CN110556503A - Battery guide sheet structure - Google Patents

Battery guide sheet structure Download PDF

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Publication number
CN110556503A
CN110556503A CN201810549769.7A CN201810549769A CN110556503A CN 110556503 A CN110556503 A CN 110556503A CN 201810549769 A CN201810549769 A CN 201810549769A CN 110556503 A CN110556503 A CN 110556503A
Authority
CN
China
Prior art keywords
conductive
battery
battery lead
lead structure
sheet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810549769.7A
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Chinese (zh)
Inventor
李天翔
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Celxpert Energy Corp
Original Assignee
Celxpert Energy Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Celxpert Energy Corp filed Critical Celxpert Energy Corp
Priority to CN201810549769.7A priority Critical patent/CN110556503A/en
Publication of CN110556503A publication Critical patent/CN110556503A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/572Means for preventing undesired use or discharge
    • H01M50/574Devices or arrangements for the interruption of current
    • H01M50/581Devices or arrangements for the interruption of current in response to temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00Safety devices for primary or secondary batteries
    • H01M2200/10Temperature sensitive devices
    • 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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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

A battery lead structure comprises a lead body and a plurality of conductive units. The conductive sheet body is in a sheet shape, the conductive units are formed on the conductive sheet body, the conductive units are arranged at intervals, a cutting groove is formed on the periphery of each conductive unit correspondingly, each cutting groove is discontinuously arranged on the periphery of the corresponding conductive unit, at least one connecting part is formed between each conductive unit and the conductive sheet body, and the width of each connecting part is smaller than that of each conductive unit. Therefore, the structure is simple, the production is convenient, and a better protection mechanism can be provided.

Description

Battery guide sheet structure
Technical Field
The present invention relates to a battery lead structure, and more particularly, to a lead structure for electrically connecting a battery module.
Background
With the progress of technology, personalized electronic products are increasing, and in order to improve the practicability of these electronic products, the design tends to be carried about, and batteries also become a main source of power supply. The conventional battery module includes a plurality of batteries (rechargeable batteries), and a plurality of planar sheet-shaped battery leads are disposed at electrode terminals of the batteries, and the battery leads are connected and integrated by other wires, so that the battery module can be electrically connected to other electrical appliances through the wires and provide required electric energy.
However, most of the conventional battery tabs have problems of complicated structure, inconvenient production, etc., and when some batteries are in failure, the electric energy of the good batteries is still conducted to the failed batteries through the battery tabs, so that the failed batteries generate heat energy, even burst or spontaneous combustion. The electrical energy of the faulty battery may also be conducted to the good battery, causing the temperature of the good battery to rise.
disclosure of Invention
the present invention is directed to a battery lead structure, which has a simple structure and is easy to produce, and can provide a better protection mechanism to increase the service life and safety of a battery module.
In order to solve the above technical problem, the present invention provides a battery lead structure, including: a guide vane body, which is in a sheet shape; and a plurality of conductive units, the plurality of conductive units are formed on the conductive sheet body, the plurality of conductive units are arranged at intervals, a cutting groove is correspondingly formed at the periphery of each conductive unit, each cutting groove is discontinuously arranged at the periphery of the corresponding conductive unit, at least one connecting part is respectively formed between each conductive unit and the conductive sheet body, and the width of each connecting part is smaller than that of each conductive unit.
Preferably, the cutting groove is circular, and the conductive unit forms a circular sheet.
Preferably, two connecting parts are respectively formed between each conductive unit and the conductive sheet body, and the two connecting parts are located on two sides of the conductive unit.
Preferably, a first end and a second end are respectively formed at two ends of the connecting portion, the first end of the connecting portion is connected to the guide vane body, and the second end of the connecting portion is connected to the conductive unit.
Preferably, the connecting portion is in the form of a sheet of uniform width.
preferably, each of the plurality of conductive units has at least one protrusion protruding from one surface of the conductive unit, and the electrode terminal of the battery can be welded to the protrusion.
Preferably, each of the plurality of conductive units has at least one shunting groove, and the shunting groove is hollowed out to penetrate through two surfaces of the conductive unit.
Preferably, each of the plurality of conductive units has four of the protrusions, the shunt slot is arranged in the middle of the conductive unit in a straight manner, and two of the protrusions are arranged on two sides of the shunt slot respectively.
Preferably, both ends of the diversion groove are communicated with the cutting groove or are arranged at intervals.
Preferably, the guide vane body is a flat plate, and the guide vane body and the plurality of conductive units are located on the same plane.
The invention has the beneficial effects that:
The battery guide sheet structure comprises a guide sheet body and a plurality of conductive units, wherein the conductive units are formed on the guide sheet body, and the guide sheet body and the conductive units can be punched and formed by utilizing a metal sheet body, so that the structure is simple, and the production is convenient.
At least one connecting part is formed between each conductive unit and the guide sheet body, and the width of each connecting part is smaller than that of each conductive unit, so that when part of batteries are in failure, if the current flowing through the connecting parts is overlarge, the connecting parts can be melted, the current transmission path is interrupted, the electric energy of a good battery cannot be conducted to the failed battery, and the electric energy of the failed battery cannot be conducted to the good battery, so that a better safety mechanism is provided, and the service life and the safety of the battery module are prolonged.
For a better understanding of the nature and technical aspects of the present invention, reference should be made to the following detailed description of the invention, which is to be read in connection with the accompanying drawings, which are provided for purposes of illustration and description and are not intended to be limiting.
Drawings
Fig. 1 is a perspective view of a first embodiment of a battery lead structure according to the present invention.
Fig. 2 is a plan view of a first embodiment of a battery lead structure according to the present invention.
Fig. 3 is a perspective view showing a state in which the battery lead structure according to the first embodiment of the present invention is used.
Fig. 4 is a perspective view of a second embodiment of a battery lead structure according to the present invention.
Fig. 5 is a plan view of a second embodiment of a battery lead structure according to the present invention.
Fig. 6 is a perspective view of a third embodiment of a battery lead structure according to the present invention.
Fig. 7 is a plan view of a third embodiment of a battery lead structure according to the present invention.
Detailed Description
[ first embodiment ]
Referring to fig. 1 and 2, the present invention provides a battery lead structure, which is made of conductive metal (such as copper) or alloy thereof, and includes a lead body 1 and a plurality of conductive units 2, where the lead body 1 is in a sheet shape, preferably, the lead body 1 is a flat plate, and the lead body 1 and the plurality of conductive units 2 may be located on the same plane (coplanar), but not limited thereto, for example, the plurality of conductive units 2 may also protrude from one surface of the lead body 1, so that the lead body 1 and the plurality of conductive units 2 are located on different planes.
The number of the conductive units 2 is not limited, and can be increased or decreased as needed. The conductive units 2 are formed on the conductive sheet body 1, that is, the conductive units 2 and the conductive sheet body 1 are integrally formed. The plurality of conductive elements 2 are arranged at intervals, the plurality of conductive elements 2 may be arranged in a plurality of rows, and two adjacent rows of conductive elements 2 may be staggered or arranged oppositely, however, the arrangement of the conductive elements 2 is not limited.
The periphery of each conductive unit 2 is provided with a cutting groove 3 for separating the conductive unit 2 from the conductive sheet body 1, and the cutting grooves 3 are hollowed and removed structures, so that the cutting grooves 3 are hollowed and penetrate through two surfaces of the battery conductive sheet structure. The cut groove 3 may have a circular ring shape or other shapes so that the conductive unit 2 forms a corresponding circular or other-shaped sheet, in this embodiment, the conductive unit 2 forms a circular sheet so as to correspond to a cylindrical battery, however, the shape of the conductive unit 2 is not limited.
Each cutting groove 3 is discontinuously disposed on the periphery of the corresponding conductive element 2, so that at least one connection portion 4 is formed between each conductive element 2 and the conductive sheet body 1, and the width W1 of the connection portion 4 is smaller than the width W2 of the conductive element 2. The number of the connecting portions 4 between the conductive elements 2 and the conductive sheet body 1 is not limited, and may be one, or two, three, or more, in this embodiment, two connecting portions 4 are formed between the conductive elements 2 and the conductive sheet body 1, the two connecting portions 4 are located at two sides of the conductive elements 2, and each conductive element 2 is connected to the conductive sheet body 1 by the two connecting portions 4.
A first end 41 and a second end 42 can be formed at two ends of the connecting portion 4, the first end 41 of the connecting portion 4 is connected to the guide vane body 1, and the second end 42 of the connecting portion 4 is connected to the conductive unit 2. In the embodiment, the connecting portion 4 may be a square sheet with an equal width, but the shape of the connecting portion 4 is not limited, for example, the connecting portion 4 may also be a sheet with an unequal width or other shapes.
Further, each of the conductive units 2 has at least one protrusion 21, in this embodiment, each of the conductive units 2 has a plurality of (four) protrusions 21, the protrusions 21 protrude from a surface of the conductive unit 2 close to the battery, the protrusions 21 may be in a dot shape or other shapes, and the protrusions 21 may serve as solder points, so that the electrode terminals of the battery can be connected to the protrusions 21 by welding (spot welding) or the like, and the electrode terminals of the battery can be electrically connected to the conductive unit 2.
Furthermore, each of the conductive units 2 has at least one shunting groove 22 for current shunting, the shunting grooves 22 are hollowed out, and the shunting grooves 22 are hollowed out and penetrate through two sides of the conductive unit 2. In this embodiment, the diversion trench 22 is straight and is disposed in the middle of the conductive unit 2, two ends of the diversion trench 22 are close to the cutting trench 3, so that two ends of the diversion trench 22 and the cutting trench 3 are disposed at an interval, and two sides of the diversion trench 22 are respectively provided with two protrusions 21. The shape and the installation position of the diversion trench 22 are not limited, and may be changed according to the need, for example, the diversion trench 22 may be in various shapes such as a cross shape.
As shown in fig. 3, the conductive unit 2 may be disposed at the electrode terminals 51 of the batteries 5, and the electrode terminals 51 of the batteries 5 are respectively overlapped with the conductive unit 2, in this embodiment, the electrode terminals 51 of the batteries 5 are respectively welded to the protrusions 21 of the conductive unit 2, so that the electrode terminals 51 of the batteries 5 and the conductive unit 2 are conducted, and the plurality of batteries 5 may be connected in parallel or in series. The plurality of batteries 5 together form a battery module, and the battery module can be electrically connected with other electrical appliances to provide required electric energy.
[ second embodiment ]
Referring to fig. 4 and 5, the present embodiment is substantially the same as the first embodiment, and the difference is that in the present embodiment, the shunt slot 22 is straightly disposed in the middle of the conductive unit 2, and two ends of the shunt slot 22 extend to the cutting slot 3, so that two ends of the shunt slot 22 are communicated with the cutting slot 3.
[ third embodiment ]
Referring to fig. 6 and 7, the battery lead structure of the present embodiment also includes a lead body 1 and a plurality of conductive units 2, which is substantially the same as the first embodiment, but in the present embodiment, a connection portion 4 is formed between each conductive unit 2 and the lead body 1, the connection portion 4 is located at one side of the conductive unit 2, and each conductive unit 2 is connected to the lead body 1 by only a single connection portion 4.
The invention has the characteristics and functions that:
The battery guide sheet structure comprises a guide sheet body and a plurality of conductive units, wherein the conductive units are formed on the guide sheet body, and the guide sheet body and the conductive units can be punched and formed by utilizing a metal sheet body, so that the structure is simple, and the production is convenient. Furthermore, at least one connecting part is formed between each conductive unit and the guide sheet body, and the width of each connecting part is smaller than that of each conductive unit, so that when part of batteries are in failure, if the current flowing through the connecting parts is overlarge, the connecting parts can be melted, the current transmission path is interrupted, the electric energy of a good battery cannot be conducted to the failed battery, and the electric energy of the failed battery cannot be conducted to the good battery, so that a better protection mechanism is provided, and the service life and the safety of the battery module are prolonged.
However, the above description is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention, so that equivalent variations using the contents of the present specification and the drawings are included in the scope of the present invention.

Claims (10)

1. A battery lead structure, comprising:
A guide vane body, which is in a sheet shape; and
The conductive units are formed on the conductive sheet body and arranged at intervals, cutting grooves are correspondingly formed on the peripheries of the conductive units, each cutting groove is discontinuously arranged on the periphery of the corresponding conductive unit, at least one connecting part is formed between each conductive unit and the conductive sheet body, and the width of each connecting part is smaller than that of each conductive unit.
2. The battery lead structure of claim 1, wherein the cutting groove is circular and the conductive unit forms a circular sheet.
3. The battery lead structure of claim 1, wherein two connecting portions are formed between each conductive element and the lead body, and the two connecting portions are located at two sides of the conductive element.
4. The battery lead structure of claim 1, wherein the connecting portion has a first end and a second end at two ends thereof, the first end of the connecting portion is connected to the lead body, and the second end of the connecting portion is connected to the conductive element.
5. The battery lead structure of claim 4, wherein the connecting portion is a sheet of uniform width.
6. The battery lead structure of claim 1, wherein each of the plurality of conductive elements has at least one projection projecting from one side of the conductive element, and the electrode terminals of the battery are connected to the projections by welding.
7. The battery lead structure of claim 6, wherein each of the plurality of conductive elements has at least one shunt slot, and the shunt slot is hollowed out to penetrate through both sides of the conductive element.
8. The battery lead structure of claim 7, wherein each of the plurality of conductive elements has four of said protrusions, the shunt slot is disposed straight in the middle of the conductive element, and two of said protrusions are disposed on either side of the shunt slot.
9. The battery lead structure of claim 7, wherein the two ends of the shunt slot are communicated with the cutting slot or spaced apart from each other.
10. The battery lead structure of claim 1, wherein the lead body is a flat plate, and the lead body and the plurality of conductive elements are located on the same plane.
CN201810549769.7A 2018-05-31 2018-05-31 Battery guide sheet structure Pending CN110556503A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810549769.7A CN110556503A (en) 2018-05-31 2018-05-31 Battery guide sheet structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810549769.7A CN110556503A (en) 2018-05-31 2018-05-31 Battery guide sheet structure

Publications (1)

Publication Number Publication Date
CN110556503A true CN110556503A (en) 2019-12-10

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ID=68735222

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810549769.7A Pending CN110556503A (en) 2018-05-31 2018-05-31 Battery guide sheet structure

Country Status (1)

Country Link
CN (1) CN110556503A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150050531A1 (en) * 2012-03-05 2015-02-19 Husqvarna Ab Battery cell connector
CN204333084U (en) * 2014-12-05 2015-05-13 赛恩斯能源科技有限公司 Power battery pack and protection conductive plate thereof
CN205921024U (en) * 2016-07-29 2017-02-01 广东亿纬赛恩斯新能源系统有限公司 Cylinder manifold for battery
CN106450128A (en) * 2016-10-18 2017-02-22 许继电源有限公司 Battery group and electrode current piece thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150050531A1 (en) * 2012-03-05 2015-02-19 Husqvarna Ab Battery cell connector
CN204333084U (en) * 2014-12-05 2015-05-13 赛恩斯能源科技有限公司 Power battery pack and protection conductive plate thereof
CN205921024U (en) * 2016-07-29 2017-02-01 广东亿纬赛恩斯新能源系统有限公司 Cylinder manifold for battery
CN106450128A (en) * 2016-10-18 2017-02-22 许继电源有限公司 Battery group and electrode current piece thereof

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Application publication date: 20191210