CN204481058U - Dipole column lithium battery cover plate - Google Patents
Dipole column lithium battery cover plate Download PDFInfo
- Publication number
- CN204481058U CN204481058U CN201520056670.5U CN201520056670U CN204481058U CN 204481058 U CN204481058 U CN 204481058U CN 201520056670 U CN201520056670 U CN 201520056670U CN 204481058 U CN204481058 U CN 204481058U
- Authority
- CN
- China
- Prior art keywords
- earthenware
- cover board
- splicing plate
- seam
- 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 - Fee Related
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a kind of dipole column lithium battery cover plate.Be that two cylindrical tapped grommet nut ends of thread are placed in distribution corresponding to upper splicing plate, the cylinder of two grommet nuts is set with earthenware; Metal cover board is housed being positioned at the stop portion bottom earthenware, two grommet nut cylinders below metal cover board are set with seal; The blind hole end of two grommet nuts is placed in distribution corresponding to low splicing plate, and between upper splicing plate and earthenware, squeeze shock mount pad, push down the seal between metal cover board and low splicing plate by earthenware seam, earthenware periphery is injection molded layers.The utility model pole and cover plate are equipped technique, have the outer connection area of larger pole, reduce metal film and the lug bulk in battery in pole, add battery capacity.This cover plate weight only has 90 grams, and water conservancy diversion cross section is large, refractory seals and insulation, equipped for various energy type and power-type square casing lithium ion battery.
Description
Technical field
The utility model relates to a kind of quadrate lithium battery cover plate, particularly relates to a kind of dipole column lithium battery cover plate.
Background technology
Existing pair of internal thread battery electrode column (cold rolling extruding internal thread battery electrode column covering plate structure is see Fig. 1 ~ Fig. 3) on market, its technique is that metal pole 1 ' is made through cold rolling extruding and machining, at the upper integral assembling seal 6 ' of metal pole 1 ', again set metal cover plate 5 ' and suit ceramic jacket 3 ', in the jump-ring slot 12 ' of metal pole 1 ', clamp spring jump ring 2 ', push down the seal 6 ' under metal cover board 5 ' and pole between metallic plate 7 ' through ceramic jacket 3 '; The battery electrode column assembled puts into note PP plastics 4 ' mold injection location sealing battery electrode column assembly; Explosion-proof valve composition battery cover board is installed in the middle of metal cover board 5 ' both positive and negative polarity battery electrode column.In battery, pole is that the connection ohmic internal resistance that is riveted together to the lug 10 ' being connected to battery core 11 ' and interior pole connecting plate 13 ' by pad 8 ' and rivet 9 ' is comparatively large, occupies space larger by pole connecting plate 13 ' riveting lug 10 ' in battery in battery; Cold rolling extruding internal thread battery electrode column is due to mould and the restriction of not easily processing of being squeezed, and battery electrode column exists unnecessary size and causes pole heavier, and the two internal thread pole cover plate weight of cold extrusion is 140 grams; Cold rolling extruding internal thread battery electrode column is owing to being subject to the suit process technology limit with cover plate, and the connection area outside pole is less.
Utility model content
The utility model object is the deficiency existed for existing covering plate structure and manufacturing technology, and provide a kind of lightweight and outer connection area of larger pole, structure is simple, the dipole column lithium battery cover plate of making assembly technology advanced person.
The utility model object is achieved through the following technical solutions: a kind of dipole column lithium battery cover plate, comprise upper splicing plate, low splicing plate, the grommet nut assembling battery electrode column, earthenware, metal cover board, seal and the explosion-proof valve between positive and negative pole, it is characterized in that: two cylindrical tapped grommet nut ends of thread are placed in distribution corresponding to upper splicing plate, and the cylinder of two grommet nuts is set with earthenware; Metal cover board is housed being positioned at the stop portion bottom earthenware, two grommet nut cylinder peripherals below metal cover board are equipped with seal respectively; The blind hole end of two grommet nuts is placed in distribution corresponding to low splicing plate, and between upper splicing plate and earthenware, squeeze shock mount pad, push down the seal between metal cover board and low splicing plate by earthenware seam, earthenware periphery is injection molded layers.
Described earthenware seam is the staged shoulder with large and small edge, the large edge of seam is pressed on metal cover board, the embedding stop portion that the installation end of metal cover board is corresponding matches with the little edge of circle, make earthenware seam be embedded in the circular hole of metal cover board, the height dimension of earthenware seam is less than the grommet nut size at same position.
Described low splicing plate base and metal film are for being flexible coupling, and the lug being coated with metal film is connected with battery core and can be folded and placed in battery container.
Described metal film material is that aluminium flake adds aluminium foil or nickel sheet and adds Copper Foil or copper sheet and add Copper Foil and make, and this metal film is used for ultrasonic bonding, and the thickness of film is 0.1 ~ 0.12mm.
The utility model bicylindrical shape internal thread battery electrode column covering plate structure connects upper and lower splicing plate by two cylindrical female grommet nuts and spring shim, earthenware, metal cover board, seal, note PP plastics form, and is a kind of low weight high performance novel battery pole cover plate.The utility model bicylindrical shape internal thread battery electrode column cover plate is all better than existing cold rolling extruding internal thread battery electrode column in structure and equipped technique, relatively two kinds of two internal thread battery electrode column cover plates, visible bicylindrical shape internal thread battery electrode column (Fig. 5) structure directly perceived is simple, there is low weight and the outer connection area of larger pole, in battery, pole adopts metal film 10 and lug 12 ultrasonic welding process, ohmic internal resistance is less, folded metal film 10 and lug 12 mode assemble battery core 11 and metal cover board 5, reduce metal film and the lug bulk in battery in pole, add battery pole piece size and namely add battery capacity.The utility model cover plate weight only has 90 grams, there is lightweight, cylindrical pole and cover plate is equipped technique, connection area outside pole is large, water conservancy diversion cross section is large, the anticorrosion explosion-proof feature of refractory seals, high-temperature insulation, composite membrane, improves mass energy density and the volume energy density of lithium ion battery.Can be used for the equipped use of various energy type and power-type square casing lithium ion battery.
Accompanying drawing explanation
Fig. 1 is cold rolling extruding internal thread battery electrode column cover plate vertical view.
Fig. 2 is A '-A ' direction view in Fig. 1.
Fig. 3 is B '-B ' direction view in Fig. 1, and Lower Half is riveted joint lug and battery core assembly structure schematic diagram.
Fig. 4 is the utility model bicylindrical shape internal thread battery electrode column cover plate vertical view.
Fig. 5 is A-A direction view in Fig. 4.
Fig. 6 is B-B direction view in Fig. 4, and Lower Half is metal film connecting tab schematic diagram.
Fig. 7 is B-B direction view in Fig. 4, and Lower Half is after metal film connecting tab, and folding lug and battery core assemble schematic diagram.
Fig. 8 is the utility model battery electrode column cover plate overall structure vertical view.
Fig. 9 is C-C direction view in Fig. 8.
In figure (Fig. 1 ~ 3): 1 ' metal pole; 2 ' spring jump ring; 3 ' ceramic jacket; 4 ' PP plastics; 5 ' metal cover board; 6 ' seal; Metallic plate under 7 '; 8 ' pad; 9 ' rivet; 10 ' lug; 11 ' battery core; 12 ' jump-ring slot; 13 ' pole connecting plate.
In figure (Fig. 4 ~ 9): 1 upper splicing plate; 2 grommet nuts; 3 spring shims; 4 earthenwares; 5 metal cover boards; 6 seals; 7 low splicing plates; 8 seams; 9 injection molded layers; 10 metal films; 11 battery cores; 12 lugs; 13 battery containers; 14 explosion-proof valves; 15 liquid injection holes.
Embodiment
Also by reference to the accompanying drawings the utility model is described in detail below by embodiment, effect of the present utility model is described simultaneously.Following execution mode just meets the example of the utility model technology contents, does not illustrate that the utility model is only limitted to the content described in following example, and the product that the technical staff in the industry manufactures according to this claim all belongs to the utility model content.
As Fig. 4, Fig. 5 and Fig. 6, shown in, the utility model dipole column lithium battery cover plate and bicylindrical shape internal thread battery electrode column cover plate, its structure connects upper and lower splicing plate and spring shim, earthenware, metal cover board, seal, injection molded layers and the explosion-proof valve between positive and negative pole composition primarily of two cylindrical female grommet nuts; The interior welding of circular hole that two cylindrical tapped grommet nut 2 ends of thread are fitted in upper splicing plate 1 correspondence, the cylinder of two cylindrical female grommet nuts 2 is set with earthenware 4 (see Fig. 5, Fig. 6); Seam 8 is provided with bottom earthenware 4, earthenware seam 8 is the staged shoulders with large and small edge, the large edge of earthenware seam is pressed on metal cover board 5, embedding seam 8 place that the installation end of metal cover board 5 is corresponding matches with the little edge of circle, earthenware seam 8 is made to be embedded in the circular hole of metal cover board 5, the height dimension of earthenware seam 8 is less than grommet nut 2 size at same position, and namely earthenware seam base size is shorter than grommet nut.The seam 8 be positioned at bottom earthenware is equipped with metal cover board 5 (see Fig. 5); Two cylindrical female grommet nuts 2 below metal cover board 5 are respectively installed with high temperature seal 6; Weld in the circular hole that the blind hole end of two cylindrical female grommet nuts 2 is fitted in low splicing plate 7 correspondence, shock mount pad 3 is squeezed between upper splicing plate 1 and earthenware 4, push down the seal 6 between metal cover board 5 and low splicing plate 7 by earthenware seam 8, earthenware 4 periphery is PP plastics injection molded layers 9.The battery electrode column assembled puts into injection mold note PP plastics location sealing battery electrode column assembly, the side of (see Fig. 8,9) metal cover board 5 has the liquid injection hole 15 running through cover plate, installs composite anti-corrosive explosion-proof valve 14 and form battery cover board in the middle of metal cover board 5 positive and negative electrode battery electrode column.
As shown in Figure 6, Figure 7, in the utility model battery, pole adopts metal film 10 and lug 12 ultrasonic welding process, folded metal film 10 and lug 12 mode assemble battery core 11 and metal cover board 5, low splicing plate 7 base and metal film 10 are for being flexible coupling, the lug 12 being coated with metal film 10 is connected with battery core 11 and can be folded and placed in battery container 13, this structure can reduce metal film and the lug bulk in battery in pole, adds battery pole piece size and namely adds battery capacity.Metal film 10 aluminium flake can be selected to add material that aluminium foil or nickel sheet add Copper Foil is exclusively used in ultrasonic bonding, the thickness of film is chosen as 0.1mm.
Dipole column lithium battery cover plate and the bicylindrical shape internal thread battery electrode column cover plate of the utility model design adopt following methods assembly production:
(1), be fitted in the distribution of battery electrode column upper splicing plate 1 by the end of thread of two female grommet nuts 2 of cylinder shape belt, interference fit press-fits and adopts laser welding interface (see Fig. 5);
(2) the weldering spot on upper splicing plate 1 surface of battery electrode column, is polished;
(3), at battery electrode column upper splicing plate 1 plating nickel on surface, thickness of coating is 2 ~ 4um;
(4), on the blind hole end cylinder of cylindrical female grommet nut 2 ceramic tube for sleeving 4, earthenware 4 lower end is with earthenware seam 8 (see Fig. 6);
(5), on earthenware lower end seam 8 set metal cover plate 5, make earthenware seam 8 be embedded in the circular hole of metal cover board 5;
(6) cylindrical female grommet nut 2 cylinder, growing earthenware 4 below metal cover board 5 is set with refractory seals part 6 (see Fig. 5);
(7), at the large avris in bottom surface of battery electrode column low splicing plate 7, ultrasonic wave is adopted to add the thick metal film 10 (see Fig. 6) of laser welding 20 layers of 0.1mm;
(8), by the blind hole end cylinder of two cylindrical female grommet nuts 2 be fitted in battery electrode column low splicing plate 7 distribution, interference fit press-fits and adopts laser welding interface (Fig. 5);
(9), between battery electrode column upper splicing plate 1 and earthenware 4 spring shim 3 is clamp-oned, for compressing the seal 6 (Fig. 5) between metal cover board 5 and low splicing plate 7;
(10) mould, the dipole column internal thread battery electrode column cover plate of assembling and good seal loading note PP plastics carries out integrated injection PP plastics and forms injection molded layers 9, carries out positioning parts and cover plate for sealing;
(11), by the lug 12 in coated for metal film 10 battery core 11, carry out ultrasonic bonding lug 12 (see Fig. 6);
(12), again the lug 12 of clad metal film 10 is carried out displacement lug is folded, then after metal cover board 5 and the position of battery core 11 are aligned up and down, battery core is loaded battery container 13, close metal cover board 5 (see Fig. 7);
(13), laser welding explosion-proof valve 14 and metal cover board 5, in explosion-proof valve body, combination is fitted with composite anti-explosion film (see Fig. 9).
Claims (4)
1. a dipole column lithium battery cover plate, comprise upper splicing plate, low splicing plate, the grommet nut assembling battery electrode column, earthenware, metal cover board, seal and the explosion-proof valve between positive and negative pole, it is characterized in that: two cylindrical tapped grommet nut (2) ends of thread are placed in distribution corresponding to upper splicing plate (1), and the cylinder of two grommet nuts (2) is set with earthenware (4); Metal cover board (5) is housed being positioned at the seam bottom earthenware (8) place, two grommet nut (2) cylinder peripherals below metal cover board (5) are equipped with seal (6) respectively; The blind hole end of two grommet nuts (2) is placed in distribution corresponding to low splicing plate (7), shock mount pad (3) is squeezed between upper splicing plate (1) and earthenware (4), push down the seal (6) between metal cover board (5) and low splicing plate (7) by earthenware seam (8), earthenware (4) periphery is injection molded layers (9).
2. dipole column lithium battery cover plate according to claim 1, it is characterized in that: described earthenware seam (8) is the staged shoulder with large and small edge, the large edge of seam is pressed on metal cover board (5), embedding seam (8) place that the installation end of metal cover board (5) is corresponding matches with the little edge of circle, make earthenware seam (8) be embedded in the circular hole of metal cover board (5), the height dimension of earthenware seam (8) is less than grommet nut (2) size at same position.
3. dipole column lithium battery cover plate according to claim 1, it is characterized in that: described low splicing plate (7) base and metal film (10) are for being flexible coupling, and the lug (12) being coated with metal film (10) is connected with battery core (11) and can be folded and placed in battery container (13).
4. dipole column lithium battery cover plate according to claim 3, it is characterized in that: described metal film (10) material is that aluminium flake adds aluminium foil or nickel sheet and adds Copper Foil or copper sheet and add Copper Foil and make, this metal film is used for ultrasonic bonding, and the thickness of film is 0.1 ~ 0.12mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520056670.5U CN204481058U (en) | 2015-01-21 | 2015-01-21 | Dipole column lithium battery cover plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520056670.5U CN204481058U (en) | 2015-01-21 | 2015-01-21 | Dipole column lithium battery cover plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204481058U true CN204481058U (en) | 2015-07-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520056670.5U Expired - Fee Related CN204481058U (en) | 2015-01-21 | 2015-01-21 | Dipole column lithium battery cover plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204481058U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617237B (en) * | 2015-01-21 | 2017-03-22 | 朝阳立塬新能源有限公司 | Double-pole rod lithium battery cover plate and manufacturing method thereof |
| CN109411677A (en) * | 2017-08-17 | 2019-03-01 | 江苏津谊新能源科技有限公司 | A kind of highly charged power battery |
| CN110360192A (en) * | 2019-06-25 | 2019-10-22 | 中国科学院长春光学精密机械与物理研究所 | A kind of mounting base of carbon fiber reinforced substrate built-in metal connector |
-
2015
- 2015-01-21 CN CN201520056670.5U patent/CN204481058U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617237B (en) * | 2015-01-21 | 2017-03-22 | 朝阳立塬新能源有限公司 | Double-pole rod lithium battery cover plate and manufacturing method thereof |
| CN109411677A (en) * | 2017-08-17 | 2019-03-01 | 江苏津谊新能源科技有限公司 | A kind of highly charged power battery |
| CN110360192A (en) * | 2019-06-25 | 2019-10-22 | 中国科学院长春光学精密机械与物理研究所 | A kind of mounting base of carbon fiber reinforced substrate built-in metal connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150715 Termination date: 20180121 |