CN103268922A - Battery and battery pack - Google Patents

Battery and battery pack Download PDF

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Publication number
CN103268922A
CN103268922A CN2013101600677A CN201310160067A CN103268922A CN 103268922 A CN103268922 A CN 103268922A CN 2013101600677 A CN2013101600677 A CN 2013101600677A CN 201310160067 A CN201310160067 A CN 201310160067A CN 103268922 A CN103268922 A CN 103268922A
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battery
housing
pole
end cap
hole
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CN2013101600677A
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CN103268922B (en
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王为希
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ZHEJIANG GBS ENERGY CO Ltd
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Individual
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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

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  • Connection Of Batteries Or Terminals (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention relates to a battery, comprising an end cap, a casing, an electric core, a pole ear, a pole column and a busbar, wherein at least one port is formed on the casing, and the port is covered by the end cap with a through hole; the electric core is mounted in the casing, the electric core is connected with the pole ear, the pole ear is arranged in the casing, the pole ear is connected with the pole column, the pole column extends from the casing by the through hole on the end cap, and the external side of the pole column is connected with the busbar; and the casing is in a cylindrical shape, and heat radiation convex ribs are formed on the external wall of the casing. The invention further discloses a battery set, which is assembled by a plurality of the batteries through a module support plate, and the through holes for installing the batteries are arranged on the module support plate. The battery has advantages of good heat radiation effect, good tightness, good security, long service life, waterproof and dustproof characteristics, simple assembly and low cost.

Description

A kind of battery and battery pack
Patent application of the present invention is the application number that State Intellectual Property Office of the People's Republic of China accepts: 201110032586.6, and the applying date: on January 28th, 2011, applicant: Wang Weixi, denomination of invention: the dividing an application of a kind of battery and battery pack.
Technical field
The invention belongs to battery manufacturing technology field.
Background technology
Battery is electric motor car " heart ", and its performance directly has influence on performance and the quality of electric motor car.There is following defective in the battery of prior art:
One, radiating effect is one of important indicator of estimating battery performance.Present battery container adopts cube structure, and there is the defective of radiating effect difference in the battery of this structure, and also is unfavorable for arranging assembling in groups.
Two, sealing property also is one of the key technical indexes of battery, the battery of poor sealing performance, and its fail safe is low, useful life short.The structure of battery end is bigger to the sealing property influence of battery.But also there is weak point in the end construction of existing battery aspect the sealing difference.
Three, the positive pole of single battery, negative pole are drawn from the one or both ends of housing, and its end exposed part mainly comprises pole, bus etc., a plurality of batteries in groups after again in shell of whole outer cover.The defective that this structure exists is: because the battery end does not have special guard member; parts such as bus, pole are easily by pollutions such as aqueous vapor, dusts, thereby influence the operate as normal of battery, reduce its useful life; when serious, can cause phenomenons such as battery short circuit, misoperation.
Four, as the battery pack of electric motor car power source generally by several batteries by assembling, several batteries need to adopt special machine to finish in assembling process.There are some defectives in the assembled battery process at present: as, the battery assembling is wasted time and energy; After the battery dismounting, can't be again with its assembling, thus this battery is just scrapped the waste resource; Need the special machine of configuration, increased the cost of assembling, etc.
Therefore, be necessary existing battery is improved and innovates, to overcome above-mentioned defective.
Summary of the invention
The invention discloses a kind of battery, it solves the above-mentioned technical problem that prior art exists, and battery of the present invention has excellent in heat dissipation effect, good airproof performance, safe, long service life, water proof and dust proof, simple and easy and low cost and other advantages in groups.
For achieving the above object, the present invention takes following technical scheme: a kind of battery, comprise end cap, housing, electric core, lug, pole, bus, and housing forms a port at least, and port is sealed by the end cap that has through hole; Adorn electric core in the housing, electric core links to each other with lug, and lug is in the housing, and lug links to each other with pole, and pole stretches out outside the housing by the through hole of end cap, and the pole outside links to each other with bus; It is characterized in that: housing is cylindrical, and the housing outer wall forms the heat radiation convex tendon.
Preferably, housing port edge forms annular breach, and this annular breach embeds described end cap, is encased inside a sealing ring between end cap and housing; The port part outer wall of the housing screw-cap that spins, screw-cap compresses end cap and housing; Be encased inside a sealing shroud between end cap and the pole.
Preferably, sealing shroud encases the surfaces externally and internally of end cap near through hole to the two sides turnover; Described pole is one-body molded by three sections, comprises in-flanges, stage casing, outwardly projecting portion, the stretch through stage casing of pole of the through hole of described end cap, and the outer wall in pole stage casing touches mutually with sealing shroud; The in-flanges of pole touches mutually with the inner surface portion that sealing shroud is in end cap; The outer wall in pole stage casing is spirally connected locking nut and itself and end cap is compressed, and nut touches mutually with the outer surface portion that sealing shroud is in end cap.
Preferably, the port part outer wall of housing is with and welds a fillet of screw; End cap screws by nut and the fillet of screw and end cap is pressed in the port edge of housing, and the shell end outer wall that contacts with end cap is inserted in a sealing ring.
Preferably, housing and end cap welding are encased inside a sealing shroud between the through hole of described end cap and pole.
Preferably, port cover cap one seal rubber sleeve of housing, the seal rubber sleeve outer wall that contacts with housing is inserted in a spring coil, and seal rubber sleeve covers in the parts of battery port in it.
Preferably, end cap has the through hole that pastes the weldering safety diaphragm, and the weldering safety diaphragm is pasted in this through hole of end cap.
Preferably, housing forms two-port, and described battery is drawn positive pole, negative pole respectively from the two ends of housing.
The invention also discloses a kind of battery pack, it is assembled by the module support plate by a plurality of aforementioned batteries, and described module support plate has the through hole that battery is installed.
Preferably, module support plate edge forms groove; If a contiguous block, this contiguous block form two with the suitable connecting portion of the groove of described module support plate, when assembling two module support plates, two connecting portions of described contiguous block insert the groove of two module support plates respectively.
Battery of the present invention has excellent in heat dissipation effect, good airproof performance, safe, long service life, water proof and dust proof, simple and easy and low cost and other advantages in groups.
Description of drawings
Fig. 1 is the axial view of embodiment 1 battery container.
Fig. 2 is the cross-sectional view of housing.
Fig. 3 is housing cutaway view vertically.
Fig. 4 is the A portion enlarged drawing of Fig. 3.
Fig. 5 is a kind of layout plan of battery in groups the time.
Fig. 6 is the wind direction trend graph of Fig. 5 battery pack.
Fig. 7 is the another kind of layout plan of battery in groups the time.
Fig. 8 is the axial cutaway view of embodiment 2 batteries.
Fig. 9 is the B portion enlarged drawing of Fig. 8.
Figure 10 is the axial view of housing.
Figure 11 is end cover structure figure.
Figure 12 is the partial structurtes figure of embodiment 3.
Figure 13 is the axial cutaway view of embodiment 4 batteries.
Figure 14 is the C portion enlarged drawing of Figure 13.
Figure 15 is end cover structure figure.
Figure 16 is the axial view of housing.
Figure 17 is an end axial view of embodiment 5 battery containers.
Figure 18 is the axial cutaway view of embodiment 5 batteries.
Figure 19 is the D portion enlarged drawing of Figure 18.
The battery pack that Figure 20 is made up of several embodiment 5 batteries.
Figure 21 is the partial structurtes figure of embodiment 6 batteries.
Figure 22 is the partial structurtes figure of embodiment 7 batteries.
Figure 23 is the partial structurtes figure of embodiment 8 batteries.
Figure 24 is embodiment 9 module support plate structure charts.
Figure 25 is the A-A cutaway view of Figure 24.
Figure 26 is the B-B cutaway view of Figure 24.
Figure 27 is the vertical view when being assembled into battery pack.
Figure 28 is the ground plan when being assembled into battery pack.
Figure 29 is the contiguous block structural representation.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is elaborated.
Embodiment 1: shown in Fig. 1-4, battery comprises housing 1, electric core 2, and housing 1 is cylindrical, adorns electric core 2 in the housing 1.The two ends of housing 1 all form opening, draw positive pole, the negative pole of battery respectively, and the structure at both ends is identical or symmetrical, below an end structure are wherein illustrated.
The opening of housing is by end cap 3 cappings, and pole 4 is passed at the middle part of end cap 3, is sealed and matched between the two.Pole 4 is inboard to link to each other with electric core 2 by lugs 5, and pole 4 and lug 5 are connected by bolt, and the outside of pole 4 screws by nut 6 and end cap 3.Pole 4 outer ends also connect bus 8 by nut 7.
The both ends of housing 1 form an annular breach 11 along inwall respectively, and it is used for interlocking and the end cap that is sealed and matched.The outer wall of housing 1 strengthens radiating effect along the uniform heat radiation convex tendon 12 of short transverse.
When Fig. 5 had shown that battery in groups, each battery was 2X7 and arranges that Fig. 6 has shown the trend when wind blows towards battery pack, and it takes away the heat that battery distributes.
When Fig. 7 had shown that battery in groups, each battery is 2X7 to be arranged, but staggered mutually between the two row batteries.
Housing adopts columniform slim-lined construction, and forms the heat radiation convex tendon in its outer wall, and battery is dispelled the heat easily; Can change the capacity of battery by the length of adjusting battery; The volume of this battery container structure is smaller (180-200Wh/L) comparatively speaking, and weight is also light; It is also convenient in groups, and the structure that is arranged side by side is fit to be installed on electronic motor bus.
Embodiment 2: shown in Fig. 8-11, battery comprises housing 1, and housing 1 is cylindrical, adorns electric core 2 in the housing 1, and stay tube 3 in is supported along axis direction in electric core 2 middle parts.The two ends of housing 1 all form opening, draw positive pole, the negative pole of battery respectively, and the structure at battery both ends is identical or symmetrical, below the anticathode structure described in detail.
The end of housing 1 forms an annular breach 1-1 along inwall, and it is for the usefulness of the end cap 12 that is sealed and matched.The outer wall of housing 1 dispels the heat housing along the uniform heat radiation convex tendon of short transverse 1-2 easily.
End cap 12 is made by a circular aluminium alloy, and the circumferential periphery of end cap 12 is along sheathed insulated enclosure circle 8, and sealing ring 8 is two sides turnover and encase end cap upper and lower surface near the circumferential edge edge up and down also.The annular breach 1-1 of shell end embeds the end cap 12 that has sealing ring 8, and both contact positions are sealed and matched.The end outer wall of housing 1 forms screw thread, and the screw-cap 15 that spins, and screw-cap 15 compresses the end cap 12 that upper surface is surrounded by sealing ring 8, and end cap 12 and housing 1 are closely cooperated.Also be encased inside annular gasket 14 between screw-cap 15 and the sealing ring 8, with the sealing of further enhancing contact site.
End cap 12 middle parts have through hole 12-1, and this through hole is used for stretching through pole.The edge outsourcing insulated enclosure cover 7 of the middle part through hole 12-1 of end cap, insulated enclosure cover 7 also makes progress following turnover and the surfaces externally and internally of end cap 12 near the middle part through hole is encased.
End cap 12 also has two arc-shaped through-holes, and referring to Figure 11, two arc-shaped through-holes symmetry is laid, and weldering one safety diaphragm 13 is pasted at the arc-shaped through-hole place.When inside battery gas acquired a certain degree, the safety diaphragm 13 on its end cap can be flicked, and emits inside battery gas.Certainly, safety diaphragm can paste one of weldering, three or more individual as required, and it also can adopt other shape.
It is lug 4 that the end face of electricity core 2 connects that negative pole confluxes, and negative pole confluxes and 4 is in the housing 1.
Pole 6 is divided into three sections, comprises in-flanges 6-1, stage casing 6-2, outwardly projecting portion 6-3, and the external diameter of in-flanges 6-1 is greater than the external diameter of stage casing 6-2, and the external diameter of stage casing 6-2 is greater than the external diameter of outwardly projecting portion 6-3, the three in one moulding.The middle part through hole 12-1 of the external diameter of stage casing 6-2 and end cap 12 matches, and stage casing 6-2 also forms external screw thread.The middle part through hole 12-1 of end cap 12 stretch through and the be sealed and matched stage casing 6-2 of negative pole pole 6, the outer wall of pole stage casing 6-2 touches mutually and compresses with the through-hole section that insulated enclosure cover 7 is in end cap.The inboard of pole 6 and negative pole conflux and 4 touch mutually, and conflux by conflux hold-down bolt 5 and negative pole and 4 to link to each other.
The in-flanges 6-1 of pole and insulated enclosure cover 7 are in the inner surface portion phase-splitting of end cap and touch and compress.
The external screw thread of pole stage casing 6-2 is screwed into pole locking nut 9 and itself and end cap 12 is compressed, and nut 9 touches mutually and compresses with the outer surface portion that insulated enclosure cover 7 is in end cap.
The outwardly projecting portion 6-3 of pole 6 is in outside the housing 1, and it forms an inner hexagonal hole 6-2, and during installation, this hole is used for location pole 6, prevents its rotation.The outwardly projecting portion 6-3 connection of pole 6 is folded the bus 10 that forms mutually by multi-disc, and bus 10 is pressed in outwardly projecting portion 6-3 by negative pole clamp nut 11.
The battery other end is anodal, and positive electrode structure is identical with negative pole or symmetrical, can no longer describe in detail with reference to foregoing.
In the present embodiment, sealing shroud/circle is inserted in the contact position of the end cap of battery and housing, end cap and pole, has strengthened the sealing of battery end, has improved fail safe and the useful life of battery.
Embodiment 3: as shown in figure 12, the open end of housing 1 is with the fillet of screw 18, and the fillet of screw 18 welds the weld part 19 that forms a border with the outer wall of housing 1.
The external diameter of housing 1 port is less than the external diameter of end cap 12, the external diameter of the external diameter of end cap 12 and the fillet of screw 18 is corresponding, the port cap upper end cover 12 of housing 1 screws by nut 17 and the fillet of screw 18 and end cap 12 is fixing again, the sheathed sealing ring 16 of the shell end outer wall that contacts with end cap 12.
But other content reference example 2 of present embodiment.
Embodiment 4: shown in Figure 13-16, battery comprises that housing 1, electric core 2, positive pole conflux, negative pole confluxes 4, Positive Poles, negative pole pole 6, end cap 12, bus 10, it is elongated cylindrical that housing 1 is, and adorns electric core 2 in the housing 1, and stay tube 3 in is supported along axis direction in electric core 2 middle parts.The two ends of housing 1 all form opening, draw positive pole, the negative pole of battery respectively.The edge, both ends of housing 1 forms an annular breach 1-1 along inwall respectively, and it is used for interlocking and the end cap that is sealed and matched.The outer wall of housing 1 is along the uniform heat radiation convex tendon of short transverse 1-2, to strengthen the radiating effect of housing.
The battery both ends are respectively anodal, negative pole, and the structure at both ends is identical or symmetrical, below the structure of anticathode described in detail.
It is lug 4 that one end face of electricity core 2 connects that negative pole confluxes, and negative pole confluxes and 4 is in the housing 1.
The end loops v notch v 1-1 of housing 1 embeds circular Aluminum Alloy Cover 12, and the end face of end cap 12 outer surfaces and housing 1 maintains an equal level.End cap 12 middle parts have through hole 12-1, and this through hole is used for stretching through pole.Also have another arc-shaped through-hole on the end cap 12, the safety diaphragm 13 that this arc-shaped through-hole place subsides weldering shape, size match.When inside battery gas acquired a certain degree, the safety diaphragm 13 on its end cap can be flicked, and emits inside battery gas.Certainly, safety diaphragm can paste two of welderings, three or more individual as required, and shape also can be selected for use arbitrarily.
The contact site of the edge of end cap 12 and housing 1 welding and form the weld part 8 of a border.
The middle part through hole 12-1 edge outsourcing insulated enclosure of end cap 12 cover 7, insulated enclosure cover 7 be outer turnover and the surfaces externally and internally of end cap 12 near the middle part through holes encased up and down also.
Pole 6 is divided into three sections, comprises in-flanges 6-1, stage casing 6-2, outwardly projecting portion 6-3, and the middle part through hole 12-1 of the profile of stage casing 6-2 and end cap 12 matches, and the inboard of stage casing 6-2 forms in-flanges 6-1 to turning up, the lateral evagination of stage casing 6-2 and form outwardly projecting portion 6-3.The stretch through stage casing 6-2 of negative pole pole 6 of the middle part through hole 12-1 of end cap 12, conflux by conflux hold-down bolt 5 and negative pole and 4 link to each other in the inboard of pole 6, the lateral surface of pole stage casing 6-2, the in-flanges 6-1 of pole touch mutually and compress with through-hole section, inner surface portion that insulated enclosure cover 7 is in end cap respectively.
6-2 outside portion, pole stage casing is screwed into pole locking nut 9 itself and end cap 12 is compressed, and nut 9 touches mutually and compresses with the outer surface portion that insulated enclosure cover 7 is in end cap.
The outwardly projecting portion 6-3 of pole 6 also forms an inner hexagonal hole 6-2, and during installation, this hole is used for location pole 6, prevents its rotation.Outwardly projecting portion 6-3 connection is folded the bus 10 that forms mutually by multi-disc, and bus 10 is pressed in the outwardly projecting portion 6-3 of pole 6 by negative pole clamp nut 11.
The battery other end is anodal, and positive electrode structure is identical with negative pole or symmetrical, with reference to foregoing, no longer describes in detail.
In the present embodiment, weld between the end cap of battery and the housing, and be encased inside sealing shroud between end cap and the pole, greatly strengthened the sealing of battery end, improved fail safe and the useful life of battery.
Embodiment 5: shown in Figure 17-20, battery comprises housing 1, electric core 2, and housing 1 is cylindrical, adorns electric core 2 in the housing 1.The two ends of housing 1 all form opening, and opening is by end cap 3 cappings, and pole 4 is passed at the middle part of end cap 3, is sealed and matched between the two.Pole 4 is inboard to link to each other with electric core 2 by lugs 5, and pole 4 and lug 5 are connected by bolt, and the outside of pole 4 screws by nut 6 and end cap 3.Pole 4 outer ends also connect bus 8 by nut 7.
Referring to Figure 17, the outer wall of housing 1 is along the uniform heat radiation convex tendon of short transverse, to strengthen radiating effect.
The structure at battery two ends is identical or symmetrical, below an end construction is wherein described in detail.
The end cap seal rubber sleeve 9 of housing 1, seal rubber sleeve 9 covers in the exposed parts and components of battery end in it.The outer wall contact site of seal rubber sleeve 9 and housing 1 is to convex, and this outer wall forms a circle depression, and depressed part is inserted in spring coil 10, the fastness that further enhanced leaktightness gum cover 9 cooperates with shell 1.The bus 8 that draw the battery end passes seal rubber sleeve 9, and bus 8 outsides also are with gum cover 19, and this gum cover 19 is connected with seal rubber sleeve 9.Seal rubber sleeve can make the parts of battery-end portion avoid pollutions such as the dust in the external world, aqueous vapor.
In the present embodiment, it sets up a water proof and dust proof seal rubber sleeve in the battery end, and the parts of battery end are comprised that parts such as bus, pole cover in it, separate with the external world, prevent by pollutions such as aqueous vapor, dusts, improved the security reliability that battery uses, and prolonged its useful life.
Figure 20 has shown the battery pack that is assembled by two batteries, the structure of single battery as mentioned above, two batteries are arranged side by side by two support plates 11 (this support can adopt the module support plate of embodiment 9), and the bus of two batteries also links to each other.
Embodiment 6: referring to Figure 21, and two battery positioned opposite of this battery pack, both seal rubber sleeves 9 are positioned opposite also, and wherein a seal rubber sleeve 9 has the hole of the holding wire that stretches through, and is used for stretching through holding wire 12.Bus 8 outer 19, two seal rubber sleeves of gum cover 9 that are with link to each other by gum cover 19.
But the structure reference example 5 of present embodiment single battery.
Embodiment 7: referring to Figure 22, two batteries of this battery pack side by side in groups, one seal rubber sleeve 9 has the hole 9-1 of the holding wire that stretches through.
But the structure reference example 5 of present embodiment single battery.
Embodiment 8: referring to Figure 23, seal rubber sleeve 9 has the hole of the holding wire that stretches through, and is used for stretching through holding wire 12.
After bus 8 passes seal rubber sleeve 9, connect another bus 14 by two rivets 13, the Sealed casing pipe support 15 of both connecting portion peripheral hardware annulars, the outer wall of Sealed casing pipe support 15 forms the twice ring-shaped depression, seal rubber sleeve 16 is dome shape, and its end is to convex, and the outer wall of this end forms a ring-shaped depression, the interior protuberance of seal rubber sleeve 16 snaps in wherein one ring-shaped depression of Sealed casing pipe support 15, and the ring-shaped depression of its outer wall is inserted in Packing spring circle 17.The syndeton of Sealed casing pipe support 15 and seal rubber sleeve 18 as hereinbefore. Seal rubber sleeve 9,16 links to each other by gum cover 19, and gum cover 19 is coated at bus 8.Another battery that bus 14 is drawn, bus 14 stretch out seal rubber sleeve 18 parts by gum cover 20 outsourcings, and seal rubber sleeve 18 is connected with gum cover 20.Like this, all parts of battery end are all separated by corresponding gum cover and the external world, and anti-sealing, dirt produce harmful effect to battery.
But the structure reference example 5 of present embodiment single battery.
The housing both ends open of aforementioned a plurality of embodiment, the structure of drawing anode, negative pole is respectively described in detail.Certainly, those of ordinary skill in the art should be familiar with, and two deriving structure is the preferred technical solution of the present invention.The present invention also can draw positive pole, the negative pole of battery from of housing, and at this moment, end cap need pass two poles, and the fit structure between end cap and pole, end cap and housing can adopt the content of previous embodiment, no longer describes in detail.
Embodiment 9: shown in Figure 24-29, present embodiment relates to a kind of battery pack, and the structure of single battery can adopt any structure of aforementioned a plurality of embodiment, and present embodiment is mainly set forth the package assembly of battery pack.Each battery assembles by module support plate 22, and module support plate 22 is square, and offers four manhole 22-1.Single battery comprises housing 1, electric core etc., and the profile of housing is cylindrical, adorns electric core in it, and the manhole of the external diameter of housing and module support plate is suitable.One end of battery is drawn bus 10.Stretch into the manhole of module support plate and fit together referring to Figure 27,28, four batteries, connect by bus between the battery.Present embodiment has two module support plates, is in the top and the bottom of battery respectively so that the assembling of four batteries is more firm, stable.
Dovetail groove 22-2 is all offered at the middle part, four edges of module support plate 22.Referring to Figure 29, contiguous block 23 form two with the suitable connecting portion 23-1 of the dovetail groove of module support plate, two connecting portions are symmetrical.When assembling two module support plates, both edge is pasted mutually, make both dovetail grooves corresponding, insert contiguous block then and get final product.By this structure, the module support plate that polylith can be equipped with several batteries is connected and is assembled into battery pack.
Certainly, can select the quantity of module support plate according to the length of single battery, as shorter, then a module support plate gets final product; If longer, then two, three, four, in addition more.
The module support plate of present embodiment can be fitted together several battery pack the formation battery pack, and the module support plate that also polylith can be equipped with several batteries connects, and forms the battery pack of another kind of form.Its assembling and dismounting are all comparatively easy, and need not special machine, have reduced cost.
In addition, according to the number needs of battery, selecting sizeable module to prop up piece, and offer required battery through hole, is that the module support plate need not to connect and namely can be assembled into battery pack and need not to interconnect; The battery through hole also can be other shape such as square, and its profile according to battery is decided; The shape of module support plate also can be other shape; The link slot of module support plate also can be other shape.
Those of ordinary skill in the art will be appreciated that the present invention is not limited to above-described embodiment, any conversion of the present invention, modification is all fallen into protection scope of the present invention.

Claims (4)

1. a battery comprises end cap, housing, electric core, lug, pole, bus, and housing forms a port at least, and port is sealed by the end cap that has through hole; Adorn electric core in the housing, electric core links to each other with lug, and lug is in the housing, and lug links to each other with pole, and pole stretches out outside the housing by the through hole of end cap, and the pole outside links to each other with bus; It is characterized in that: housing is cylindrical, and the housing outer wall forms the heat radiation convex tendon; Port cover cap one seal rubber sleeve of described housing, the seal rubber sleeve outer wall that contacts with housing is inserted in a spring coil, and seal rubber sleeve covers in the parts of battery port in it.
2. battery as claimed in claim 1 is characterized in that: described end cap has the through hole that pastes the weldering safety diaphragm, and weldering safety diaphragm is pasted in this through hole of end cap.
3. battery as claimed in claim 1 is characterized in that: housing forms two-port, and described battery is drawn positive pole, negative pole respectively from the two ends of housing.
4. a battery pack is characterized in that being assembled by the module support plate as each described battery of claim 1-3 by a plurality of, and described module support plate has the through hole that battery is installed; Described module support plate edge forms groove; If a contiguous block, this contiguous block form two with the suitable connecting portion of the groove of described module support plate, when assembling two module support plates, two connecting portions of described contiguous block insert the groove of two module support plates respectively.
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CN201270266Y (en) * 2008-09-30 2009-07-08 赛恩斯能源科技有限公司 Battery connecting apparatus
CN201349031Y (en) * 2008-12-22 2009-11-18 深圳市比克电池有限公司 Cylindrical battery
CN101882670A (en) * 2010-05-14 2010-11-10 张天任 Waterproofing device for energy storage battery

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CN103268922B (en) 2016-05-25
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