CN103474611B - A kind of battery pack - Google Patents
A kind of battery pack Download PDFInfo
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- CN103474611B CN103474611B CN201310364889.7A CN201310364889A CN103474611B CN 103474611 B CN103474611 B CN 103474611B CN 201310364889 A CN201310364889 A CN 201310364889A CN 103474611 B CN103474611 B CN 103474611B
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- bus
- pole
- sealing cover
- sleeve
- heat
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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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- Connection Of Batteries Or Terminals (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a kind of battery pack, comprise several cell, several cell is connected successively by connecing bus in several, cell comprises a housing, housing has an opening, and opening part seal cover unification heat-sealing cover, heat-sealing cover is provided with two poles, pole the inner is in housing, and pole outer end stretches out through after heat-sealing cover; The outer end of pole is cylindric; Inside connect bus to be formed by each affixed sleeve in conducting strip two ends, sleeve is hollow cylindrical, and the external diameter of sleeve diameter and pole outer end is suitable, and sleeve and secure fit are inserted in pole outer end.In the present invention, connected by fast bus of inserting between the pole of battery, its connected structure is succinct, firm and reliable connection, contact closely, assembling is quick, and can increase work efficiency, and can reduce contact resistance, increase conductivity, reduce temperature rise, improve multiplying power, improve useful life, the combination property of battery is significantly improved.
Description
Technical field
The invention belongs to cell manufacturing techniques field, be specifically related to a kind of simple for structure, be convenient to assemble battery pack structure.
Background technology
Traditional battery pole, bus, adopting screw to be fixedly connected with between pole with bus, there is following defect in it: 1, due to being dismounted for multiple times screw, produces the sliding tooth of pole screw thread, causes both to connect insecure.2, bus and pole surface contact are not tight, and contact resistance is large.3, along with screw loosening phenomenon appears in the use (vibrate and expand with heat and contract with cold) of battery, and then have impact on serviceability and the useful life of battery.For this reason, China Patent No. 201020504334.X discloses the assembly structure of a kind of battery electrode column and bus, is fixedly linked between its bus and pole by clamping.
Though above-mentioned patented product has its advantage, there is following defect in it: the interface arrangment formed between pole and bus is comparatively complicated, is not easy to produce, and quick not in both assembling process.
Summary of the invention
For solving the above-mentioned technical problem that prior art exists, the invention discloses a kind of battery pack, it is simple for structure, contact is tight, assembling is quick.
The present invention takes following technical scheme: a kind of battery pack, comprise several cell, several cell is connected successively by connecing bus in several, described cell comprises a housing, housing has an opening, and opening part seal cover unification heat-sealing cover, heat-sealing cover is provided with two poles, pole the inner is in housing, and pole outer end stretches out through after heat-sealing cover; The outer end of described pole is cylindric; Connect bus in described to be formed by each affixed sleeve in conducting strip two ends, sleeve is hollow cylindrical, and the external diameter of sleeve diameter and described pole outer end is suitable, described pole outer end insert described in sleeve and secure fit.
Preferably, the neighboring of heat-sealing cover is rectangle frame shape, and toward the outer side, its two broadsides respectively form a microscler crack to this frame, and two cracks correspond respectively to positive and negative terminals; Two long limits of frame respectively form two microscler cracks, and corresponding crack position, two long limits corresponds respectively to positive and negative terminals; Described crack for stretch through described in connect the conducting strip of bus.
Preferably, battery pack outwards exports electric energy by two external buss: by conducting strip two ends, affixed second sleeve, coupling form described external bus respectively, the second described sleeve is hollow cylindrical, second sleeve diameter be not connected in connect the external diameter of the pole outer end of bus suitable, described do not connect in connect bus pole outer end insert described in the second sleeve and secure fit; The conducting strip of external bus stretches out outside heat-sealing cover through the corresponding crack of corresponding cell heat-sealing cover, and coupling is in outside heat-sealing cover.
Preferably, the inner surface of sleeve in the shape of a spiral.
Preferably, the sheathed clamp ring of the outer wall of sleeve.
Preferably, bus is inside connect and external bus is all connected with a voltage acquisition line, outside voltage acquisition line leads to.
Preferably, between two cracks on homonymy long limit, frame forms cable tray; Described voltage acquisition line connects bus or after externally bus is drawn, the cable tray along heat-sealing cover is linearly to stretch out from interior.
Preferably, inside connect bus or externally bus temperature connector is installed, outside temperature connector is led to by temperature acquisition line.
Preferably, on heat-sealing cover, binding location hole and trough is formed; Described temperature acquisition line connects bus or after externally bus is drawn, first through the trough of heat-sealing cover, utilize binding location hole to be fixed temperature acquisition line, the rear cable tray along heat-sealing cover is linearly to stretch out from interior.
Preferably, housing is Fang Tizhuan, its first side forms projection and shrinkage pool, the opposite side relative with the first side also forms projection and shrinkage pool, but the projection on two opposite flanks and the shape of shrinkage pool suitable, and position is exchanged mutually, namely between neighboring unit cell, insert the shrinkage pool of another cell adjacent by the projection of a cell and both generals are assembled.
Preferably, pole and heat-sealing cover are integrated shape.
Preferably, the end, outer end of pole is with self-locking area separation structure.
Preferably, pole self-locking area separation structure back-off locks a self-locking Capsule, and self-locking Capsule is as the use of both positive and negative polarity differentiation.
Battery pack of the present invention has following technique effect:
Connected by fast bus of inserting between the pole of one, battery, its connected structure is succinct, firm and reliable connection, contact closely, assembling is quick, and can increase work efficiency, and can reduce contact resistance, increase conductivity, reduce temperature rise, improve multiplying power, improve useful life, the combination property of battery is significantly improved.
Two, in a preferred approach, at least one bus of this battery pack is provided with temperature sampling connector and each bus all extraction voltage sample line be connected with sleeve, so that be connected fast between management system with battery, drastically increases operating efficiency.
Three, in a preferred approach, designed by heat-sealing cover upward wiring, make the wiring of the cabling of management system in battery pack structure neat, in order, be convenient to the various operations of cabling as searched, fixing, maintenance etc.
Above three have a general character namely to facilitate installation and the safety in utilization of the maintenance be convenient in the future and raising battery.
Accompanying drawing explanation
Fig. 1 is the plan structure figure of cell.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the B-B cutaway view of Fig. 2.
Fig. 4 is a kind of front view of battery pack.
Fig. 5 is a kind of vertical view of battery pack.
Fig. 6 is a kind of left view of battery pack.
Fig. 7 is a kind of stereogram of battery pack.
Fig. 8 is pole and the assembly structure such as bus and lead-in wire vertical view.
Fig. 9 is pole and the assembly structure such as bus and lead-in wire stereogram.
Figure 10 is the longitudinal sectional view of the external bus of L-type.
Figure 11 is the vertical view of the external bus of L-type.
Figure 12 is the stereogram of the external bus of L-type.
Figure 13 is the longitudinal sectional view of external bus.
Figure 14 is the vertical view of external bus.
Figure 15 is the stereogram of external bus.
Figure 16 connects the longitudinal sectional view of bus in being.
Figure 17 connects the vertical view of bus in being.
Figure 18 connects the stereogram of bus in being.
Figure 19 is the longitudinal sectional view of pole.
Figure 20 is the vertical view of pole.
Figure 21 is the front view of heat-sealing cover.
Figure 22 is the vertical view of heat-sealing cover.
Figure 23 is the left view of heat-sealing cover.
Figure 24 is the C-C cutaway view of Figure 22.
Figure 25 is the stereogram of heat-sealing cover.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiment of the present invention is elaborated.
As Figure 1-3, the cell of the present embodiment comprises side's body shape plastic casing 9, these housing 9 internal battery parts, its have one suitable for reading, sealing suitable for reading covers heat-sealing cover 6.The middle part assembling safety valve 4 of heat-sealing cover 6, both contact positions are encased inside O RunddichtringO 5.Safety valve 4 towards outer end also cover cap have trim 3.
Heat-sealing cover 6 is equipped with the i.e. positive and negative terminals of two poles 8, positive and negative terminals and heat-sealing cover are integrated shape, and positive terminal, negative terminal are arranged at the both sides of safety valve symmetrically.See Figure 19-20, the longitudinal section of pole 8 is ⊥ shape, and its inner segment 8-1 is cube-shaped, vertical section 8-2 is cylindrical shape, form annular groove 8-3 with on the inner segment 8-1 of vertical section 8-2 junction periphery, this annular groove for snapping in the corresponding portion of heat-sealing cover 6, and loads O RunddichtringO 7 between the two.Inner segment 8-1 is in the inner side of heat-sealing cover 6, vertical section 8-2 stretches out through heat-sealing cover 6, the end of its outer end is with self-locking area separation structure, in the present embodiment, the longitudinal section of this end is I-shaped shape, and this I-shaped portion back-off locks a self-locking Capsule and both positive and negative polarity distinguishes cap 2, i.e. Positive Poles dress positive pole Capsule, negative pole pole dress negative pole Capsule, self-locking Capsule is as the use of both positive and negative polarity differentiation.
Snapping outward appearance lid 1 outside heat-sealing cover 6, outward appearance lid 1 has two and distinguishes the corresponding hole of cap 2 with both positive and negative polarity, both positive and negative polarity is distinguished outside cap 2 is revealed in, to show differentiation both positive and negative polarity.
See Figure 21-25, the neighboring of heat-sealing cover 6 is rectangle frame shape, and toward the outer side, its two broadsides respectively form a microscler crack 6-1 to this frame, and two crack 6-1 correspond respectively to positive and negative terminals.Article two, long limit respectively forms two microscler crack 6-2, and corresponding crack 6-2 position, two long limits corresponds respectively to positive and negative terminals.Like this, each pole has three (three directions) crack corresponding thereto.Crack is used for the bus that stretches through.Four U-shaped cable tray 6-3 are formed between two crack 6-2 of homonymy, for interconnector cabling.Heat-sealing cover between assembling positive and negative terminals and assembling safety valve forms chimb respectively, chimb forms two square binding location hole 6-4.Crack 6-1,6-2 place devises weak link, can be got rid of when bus walked by needs, then without the need to getting rid of when not needing cabling, maintains its aesthetics and consistency.See Figure 25, at the other U-shaped cable tray 6-5 in addition of square binding location hole, line is out walked toward cable tray 6-3 from cable tray 6-5 after the binding of square binding location hole again, and the line of binding location hole increases along with the increase of battery.
See Fig. 4-7, the present embodiment four cells are affixed arrangement side by side, and connect bus in passing through successively and be connected (inside connecing the both positive and negative polarity that bus two ends connect adjacent cell pole respectively), are assembled into battery pack.See Fig. 3,7, shell one side (long limit and flash enclose side) of cell forms two projection 9-1 and two shrinkage pool 9-2, and the opposite side that side is relative therewith also forms two projections and two shrinkage pools, but the projection on two sides and the shape of shrinkage pool suitable, and position is exchanged mutually, namely, between neighboring unit cell, insert two shrinkage pools of another cell by two projections of a cell and both are bolted together.
Connect in passing through between neighboring unit cell bus connect structure details are as follows: see Fig. 4-7, the present embodiment battery pack is assembled by four cells, connect bus in the both positive and negative polarity of neighboring unit cell passes through to connect, as Fig. 8,9, shown in 16-18, inside connect bus and comprise a square conducting strip 10, two of conducting strip 10 connects a sleeve (or claiming splicing ear) 11 respectively by (vertically) riveting, sleeve 11 is in hollow cylindrical.The internal diameter of sleeve 11 and the vertical section 8-2 external diameter of pole 8 suitable, namely insert the vertical section 8-2 of pole 8 in sleeve 11 and both be fixedly linked.And, the helical form of inner surface in rule of sleeve 11, thus the intimate contact force with pole (polished rod) can be increased, and contact resistance, increase conductivity, reduction temperature rise, raising multiplying power can be reduced, improve battery cycle life, the combination property of battery is significantly improved.
Separately, in the sheathed clamp ring 12 of medial segment outer wall of sleeve 11, be used for locking bus 10 and the tautness of sleeve 11, to strengthen the firmness that sleeve 11 contacts with pole 8 further, prevent from revealing loosening phenomenon between the two.
The vertical section 8-2 outer end of pole 8 is stretched out outside sleeve 11, and this termination, by Capsule (namely aforesaid both positive and negative polarity distinguish cap 2) cover cap, loosens to prevent bus or comes off, contacts the phenomenons such as not tight; Capsule and pole exposed junction back-off, form self-locking mechanism.
The conducting strip 10 inside connecing bus passes the corresponding crack 6-2 of adjacent heat capping 6.
The present embodiment battery pack outwards exports electric energy by an external bus and the external bus of another root L-type.See Figure 10-12, connect bus difference and be in shown in the external bus of L-type and Figure 16-18: it establishes a sleeve 11, it is connected with the Positive Poles being in outermost one cell; The coupling 15 of a other end then affixed hollow cylindrical, this coupling 15 is perpendicular with conducting strip 10.The conducting strip 10 of the external bus of this L-type passes the corresponding crack 6-2 of this cell heat-sealing cover 6, and coupling 15 is in outside heat-sealing cover 6.
See Figure 13-15, connect bus difference and be in shown in external bus and Figure 16-18: it establishes a sleeve 11, it is connected with the negative pole pole being in another cell of outermost; The coupling 15 of a other end then affixed hollow cylindrical, this coupling 15 is in same straight line with conducting strip 10.The conducting strip 10 of this external bus passes the corresponding crack 6-1 of this cell heat-sealing cover 6, and coupling 15 is in outside heat-sealing cover 6.
On battery pack at least one bus, install a temperature connector 13, the temperature connector 13 of the present embodiment is one, and it is loaded in one and connects on bus, and it is set in this interior segmentum laterale connecing the sleeve 11 of bus.Temperature connector 13 is drawn outside battery pack and with the battery management system in the external world by temperature acquisition line 14 and is connected, temperature connector adopts prior art, it gathers internal temperature of battery, and passes to outside battery management system, to guarantee the safe operation of battery.Temperature connector 13 and temperature acquisition line 14 insert respectively after corresponding sleeve and are flattened sleeve local, thus two lines are coupled together, and it is swift to operate, convenient, reliable; Other adopts line ball also can adopt this kind of connected mode.
Again see Fig. 8-18, each bus is all connected with a voltage acquisition line 16, sleeve local is flattened after inserting corresponding sleeve by voltage acquisition line 16 again.The many voltage acquisition line 16(being in homonymy wherein also have temperature acquisition line 14 in side) tied up by several tieing wire knot 17, except one of them two poles of outermost, all the other poles are all to there being two tieing wire knots 17, voltage acquisition line 16 after tying up extends from this end to the other end, until draw outside battery pack.
Voltage acquisition line 16 connects bus from interior or after externally bus is drawn, out walk toward cable tray 6-3 after the binding of square binding location hole again, stretch out along cable tray 6-3 is linearly from the cable tray 6-5 of heat-sealing cover.Temperature acquisition line 14 connects after bus draws from interior, and first through the trough 6-5 of heat-sealing cover, utilize binding location hole 6-4 to be fixed temperature acquisition line, the rear cable tray 6-3 along heat-sealing cover is linearly to stretch out.Its wire structures is clean and tidy, orderly, is convenient to the various operations of line; Due to the above feature of circuit, add the safety in utilization of battery.
Above the preferred embodiments of the present invention are described in detail, for those of ordinary skill in the art, according to thought provided by the invention, embodiment will change, and these changes also should be considered as protection scope of the present invention.
Claims (12)
1. a battery pack, comprises several cell, and in one, connect bus connection between neighboring unit cell, the two ends inside connecing bus are connected to positive pole, the negative pole of neighboring unit cell pole; Described cell comprises a housing, and housing has an opening, opening part seal cover unification heat-sealing cover, and heat-sealing cover is provided with two poles, pole the inner is in housing, and pole outer end stretches out through after heat-sealing cover; It is characterized in that: the outer end of described pole is cylindric; Connect bus in described to be formed by each affixed sleeve in conducting strip two ends, sleeve is hollow cylindrical, and the external diameter of sleeve diameter and described pole outer end is suitable, described pole outer end insert described in sleeve and secure fit; The neighboring of described heat-sealing cover is rectangle frame shape, and toward the outer side, its two broadsides respectively form a crack to this frame, and two cracks correspond respectively to positive and negative terminals; Two long limits of frame respectively form two cracks, and corresponding crack position, two long limits corresponds respectively to positive and negative terminals; Described crack for stretch through described in connect the conducting strip of bus.
2. battery pack as claimed in claim 1, is characterized in that: described battery pack outwards exports electric energy by two external buss; By conducting strip two ends, affixed second sleeve, coupling form described external bus respectively, the second described sleeve is hollow cylindrical, second sleeve diameter be not connected in connect the external diameter of the pole outer end of bus suitable, described do not connect in connect bus pole outer end insert described in the second sleeve and secure fit; The conducting strip of external bus stretches out outside heat-sealing cover through the corresponding crack of corresponding cell heat-sealing cover, and coupling is in outside heat-sealing cover.
3. the battery pack as described in any one of claim 1-2, is characterized in that: the inner surface of sleeve or the second sleeve in the shape of a spiral.
4. the battery pack as described in any one of claim 1-2, is characterized in that: the sheathed clamp ring of outer wall of sleeve.
5. battery pack as claimed in claim 2, is characterized in that: inside connect bus and external bus is all connected with a voltage acquisition line, outside voltage acquisition line leads to.
6. battery pack as claimed in claim 5, is characterized in that: between two cracks on homonymy long limit, frame forms cable tray; Described voltage acquisition line connects bus or after externally bus is drawn, the cable tray along heat-sealing cover is linearly to stretch out from interior.
7. battery pack as claimed in claim 6, is characterized in that: inside connect bus or externally bus temperature connector is installed, outside temperature connector is led to by temperature acquisition line.
8. battery pack as claimed in claim 7, is characterized in that: on heat-sealing cover, form binding location hole and trough; Described temperature acquisition line connects bus or after externally bus is drawn, first through the trough of heat-sealing cover, utilize binding location hole to be fixed temperature acquisition line, the rear cable tray along heat-sealing cover is linearly to stretch out from interior.
9. battery pack as claimed in claim 1, it is characterized in that: described housing is Fang Tizhuan, its first side forms projection and shrinkage pool, the opposite side relative with the first side also forms projection and shrinkage pool, but the projection on two opposite flanks and the shape of shrinkage pool suitable, and position is exchanged mutually, namely between neighboring unit cell, insert the shrinkage pool of another cell adjacent by the projection of a cell and both generals are assembled.
10. battery pack as claimed in claim 1, is characterized in that: described pole and heat-sealing cover are integrated shape.
11. battery pack as claimed in claim 1, is characterized in that: the end, outer end of described pole is with self-locking area separation structure.
12. battery pack as claimed in claim 11, is characterized in that: pole self-locking area separation structure back-off locks a self-locking Capsule, and self-locking Capsule is as the use of both positive and negative polarity differentiation.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310364889.7A CN103474611B (en) | 2013-08-20 | 2013-08-20 | A kind of battery pack |
| PCT/CN2014/084212 WO2015024470A1 (en) | 2013-08-20 | 2014-08-12 | Single-cell battery and ready-packaged battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310364889.7A CN103474611B (en) | 2013-08-20 | 2013-08-20 | A kind of battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN103474611A CN103474611A (en) | 2013-12-25 |
| CN103474611B true CN103474611B (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310364889.7A Active CN103474611B (en) | 2013-08-20 | 2013-08-20 | A kind of battery pack |
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| CN (1) | CN103474611B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015024470A1 (en) * | 2013-08-20 | 2015-02-26 | 余姚市百立嘉电子有限公司 | Single-cell battery and ready-packaged battery pack |
| CN105679973B (en) * | 2016-03-10 | 2018-03-27 | 闻人红雁 | A kind of end cap plastic-aluminum one electrochemical cell |
| CN109888367B (en) * | 2019-02-28 | 2021-05-25 | 江苏中兴派能电池有限公司 | Lithium ion battery produced by recycling waste lithium ion battery |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201503888U (en) * | 2009-08-12 | 2010-06-09 | 孙凤启 | Novel lithium battery pack |
| CN201638864U (en) * | 2010-04-01 | 2010-11-17 | 力柏时代锂动力科技（北京）有限公司 | Variably-connected battery box |
| CN202454652U (en) * | 2012-02-22 | 2012-09-26 | 高平唐一新能源科技有限公司 | Lithium battery case |
| CN203481310U (en) * | 2013-08-20 | 2014-03-12 | 余姚市百立嘉电子有限公司 | Ready-packaged battery pack |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010212155A (en) * | 2009-03-11 | 2010-09-24 | Mitsubishi Heavy Ind Ltd | Terminal connecting member material and battery pack |
-
2013
- 2013-08-20 CN CN201310364889.7A patent/CN103474611B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201503888U (en) * | 2009-08-12 | 2010-06-09 | 孙凤启 | Novel lithium battery pack |
| CN201638864U (en) * | 2010-04-01 | 2010-11-17 | 力柏时代锂动力科技（北京）有限公司 | Variably-connected battery box |
| CN202454652U (en) * | 2012-02-22 | 2012-09-26 | 高平唐一新能源科技有限公司 | Lithium battery case |
| CN203481310U (en) * | 2013-08-20 | 2014-03-12 | 余姚市百立嘉电子有限公司 | Ready-packaged battery pack |
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| CN103474611A (en) | 2013-12-25 |
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Owner name: ZHEJIANG GBS ENERGY CO., LTD. Free format text: FORMER OWNER: YUYAO BAILIJIA ELECTRONIC CO., LTD. Effective date: 20150410 |
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Effective date of registration: 20150410 Address after: North East Yuyao city 315400 Zhejiang city of Ningbo province No. 6 Applicant after: ZHEJIANG GBS ENERGY Co.,Ltd. Address before: North East Yuyao city 315400 Zhejiang city of Ningbo province No. 6 Applicant before: YUYAO BRIDGE ELECTRONICS Co.,Ltd. |
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Denomination of invention: A battery pack Effective date of registration: 20220725 Granted publication date: 20160106 Pledgee: China Co. truction Bank Corp Yuyao branch Pledgor: ZHEJIANG GBS ENERGY Co.,Ltd. Registration number: Y2022330001515 |