CN214043919U - Interconnection piece and battery package, consumer - Google Patents

Interconnection piece and battery package, consumer Download PDF

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Publication number
CN214043919U
CN214043919U CN202022891215.0U CN202022891215U CN214043919U CN 214043919 U CN214043919 U CN 214043919U CN 202022891215 U CN202022891215 U CN 202022891215U CN 214043919 U CN214043919 U CN 214043919U
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battery
terminal
main cable
insulating
terminals
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CN202022891215.0U
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李坤龙
王慎波
凌先进
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Dongguan Poweramp Technology Ltd
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Dongguan Poweramp Technology Ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The application discloses an interconnection piece, a battery pack and electric equipment. The interconnecting piece comprises a flexible flat cable, an insulating hard board and a connector, wherein the flexible flat cable comprises a main cable and a plurality of terminals, the terminals are branched from one end of the main cable and are fixed on the insulating hard board, and each terminal is electrically connected with at least one wiring of the main cable and is electrically connected with a tab of an electric core; the connector is arranged at the other end of the main cable and is electrically connected with the battery protection board and the main cable of the flexible flat cable. This application carries out the structure reinforcement through insulating hardboard to flexible flat cable's weak region, is favorable to improving the electric connection reliability of terminal and electric core utmost point ear, satisfies electric core sampling design demand.

Description

Interconnection piece and battery package, consumer
Technical Field
The application relates to the technical field of sampling design of soft package batteries, in particular to an interconnecting piece, a battery pack with the interconnecting piece and electric equipment with the interconnecting piece.
Background
The battery pack generally includes a plurality of cells (also referred to as battery cells) connected in series or in parallel, and overvoltage, overcurrent, overheat or the like occurring in some of the cells may adversely affect the safety and the operation efficiency of the battery pack, so it is necessary to sample information such as voltage or current of the cells and adopt a corresponding control strategy according to the sampling result.
For saving space and reducing weight and cost, a Flexible Flat Cable (FFC) is generally adopted to be electrically connected with each battery cell and perform sampling for a battery pack adopting a soft-package battery cell. However, the flexible flat cable is softer, and the structural strength of the flexible flat cable is difficult to meet the sampling design requirements, for example, the region where the terminal of the flexible flat cable is located is softer, the shaping capability of the structural posture is poorer, and the reliability of the electrical connection between the terminal and the battery core tab is lower.
Disclosure of Invention
In view of this, the present application provides an interconnect, a battery pack, and an electric device, so as to solve the problem that the electrical connection reliability of a flexible flat cable is low in the sampling design of a soft package battery cell.
The present application in a first aspect provides an interconnector for electrically connecting a battery protection plate and a battery module. The interconnect includes a flexible flat cable, an insulating hard sheet, and a connector. The flexible flat cable comprises a main cable and a plurality of terminals, wherein the terminals are branched from one end of the main cable, and each terminal is electrically connected with at least one wiring of the main cable and is electrically connected with a tab of an electric core of the battery module. And the terminals are fixed relative to the side surface of the insulating hard plate. The connector is arranged at the other end of the main cable and is electrically connected with the main cable of the flexible flat cable and the battery protection board.
On the terminal relatively fixed in insulating hardboard of flexible flat cable was with the interconnect, carried out the structure reinforcement through insulating hardboard to the weak region of flexible flat cable (being terminal place region promptly), be favorable to improving the electric connection reliability of terminal and electric core utmost point ear to can satisfy electric core sampling design demand.
The interconnector further includes a plurality of conductive hard plates, and one conductive hard plate connects one terminal and one tab of the battery module. The hard conductive sheet is a long strip-shaped metal sheet which is not easy to deform, and can be regarded as the extension of the conductive part of the terminal, so that the contact area with the lug can be increased, the terminal is not easy to deform, the connection stability between the terminal and the lug is more reliable, and the requirement for electric core sampling design is further met.
Wherein, be provided with the viscose on the side of insulating hardboard, the one end of each electrically conductive hard piece and the one end of main cable are pasted on a side of insulating hardboard through the viscose respectively.
The interconnection piece also comprises insulating sealing glue which wraps the connection part of the terminal and the conductive hard sheet.
Wherein, the outside of terminal is provided with outer covering film, and insulating glue wraps up the outer covering film of terminal and electrically conductive hardboard junction.
The insulating hard board is also provided with an alignment mark for positioning when the interconnecting piece is electrically connected with the battery pack.
Wherein, the alignment mark comprises at least one notch arranged on the side edge of the insulating hard board.
A second aspect of the present application provides a battery pack including a battery module, a battery protection plate, and the interconnector of any of the above, the interconnector electrically connecting the battery module and the battery protection plate.
The battery package adopts aforementioned interconnecting piece, is fixed in the terminal of flexible flat cable relatively on insulating hardboard, carries out the structure reinforcement through insulating hardboard to flexible flat cable's weak region (being terminal place region promptly), is favorable to improving the electric connection reliability of the electric core utmost point ear of terminal and battery module to can satisfy the electric core sampling design demand of battery package.
The battery pack further comprises fixing glue, and the fixing glue wraps the connecting position of the connector and the battery protection plate.
Wherein, the battery package still includes shell and casting glue, and the shell is formed with electric core groove, and electric core holds in electric core inslot, and electric core is provided with the embedment district between the cell wall in one side that is provided with utmost point ear and electric core groove, and insulating hardboard and a plurality of terminal are located in the embedment district, the embedment district is filled to the casting glue, and wraps up insulating hardboard and a plurality of terminal.
A third aspect of the present application provides a powered device including a battery pack and a load. The battery pack is used for supplying power for loads, and the battery pack comprises a battery module and an interconnecting piece, wherein the interconnecting piece is used for electrically connecting a battery core of the battery module and a battery protection plate. The interconnection includes a flexible flat cable, an insulating hard sheet, and a connector. The flexible flat cable comprises a main cable and a plurality of terminals, wherein the terminals are branched from one end of the main cable, and each terminal is electrically connected with at least one wiring of the main cable and is electrically connected with a tab of an electric core of the battery module. And the terminals are fixed relative to the side surface of the insulating hard plate. The connector is arranged at the other end of the main cable and is electrically connected with the main cable of the flexible flat cable and the battery protection board.
The electric equipment adopts aforementioned interconnecting piece, is fixed in the terminal of flexible flat cable relatively on insulating hardboard, carries out the structure reinforcement through insulating hardboard to the weak region of flexible flat cable (being the terminal place region promptly), is favorable to improving the electric connection reliability of terminal and electric core utmost point ear to can satisfy electric core sampling design demand.
The interconnector further includes a plurality of conductive hard plates, and one conductive hard plate connects one terminal and one tab of the battery module.
Wherein, the consumer includes electric tool, or unmanned aerial vehicle, or electric motor car, or electronic cleaning means, or the energy storage product.
Wherein, be provided with the viscose on the side of insulating hardboard, the one end of each electrically conductive hard piece and the one end of main cable are pasted on a side of insulating hardboard through the viscose respectively.
The interconnection piece further comprises insulating sealing glue, and the insulating sealing glue wraps the connection position of the terminal and the conductive hard sheet.
As above, the interconnect and the battery package, electronic equipment of this application, on being fixed in insulating hardboard with the terminal relatively of flexible flat cable, carry out the structure reinforcement through insulating hardboard to the weak region of flexible flat cable (being terminal place region), in addition, through electrically conductive hard sheet connecting terminal and utmost point ear, electrically conductive hard sheet is the rectangular form sheetmetal of difficult deformation, the extension of the conducting part who is regarded as the terminal, not only can increase the area of contact with utmost point ear, and it is difficult deformation moreover, make the stability of being connected between terminal and the utmost point ear more reliable, insulating hardboard combines together with electrically conductive hard sheet and is favorable to improving the electric connection reliability of terminal and electric core utmost point ear, thereby can satisfy electric core sampling design demand.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings according to these drawings.
FIG. 1 is a schematic structural view of an interconnect of a first embodiment of the present application;
FIG. 2 is an enlarged partial schematic view of the interconnect of FIG. 1 in the area of the terminals;
fig. 3 is a schematic diagram of a backside structure of the interconnect shown in fig. 1 in the region of the terminals;
fig. 4 is a schematic structural diagram of a battery pack according to an embodiment of the present application;
fig. 5 is an exploded view of the structure of the battery pack shown in fig. 4;
FIG. 6 is a schematic structural view of an interconnect of a second embodiment of the present application;
FIG. 7 is a schematic view of the connector of FIG. 6 shown disconnected from the main cable;
fig. 8 is a schematic view of the structure of the main cable shown in fig. 7 toward one end of the connector.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments and accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present application and are not to be taken as the whole. Based on the embodiments in the present application, the following respective embodiments and technical features thereof may be combined with each other without conflict.
It should be understood that in the description of the embodiments of the present application, the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing technical solutions and simplifying the description of the respective embodiments of the present application, and do not indicate or imply that a device or an element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.
In considering current battery module, flexible flat cable is softer, and structural strength is low to lead to its terminal to be low with electric connection reliability of electric core utmost point ear, is difficult to satisfy electric core sampling design demand. The embodiment of the application provides an interconnecting piece, a terminal of a flexible flat cable is relatively fixed on an insulating hard plate, and the structure reinforcement is carried out on a weak part (such as a terminal located area) of the flexible flat cable through the insulating hard plate, so that the electric connection reliability of the terminal and a battery core lug is improved.
Fig. 1 is a schematic structural view of an interconnect according to a first embodiment of the present application. Referring to fig. 1, the interconnection member 10 includes a flexible flat cable 11, a connector 12, and an insulating hard sheet 13.
The flexible flat cable 11 includes a main cable 111 and several terminals 112. The main cable 111 may be configured in a long strip shape, and has a plurality of traces therein, such as copper wires with high conductivity. The plurality of terminals 112 are branched from one end of the main cable 111 and can be respectively disposed on two opposite sides of the main cable 111, and each terminal 112 is electrically connected to at least one trace of the main cable 111.
As shown in fig. 1 and 2, each terminal 112 includes a branch portion 112a and a gold finger (Pin)112 b. The branch portion 112a is formed by branching one end of the main cable 111 and turning it sideways. The gold finger 112b extends beyond the branch portion 112a and is electrically connected to the trace of the main cable 111 through the branch portion 112 a.
The number of the terminals 112 may be the same as the number of the tabs of the battery module, and each terminal 112 is electrically connected to one tab of the battery module during cell sampling.
The terminals 112 are fixed to the side of the hard insulating plate 13, and in one embodiment, the terminals 112 may be fixed to one side of the hard insulating plate 13. The hard insulating Board 13 is an elongated Board with a large structural strength (which can be understood as a shaping capability of a structural posture) and is not easily deformed, and specifically includes, but is not limited to, a Polycarbonate (PC) Board.
As shown in fig. 3, the width of the hard insulating sheet 13 may be equal to the width of the main cable 111, and the structural strength thereof is greater than that of the main cable 111. Here, the hard insulating plate 13 may be regarded as an extension of the main cable 111, and when the terminal 112 is fixed to the hard insulating plate 13, the structural strength of the region of the flexible flat cable 11 where the terminal 112 is located is reinforced by the hard insulating plate 13.
The connector 12 is provided at the other end of the main cable 111. The connector 12 is provided with a plurality of gold fingers (Pin)12a, each of the gold fingers 12a being electrically connected to each of the traces of the main cable 111.
In a scene of sampling information such as voltage and current of the battery module, the terminal 112 of the flexible flat cable 11 is electrically connected to a tab of the battery module, and the gold finger 12a of the connector 12 is electrically connected to the battery protection plate. Therefore, the flexible flat cable 11 is electrically connected to the Battery module and the Battery protection board, and the Battery protection board is also called a Battery Management System (BMS) board, which can sample information such as voltage or current of the Battery module and adopt a corresponding control strategy according to a sampling result to ensure safe operation of the Battery module.
The terminal 112 of the flexible flat cable 11 is relatively fixed on the side surface of the insulating hard plate 13 in the embodiment of the application, the structural strength of the weak part of the flexible flat cable 11 is compensated through the insulating hard plate 13, namely, the shaping capacity of the structural posture of the area where the terminal 112 is located, which is shown by the dotted line in fig. 1, is enhanced, the positioning of the terminal 112 is favorably ensured, the reliability of the electric connection between the terminal 112 and the electrode lug of the battery cell can be improved, and thus, the design requirement of battery cell sampling is met.
On the basis of the foregoing description, an adhesive may be disposed on one side surface of the hard insulating plate 13, and one end of the main cable 111 is adhered and fixed to the hard insulating plate 13 by the adhesive.
During the transportation and installation process, the area of the terminal 112 will not deform, and the position of the terminal 112 on the hard insulating board 13 will not change. Moreover, the terminal 112 is used as a branch of the main cable 111, and the adhesive is provided to increase the connection firmness of the terminal 112 and the main cable 111, for example, the tensile force that can be borne by a single branch in the prior art is about 30 newtons, whereas in the embodiment of the present application, the tensile force that can be borne by a single branch can be increased by 5 to 10 times.
With continued reference to fig. 1 and 2, the interconnect 10 also includes a plurality of conductive tabs 14. The number of the conductive hard sheets 14 may be the same as the number of the terminals 112 and as the number of the tabs of the battery module. A terminal 112 is fixedly secured to a conductive stiffener 14.
The position arrangement of the conductive hard sheets 14 relative to the main cable 111 should be designed adaptively according to the position of the tab 311 of the battery cell 31. As shown in fig. 1, fig. 2, fig. 4 and fig. 5, the conductive hard sheets 14 may be sequentially arranged on both sides of the insulating hard sheet 13.
In a scenario of sampling information such as voltage of a battery module, please refer to fig. 4 and 5 together, one conductive hard sheet 14 is fixed to one tab 311 of the battery module 30, such that one terminal 112 is electrically connected to one tab 311 of the battery module 30 through one conductive hard sheet 14, and the gold finger 12a of the connector 12 is electrically connected to a battery protection plate (not shown).
Therefore, the flexible flat cable 11 is electrically connected to each battery cell 31 of the battery module 30 and the battery protection board, and the battery protection board samples information such as voltage of each battery cell 31 and adopts a corresponding control strategy according to a sampling result, so as to ensure safe operation of the battery module 30.
The conductive hard sheet 14 is a long-strip-shaped metal sheet with high structural strength and difficult deformation, such as a nickel sheet, and can be regarded as the extension of the conductive part of the terminal 111, so that the contact area with the tab 311 can be increased, and the conductive hard sheet is difficult to deform, so that the connection stability between the terminal 112 and the tab 311 is more reliable, and the requirement of cell sampling design is further met.
One end of the conductive hard sheet 14 may be fixed on the insulating hard sheet 13 by an adhesive, and as shown in fig. 2, the gold finger 112b of the terminal 112 is fixed on the conductive hard sheet 14, so as to fix the terminal 112 and the insulating hard sheet 13.
The terminals 112 and the conductive rigid plates 14 can be fixed in a suitable manner, for example, as shown in fig. 6, the joints of the terminals 112 and the conductive rigid plates 14 are wrapped by an insulating sealant 15. The joint is a weak point, and the insulating sealant 15 can enhance the reliability of the connection at the joint.
Generally, the outer side of the flexible flat cable 11 is coated with an outer covering film for protecting the internal circuit, the terminal 112 is used as a branch of the main cable 111, see the branch portion 112a shown in fig. 1 and fig. 2, and the outer covering film is also arranged on the outer side thereof, so that a part of the outer covering film in the region of the terminal 112 (i.e. a part of the branch portion 112 a) is lapped on the conductive hard sheet 14, and the insulating sealant 15 further coats the outer covering film at the connection position of the terminal 112 and the conductive hard sheet 14, thereby improving the structural strength of the connection position, making the structural strength of the connection position greater than that of the flexible flat cable 11 itself, and enhancing the connection reliability of the connection position.
Referring to fig. 1, 2, 5 and 6, the hard insulating plate 13 is further provided with an alignment mark 131 for positioning when the interconnector 10 is electrically connected to the battery module 30.
In one implementation, the alignment mark 131 may be at least one notch opened on a side of the hard insulating plate 13, for example, two notches opened on the same side of the hard insulating plate 13. Between which the terminal 112 and the conductive rigid plate 14 may be disposed. Two positioning posts are disposed in the core slot of the battery module 30, and when the two positioning posts are respectively correspondingly clamped in the two notches, it means that each conductive hard sheet 14 (and the terminal 112 connected thereto) is aligned with each tab 311 of the battery core 31, and then the conductive hard sheets 14 and the tabs 311 are fixed by laser welding.
Another embodiment of the present application provides a battery pack. As shown in fig. 4 and fig. 5, the battery pack includes a battery module 30, a battery protection plate (not shown), and the interconnector 10 according to any of the above embodiments, and electrically connects the battery cell 31 of the battery module 30 and the battery protection plate through the interconnector 10, wherein the battery module 30 further includes a housing 32 and a plurality of battery cells 31.
The housing 32 encloses the shape of the battery module 30 and defines the external appearance thereof. The casing 32 is formed with a battery cell, and internal elements (for example, a plurality of battery cells 31) of the battery module 30 are embedded in the battery cell, so that components in the battery module 30 are protected by the casing 32, the protection effect on the battery cells 31 can be improved, and the safety of the battery module 30 is ensured.
The number of the battery cells 31 may be determined according to the design requirement of the electric quantity of the battery pack, and is not limited herein. The battery cells 31 are accommodated in a battery cell groove of the casing 32, and are disposed at intervals in the battery cell groove in the first direction x indicated by an arrow in fig. 5, for example.
These cells 31 are combined in series or in parallel to form an efficient power supply and/or charging unit of the battery pack. These cells 31 include, but are not limited to, soft-packed cells, and the structure may be identical, and some descriptions herein are illustrated with a single cell 31 as an example. One end (the left end shown in fig. 5) of the battery cell 31 has tabs 311, including a positive tab and a negative tab.
One end of the interconnecting piece 10 is inserted between the left end of the battery cell 31 and the wall of the battery cell slot, the insulating hard plate 13 compensates the structural strength of the flexible flat cable 11 in the region where the terminal 112 is located, which is beneficial to ensuring the positioning of the terminal 112, and one conductive hard sheet 14 is fixed and electrically connected with one tab 311 of the battery cell 31, thereby realizing the electrical connection between the terminal 112 and the tab 311 of the battery cell 31, and in addition, the golden finger 12a of the connector 12 is electrically connected with the battery protection board.
Thus, the flexible flat cable 11 electrically connects the battery module 30 and the battery protection board, and the battery protection board samples information such as voltage or current of the battery module 30 and adopts a corresponding control strategy according to the sampling result to ensure safe operation of the battery module 30 and the battery pack.
The flexible flat cable 11 is usually very thin, and as shown in fig. 7 and 8 together with the connector 12, the gold finger 11a of the flexible flat cable 11 is very easily oxidized and corroded, so that the internal resistance of the flexible flat cable and the connector 12 is increased, the acquired information such as voltage and/or current is inaccurate, and the sampling and control of the battery pack are affected. In this case, the battery pack can be protected by a fixing adhesive for the structural connection.
The fixing glue can be dispensed on the battery protection board and wraps the connection part of the connector 12 and the battery protection board. The fixing glue can protect the golden finger 11a of the flexible flat cable 11 connected with the connector 12, can also protect the golden finger 12a of the connector 12 connected with the battery protection board, avoids the golden fingers at the two positions from being oxidized and corroded due to exposure, can also protect other electric devices at the connection position, and enhances the structural strength and the connection reliability of the connection position, and the tensile force bearable at the connection position can be improved by 5 to 10 times according to actual experimental data.
As shown in fig. 4 and 5, the battery pack further includes a potting adhesive 33. The cell 31 is equipped with the relative interval setting of cell wall in one side of utmost point ear 311 and the cell groove to this forms the embedment district, and insulating hardboard 13 and a plurality of terminal 112 are located this embedment district, and to this, pouring sealant 33 not only encapsulates all electric cores 31 of protection, pours into in this embedment district moreover, thereby makes the whole encapsulation of weak region by pouring sealant 33 parcels of flexible flat cable 11.
Based on this, the weak area of the flexible flat cable 11 is further structurally reinforced by the potting adhesive 33 in the embodiment of the application, which is beneficial to improving the electrical connection reliability of the terminal 112 and the tab 311, so that the sampling design requirement of the battery cell 31 can be met.
Moreover, the design of the potting adhesive 33 enables structural elements of the side end portion of each cell 31, such as the tab 311 or the side edge of the soft package cell 31, to be covered, so that the side end portion of the cell 31 is protected from corrosion, and the safety risk is reduced.
In another embodiment, the present application provides an electric device including the battery pack of any one of the above embodiments. The electric device may be implemented in various specific forms, for example, in practical application scenarios, the electric device includes, but is not limited to, an electric tool, an unmanned aerial vehicle, an electric cleaning tool, an energy storage product, an electric vehicle, an electric bicycle, an electric navigation tool, and other electronic products.
It will be appreciated by those skilled in the art that the configuration according to the embodiments of the present application can be applied to stationary type electric devices in addition to elements specifically used for mobile purposes.
Since the electric device has the battery pack according to any one of the foregoing embodiments, the electric device can produce advantageous effects of the battery pack according to the corresponding embodiments.
The above description is only a part of the embodiments of the present application, and not intended to limit the scope of the present application, and all equivalent structural changes made by using the contents of the specification and the drawings are included in the scope of the present application.
Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element, and that elements, features, or elements having the same designation in different embodiments may or may not have the same meaning as that of the other elements, and that the particular meaning will be determined by its interpretation in the particular embodiment or by its context in further embodiments.
In addition, although the terms "first, second, third, etc. are used herein to describe various information, such information should not be limited to these terms. These terms are only used to distinguish one type of information from another. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well. The terms "or" and/or "are to be construed as inclusive or meaning any one or any combination. An exception to this definition will occur only when a combination of elements, functions, steps or operations are inherently mutually exclusive in some way.

Claims (15)

1. An interconnector for electrically connecting a battery protection plate and a battery module, comprising:
the flexible flat cable comprises a main cable and a plurality of terminals, wherein the terminals are branched from one end of the main cable, and each terminal is electrically connected with at least one wiring of the main cable and is electrically connected with a tab of an electric core of the battery module;
the terminals are fixed relative to the side face of the insulating hard board;
and the connector is arranged at the other end of the main cable and is electrically connected with the main cable of the flexible flat cable and the battery protection board.
2. The interconnect of claim 1, further comprising a plurality of conductive tabs, one conductive tab connecting one terminal and one tab of the battery module.
3. The interconnection of claim 2, wherein an adhesive is disposed on a side of the dielectric hard plate, and one end of each of the conductive hard plates and one end of the main cable are respectively adhered to the side of the dielectric hard plate by the adhesive.
4. The interconnect of claim 2, further comprising an insulating encapsulant that encapsulates the connection of the terminal and the conductive stiffener.
5. The interconnection of claim 4, wherein the outer side of the terminal is provided with an outer coating, and the insulating encapsulant wraps the outer coating where the terminal and the conductive stiffener are connected.
6. The interconnection of claim 1, wherein the insulating hard plate is further provided with an alignment mark for positioning when the interconnection electrically connects the battery modules.
7. The interconnection of claim 6, wherein the alignment indicia includes at least one notch opening into a side of the dielectric hard plate.
8. A battery pack comprising a battery module, and a battery protection plate, and the interconnector of any one of claims 1 to 7, which electrically connects the battery module and the battery protection plate.
9. The battery pack according to claim 8, wherein the battery pack further comprises a fixing glue wrapping a connection of the connector and the battery protection plate.
10. The battery pack according to claim 8, wherein the battery pack further comprises a housing and a pouring sealant, the housing is formed with a core groove, the core is accommodated in the core groove, a pouring region is arranged between one side of the core, which is provided with the tabs, and a groove wall of the core groove, the insulating hard board and the plurality of terminals are located in the pouring region, and the pouring sealant fills the pouring region and wraps the insulating hard board and the plurality of terminals.
11. An electric device comprises
The battery pack is used for supplying power to the load;
the battery package includes battery module, battery protection shield and interconnect, the interconnect is used for the electricity to connect battery module's electric core and battery protection shield, the interconnect includes:
the flexible flat cable comprises a main cable and a plurality of terminals, wherein the terminals are branched from one end of the main cable, and each terminal is electrically connected with at least one wiring of the main cable and is electrically connected with a tab of an electric core of the battery module;
the terminals are fixed relative to the side face of the insulating hard board;
and the connector is arranged at the other end of the main cable and is electrically connected with the main cable of the flexible flat cable and the battery protection board.
12. The powered device of claim 11, wherein the interconnect further comprises a plurality of conductive tabs, one conductive tab connecting one terminal and one tab of the battery module.
13. The powered device of claim 11, wherein the powered device comprises a power tool, or a drone, or an electric vehicle, or an electric cleaning tool, or an energy storage product.
14. The electric equipment according to claim 12, wherein an adhesive is provided on one side surface of the insulating hard plate, and one end of each of the conductive hard sheets and one end of the main cable are respectively adhered to one side surface of the insulating hard plate through the adhesive.
15. The powered device of claim 12, wherein the interconnect further comprises an insulating encapsulant that encapsulates the connection of the terminal and the conductive stiffener.
CN202022891215.0U 2020-12-01 2020-12-01 Interconnection piece and battery package, consumer Active CN214043919U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022891215.0U CN214043919U (en) 2020-12-01 2020-12-01 Interconnection piece and battery package, consumer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022891215.0U CN214043919U (en) 2020-12-01 2020-12-01 Interconnection piece and battery package, consumer

Publications (1)

Publication Number Publication Date
CN214043919U true CN214043919U (en) 2021-08-24

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Country Status (1)

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GR01 Patent grant