Portable power battery module and its heat dissipation structure

Abstract

The present application provides a portable power battery module and its heat dissipation structure, which are applied to the portable power battery module, the portable power battery module includes a plurality of batteries, and the heat dissipation structure includes: a heat dissipation shell, including a sealing plate arranged on two opposite sides; a plurality of parallel heat dissipation ribs are arranged in the heat dissipation shell, and a plurality of accommodating cavities with shapes matching the batteries and used to accommodate the batteries are formed in the heat dissipation shell by separating and arranging the heat dissipation ribs, and the sealing plate is located at the openings on both sides of the accommodating cavity to achieve the closure of the accommodating cavity; and a heat sink group, which is arranged on one side of the heat dissipation shell and includes a plurality of heat dissipation fins; wherein the heat sink group and the heat dissipation shell are integrally formed. The portable power battery module and its heat dissipation structure of the present application can quickly extract the heat generated by the battery, greatly improve the heat dissipation level of the power battery module, and then indirectly reduce the volume of the module, so as to realize the portability and detachability of the power battery module.

Description

Technical Field

[0001] The present application relates to the field of power storage devices, and in particular to a portable power battery module and a heat dissipation structure thereof. Background Art

[0002] New energy equipment is the trend of future development, especially electric energy equipment, whose low pollution emissions have become the key development direction of subsequent new energy development.

[0003] Existing electric energy equipment uses power battery modules as power storage devices and supplies power to electrical appliances in the electric energy equipment. Due to its high heat dissipation requirements, power battery modules need to be installed with corresponding heat dissipation structures, but the existing heat dissipation solutions make the modules larger in size and more complex in structure, and users cannot disassemble them privately. Summary of the invention

[0004] The present application provides a portable power battery module and a heat dissipation structure thereof, which can improve the heat dissipation performance of the power battery module, thereby reducing the volume of the module to achieve portability and detachability.

[0005] The embodiment of the present application provides a heat dissipation structure of a portable power battery module, which is applied to a portable power battery module. The portable power battery module includes a plurality of batteries. The heat dissipation structure includes:

[0006] The heat dissipation housing includes sealing plates arranged on two opposite sides;

[0007] The heat dissipation housing is provided with a plurality of heat dissipation ribs arranged in parallel, and the heat dissipation ribs are used to separate and form a plurality of accommodating cavities in the heat dissipation housing, each of which is shaped to match the battery and is used to accommodate the battery. The sealing plate is located at the openings on both sides of the accommodating cavity to seal the accommodating cavity; and

[0008] A heat sink group, arranged on one side of the heat dissipation housing, comprising a plurality of heat dissipation fins;

[0009] Wherein, the heat sink group and the heat dissipation housing are integrally formed.

[0010] Optionally, two opposite sides of the heat dissipation ribs are in contact with or connected to the inner surface of the heat dissipation housing.

[0011] Optionally, the heat dissipation ribs are integrally formed with the heat dissipation shell.

[0012] Optionally, the heat dissipation housing includes a first housing and a second housing that are matched and connected;

[0013] The heat dissipation ribs include a first heat dissipation rib and a second heat dissipation rib that are matched and connected;

[0014] The first heat dissipation ribs are connected to the inner surface of the first shell, and the second heat dissipation ribs are connected to the inner surface of the second shell.

[0015] Optionally, the first shell and the second shell, and the first heat dissipation ribs and the second heat dissipation ribs are connected by plugging.

[0016] Optionally, the first heat dissipation rib is provided with a groove with a "V"-shaped cross section at the connection with the second heat dissipation rib, and the second heat dissipation rib is provided with a "V"-shaped ridge matching with the groove at the connection with the first heat dissipation rib; or

[0017] The second heat dissipation rib is provided with a slot with a "V"-shaped cross section at the connection with the first heat dissipation rib, and the first heat dissipation rib is provided with a ridge with a "V"-shaped cross section that cooperates with the slot to achieve plug-in at the connection with the first heat dissipation rib.

[0018] Optionally, the first shell is provided with a joint portion at an edge, and the second shell is provided with an edge wrapping at an edge, and the joint portion is inserted into the inner side of the edge wrapping and forms an interference fit with the edge wrapping; or

[0019] The second shell is provided with a joint portion at the edge, and the first shell is provided with an edge package at the edge. The joint portion is inserted into the inner side of the edge package and forms an interference fit with the edge package.

[0020] Optionally, an “L”-shaped positioning structure is extended outwardly from one side of the joint portion from the first shell, and the edge of the hemming is embedded in a positioning groove formed by the positioning structure and the joint portion.

[0021] The present application also provides a portable power battery module, including:

[0022] Heat dissipation structure;

[0023] a plurality of batteries housed in the heat dissipation structure; and

[0024] A plurality of charging and discharging interfaces provided on one side of the heat dissipation structure, the charging and discharging interfaces being electrically connected to the battery;

[0025] Wherein, the heat dissipation structure is the heat dissipation structure as described in any one of the above items.

[0026] Optionally, a carrying handle is provided on one side of the heat dissipation structure.

[0027] As can be seen from the above, the heat dissipation structure of the power battery module in the embodiment of the present application separates and conducts heat through the heat dissipation ribs of the heat dissipation shell, and cooperates with the heat sink group to achieve integrated heat dissipation, which can quickly conduct the heat generated by the battery, greatly improve the heat dissipation level of the power battery module, and indirectly reduce the volume of the module to achieve the portability and detachability of the power battery module. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A schematic cross-sectional view of the heat dissipation structure of a portable power battery module provided in an embodiment of the present application.

[0029] Figure 2 Another cross-sectional structural schematic diagram of the heat dissipation structure of the portable power battery module provided in an embodiment of the present application.

[0030] Figure 3 A schematic diagram of the structure of a portable power battery module provided in an embodiment of the present application.

[0031] Figure 4 Another structural schematic diagram of the portable power battery module provided in an embodiment of the present application. DETAILED DESCRIPTION

[0032] The preferred embodiments of the present application are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present application can be more easily understood by those skilled in the art, thereby making a clearer definition of the protection scope of the present application.

[0033] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", "head", "tail", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0034] See also Figure 1-2 , Figure 1-2 Detailed description of the cross-sectional structure of the heat dissipation structure of the portable power battery module provided in the embodiment of the present application is shown in FIG.

[0035] like Figure 1-2 As shown, the heat dissipation structure of the portable power battery module is applied to the portable power battery module. The portable power battery module includes a plurality of batteries 20. The heat dissipation structure includes:

[0036] The heat dissipation housing 10 includes sealing plates 13 disposed on two opposite sides.

[0037] The heat dissipation housing 10 is provided with a plurality of parallel heat dissipation ribs 110, and the heat dissipation housing 10 is separated by the heat dissipation ribs 110 to form a plurality of accommodating cavities with shapes matching the battery 20 and used to accommodate the battery 20. The sealing plate 13 is located at the openings on both sides of the accommodating cavity to achieve sealing of the accommodating cavity.

[0038] The heat dissipation housing 10 may be a housing made of aluminum, iron or other alloy materials, and is used to dissipate the heat generated by the battery 20. The heat dissipation ribs 110 may be a plate-like structure, and are attached to the surface of the battery 20 when assembled with the battery 20. The battery 20 is disposed between every two heat dissipation ribs 110, and heat can be dissipated through the heat dissipation ribs 110 on both sides at the same time.

[0039] In some embodiments, the two opposite sides of the heat dissipation rib 110 are in contact or connected with the inner surface of the heat dissipation housing 10 to achieve heat conduction. Furthermore, the heat dissipation rib 110 can also be integrally formed with the heat dissipation housing 10, thereby improving the heat conduction efficiency between the heat dissipation rib 110 and the heat dissipation housing 10.

[0040] Please combine Figure 3 The sealing plate 13 not only seals the accommodating cavity so that different batteries 20 are placed independently of each other to avoid mutual influence of heat between the two batteries 20, but also fits the surface of the battery 20 and cooperates with other parts of the heat dissipation shell 10 to make the area fitted with the battery 20 larger, thereby improving the heat dissipation efficiency of the battery 20.

[0041] In some embodiments, the sealing plate 13 can be fixed to each heat dissipation rib 110 via a fastener 131 , so as to strengthen the strength of the heat dissipation rib 110 through the sealing plate 13 , so that the heat dissipation rib 110 is not easily deformed.

[0042] It can be understood that the present application does not limit the shape of the accommodating cavity, and it only needs to match the battery 20 so that the heat dissipation ribs 110 can fit the battery 20 as closely as possible.

[0043] The heat sink assembly 2 is disposed on one side of the heat sink housing 10 and includes a plurality of heat sink fins 21 .

[0044] Specifically, the heat sink group 2 may extend a plurality of heat sink fins 21 from one side of the heat sink housing 10 and be integrally formed with the heat sink housing 10. In some embodiments, the heat sink group 2 may be made of the same material as the heat sink housing 10 to enhance the heat conduction efficiency between the heat sink group 2 and the heat sink housing 10. The heat sink group 2 may be located on one side of the top of the heat sink housing 10 to avoid deformation due to collision.

[0045] In some embodiments, a protective structure 22 for protecting the heat dissipation fins 21 and preventing the heat dissipation fins 21 from being deformed can be added on both sides of the heat dissipation fins 21 of the heat dissipation fin group 2. The protective structure 22 extends from the side of the heat dissipation fin group 2 and bends inward. In the cross section of the protective structure 22, the width of one end of the connection between the protective structure 22 and the heat dissipation housing 10 is greater than the width of the other end of the protective structure 22, so as to strengthen the structural strength, so that the protective structure 22 is not easily deformed by collision, and the probability of deformation of the multiple heat dissipation fins 21 between the protective structures 22 on both sides after collision is reduced.

[0046] In order to improve the assembly or maintenance efficiency of portable power battery modules, such as Figure 1 As shown, in some embodiments, the heat dissipation shell 10 includes a first shell 11 and a second shell 12 that are matched and connected; the heat dissipation ribs 110 include a first heat dissipation rib 111 and a second heat dissipation rib 121 that are matched and connected; wherein the first heat dissipation rib 111 is connected to the inner surface of the first shell 11, and the second heat dissipation rib 121 is connected to the inner surface of the second shell 12.

[0047] When assembly or disassembly is required, the first housing 11 and the second housing 12 can be joined or disassembled, and the internal battery 20 can be installed or removed. During the installation process, the battery 20 can be installed and positioned through the first heat dissipation ribs 111 or the second heat dissipation ribs 121, so as to be accurately placed in the heat dissipation module composed of the first housing 11 and the second housing 12, thereby improving assembly efficiency.

[0048] In some embodiments, the first housing 11 and the second housing 12, and the first heat dissipation ribs 111 and the second heat dissipation ribs 121 are connected by plugging. The plugging part can play the role of installation positioning and foolproofing, thereby improving the efficiency of assembly or disassembly.

[0049] Furthermore, the first heat dissipation rib 111 is provided with a groove 111' with a "V"-shaped cross section at the connection with the second heat dissipation rib 121, and the second heat dissipation rib 121 is provided with a "V"-shaped ridge 121' that cooperates with the groove 111' at the connection with the first heat dissipation rib 111; or the second heat dissipation rib 121 is provided with a groove 111' with a "V"-shaped cross section at the connection with the first heat dissipation rib 111, and the first heat dissipation rib 111 is provided with a ridge 121' with a "V"-shaped cross section that cooperates with the groove 111' to achieve plug-in at the connection with the first heat dissipation rib 111.

[0050] It can be understood that the location and specific shape of the slot 111 ′ and the ridge 121 ′ can be determined according to actual conditions, and the present application does not limit them.

[0051] In some embodiments, the first shell 11 is provided with a joint portion 112 at the edge, and the second shell 12 is provided with an edging 122 at the edge, the joint portion 112 is inserted into the inner side of the edging 122, and forms an interference fit with the edging 122; or the second shell 12 is provided with a joint portion 112 at the edge, and the first shell 11 is provided with an edging 122 at the edge, the joint portion 112 is inserted into the inner side of the edging 122, and forms an interference fit with the edging 122.

[0052] Specifically, the inner side of the edge 122 has a concave structure, so that the joint portion 112 of the other shell is embedded in the concave structure to form an interference fit. The above connection means can further improve the assembly efficiency between the first shell 11 and the second shell 12, making the assembly or disassembly of the heat dissipation shell 10 more convenient.

[0053] In one solution, the first shell 11 extends an L-shaped positioning structure 113 outward from one side of the joint 112, and the edge of the hemming 122 is embedded in the positioning groove formed by the positioning structure 113 and the joint 112. The positioning structure 113 plays a positioning role to prevent the first shell 11 and the second shell 12 from moving, and has the function of strengthening the structure.

[0054] The heat dissipation structure of the portable power battery module separates and conducts heat from the battery 20 through the heat dissipation ribs 110 of the heat dissipation shell 10, and cooperates with the heat sink group 2 to achieve integrated heat dissipation. The heat generated by the battery 20 can be quickly discharged, greatly improving the heat dissipation level of the power battery module, and indirectly reducing the module volume to achieve portability and detachability of the power battery module.

[0055] Please refer to Figure 3 In addition to the battery 20 and the heat dissipation structure, the portable power battery module in the figure also includes a plurality of charge and discharge interfaces 30 arranged on one side of the heat dissipation structure, and the charge and discharge interfaces 30 are electrically connected to the battery 20.

[0056] In some embodiments, the charge and discharge interface 30 may include a groove and a metal contact disposed in the groove, and the electrical appliance may be provided with a protruding conductive structure to contact the metal contact to achieve electrical connection.

[0057] It is understandable that, in addition to the metal contacts, metal springs, ejector pins and other structures may also be used to achieve the effect of the charge and discharge interface 30 .

[0058] Combination Figure 4 In order to further improve portability, the portable power battery module further includes a carrying handle 40 disposed on one side of the heat dissipation structure. The carrying handle 40 can facilitate the user to lift the battery module, thereby facilitating the carrying of the battery module.

[0059] In some application scenarios, compared with existing power battery modules, the heat dissipation efficiency of the heat dissipation structure in the present application is higher, and a charging and discharging interface is designed on the heat dissipation structure. Therefore, the volume of the portable power battery module is greatly reduced compared with the existing power battery module, so that the user can easily remove the depleted portable power battery module from the power equipment and replace it with another fully charged module, thereby realizing the portability and detachability of the power battery module.

[0060] The implementation modes of the present application are described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above implementation modes, and various changes can be made within the knowledge scope of ordinary technicians in the field without departing from the purpose of the present application.

Claims

1. A heat dissipation structure of a portable power battery module, applied to a portable power battery module, wherein the portable power battery module comprises a plurality of batteries, characterized in that: The heat dissipation structure comprises: The heat dissipation housing includes sealing plates arranged on two opposite sides; The heat dissipation housing is provided with a plurality of heat dissipation ribs arranged in parallel, and the heat dissipation housing is divided and arranged by the heat dissipation ribs to form a plurality of accommodating cavities with shapes matching the batteries and used to accommodate the batteries, and the sealing plates are located at the openings on both sides of the accommodating cavities to achieve sealing of the accommodating cavities; and a heat dissipation fin group is arranged on one side of the heat dissipation housing, including a plurality of heat dissipation fins; Wherein, the heat sink group and the heat dissipation housing are integrally formed; The two opposite sides of the heat dissipation rib are in contact with or connected to the inner surface of the heat dissipation housing; The heat dissipation housing includes a first housing and a second housing that are matched and connected; the heat dissipation ribs include a first heat dissipation rib and a second heat dissipation rib that are matched and connected; wherein the first heat dissipation rib is connected to the inner surface of the first housing, and the second heat dissipation rib is connected to the inner surface of the second housing; The first shell and the second shell, and the first heat dissipation rib and the second heat dissipation rib are connected by plugging; the first heat dissipation rib is provided with a slot with a "V"-shaped cross section at the connection with the second heat dissipation rib, and the second heat dissipation rib is provided with a "V"-shaped ridge matched with the slot at the connection with the first heat dissipation rib; or the second heat dissipation rib is provided with a slot with a "V"-shaped cross section at the connection with the first heat dissipation rib, and the first heat dissipation rib is provided with a ridge with a "V"-shaped cross section matched with the slot for plugging at the connection with the second heat dissipation rib; The first shell is provided with a joint portion at the edge, and the second shell is provided with an edge at the edge, and the joint portion is inserted into the inner side of the edge and forms an interference fit with the edge; The first shell extends an "L"-shaped positioning structure outward from one side of the joint portion, and the edge of the hemming is embedded in a positioning groove formed by the positioning structure and the joint portion; Protection structures for protecting the heat sink fins and preventing the heat sink fins from being deformed are arranged on both sides of the heat sink group. The protection structures extend from the sides of the heat sink group and bend inwards.

2. The heat dissipation structure of the portable power battery module according to claim 1, characterized in that: The heat dissipation ribs are integrally formed with the heat dissipation housing.

3. A portable power battery module, characterized in that: include: Heat dissipation structure; A plurality of batteries housed in the heat dissipation structure; and a plurality of charging and discharging interfaces provided on one side of the heat dissipation structure, wherein the charging and discharging interfaces are electrically connected to the battery; Wherein, the heat dissipation structure is the heat dissipation structure described in any one of claims 1-2.

4. The portable power battery module according to claim 3, characterized in that: It also includes a carrying handle arranged on one side of the heat dissipation structure.

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