g., screws) are attached and fixed. The adhesive has the effect of temporarily fixing the cover plate 50 to the housing 10, and the fixing effect of the fasteners to the cover plate 50 and the housing 10 can be ensured to a certain extent.

[0066] See Figures 5-8. In some embodiments, the energy storage power supply 100 includes a thermally conductive adhesive. The thermally conductive adhesive connects the cover plate 50 and the first bus bar.

[0067] In this manner, the temperature of the first bus bar 31 can be lowered.

[0068] Specifically, please refer to FIG. 5 to FIG. 8. In one embodiment, when a current flows through the first bus bar 31, a certain current loss occurs, generating heat. The collected heat increases the temperature of the first bus bar 31 and the battery cells 20, causing safety risks such as fire. Therefore, by filling the space between the first bus bar 31 and the cover plate 50 with a thermally conductive adhesive, the heat of the first bus bar 31 can be transferred to the cover plate 50, and the heat can be released to the surrounding environment through the cover plate 50, thereby providing a cooling effect for the first bus bar 31 and the battery cells 20. The cover plate 50 may be made of an aluminum material, and therefore has a relatively good heat transfer effect. In addition, a material with a good heat transfer effect, such as an aluminum material, can be used for the housing 10, which allows the heat from the cover plate 50 to be further transferred to the housing 10, thereby enhancing the cooling effect for the first bus bar 31 and the battery cells 20.

[0069] See Figures 5 and 6. In some embodiments, the energy storage power supply 100 further includes a sealing ring 60. The sealing ring 60 sealingly connects the cover plate 50 and the outer wall 12 of the housing 10.

[0070] In this way, the sealing effect of the receiving groove 121 can be improved.

[0071] Specifically, please refer to Figures 5 and 6. In one embodiment, an accommodating groove 121 is formed in the outer wall 12 of the housing 10. The busbar assembly 30 is accommodated in the accommodating groove 121. In a humid usage environment, if the sealing effect of the accommodating groove 121 is poor, water vapor will enter the accommodating groove 121, and the invaded water vapor will cause the first busbar 31 to rust or, in the worst case, cause a short circuit. Therefore, when the cover plate 50 covers the accommodating groove 121, a sealing ring 60 is provided between the cover plate 50 and the outer wall 12 of the housing 10 to further strengthen the sealing effect of the accommodating groove 121 and isolate the busbar assembly 30 in the accommodating groove 121 from external water vapor.

[0072] See Figures 5 and 6. In some embodiments, the housing 10 includes a first housing 13 and a second housing 14. The first housing 13 is removably connected to the second housing 14 to surround and form the receiving cavity 11. A first fixing component 1111 is provided on the first housing 13 or the second housing 14.

[0073] In this way, installation and repair are made easier.

[0074] Specifically, please refer to FIG. 5 and FIG. 6. In one embodiment, the housing 10 may include a first housing 13 located at an upper portion and a second housing 14 located at a lower portion, and the first fixing part 1111 may be provided on the first housing 13 or the second housing 14. In some embodiments, the first housing 13 and the second housing 14 may be located at the front and rear portions or the left and right portions of the housing 10, respectively, or disposed at two diagonal corners of the housing 10. The first fixing part 1111 is provided on one of the first housing 13 and the second housing 14. In another embodiment, the first housing 13 and the second housing 14 may be detachably connected to each other by a method such as a screw thread, a fastener, or a clamp. The first housing 13 and the second housing 14 form a surrounding receiving cavity 11 to receive the battery cell 20. This improves the ease of assembly and disassembly. In yet another embodiment, the energy storage power source 100 further includes a second bracket 112. The first fixed component 1111 and the second bracket 112 may be connected to one of the first housing 13 and the second housing 14, respectively.

[0075] See Figures 5 and 6. In some embodiments, the first stationary component 1111 and the first housing 13 are connected as a unitary structure, or the first stationary component 1111 and the second housing 14 are connected as a unitary structure.

[0076] In this way, the overall strength is improved.

[0077] Specifically, please refer to FIG. 5 and FIG. 6. In one embodiment, the first fixing part 1111 and the first housing 13 may be an integral structure, which improves the integrity of the first fixing part 1111 and the housing 10. When the energy storage power source 100 is transported, the housing 10 and the first fixing part 1111 with good integrity can reduce the shaking of the battery cells 20 relative to the housing 10, thereby reducing the collision and compression between the internal structures such as the battery cells 20, and ensuring the safety of use of the energy storage power source 100. Of course, the first fixing part 1111 can also be connected to the second housing 14 as an integral structure. In another embodiment, the energy storage power source 100 further includes a second bracket 112. The first fixing part 1111 and the second bracket 112 can be connected to one of the first housing 13 and the second housing 14 as an integral structure, respectively.

[0078] In yet another embodiment, the first stationary component 1111 and the first housing 13 can be manufactured as a unitary structure using an injection molding process, or the first stationary component 1111 and the second housing 14 can be manufactured as a unitary structure.

[0079] Also see Fig. 1. In one embodiment, the energy storage power source 100 may further include a panel 70 provided on the housing 10. The panel 70 can display information such as the current charge level and battery temperature of the energy storage power source 100. The panel 70 further includes a port for connecting the energy storage power source 100 to an electrical device or a charging device, thereby allowing the battery cells to supply power to the electrical device or receive power from the charging device.

[0080] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, combinations, modifications, substitutions, and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is limited only by the claims and their equivalents. [Explanation of symbols]

[0081] 100 Energy storage power source 10. Housing 11. Storage Cavity 111 First bracket 1111 First fixed part 1112 First through hole 1113 Enclosure 1114 Storage ditch 1115 Post 112 Second bracket 1121 Second through hole 113 Interior wall 12 Outer wall 121 Storage Groove 13 First Housing 14 Second Housing 20 Battery Cells 21 Main unit 22 First pole 23 Second pole 30 Busbar Assembly 31 First bus bar 32 Second bus bar 40 Collection Assembly 41 First Collection Board 42 Second Collection Board 50 Cover Plate 60 Sealing Ring Panel 70

Claims

1. In energy storage power sources, A housing, the housing having a receiving cavity therein, a plurality of first fixing components provided on an inner wall of the receiving cavity, and a first through hole provided on a bottom wall of the first fixing components; a plurality of battery cells, the plurality of battery cells and the plurality of first fixing parts correspond one-to-one to each other, the plurality of battery cells including a main body, a first pole and a second pole, the first pole and the second pole being respectively provided at both ends in a longitudinal direction of the main body, one end of the main body being accommodated in the first fixing part, and the first pole communicating with the outside of the accommodating cavity through the first through hole; a first bus bar provided outside the receiving cavity and connected to the first poles of the at least two battery cells; a second bracket located within the receiving cavity, connected to an inner wall of the receiving cavity, and provided with a plurality of second fixing components, a bottom wall of the second fixing components being provided with a second through hole, the plurality of battery cells and the plurality of second fixing components being in one-to-one correspondence, and the other end of the main body being accommodated in the second fixing components; an accommodating groove is provided on an outer wall of the housing corresponding to the first fixed component, the first through hole penetrates a bottom wall of the accommodating groove, the first bus bar is located in the accommodating groove, and a cover plate is provided on the outer wall of the housing and covers the accommodating groove.

2. 2. The energy storage power source according to claim 1, wherein a first bracket is provided on an inner wall of the receiving cavity, and the first bracket is provided with the plurality of first fixing components.

3. The energy storage power source of claim 2 , wherein the first bracket includes a plurality of posts, the posts being fixedly connected to the second bracket.

4. 3. The energy storage power supply according to claim 2, wherein the first bracket includes an enclosure wall connected to an inner wall of the accommodating cavity, the enclosure wall defines an accommodating groove, and the accommodating groove communicates with the plurality of first fixed components.

5. 5. The energy storage power supply according to claim 4, wherein a fixing gel is injected into the receiving groove, and the fixing gel fixedly connects the battery cell and the first bracket.

6. The energy storage power source according to any one of claims 2 to 5, wherein the first bracket and the housing are formed as an integrally molded structure.

7. The energy storage power source includes:

10. The energy storage power source of claim 1, further comprising a second bus bar connected to second poles of the at least two battery cells.

8. 2. The energy storage power source of claim 1, wherein the cover plate is connected to the housing by an adhesive in the receiving groove or is fixed to the housing by a fastener.

9. The energy storage power source of claim 1 , wherein the energy storage power source includes a thermally conductive adhesive, the thermally conductive adhesive connecting the cover plate and the first bus bar.

10. The energy stored power supply of claim 1 , further comprising a sealing ring, said sealing ring sealingly connecting said cover plate and an outer wall of said housing.

11. 2. The energy storage power source of claim 1, wherein the housing includes a first housing and a second housing, the first housing removably connected to the second housing to enclose and define the receiving cavity, and the first fixed component is provided on the first housing or the second housing.

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