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CN110176570A - A kind of compound confluence piece for battery modules - Google Patents

A kind of compound confluence piece for battery modules Download PDF

Info

Publication number
CN110176570A
CN110176570A CN201910417239.1A CN201910417239A CN110176570A CN 110176570 A CN110176570 A CN 110176570A CN 201910417239 A CN201910417239 A CN 201910417239A CN 110176570 A CN110176570 A CN 110176570A
Authority
CN
China
Prior art keywords
steel disc
flange
battery modules
solder
bump
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.)
Withdrawn
Application number
CN201910417239.1A
Other languages
Chinese (zh)
Inventor
许玉林
龚晓冬
王爱淑
张旭
万向辉
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.)
Suzhou Ankao Energy Co Ltd
Original Assignee
Suzhou Ankao Energy Co Ltd
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 Suzhou Ankao Energy Co Ltd filed Critical Suzhou Ankao Energy Co Ltd
Priority to CN201910417239.1A priority Critical patent/CN110176570A/en
Publication of CN110176570A publication Critical patent/CN110176570A/en
Withdrawn legal-status Critical Current

Links

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
    • H01M50/502Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R25/00Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits
    • H01R25/16Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/62Connections between conductors of different materials; Connections between or with aluminium or steel-core aluminium conductors
    • 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

This application discloses a kind of compound confluence pieces for battery modules, including steel disc, the solder-bump that punching has several downwardly projecting on the steel disc, it further include the aluminium flake being arranged on the upside of the steel disc that reclines, several flanging bores routed up downwards are formed on the aluminium flake, perforation is provided with several keying aperture on the steel disc, the hole wall of the keying aperture has radially inwardly projecting tooth engaged, the flange of the flanging bore protrudes into the keying aperture, by the flange for being inserted into flanging bore described in the expansion device radial compression of the flanging bore, so that the flange radial outward dilations deformation, so that the tooth engaged bites the flange.This compound confluence chip architecture of the application is simple, easy to make, cheap, and has very strong overcurrent capability.

Description

A kind of compound confluence piece for battery modules
Technical field
This application involves a kind of compound confluence pieces for battery modules.
Background technique
Battery modules mainly by numerous battery cells and support battery clamp (or the battery branch of these battery cells Frame) it constitutes, numerous battery plug-in openings in matrix dress distribution are wherein provided on battery clamp, the end insertion of battery cell is aforementioned It is connect in battery plug-in opening and with the electric conductor being inlaid in battery plug-in opening, to realize the string between each battery cell and company It connects.
In order to draw the voltage (or electric current) of the total anode of battery modules and total negative terminal outward, need most to hold in battery modules The lateral surface arrangement confluence piece of side battery clamp, positive end face (or the cathode end face) welding of confluence piece and more battery cells are solid It is fixed to be converged with realizing.Because the end face (positive end face or cathode end face) of battery cell is located inside battery plug-in opening (not with battery Fixture lateral surface is concordant), therefore need in confluence on piece punching boss, assembly, the boss on piece of converging protrudes into battery plug-in opening In be welded and fixed with the battery end-face in hole.
Because battery end-face is steel, the welding of confluence piece and battery end-face, the piece that guarantees to converge simultaneously are with good for convenience Conveyance capacity, traditional confluence piece is usually combined by steel disc and copper sheet double-layer structure.Wherein, punching and battery on steel disc The protrusion of end face welding, copper sheet and steel disc recline arrangement and the two is welded and fixed.
However, the price of copper is very high, and the welding of copper sheet and steel disc needs consuming a large amount of artificial.Steel disc is used alone to make For the piece that converges, conveyance capacity is poor, if promoting its conveyance capacity by increasing steel plate thickness, and is difficult to the punching on thick steel disc Protrusion, and thicker steel disc is difficult to weld with battery end-face.
Summary of the invention
The purpose of the application, is: in view of the above-mentioned problems, propose a kind of compound confluence piece for battery modules, structure letter It is single, easy to make, cheap, and there is very high overcurrent capability.
The technical solution of the application is:
A kind of compound confluence piece for battery modules, including steel disc, punching has several downwardly projecting on the steel disc Solder-bump, further include the aluminium flake being arranged on the upside of the steel disc that reclines, be formed with what several were routed up downwards on the aluminium flake Flanging bore, perforation is provided with several keying aperture on the steel disc, and the hole wall of the keying aperture is stung with radially inwardly projecting Tooth is closed, the flange of the flanging bore protrudes into the keying aperture, by the expansion device radial compression institute for being inserted into the flanging bore The flange of flanging bore is stated, so that the flange radial outward dilations deform, so that the tooth engaged bites the flange.
The application further includes following preferred embodiment based on the above technical solution:
The tooth engaged is pointed tooth.
Each solder-bump is in rectangular distribution on the steel disc.
Each solder-bump periphery is arranged at least three keying aperture.
Each solder-bump periphery is arranged with six keying aperture, and this six keying aperture surround the weldering Connect raised uniform intervals arrangement.
It is formed on the aluminium sheet and each one-to-one through-hole in solder-bump position.
The advantages of the application, is:
1, the confluence piece piece of the application is combined by steel disc and aluminium flake, not only facilitates the welding of itself and battery steel end face It is fixed, while there is very strong overcurrent capability.
2, steel disc and aluminium flake are mechanically fixed to each other using the flanging bore with flange and the keying aperture with biting teeth, structure Simply, easy to make, without welding (steel and aluminium are difficult to solder to).
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to required use in embodiment description Attached drawing be briefly described, the drawings in the following description are only some examples of the present application, skill common for this field For art personnel, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the decomposition texture schematic diagram of compound confluence piece in the embodiment of the present application;
Fig. 2 is the portion the X1 enlarged drawing of Fig. 1;
Fig. 3 is the portion the X2 enlarged drawing of Fig. 1;
Wherein: 1- steel disc, 101- solder-bump, 102- keying aperture, 102a- tooth engaged, 2- aluminium flake, 201- flanging bore, 201a- flange, 202- through-hole.
Specific embodiment
The application is described in further detail below by specific embodiment combination attached drawing.The application can be with a variety of Different forms is realized, however it is not limited to embodiment described in the present embodiment.The purpose of following specific embodiments is provided It is easy for becoming apparent from present disclosure thorough explanation, wherein the words of the indicating positions such as upper and lower, left and right is only needle To shown structure in respective figure for position.
However, those skilled in the art may be aware that one or more detail description can be by Omit, or can also adopt with other methods, component or material.In some instances, some embodiments are not described Or it is not described later in detail.
In addition, technical characteristic described herein, technical solution can also be in one or more embodiments arbitrarily to close Suitable mode combines.For those skilled in the art, it should be readily appreciated that method related with embodiment provided herein Step or operation order can also change.Therefore, any sequence in drawings and examples is merely illustrative purposes, not secretly Show requirement in a certain order, is required unless expressly stated according to a certain sequence.
It is herein component institute serialization number itself, such as " first ", " second " etc., is only used for distinguishing described object, Without any sequence or art-recognized meanings.And " connection ", " connection " described in the application, unless otherwise instructed, include directly and It is indirectly connected with (connection).
Fig. 1 to Fig. 3 shows a this specific embodiment for the compound confluence piece of battery modules of the application, with tradition The piece that converges is identical to be, which also includes a steel disc 1, the steel disc 1 approximate horizontal arrangement in Fig. 1, there is punching on steel disc 1 Multiple downwardly projecting solder-bumps 101 for being welded and fixed with battery end-face in battery modules.In view of most of batteries Battery cell in mould group is all at rectangular arrangement, so each solder-bump 101 in the present embodiment is also in square on steel disc 1 Battle array shape distribution.
The key improvements of the present embodiment are that the compound confluence piece, which is also configured with to recline, is arranged in aforementioned 1 upside of steel disc Aluminium flake 2.Multiple flanging bores 201 for routing up (i.e. the flange of flanging bore extends downwardly) downwards are formed on aforementioned aluminium flake.It is passed through on steel disc 1 Logical to be provided with multiple keying aperture 102, the hole wall of each keying aperture 102 is formed with radially inwardly projecting tooth engaged 102a.Before The flange 201a for stating flanging bore 201 is protruded into aforementioned keying aperture 102, and by the expansion device of insertion flanging bore 201 it is radial to The outer flange 201a for squeezing flanging bore 201, so that flange 201a radial outward dilations deform, when flange 201a expands radially outward It can be contacted with the tooth engaged 102a in outside during opening deformation, because tooth engaged 102a is the steel of high rigidity, and flanging bore The flange of 201a is the lower aluminum of hardness, so tooth engaged 102a can bite inside flange 201a, thus make flange 201a with Tooth engaged 102a occlusion is fixed, and such realization upside aluminium flake 2 is fixedly connected with downside steel disc 1.
In order to promote the occlusal ability of above-mentioned tooth engaged 102a, sharp pointed tooth structure preferably is set by tooth engaged 102.
Six keying aperture 102 are arranged in above-mentioned 101 periphery of each solder-bump, and this six keying aperture 102 are around weldering Connect raised 101 uniform intervals arrangement.
Flatness in view of steel disc 1 in 101 position of solder-bump (upper surface) is poor, if aluminium flake 2 is set at this position It is set to solid construction, aluminium flake 2 on earth and the compactness of steel disc 1 is poor.So having opened up multiple through-holes on the present embodiment aluminium sheet 2 202, these through-holes 202 are also corresponded in rectangular arrangement and in the position of solder-bump 101 each on steel disc 1.And What this structure decreased aluminium flake uses material.
Above-described embodiment is only the technical concepts and features for illustrating the application, and its object is to allow people that can understand this Shen Content please is simultaneously implemented accordingly, and the protection scope of the application can not be limited with this.It is all according to the application main technical schemes The equivalent transformation or modification that Spirit Essence is done should all be covered within the scope of protection of this application.

Claims (6)

1. a kind of compound confluence piece for battery modules, including steel disc (1), punching has several downwards on the steel disc (1) The solder-bump (101) of protrusion, which is characterized in that it further include the aluminium flake (2) being arranged on the upside of the steel disc (1) that reclines, it is described Several flanging bores (201) routed up downwards are formed on aluminium flake (2), perforation is provided with several keying aperture on the steel disc (1) (102), the hole wall of the keying aperture (102) has radially inwardly projecting tooth engaged (102a), and flanging bore (201) are turned over Side (201a) is protruded into the keying aperture (102), is turned over described in the expansion device radial compression of the flanging bore (201) by being inserted into The flange (201a) of lateral opening (201), so that the flange (201a) radial outward dilations deform, so that the tooth engaged (102a) bites the flange (201a).
2. the compound confluence piece according to claim 1 for battery modules, which is characterized in that the tooth engaged (102a) For pointed tooth.
3. the compound confluence piece according to claim 1 for battery modules, which is characterized in that each solder-bump It (101) is in rectangular distribution on the steel disc (1).
4. the compound confluence piece according to claim 1 for battery modules, which is characterized in that each solder-bump (101) periphery is arranged at least three keying aperture (102).
5. the compound confluence piece according to claim 1 for battery modules, which is characterized in that each solder-bump (101) periphery is arranged with six keying aperture (102), and this six keying aperture (102) surround the solder-bump (101) uniform intervals are arranged.
6. the compound confluence piece according to claim 1 for battery modules, which is characterized in that made on the aluminium sheet (2) Have and the one-to-one through-hole in each solder-bump (101) position (202).
CN201910417239.1A 2019-05-20 2019-05-20 A kind of compound confluence piece for battery modules Withdrawn CN110176570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910417239.1A CN110176570A (en) 2019-05-20 2019-05-20 A kind of compound confluence piece for battery modules

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910417239.1A CN110176570A (en) 2019-05-20 2019-05-20 A kind of compound confluence piece for battery modules

Publications (1)

Publication Number Publication Date
CN110176570A true CN110176570A (en) 2019-08-27

Family

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Family Applications (1)

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Country Status (1)

Country Link
CN (1) CN110176570A (en)

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009156783A1 (en) * 2008-06-27 2009-12-30 Shu yue guang A magnetically permeable composite pan
CN104332724A (en) * 2014-10-24 2015-02-04 江苏万奇电器集团有限公司 Copper-aluminum abutting and lap joint type conducting bar
DE102014111369A1 (en) * 2014-08-08 2016-02-11 Lisa Dräxlmaier GmbH DEVICE FOR ELECTRIC CONNECTION OF MULTIPLE ROUND CELLS AND BATTERY BASED THEREFROM
CN205050907U (en) * 2015-08-19 2016-02-24 沈翠珊 Piece that converges that many group batteries were used
CN107732050A (en) * 2016-08-10 2018-02-23 深圳市沃特玛电池有限公司 Battery modules
CN107732123A (en) * 2017-10-16 2018-02-23 台州星辉光电科技有限公司 A kind of new energy battery pack connecting plate
CN207183731U (en) * 2017-09-11 2018-04-03 河南奔马股份有限公司 A kind of current carrying lug and the battery using the current carrying lug
US20180294449A1 (en) * 2017-04-07 2018-10-11 Optimum Battery Co., Ltd. Current collecting board and power battery assembly using same
CN109075281A (en) * 2017-01-19 2018-12-21 株式会社Lg化学 Battery pack including electrode terminal connecting plate
CN208400889U (en) * 2018-07-06 2019-01-18 奥波环境新能源(无锡)有限公司 A kind of battery modules and battery pack
CN208423044U (en) * 2018-08-06 2019-01-22 江苏正昀新能源技术有限公司 A kind of compound confluence piece of battery modules anode
CN208433451U (en) * 2018-07-31 2019-01-25 河南森源重工有限公司 A kind of cylinder manifold and battery modules
KR20190051885A (en) * 2017-11-07 2019-05-15 신흥에스이씨주식회사 Battery pack for energy storage system
CN210778783U (en) * 2019-05-20 2020-06-16 苏州安靠电源有限公司 Composite bus bar for battery module

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009156783A1 (en) * 2008-06-27 2009-12-30 Shu yue guang A magnetically permeable composite pan
DE102014111369A1 (en) * 2014-08-08 2016-02-11 Lisa Dräxlmaier GmbH DEVICE FOR ELECTRIC CONNECTION OF MULTIPLE ROUND CELLS AND BATTERY BASED THEREFROM
CN104332724A (en) * 2014-10-24 2015-02-04 江苏万奇电器集团有限公司 Copper-aluminum abutting and lap joint type conducting bar
CN205050907U (en) * 2015-08-19 2016-02-24 沈翠珊 Piece that converges that many group batteries were used
CN107732050A (en) * 2016-08-10 2018-02-23 深圳市沃特玛电池有限公司 Battery modules
CN109075281A (en) * 2017-01-19 2018-12-21 株式会社Lg化学 Battery pack including electrode terminal connecting plate
US20180294449A1 (en) * 2017-04-07 2018-10-11 Optimum Battery Co., Ltd. Current collecting board and power battery assembly using same
CN207183731U (en) * 2017-09-11 2018-04-03 河南奔马股份有限公司 A kind of current carrying lug and the battery using the current carrying lug
CN107732123A (en) * 2017-10-16 2018-02-23 台州星辉光电科技有限公司 A kind of new energy battery pack connecting plate
KR20190051885A (en) * 2017-11-07 2019-05-15 신흥에스이씨주식회사 Battery pack for energy storage system
CN208400889U (en) * 2018-07-06 2019-01-18 奥波环境新能源(无锡)有限公司 A kind of battery modules and battery pack
CN208433451U (en) * 2018-07-31 2019-01-25 河南森源重工有限公司 A kind of cylinder manifold and battery modules
CN208423044U (en) * 2018-08-06 2019-01-22 江苏正昀新能源技术有限公司 A kind of compound confluence piece of battery modules anode
CN210778783U (en) * 2019-05-20 2020-06-16 苏州安靠电源有限公司 Composite bus bar for battery module

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Application publication date: 20190827

WW01 Invention patent application withdrawn after publication