TWM620005U - Battery conductive frame - Google Patents

Abstract

The battery conductive frame of this creation includes a conductive plate and a plurality of conductive handles; the conductive handle includes at least one handle and a fixed portion. The handle of the conductive handle protrudes from the conductive plate, and the fixed portion is covered In the body, the handle of each conductive handle is welded or contacted with a corresponding battery core in a battery module; furthermore, the melting point of the conductive plate is lower than the melting point of the conductive handle, and the conductive handle is made by a sintering method. The fixing part is made in the main body of the conductive plate; in this way, the battery conductive frame of this invention can be easily manufactured by sintering, and the welding part between the conductive handle of the battery conductive frame and the battery core is not easy to loosen.

Description

Battery conductive frame

This model relates to a battery conductive frame, especially a battery conductive frame applied to a battery module.

In recent years, with the demand for environmental protection and carbon reduction, electric vehicles have gradually been favored by people. Therefore, many car manufacturers have successively entered the development of electric vehicles in order to seize business opportunities in the electric vehicle market.

The power source of electric vehicles is batteries. In order to increase the endurance of the electric vehicle, a battery module with a considerable number of battery cells is usually installed on the electric vehicle. In a battery module, these considerable numbers of battery cells will be connected in series or in parallel. Further, the battery module includes a battery conductive frame, and the battery conductive frame includes a plurality of conductive handles. Each battery cell will be welded with a corresponding conductive handle in the conductive frame, so that each battery cell can be connected through the conductive handle of the battery conductive frame.

Here, this creation will propose a battery conductive frame with an innovative structure, which is not only easy to manufacture, and when the battery conductive frame is applied to the battery module, the welded part between the conductive handle of the battery conductive frame and the battery core is not easy to loosen , Will be the purpose of this creation.

One purpose of this creation is to propose a battery conductive rack applied to battery modules, which includes a conductive plate and a plurality of conductive handles. The conductive handle includes at least one handle and a fixed portion. The fixing part is made in the body of the conductive plate, and the handle of the conductive handle protrudes from the conductive Outside the board, the handle of each conductive handle protruding from the conductive board is welded or contacted with one of the corresponding battery cores in a battery module; in this way, the battery conductive frame of this invention can be easily fabricated by sintering The ground was made.

Another purpose of this creation is to propose a battery conductive rack applied to battery modules. The conductive handle of the battery conductive rack is a conductive sheet with high mechanical strength, and the handle of each conductive handle is provided with multiple welding points. It is welded with the battery core of the corresponding battery module through a plurality of welding points, so that the welding part of the conductive handle and the battery core is not easy to loosen.

Another purpose of this creation is to propose a battery conductive frame applied to the battery module. The conductive plate of the battery conductive frame is formed by a thick metal plate with low resistance and high conductivity, so as to reduce the electrical connection of the battery core. Ohmic loss. In addition, the high conductivity of the conductive plate means high thermal conductivity. When the battery module applied to the battery conductive frame is overheated, the heat generated by the battery module can be quickly spread on the conductive plate to improve the use of the battery module Security.

In order to achieve the above-mentioned purpose, the present invention provides a battery conductive rack, which includes: a conductive plate; and a plurality of conductive handles, including at least one handle and a fixed portion. The handle of the conductive handle protrudes from the body of the conductive plate, The fixing part is covered in the main body of the conductive plate; wherein the melting point of the conductive plate is lower than the melting point of the conductive handle, and the fixing part of the conductive handle is made in the main body of the conductive plate in a sintering manner.

In one embodiment of the invention, copper is used as the manufacturing material for the conductive plate, and nickel is used as the manufacturing material for the conductive handle.

In an embodiment of the invention, the conductive plate includes a plurality of openings, and the handle of each conductive handle is disposed in the corresponding opening and protrudes out of the conductive plate through the corresponding opening.

In an embodiment of the invention, the handle of the conductive handle is provided with at least one welding point, and the conductive handle is welded or contacted with the electrode end of the battery core through the welding point on the handle.

In an embodiment of the present invention, the fixing part of the conductive handle includes an extension part and a tail end. The extension part is arranged obliquely between the handle and the tail end, and the tail end is connected to the handle through the extension part.

In an embodiment of the invention, the conductive handle further includes a connecting portion, and the tail end of the conductive handle is connected to the tail end of another adjacent conductive handle through the connecting portion.

In an embodiment of the present invention, part of the extension portion will protrude from the body of the conductive plate and be connected to the handle located outside the body of the conductive plate.

In an embodiment of the invention, the conductive handle includes two handles, and each handle includes two welding points.

In an embodiment of the invention, the conductive plate is a thick metal plate with low resistance and high conductivity, and the conductive handle is a conductive sheet with high mechanical strength.

In an embodiment of the present invention, the battery conductive frame is applied to a battery module, the battery module includes a plurality of battery cells, and the handle of each conductive handle is welded or contacted with a corresponding battery cell in the battery module.

In order to make the above and other purposes, features and advantages of this creation more obvious and understandable, with the attached illustrations, the detailed description is as follows.

100: Battery conductive frame

10: Conductive plate

11: opening

20: Conductive handle

21: handle

211: Welding point

23: Fixed part

231: Extension

233: tail end

25: Connection part

300: battery module

31: battery cell

Figure 1 is the first perspective view of the creative battery conductive frame.

Figure 2 is a second perspective view of the creative battery conductive frame.

Figure 3 is a three-dimensional view of the creative conductive handle.

Figure 4 is a side cross-sectional view of part of the structure of the creative battery conductive frame.

Figure 5 is a cross-sectional schematic diagram of the application of the creative battery conductive frame to the battery module.

In order to fully understand the purpose, features and effects of the present invention, a detailed description of the present invention will be given with the following specific embodiments and accompanying drawings. The description is as follows.

Please refer to Figures 1 to 4 at the same time, which are the first perspective three-dimensional view of the creative battery conductive frame, the second perspective three-dimensional view of the creative battery conductive frame, the three-dimensional view of the creative conductive handle and the partial structural cross-sectional view of the creative battery conductive frame. . As shown in FIGS. 1 to 4, the battery conductive frame 100 of the present invention includes a conductive plate 10 and a plurality of conductive handles 20. Each conductive handle 20 is positioned in the conductive plate 10. The conductive handle 20 includes at least one handle 21 and a fixing portion 23. The fixing part 23 is connected to the handle 21. The fixing portion 23 of the conductive handle 20 will be wrapped in the body of the conductive plate 10, and the handle 21 of the conductive handle 20 will protrude from the body of the conductive plate 10. The battery conductive frame 100 is applied to a battery module, and the handle 21 of the conductive handle 20 protruding from the body of the conductive plate 10 is used to weld or contact the battery cell of the battery module, so that the battery of the battery module can be electrically connected core.

Further, the fixing portion 23 is connected to a plurality of handle portions 21, for example, the number of the handle portions 21 is two, but this creation is not limited thereto. Each handle 21 is provided with a plurality of welding points 211, for example, the number of welding points 211 of each handle 21 is two, but this creation is not limited by this. Each conductive handle 20 is welded or contacted with the battery core of the corresponding battery module through the welding point 211, so that the battery conductive frame 100 and the battery module are electrically connected together. The conductive handle 20 is a conductive sheet with high mechanical strength (such as a nickel sheet), and each conductive handle 20 is welded to the battery core of the corresponding battery module through a plurality of welding points 211, so that the conductive handle 20 is welded to the battery core. Part is not easy to loosen.

In addition, in this creation, the conductive plate 10 is formed by a thick metal plate with low resistance and high conductivity in order to reduce the ohmic loss of the battery cell that it is electrically connected to; furthermore, the high electrical conductivity of the conductive plate 10 means high thermal conductivity. Therefore, when the battery module applied to the battery conductive frame 100 is overheated, the heat generated by the battery module can be quickly spread on the conductive plate 10, so as to improve the safety of the battery module in use.

The fixing portion 23 of the conductive handle 20 of the present invention includes an extension portion 231 and a tail end portion 233. In an embodiment of the invention, the handle 21 and the tail end 233 are arranged in parallel, the extension 231 is arranged obliquely between the handle 21 and the tail 233, and the tail end 233 is connected to the handle 21 through the extension 231 extending to the handle 21 Handle 21. In addition, in a preferred embodiment of the present invention, part of the extension 231 will protrude from the body of the conductive plate 10 and be connected to the handle 21 located outside the body of the conductive plate 10.

In addition, each conductive handle 20 further includes a connecting portion 25, and the tail end 233 of each conductive handle 20 is connected to the tail end 233 of another adjacent conductive handle 20 through the connecting portion 25 so as to make a certain direction ( For example, the plurality of conductive handles 20 in the column direction or the row direction are connected to each other, so that the plurality of corresponding battery cells that are electrically connected to the plurality of conductive handles 20 can be connected in series or in parallel.

In an embodiment of the invention, the conductive plate 10 includes a plurality of openings 11, and the handle 21 of each conductive handle 20 is disposed in the corresponding opening 11 and protrudes out of the conductive plate 10 through the corresponding opening 11. In this embodiment, the shape of the openings 11 can also be square and arranged in an array with each other. However, the present invention does not limit the shape and arrangement of the openings 11. Of course, in another embodiment of the present creation, the conductive plate 10 of the present creation can also be a double-sided flat plate body without openings 11, and each conductive handle 20 can also be positioned on one of the conductive plates 10 through the fixing portion 23, respectively. The handle 21 protrudes from the main body of the conductive plate 10 at a corresponding specific position on the surface (such as the upper surface).

In this creation, the melting point of the conductive plate 10 is lower than the melting point of the conductive handle 20. For example, the conductive plate 10 is made of copper with a melting point of 1085 degrees, and the conductive handle 20 is made of nickel with a melting point of 1455 degrees. Materials. In this creation, the battery conductive frame 100 uses a sintering process to fabricate the fixing portion 23 of the conductive handle 20 in the body of the conductive plate 10. During the sintering process, the molded conductive handle 20 is placed on the In the mold, then, the copper metal powder is sprayed on the fixed portion 23 of each conductive handle 20, and then an appropriate sintering temperature is applied to the copper metal powder sprinkled on the fixed portion 23 of the conductive handle 20 ( Such as 820~850 degrees) and/or a suitable pressing force, so that the metal powder of copper can be tightly coalesced on the periphery of the fixed portion 23 of the conductive handle 20 to form the conductive plate 10, where the conductive handle 20 The fixing portion 23 can be covered in the body of the conductive plate 10.

Please refer to Figure 5, a cross-sectional schematic diagram of the application of the battery conductive frame to the battery module of this creative, and refer to Figures 1~4 in conjunction. In the process of assembling the battery conductive frame 100 in the battery module 300, firstly, each conductive handle 20 of the battery conductive frame 100 is located on the top of each corresponding battery cell 31 in the battery module 300; The welding point 211 on the handle 21 of the conductive handle 20 is welded to the top electrode terminal of each corresponding battery cell 31; of course, the bottom electrode terminal of each battery cell 31 in the battery module 300 can be conductive with another battery The welding points 211 on the handle 21 of each corresponding conductive handle 20 of the rack 100 are welded (not shown), so that the two battery conductive racks 100 are electrically connected to the top and bottom of the battery cell 31 of the battery module 300 The electrode ends are used to form a circuit loop between the two battery conductive frames 100 and the battery module 300.

In summary, this creation uses a sintering method to make the battery conductive frame 100. The battery conductive frame 100 is easy to manufacture, and has the characteristics of better mechanical strength, low resistance, high electrical conductivity and high thermal conductivity. When the battery conductive frame 100 is used in The battery module 300 can not only improve the stability of the welding part between the conductive handle 20 of the battery conductive frame 100 and the battery cell 31 of the battery module 300, but also the battery conductive frame 100 It can provide high thermal conductivity of the battery module 300 in an overheated state, so as to increase the safety of the battery module 300 in use.

The present invention has been disclosed in preferred embodiments above. However, those familiar with the art should understand that the above-mentioned embodiments are only used to describe the present invention and should not be interpreted as limiting the scope of the present invention. It should be noted that all changes and substitutions equivalent to the foregoing embodiments should be included in the scope of the present invention.

100: battery frame of sandwich architecture

10: Conductive plate

11: opening

20: Conductive handle

Claims (10)

A battery conductive frame, comprising: a conductive plate; and a plurality of conductive handles, including at least one handle and a fixing part, the handle of the conductive handle protrudes out of the body of the conductive plate, and the fixing part is covered Covered in the body of the conductive plate; wherein the melting point of the conductive plate is lower than the melting point of the conductive handle, and the fixing portion of the conductive handle is made in the body of the conductive plate in a sintering manner. The battery conductive frame according to claim 1, wherein the conductive plate is made of copper, and the conductive handle is made of nickel. The battery conductive frame according to claim 1, wherein the conductive plate includes a plurality of openings, and the handle of each conductive handle is disposed in the corresponding opening and protrudes from the conductive plate through the corresponding opening outside. The battery conductive frame according to claim 1, wherein the handle of the conductive handle is provided with at least one welding point, and the conductive handle is welded or contacted with an electrode end of a battery cell through the welding point on the handle. The battery conductive frame according to claim 1, wherein the fixed portion of the conductive handle includes an extension portion and a tail end portion, the extension portion is disposed obliquely between the handle portion and the tail end portion, and the tail end portion penetrates The extension is connected to the handle. The battery conductive frame according to claim 5, wherein the conductive handle further includes a connecting portion, and the tail end of the conductive handle is connected to the tail end of another adjacent conductive handle through the connecting portion. According to the battery conductive frame of claim 5, a part of the extension portion will protrude from the body of the conductive plate and be connected to the handle located outside the body of the conductive plate. The battery conductive frame according to claim 4, wherein the conductive handle includes two handles, and each handle includes two welding points. The battery conductive frame according to claim 1, wherein the conductive plate is a thick metal plate with low resistance and high conductivity, and the conductive handle is a conductive sheet with high mechanical strength. The battery conductive frame according to claim 1, wherein the battery conductive frame is applied to a battery module, the battery module includes a plurality of battery cells, the handle of each conductive handle and the battery module The one corresponding to the battery core is welded or contacted.

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