CN102447082A - Battery package body - Google Patents
Battery package body Download PDFInfo
- Publication number
- CN102447082A CN102447082A CN2011102793663A CN201110279366A CN102447082A CN 102447082 A CN102447082 A CN 102447082A CN 2011102793663 A CN2011102793663 A CN 2011102793663A CN 201110279366 A CN201110279366 A CN 201110279366A CN 102447082 A CN102447082 A CN 102447082A
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- CN
- China
- Prior art keywords
- circuit substrate
- package body
- interarea
- cell package
- monocell
- 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.)
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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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- Battery Mounting, Suspending (AREA)
Abstract
The present invention provides a battery package body which has excellent impact resistance and can perform excellent battery characteristic when an outer connector is impacted because of falling off. In the battery package body (1), an upper surface of a single battery (4) is provided with a substrate base (5). A protective circuit substrate (6) is positioned and configured above the substrate base (5). On the substrate base (5), a projected part (51) is equipped to abut against a back surface (second main surface (60B)) of a substrate body (60) which is equivalent with the position of an outer connector (61) that is vertically equipped on a first main surface (60A) of the protective circuit substrate (6). The projected part (51) forms a shape which causes crossing of a plurality of ribs (510,511,...) and forming a shape that is similar with a Chinese character 'jing'.
Description
Technical field
The present invention relates to the cell package body, relate in particular to the outstanding anti-structure that falls that is provided with the cell package body that aerial lug forms of the foreign side of external packing housing.
Background technology
In recent years, the cell package body that the secondary cell that uses is used for monocell that can charge was repeatedly extensively popularized.The cell package body has than high energy density, is widely used as the main power source of notebook personal computer (notebook PC) or portable phone, PDA, other various electronic equipments or stand-by power supply etc.
Representational cell package body has rectangular-shaped flat square secondary cell (lithium ion battery) as monocell, and on this monocell, is electrically connected with the structure of protective circuit substrate.The protective circuit substrate is configured on the side of monocell, and the external connection terminals on this substrate is exposed.And, monocell and protective circuit substrate reception in the external packing enclosure interior that is made up of pair of shells, are utilized ultrasonic wave coating method etc. that pair of shells seam is each other melted and apply.The protective circuit substrate is located (for example with reference to patent documentation 1) by the location that the inner surface in pair of shells forms with rib.
[patent documentation 1] TOHKEMY 2006-179212 communique
[patent documentation 2] TOHKEMY 2010-27485 communique
Yet in having the conventional battery packaging body of said structure, when from the outside aerial lug being applied power owing to impact such as fall, aerial lug is pressed the voltage protection circuit substrate sharp, curved substrate and might damage (fracture or break etc.).And, because such substrate deformation of sharply pushing of following aerial lug, and the electric components such as ceramic capacitor that are installed on the protective circuit substrate also can be damaged.
Especially in recent years, for the requirement of the miniaturization of satisfying the cell package body, lightweight etc., and realized the thin-walled property of external packing housing member and substrate component, but in this case, the problems referred to above are more obvious.
Summary of the invention
The present invention is in view of above problem and making, even its purpose is impacted because of falling near being to provide a kind of aerial lug, resistance to impact is excellence and can expect to bring into play the cell package body of good battery behavior also.
In order to solve above-mentioned problem; The present invention provides a kind of cell package body; Its through with rectangular-shaped monocell and circuit substrate so that the part of aerial lug is accommodated in the external packing housing to the outstanding state that is provided with in outside constitutes; Said circuit substrate is connected with said monocell and on first interarea, erects and is provided with said aerial lug; Wherein, Between side of said monocell and circuit substrate, be equipped with the substrate holder that is made up of insulating component, said circuit substrate is being through being provided with the regulation zone and said substrate holder butt of the second corresponding interarea of position with the setting of the said aerial lug of first interarea at least, and said circuit substrate is supported by said monocell via said substrate holder.
At this, can be on said substrate holder, to be formed with protuberance, the regulation zone butt of said second interarea in this protuberance and the circuit substrate.
In this case, can be that said protuberance is made up of the rib that is adapted to cross-like, the regulation zone butt of the top of this rib and said second interarea.
In addition, can be said external packing housing forms through first housing and second housing are carried out ultrasonic wave coating each other.
In addition, can be on the inner surface of said external packing housing, to be formed with through the location that is used to locate this circuit substrate that joins of first interarea with circuit substrate to use rib.
[invention effect]
In cell package body of the present invention, in the circuit substrate at least with first interarea on the setting of aerial lug the regulation zone (being the back side that said setting is provided with the position) of the second corresponding interarea of position is set and the protuberance butt of the substrate holder that sets at the upper surface of monocell.Thus, the setting of the aerial lug in the circuit substrate is supported via the upper surface of substrate holder by monocell near the position is set reliably.
Therefore; Make because of faulty operation under the situation under the cell package body drop the user; Even aerial lug is caused rapid impact (pressing force), protuberance also can bear above-mentioned impact via circuit substrate, thereby utilizes counteractive power that aerial lug is pushed back.Thus, can suppress subsideing of aerial lug effectively, especially can prevent to be provided with the damage of electric component of circuit substrate or the installation in corresponding zone, position with the setting of aerial lug.Consequently, can improve the reliability of cell package body extraordinarily.
In addition, in the present invention, through using the substrate holder of said structure, thereby, need not aerial lug or circuit substrate are limited to the rib etc. of shell inner surface in the inside of cell package body.Therefore, can prevent because the impact that receives of aerial lug and the problem of housing generation large deformation.
Description of drawings
Fig. 1 is the stereogram of outward appearance of the cell package body of expression execution mode 1.
Fig. 2 is the expanded view (picture group) of internal structure of the cell package body of expression execution mode 1.
Fig. 3 is near the partial perspective view of the cell package body of the structure of the upper surface of expression protective circuit substrate.
Fig. 4 is the stereogram of the structure of expression substrate holder.
Fig. 5 is the partial sectional view of the peripheral structure of expression substrate holder and protective circuit substrate.
Fig. 6 is the stereogram of the variation of expression substrate holder.
Symbol description:
1 cell package body
2 lower houses
3 upper shells
4 monocells
5,5A, 5B substrate holder
6 protective circuit substrates
20,30 interarea portions
The 21 molten grooves that apply
22 outer parts
The 31 molten ribs that apply
42 outsourcing tinnings
45 insulation boards
46 PTC elements
47 cladding sheets
51,51A, 51B protuberance
52 peristomes
53A, 53B, the chimeric pawl of 53C
56 bottoms
57 back side ribs
60 base main body
60A first interarea (base main body upper surface)
60B second interarea (base main body lower surface)
61 aerial lugs
63A, 63B, 63C embeded slot
65,66 lead plates
510,511,512,513 ribs
Embodiment
Below, execution mode of the present invention is described.
Need to prove that the present invention is not defined as each following structure certainly, in the scope that does not break away from technical scope of the present invention, can suitably change.
< execution mode 1 >
(surface structure of cell package body 1)
Use Fig. 1 that the surface structure of the cell package body 1 of execution mode is described.Fig. 1 is the outside drawing of cell package body 1.
As shown in Figure 1, cell package body 1 has lower house 2 and upper shell 3 is carried out the external packing housing that ultrasonic wave coating forms, and to have directions X be that thickness direction, Y direction are that Width, Z direction are the flat rectangular-shaped face shaping of short transverse.On the Z of cell package body 1 direction upper surface, not shown metal terminal is coated on interior aerial lug 61 gives prominence to setting to the outside along the Z direction.
Need to prove, the 24th, the label of coverage test point terminal.
(internal structure of cell package body 1)
Next, use Fig. 2 that the internal structure of cell package body 1 is described.Fig. 2 is the open cube display of the internal structure of expression cell package body 1.
As shown in Figure 2, cell package body 1 is the primary structure key element with monocell 4, and substrate holder 5, protective circuit substrate 6 etc. is accommodated in the inside of external packing housing (lower house 2 and upper shell 3) and constitutes.
(monocell 4)
Outsourcing tinning 42 and hush panel 41 are formed by the alloy material of aluminium (Al), thus cladding sheet 47 so that the face of its Al side engage with the opposed mode of hush panel 41 sides.
At this, utilize the excellent square shaped lithium ion secondary battery of charging capacity as monocell 4.The kind of monocell 4 is not defined in this, and can use other secondary cell such as Ni-MH battery or nickel-cadmium cell.
Need to prove, on two interareas of external packing jar 42, be pasted with double-sided belt 48 (double-sided belt 48 of interarea in front of in Fig. 2, only illustrating).This is to paste with the inner surface of external packing housing (upper shell 3, lower house 2) and in the fixing method of monocell 4 of enclosure interior.
(protective circuit substrate 6 etc.)
Secondly, Fig. 3 is near the stereogram of the structure the inner protective circuit substrate 6 of expression cell package body 1.
As shown in the drawing; Protective circuit substrate 6 constitutes at interior synthetic material by comprising glass or epoxy resin etc.; Will with the Y direction be the base main body 60 of narrow strip of length direction as main body, go up at two interareas (the first interarea 60A and the second interarea 60B) and various electric components to be installed and to constitute.And the interarea of base main body 60 is configured near the hush panel 41 with the mode parallel with the upper surface of hush panel 41.The electric component of regulation such as ceramic capacitor is installed, and setting is provided with aerial lug 61 near the central authorities of this upper surface on the upper surface (the first interarea 60A) of protective circuit substrate 6.
Need to prove; On the lower surface (the second not shown interarea 60B) of protective circuit substrate 6; Near length (Y) the direction both ends of base main body 60, be formed with not shown conductive welding disk; As shown in Figure 1, on each conductive welding disk, be electrically connected with lead plate 65,66 through serial spot welding respectively.
Lead plate 65,66 is made up of energising property and the excellent tabular metal material (NiP or Ni-Fe-Ni clad material) of welding characteristic, and upon deployment the hardware bending of strip is constituted.Utilize serial spot welding that lead terminal 463 and covering spare 47 are electrically connected respectively.
On positive terminal 43 and lead plate 66, directly utilize spot welding and be electrically connected with safety element (PTC main body 462), constitute PTC element 46 via lead terminal 461,463.
When the discharging and recharging of cell package body 1, PTC element 46 is just in case the situation incision that monocell 4 occurrence temperatures excessively rise is open close.When on monocell 4, PTC element 46 being installed; Between monocell 4 and hush panel 41, set insulation board 45 and guarantee certain intervals; Upload at insulation board 45 then and put PTC element 46; In order to avoid lead terminal 461,463 and seal 431 side contacts and cause short circuit, or safety valve 44 in substrate 6 sides by inaccessible and cause that work is bad.
Need to prove that insulation board 45 also can use not shown insulating tape and be fixed on monocell 4 sides.
(substrate holder 5)
Fig. 4 is that expression main characteristic of the present invention is the stereogram of the concrete structure of substrate holder 5.
The mode of groined type shape constitutes along the identical a plurality of ribs 510,511,512,513,514,515 of the height (Z direction height) of crisscross extension setting protuberance 51 by becoming roughly each other.This protuberance 51 is in order to set from the second interarea 60B side bearing protective circuit substrate 6.
The embeded slot 63A, 63B, the 63C (with reference to Fig. 3) that form in the side of the base main body 60 of protective circuit substrate 6 are chimeric with the top of rib 510,511, and set three chimeric pawl 53A, 53B, the 53C that is used to locate this substrate 6.
Need to prove that in the inside of cell package body 1, protective circuit substrate 6 is connected with monocell 4 sides through lead plate 65,66, substrate holder 5 is clipped between protective circuit substrate 6 and the monocell 4.Therefore, protective circuit substrate 6 is kept with respect to substrate holder 5 well, in case be not easy dismounting after being fixed to assembling.
(outward appearance housing)
Return Fig. 2, the discoid body that upper shell 3 and lower house 2 constitute by insulating component (is Merlon system as an example) with rectangular shape bottom surface.Lower house 2 forms the directions X degree of depth darker; So that can take in monocell 4, substrate holder 5 and protective circuit substrate 6; And because the upper side of aerial lug 61 is exposed the outside locally, therefore to be formed with outer part 22 from the mode that covers aerial lug 61 on every side.And test point 62 places on protective circuit substrate 6 are provided with and are used for the peristome 23 of switching on from the outside.This peristome 23 covers (with reference to Fig. 1) by label 24 after test.
On upper shell 3 and lower house 2, around mutual peristome, be formed with molten rib 31, the molten groove 21 that applies of applying respectively.
In addition, erect at the inner surface along the top of Z direction (being the projected direction of aerial lug 61) of each housing 2,3 and be provided with a plurality of ribs 25,32 (with reference to Fig. 5) that utilize upper surface (the first interarea 60A) and protective circuit substrate 6 butts and be used to locate this substrate 6.This rib 25,32 is optional in cell package body 1, but through utilizing this rib 25,32 can locate protective circuit substrate 6 more reliably.
After upper shell 3 and lower house 2 are taken in protective circuit substrate 6, substrate holder 5 and monocell 4 etc. when manufacturing process; Formation makes mutual interarea portion 20,30 opposed and make molten rib 31 and the molten chimeric state of groove 21 that applies of applying; Through the molten rib 31 that applies is carried out ultrasonic wave coating each other with the molten groove 21 that applies, and realize inner sealing.
(about the effect of the substrate holder in the cell package body 1 5)
Fig. 5 is that the A-A ' of the cell package body 1 in the presentation graphs 1 is to looking cutaway view.Among the figure, omitted the structure of monocell 4 inside.
Like Fig. 3, shown in 4, it is chimeric with chimeric pawl 53A, 53B, the 53C of embeded slot 63A, 63B, 63C and the substrate holder 5 of base main body 60 to have a protective circuit substrate 6 of said structure.And, as shown in Figure 5, base main body 60 at its back side by the outstanding top-supported that each rib 510～513 of portion 51 is set.Substrate holder 5 rib 57 places is overleaf carried out butt and is configured in the side (upper surface of hush panel 41) of monocell 4, and under this state, protective circuit substrate 6, substrate holder 5, monocell 4 are accommodated in the inside of pair of shells 2,3, by inner sealing.
In the inside of cell package body 1, protuberance 51 supportings that the substrate holder 5 that the zone of the lower surface (the second interarea 60B) of the corresponding base main body in position 60 sets by the upper surface at monocell 4 is set with the setting of aerial lug 61 at least in the protective circuit substrate 6.The end butt of the bottom surface of monocell 4 and outward appearance housing, and two interareas of monocell 4 are also through being fixed together with the inner surface of outward appearance housing with 48.
Therefore; Even cell package body 1 is fallen the user; And as shown in Figure 5ly aerial lug 61 is caused under the situation of rapid impact (pressing force) from Z direction in the opposite direction; Protuberance 51 also can bear above-mentioned impact via protective circuit substrate 6, thereby utilizes counteractive power along the Z direction aerial lug 61 to be pushed back.Thus; Prevent that aerial lug 61 is trapped in the inner problem of cell package body; Therefore protective circuit substrate 6 can not produce excessive distortion (deflection), thereby can prevent base main body 60 effectively or be installed in the damage of the electric components such as ceramic capacitor on this base main body 60.Therefore, can improve the reliability of cell package body 1 tremendously.
In addition; In cell package body 1; The rib the 25, the 32nd of housing 2,3 inner surfaces joins with the upper surface (the first interarea 60A) of protective circuit substrate 6 and limits the structure of floating of this substrate 6 to the Z direction, is not the structure of ending this substrate 6 from the second interarea 60B side bearing or card.Therefore, as stated, even aerial lug 61 is impacted, this impulsive force can directly not influence rib 25,32 yet, can prevent that therefore housing produces the problem of large deformation via rib 25,32.
And such cell package body 1 can use the substrate holder 5 of injection molding to implement originally with lower one-tenth.Therefore, the present invention is very excellent aspect realization property.
(about the shape of the protuberance that is arranged at substrate holder)
In cell package body of the present invention; In order to obtain each above-mentioned effect effectively; Need at least to make the protuberance 51 and second interarea 60B butt reliably being provided with on the regulation zone of position corresponding (coincidence) the second interarea 60B with the setting of the aerial lug 61 of the first interarea 60A.
In addition, big more with the butt area of the protuberance 51 of the substrate holder 5 of protective circuit substrate 6 butts in this case, prevent that the effect of protective circuit substrate 6 damages is good more.Thus, for example increase rib 510,511 ... Width and as far as possible widely guarantee the area at top, or increase rib 510,511 ... Radical or each rib 510,511 ... The way of crossover location be effective.So, protuberance 51 self rigidity also improve, and therefore can expect the tremendous improvement of the durability of cell package body 1.
Rib 510,511 ... Be not defined as the pattern of the continuous band shape of that kind shown in Figure 4.
At this, Fig. 6 is the stereogram of the variation of expression substrate holder.For example shown in the seat 5A of Fig. 6 (a), the protuberance 51A of dull and stereotyped trapezoidal shape can be set also.
Perhaps shown in the seat 5B of Fig. 6 (b), can intermittently be provided with a plurality of along the XY all directions columned protuberance 51B.And, about rib shown in Figure 4, need not mutual intersection, for example also can Y direction (or directions X) be set up in parallel along directions X (or Y direction) as length.
< other business >
In the cell package body 1 of execution mode 1, illustration the structure of a built-in monocell 4, but in the cell package body of built-in a plurality of monocells, also can be suitable for the present invention.
In addition, the side that the monocell 4 of protective circuit substrate 6 and substrate holder 5 is installed is not defined in the side (that is, the upper surface of hush panel 41) that is equipped with hush panel 41, can be the side (for example along the two sides on XZ plane any) of the monocell 4 beyond this yet.
In addition, safety element is not defined as PTC element 46, can use the safety element beyond this yet.For example enumerate NTC (Negative Temperature Coefficient) element or temperature fuse element etc. sensible heat element and other be used in battery-operated various electric component.
Use protective circuit substrate 6 as the structure example that is equipped on the circuit substrate of substrate holder 5 though show,, circuit substrate also can use the parts beyond the protective circuit substrate 6 certainly.
[industrial applicibility]
Cell package body of the present invention can also extensively utilize the main power source as miniaturized electronicss such as Portable DVD player, portable GPS, walkie-talkies except for example notebook computer, PDA.Perhaps can also be applied to bigger equipment such as engine-assisted bicycle or electric tool.
The present invention can both realize having the cell package body of apperance quality effectively in all purposes.
Claims (5)
1. cell package body; Its through with rectangular-shaped monocell and circuit substrate so that the part of aerial lug is accommodated in the external packing housing to the outstanding state that is provided with in outside constitutes; Said circuit substrate is connected with said monocell and on first interarea, erects and is provided with said aerial lug; It is characterized in that
Between side of said monocell and circuit substrate, be equipped with the substrate holder that constitutes by insulating component,
Said circuit substrate is being through being provided with the regulation zone and said substrate holder butt of the second corresponding interarea of position with the setting of the said aerial lug of first interarea at least, and said circuit substrate is supported by said monocell via said substrate holder.
2. cell package body according to claim 1 is characterized in that,
On said substrate holder, be formed with protuberance, the regulation zone butt of said second interarea in this protuberance and the circuit substrate.
3. cell package body according to claim 2 is characterized in that,
Said protuberance is made up of the rib that is adapted to cross-like, the regulation zone butt of the top of this rib and said second interarea.
4. according to each described cell package body in the claim 1～3, it is characterized in that,
Said external packing housing forms through first housing and second housing are carried out ultrasonic wave coating each other.
5. according to each described cell package body in the claim 1～4, it is characterized in that,
On the inner surface of said external packing housing, be formed with the location and use rib, this location joins with first interarea of rib and circuit substrate and is used for this circuit substrate is positioned.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-223346 | 2010-10-01 | ||
| JP2010223346A JP2012079536A (en) | 2010-10-01 | 2010-10-01 | Battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102447082A true CN102447082A (en) | 2012-05-09 |
Family
ID=46009364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102793663A Pending CN102447082A (en) | 2010-10-01 | 2011-09-20 | Battery package body |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2012079536A (en) |
| CN (1) | CN102447082A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167518A (en) * | 2014-08-06 | 2014-11-26 | 丁家俊 | Battery shell, cell, battery and assembly method of battery |
| CN111104696A (en) * | 2019-12-17 | 2020-05-05 | 北京力天世技系统集成有限公司 | Multi-path safety element cluster board card |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6266387B2 (en) * | 2014-03-10 | 2018-01-24 | セイコーインスツル株式会社 | Substrate unit, electrochemical cell unit, and electrochemical cell unit manufacturing method |
| JP2018049746A (en) * | 2016-09-21 | 2018-03-29 | エリーパワー株式会社 | Power storage device |
| JP6956545B2 (en) * | 2017-07-10 | 2021-11-02 | 株式会社エンビジョンＡｅｓｃジャパン | Battery pack |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009176690A (en) * | 2008-01-28 | 2009-08-06 | Sanyo Electric Co Ltd | Pack battery |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001266824A (en) * | 2000-03-24 | 2001-09-28 | Sanyo Electric Co Ltd | Battery pack |
| JP4999269B2 (en) * | 2004-12-21 | 2012-08-15 | ソニー株式会社 | Batteries and electronics |
| JP5119665B2 (en) * | 2006-12-28 | 2013-01-16 | ソニー株式会社 | Battery pack |
| JP5164469B2 (en) * | 2007-08-02 | 2013-03-21 | 三洋電機株式会社 | Pack battery |
| JP2009059630A (en) * | 2007-08-31 | 2009-03-19 | Sanyo Electric Co Ltd | Battery pack |
| KR101042750B1 (en) * | 2009-01-09 | 2011-06-20 | 삼성에스디아이 주식회사 | Battery Pack |
-
2010
- 2010-10-01 JP JP2010223346A patent/JP2012079536A/en active Pending
-
2011
- 2011-09-20 CN CN2011102793663A patent/CN102447082A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009176690A (en) * | 2008-01-28 | 2009-08-06 | Sanyo Electric Co Ltd | Pack battery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167518A (en) * | 2014-08-06 | 2014-11-26 | 丁家俊 | Battery shell, cell, battery and assembly method of battery |
| CN111104696A (en) * | 2019-12-17 | 2020-05-05 | 北京力天世技系统集成有限公司 | Multi-path safety element cluster board card |
| CN111104696B (en) * | 2019-12-17 | 2020-09-22 | 北京力天世技系统集成有限公司 | Multi-path safety element cluster board card |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012079536A (en) | 2012-04-19 |
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Application publication date: 20120509 |