CN207909955U - A kind of lithium ion battery accumulation power supply module - Google Patents

A kind of lithium ion battery accumulation power supply module Download PDF

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Publication number
CN207909955U
CN207909955U CN201820424170.6U CN201820424170U CN207909955U CN 207909955 U CN207909955 U CN 207909955U CN 201820424170 U CN201820424170 U CN 201820424170U CN 207909955 U CN207909955 U CN 207909955U
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China
Prior art keywords
battery core
battery
nickel plate
hole
welding
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CN201820424170.6U
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Chinese (zh)
Inventor
王珑
敬永康
翟东波
赵建元
黄永康
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QINGHAI LYUCAODI NEW ENERGY TECHNOLOGY Co Ltd
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QINGHAI LYUCAODI NEW ENERGY TECHNOLOGY Co 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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  • Connection Of Batteries Or Terminals (AREA)
  • Secondary Cells (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The utility model discloses a kind of lithium ion battery accumulation power supply modules, include shell, battery core and holder, and the anode of battery core is connect with a nickel plate, and cathode is then connect with another nickel plate;The surface of two nickel plates is respectively equipped with cylinder manifold, and cylinder manifold is connect with positive terminal and negative terminal respectively;Heat conduction colloid is filled in shell;Two stands have been covered with battery core corresponding with battery core hole, and each battery core is fixed by battery core hole;The inner surface of two nickel plates, which is covered with, welding bench, and battery core is with welding bench by being welded and fixed.The utility model passes through packaging electric core in the housing, filling heat-conductive colloidal silica at gap wherein, the heat that battery core generates can run through thermal conductive silicon colloid and conduct to shell to be exchanged with extraneous, the accidents such as prevents the explosion caused by short circuit, overheat etc., burns, corrodes;Nickel plate is designed as full slice system structure, and nickel plate is evenly distributed between making battery, and contact area is big, and corresponds to welding battery position in whole nickel plate and be provided with punching press location hole, keeps welding more convenient.

Description

A kind of lithium ion battery accumulation power supply module
Technical field
The utility model is related to energy-storage battery technical fields, and in particular to a kind of storage can be used as electric vehicle and DC power supply The lithium ion battery class accumulation power supply module of energy power supply.
Background technology
Lithium ion battery power module generally use series, parallel combination is connected with conducting wire, generally uses nickel-plated steel Band is separately connected the positive and negative anodes of lithium ion battery by welding.But in series system, system battery group electricity is with minimum Module electricity subject to, some module electricity reduce, although other modules also have electricity, can not continue to power.Thus, lithium Ion battery power module generally use parallel way, any group of battery may be implemented to fill entirely and put entirely, utmostly tribute Offer electricity.
Since lithium ion battery power module will produce many heats at work, and current lithium battery source module exists There is also many unreasonable places for heat radiation structure design, and there are security risks, once occur such as phenomena such as battery core internal short-circuit just It can cause the danger such as battery catches fire, explosion, to cause sudden hurt accident, damage equipment and injury operating personnel.
In addition, the nickel sheet of traditional lithium battery source module uses single string fragment form, pass through strip nickel sheet again between nickel sheet Connection, causes nickel sheet contact area small, can not pass through larger current;And the nickel sheet of fragment form is in the production of power module It needs that each nickel sheet is placed on battery successively in journey and welds, can not be accurately positioned, lead to that nickel sheet gap is uneven, the time-consuming expense of welding Power.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of simple in structure, safety higher, quality are more reliable, scattered Hot property is more preferable, production operation is more simple, the higher lithium ion battery accumulation power supply module of production efficiency.
In order to solve the above technical problems, the utility model adopts the following technical solution:A kind of lithium ion battery accumulation power supply Module, it is characterised in that:Include shell, battery core and holder, holder is installed on enclosure interior, and several battery cores are installed on two stands Between;The anode of each battery core is connect with a nickel plate, and cathode then connect with another nickel plate and combines battery module;In two nickel plates Surface is respectively equipped with several cylinder manifolds, and each cylinder manifold connect the output knot to form battery module with positive terminal and negative terminal respectively Structure;Heat conduction colloid is filled in shell, between heat conduction colloid riddles battery core, each battery core is embedded into the formation pair in heat conduction colloid The heat dissipation of battery core and safeguard structure;Two stands structure is identical, has been covered with battery core corresponding with battery core hole, the anode one of each battery core End is inserted in the battery core hole of same holder, and cathode one end is then inserted in the battery core hole of another holder, passes through the electricity of two stands Each battery core is fixed in core bore;Two nickel plate structures are identical, and position and quantity and the battery core of holder are covered in its inner surface The corresponding welding bench in hole, welding bench are protruded towards battery core direction, by being welded and fixed between battery core and welding bench, formed battery core with The connection structure of nickel plate.Whole nickel plate is an integral structure, and using full slice system nickel plate, length and width, thickness are uniform, and electric current is circulating When be evenly distributed, and nickel plate connection area is big, can pass through high current.
Further, being covered in the outer surface of nickel plate has location hole, the position phase of the position of location hole and the welding bench Mutually alignment is equipped with welding hole in welding bench, is welded across welding hole to battery core along location hole.It only need to be by nickel when assembly Plate is placed on battery corresponding position, eliminates the process that traditional fragment is placed, improves positioning accuracy and the life of nickel plate and battery core Efficiency is produced, and the location hole in nickel plate plays fixed function, facilitates positioning in welding, avoids welding partially.
Further, the surface of each nickel plate is respectively provided with two pieces of cylinder manifolds, and two pieces of cylinder manifolds are provided spaced, positive terminal It is connect respectively with the cylinder manifold in two pieces of nickel plates by the output line that converges with negative terminal.
Further, voltage acquisition line and temperature acquisition line, voltage acquisition line and temperature have also been picked out from battery module Degree gathering line, positive terminal and negative terminal fixation are covered and are stretched out in except the end cap at one end, and end cap is fixed on opening for shell The sealing structure to enclosure interior is formed at mouthful.
Further, sealing structure is bolted into end cap in positive terminal and negative terminal respectively;Have on end cap straight Diameter is the through-hole of 12.5mm, and voltage acquisition line and temperature acquisition line are pierced by from the through-hole;The end cap uses cold-rolled steel sheet system At.
Further, several fixed columns are equipped in the outer surface of holder, the nickel plate is fixed on holder by fixed column On, fixed column protrudes from the surface of nickel plate, and cylinder manifold is fixed on the surface of nickel plate by the protrusion part of fixed column;Fixed column after The continuous surface for protruding from cylinder manifold is connected and fixed with shell.
Further, battery core is 18650 type battery cores, and each battery module is equipped with 160 18650 battery cores altogether, and all It is connected using parallel way, the voltage of the battery module of formation is 3.7V, capacity 320Ah.
Further, the nickel plate and battery core are solid using welding manners such as laser welding, energy storage welding or ultrasonic bonding Fixed, nickel plate is connect with cylinder manifold using welding manners such as soldering, laser welding or ultrasonic bondings.
Preferably, there are the upper and lower surface of shell 3 pairs of symmetrical raised lines, shell to be made of cold-rolled steel sheet, raised line By the top and bottom punch forming in shell, the reinforcement structure of shell is formed.
Further, the heat conduction colloid is heat conductive silica gel, is in the storage position two kinds of components of AB, when use by A, Two component equal proportions of B are mixed, and fill in battery gap.It can be coagulated the short time under room temperature for solid-state structure, thermal coefficient height Shell can be conducted heat to, good heat dissipation effect so may be implemented.
The utility model is by packaging electric core in the housing, filling heat-conductive colloidal silica at gap wherein so that all electricity Core is immersed, and the heat that battery core generates can run through thermal conductive silicon colloid and conduct to shell to be exchanged with extraneous, and prevention is because short The accidents such as explosion caused by road, overheat etc., burning, corrosion;And lithium-ion electric core uses parallel way to connect completely in module, it can The function of putting entirely is filled to realize entirely;Meanwhile nickel plate is designed as full slice system structure, nickel plate is evenly distributed between making battery, contact area Greatly, and correspond to welding battery position in whole nickel plate and be provided with punching press location hole, solve nickel not prison welding, poor location, The problems such as stress retained after nickel strap welding, also makes welding more convenient.
Description of the drawings
Fig. 1 is the utility model overall structure diagram;
Fig. 2 is that the utility model removes the structural schematic diagram after shell;
Fig. 3 is the decomposition texture schematic diagram of the utility model;
Fig. 4 is nickel plate structural schematic diagram.
In figure, 1 is shell, and 11 be raised line, and 2 be end cap, and 31 be positive terminal, and 32 be negative terminal, and 4 be cylinder manifold, and 5 be electricity Core, 6 be nickel plate, and 61 be location hole, and 62 be welding bench, and 63 be welding hole, and 7 be holder, and 71 be battery core hole, and 72 be fixed column, and 8 are Converge output line, and 9 be voltage acquisition line and temperature acquisition line.
Specific implementation mode
In the present embodiment, referring to Fig.1, Fig. 2, Fig. 3 and Fig. 4, the lithium ion battery accumulation power supply module, includes shell 1, battery core 5 and holder 7, holder 7 are installed on inside shell 1, and several battery cores 5 are installed between two stands 7;The anode of each battery core 5 It is connect with a nickel plate 6, cathode then connect with another nickel plate 6 and combines battery module;If being respectively equipped on the surface of two nickel plates 6 Dry cylinder manifold 4, each cylinder manifold 4 connect the export structure to form battery module with positive terminal 31 and negative terminal 32 respectively;In shell Heat conduction colloid (not shown) is filled in body 1, between heat conduction colloid riddles battery core 5, each battery core 5 is embedded into the shape in heat conduction colloid The heat dissipation of pairs of battery core 5 and safeguard structure;7 structure of two stands is identical, has been covered with battery core corresponding with battery core 5 hole 71, each electricity Positive one end of core 5 is inserted in the battery core hole 71 of same holder 7, and cathode one end is then inserted in the battery core hole of another holder 7 71, each battery core 5 is fixed by the battery core hole 71 of two stands 7;The structure of two nickel plates 6 is identical, is covered in its inner surface Have position and quantity a welding bench 62 corresponding with the battery core hole 71 of holder 7, welding bench 62 is protruded towards 5 direction of battery core, battery core 5 with By being welded and fixed between welding bench 62, the connection structure of battery core 5 and nickel plate 6 is formed.Whole nickel plate 6 is an integral structure, and is adopted With full slice system nickel plate, length and width, thickness are uniform, and electric current is evenly distributed in circulation, and the connection area of nickel plate 6 is big, can pass through High current.
Being covered in the outer surface of nickel plate 6 has location hole 61, and the position of location hole 61 and the position of the welding bench 62 are mutual Alignment, the top of welding bench 62 is exactly location hole 61, and welding hole 63 is equipped in welding bench 62, along location hole 61 across welding Hole 63 is welded by battery core 5.Only nickel plate 6 need to be placed on battery corresponding position when assembly, eliminate what traditional fragment was placed Process improves the positioning accuracy and production efficiency of nickel plate 6 and battery core 5, and the location hole 61 in nickel plate 6 plays fixed function, Facilitate positioning when welding, avoids welding partially.
The surface of each nickel plate 6 is respectively provided with two pieces of cylinder manifolds 4, and two pieces of cylinder manifolds 4 are provided spaced, positive terminal 31 and negative Pole 32 is connect by the output line 8 that converges with the cylinder manifold 4 in two pieces of nickel plates 6 respectively.
Voltage acquisition line and temperature acquisition line 9, voltage acquisition line and temperature acquisition line have also been picked out from battery module 9, positive terminal 31 and negative terminal 32 are fixed on lid 2 at one end and are stretched out in except the end cap 2, and end cap 2 is fixed on opening for shell 1 It is formed to the sealing structure inside shell 1 at mouthful.
Sealing structure is bolted into end cap 2 in positive terminal 31 and negative terminal 32 respectively;Have on end cap 2 a diameter of The through-hole of 12.5mm, voltage acquisition line and temperature acquisition line 9 are pierced by from the through-hole;The end cap 2 is made of cold-rolled steel sheet.
Several fixed columns 72 are equipped in the outer surface of holder 7, nickel plate 6 is fixed on by fixed column 72 on holder 7, fixed Column 72 protrudes from the surface of nickel plate 6, and cylinder manifold 4 is fixed on the surface of nickel plate 6 by the protrusion part of fixed column 72;Fixed column 72 The surface for continuing to protrude from cylinder manifold 4 is connected and fixed with shell 1.
Battery core 5 is 18650 type battery cores, and each battery module is equipped with 160 18650 battery cores altogether, and all using parallel connection Mode connects, and the voltage of the battery module of formation is 3.7V, capacity 320Ah.
The nickel plate 6 and battery core 5 are fixed using laser welding (welding manners such as energy storage welding or ultrasonic bonding also can), Nickel plate 6 and cylinder manifold 4 are connect using soldering (welding manners such as laser welding or ultrasonic bonding also can).
There are the upper and lower surface of shell 13 pairs of symmetrical raised lines 11, shell 1 to be made of cold-rolled steel sheet, and raised line 11 is logical The top and bottom punch forming in shell 1 is crossed, the reinforcement structure of shell 1 is formed.
The heat conduction colloid is heat conductive silica gel, is in the storage position two kinds of components of AB, when use by A, B two groups grade Ratio is mixed, and fills in battery gap.It can be coagulated the short time for solid-state structure under room temperature, thermal coefficient height can pass heat It is directed at shell, good heat dissipation effect so may be implemented.
The utility model is described in detail above, it is described above, only the preferred embodiment of the utility model and , when the utility model practical range cannot be limited, i.e., all according to the made equivalent changes and modifications of the application range, it all should still belong to this In utility model covering scope.

Claims (10)

1. a kind of lithium ion battery accumulation power supply module, it is characterised in that:Include shell, battery core and holder, holder is installed on Enclosure interior, several battery cores are installed between two stands;The anode of each battery core is connect with a nickel plate, and cathode then connects with another nickel plate It connects and combines battery module;Several cylinder manifolds are respectively installed on the surface of two nickel plates, each cylinder manifold respectively with positive terminal and negative Pole connects the export structure to form battery module;In shell be filled with heat conduction colloid, heat conduction colloid riddle battery core it Between, each battery core is embedded into heat dissipation and the safeguard structure formed in heat conduction colloid to battery core;Two stands structure is identical, be covered with The corresponding battery core hole of battery core, positive one end of each battery core is inserted in the battery core hole of same holder, and cathode one end is then inserted in The battery core hole of another holder is fixed each battery core by the battery core hole of two stands;Two nickel plate structures are identical, in its inner surface It is covered with position and quantity welding bench corresponding with the battery core hole of holder, welding bench is protruded towards battery core direction, battery core and weldering It connects between platform by being welded and fixed, forms the connection structure of battery core and nickel plate.
2. lithium ion battery accumulation power supply module according to claim 1, it is characterised in that:It is covered in the outer surface of nickel plate There are location hole, the position of location hole and the position of the welding bench to be mutually aligned, welding hole is equipped in welding bench, along positioning Battery core is welded across welding hole in hole.
3. lithium ion battery accumulation power supply module according to claim 1, it is characterised in that:The surface of each nickel plate is respectively set There are two pieces of cylinder manifolds, two pieces of cylinder manifolds to be provided spaced, positive terminal and negative terminal pass through output line and the two blocks of nickel of converging respectively Cylinder manifold connection on plate.
4. lithium ion battery accumulation power supply module according to claim 1, it is characterised in that:It is also connect from battery module Go out to have voltage acquisition line and temperature acquisition line, voltage acquisition line and temperature acquisition line, positive terminal and negative terminal fixation to cover at one end It goes up and stretches out in except the end cap, and the opening that end cap is fixed on shell forms sealing structure to enclosure interior.
5. lithium ion battery accumulation power supply module according to claim 4, it is characterised in that:Positive terminal and negative terminal and end Sealing structure is bolted into lid respectively;Through-hole with a diameter of 12.5mm on end cap, voltage acquisition line and temperature are adopted Line concentration is pierced by from the through-hole;The end cap is made of cold-rolled steel sheet.
6. lithium ion battery accumulation power supply module according to claim 1, it is characterised in that:It is set in the outer surface of holder There are several fixed columns, the nickel plate to be fixed on holder by fixed column, fixed column protrudes from the surface of nickel plate, and cylinder manifold passes through The protrusion part of fixed column is fixed on the surface of nickel plate;The surface that fixed column continues to protrude from cylinder manifold is connected and fixed with shell.
7. lithium ion battery accumulation power supply module according to claim 1, it is characterised in that:The battery core is 18650 types Battery core, each battery module is equipped with 160 18650 battery cores altogether, and is all connected using parallel way, the battery pack mould of formation The voltage of block is 3.7V, capacity 320Ah.
8. lithium ion battery accumulation power supply module according to claim 1, it is characterised in that:The nickel plate is used with battery core Laser welding, energy storage welding or ultrasonic bonding mode are fixed, and nickel plate uses soldering, laser welding or supersonic welding with cylinder manifold The mode of connecing connects.
9. lithium ion battery accumulation power supply module according to claim 1, it is characterised in that:The upper and lower surface of shell has 3 pairs of symmetrical raised lines, shell are made of cold-rolled steel sheet, and raised line forms shell by the top and bottom punch forming in shell The reinforcement structure of body.
10. lithium ion battery accumulation power supply module according to claim 1, it is characterised in that:The heat conduction colloid is to lead Hot silica gel.
CN201820424170.6U 2018-03-28 2018-03-28 A kind of lithium ion battery accumulation power supply module Active CN207909955U (en)

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Application Number Priority Date Filing Date Title
CN201820424170.6U CN207909955U (en) 2018-03-28 2018-03-28 A kind of lithium ion battery accumulation power supply module

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108321335A (en) * 2018-03-28 2018-07-24 青海绿草地新能源科技有限公司 A kind of lithium ion battery accumulation power supply module
CN110112344A (en) * 2019-05-22 2019-08-09 湖南科霸汽车动力电池有限责任公司 Battery pack cabinet and battery pack
CN110444705A (en) * 2019-06-20 2019-11-12 恒大新能源科技集团有限公司 A kind of battery modules heat conduction structure and glue spreading method
CN114122548A (en) * 2021-11-26 2022-03-01 江西深超能源科技有限公司 Lithium battery with self-extinguishing structure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108321335A (en) * 2018-03-28 2018-07-24 青海绿草地新能源科技有限公司 A kind of lithium ion battery accumulation power supply module
CN110112344A (en) * 2019-05-22 2019-08-09 湖南科霸汽车动力电池有限责任公司 Battery pack cabinet and battery pack
CN110112344B (en) * 2019-05-22 2022-03-11 先进储能材料国家工程研究中心有限责任公司 Battery pack box and battery pack
CN110444705A (en) * 2019-06-20 2019-11-12 恒大新能源科技集团有限公司 A kind of battery modules heat conduction structure and glue spreading method
CN114122548A (en) * 2021-11-26 2022-03-01 江西深超能源科技有限公司 Lithium battery with self-extinguishing structure
CN114122548B (en) * 2021-11-26 2024-04-12 江西深超能源科技有限公司 Lithium battery with self-extinguishing structure

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