CN100555713C - The earthquake-resistant moisture-proof power battery pack - Google Patents
The earthquake-resistant moisture-proof power battery pack Download PDFInfo
- Publication number
- CN100555713C CN100555713C CNB2007100731929A CN200710073192A CN100555713C CN 100555713 C CN100555713 C CN 100555713C CN B2007100731929 A CNB2007100731929 A CN B2007100731929A CN 200710073192 A CN200710073192 A CN 200710073192A CN 100555713 C CN100555713 C CN 100555713C
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- electric core
- face
- battery pack
- earthquake
- power battery
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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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Abstract
A kind of earthquake-resistant moisture-proof power battery pack; comprise: shell (1), be arranged in a plurality of electric core (2) in the shell (1) and discharging and recharging and charge-discharge protection circuit plate (3) of being electrically connected with described electric core (2); be installed with vertically and radially limit the supporting structure (5) of described a plurality of electric cores (2) position in the described shell (1), a plurality of electric core (2) that is limited in the supporting structure (5) leaves the space each other.The electric core of in the battery pack of the present invention each location is reliable, can keep the excellent electric contact of each electric core, has good anti-seismic performance, and good heat dispersion performance, is very suitable for the various power battery pack of using under vibration environment.
Description
Technical field
The present invention relates to a kind of chargeable supply unit, relate in particular to a kind of lithium ion battery group that the vehicle power power supply is provided.
Background technology
Existing rechargable power supplies for example is used for the electrokinetic cell of electric bicycle, generally all adopts the mode of more piece electricity core parallel connection and serial connection to expand the capacity of battery, improves the voltage of battery.Wherein more piece electricity core has plenty of and directly is placed in the outer box of battery, this mounting means is because electric core lacks necessary fixing, make that electrically contacting of electric core is unreliable, outside vibrations are easy to influence the state of electric core, and entire cell job stability in the environment of height vibrations is very poor; What also have closely is fixed together more piece electricity core, though this mode has solved the problem of battery antidetonation to a certain extent, more piece electricity core squeezes and sticks together, and the heat radiation when being unfavorable for electric core work influences the job stability of battery equally.In addition, the shell of existing electrokinetic cell is made up of face-piece and drain pan mostly, joint between the two or be to adopt fastening structure, be both to be fixed by screw, the waterproof effect of above-mentioned two kinds of junctures of shell is all poor, when using under the environment on humidity or rainy day, the circuit board of inside battery is easy to can't operate as normal or short circuit because of making moist, even also can damage battery.
Summary of the invention
The technical problem to be solved in the present invention is to provide the earthquake-resistant moisture-proof power battery pack that a kind of internal electrical core is reliably fixing and dispel the heat good.
The technical scheme that the present invention solves the problems of the technologies described above employing is, manufacture and design a kind of power brick, comprise: shell, arrange a plurality of electric core in the enclosure and discharging and recharging and the charge-discharge protection circuit plate of being electrically connected with described electric core, be installed with vertically and radially limit the supporting structure of described a plurality of electric cores position in the described shell, be limited at a plurality of electric core in the supporting structure and leave the space each other and be beneficial to heat radiation; Described supporting structure is engaged by loam cake and lower cover and forms a box structure, the axial both ends of the end face of this box structure and bottom surface and each electric core offset, also be installed with a plurality of radial location assemblies in the box structure, the cavity shape of this radial location assembly and the sidewall shape of electric core are complementary and make it radially to locate each electric core.
Described shell is engaged by face-piece and drain pan and forms, and the jointing edge of described face-piece is provided with a circle groove, and the built-in waterproof apron that is placed with of this groove, the jointing edge of described drain pan are provided with the convex edge that just in time can embed in the described groove.When face-piece and drain pan be fixed be connected after, thereby the compacted purpose that reaches waterproof of waterproof apron.
Described discharge and recharge and the surface of charge-discharge protection circuit plate is sprayed with moisture barrier coatings, described discharge and recharge and the connector solder joint place of charge-discharge protection circuit plate scribbles layer of silica gel can be played the effect of protection against the tide, antistatic and anti-short circuit.
Described radial location assembly is to be arranged on many to cuff relative with lower cover medial surface and position of described loam cake, and each relative with the bottom surface of described end face limits an electric core to cuff.
The position relative with the electrode of each electric core has through hole on the end face of described supporting structure and the bottom surface, each end face that is listed as electric core respectively is connected a concavo-convex alternate metal contact with the bottom surface, and the recess of this metal contact is fixing with each electrode welding that this is listed as electric core respectively by each through hole.
Be provided with cushion between the end face of described supporting structure and bottom surface and the shell, can further improve its anti-seismic performance.
Also convex with at least two grabs on the jointing edge of described face-piece, the position corresponding with described grab is provided with the fixedly buckle recess of grab on the described drain pan; Under the state of described face-piece and drain pan joint, described grab just in time is buckled in corresponding buckle recess place.
Described face-piece and drain pan further link together more firmly by five screws at four jiaos and middle part.
Compare with prior art, power brick of the present invention has following advantage: in the power brick each electric core axially and radially all be fixed on reliably in the supporting structure, can keep the excellent electric contact of each electric core, have good seismic resistance; Evenly spaced apart between the adjacent electric core by supporting structure, the heat radiation when helping the work of electric core; In addition, convex-concave interlock place of battery pack case has additional waterproof apron, has extraordinary water-proof function; Have moisture barrier coatings on the protection circuit plate,, have the function of antistatic, anti-short circuit simultaneously even under adverse circumstances such as wet weather or rainy day, use the power brick also can operate as normal.Above each point all helps keeping battery pack reliability during operation and stability, prolongs the working life of battery pack.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION figure of earthquake-resistant moisture-proof power battery pack of the present invention;
Fig. 2 is the exploded view of described electric core group and supporting structure 5 thereof;
Fig. 3 is the upward view of earthquake-resistant moisture-proof power battery pack of the present invention;
Fig. 4 is the A-A profile among Fig. 3;
I portion enlarged drawing among Fig. 4 of Fig. 5;
Fig. 6 is the B-B profile among Fig. 3;
Fig. 7 is the II portion enlarged drawing among Fig. 6;
Fig. 8 is the III portion enlarged drawing among Fig. 6.
Embodiment
Be described in further detail below in conjunction with the most preferred embodiment shown in the accompanying drawing.
What as depicted in figs. 1 and 2, earthquake-resistant moisture-proof power battery pack of the present invention comprised shell 1, is arranged in a plurality of electric core 2 in the shell 1, is electrically connected with described electric core 2 discharges and recharges and charge-discharge protection circuit plate 3 and the supporting structure 5 that is used to place and fix described a plurality of electric cores 2.Described supporting structure 5 is vertically and radially fixing with each electric core 2, and the heat when keeping certain spacing to be beneficial to electric core 2 work between each electric core 2 is distributed.
As shown in Figure 2, described supporting structure 5 is engaged by loam cake 52 and lower cover 53 and forms a box structure.A two side and an end face down were installed with a plurality of radial location assemblies 51 in the inboard of this end face before and after described loam cake 52 had, and the sidewall shape of the cavity shape of this radial location assembly 51 and electric core 2 is complementary and makes it radially to locate each electric core 2.For example, when the cross section of described electric core 2 is square, the inner chamber of described radial location assembly 51 is also corresponding to be square, perhaps, in present embodiment, when the cross section of described electric core 2 was rounded, described radial location assembly 51 was the rounded cuff of inner chamber, and the two side, front and back of described loam cake 52 is the shape that a plurality of parts face of cylinder joins simultaneously.Described lower cover 53 is symmetrical structure up and down with loam cake 52, be located at loam cake 52 respectively and cuff 51 radially defined the position of an electric core 2 with relative up and down each on the lower cover 53, and the both ends up and down of the bottom surface of the end face of loam cake 52 and lower cover 53 and each electric core 2 offset, thus can be with each electric core 2 axial location.Distance between the described adjacent cuff 51 and thickness thereof form the heat-dissipating space between the adjacent electric core 2 and can prevent short circuit (as Fig. 4) between each electric core 2.
As shown in Figure 2, position relative with the electrode of each electric core 2 on the bottom surface of the end face of described loam cake 52 and lower cover 53 has through hole 54, each end face that is listed as electric core 2 respectively is connected a concavo-convex alternate metal contact 6 with the bottom surface, and these metal contact 6 recesses are fixing with each electrode welding that this is listed as electric core 2 respectively by each through hole 54.In the time will connecting the electric core 2 of adjacent two row, will link to each other by brace 61 between the two metal contacts 6 of this correspondence, correspondingly, have on the bottom surface of the end face of described loam cake 52 or lower cover 53 can ccontaining this brace 61 transverse concave groove 55.Metal contact 6 ends that are connected with described circuit board 3 are provided with and ride over loam cake 52 or the outer tab 62 of lower cover 53 sidewalls, the convenient electric wire that connects.
When electric core 2 has when a plurality of, can be as required with its grouping.In the present embodiment, have two groups of electricity cores 2, every group all has five row four lines totally two ten electric cores 2, and every group of electricity core 2 is installed in the supporting structure 5.During installation, earlier electric core 2 is installed on the loam cake 52 on request, the lower cover 53 that closes then, hydraulic cutting presser compresses by hand again, at last adjacent supports structure 5 is linked together.
As shown in Figure 1, be provided with cushion 7 between the end face of described supporting structure 5 and bottom surface and the shell 1, thereby can better protect entire bracket structure 5 and interior electric core 2 thereof, improve its shatter-resistant anti-seismic performance.
Extremely shown in Figure 8 as Fig. 1, Fig. 4, described shell 1 is engaged by face-piece 11 and drain pan 12 and forms, the jointing edge of described face-piece 11 is provided with a circle groove 111, and these groove 111 built-in waterproof aprons 13 that are placed with, the jointing edge of described drain pan 12 are provided with the convex edge 121 that just in time can embed in the described groove 111.Convex with at least two grabs 112 on the jointing edge of described face-piece 11, position corresponding with described grab 112 on the described drain pan 12 is provided with the fixedly buckle recess 122 of grab 112.In the present embodiment, described grab 112 and buckle recess 122 set up separately in shell 1 leading flank middle part and three positions of right part and trailing flank middle part.During installation, the convex-concave bite of face-piece 11 and drain pan 12 jointing edges is aimed at the back firmly to fasten, thereby described grab 112 just in time ejects face-piece 11 and drain pan 12 fastenings from the buckle recess 122 of correspondence, again with five screw 8 secure fixation (as shown in Figure 3) of described face-piece 11 and drain pan 12 by four jiaos and middle part, at this moment, thus waterproof apron 13 compacted distortion reach good waterproof effect.
In addition; described discharge and recharge and the surface of charge-discharge protection circuit plate 3 is sprayed with moisture barrier coatings; described discharge and recharge and the connector solder joint place of charge-discharge protection circuit plate 3 scribbles layer of silica gel can moistureproof dustproof and antistatic, has improved the reliability that circuit board 3 is worked under wet environment.
Claims (8)
1, a kind of earthquake-resistant moisture-proof power battery pack, comprise: shell (1), be arranged in a plurality of electric core (2) in the shell (1) and discharging and recharging and charge-discharge protection circuit plate (3) of being electrically connected with described electric core (2), it is characterized in that: be installed with vertically and radially limit the supporting structure (5) of described a plurality of electric cores (2) position in the described shell (1), a plurality of electric core (2) that is limited in the supporting structure (5) leaves the space each other; Described supporting structure (5) is engaged by loam cake (52) and lower cover (53) and forms a box structure, the axial both ends of the end face of this box structure and bottom surface and each electric core (2) offset, also be installed with a plurality of radial location assemblies (51) in the box structure, the sidewall shape of the cavity shape of this radial location assembly (51) and electric core (2) is complementary and makes it radially to locate each electric core (2).
2, earthquake-resistant moisture-proof power battery pack according to claim 1, it is characterized in that: described shell (1) is engaged by face-piece (11) and drain pan (12) and forms, the jointing edge of described face-piece (11) is provided with a circle groove (111), the built-in waterproof apron (13) that is placed with of this groove (111), the jointing edge of described drain pan (12) are provided with the convex edge (121) that just in time can embed in the described groove (111).
3, earthquake-resistant moisture-proof power battery pack according to claim 2; it is characterized in that: described discharge and recharge and the surface of charge-discharge protection circuit plate (3) is sprayed with moisture barrier coatings, described discharge and recharge and the connector solder joint place of charge-discharge protection circuit plate (3) scribbles layer of silica gel.
4, according to claim 1,2 or 3 described earthquake-resistant moisture-proof power battery pack, it is characterized in that: described radial location assembly (51) is for being arranged on many to cuff relative with lower cover (53) medial surface and position of described loam cake (52), and each relative with the bottom surface of described end face is to a cuff qualification electric core (2).
5, according to claim 1,2 or 3 described earthquake-resistant moisture-proof power battery pack, it is characterized in that: the position relative with the electrode of each electric core (2) has through hole (54) on the end face of described supporting structure (5) and the bottom surface, each end face that is listed as electric core (2) respectively is connected a concavo-convex alternate metal contact (6) with the bottom surface, and the recess of this metal contact (6) is fixing with each electrode welding that this is listed as electric core (2) respectively by each through hole (54).
6, according to claim 1,2 or 3 described earthquake-resistant moisture-proof power battery pack, it is characterized in that: be provided with cushion (7) between the end face of described supporting structure (5) and bottom surface and the shell (1).
7, earthquake-resistant moisture-proof power battery pack according to claim 2, it is characterized in that: also convex with at least two grabs (112) on the jointing edge of described face-piece (11), described drain pan (12) is gone up the position corresponding with described grab (112) and is provided with the fixedly buckle recess (122) of grab (112); Under the state of described face-piece (11) and drain pan (12) joint, described grab (112) just in time is buckled in corresponding buckle recess (122) and locates.
8, according to claim 2 or 7 described earthquake-resistant moisture-proof power battery pack, it is characterized in that: described face-piece (11) and drain pan (12) link together by five screws (8) at four jiaos and middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100731929A CN100555713C (en) | 2007-02-02 | 2007-02-02 | The earthquake-resistant moisture-proof power battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100731929A CN100555713C (en) | 2007-02-02 | 2007-02-02 | The earthquake-resistant moisture-proof power battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101237033A CN101237033A (en) | 2008-08-06 |
| CN100555713C true CN100555713C (en) | 2009-10-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100731929A Expired - Fee Related CN100555713C (en) | 2007-02-02 | 2007-02-02 | The earthquake-resistant moisture-proof power battery pack |
Country Status (1)
| Country | Link |
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| CN (1) | CN100555713C (en) |
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| JP5476769B2 (en) * | 2009-03-31 | 2014-04-23 | ソニー株式会社 | Battery device |
| EP2475022B1 (en) * | 2009-12-31 | 2014-12-10 | Hangzhou Wanma High-Energy Battery Co., Ltd. | Lithium ion battery specially used for starting of motorcycle |
| CN102244216B (en) * | 2010-05-11 | 2014-01-29 | 欣旺达电子股份有限公司 | Battery bracket component and multi-section combined public bracket of cylindrical battery cells |
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-
2007
- 2007-02-02 CN CNB2007100731929A patent/CN100555713C/en not_active Expired - Fee Related
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| CN101237033A (en) | 2008-08-06 |
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Granted publication date: 20091028 Termination date: 20170202 |