CN209786058U - Battery pack, electric equipment and movable platform - Google Patents
Battery pack, electric equipment and movable platform Download PDFInfo
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- CN209786058U CN209786058U CN201921093279.7U CN201921093279U CN209786058U CN 209786058 U CN209786058 U CN 209786058U CN 201921093279 U CN201921093279 U CN 201921093279U CN 209786058 U CN209786058 U CN 209786058U
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- circuit board
- connecting piece
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- negative
- terminal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
the utility model provides a battery pack, consumer and movable platform, wherein, battery pack includes: the circuit board is provided with an opening; the connecting piece is arranged on one side of the circuit board, at least one part of the connecting piece is bent to divide the connecting piece into a first connecting part and a second connecting part, the first connecting part is connected with the circuit board, and the second connecting part is arranged to protrude out of the circuit board; the battery cell group is arranged on the other side of the circuit board and connected with the circuit board, and is provided with a positive terminal and a negative terminal which respectively penetrate through the open holes to be electrically connected with the second connecting part. The utility model discloses set up the connecting piece at the circuit board, and the second connecting portion protrusion circuit board setting of connecting piece, positive terminal and negative terminal weld in the second connecting portion, avoid welding process to cause the harm to the electric core group, improve battery pack's production efficiency and guarantee the uniformity, promote battery pack's parameter performance.
Description
Technical Field
The utility model relates to a battery technology field particularly, relates to a battery pack, consumer and movable platform.
Background
Traditional unmanned aerial vehicle, car and other products's battery pack, the connected mode of its positive negative pole power line and electric core has through soldering tin and beat the screw and directly fix positive negative pole power line on electric core two kinds of modes, and above two kinds of modes can all produce the damage of different degrees to electric core. Specifically, a large amount of heat is generated by adopting a welding mode, and the heat is transmitted to the battery cell through the positive and negative terminals and the tabs, so that the battery cell is damaged and the service life of the battery assembly is influenced; the internal resistance of the contact part is increased by adopting a screw fixing mode, and the performance parameters of the battery pack are influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least.
Therefore, the utility model discloses the first aspect provides a battery pack.
The utility model discloses the second aspect provides an electric equipment.
The utility model discloses the third aspect provides a movable platform.
In view of this, the utility model discloses a first aspect provides a battery pack, includes: the circuit board is provided with an opening; the connecting piece is provided with at least one bent part so as to divide the connecting piece into a first connecting part and a second connecting part, the first connecting part is connected with the circuit board, and the second connecting part is arranged to protrude out of the circuit board; the battery pack is arranged on the other side of the circuit board and connected with the circuit board, the battery pack is provided with a positive terminal and a negative terminal, the positive terminal and the negative terminal respectively penetrate through the opening and are respectively connected with the second connecting parts at intervals to realize the electric connection with the second connecting parts.
the utility model provides a battery pack, circuit board are equipped with the trompil, and connecting piece and electric core group are located the both sides of circuit board respectively, and wherein, the connecting piece is divided into first connecting portion and second connecting portion through there being at least one bending type, and first connecting portion and second connecting portion are not in the coplanar, and first connecting portion set up in the circuit board to laminate with the circuit board mutually, and second connecting portion protrusion is in the circuit board setting; the positive terminal and the negative terminal are led out from the electric core group, and the positive terminal and the negative terminal respectively penetrate through the opening to be electrically connected with the second connecting part.
In the preparation process of the battery assembly, the connecting piece is integrally arranged on one side of the circuit board by utilizing the first connecting part, the electric core group is arranged on the other side of the circuit board, and the connecting piece is arranged in a manner of being isolated from the electric core group, so that the distance between the connecting piece and the electric core group is increased; the positive and negative terminals are fixed to the second connection portion, and in particular, the positive and negative terminals may be fixed to the second connection portion by welding. In the welding process, due to the arrangement of the connecting piece, the welding spot is isolated from the electric core group, the distance between the welding spot and the electric core group is increased, heat generated by welding is prevented from being conducted to the electric core group, and the electric core group is prevented from being damaged by a welding process; the positive terminal and the negative terminal are connected to the second connecting portion, and the second connecting portion protrudes out of the circuit board and is separated from the circuit board, so that the heat dissipation area of the connecting piece is increased, the heat generated by welding is guaranteed to be dissipated in time, the welding spot is guaranteed to be far away from the circuit board and the electric core group, and the heat generated by welding can not be conducted to the circuit board and the electric core group.
The utility model discloses add the connecting piece at the circuit board, and the second connecting portion of connecting piece bulge circuit board setting, positive terminal and negative terminal weld in the second connecting portion, avoid welding process to cause the harm to circuit board and electric core group, improve battery pack's production efficiency and guarantee the uniformity; the fixing mode of screwing in the related technology is avoided, the internal resistance of the connecting parts between the positive terminal and the circuit board and between the negative terminal and the circuit board is reduced, and the parameter performance of the battery pack is improved.
According to the utility model discloses foretell battery pack can also have following additional technical characterstic:
In the above technical scheme, preferably, the electric core group includes a plurality of electric cores, and the electric core is equipped with anodal utmost point ear and negative pole utmost point ear respectively, and anodal utmost point ear and negative pole utmost point ear pass the trompil respectively, and the anodal utmost point ear and the negative pole utmost point ear of a plurality of electric cores are connected with the electricity of negative pole utmost point ear with predetermined mode to electric a plurality of electric cores are connected according to predetermined series connection mode or parallel connection mode.
In this technical scheme, for performance parameter and the power supply ability of guaranteeing electric core group, be provided with a plurality of electric cores in the electric core group, and each electric core all has anodal utmost point ear and negative pole utmost point ear, and wherein, anodal utmost point ear and negative pole utmost point ear pass the trompil respectively and connect according to the mode electricity that predetermines to realize the series connection and the parallel connection of a plurality of electric cores, guarantee that a plurality of electric cores supply power simultaneously.
In any one of the above aspects, preferably, the positive electrode terminal and the negative electrode terminal are respectively welded to the second connection portion; and/or the first connecting part is connected with the circuit board in a pasting mode.
in the technical scheme, in order to ensure the connection strength of the battery pack, the positive terminal and the negative terminal are respectively fixed to the second connecting part in a welding mode, and in particular, the positive terminal and the negative terminal are fixed by soldering tin in consideration of the operability and the welding effect of a welding process; in order to ensure the stable installation of the connecting piece, the first connecting part is attached to the circuit board through Surface Mounting Technology (SMT), and the heat insulation medium with higher heat insulation coefficient is selected as the bonding medium required by the SMT process, so that the heat is prevented from being transferred to the circuit board and the electric core group.
In any of the above technical solutions, preferably, the method further includes: and the adapter plate assembly is used for connecting the positive electrode lug and the negative electrode lug so as to electrically connect the plurality of battery cells in a preset series connection mode or a preset parallel connection mode.
In the technical scheme, the adapter plate assembly is arranged on the electric core set, and the adapter plate assembly is used for bearing the positive pole lug and the negative pole lug so as to ensure the safe use of the positive pole lug and the negative pole lug in consideration of the fact that the positive pole lug and the negative pole lug are soft in material and easy to break in actual processing and use. Specifically, after the positive electrode tab and the negative electrode tab penetrate through the holes of the circuit board, the positive electrode tab and the negative electrode tab are welded or bonded on the adapter plate assembly and are attached to the adapter plate assembly, so that the plurality of battery cells are connected in series or in parallel.
In any of the above solutions, preferably, the cross-sectional shape of the connecting member includes at least one of: l-shaped, T-shaped, U-shaped, circular, elliptical and polygonal; and/or the connector comprises at least one of: nickel connecting pieces, stainless steel connecting pieces, silver-copper alloy connecting pieces and tungsten-copper alloy connecting pieces.
in this embodiment, the cross-sectional shape of the connector may be varied, including but not limited to the following: l-shaped, T-shaped, U-shaped, circular, oval and polygonal. The connecting piece with the L-shaped cross section has the simplest structure and is convenient to process and manufacture; the cross section of the connecting piece is T-shaped, U-shaped, round, oval or polygonal, so that the radiating area is larger, the radiating effect is better, and heat is prevented from being transmitted to the electric core group; connectors include, but are not limited to, the following categories: nickel connecting pieces, stainless steel connecting pieces, silver-copper alloy connecting pieces and tungsten-copper alloy connecting pieces. Wherein, as long as choose the connecting piece that electric conductivity is good, hardness is high, all can realize.
specifically, the utility model discloses a transversal nickel connecting piece of personally submitting L shape.
In any of the above technical solutions, preferably, the method further includes: and one end of the supporting piece is abutted against the second connecting part, and the other end of the supporting piece is abutted against the first connecting part or the circuit board.
In the technical scheme, in order to avoid the influence of the bending deformation of the second connecting part on the processing quality of the battery assembly, the connecting part is provided with the supporting part, one end of the supporting part is abutted against the second connecting part, and the other end of the supporting part is abutted against the first connecting part or the circuit board. In the process of processing and using, the supporting piece can provide a supporting force for the second connecting part so as to resist the deformation of the second connecting part. In particular, by the arrangement of the support, both mechanical and thermal deformations of the second connection portion can be resisted.
in any of the above technical solutions, preferably, the number of the supporting members is one; or the number of the supporting parts is at least two, and the at least two supporting parts are distributed at intervals along the length direction of the connecting part.
In this embodiment, the number of the supporting members may be one or more. When the number of the supporting pieces is one, the abutting points of the supporting pieces and the second connecting part are arranged near the welding points so as to provide the maximum supporting force; when the number of the supporting parts is at least two, the at least two supporting parts can be distributed at intervals along the length direction of the connecting part so as to provide uniform supporting force and avoid local deformation of the second connecting part.
In any of the above technical solutions, preferably, the battery assembly further includes a positive electrode lead and a negative electrode lead, and the connecting member includes a positive electrode connecting member and a negative electrode connecting member; the positive wire and the positive terminal are welded on the second connecting part of the positive connecting piece, and the negative wire and the negative terminal are welded on the second connecting part of the negative connecting piece.
In the technical scheme, in order to ensure the electrical connection between each component inside the battery pack, the battery pack further comprises a positive electrode lead and a negative electrode lead, wherein the positive electrode terminal and the positive electrode lead are simultaneously welded to the second connecting part of the positive electrode connecting piece, and the negative electrode terminal and the negative electrode lead are simultaneously welded to the second connecting part of the negative electrode connecting piece.
The utility model discloses the second aspect provides an electric equipment, include: the utility model discloses any one of first aspect's battery pack.
The utility model provides an electric equipment, include: the battery module of any of the first aspects of the present invention, therefore, has all the advantages of the battery module described above, and is not described one by one herein.
the utility model discloses the third aspect provides a movable platform, include: the present invention provides a battery assembly according to any one of the first aspect; the movable platform comprises at least one of the following: unmanned vehicles, handheld cloud platform, motion camera.
The utility model provides a movable platform, include like the utility model discloses the battery pack of any one of the first aspect, consequently, have above-mentioned battery pack's whole beneficial effect, no longer state one by one here. In particular, the movable platform may be an unmanned aerial vehicle, a handheld pan/tilt, a motion camera.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.
Drawings
the above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
Fig. 1 is a schematic structural diagram of a battery pack according to an embodiment of the present invention;
FIG. 2 is a schematic view of the battery assembly shown in FIG. 1 from another perspective;
FIG. 3 is a side view of the battery assembly shown in FIG. 1;
FIG. 4 is an enlarged view of a portion of the battery pack of FIG. 2 at A;
FIG. 5 is a schematic view showing the structure of a connecting member in the battery module shown in FIG. 1;
FIG. 6 is a schematic view of the connector shown in FIG. 5 from another perspective;
FIG. 7 is a schematic view of the connector shown in FIG. 5 from another perspective;
fig. 8 is a side view of the connector shown in fig. 5.
wherein, the correspondence between the reference numbers and the component names in fig. 1 to 8 is:
100 battery pack, 12 circuit board, 122 opening, 14 connector, 14a positive connector, 14b negative connector, 142 first connector, 144 second connector, 146 support, 148 notch, 162 positive tab, 164 negative tab, 18 adaptor plate assembly.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The embodiment of the utility model provides a battery pack 100, battery pack 100 includes: a circuit board 12, the circuit board 12 having an opening 122; at least two connecting pieces 14 arranged at one side of the circuit board 12 at intervals, wherein at least one part of the connecting piece 14 is bent to divide the connecting piece 14 into a first connecting part 142 and a second connecting part 144, the first connecting part 142 is connected with the circuit board 12, and the second connecting part 144 is arranged to protrude out of the circuit board 12; the electric core set is arranged on the other side of the circuit board 12 and connected with the circuit board 12, the electric core set is provided with a positive terminal and a negative terminal, the positive terminal and the negative terminal respectively penetrate through the open hole 122 and are respectively connected with the second connecting parts arranged at intervals to realize the electric connection with the second connecting parts 144. The utility model discloses can be used in power supply unit, for example, use at unmanned aerial vehicle, car and other digital products.
The utility model discloses set up connecting piece 14 at circuit board 12, the quantity of connecting piece 14 is two at least, and two at least connecting piece 14 intervals set up to connect the positive terminal of electric core group, negative terminal respectively, avoid the short circuit. And the second connecting portion 144 of the connecting member 14 protrudes from the circuit board 12, and the positive terminal and the negative terminal are welded to the second connecting portion 144, so as to avoid the damage of the welding process to the cell assembly, improve the production efficiency of the battery assembly 100, ensure the consistency, and improve the parameter performance of the battery assembly 100.
The following describes a battery assembly 100, a powered device, and a movable platform according to some embodiments of the present invention with reference to fig. 1 to 8, wherein the positive terminal is one of a plurality of positive tabs 162, and the negative terminal is one of a plurality of negative tabs 164; for the convenience of understanding, the drawing conceals the electric core group, and the specific structure of the electric core group can be known by those skilled in the art.
The utility model discloses a first aspect provides a battery pack 100, as shown in fig. 1 to 8, include: a circuit board 12, the circuit board 12 having an opening 122; the connector 14 is disposed on one side of the circuit board 12, as shown in fig. 1 and 2, at least one part of the connector 14 is bent to divide the connector 14 into a first connecting portion 142 and a second connecting portion 144, the first connecting portion 142 is connected to the circuit board 12, and the second connecting portion 144 protrudes from the circuit board 12; and a core assembly (not shown) disposed on the other side of the circuit board 12 and connected to the circuit board 12, wherein the core assembly has a positive terminal (not shown, it can be understood that the positive tab 162 located at the end of the positive tabs 162 is located in the plurality of positive tabs 162) and a negative terminal (not shown, it can be understood that the negative tab 164 located at the end of the negative tabs 164 is located in the plurality of negative tabs 164), and the positive terminal and the negative terminal respectively pass through the opening 122 and are electrically connected to the second connecting portion 144. The quantity of connecting piece 14 is two at least, and the interval sets up to connect the anodal terminal of electric core group, negative pole terminal respectively, avoid the short circuit. The connecting piece is as the adaptor of positive terminal, negative terminal and positive negative pole power line of electric core group, has avoided welding process to cause the harm to the electric core group, improves battery pack's production efficiency and guarantees the uniformity, promotes battery pack's parameter performance.
In some embodiments, the positive terminal is one of the positive tabs 162, the negative terminal is one of the negative tabs 164, and after the plurality of cells are connected in series/parallel according to a preset series/parallel manner, a cell group is formed, wherein the positive electrode of the cell group is led out from the positive terminal, and the negative electrode of the cell group is led out from the negative terminal. In some embodiments, the circuit board 12 is provided with a trace, according to specific requirements, the positive electrode tabs 162 and the negative electrode tabs 164 of a plurality of battery cells are electrically connected in a preset manner, the positive electrode tabs 162 forming the electrical connection are uniformly connected to the positive electrode terminal, the negative electrode tabs 164 forming the electrical connection are uniformly connected to the negative electrode terminal, and the positive electrode terminal and the negative electrode terminal are respectively connected to the connecting members 14 arranged at intervals. Thus, the method can be applied to various voltage/capacity requirements.
The present invention provides a battery assembly 100, as shown in fig. 1 to 4, a circuit board 12 is provided with an opening 122, a connecting member 14 and a cell group are respectively located at two sides of the circuit board 12, wherein, as shown in fig. 5 to 8, the connecting member 14 is divided into a first connecting portion 142 and a second connecting portion 144 by at least one bending, the first connecting portion 142 and the second connecting portion 144 are not located at the same plane, the first connecting portion 142 is disposed on the circuit board 12 and attached to the circuit board 12, and the second connecting portion 144 protrudes from the circuit board 12; the electric core group comprises a plurality of electric cores, guarantees battery pack 100's power supply performance, and positive terminal and negative terminal are drawn forth to the electric core group, and positive terminal and negative terminal pass trompil 122 respectively and are connected with second connecting portion 144 electricity to positive terminal and second connecting portion 144 have big area of contact, and the uniformity of connection is better, connects more firmly.
In the preparation process of the battery assembly 100, the first connecting part 142 is used for integrally mounting the connecting part 14 on one side of the circuit board 12, the electric core group is mounted on the other side of the circuit board 12, the connecting part 14 is arranged in a manner of being isolated from the electric core group, and the distance between the connecting part 14 and the electric core group is increased; the positive and negative terminals are fixed to the second connection portion 144, and specifically, the positive and negative terminals may be simultaneously fixed to the second connection portion 144 by welding. In the welding process, due to the arrangement of the connecting piece 14, the welding point is isolated from the electric core group, the distance between the welding point and the electric core group is increased, heat generated by welding is prevented from being conducted to the electric core group, and the electric core group is prevented from being damaged by a welding process; the positive terminal and the negative terminal are connected to the second connecting portion 144, and the second connecting portion 144 protrudes from the circuit board 12 and is isolated from the circuit board 12, so that on one hand, the heat dissipation area of the connecting member 14 is increased, and the heat generated by welding is ensured to be dissipated in time, on the other hand, the welding spot is ensured to be away from the circuit board 12 and the electric core group, and the heat generated by welding cannot be conducted to the circuit board 12 and the electric core group.
The utility model discloses add connecting piece 14 at circuit board 12, and second connecting portion 144 of connecting piece 14 sets up by protrusion circuit board 12, and the positive terminal welds in second connecting portion 144 with the negative terminal, avoids welding process to cause the harm to circuit board 12 and electric core group, improves the production efficiency of battery pack 100 and guarantees the uniformity; the fixing mode of screwing in the related technology is avoided, the internal resistance of the connecting parts between the positive terminal and the circuit board 12 and the negative terminal is reduced, and the parameter performance of the battery pack 100 is improved.
In an embodiment of the present invention, preferably, the battery core set includes a plurality of battery cores (not shown in the figure), as shown in fig. 1 to fig. 4, the battery cores are respectively provided with a positive electrode tab 162 and a negative electrode tab 164, the positive electrode tab 162 and the negative electrode tab 164 respectively pass through the opening 122, and the positive electrode tab 162 and the negative electrode tab 164 of the plurality of battery cores are electrically connected in a preset manner, so as to electrically connect the plurality of battery cores in a preset series connection manner or a preset parallel connection manner.
In this embodiment, in order to ensure the performance parameters and the power supply capability of the cell group, a plurality of cells are disposed in the cell group, and each cell has a positive electrode tab 162 and a negative electrode tab 164, wherein the positive electrode tab 162 and the negative electrode tab 164 respectively pass through the opening 122 and are electrically connected according to a preset manner, so as to realize the series connection and the parallel connection of the plurality of cells, thereby ensuring that the plurality of cells supply power simultaneously.
In an embodiment of the present invention, preferably, the positive terminal and the negative terminal are respectively welded to the second connection portion 144; and/or the first connecting portion 142 is connected to the circuit board 12 by means of adhesion.
In this embodiment, in order to secure the connection strength of the battery assembly 100, the positive and negative terminals are fixed to the second connection parts 144, respectively, by welding, specifically, by soldering in consideration of the workability of the welding process and the welding effect; in order to ensure the stable installation of the connecting member 14, the first connecting portion 142 is attached to the circuit board 12 by SMT, and the adhesive medium required by the SMT process is a heat insulation medium with a high heat insulation coefficient, so as to prevent heat from being transferred to the circuit board 12 and the electric core assembly.
in an embodiment of the present invention, preferably, as shown in fig. 1, fig. 2 and fig. 4, the method further includes: and the adapter plate assembly 18 is used for connecting the positive electrode tab 162 and the negative electrode tab 164 so as to electrically connect a plurality of battery cells in a preset series connection mode or a preset parallel connection mode.
in this embodiment, considering that the positive electrode tab 162 and the negative electrode tab 164 are made of soft materials and are easily broken in practical processing and use, the adapter plate assembly 18 is disposed on the electric core assembly, and the adapter plate assembly 18 is used to receive the positive electrode tab 162 and the negative electrode tab 164, so as to ensure safe use of the positive electrode tab 162 and the negative electrode tab 164. Specifically, as shown in fig. 4, after the positive electrode tab 162 and the negative electrode tab 164 pass through the opening 122 of the circuit board 12, they are welded or bonded to the interposer assembly 18, and are attached to the interposer assembly 18, so that a plurality of cells are connected in series or in parallel.
In an embodiment of the present invention, the cross-sectional shape of the connecting member 14 may include at least one of: l-shaped, T-shaped, U-shaped, circular, oval and polygonal. And/or the connector 14 comprises at least one of: nickel connecting pieces, stainless steel connecting pieces, silver-copper alloy connecting pieces and tungsten-copper alloy connecting pieces. And/or the battery cell group comprises a plurality of battery cells, the battery cells are respectively provided with a positive electrode lug 162 and a negative electrode lug 164, and the positions of the openings 122 correspond to the positions of the positive electrode lug 162 and the negative electrode lug 164. So that the positive and negative electrode tabs 162 and 164 can directly pass through the openings 122, and the bending of the positive and negative electrode tabs 162 and 164 is reduced to reduce the structural deformation thereof. And/or the position of the opening 122 corresponds to the position of the positive terminal and the negative terminal, so that the positive terminal and the negative terminal can directly pass through the opening 122, and the bending of the positive terminal and the negative terminal is reduced to reduce the structural deformation of the positive terminal and the negative terminal.
In this embodiment, the cross-sectional shape of the connector 14 may be varied, including but not limited to the following: l-shaped, T-shaped, U-shaped, circular, oval and polygonal. The connecting piece 14 with the L-shaped cross section has the simplest structure and is convenient to process and manufacture; the connecting piece 14 with the cross section in a T-shaped, U-shaped, circular, oval or polygonal shape has a larger heat dissipation area, has a better heat dissipation effect and avoids heat from being transmitted to the electric core group; the connectors 14 include, but are not limited to, the following categories: nickel connecting pieces, stainless steel connecting pieces, silver-copper alloy connecting pieces and tungsten-copper alloy connecting pieces. Among them, it is possible to select the connecting member 14 having good conductivity and high hardness.
In the embodiment, as shown in fig. 5 to 8, the present invention employs a nickel connector with an L-shaped cross section.
In an embodiment of the present invention, preferably, as shown in fig. 5 to 8, the method further includes: and one end of the supporting member 146 abuts against the second connecting portion 144, and the other end of the supporting member 146 abuts against the first connecting portion 142 or the circuit board 12.
in this embodiment, in order to prevent the second connection portion 144 from bending and deforming to affect the processing quality of the battery assembly 100, a support member 146 is disposed at the connection member 14, one end of the support member 146 abuts against the second connection portion 144, and the other end of the support member 146 abuts against the first connection portion 142 or the circuit board 12. The supporting member 146 can provide a supporting force to the second connecting portion 144 to resist the deformation of the second connecting portion 144 during the manufacturing and using processes. Specifically, by the arrangement of the support 146, both mechanical deformation and thermal deformation of the second connection portion 144 may be resisted.
In one embodiment of the present invention, preferably, the number of the supporting pieces 146 is one; or the number of the supporting members 146 is at least two, and at least two supporting members 146 are distributed at intervals along the length direction of the connecting member 14.
In this embodiment, the number of the supports 146 may be one or more. When the number of the supporting pieces 146 is one, the abutting point of the supporting piece 146 and the second connecting portion 144 is arranged near the welding point to provide the maximum supporting force; when the number of the supporting members 146 is at least two, the at least two supporting members 146 may be spaced apart along the length direction of the connecting member 14 to provide uniform supporting force to prevent local deformation of the second connecting portion 144.
In the specific embodiment, the number of the supporting members 146 can be determined according to the length of the connecting member 14 and the processing and using scene, and both can be implemented as long as the second connecting portion 144 has enough strength and the second connecting portion 144 does not deform, which is exemplified by two supporting members 146; in addition, to reduce the weight of the connecting element 14, notches 148 are provided in the connecting element 14 to ensure a minimum simplification of the structure and weight of the connecting element 14.
In an embodiment of the present invention, preferably, the battery assembly 100 further includes a positive electrode lead (not shown) and a negative electrode lead (not shown), as shown in fig. 1 to 3, the connecting member 14 includes a positive electrode connecting member 14a and a negative electrode connecting member 14 b; the positive electrode lead and the positive electrode terminal are welded to the second connection portion 144 of the positive electrode connector 14a, and the negative electrode lead and the negative electrode terminal are welded to the second connection portion 144 of the negative electrode connector 14 b.
In this embodiment, to ensure the electrical connection between the components inside the battery assembly 100, the battery assembly 100 further includes a positive electrode lead and a negative electrode lead, wherein the positive electrode terminal and the positive electrode lead are simultaneously welded to the second connection portion 144 of the positive electrode connection member 14a, and the negative electrode terminal and the negative electrode lead are simultaneously welded to the second connection portion 144 of the negative electrode connection member 14 b.
In the specific embodiment, the utility model uses the L-shaped nickel sheet as the connecting piece 14, and the L-shaped nickel sheet is pasted on the circuit board 12 in an SMT way; the adapter plate assembly 18 is arranged in the cell group, and the positive electrode tab 162 and the negative electrode tab 164 pass through the opening 122 of the circuit board 12 and then are attached to the adapter plate assembly 18, so that a plurality of cells are connected in series or in parallel; the positive terminal and the negative terminal are led out from the electric core group, the positive lead and the positive terminal are welded on the positive connecting piece 14a, and the negative lead and the negative terminal are welded on the negative connecting piece 14 b.
The utility model provides a battery pack 100 can effectively reduce the internal resistance at connection position between positive terminal, negative terminal and PCBA (printed Circuit Board behind printed Circuit Board + Assembly installation electrical apparatus module) to reduce the damage to electric core group and Circuit Board 12 in the production process, improve production efficiency and can guarantee the production uniformity.
the utility model discloses the second aspect provides an electric equipment, include: the present invention provides the battery module 100 according to any one of the first aspect.
The utility model provides an electric equipment, include: the battery module 100 of any of the first aspects of the present invention, therefore, has all the advantages of the battery module 100, which are not described one by one herein. Specifically, the electric device may be a 3C digital product (a combination of Computer, Communication, and consumer electronics, also referred to as an information appliance).
The utility model discloses the third aspect provides a movable platform, include: the battery assembly 100 of any of the first aspects of the present invention; the movable platform comprises at least one of the following: unmanned vehicles, handheld cloud platform, motion camera.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A battery assembly, comprising:
the circuit board is provided with an opening;
The connecting piece is provided with at least one bent part so as to divide the connecting piece into a first connecting part and a second connecting part, the first connecting part is connected with the circuit board, and the second connecting part is arranged to protrude out of the circuit board;
The battery pack is arranged on the other side of the circuit board and connected with the circuit board, the battery pack is provided with a positive terminal and a negative terminal, the positive terminal and the negative terminal respectively penetrate through the opening and are respectively connected with the second connecting parts arranged at intervals to realize the electric connection with the second connecting parts.
2. The battery assembly of claim 1,
the electric core group comprises a plurality of electric cores, the electric cores are respectively provided with a positive electrode lug and a negative electrode lug, the positive electrode lug and the negative electrode lug penetrate through the open hole respectively, the positive electrode lugs and the negative electrode lugs of the plurality of electric cores are electrically connected in a preset mode, so that the plurality of electric cores are electrically connected in a preset series connection mode or a preset parallel connection mode.
3. The battery assembly of claim 1,
The positive electrode terminal and the negative electrode terminal are respectively welded to the second connecting part; and/or
The first connecting part is connected with the circuit board in a pasting mode.
4. The battery assembly of claim 2, further comprising:
And the adapter plate assembly is used for connecting the positive electrode lug and the negative electrode lug so as to electrically connect the plurality of battery cells in a preset series connection mode or a preset parallel connection mode.
5. the battery assembly according to any one of claims 1 to 4,
The cross-sectional shape of the connector comprises at least one of: l-shaped, T-shaped, U-shaped, circular, elliptical and polygonal; and/or
The connecting piece comprises at least one of the following components: a nickel connecting piece, a stainless steel connecting piece, a silver-copper alloy connecting piece and a tungsten-copper alloy connecting piece; and/or
The battery core group comprises a plurality of battery cores, each battery core is provided with a positive electrode lug and a negative electrode lug, and the positions of the openings correspond to the positions of the positive electrode lugs and the negative electrode lugs; and/or
The position of the opening hole corresponds to the positions of the positive terminal and the negative terminal.
6. The battery assembly according to any one of claims 1 to 4, further comprising:
and one end of the supporting piece is abutted against the second connecting part, and the other end of the supporting piece is abutted against the first connecting part or the circuit board.
7. The battery assembly of claim 6,
The number of the supporting pieces is one; or
The number of the supporting pieces is at least two, and the at least two supporting pieces are distributed at intervals along the length direction of the connecting piece.
8. The battery assembly according to any one of claims 1 to 4,
The battery component also comprises a positive electrode lead and a negative electrode lead, and the connecting piece comprises a positive electrode connecting piece and a negative electrode connecting piece;
The positive wire and the positive terminal are welded to the second connecting part of the positive connecting piece, and the negative wire and the negative terminal are welded to the second connecting part of the negative connecting piece.
9. An electrical device, comprising: the battery module of any one of claims 1 to 8.
10. a movable platform, comprising:
The battery module of any one of claims 1 to 8;
The movable platform comprises at least one of: unmanned vehicles, handheld cloud platform, motion camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921093279.7U CN209786058U (en) | 2019-07-12 | 2019-07-12 | Battery pack, electric equipment and movable platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921093279.7U CN209786058U (en) | 2019-07-12 | 2019-07-12 | Battery pack, electric equipment and movable platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209786058U true CN209786058U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921093279.7U Expired - Fee Related CN209786058U (en) | 2019-07-12 | 2019-07-12 | Battery pack, electric equipment and movable platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209786058U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184454A1 (en) * | 2022-03-31 | 2023-10-05 | 东莞新能安科技有限公司 | Battery module, manufacturing method for battery module, battery pack and electric device |
-
2019
- 2019-07-12 CN CN201921093279.7U patent/CN209786058U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023184454A1 (en) * | 2022-03-31 | 2023-10-05 | 东莞新能安科技有限公司 | Battery module, manufacturing method for battery module, battery pack and electric device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191213 |