CN1220288C - Battery assembly - Google Patents

Battery assembly Download PDF

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Publication number
CN1220288C
CN1220288C CNB031241271A CN03124127A CN1220288C CN 1220288 C CN1220288 C CN 1220288C CN B031241271 A CNB031241271 A CN B031241271A CN 03124127 A CN03124127 A CN 03124127A CN 1220288 C CN1220288 C CN 1220288C
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CN
China
Prior art keywords
shell
battery
thin battery
thin
heat insulating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CNB031241271A
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Chinese (zh)
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CN1455464A (en
Inventor
森田秀世
饲手治
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Sanyo Electric Co Ltd
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Sanyo Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP2002129356A external-priority patent/JP3806665B2/en
Priority claimed from JP2002316184A external-priority patent/JP3762737B2/en
Application filed by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Publication of CN1455464A publication Critical patent/CN1455464A/en
Application granted granted Critical
Publication of CN1220288C publication Critical patent/CN1220288C/en
Anticipated expiration legal-status Critical
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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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  • Sealing Battery Cases Or Jackets (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The battery pack holds a thin outline battery in an external case. The external case is provided with openings exposing the front and back of the thin outline battery to the outside, and is formed in the shape of a square frame which covers both sides and both ends of the thin outline battery. The thickness of the external case is essentially equal to the thickness of the thin outline battery, or the external case is made thinner than the thin outline battery.

Description

Battery component
[technical field]
The present invention is about battery component, especially about thin battery being fixed on the battery component in the shell.
[background technology]
The battery component of thin battery is to be installed in the various e-machines that carries usefulness also to be used expediently.Particularly, for as portable phone, need the shape that the e-machine that whole thinning designs is best suited for.The battery component of this shape, because if not with the thin battery thinning, just can't be with whole thinning, so be to be carried out how with the research of thin battery thinning.At present, extremely thin thin battery has been developed polymer battery.Polymer battery is because be to adorn the laminated film that uses aluminium oxide outside, so integral body can be formed extremely thin.Further, tinning outside uses the thin battery of the lithium rechargeable battery of iron or aluminium also to be developed.
The thin battery of polymer battery that is developed at present or lithium rechargeable battery etc. is by quite thinning ground design.Further, these thin batteries do not reduce charging capacity and reduce, but research that can be thinner are also carried out.And for the plastic assembly battery that thin battery is built-in, the design of whole thinning is also carried out.Particularly, being installed in the battery component that is required thinner machine as the e-machine that carries usefulness, is further thinning design of requirement.Therefore, the charging capacity of thin battery is reduced, but can be very important with battery component thinning design, therefore, the battery component that can meet this condition be that demand is arranged.
[summary of the invention]
Because the present invention, be very simply to construct, and not with the thinning of thin battery own, but be that purpose exploitation forms with the battery component thinning, so free-revving engine of the present invention provides the battery component that a kind of thickness that does not change thin battery just can to the utmost point be limit the thickness thinning of battery component integral body.
A kind of battery component is that to possess outer dress shell and be accommodated in the thickness of adorning shell in addition be than the battery component of the wide thin thin battery of battery, it is characterized in that:
Outer dress shell, be to be provided with the table back side that makes thin battery to expose outside peristome, and form the two sides of covering thin battery and the square shaped as frame of both ends of the surface, further, the thickness of outer dress shell is almost equal with the thickness of thin battery, and perhaps outer dress shell makes thinner than thin battery;
Outer dress shell is the 1st shell and the 2nd shell that possesses the table back side that is divided into thin battery, and the 1st shell and the 2nd shell are to possess side shell portion and end shell portion, and the 1st shell and the 2nd shell are to link side shell portion and shell portion in end keeps thin battery.
Battery component of the present invention, possessing outer dress shell and being accommodated in the thickness of adorning shell in addition is wide also thin thin battery than battery.Outer dress shell is to be provided with the table back side that makes thin battery to expose outside peristome, and forms the two sides of covering thin battery and the square shaped as frame of both ends of the surface.The thickness of outer dress shell is almost equal with the thickness of thin battery, or will adorn shell outward and make also thinner than thin battery.
Above battery component has the speciality that the thickness that do not reduce thin battery just can to the utmost point be limit the thickness thinning of battery component integral body.This is because battery component is being taken in the outer dress shell of thin battery, is provided with the table back side that makes thin battery and exposes outside peristome, and form the two sides of covering thin battery and the square shaped as frame of both ends of the surface.The battery component of this structure is because the non-known table back side by outer dress shell covering thin battery so thin battery is accommodated in outer dress shell, also can make the thickness of battery component integral body identical with thin battery simultaneously.
Outer dress shell is to possess: cover the two sides of thin battery side shell portion, and cover cover end, the two ends shell portion of thin battery.Side shell portion is provided with the maintenance ditch at inner face, keeps ditch at this, is for the central protuberance of putting into the thin battery two sides.And, adorn the end shell portion or the side shell portion of shell outside, be equipped with the terminal keeper of lead-out terminal.
And adorning shell outward is the 1st shell and the 2nd shell that possesses the table back side that is divided into thin battery.Should outer dress shell, the 1st shell and the 2nd shell are to possess side shell portion and end shell portion, and the 1st shell and the 2nd shell are to link side shell portion and shell portion in end keeps thin battery.Further, the 1st shell and the 2nd shell melting are connect and link.And further, the surface with thin battery is covered by the insulation material.Also heat insulating lamella can be engaged and covers thin battery and outer dress shell.Composition surface at thin battery that is engaged heat insulating lamella and outer dress shell is the battery component with non-flat face of concavo-convex or step etc., along this non-flat facial heat insulating lamella that is shaped be bonded on thin battery and outside adorn the composition surface of shell.This heat insulating lamella can be failed to understand surface treatment clear along the molded non-planar that non-flat face carries out being shaped.
This heat insulating lamella is that edge portion is disposed between thin battery and the outer dress shell, holds solid by thin battery and outer dress shell the edge portion of heat insulating lamella.
Above battery component has: can prevent the speciality that this heat insulating lamella is peeled off from edge portion effectively simultaneously by the insulate surface of thin battery of heat insulating lamella.
Heat insulating lamella is equipped on the cap portion of thin battery, can be by the insulate cap portion of thin battery of heat insulating lamella.
In end shell portion that is equipped with lead-out terminal or side shell portion, keep the receiving room of protective circuit in being provided with, and at built-in protective circuit of receiving room and and exterior insulation.The terminal keeper that lead-out terminal is disposed at allocation keeps protective circuit in being.And this terminal keeper is built in the end shell portion or the side shell portion of outer dress shell.End face at the protuberance electrode that is provided with thin battery is equipped with dead ring, and dead ring is to have a through hole that makes the protuberance electrode outstanding, through hole be for the protuberance electrode put into and with the end face insulation of thin battery.Positive and negative electrode binding at thin battery has protection component.Thin battery is a lithium rechargeable battery, or polymer battery.
[description of drawings]
The exploded perspective view of the battery component of [Fig. 1] embodiments of the invention
The cross-sectional view of the battery component that [Fig. 2] is shown in Figure 1
The sectional arrangement drawing of the battery component that [Fig. 3] is shown in Figure 1
The circuit diagram of the battery component that [Fig. 4] is shown in Figure 1
[Fig. 5] shows that the terminal keeper is attached at the cut-away section front view of the state of thin battery
[Fig. 6] shows the exploded perspective view of thin battery and dead ring
[Fig. 7] shows the front view of state that dead ring is layered in the battery end face of thin battery
[Fig. 8] shows the plane graph of state that dead ring is layered in the battery end face of thin battery
[Fig. 9] is attached at 2 protection components the front view of the state of thin battery
The back view of the battery component that [Figure 10] is shown in Figure 1
The plane graph of the battery component of [Figure 11] other embodiments of the invention
The cross-sectional view of the battery component that [Figure 12] is shown in Figure 11
[Figure 13] is bonded on the profile of the heat insulating lamella of battery component shown in Figure 12
The plane graph of the battery component of [Figure 14] other embodiments of the invention
The exploded perspective view of the battery component of [Figure 15] other embodiments of the invention
The cross-sectional view of the battery component that [Figure 16] is shown in Figure 15
The sectional arrangement drawing of the battery component that [Figure 17] is shown in Figure 15
The cross-sectional view of the battery component of [Figure 18] other embodiments of the invention
The cross-sectional view of the battery component of [Figure 19] other embodiments of the invention
[figure number explanation]
1 ... outer dress shell 1a ... the 1b of side shell portion ... end shell portion
1A ... the 1st shell 1B ... the 2nd shell
2 ... thin battery 2A ... the protuberance 2B of central authorities ... cap portion
3 ... peristome
4 ... keep ditch
5 ... the terminal keeper
6 ... the insulation material
7 ... heat insulating lamella 7A ... battery covering part 7B ... the assembly covering part
7C ... stage portion
8 ... lead-out terminal
9 ... dead ring
10 ... the protuberance electrode
11 ... through hole
12 ... protection component
13 ... electrode window
14 ... the incorporating section
15 ... reed
16 ... fitting projection
17 ... sidewall
18 ... the taking-up pawl
19 ... recess
20 ... non-flat face
[embodiment]
Zi Zuo is with description of drawings the present invention's battery component.
Battery component shown in Figure 1 is to possess: adorn shell 1 outward and be installed in the thin battery 2 of adorning shell 1 in addition.Thin battery 2 is that thickness with battery makes the wide also thin secondary cell than battery.Thin battery 2 is lithium rechargeable batteries, or polymer battery.Polymer battery is a lithium polymer battery.But, the present invention, not specific thin battery is lithium rechargeable battery or polymer battery.In thin battery, the battery beyond these batteries, for example nickel-hydrogen cell or nickel-cadmium cell also can.
Outer dress shell 1 is to be shaped by the insulation material to make.Insulation material for outer dress shell 1 usefulness that is shaped better is plastics.The outer dress shell 1 of figure is provided with the peristome 3 that the table back side of thin battery 2 is exposed towards the outside, and is shaped for the two sides that cover thin battery 2 and the square shaped as frame of both ends of the surface.Outer dress shell 1 is to possess: cover the two sides of thin battery 2 the 1a of side shell portion, and cover the 1b of end shell portion of the both ends of the surface of thin battery 2.The 1a of side shell portion, cross-sectional view as shown in Figure 2 will keep ditch 4 to be located at inner face.Outer dress shell 1 is a maintenance ditch 4 of the central protuberance of the two sides of thin battery 2 being put into the 1a of side shell portion.The outer dress shell 1 of this structure is the both sides that are maintained at thin battery 2 by the side shell 1a of portion, and thin battery 2 is the arrow A as figure, shown in the B, comes off towards table back of the body direction for preventing.Profile as shown in Figure 2 has the thin battery 2 of protuberance in central authorities, is to keep ditch 4 by protuberance is put into, and does not need the shell 1a of portion in side is projected to the table back side of thin battery 2, just can stop towards table and carry on the back departing from of direction.The thin battery of lithium rechargeable battery or polymer battery etc. is that two sides are made shape with the predetermined radius of curvature bending.Be the two sides of the thin battery 2 of flexure plane, have chamfered section along the corner edge, and have protuberance in central authorities.Therefore, chamfered section is as the structure of guiding the two side guiding that keeps ditch 4, makes the 1a of side shell portion can not give prominence to the table back of the body of thin battery 2, can stop the table of thin battery 2 to carry on the back departing from of direction simultaneously.But battery component of the present invention not necessarily will be provided with maintenance ditch 4 at the side shell 1a of portion, also the two sides of thin battery can be engaged by cement at the inner face of side shell portion, or is adhered to by bonding agent, or adhere to fixing by the two sides splicing tape.
Outer dress shell 1 is shown in the profile of Fig. 2 and Fig. 3, and from the outstanding shape in the table back side of thin battery 2, and the thickness that will adorn shell 1 outward forms and almost equates with the thickness of thin battery 2 with the two square Cheng Buhui of side shell 1a of portion and the end shell 1b of portion.The outer dress shell 1 of figure is with the part formation of side shell 1a of portion and the end shell 1b of portion and the same plane, the table back side of thin battery 2.Engage the battery component of the heat insulating lamella 7 that label etc. is arranged at the table of thin battery 2 back of the body, the thickness that just is equivalent to heat insulating lamella 7 will adorn outward shell 1 form thicker than thin battery 2, so thin battery 2 and outer dress shell 1 can be made same thickness.But battery component of the present invention can will be adorned shell outward than also unfertile land shaping of thin battery, and, outer dress hull shape is become slightly from the outstanding shape in the surface of thin battery.Outer dress shell is from the outstanding battery component of thin battery, the recess that allows protuberance embed can be located at e-machine the battery installing department be installed in e-machine.Therefore, in this manual, the thickness of adorning shell is outward made the almost equal meaning with the thickness of thin battery, be to comprise: adorn shell outward from the outstanding a little degree in the surface of thin battery, for example, under degree outstanding below the 1mm, make the outer dress shell state thicker than thin battery.
The battery component of Fig. 1 and Fig. 3 is to adorn outside in the 1b of end shell portion of shell 1, sets the terminal keeper 5 of lead-out terminal 8.The battery component of figure is the built-in terminal keeper 5 of the 1b of end shell portion that covers in protuberance electrode 10 sides with thin battery 2, and sets lead-out terminal 8 at this.With the 1b of end shell portion of protuberance electrode 10 opposition sides, be the bottom surface that covers thin battery 2.Terminal keeper 5 is to be shaped by the insulation material to make.By the insulation material of shaping terminal keeper 5, better be plastics.Terminal keeper 5, be with its profile, form almost equal with the profile of the end face of the protuberance electrode 10 of thin battery 2, or a little littler than the profile of end face, and see from the battery end face under the state of thin battery 2 that terminal keeper 5 can be from thin battery 2 shape outstanding towards the outside.This terminal keeper 5 is to be provided with a pair of lead-out terminal 8 with the mutually aspectant opposition side of battery end face.Lead-out terminal 8 is metallic plates, and as the metallic plate of lead-out terminal 8, is to be fixed in terminal keeper 5, or is held under the arm and be fixed in allocation between the shell 1 at terminal keeper 5 and outer the dress admittedly.
Terminal keeper 5 is the inside that is disposed at the 1b of end shell portion of outer dress shell 1.Be disposed at this terminal keeper 5, by hold under the arm solid at the end shell 1b of portion inner face and the battery end face of thin battery 2 between be fixed in the fixed position.Outer dress shell 1 is at the end shell 1b of portion opening electrode window 13.Electrode window 13 is to be fixed on the outside of dress shell 1 outside the lead-out terminal 8 of terminal keeper 5 is exposed to.Therefore, electrode window 13 is terminal keeper 5 to be fixed in the fixed position of the inside of outer dress shell 1, and is opened on the position that can allow lead-out terminal 8 expose towards the outside.The built-in terminal keeper 5 of adorning shell 1 outside is to be pressed against thin battery 2 ground to be fixed in the fixed position, and lead-out terminal 8 is configured in fixed position correctly.But the terminal keeper also can be provided in the outer inside of adorning the side shell portion of shell.Be equipped on this terminal keeper, by hold under the arm solid in side shell portion inner face and the battery side of thin battery between be fixed in the fixed position.Adorn shell in addition, be with the electrode window opening in side shell portion, and the lead-out terminal that will be fixed on the terminal keeper is exposed to the outside of outer dress shell.
Battery component is with a pair of lead-out terminal 8, by protection component 12, is connected in the positive and negative electrode of thin battery 2.Fig. 4 is the circuit diagram that shows battery component.This battery component is with positive and negative electrode, is connected in a pair of lead-out terminal 8 by protection component 12.One side's electrode is to be connected in lead-out terminal 8 by PTC, and the electrode of other party is to be connected in lead-out terminal 8 by fuse.The battery component of this circuit diagram is that the lead-out terminal 8 of side of the positive electrode is connected in the positive pole of thin battery 2 by fuse, the lead-out terminal 8 of negative side is connected in the negative pole of thin battery 2 by PTC.Circuit diagram is opposite therewith, also can connect PTC and fuse.And, two sides' lead-out terminal 8 is connected in the electrode of thin battery 2 by fuse, or is connected in the electrode of thin battery 2 by PTC.Connect the battery component of protection component 12 at positive and negative two electrodes of thin battery 2, even with the electrode of lead-out terminal 8 and thin battery 2 and mistaken and short circuit also can be used safely.Even it is because arbitrary electrode of thin battery 2 is connected in lead-out terminal 8, protection component 12 can action and blocking short circuit current.Battery component is the surface insulation with the both sides of outer tinning and protuberance electrode 10.Therefore, for common user mode, short circuit current is can water conservancy diversion.But with heat insulating lamella 7 breakages of the surface coverage of the outer tinning of thin battery 2, or the inner wire of adorning shell 1 outside is inserted into and contacts with protuberance electrode 10, and short circuit current can conducting.For example, the outer tinning of thin battery 2 and the lead-out terminal 8 of negative side are when being connected by metal, and the insulation of outer tinning is incomplete words, and short circuit current can conducting.And, adorn outside that metal wire is inserted between shell 1 and the thin battery 2, and this metal wire is that the words short circuit current that contacts with the lead-out terminal 8 of side of the positive electrode can conducting.The battery component that between two lead-out terminals 8 and positive and negative electrode, connects protection component 12, the short circuit current conducting, it can move and interdict short circuit current.
Protection component 12 is shown in the profile of Fig. 5, is disposed at the inside of terminal keeper 5.The terminal keeper 5 of figure is the incorporating sections 14 that are provided with protection component 12 mutually face-to-face at thin battery 2, and at this configuration protection element 12.The battery component of no-terminal keeper 5 is that the 1b of end shell portion that adorns shell 1 outside is provided with the incorporating section, and at this built-in protection component 12.
The battery component of figure is to possess protection component 12 as protective circuit.But; battery component; also can detect electric current if overcurrent flow through blocking (cut-out) electric current circuit, detect cell voltage and detect overcharging or the circuit of overdischarge and breaking current etc. of battery, be built in terminal keeper 5 or adorn shell 1 outward and be used as protective circuit.In keep the outer dress shell 1 of protective circuit, be to be provided with the receiving room 14 of taking in this, at this built-in protective circuit and and exterior insulation.Protective circuit is electronic component is installed in tellite and realizes.The battery component of built-in protective circuit is lead-out terminal 8 to be disposed at the terminal keeper 5 built-in protective circuits of allocation, and the built-in 1b of end shell portion that adorns shell 1 outside is also passable with this terminal keeper 5.The terminal keeper of built-in protective circuit also can built-inly be adorned the side shell portion of shell outside.
Thin battery 2 is as shown in Figure 6, sets dead ring 9 at the battery end face that sets terminal keeper 5.The battery end face, because be the battery end face that is provided in the protuberance electrode 10 that is provided with thin battery 2, dead ring 9 also is disposed at the battery end face with protuberance electrode 10.Being configured in this dead ring 9, is the through hole 11 that is provided with for the outstanding usefulness of protuberance electrode 10, at this through hole 11 protuberance electrode 10 is put into, and is made it be fixed in the battery end face and insulate with the battery end face.Dead ring 9 is to engage to be fixed in the battery end face, or, be fixed on the battery end face by splicing tpae ground, two sides joint, or, engage and be fixed on the battery end face by adhesive linkage.Wide (W1) of dead ring 9 is also littler than wide (W2) of battery end face.Further, the length of dead ring 9, still short preferable than the length of terminal keeper 5.This dead ring 9 is shown in the profile of Fig. 3, embeds the inboard of terminal keeper 5 and is fixed in the fixed position.
Dead ring 9 is that insulation material by plastics etc. is shaped and makes.Dead ring is as shown in Figures 7 and 8, can in the above the fitting projection 716 that is embedded in protection component or terminal keeper be shaped integratedly.The dead ring 79 of figure is that the fitting projection 716 with the rib shape is located at two end portions.Fitting projection 716 is as shown in Figure 9, is entrenched in the protection component 712 that is disposed at the battery end face, and with its etc. remain on the fixed position.Further, below the terminal keeper, be shaped as the shape that can be entrenched in fitting projection 716, and fitting projection 716 can be entrenched in the terminal keeper, and the terminal keeper is disposed at the fixed position.Yet, among Fig. 7 to Fig. 9, the 710th, expression protuberance electrode, the 711st, expression through hole, the 715th, expression reed (リ one De).
And,, be the structure that can the scale error of the length of thin battery 2,72 be absorbed by dead ring 9,79 at the battery component of the battery end face of thin battery 2,72 configuration dead ring 9,79.Particularly, at dead ring 9,79, use: the fine sheet that thickness is resiliently deformable, for example non woven fabric, insulating paper, rubber-like elasticity thin slice just can be by the scale error absorptions with thin battery 2,72 of 1 piece dead ring 9,79.And the dead ring 9,79 that flexibly is out of shape by adjusting stacked piece of number, just can not absorb the scale error of thin battery 2,72.But, by dead ring 9,79 with thin battery 2, the battery component that 72 scale error absorbs, it is not the inboard of dead ring fully being put into the terminal keeper, but form: with the part of dead ring, or full week, hold under the arm by battery end face and terminal keeper solid, and by the structure of the elastic recovery power press terminal keeper of dead ring.The battery component of this structure is the size of irrelevant thin battery, just the terminal keeper can be disposed at the fixed position of outer dress shell, and lead-out terminal is disposed at position correctly.
The outer dress shell 1 of Fig. 1~Fig. 3 is to possess divided the 1st shell 1A and the 2nd shell 1B at the table back side of thin battery 2.The 1st shell 1A and the 2nd shell 1B are reciprocally to link sidewall 17 and be installed in thin battery 2.The 1st shell 1A and the 2nd shell 1B are to possess side 1a of shell portion and the end shell 1b of portion respectively.The 1st shell 1A and the 2nd shell 1B be that the sidewall 17 with the side shell 1a of portion reciprocally links, and the 1b of end shell portion of the 1st shell 1A and the 2nd shell 1B also link sidewall 17.The 1st shell 1A and the 2nd shell 1B are reciprocally with the face-to-face ultrasonic fusing and simply and positively being bonded mutually of sidewall 17.By the 1st shell 1A of ultrasonic fusing and the 2nd shell 1B, be that the plastics by thermoplasticity are shaped integratedly.Mutually face-to-face by the sidewall 17 of ultrasonic fusing, be shown in the profile of the stereogram of Fig. 1 and Fig. 2, be provided with longitudinal furrow, be provided with for the raised line of putting into longitudinal furrow in other party a side, and under the state of raised line being put into longitudinal furrow, carry out ultrasonic fusing, and more positively can not be fused binding discretely.But the 1st shell 1A and the 2nd shell 1B also can link reciprocally engaging face-to-face mutually.
The outer dress shell 1 of figure is that the sidewall 17 with the 1st shell 1A and the 2nd shell 1B makes height much at one.Adorning shell 1 in addition, is that thin battery 2 is put into the 1st shell 1A, and afterwards, the sidewall 17 that links the 2nd shell 1B, just can link sidewall 17 ultrasonic fusings under this state at the 1st shell 1A.So, the outer dress shell 1 that is bonded by raised line being put into the mutually aspectant longitudinal furrow that is located at sidewall 17, just can not make the sidewall 17 position deviation ground of the 1st shell 1A and the 2nd shell 1B link.Therefore, under this state, link, just two side 17 can be attached at position correctly.
Being incorporated in reciprocally the 1st shell 1A that links and the thin battery 2 of the 2nd shell 1B, is shown in the back view of the profile of Fig. 2 and Figure 10, on the surface heat insulating lamella 7 of label etc. is engaged and covers lid.Heat insulating lamella 7 as shown in Figure 1, is to adorn being engaged of peristome 3 of shell 1 outward with comprehensively clogging, and insulation expose outer dress shell 1 the outside thin battery 2 outer tinning comprehensively.This structure is to use the thin battery 2 of the outer tinning of surface insulation not being handled, and can be with outer tinning insulation.But, battery component of the present invention, the surface that is not tinning outside engages heat insulating lamella 7, but shown in the netting twine block of Fig. 7, insulation material 76 is smeared on the surface of tinning outside, and outer tinning insulation is also passable.The battery component of built-in this thin battery 72 is that the peristome that does not need to adorn shell outside engages heat insulating lamella.But, with the surface of outer tinning by 76 insulation of insulation material, and the peristome of adorning shell outside to engage heat insulating lamella ground double hyer insulation also passable.
Further, heat insulating lamella 7 can be bonded on thin battery 2 and outer dress shell 1 covers.Heat insulating lamella 7 as shown in Figure 2 is with its peripheral part, and the state of the open end of the peristome 3 of dress shell 1 engages outside being coated on.So, the peripheral part of heat insulating lamella 7 is bonded on the structure of thin battery 2, because be to link integratedly by heat insulating lamella 7 adorning shell 1 and thin battery 2 outward, so have the speciality that can positively prevent these position deviations.Further, having the composition surface of the thin battery of heat insulating lamella and outer dress shell to have the battery component of the non-flat face of concavo-convex or step etc. at joint, is to be bonded on the composition surface along heat insulating lamella of this non-flat facial shaping.Figure 11 and battery component shown in Figure 12 are to be designed to than the peripheral part of thin battery 112 also thickly with adorning shell 111 outward, and partly form non-flat facial 1120 of step shape at these boundary.This battery component as shown in figure 13, is to make the battery covering part 117A of central portion form the heat insulating lamella 117 that more is depressed in inboard shape than the assembly covering part 117B of peripheral part, to be bonded on the composition surface of thin battery 112 and outer dress shell 111.But, as shown in figure 14, being designed to the battery component also thinner than the peripheral part of thin battery 2 with adorning shell 1 outward, is will be shaped as the composition surface that the heat insulating lamella 147 that makes the battery covering part 147A shape side-prominent than assembly covering part 147B more outwardly is bonded on thin battery 142 and outer dress shell 141.Yet among Figure 11 to Figure 13,111A is expression the 1st shell, and 111B is expression the 2nd shell, the 1118th, and expression is taken out and is used pawl, and among Figure 14,141A is expression the 1st shell, and 141B is expression the 2nd shell, and 147C is the expression stage portion, the 1420th, the expression non-flat portion.
Figure 12 and heat insulating lamella 117 shown in Figure 13 are between the assembly covering part 117B of dress shell 111 at the battery covering part 117A of the outer tinning that is engaged in thin battery 112 and outside being engaged in, and are shaped as the stage portion 117C of molded non-planar.This stage portion 117C is between battery covering part 117A and assembly covering part 117B, forms in non-flat facial 1120 positions of facing mutually with the composition surface.The heat insulating lamella 117 of this shape for example, can process the formation step shape with plane thin slice punch press.Battery component shown in Figure 11 is because it is non-flat facial 1120 to be that peristome 113 along outer dress shell 111 forms, so the stage portion 117C of heat insulating lamella 117 is shaped along peristome 113.The heat insulating lamella 117 of this shape, because be under the stage portion 117C with molded non-planar is provided in non-flat facial 1120 the state on composition surface, to be engaged in thin battery 112 and outer dress shell 111, and have: can prevent in this part formation wrinkle and the speciality that can promptly engage.Particularly, at heat insulating lamella 117 shown in 12 figure because be with stage portion 117C as the inclined plane, so have: the inclined plane absorbs towards the position deviation ground of front and back left and right directions and engages thus, and this part can be failed to understand speciality clear.
Further, heat insulating lamella 117,147 can will be failed to understand surface treatment clear along non-flat facial 1120,1420 molded non-planars that are shaped.This surface treatment, though do not have diagram, can by the parallel lines of plural number or, direction-free countless curve representations, or, utilize deep or light difference or apply look different decoration.These surface treatment is an illusion of utilizing the eyes of light and shade or color etc., makes the molded non-planar of heat insulating lamella 117,147 not clear clear.So, can be to have the good speciality of outward appearance with the not clear battery component clear of the molded non-planar of heat insulating lamella 117,147.
Figure 15 to Figure 19 is the thin battery that shows other embodiment.At the thin battery 152 shown in these figure, be that heat insulating lamella 157 with label etc. engages and covers the surface.Yet, for following embodiment, for aforesaid Fig. 1 to the identical inscape of embodiment shown in Figure 6, except on following figure place 2 figure places enclose prosign, omit its explanation.
Being engaged the heat insulating lamella 157 of thin battery 152, is to be disposed at the 152B of cap portion of thin battery 152 and can and to be used as insulating component with the battery end face.The 152B of cap portion of thin battery 2 is meant the part with the peristome obturation of the outer tinning of thin battery 152, the battery end face and the periphery thereof that promptly refer to have protuberance electrode 1,510 one sides.Battery component shown in Figure 17 is that the ora terminalis of heat insulating lamella 157 that will be engaged in the surface of thin battery 152 coats till the 152B of cap portion.That is, heat insulating lamella 157 is to form the state of giving prominence to towards the projected direction of protuberance electrode 1510 from the ora terminalis of outer tinning.So, prolonging the heat insulating lamella 157 that sets till the 152B of cap portion of thin battery 152, is protuberance electrode 1510 or battery end face can be insulated effectively.
Heat insulating lamella 157 is plastic films.But heat insulating lamella is to use all materials that will insulate to be processed into laminar person.For example, with the plating metal on surface person of plastic film, or with the surface of the metal forming insulation tunicle covering person by plastics etc.Heat insulating lamella 157 is to be provided with adhesive linkage on the composition surface.This heat insulating lamella 157 is the surfaces that can not be engaged in thin battery 152 by adhesive linkage with not using cement.But heat insulating lamella 157 is the surfaces that can be engaged in thin battery 152 by cement.And, with the composition surface or all as the heat insulating lamella of the plastic film of thermoplasticity, be to carry out by ultrasonic fusing, or by heating welding at the joint on the surface of thin battery.
Battery component is as Figure 15 and shown in Figure 16, can be covered the surface of thin battery 152 by 2 pieces heat insulating lamella 157.And, can and be bonded on thin battery with 1 piece heat insulating lamella U oxbow, cover the two sides of thin battery.Battery component shown in the profile of Figure 18 is that 1 piece heat insulating lamella 187 is covered the two sides of thin battery 182 along the one-sided U oxbow ground of thin battery 182.
Heat insulating lamella 157 is that edge portion is put between thin battery 152 and the outer dress shell 151, and holds under the arm solid by thin battery 152 and outer dress shell 151.Battery component is preferably put into the full periphery of heat insulating lamella 157 between thin battery 152 and the outer dress shell 151 and is held under the arm admittedly.This battery component, be can under desirable state, prevent heat insulating lamella 157 from edge portion from peeling off.The battery component of Figure 15 and Figure 16 is that 2 pieces holding under the arm in full week admittedly of heat insulating lamella 157 adorned between the shell 151 outside thin battery 152 reaches.The battery component of Figure 18 is that 1 piece holding under the arm in full week admittedly of heat insulating lamella 187 adorned between the shell 181 outside thin battery 182 reaches.
But battery component of the present invention is not the full periphery of heat insulating lamella must be put between thin battery and the outer dress shell to hold under the arm admittedly.As shown in figure 19, the edge portion of the part of heat insulating lamella 197 put into hold under the arm admittedly between thin battery 192 and the outer dress shell 191, and it is also passable that a part is engaged the surface that is fixed on outer dress shell 191.The part of the edge portion of heat insulating lamella 197 outside being bonded on, thin battery 192 is adorned the battery component on the surface of shell 191, because can link integratedly by heat insulating lamella 197 adorning shell 191 and thin battery 192 outward, so have the speciality that can positively prevent these position deviations.
Further, linking the outer dress shell 1,151 of the 1st shell 1A, 151A and the 2nd shell 1B, 151B, is to be set as to make to take out with pawl 18,1518 at the end of the bottom surface that is positioned at thin battery 2,152 1b of shell portion, 151b to give prominence to.The battery component of Fig. 3 and Figure 17 is to be set as taking-up is protruded in the 2nd shell 1B, 151B with pawl 18,1518.The 2nd shell 1B, 151B because be positively to be bonded by the method for welding etc. at the 1st shell 1A, 151A, be provided with the part of taking out with pawl 18,1518 and have full intensity so can make.Particularly, profile as shown in Figure 3, inner face at the end shell 1b of portion, be provided with for embedding the recess 19 of welding in reed 15 usefulness of the bottom surface of thin battery 2, the structure that reed 15 is embedded at this recess 19, and link thin batteries 2 and the outer structure of adorning shell 1 by the heat insulating lamella 7 of label etc., be to have: can positively link outer dress shell 1 and thin battery 2, and can positively link the taking-up outer dress shell 1 of pawl 18 and the speciality of thin battery 2.
More than, though understand embodiments of the invention, structure particularly of the present invention is not limited thereto embodiment, the design alteration etc. that does not break away from the scope of essence of the present invention also is to be contained among the present invention.

Claims (18)

1, a kind of battery component is that to possess outer dress shell and be accommodated in the thickness of adorning shell in addition be than the battery component of the wide thin thin battery of battery, it is characterized in that:
Outer dress shell, be to be provided with the table back side that makes thin battery to expose outside peristome, and form the two sides of covering thin battery and the square shaped as frame of both ends of the surface, further, the thickness of outer dress shell is almost equal with the thickness of thin battery, and perhaps outer dress shell makes thinner than thin battery;
Outer dress shell is the 1st shell and the 2nd shell that possesses the table back side that is divided into thin battery, and the 1st shell and the 2nd shell are to possess side shell portion and end shell portion, and the 1st shell and the 2nd shell are to link side shell portion and shell portion in end keeps thin battery.
2, as the battery component of claim 1, it is characterized in that, outer dress shell is to possess: cover the two sides of thin battery side shell portion, and cover cover end, the two ends shell portion of thin battery, and shell portion in side is provided with the maintenance ditch at inner face, keep ditch at this, put into the central protuberance of thin battery two sides.
3, as the battery component of claim 1, it is characterized in that, adorn the end shell portion or the side shell portion of shell outside, be equipped with the terminal keeper of lead-out terminal.
4, as the battery component of claim 1, it is characterized in that, the 1st shell and the 2nd shell melting are connect and link.
5, as the battery component of claim 1, it is characterized in that, the surface of thin battery is covered by the insulation material.
6, as the battery component of claim 1, it is characterized in that, heat insulating lamella is engaged and cover thin battery and outer dress shell.
7, as the battery component of claim 6, it is characterized in that, at joint the thin battery of heat insulating lamella and the composition surface of outer dress shell being arranged is the non-flat face with concavo-convex or step etc., along this non-flat facial heat insulating lamella that is shaped be bonded on thin battery and outside adorn the composition surface of shell.
As the battery component of claim 7, it is characterized in that 8, heat insulating lamella carries out failing to understand surface treatment clear along the molded non-planar that non-flat face carries out being shaped.
9, as the battery component of claim 1, it is characterized in that, the surface of thin battery is covered by heat insulating lamella, and this heat insulating lamella is that edge portion is disposed between thin battery and the outer dress shell, hold solid by thin battery and outer dress shell the edge portion of heat insulating lamella.
10, as the battery component of claim 1, it is characterized in that, heat insulating lamella is disposed at the cap portion of thin battery, and by the cap portion insulation of heat insulating lamella with thin battery.
11, as the battery component of claim 1, it is characterized in that, the full periphery of heat insulating lamella is put into to make between thin battery and the outer dress shell held under the arm admittedly.
12, as the battery component of claim 1, it is characterized in that, cover by the table back side of 2 pieces heat insulating lamellas with thin battery.
13, as the battery component of claim 1, it is characterized in that, 1 piece heat insulating lamella U oxbow is covered the table back side of thin battery.
14, as the battery component of claim 1, it is characterized in that,, keep the receiving room of protective circuit in being provided with in end shell portion that is equipped with lead-out terminal or side shell portion, and at built-in protective circuit of receiving room and and exterior insulation.
As the battery component of claim 1, it is characterized in that 15, the terminal keeper that lead-out terminal is disposed at allocation keeps protective circuit in being, and this terminal keeper is built in the end shell portion or the side shell portion of outer dress shell.
16, as the battery component of claim 1, it is characterized in that, be equipped with dead ring at the end face of the protuberance electrode that is provided with thin battery, dead ring is to have a through hole that makes the protuberance electrode outstanding, and through hole is to put into and insulate with end face for the protuberance electrode.
As the battery component of claim 1, it is characterized in that 17, linking at the positive and negative electrode of thin battery has protection component.
As the battery component of claim 1, it is characterized in that 18, thin battery is a lithium rechargeable battery, or polymer battery.
CNB031241271A 2002-04-30 2003-04-29 Battery assembly Expired - Fee Related CN1220288C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2002129356A JP3806665B2 (en) 2002-04-30 2002-04-30 Battery pack
JP129356/2002 2002-04-30
JP316184/2002 2002-10-30
JP2002316184A JP3762737B2 (en) 2002-10-30 2002-10-30 Battery pack

Publications (2)

Publication Number Publication Date
CN1455464A CN1455464A (en) 2003-11-12
CN1220288C true CN1220288C (en) 2005-09-21

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CN (1) CN1220288C (en)
TW (1) TWI232605B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006339032A (en) * 2005-06-02 2006-12-14 Toshiba Corp Battery pack
KR100876267B1 (en) * 2007-10-04 2008-12-26 삼성에스디아이 주식회사 Secondary battery
CN101471430B (en) * 2007-12-27 2011-05-04 深圳富泰宏精密工业有限公司 Cell cover structure
WO2011108680A1 (en) * 2010-03-01 2011-09-09 株式会社ピューズ Thin battery module and assembled battery using same
TWM427683U (en) * 2011-09-28 2012-04-21 Uer Technology Corp Thin type battery and package structure thereof

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TW200306029A (en) 2003-11-01
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