CN203644830U - Novel lithium ion power battery module of automobile - Google Patents

Novel lithium ion power battery module of automobile Download PDF

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Publication number
CN203644830U
CN203644830U CN201320844003.4U CN201320844003U CN203644830U CN 203644830 U CN203644830 U CN 203644830U CN 201320844003 U CN201320844003 U CN 201320844003U CN 203644830 U CN203644830 U CN 203644830U
Authority
CN
China
Prior art keywords
battery module
lithium ion
ion power
cell
power battery
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.)
Expired - Lifetime
Application number
CN201320844003.4U
Other languages
Chinese (zh)
Inventor
唐海波
胡博
付垚
卢世刚
邹春龙
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.)
China Youyan Technology Group Co ltd
Youyan Technology Group Co ltd
Original Assignee
Beijing General Research Institute for Non Ferrous Metals
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 Beijing General Research Institute for Non Ferrous Metals filed Critical Beijing General Research Institute for Non Ferrous Metals
Priority to CN201320844003.4U priority Critical patent/CN203644830U/en
Application granted granted Critical
Publication of CN203644830U publication Critical patent/CN203644830U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Abstract

The utility model discloses a novel lithium ion power battery module of an automobile. The novel lithium ion power battery module comprises a group of battery cells, an upper cover and a bottom case, wherein the battery cells are stacked together, and tabs go out of two ends of each battery cell; the tabs at the both ends of the battery cells are connected with each other, and then are connected and fastened with copper pole columns and connectors, which are inlaid in plastic support pieces at the corresponding ends, to form the whole battery pack; the bottom case is provided with a cavity which is used for holding the full battery pack, copper pole columns and connectors are inlaid in the bottom case, the full battery pack is placed in the cavity of the bottom case, and the copper pole columns and the connectors inlaid in the plastic support pieces correspond to the copper pole columns and the connectors inlaid in the bottom case in location and are electrically communicated with each other. In the battery module structure, the variety of ancillary fittings is less, packaging technology is simple, the lithium ion power battery module has the detachable character and high structural strength, and the safety of the battery cells inside the module can be ensured under conditions of large pressure and impact force outside.

Description

A kind of new automobile lithium ion power battery module
Technical field
The utility model relates to a kind of automobile lithium ion power battery module, relates in particular to a kind of Novel battery module of electrode tab connection structure improvement.
Background technology
At present, the power unit (battery module) using on electric automobile forms by polylith cell serial or parallel connection; Good battery module design is to ensure power-supply system security performance, the key technology of dwindling performance difference between cell and power-supply system.Battery module comprises the structures such as arrangements of electric connection between framework, the cell of cell, securing unit battery, temperature sensor, voltage and current detection circuit.The basic principle of battery module design mainly contain following some: the each structural member of (1) battery module has enough intensity, and cell should be fixed with battery module inside and avoid being moved in vibration processes; (2) each structural member should be convenient to assembly manipulation, and assembling elasticity is moderate; (3) battery module should meet the power technology index of use equipment; (4) for the battery module of metal shell, between cell and metal shell, should reach electric insulation; (5) compact conformation and can provide ventilation and heat passage according to the designing requirement of power brick; (6) there is installation fixing position and put, make battery module can firmly be fixed on power brick inside; (7) weight of accessory is as far as possible low, and the weight of general module assembled parts should be no more than 30% of battery module gross weight; (8) the cell quantity of composition battery module should spread; (9) between battery module, conduction connection distance is short as far as possible, connect reliably, and the conductive capability at the each position of conduction connection will meet the maximum conveyance capacity requirement that power consumption equipment requires
Utility model content
The purpose of this utility model is to provide a kind of new automobile lithium ion power battery module having compared with high structural strength.
For achieving the above object, the utility model is taked following design:
A kind of new automobile lithium ion power battery module, comprise one group mutual stacking and two bring out the cell of lug, a upper cover and a drain pan;
In described one group of cell, the lug at each cell two ends after mutually connecting respectively again with corresponding end plastic supporting pieces on the copper pole inlayed and brace be fastenedly connected and form whole Battery pack;
Described drain pan has the cavity volume of accommodating whole Battery pack, inlays copper pole and brace in drain pan;
Described whole Battery pack is placed in the cavity volume of drain pan, copper pole and brace and the electric connection that inlay on corresponding drain pan respectively the copper pole of inlaying on plastic supporting pieces and the set position of brace.
Described new automobile, with in lithium ion power battery module, carries out position punch and carries out bending place reason before the lug assembling of described each cell; The brace of inlaying in working of plastics is provided with the circular hole for connecting single battery pole ears; Punching on each cell is alignd with the circular hole on brace mutually neatly piling successively poststack, connects fastening by screw.
Described new automobile is with in lithium ion power battery module, and described shell is that aluminium alloy is made, and one time punching molded.
Described new automobile is with in lithium ion power battery module, and described shell outside has reinforcement.
Described new automobile is with in lithium ion power battery module, and between cell, the flexible thermal conductive silicon rubber cushion in interval, can prevent the mutual friction of cell phase, plays the effect of protection cell
The utility model has the advantages that:
1. battery module is using aluminium alloy as shell, and shell is one time punching molded by aluminum alloy plate materials, has reinforcement, and such shell mechanism has good structural strength, can bear higher pressure and impulsive force;
2. battery module can use the version of stacking some cells in Battery case inside, and the variation by quantity, to meet different needs, is saved space, again combined and instant;
3. some cells are parallel with one another, on copper pole and brace that lug is inlayed in plastic supporting pieces inside by screw fastening after connecting; The form of being threaded is the mechanical connection fixed form that reliability is higher, can on the basis with suitable reliability, possess detachable function;
4. in battery module, the outer auxiliary accessories kind of demonomerization battery is less, simple for assembly process, low to automation and mechanized equipment degree of dependence.
Accompanying drawing explanation
Fig. 1 is this new automobile lithium ion power battery module structural representation (upper cover open mode).
Fig. 2 is lithium ion power battery module structural representation for this new automobile (removing upper cover and drain pan).
Fig. 3 is plastic supporting pieces (negative pole end) structural representation of this new automobile lithium ion power battery module.
Fig. 4 is plastic supporting pieces (positive terminal) structural representation (outer side view) of this new automobile lithium ion power battery module.
Fig. 5 is plastic supporting pieces (positive pole) structural representation (inner side view) of this new automobile lithium ion power battery module.
Below in conjunction with drawings and the specific embodiments, the utility model is described further.
Embodiment
As shown in Figure 1 and Figure 2, this new automobile is mainly made up of one group of cell 10, two plastic supporting pieces (20 and 30), a upper cover 50 and a drain pan 40 with lithium ion power battery module.
What one group of described cell 10 adopted is all two brings out the soft bag lithium ionic cell of lug, and in the present embodiment, the positive pole of each cell 10 is all positioned at equidirectional, and the negative pole of each cell 10 is positioned at that another is equidirectional.
As shown in Figures 3 to 5, plastic supporting pieces 20 and 30 is divided into both positive and negative polarity two classes, and structure is identical; There is obvious both positive and negative polarity mark; Inlaid copper pole and brace in working of plastics, for connecting single battery pole ears.
Shown in Fig. 3 is plastic supporting pieces 30 structures of negative pole end, and its center Position Design has copper-base post 301.
Fig. 4 and Fig. 5 show plastic supporting pieces 20 structures of positive terminal, and its center is also designed with copper-base post 201, and inner side central segment has the protruding block 202 of inlaying copper brace on one, and copper brace and copper-base post 201 Electricity Federations are logical.
One group of cell 10 in the present embodiment, first positions punching by their lug, and according to five and battery pack structure lug bend to processing, the then neat stacking battery pack that becomes successively; Use 5 screws (simultaneously should use spring shim) that the battery pack lug of the finishing dealing with copper brace embedded with plastic supporting pieces 20 is connected fastening; Both positive and negative polarity completes successively; Should be noted locking processing simultaneously, form whole Battery pack, whole Battery pack is put into aluminum alloy casing 40, cover aluminium alloy upper cover 40 and carry out fastening with tapping screw.
The various embodiments described above can not depart from some variations in addition under scope of the present utility model, thus above explanation comprise should be considered as exemplary, but not the protection range of applying for a patent in order to limit the utility model.

Claims (5)

1. a new automobile lithium ion power battery module, comprise one group mutually stacking and two bring out the cell of lug, a upper cover and a drain pan; It is characterized in that:
In described one group of cell, the lug at each cell two ends after mutually connecting respectively again with corresponding end plastic supporting pieces on the copper pole inlayed and brace be fastenedly connected and form whole Battery pack;
Described drain pan has the cavity volume of accommodating whole Battery pack, inlays copper pole and brace in drain pan;
Described whole Battery pack is placed in the cavity volume of drain pan, copper pole and brace and the electric connection that inlay on corresponding drain pan respectively the copper pole of inlaying on plastic supporting pieces and the set position of brace.
2. new automobile lithium ion power battery module as claimed in claim 1, is characterized in that: before the lug assembling of described each cell, carry out position punch and carry out bending place reason; The brace of inlaying in working of plastics is provided with the circular hole for connecting single battery pole ears; Punching on each cell is alignd with the circular hole on brace mutually neatly piling successively poststack, connects fastening by screw.
3. new automobile lithium ion power battery module as claimed in claim 1, is characterized in that: described shell is that aluminium alloy is made, and one time punching molded.
4. new automobile lithium ion power battery module as claimed in claim 3, is characterized in that: described shell outside has reinforcement.
5. new automobile lithium ion power battery module as claimed in claim 1, is characterized in that: interval thermal conductive silicon rubber cushion between cell.
CN201320844003.4U 2013-12-19 2013-12-19 Novel lithium ion power battery module of automobile Expired - Lifetime CN203644830U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320844003.4U CN203644830U (en) 2013-12-19 2013-12-19 Novel lithium ion power battery module of automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320844003.4U CN203644830U (en) 2013-12-19 2013-12-19 Novel lithium ion power battery module of automobile

Publications (1)

Publication Number Publication Date
CN203644830U true CN203644830U (en) 2014-06-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320844003.4U Expired - Lifetime CN203644830U (en) 2013-12-19 2013-12-19 Novel lithium ion power battery module of automobile

Country Status (1)

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CN (1) CN203644830U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018157560A1 (en) * 2017-02-28 2018-09-07 宁德时代新能源科技股份有限公司 Upper battery module cover and battery module

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018157560A1 (en) * 2017-02-28 2018-09-07 宁德时代新能源科技股份有限公司 Upper battery module cover and battery module

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C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder
CP01 Change in the name or title of a patent holder

Address after: 100088, 2, Xinjie street, Xicheng District, Beijing

Patentee after: Youyan Technology Group Co.,Ltd.

Address before: 100088, 2, Xinjie street, Xicheng District, Beijing

Patentee before: GENERAL Research Institute FOR NONFERROUS METALS

Address after: 100088, 2, Xinjie street, Xicheng District, Beijing

Patentee after: China Youyan Technology Group Co.,Ltd.

Address before: 100088, 2, Xinjie street, Xicheng District, Beijing

Patentee before: Youyan Technology Group Co.,Ltd.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20140611