CN202285251U - Special-shaped lithium battery module - Google Patents

Special-shaped lithium battery module Download PDF

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Publication number
CN202285251U
CN202285251U CN2011203708574U CN201120370857U CN202285251U CN 202285251 U CN202285251 U CN 202285251U CN 2011203708574 U CN2011203708574 U CN 2011203708574U CN 201120370857 U CN201120370857 U CN 201120370857U CN 202285251 U CN202285251 U CN 202285251U
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China
Prior art keywords
special
battery
shaped
battery module
arc
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Expired - Lifetime
Application number
CN2011203708574U
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Chinese (zh)
Inventor
戴国群
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BEIJING SHENZHOU YUANWANG TECHNOLOGY CO LTD
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BEIJING SHENZHOU YUANWANG 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
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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Abstract

The utility model discloses a special-shaped lithium battery module belonging to the field of batteries. The special-shaped lithium battery module comprises a plurality of battery units connected in series, a casing of a battery, an upper cover, a lower cover, a battery bank, a protecting plate, an output conducting wire, a switchover plate, a supporting rack of the battery, a fixing strip, an insulating piece, a connecting piece, screws and the like; a plurality of special-shaped unit batteries are arranged in the supporting rack of the battery; the polar ears of the monomer batteries are welded on a welding disk which is correspondingly arranged at the switchover plate so as to finish parallel connection and form the battery units; the battery units are welded into the battery bank by the connecting piece; a detection conducting wire and the output conducting wire are welded on welding disks which are arranged corresponding to the protecting plate and the switchover plate; the battery bank is arranged in the casing of the battery; the upper cover, the lower cover and the casing of the battery are assembled, and the screws are locked so as to form a special-shaped battery module with a protecting function; and the battery module has the characteristics of convenience in assembly, high utilization rate of the space, high specific energy, high safety and reliability and the like.

Description

Abnormity lithium battery module
Technical field
The utility model relates to a kind of special-shaped lithium polymer battery module, is specially adapted to the lithium polymer battery module of installing space die cavity for abnormity.
Background technology
Applied power source at some specialities; Like sea rescue equipment power supply, drilling equipment power supply, subsurface buoy power supply, underawater ordnance power supply etc.; These equipments are because the environmental condition requirement of its field of employment; Its die cavity cross sectional shape that is used for installing battery is not a conventional square, is generally circle or sub-circular; If use the traditional square cell, the circular arc shaped portion of installing space (dash area) will be not used (as shown in Figure 1), can cause very big space waste, influence the usefulness of product greatly.
Poly-lithium battery has the specific energy height, has extended cycle life, fail safe is good, operating temperature range is wide, good environmental adaptability; Shell is an aluminum plastic film but its intrinsic weakness is; Mechanical strength is bad, is extruded easily to produce distortion and puncture, and influence performance until the generation security incident.Therefore, safeguard procedures are very important.
In order to satisfy the power supply assembly space requirement of specialities, improve the effective utilization of product, improve fail safe, this just needs a kind of special-shaped battery module with high duty ratio, high specific energy, high security that is complementary with product installing space shape of exploitation.
The utility model content
The purpose of the utility model is the deficiency that overcomes conventional batteries shape, fail safe and energy density, and the special-shaped battery module of a kind of high duty ratio, high-energy-density, high security is provided.
A kind of special-shaped lithium battery module is characterized in that comprising: some series connected battery unit, baffle, lead, keyset, cell support frame, fixed strip, insulating trip, brace; Each battery unit is formed in parallel by a plurality of special-shaped batteries; Said each special-shaped battery profile is identical be arc, said arc be to constitute by a string and one section circular arc limit, be installed with 2 lugs in the upper end of string; Each special-shaped battery all is contained in a bottom surface and is similarly arc cell support frame; And the periphery of cell support frame is turned up, and turns up at cell support frame periphery and is provided with draw-in groove; A plurality of special-shaped batteries are connected in parallel with fixed strip through said draw-in groove; The plane, place, top of a plurality of special-shaped battery string after the parallel connection is provided with a plurality of keysets; Said keyset is the strip circuit board, is provided with the through hole that lug passes and is printed with connecting circuit all around; Said a plurality of keyset links together through brace, is about to some battery units and is together in series; Above keyset, be provided with insulating trip, above insulating trip, be provided with baffle; Said baffle be have overcharge, cross put, the circuit control panel of overcurrent, short-circuit protection function.
Further, the circular arc of arc special-shaped cell is major arc or minor arc.
Further, with the special-shaped lithium battery module battery container of packing into, battery container is a cylindrical shape.
Further, special-shaped lithium battery module two ends are provided with loam cake and lower cover, said loam cake is circular, and last cap surface is provided with lead and passes and use through hole; Said lower cover is circular.
Further; Said baffle is the strip circuit control panel; Establish on it have overcharge, cross put, the testing circuit and the control circuit of overcurrent, short-circuit protection function; Said testing circuit and control circuit components and parts are installed on the circuit substrate of said baffle, and said baffle also is provided with detection with pad and voltage both positive and negative polarity o pads.
Further, cell support frame center is provided with the gap through hole of battery bulging and installing hole and the lug outlet that is complementary with cell.
The utility model has the advantages that:
1) profile of the cell of battery module is designed to arc; With installing space shape intact coupling, the circular arc shaped portion of installing space is fully used, under identical constraints; Battery module is compared with the conventional prismatic cell module; Have high duty ratio, it is about 25% that volume utilization improves, and significantly improved the specific energy of battery pack;
2) the built-in baffle of battery module; It is safe: when testing circuit on the baffle detects the overcharging of any cell in the battery pack, overdischarge and battery module short-circuit conditions and occurs; Send signal to control circuit, cut off circuit, the protection battery module;
3) every cell is installed in the independent cell support frame and carries out reliable fixation, can prevent effectively that battery is squeezed and punctures, and simultaneously, has improved the mechanical strength and the stability of battery;
4) simple for structure, easy to assembly.
Description of drawings
Fig. 1 is conventional prismatic cell assembling sketch map
Fig. 2 is special-shaped cell outline drawing, and the left side is a stereogram, and the right side is a plane graph;
Fig. 3 is the shell structure sketch map;
Fig. 4 is the superstructure sketch map;
Fig. 5 is the lower cover structural representation;
Fig. 6 is a cell support shelf structure sketch map;
Fig. 7 is a battery unit syndeton sketch map;
Fig. 8 is a battery pack syndeton sketch map;
Fig. 9 is the battery modular structure sketch map;
Figure 10 is the battery module exploded view
Diagram: the 1-cell, 2-cell support frame, the 3-housing, the 4-lower cover, the 5-loam cake, the 6-keyset, the 7-baffle, the 8-insulating trip, 9-detects lead, 10-output lead, 11-fixed strip, 12-screw, 13-brace.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified:
1. arc lithium polymer battery as shown in Figure 2, that said special-shaped cell 1 is the aluminum plastic film outsourcing saidly arcly is made up of a straight string 1c and one section circular arc 1d, and said circular arc 1d can be major arc or minor arc; Said special-shaped cell 1 top is installed with an anode ear 1a, a negative electrode lug 1b; The width of said lug and gauge are by the capacity and the discharge current value decision of battery; Adopt bow-shaped structural, during assembling, the complete coupling of the set installing space die cavity of cell shapes and housing has reduced the waste in space, and space availability ratio can improve about 25%;
Said special-shaped cell 1 is realized through following technology:
1) anodal diaphragm, cathode membrane, barrier film are die-cut into required arc size; Said anodal diaphragm, cathode membrane take two negative one positive packaging technologies to combine: promptly both sides respectively are a slice cathode membrane; The centre is anodal diaphragm, stacks a slice barrier film between anodal diaphragm and the cathode membrane, forms an electric core unit; Said special-shaped cell constitutes by a plurality of electric core units are range upon range of, and said electric core unit quantity is by the capability value decision of said special-shaped cell;
2) aluminum plastic film is drawn into required arc size, with the above-mentioned electric core unit that lamination the is good above-mentioned arc packaging bag that has stretched and accomplished of packing into, leaves standstill after adding gel electrolyte, the purpose that leaves standstill is that electrolyte fully permeates;
3) adopt the hot pressing combination process, with above-mentioned arc packaging bag opening hot-press sealed;
4) packaging bag after will sealing is die-cut into required size;
5) edge sealing is bent into required form, said bending edges is the two-fold limit, and the effect on two-fold limit has been to improve the firmness of edge sealing;
2. as shown in Figure 3, said housing 3 profiles are cylindrical shape, are provided with 8 holding screw through hole 3a apart from the both ends of the surface correspondence, and said through hole is the countersunk head through hole, and said housing is processed by composite material, the surface processing of spraying paint;
3. as shown in Figure 4, said loam cake 5 is circular, is installed with a boss 5c; Evenly be embedded with several copper nut 5b around the boss; Said boss 5c is the internal diameter that circle and external diameter are slightly less than housing, and the centre is provided with shrinkproof depositing in water hole, and the said cap surface of going up is provided with lead and passes and use manhole 5a; Said loam cake is the fire retardant plastic material, adopts Shooting Technique to process;
4. as shown in Figure 5, said lower cover 4 is circular, is installed with a boss 4b; Be embedded with several copper nut 4a around the boss, said boss is the internal diameter that circle and external diameter are slightly less than housing, and the centre is provided with shrinkproof depositing in water hole; Said lower cover is the fire retardant plastic material, adopts Shooting Technique to process;
5. as shown in Figure 6; Said cell support frame 2 is used draw-in groove 2a for being installed with four connections around circular the reaching; The centre is provided with installing hole and 2 lugs outlet 2c of gap through hole 2b and cell after the battery bulging, and said cell support frame is the fire retardant plastic material, adopts Shooting Technique to process;
6. as shown in Figure 7; Battery unit is made up of cell 1, cell support frame 2, keyset 6, fixed strip 11; Through fixed strip being inserted the draw-in groove 2a of said cell support frame 2 correspondences, the lug with cell is welded to said keyset 6 formation battery units again, and adjacent two cells 1 form heat dissipation channel 6c through the groove of cell support frame 2; Help quickening the battery heat and distribute, improve radiating efficiency through housing;
7. as shown in Figure 8, battery pack is composed in series by 8 battery units 1, and said battery unit is assembled by keyset 6, cell 1 and cell support frame 2, fixed strip 11;
The assembly method of battery module is:
1) with said cell 1 and 2 assembling of cell support frame; With above-mentioned 6 cell support framves, 2 overlapping the putting together that installed battery; 11 corresponding 2 draw-in groove 2a that set firmly that insert the cell support frame (notice that a draw-in groove that keeps the bottom does not insert fixed strip with fixed strip; Use when connecting in order to battery pack), thus cell 1 is formed a whole; The corresponding respectively set installation through holes 6a of keyset that imports of lug 1a, 1b with said cell 1; Again with being attached on the keyset 6 after the lug 1a of cell, the 1b bending; Mode with scolding tin is welded in lug 1a, 1b on the keyset 6, forms battery unit (as shown in Figure 7);
2) battery unit is put together by the series sequence requirement, insert 2a in the draw-in groove that cell support framves bottom keeps with fixed strip 11 is corresponding, and then 8 battery units are combined;
3) with 8 battery units according to the requirement of battery pack series sequence, be welded to connect sheet 13 in the relevant position of keyset, thus with battery unit connect into one 8 the string battery pack;
4) back-adhesive surface with said insulating trip 8 is attached on the keyset 6 of battery pack, baffle 7 is installed on the insulating trip 8 again;
5) will detect lead 9 is welded on baffle 7 and the keyset 6 relevant detection point pads;
6) output lead 10 is welded on the set pad of baffle 7 correspondences;
7) with battery pack and housing 3 assemblings; Xiao Xu fixing glue (prevent battery pack from housing 3, rotating) is stamped in the room that contacts above the position at the two ends of battery pack and housing 3; Output lead 10a, 10b are passed from the corresponding set hole 5a of loam cake 5 respectively; With loam cake 5 and housing assembling, lock screw 12 again;
8) with lower cover 4 and housing 3 assemblings, lock screw 12.
Although in the foregoing description the utility model is shown and is described; But those skilled in the art should be appreciated that; Under the prerequisite that does not break away from the utility model general plotting, modification and remodeling to the utility model is made should belong within the utility model protection range.

Claims (6)

1. special-shaped lithium battery module is characterized in that comprising: some series connected battery unit, baffle, lead, keyset, cell support frame, fixed strip, insulating trip, brace; Each battery unit is formed in parallel by a plurality of special-shaped batteries; Said each special-shaped battery profile is identical be arc, said arc be to constitute by a string and one section circular arc limit, be installed with 2 lugs in the upper end of string; Each special-shaped battery all is contained in a bottom surface and is similarly arc cell support frame; And the periphery of cell support frame is turned up, and turns up at cell support frame periphery and is provided with draw-in groove; A plurality of special-shaped batteries are connected in parallel with fixed strip through said draw-in groove; The plane, place, top of a plurality of special-shaped battery string after the parallel connection is provided with a plurality of keysets; Said keyset is the strip circuit board, is provided with the through hole that lug passes and is printed with connecting circuit all around; Said a plurality of keyset links together through brace, is about to some battery units and is together in series; Above keyset, be provided with insulating trip, above insulating trip, be provided with baffle; Said baffle be have overcharge, cross put, the circuit control panel of overcurrent, short-circuit protection function.
2. special-shaped according to claim 1 lithium battery module is characterized in that: special-shaped cell is arc, and said arc circular arc is major arc or minor arc.
3. special-shaped according to claim 1 lithium battery module is characterized in that: with the special-shaped lithium battery module battery container of packing into, battery container is a cylindrical shape.
4. special-shaped according to claim 1 lithium battery module is characterized in that: special-shaped lithium battery module two ends are provided with loam cake and lower cover, and said loam cake is circular, and last cap surface is provided with lead and passes and use through hole; Said lower cover is circular.
5. special-shaped according to claim 1 lithium battery module; It is characterized in that: said baffle is the strip circuit control panel; Establish on it have overcharge, cross put, the testing circuit and the control circuit of overcurrent, short-circuit protection function; Said testing circuit and control circuit components and parts are installed on the circuit substrate of said baffle, and said baffle also is provided with detection with pad and voltage both positive and negative polarity o pads.
6. special-shaped according to claim 1 lithium battery module is characterized in that: cell support frame center is provided with the battery bulging and reaches installing hole and the lug outlet that is complementary with cell with through hole.
CN2011203708574U 2011-09-29 2011-09-29 Special-shaped lithium battery module Expired - Lifetime CN202285251U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103700794A (en) * 2013-12-26 2014-04-02 北京神州远望科技有限公司 Lithium battery pack of large underwater vehicle
CN104538570A (en) * 2015-01-12 2015-04-22 戴国群 Novel pressure resisting polymer lithium battery pack for underwater vehicle
CN105794013A (en) * 2015-06-01 2016-07-20 深圳市大疆创新科技有限公司 Battery pack and electronic device using same
CN106602135A (en) * 2017-02-08 2017-04-26 东莞市云帆电子科技有限公司 Reverse connection preventing lithium ion battery
CN106784468A (en) * 2016-12-21 2017-05-31 天津力神特种电源科技股份公司 A kind of novel circular battery housing structure
CN106784911A (en) * 2016-12-21 2017-05-31 天津力神特种电源科技股份公司 A kind of new battery pack structure fixed with supporting skid rail
CN107394084A (en) * 2017-08-29 2017-11-24 沈阳航天新光集团有限公司 A kind of underwater vehicle lithium battery group
CN108899600A (en) * 2018-05-17 2018-11-27 中国电力科学研究院有限公司 A kind of L-type lithium ion battery and its chemical synthesizing method
CN109698288A (en) * 2018-12-28 2019-04-30 出门问问信息科技有限公司 Battery packaging structure, battery and electronic equipment
CN110556487A (en) * 2019-08-30 2019-12-10 深圳先进储能材料国家工程研究中心有限公司 Secondary battery and efficient screening method thereof
CN111600057A (en) * 2020-05-15 2020-08-28 郑州仿弦新材料科技有限公司 Composite material structure battery with curved surface structure and preparation method and application thereof
CN111916413A (en) * 2020-08-11 2020-11-10 自贡市亿度储能科技有限公司 Protection shield heat radiation structure
WO2021102978A1 (en) * 2019-11-29 2021-06-03 东莞新能德科技有限公司 Battery assembly
WO2021102973A1 (en) * 2019-11-29 2021-06-03 东莞新能德科技有限公司 Battery

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103700794A (en) * 2013-12-26 2014-04-02 北京神州远望科技有限公司 Lithium battery pack of large underwater vehicle
CN103700794B (en) * 2013-12-26 2015-12-30 北京神州远望科技有限公司 Large Underwater submerge device lithium battery group
CN104538570A (en) * 2015-01-12 2015-04-22 戴国群 Novel pressure resisting polymer lithium battery pack for underwater vehicle
CN105794013B (en) * 2015-06-01 2018-07-03 深圳市大疆创新科技有限公司 The electronic device of battery component and the application battery component
WO2016192017A1 (en) * 2015-06-01 2016-12-08 深圳市大疆创新科技有限公司 Battery assembly and electronic device using the battery
CN108666455B (en) * 2015-06-01 2022-03-15 深圳市大疆创新科技有限公司 Battery pack and electronic device using same
CN108666455A (en) * 2015-06-01 2018-10-16 深圳市大疆创新科技有限公司 The electronic device of battery component and the application battery
CN105794013A (en) * 2015-06-01 2016-07-20 深圳市大疆创新科技有限公司 Battery pack and electronic device using same
CN106784468A (en) * 2016-12-21 2017-05-31 天津力神特种电源科技股份公司 A kind of novel circular battery housing structure
CN106784911A (en) * 2016-12-21 2017-05-31 天津力神特种电源科技股份公司 A kind of new battery pack structure fixed with supporting skid rail
CN106602135A (en) * 2017-02-08 2017-04-26 东莞市云帆电子科技有限公司 Reverse connection preventing lithium ion battery
CN107394084A (en) * 2017-08-29 2017-11-24 沈阳航天新光集团有限公司 A kind of underwater vehicle lithium battery group
CN107394084B (en) * 2017-08-29 2023-05-16 沈阳航天新光集团有限公司 Lithium battery pack for underwater vehicle
CN108899600A (en) * 2018-05-17 2018-11-27 中国电力科学研究院有限公司 A kind of L-type lithium ion battery and its chemical synthesizing method
CN109698288A (en) * 2018-12-28 2019-04-30 出门问问信息科技有限公司 Battery packaging structure, battery and electronic equipment
CN110556487A (en) * 2019-08-30 2019-12-10 深圳先进储能材料国家工程研究中心有限公司 Secondary battery and efficient screening method thereof
WO2021102978A1 (en) * 2019-11-29 2021-06-03 东莞新能德科技有限公司 Battery assembly
WO2021102973A1 (en) * 2019-11-29 2021-06-03 东莞新能德科技有限公司 Battery
CN113302776A (en) * 2019-11-29 2021-08-24 东莞新能德科技有限公司 Battery with a battery cell
CN114730974A (en) * 2019-11-29 2022-07-08 东莞新能德科技有限公司 Battery pack
CN114730974B (en) * 2019-11-29 2024-05-17 东莞新能德科技有限公司 Battery assembly
CN111600057B (en) * 2020-05-15 2021-10-29 郑州仿弦新材料科技有限公司 Composite material structure battery with curved surface structure and preparation method and application thereof
CN111600057A (en) * 2020-05-15 2020-08-28 郑州仿弦新材料科技有限公司 Composite material structure battery with curved surface structure and preparation method and application thereof
CN111916413A (en) * 2020-08-11 2020-11-10 自贡市亿度储能科技有限公司 Protection shield heat radiation structure

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