CN100492717C - Battery pack - Google Patents
Battery pack Download PDFInfo
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- CN100492717C CN100492717C CNB2005800039814A CN200580003981A CN100492717C CN 100492717 C CN100492717 C CN 100492717C CN B2005800039814 A CNB2005800039814 A CN B2005800039814A CN 200580003981 A CN200580003981 A CN 200580003981A CN 100492717 C CN100492717 C CN 100492717C
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The present invention provides a battery pack(10), which is provided with a battery(1), a circuit board(5), which has a charge-discharge safety circuit and is arranged on one edge plane(3) of the battery, and an edge part case(6) mounted with an external connecting terminal(7). The circuit board(5) is stored and arranged in the edge part case(6). The edge part case(6) is firmly fixed by screwing the leading edge parts of screws(12) into the both edge parts of one edge plane(3) of the battery(1). The screws penetrate the both edge parts of the edge part case with their head parts(12a) engaged with the both edge parts. Thus, the battery pack which is small in size and has a small connection resistance, high reliability and high productivity is provided.
Description
Technical field
The present invention relates to have the circuit board of charge-discharge protection circuit, will accommodate that the end housing of this circuit board and battery are combined into one and the battery pack that constitutes in the configuration of an end of battery.
Background technology
The incorporated battery pack of battery and the circuit board group with charge-discharge protection circuit is required that compact structure will be arranged, is connected the little and reliability height of connecting portion of resistance, the production efficiency height in the manufacture process.
In the past battery pack adopts accommodates the structure that is configured in the housing with battery and protection component or circuit board.As concrete example; we know battery container in the housing with terminal windows; configuration protection element or circuit board in the space that between battery and housing, is provided with, with the lead plate that connects battery and circuit board be configured in the opposed position of terminal windows on as the battery pack (for example with reference to patent documentation 1) of outside terminal.
And; we also know on the periphery of an end face of battery and are formed with raised line; be provided with recess in the inboard; the terminal support have with the mosaic process portion of the recess tabling of an end face of battery is set in the bottom; be fixed to the upper the surface with being contained in the terminal support and in the protection component with terminal board; with jointing tape or heat-shrinkable film etc. terminal support is connected on the battery; after the lead plate that will draw usefulness then is welded on terminal board and the battery container, accommodate again in the housing or with the battery pack (for example with reference to patent documentation 2) of linings such as heat-shrinkable tube.
And, we also know and are not temporarily to remain on circuit board on the battery with support as in the past, in this state with lead plate mechanically with electrically be connected battery and circuit board, but the connection jut is set on the hush panel of battery, should connect jut and be connected on the circuit board, with connect jut mechanically with the battery pack that electrically is connected battery and circuit board (for example with reference to patent documentation 3).
And; we also know by the part of produced by insert molding battery or integral body, will allow external connection terminals be exposed to outside and built-in and are fixed with the battery pack (for example with reference to patent documentation 4) of the one-body molded end at battery of the resin forming portion of protection component.
But; the structure of patent documentation 1 is owing to be provided with the space of configuration protection element and circuit board between housing and battery; therefore the outer deformation of housing is big; and there is the possibility that produces fault owing to the movable or vibration of circuit board or protection component; but do not move and be fixed on battery or the housing very difficult in order to make circuit board or protection component; thereby exist and to guarantee high reliability problems, and, therefore exist to connect the big problem of resistance owing to connect with lead plate.
Though and patent documentation 2 is fixedly installed to protection component on the battery by terminal support; but lead plate is welded on the assembly of this battery and support; accommodate and constitute battery pack in the housing; therefore existing not only, overall dimension becomes big; and connection resistance is big, assembling procedure is many, is difficult to guarantee the problem of high production efficiency.
And, though patent documentation 3 is fixed to circuit board on the hush panel of battery for have the special hush panel that connects jut by use, can reduce to connect impedance by the syndeton of not using lead plate, and can reduce the structure of assembling procedure, but, therefore there is the big problem of overall dimension phase strain owing to be with the structure of these circuit boards and the battery container battery pack in the housing.
And; patent documentation 4 is owing to be fixed to protection component and lead-out terminal in the resin forming portion by produced by insert molding battery and protection component and lead-out terminal; therefore can reduce number of components and parts and compact conformation ground and constitute, but the produced by insert molding existence needs the cost equipment cost and is difficult to guarantee the high dimensional accuracy or the problem of production efficiency.
No. 3244400 specification of [patent documentation 1] Japanese Patent Laid
[patent documentation 2] Japan Patent spy opens the 2000-243362 communique
[patent documentation 3] Japan Patent spy opens the 2002-298809 communique
[patent documentation 4] Japan Patent spy opens the 2004-95329 communique
Summary of the invention
Therefore, the present invention is exactly in view of above-mentioned problem in the past, and its objective is will provide a kind of compact conformation, connects that resistance is little, reliability is high, and the high battery pack of production efficiency.
In order to achieve the above object; battery pack of the present invention is the battery pack that possesses battery, has charge-discharge protection circuit and be configured in circuit board on the end face of battery, is equipped with the end housing of external connection terminals; circuit board is accommodated the inside that is configured to the end housing, head is combined in the two ends of end housing and the top of the screw that runs through be screwed into battery an end face both ends and fix.
If adopt this structure, owing to be that the end housing is fixed on structure on the end face of battery, therefore can become compact structure, and can shorten interior circuit board of battery and end housing and the access path between the external connection terminals, can reduce to connect resistance; And since can enough tops be screwed in the end face of battery with screw and fix this simple operation with battery and end housing in conjunction with being fixed into one, therefore can realize the battery pack that reliability and production efficiency are all high.And owing to be screwed end housing and battery, therefore not only can have big endurance in the direction parallel (direction of shear screw) with an end face of battery, and can have big endurance in the direction (direction of stretching screw) that makes the end housing leave battery, can guarantee high constant intensity to the external force of all directions.
And; the battery pack of another scheme of the present invention is the battery pack that possesses battery, has charge-discharge protection circuit and be configured in circuit board on the end face of battery, is equipped with the end housing of external connection terminals; circuit board is accommodated the inside that is configured to the end housing, head is combined in the two ends of end housing and the top in conjunction with pin of taking the lead run through is fixed on the two ends of an end face of battery.
If adopt this structure, owing to be that the end housing is fixed on structure on the end of battery, therefore can become compact structure, and can shorten interior circuit board of battery and end housing and the access path between the external connection terminals, thereby can reduce to connect resistance; And this simple operation is fixed into one with battery and the combination of end housing on the battery owing to can enoughly will be fixed in conjunction with the top of pin, therefore can realize the battery pack that reliability and production efficiency are all high.
And, if be provided with at the position on secure bond pin top at least on the end face of battery and parts in conjunction with the similar material of pin owing to be fixing between the similar material, so guarantee to have enough intensity easily, stationary state that reliability is high.For example, end face at battery is made of the aluminum or aluminum alloy identical with battery container, though it is very little but be under the material situation about constituting with iron in order to ensure enough intensity in conjunction with pin, might be difficult to guarantee that constant intensity has high reliability if they are fixed with resistance welded, but adopt similar material by position, can easily guarantee the stationary state that reliability is high on the top of the secure bond pin of an end face of battery.
And, as an end face that makes this battery with the method that adopts the material similar in conjunction with relative position, the top of pin with combining pin, there is an end face that makes battery to adopt structure with composite materials such as aluminum or aluminum alloy and steel plate subsides all-in-one-piece composite plates, perhaps by laser welding or electron beam welding etc. on the parts of an end face that constitutes battery predetermined fixed with in conjunction with the method for the parts of the similar material of pin etc., if but screw thread fixing by with the screw that constitutes in conjunction with the similar material of pin, then can implement more simply, more satisfactory.
And; other the battery pack of scheme more of the present invention is the battery pack that possesses battery, has charge-discharge protection circuit and be configured in circuit board on the end face of battery, is equipped with the end housing of external connection terminals; circuit board is accommodated the inside that is configured to the end housing, the state lower fixed head portion in the recess that on the parts that make an end face that forms battery enter periphery in conjunction with the top of pin, forms be combined on the housing of end and run through in conjunction with the top of pin and an end face of battery.
If adopt this structure, owing to be that the end housing is fixed on structure on the end face of battery, therefore can become compact structure, and can shorten interior circuit board of battery and end housing and the access path between the external connection terminals, thereby can reduce to connect resistance; And because the top of secure bond pin and an end face of battery under the state in the recess that on the parts that make an end face that forms battery enter periphery in conjunction with the top of pin, forms, therefore with an end face that will be fixed on battery merely in conjunction with the top of pin on the time compare, can all have big endurance in direction parallel (direction of shear screw) and the direction (direction of stretching screw) that makes the end housing leave battery with an end face of battery, can guarantee high constant intensity, can provide reliability high battery pack the external force of all directions.
And, if the jut that side face has recess is set on top in conjunction with pin, on an end face of battery, form the hole of the jut on chimeric top in conjunction with pin, make above-mentioned jut embed the words of resistance welded in the above-mentioned hole in conjunction with an end face of the top of pin and battery, then be filled in the recess by the parts fusing that makes an end face that forms battery when the resistance welded, battery can be firmly fixed as described above and the end housing becomes one them, the high battery pack of reliability can be obtained by the so simple operation of resistance welded, high production efficiency and reliability can be obtained simultaneously.
And, the battery container of battery is the electrode terminal of a polarity, have the polarity electrode terminal different on one end face with battery container, be fixed with the 1st connection carriage on one end face of battery container with the portion of holding up, dispose the connecting plate that the portion of holding up overlaps and a part links to each other with circuit board that is connected carriage with the 1st in the inboard of a sidewall of end housing, portion and connecting plate are holded up in the operation opening welding that the part relative with the portion of holding up forms on the sidewall by the end housing, if so, not only can shorten access path and reduce to connect resistance, and can operation connect well, can guarantee high production efficiency.
And; the battery container of battery is the electrode terminal of a polarity; have the polarity electrode terminal different on one end face with battery container; one end of safeguard protection element is connected with the electrode terminal of an end face of battery container; the other end of safeguard protection element is connected with circuit board; if adopt such structure; the space that then can utilize the electrode terminal side is installed in safeguard protection elements such as hot melt part or PTC elements that an end face that makes itself and battery between electrode terminal and the circuit board connects or near their ground configurations; when the temperature anomaly of battery rises, can cut off electric current, can improve fail safe by enough compact structures.
And; on the other end of safeguard protection element, be fixed with the 2nd and connect carriage; on circuit board, be fixed with the 3rd and connect carriage; 2nd, the 3rd connects the portion of holding up that carriage has mutual coincidence respectively; operation eyelet welding by end housing upper shed meets the 2nd portion of holding up that is connected carriage with the 3rd; if like this, can be connected operation hole production efficiency that carriage passes through the end housing with welding connecting circuit plate and safeguard protection element well with the 3rd by the 2nd.
And, if be installed in the terminal that the external connection terminals on the housing of end connects/disconnects for the splicing ear by the plug connecting object, then in wanting battery pack accommodated portable electronic instrument of being provided with in the cell arrangement space etc., compare with the terminal that electrode terminal that makes object and plane external connection terminals connect, can significantly improve the stability that power supply is supplied with, even be given a shock or impacting the power supply that also can realize high reliability under such environment and supply with, even and this external connection terminals also can be easily and compact conformation be installed on the housing of end.
Description of drawings
Fig. 1 is the decomposition diagram of major part of the battery pack of expression the 1st embodiment of the present invention.
Fig. 2 A～Fig. 2 B is the structure of major part of the battery pack of expression the 1st embodiment, the biopsy cavity marker devices perspective view of Fig. 2 A for looking from the arrow II direction of Fig. 1, and Fig. 2 B is the cutaway view of this part.
Fig. 3 A～Fig. 3 B is the structure of major part of expression battery pack of the present invention, Fig. 3 A be Fig. 1, Fig. 9 and Figure 13 IIIA-IIIA to looking cutaway view, Fig. 3 B be Fig. 1, Fig. 9 and Figure 13 IIIB-IIIB to looking cutaway view.
Fig. 4 A～Fig. 4 C is a perspective view of representing the assembling procedure of battery pack of the present invention successively.
Fig. 5 is the perspective view of the assembling procedure of expression battery pack of the present invention.
Fig. 6 is the perspective view of the assembling procedure of expression battery pack of the present invention.
Fig. 7 is the perspective view of the assembling procedure of expression battery pack of the present invention.
Fig. 8 is the perspective view of the completion status of expression battery pack of the present invention.
Fig. 9 is the decomposition diagram of major part of the battery pack of expression the 2nd embodiment of the present invention.
Figure 10 is the major part of battery pack of expression the 2nd embodiment, from the X of Fig. 9 to the biopsy cavity marker devices perspective view of seeing.
Figure 11 is the cutaway view of major part of the battery pack of the 3rd embodiment of the present invention.
Figure 12 A～Figure 12 B is the cutaway view of the installation process of screw among expression the 3rd embodiment.
Figure 13 is the decomposition diagram of major part of the battery pack of expression the 4th embodiment of the present invention.
Figure 14 A～Figure 14 B is the structure of major part of the battery pack of expression the 4th embodiment, the biopsy cavity marker devices perspective view of Figure 14 A for looking from the XIVA direction of Figure 13, and Figure 14 B is the cutaway view of this part.
Figure 15 A～Figure 15 B is the welding sequence in conjunction with pin of representing the 4th embodiment, and Figure 15 A is the cutaway view of the preceding state of expression welding, and Figure 15 B is the perspective view of the state after the expression welding.
Figure 16 A～Figure 16 E is in conjunction with the perspective view of the various structure example of pin among expression the 4th embodiment.
Figure 17 A～Figure 17 B be among expression the 4th embodiment in conjunction with other welding sequences of pin, the perspective view of the state of Figure 17 A before, the perspective view of the state of Figure 17 B after for the expression welding for the expression welding.
Embodiment
Below with reference to Fig. 1～Figure 17 B battery pack of the present invention is described.
(embodiment 1)
Among Fig. 1,1 for shape of cross section is flat rectangle or the rectangle of circular arc interior angle or the battery of oval corner, and battery 1 is made of lithium ion battery, and the inside of battery container 2 contains pole plate group and the electrolyte as the generating key element.The structure of pole plate group is for being laminated into the structure of multilayer by the volume of coiled under the state that accompanies dividing plate between strip-shaped positive electrode plate and the negative plate.Positive plate adopts on the core that aluminium foil constitutes and (is just applying cathode mixture
Close drug) dry again structure, negative plate adopts the dry again structure of coating negative pole intermixture on the core that is made of Copper Foil, and dividing plate is with the formations such as polypropylene film of many micro-holes.
At the outstanding electrode terminal 4 that is equipped with of the central authorities of an end face 3 of battery container 2.Electrode terminal 4 runs through an end face 3 of battery container 2 with the state of insulated enclosure, constitutes the negative electrode terminal of battery 1.The anode electrode terminal of battery 1 is made of battery container 2.
5 for the circuit board on the end face 3 that is configured in battery container 2, is provided with charge-discharge protection circuit.6 are the end housing on an end face 3 that is fixed to battery container 2 under the state that circuit board 5 is housed in inside.3 external connection terminals 7 are installed on end housing 6 under by built-in state.The terminal of these external connection terminals 7 for allowing the splicing ear plug of connecting object connect or to disconnect separates proper spacing and the close upper surface of striding with the side and 3 of opening are connected window 8 ground and set at an end of end housing 6 on the angle of a side.And each external connection terminals 7 is given prominence to downwards and is formed with a pair of connection leg 7a, and circuit board 5 is provided with for these connection legs 7a and inserts the connecting hole 9 that runs through and weld.2 is anodal and negative pole external connection terminals in 3 external connection terminals 7, and remaining 1 for discerning the splicing ear that resistance detection is used.
Below mainly the details that this screw thread is fixing is described with reference to Fig. 2 B, battery container 2 comprises that one end 3 usefulness aluminum or aluminum alloy constitute, and the wall ratio of an end face 3 is thicker, for for example about 0.8～1.5mm,, the two ends at this end face 3 form circular depressions 3a as hole under the screw by punch forming for being screwed into screw 12 when forming internal thread.For example, when using major diameter of thread as the thin screw of metric system of 1.2mm during as screw 12, by the height that makes thread is 0.13mm, pitch is 0.25mm, the internal diameter of circular depressions 3a is 0.9mm, and the degree of depth is 1.4mm, and the thread of screw 12 is screwed among the circular depressions 3a about 4 teeth, when an end face 3 usefulness aluminum or aluminum alloy constitute, can obtain constant intensity necessary on the axis direction of screw 12.
In addition, it is 1.0～2.0mm that the concrete example of above-mentioned screw 12 can use the normally used external diameter as an example, pitch is that the serial screw of the fine thread of 0.2～0.4mm is as screw 12, corresponding with it, it is 0.6～1.7mm that circular depressions 3a is set to its internal diameter, and the degree of depth is about 0.8～1.6mm.
The following describes the structure that is electrically connected in this battery pack 10.Anodal battery container 2 connects carriage 13 by the 1st and links to each other with circuit board 5 with connecting plate 14.The 1st connects carriage 13 is fixed by welding on the end face of battery, and a side is holded up the 13a of portion.This is holded up the 13a of portion and extends upward contiguously with the inboard of a sidewall of end housing 6 as shown in Figure 3A.Connecting plate 14 is connected the 13a of the portion of holding up of carriage 13 with the 1st inboard is provided on the circuit board 5 overlappingly, from connecting portion 15 tablings of the outstanding connection leg 14a of lower ends downward with the side formation of recessed circuit board 5, by soldering on the connection electrode that forms on the lower surface of connecting portion 15.End housing 6 is provided with the supporting wall 6b that supports connecting plate 14 from the inboard.And, on the relative part of the 13a of the portion of holding up end housing 6 and a sidewall, be formed with operation opening 6a.A pair of welding electrode is connected by this operation opening 6a is connected carriage 13 with the 1st the 13a of the portion of holding up, and welding current will be holded up the 13a of portion and connecting plate 14 welds mutually by flowing through between them, and be electrically connected.
The electrode terminal 4 of negative pole links to each other with circuit board 5 by safeguard protection elements 16 such as hot melt part or PTC elements.At length; the brace 16a of safeguard protection element 16 1 ends is connected with electrode terminal 4 by welding; one side has holds up the 2nd of the 17a of portion and connects on carriage 17 is fixed on safeguard protection element 16 by welding the brace 16b of the other end; such shown in Fig. 1 and Fig. 3 B; have and be connected carriage 18 with the 3rd of the overlapping 18a of the portion of holding up of the inner surface of holding up the 17a of portion and be fixed on the circuit board 5 by welding, these connect carriage 17; 18 the 17a of the portion of holding up; 18a holds up the 17a of portion by running through being positioned at these of Width formation; operation hole 19 on the end housing 6 of the corresponding position of 18a and welding.So, the electrode terminal 4 of negative pole by safeguard protection element 16 be connected carriage 17,18 and link to each other with circuit board 5.In addition, though use being illustrated in the present embodiment as the IIIA-IIIA of Fig. 1 of the structure that is electrically connected of expression battery pack 10 to Fig. 3 A that looks cutaway view with as Fig. 3 B of IIIB-IIIB to looking cutaway view, but because the connecting structure for electrical equipment of the battery pack 10 among other the embodiment (with reference to Fig. 9, Figure 13) is also identical with present embodiment, therefore Fig. 3 A also be Fig. 9 and Figure 13 IIIA-IIIA to looking cutaway view, Fig. 3 B also be Fig. 9 and Figure 13 IIIB-IIIB to looking cutaway view.
In Fig. 1, dispose the 1st insulation board 20 between an end face 3 of battery container 2 and the safeguard protection element 16, be adhesively fixed with its bonding agent that is provided with below.The 1st insulation board 20 is formed with the pass through openings 21 that power supply gate terminal 4 is interted in central authorities; with opening 28, the corresponding position of brace 16b with the other end on the other end is provided with the bonding agent 23 that is fixed in the heat transfer that is formed with an end face 3 that allows element portion close on battery container 2 with the corresponding position of the element portion of safeguard protection element 16.Conduct heat and to be used for the heat of battery 1 is passed to effectively the silicon 24 of element portion with shown in Fig. 4 B, being filled with like that in the opening 28.On safeguard protection element 16, dispose the 2nd insulation board 25, bonding with bonding agent that is provided with below and safeguard protection element 16, guarantee the insulation between safeguard protection element 16 and the circuit board 5.
The following describes the assembling procedure of the battery pack 10 of above structure.At first, shown in Fig. 4 A, on an end face 3 of battery 1, dispose the 1st insulation board 20 and carry out bonding.Then be shown in the heat transfer of the 1st insulation board 20 with filling silicon 24 in the opening 28 as Fig. 4 B; to be configured on the 1st insulation board 20 having welded the 2nd safeguard protection element 16 that connects carriage 17 on the brace 16b of the other end, the brace 16a of an end will be welded on the electrode terminal 4.And, with the 1st side that connects the 1st insulation board 20 on the end face that carriage 13 is welded to battery 1.Then be shown in safeguard protection element 16 is connected carriage 13 with the 1st top configuration the 2nd insulation board 25 and bonding as Fig. 4 C.
As shown in Figure 1, with external connection terminals 7 be installed to end housing 6 near the position that connects window 8, connecting plate 14 is inserted between the formation portion and supporting wall 6b of the operation opening 6a on the sidewall.And the 3rd connects carriage 18 is welded on preposition on the circuit board 5.Then, insert configuration circuit plate 5 from the lower ending opening of end housing 6, to be welded on the electrode that forms around the connecting hole 9 from the end of the connection leg 7a of the outstanding external connection terminals 7 of connecting hole 9, will be welded on from the end of the connection leg 14a of the outstanding connecting plate 14 of connecting portion 15 connecting portion 15 around on the electrode that forms.
Then as shown in Figure 5, make the 1st 13a of the portion of holding up that connects carriage 13 overlap the outside of connecting plate 14, and make the 2nd 17a of the portion of holding up that connects carriage 17 be connected with the 3rd carriage 18 the 18a of the portion of holding up outer side superimposed will accommodate the end housing 6 that disposes circuit board 5 and cover on an end face 3 of battery 1.And, screw 12 is inserted installing hole 11.Hook the finger tip hook 26 of finger tip when on the 1b of the other end of battery 1, being bonded with loading and unloading battery group 10.
As shown in Figure 6, the head 12a that is engaged to screw 12 in the installing hole 11 at end housing 6 two ends will be inserted screwdriver (instrument) is shown in arrow a, be rotated in by flanging by the limit when forming internal thread on the inner peripheral surface of the circular depressions 3a that forms on the end face 3 of battery 1, the top of screw 12 is screwed into wherein, by this screw 12 two ends of end housing 6 is fixed on the battery 1 and becomes one.And, insert welding electrode from the both sides in the operation hole 19 that end housing 6 forms shown in arrow b, when pushing, allow welding current flow through, be welded to connect the 17a of the portion of holding up, the 18a (with reference to Fig. 3 B) of carriage 17,18.And, insert a pair of welding electrode is connected carriage 13 with the 1st the 13a of the portion of holding up from the operation opening 6a of end housing 6 shown in arrow c and connect, when pushing, allow welding current flow through, weld the 1st and connect carriage 13 and connecting plate 14 (with reference to Fig. 3 A).
Then, be wrapped in around the bottom of all sides, end housing 6 of battery 1 as the packaging label 27 that as shown in Figure 7 back side of synthetic resin thin layer is coated with bonding agent and finger tip hook 26 around and bonding.And, extend diaphragm seal 27a, 27b and 27c in installing hole 11, operation hole 19 and the corresponding position of operation opening 6a that the top of the top edge of packaging label 27 and end housing 6 forms, by these diaphragm seals 27a, 27b, 27c being sticked on the surface of end housing 6, installing hole 11, operation hole 19 and operation opening 6a are hidden.Finish battery pack 10 like this, as shown in Figure 8.
If adopt the battery pack 10 of present embodiment, owing to be to fix the structure that end housing 6 is fixed on integratedly an end of battery 1, not that battery 1 and circuit board 5 are integrally accommodated in the housing by tightening of screw 12, therefore can make compact conformation.And, can shorten circuit board 5 in battery 1 and the end housing 6 and the access path between the external connection terminals 7, can reduce to connect resistance.
And,, therefore can realize all high battery pack of reliability and production efficiency 10 owing to this simple operation among the circular depressions 3a of an end face 3 that is screwed into battery 1 by the top with screw 12 just can be fixed into one with battery 1 and 6 combinations of end housing.And, because an end face 3 usefulness screws 12 of end housing 6 and battery 1 are fixing, therefore the combination of thread not only can have big endurance in the direction (direction of shear screw 12) parallel with an end face 3 of battery 1, and can have big endurance in the direction (direction of stretching screw 12) that makes end housing 6 leave battery 1, can guarantee high strength to all direction external force.And, because being end faces 3 of being battery 1, screw 12 is screwed into wherein when forming internal threads, therefore in case unclamp the words that screw 12 takes out end housing 6, decomposes battery pack 10, then internal thread is destroyed can not assemble once more, can prevent to forge, can prevent the circulation of the battery pack 10 that owing to forge fail safe is not good enough by reusing.
And, battery 1 is because battery container 2 is the anode electrode terminal, the battery that negative electrode terminal 4 is at one end arranged on the face 3, therefore be fixed on the end face 3 of battery container 2 by connecting carriage 13 the 1st, the connecting plate 14 that a part is connected with circuit board 5 is configured in the inboard of a sidewall of end housing 6, weld the 13a of the portion of holding up and the connecting plate 14 of the 1st connection carriage 13 by the operation opening 6a that forms on the end housing 6, therefore the positive pole and the circuit board 5 that can operation be electrically connected battery 1 well, can guarantee high production efficiency, and can shorten access path and reduce to connect resistance.
And; owing to be connected with an end of safeguard protection element 16 on the electrode terminal 4 of an end face 3 of battery 1; the other end of safeguard protection element 16 is connected on the circuit board 5; the space that therefore can utilize electrode terminal 4 sides is installed in an end face 3 that makes itself and battery 1 between electrode terminal 4 and the circuit board 5 with the safeguard protection element 16 of hot melt part or PTC element etc. and connects or closely dispose; when the temperature anomaly of battery 1 rises, can cut off electric current, can improve fail safe by enough compact structures.
And; be connected carriage 17,18 with the 3rd owing to be fixed with the 2nd of the 17a of the portion of holding up, 18a with mutual coincidence on the other end of safeguard protection element 16 and the circuit board 5; be welded to connect the 17a of the portion of holding up, the 18a of carriage 17,18 by the operation hole of offering on the end housing 6 19, so can be by connecting carriage 17,18 by welding production efficiency highland connecting circuit plate 5 and safeguard protection element 16.In addition, also safeguard protection element 16 can be set and pass through to connect carriage connection electrode terminal 4 and circuit board 5.
And, owing to be installed in external connection terminals 7 on the end housing 6 for to plug the terminal that connects or cut off by splicing ear to connecting object, therefore battery pack 10 is accommodated in the portable electric appts that is provided with in the cell arrangement space wanting, even be given a shock or impacting the power supply that also can realize high reliability under such service condition and supply with, even and this external connection terminals 7 also can be easily and compact conformation be installed on the end housing 6.
In addition, though present embodiment is described is that screw 12 only can play end housing 6 is fixed on effect on the battery 1 integratedly, can not play the example of the effect of the battery container 2 that is electrically connected battery 1 and circuit board 5, but the head 12a of screw 12 is contacted with the electrode of circuit board 5, perhaps be electrically connected simultaneously with the part of welded header 12a such as laser beam irradiation as required.If so, then can omit the 1st and connect carriage 13 and connecting plate 14, further simplified structure.
(embodiment 2)
The following describes the 2nd embodiment of the present invention.In addition, the identical Reference numeral of inscape interpolation for common with above-mentioned the 1st embodiment omits its explanation, mainly only describes with regard to its difference.
The 1st embodiment describes is to be screwed in the end face 3 of battery container 2 the fixing all-in-one-piece example of battery container 2 and end housing 6 by the top with screw 12, and present embodiment image pattern 9～as shown in Figure 10 is combined at the head 22a in conjunction with pin 22 that makes the band head on the two ends of an end face 3 that under the state on the step 11a of installing hole 11 at end housing 6 two ends its top is welded to battery container 2, is fixed into one thus.Can use methods such as spot welding, arc-welding, laser welding as welding method, but the spot welding of preferred inexpensive and good work.
Present embodiment and different be of the 1st embodiment in assembling procedure, in the 1st embodiment, screwdriver (instrument) is inserted in the installing hole 11 at housing 6 two ends, end, screw 12 limits are pushed on the limit makes its rotation that the top of screw 12 is screwed among the circular depressions 3a that forms on the end face 3 of battery 1, by like this end housing 6 and battery 1 being fixed into one, and in the present embodiment, like that welding electrode is inserted in the installing hole 11 at end housing 6 two ends shown in the arrow a of image pattern 6, connect with the head 22a that combines pin 22, thereby push and flow through on the end face 3 that welding current will be welded on battery 1 in conjunction with the top of pin 22, be integrally coupled on the battery 1 in conjunction with the two ends of pin 22 end housing 6 by this.In addition, other operation is identical with the 1st embodiment, insert welding electrode from the both sides in the operation hole 19 that end housing 6 forms shown in arrow b, when pushing, flow through welding current, be welded to connect the 17a of the portion of holding up, the 18a (with reference to Fig. 3 B) of carriage 17,18, operation opening 6a from end housing 6 shown in arrow c inserts a pair of welding electrode, the 13a of the portion of holding up that is connected carriage 13 with the 1st connects, when pushing, flow through welding current, weld the 1st and connect carriage 13 and connecting plate 14 (with reference to Fig. 3 A).
If adopt the battery pack 10 of above-mentioned present embodiment, owing to just battery 1 and 6 combinations of end housing can be fixed into one by this simple operation on the end face 3 that will be welded on battery 1, therefore can realize all high battery pack of reliability and production efficiency 10 in conjunction with the top of pin 22.
In addition, though present embodiment is described is only can play in conjunction with pin 22 end housing 6 is fixed on effect on the battery 1 integratedly, can not play the example of the effect of the battery container 2 that is electrically connected battery 1 and circuit board 5, be electrically connected simultaneously but also the head 22a in conjunction with pin 22 can be welded on the electrode of circuit board 5, if so, then can omit the 1st and connect carriage 13 and connecting plate 14, further simplified structure.
(embodiment 3)
The following describes the 3rd embodiment of battery pack of the present invention.In addition, the identical Reference numeral of inscape interpolation for common with above-mentioned the 2nd embodiment omits its explanation, mainly only describes with regard to its difference.
What the 2nd embodiment described is will be in conjunction with the example of the direct resistance welded in the top of pin 22 on an end face 3 of battery container 2, but the end face 3 at for example battery container 2 is made of aluminum or aluminum alloy, though it is very little but use in order to ensure enough intensity under the situation of the part that the ferrous materials such as iron and steel of stainless steel or nickel plating constitute in conjunction with pin 22, if directly resistance welded they, might be difficult to guarantee to have necessary constant intensity and high reliability.In order to solve such problem, an end face 3 of battery container 2 adopts similar material at the position on the top of secure bond pin 22 at least in the present embodiment.
Present embodiment as shown in figure 11, the position screw thread on the top of the secure bond pin 22 on an end face 3 of battery container 2 be fixed with by with in conjunction with the similar material of pin 22---be the screw 31 that stainless steel or the ferrous materials that plated nickel form, will be in conjunction with the top resistance welded of pin 22 upper end at the head 31a of this screw 31.
Be specially, the hush panel that constitutes an end face 3 of battery container 2 constitutes with aluminum or aluminum alloy, and makes its wall ratio thicker, for example is about 0.8～1.5mm.When punch forming constitutes the hush panel of an end face 3 of this battery container 2 in advance at one end the two ends of face 3 form the circular depressions 32 that when forming internal thread, is screwed into screw 31 usefulness such shown in Figure 12 A as hole under the screw, tighten screw 31 then shown in the image pattern 12B like that and be fixed on the end face 3 and become one, by like this with the upper surface of its head 31a as solder side in conjunction with the lower end of pin 22.
As screw 31, for example using under the situation of major diameter of thread as the metric system fine thread of 1.2mm, for the screw thread tooth depth is 0.13mm, pitch is 0.25mm, by the internal diameter that makes circular depressions 32 is 0.9mm, the degree of depth is 1.4mm, and the threads that screw 31 is screwed in the circular depressions 32 are about 4 teeth, though at one end face 3 use also can obtain under the situation of aluminum or aluminum alloy and screw 31 between the constant intensity of the axial necessity of screw.
In addition, the concrete example of above-mentioned screw 31 is an example, is 1.0～2.0mm as the screw 31 preferred major diameter of threads of general use, pitch is the fine thread series screw of 0.2～0.4mm, corresponding, it is 0.6～1.7mm that circular depressions 32 is set at internal diameter, and the degree of depth is about 0.8～1.6mm.
If adopt above-mentioned present embodiment, since an end face 3 of battery container 2 be fixed with at the position on the top of secure bond pin 22 at least material with in conjunction with the identical screw 31 of pin 22, resistance welded is on the upper surface of this head 31a, therefore become fixing between the identical material, guarantee to have enough intensity and the high stationary state of reliability easily, and only need append screw 31 screw threads are fixed on so simple operation on the end face 3 of battery 1, therefore can implement more simply.
In addition, though present embodiment is described is only can play in conjunction with pin 22 end housing 6 is fixed on effect on the battery 1 integratedly, can not play the example of the effect of the battery container 2 that is electrically connected battery 1 and circuit board 5, be electrically connected simultaneously but also the head 22a in conjunction with pin 22 can be welded on the electrode of circuit board 5, if so, then can omit the 1st and connect carriage 13 and connecting plate 14, further simplified structure.
(embodiment 4)
The following describes the 4th embodiment of battery pack of the present invention.In addition, the identical Reference numeral of inscape interpolation for common with above-mentioned the 1st to the 3rd embodiment omits its explanation, mainly only describes with regard to its difference.
In the present embodiment, use among screw the 12, the 2nd embodiment that replaces among the 1st embodiment in conjunction with pin 42 shown in Figure 13 A～14B in conjunction with the screw 31 among pin the 22, the 3rd embodiment with in conjunction with the combination of pin 22.Promptly, near the installing hole 11 that step 11a and up/down perforation are arranged the two ends of end housing 6 are provided with the lower end, make be inserted in this installing hole 11 in conjunction with by spot welding (resistance welded) its top ends being fixed to the two ends of an end face 3 of battery container 2 under the head 42a of pin 42 and the state that step 11a combines, thus battery 1 and end housing 6 are fixed into one.
Below mainly this details in conjunction with the spot-welding part on the top of pin 42 is described with reference to Figure 14 B and Figure 15 A～15B.Battery container 2 comprises that an end face 3 usefulness aluminum or aluminum alloy constitute, and make the wall ratio of an end face 3 thicker, for example be about 0.8～1.5mm, forming the internal diameter of representing in detail as Figure 15 A at the two ends of this end face 3 with punch forming is 0.6～1.7mm, the circular port 3a about dark 0.8～1.6mm.In addition, if hole 3a is also not necessarily circular, also can be square.
Use the surface to implement ferrous materials such as the steel of nickel plating or stainless steel in conjunction with pin 42, even also can obtain enough intensity very for a short time, therefore more satisfactory, as Figure 15 A represents in detail, prominently on its top establish the jut 42b chimeric with hole 3a, and at the recessed recess 42c that is formed with of the root of this jut 42b side face.In conjunction with the preferred 1.0～2.0mm of the diameter of axle of pin 42, jut 42b is preferably corresponding with hole 3a, about 1/3～1/2 of the preferred hole of the width 3a degree of depth of recess 42c axial direction, and the diametric degree of depth is about 1/5～1/3 of a hole 3a internal diameter.And, the shape of recess 42c and quantity can be from following different shape be selected arbitrarily: such 2～4 local shapes that form rectangular openings at circumferencial direction shown in Figure 16 A, such shape that forms the breach of crescent shape from the both sides of jut 42b shown in Figure 16 B, form the ring-shaped continuous groove like that shown in Figure 16 C along the whole circumference direction, the perhaps square groove during such rectangular protrusions portion shown in Figure 16 D, the outside that recess 42c is formed on jut 42b that Figure 16 E is such, by for example wide 1～2mm, the annular knurl groove of dark 1～2mm formation etc.
Shown in Figure 15 A, under the state among the hole 3a that on an end face 3 that will be embedded into battery container 2, forms in conjunction with the jut 42b of pin 42, if welding electrode is connected with the head 42a that combines pin 42 at end housing 6 two ends, between a end face 3, flow through the words of welding current in conjunction with pin 42 and battery container 2, then the contact-making surface in conjunction with an end face 3 of the top of pin 42 and battery container 2 is heated, one end face, 3 fusings of the battery container 2 that the melt temperature that is made of aluminum or aluminum alloy is low, both welding, motlten metal flows into like that shown in Figure 15 B/is filled in the recess 42c of jut 42b simultaneously, the tailor-made usefulness of weighing anchor, in conjunction with an end face 3 of the top of pin 42 and battery container 2 in any one direction all by strong bonded.
In addition, though being the surrounding edge of hole 3a of an end face 3 of battery container 2 and other parts, the embodiment shown in Figure 15 A～15B is example with the plane of one side, if when the 3a of punch forming hole, give prominence to formation jut 3b like that at the surrounding edge of hole 3a but adopt shown in the image pattern 17A, make the words of the structure that connects in conjunction with end face and this jut 3b around the jut 42b of pin 42, because welding current concentrates in this jut 3b and flows during spot welding, make fusion become easy, melt metal flows like that swimmingly shown in Figure 17 B and is filled in the recess 42c, therefore can positively obtain anchoring effect.
In the present embodiment, in order to make battery 1 fixing with end housing 6, shown in the arrow a among Fig. 6, like that the welding electrode of spot welding machine is inserted in the installing hole 11 at housing 6 two ends, end and connect with the head 42a that combines pin 42, when pushing, flow through welding current, to be welded in conjunction with the top of pin 42 on the end face 3 of battery 1, be fixed on integratedly on the battery 1 in conjunction with the two ends of pin 42 end housing 6 by this.After this operation is identical with other embodiment, shown in arrow b, insert welding electrode from the both sides in the operation hole 19 that end housing 6 forms like that, when pushing, flow through welding current, be welded to connect the 17a of the portion of holding up, the 18a (with reference to Fig. 3 B) of carriage 17,18, inserting a pair of welding electrode is connected carriage 13 with the 1st the 13a of the portion of holding up from the operation opening 6a of end housing 6 shown in arrow c connects, when pushing, allow welding current flow through, weld the 1st and connect carriage 13 and connecting plate 14 (with reference to Fig. 3 A).
If adopt the battery pack 10 of present embodiment, because it is fixing just battery 1 and end housing 6 can be combined into one by this simple operation on the end face 3 that will spot weld battery 1 in conjunction with the top of pin 42, so can realize all high battery pack of reliability and production efficiency 10.And, owing to enter under the state that plays fixed effect in the recess 42c that forms on the periphery of the jut 42b that combines pin 42 tops at the parts of an end face 3 of formation battery 1 in conjunction with an end face 3 of the top of pin 42 and battery 1 and to fix, therefore fixed effect not only has big endurance in the direction (shearing the direction in conjunction with pin 42) parallel with an end face 3 of battery 1, and can have big endurance in the direction (stretching) that makes end housing 6 leave battery 1 in conjunction with the direction of pin 42, can guarantee high constant intensity to all direction external force.
In addition, though present embodiment is described is only can play in conjunction with pin 42 end housing 6 is fixed on effect on the battery 1 integratedly, can not play the example of the effect of the battery container 2 that is electrically connected battery 1 and circuit board 5, but the head 42a in conjunction with pin 42 is contacted with the electrode of circuit board 5, perhaps be electrically connected according to the part of necessity with welded header 42a such as laser beam irradiations.If so, then can omit the 1st and connect carriage 13 and connecting plate 14, further simplified structure.
Commercial Application
As mentioned above, battery pack of the present invention is because employing is fixed on one of battery with the end housing Therefore the structure of end not only can make compact conformation, and can be to directive external force Have under the state of high endurance and be fixed into one, can shorten the electricity in battery and the end housing Access path between road plate and the external connection terminals, thus contact resistance can be reduced. And, Because battery and end housing fixedly is to be fixed in the following manner one: with the top of screw End is screwed in the end face of battery, perhaps is welded to an end face of battery in connection with the top of pin Upper or the top of screw is screwed in the end face of battery again head welding knot at this screw Dowel pin nail perhaps is welded to battery in connection with the top of pin under the state that plays the grappling effect Be fixed into thus one on one end face, therefore just can be with battery and end shell with simple operation Body is in conjunction with being fixed into one, can realize all high battery pack of reliability and production efficiency, for The compact battery group of the usefulness such as portable electric appts is useful.
Claims (11)
1. battery pack; it is characterized in that; possesses battery (1), have charge-discharge protection circuit and is configured in circuit board (5) on the end face (3) of battery, be equipped with the end housing (6) of external connection terminals (7); circuit board (5) is accommodated the inside that is configured to end housing (6), head (12a) is combined in the two ends of end housing (6) and the top of the screw (12) that runs through be screwed into battery (1) an end face (3) two ends and fix.
2. battery pack as claimed in claim 1; it is characterized in that; the battery container (2) of battery (1) is the electrode terminal of a polarity; have the polarity electrode terminal (4) different on one end face (3) with battery container (2); one end (16a) of safeguard protection element (16) is connected with the electrode terminal (4) of an end face (3) of battery (1), and the other end (16b) of safeguard protection element (16) is connected with circuit board (5).
3. battery pack; it is characterized in that; possesses battery (1), have charge-discharge protection circuit and is configured in circuit board (5) on the end face (3) of battery, be equipped with the end housing (6) of external connection terminals (7); circuit board (5) is accommodated the inside that is configured to end housing (6), head (22a) is combined in the two ends of end housing (6) and the top in conjunction with pin (22) of taking the lead run through is fixed on the two ends of an end face (3) of battery (1).
4. battery pack as claimed in claim 3 is characterized in that, an end face (3) of battery (1) is provided with at the position on secure bond pin top and parts in conjunction with the similar material of pin (22) at least.
5. battery pack as claimed in claim 4 is characterized in that, by being fixed on the position relative with combining the pin top on the end face (3) of battery (1) with screw (31) screw thread that constitutes in conjunction with the similar material of pin (22).
6. battery pack as claimed in claim 3; it is characterized in that; the battery container (2) of battery (1) is the electrode terminal of a polarity; have the polarity electrode terminal (4) different on one end face (3) with battery container (2); one end (16a) of safeguard protection element (16) is connected with the electrode terminal (4) of an end face (3) of battery (1), and the other end (16b) of safeguard protection element (16) is connected with circuit board (5).
7. battery pack; it is characterized in that; possess: battery (1), have charge-discharge protection circuit and be configured in circuit board (5) on the end face (3) of battery, the end housing (6) of external connection terminals (7) is installed; circuit board (5) is accommodated the inside that is configured to end housing (6); under the state in the recess (42c) that on the parts of an end face (3) that will form battery enter periphery in conjunction with the top of pin (42), forms, fixing head (42a) be combined in end housing (6) go up and run through in conjunction with the top of pin (42) and an end face (3) of battery.
8. battery pack as claimed in claim 7, the jut (42b) that side face has recess (42c) is set on the top in conjunction with pin (42), go up the hole (3a) of the jut (42b) that forms chimeric top in conjunction with pin at the end face (3) of battery, above-mentioned jut (42b) is embedded in the above-mentioned hole (3a), and resistance welded is in conjunction with the top of pin and an end face (3) of battery.
9. battery pack as claimed in claim 7; the battery container (2) of battery (1) is the electrode terminal of a polarity; have the polarity electrode terminal (4) different on one end face (3) with battery container (2); one end (16a) of safeguard protection element (16) is connected with the electrode terminal (4) of an end face (3) of battery (1), and the other end (16b) of safeguard protection element (16) is connected with circuit board (5).
10. as claim 1,3, the described battery pack of in 7 each, the battery container (2) of battery (1) is the electrode terminal of a polarity, have the polarity electrode terminal (4) different on one end face (3) with battery container (2), be fixed with on one end face (3) of battery (1) have the portion of holding up (13a) the 1st connect carriage (13), dispose the connecting plate (14) that the portion of holding up (13a) overlaps and a part links to each other with circuit board (5) that is connected carriage (13) with the 1st in the inboard of a sidewall of end housing (6), the operation opening (6a) by part formation relative with the portion of holding up (13a) on a sidewall of end housing (6) welds holds up portion (13a) and connecting plate (14).
11. as each the described battery pack in the claim 2,6,9; be fixed with the 2nd on the other end (16b) of safeguard protection element (16) and connect carriage (17); be fixed with the 3rd on the circuit board (5) and connect carriage (18); the 2nd is connected the portion of holding up (17a, 18a) that carriage (17,18) has mutual coincidence respectively with the 3rd, operation hole (19) welding by end housing (6) upper shed the 2nd is connected the portion of holding up (17a, 18a) of carriage (17,18) with the 3rd.
12. as each the described battery pack in the claim 1,3,7, the external connection terminals (7) that is installed on the end housing (6) connects/disconnects by the splicing ear that plugs connecting object.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004312581A JP4778699B2 (en) | 2004-10-27 | 2004-10-27 | Battery pack |
| JP312581/2004 | 2004-10-27 | ||
| JP349449/2004 | 2004-12-02 | ||
| JP052580/2005 | 2005-02-28 | ||
| JP052580/2004 | 2005-02-28 | ||
| JP061775/2005 | 2005-03-07 | ||
| JP061775/2004 | 2005-03-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1914749A CN1914749A (en) | 2007-02-14 |
| CN100492717C true CN100492717C (en) | 2009-05-27 |
Family
ID=36722366
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005800039814A Active CN100492717C (en) | 2004-10-27 | 2005-08-03 | Battery pack |
| CNU2005201290154U Expired - Lifetime CN2831447Y (en) | 2004-10-27 | 2005-10-27 | Battery pack |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201290154U Expired - Lifetime CN2831447Y (en) | 2004-10-27 | 2005-10-27 | Battery pack |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4778699B2 (en) |
| CN (2) | CN100492717C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659316A (en) * | 2013-11-18 | 2015-05-27 | 本田技研工业株式会社 | Electricity storage module and electricity storage cell |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100889624B1 (en) * | 2007-05-25 | 2009-03-20 | 삼성에스디아이 주식회사 | Battery pack |
| JP5344446B2 (en) * | 2007-09-14 | 2013-11-20 | 日立マクセル株式会社 | Battery pack |
| JP5216962B2 (en) * | 2007-09-27 | 2013-06-19 | 日立マクセル株式会社 | Battery pack |
| KR100928120B1 (en) * | 2007-11-07 | 2009-11-24 | 삼성에스디아이 주식회사 | Secondary battery |
| KR100959870B1 (en) * | 2007-12-13 | 2010-05-27 | 삼성에스디아이 주식회사 | Protection circuit assembly and battery pack using the same |
| KR100947972B1 (en) * | 2007-12-14 | 2010-03-15 | 삼성에스디아이 주식회사 | Battery pack |
| KR100947973B1 (en) * | 2008-01-14 | 2010-03-15 | 삼성에스디아이 주식회사 | Battery pack |
| KR101040975B1 (en) * | 2009-02-26 | 2011-06-16 | 주식회사 엘지화학 | Secondary Battery Pack of Novel Structure |
| CN101877416B (en) * | 2009-04-29 | 2012-10-17 | 比亚迪股份有限公司 | Battery |
| KR101432224B1 (en) * | 2012-02-07 | 2014-08-26 | 주식회사 엘지화학 | Secondary Battery Pack of Embedded Type of Novel Structure |
| KR101397027B1 (en) * | 2012-09-11 | 2014-06-27 | 삼성에스디아이 주식회사 | Battery pack |
| US20140178717A1 (en) * | 2012-12-26 | 2014-06-26 | Samsung Sdi Co., Ltd. | Battery pack |
| KR101724008B1 (en) * | 2015-04-07 | 2017-04-06 | 삼성에스디아이 주식회사 | Rechargeable battery |
| AU2018382225A1 (en) * | 2017-12-15 | 2020-07-30 | Kevin Stephen Davies | Battery pack |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4812926B2 (en) * | 2000-08-02 | 2011-11-09 | パナソニック株式会社 | Battery pack |
| JP3653475B2 (en) * | 2001-03-29 | 2005-05-25 | 三洋電機株式会社 | Pack battery |
| JP4601870B2 (en) * | 2001-07-10 | 2010-12-22 | 三洋ジーエスソフトエナジー株式会社 | Battery pack |
| JP3825738B2 (en) * | 2002-10-31 | 2006-09-27 | 三洋電機株式会社 | Pack battery and manufacturing method thereof |
| JP4837296B2 (en) * | 2004-10-27 | 2011-12-14 | パナソニック株式会社 | Battery pack |
-
2004
- 2004-10-27 JP JP2004312581A patent/JP4778699B2/en not_active Expired - Fee Related
-
2005
- 2005-08-03 CN CNB2005800039814A patent/CN100492717C/en active Active
- 2005-10-27 CN CNU2005201290154U patent/CN2831447Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104659316A (en) * | 2013-11-18 | 2015-05-27 | 本田技研工业株式会社 | Electricity storage module and electricity storage cell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN2831447Y (en) | 2006-10-25 |
| CN1914749A (en) | 2007-02-14 |
| JP2006127846A (en) | 2006-05-18 |
| JP4778699B2 (en) | 2011-09-21 |
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| C06 | Publication | ||
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| CI01 | Correction of invention patent gazette |
Correction item: [30] priority, [31] third, fourth Correct: [31]052580/2005 [31]061775/2005 False: [31]052580/2004 [31]061775/2004 Number: 7 Page: 904 Volume: 23 |
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| CI02 | Correction of invention patent application |
Correction item: [30] priority, [31] third, fourth Correct: [31]052580/2005 [31]061775/2005 False: [31]052580/2004 [31]061775/2004 Number: 7 Page: The title page Volume: 23 |
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Free format text: CORRECT: [30]PRIORITY ^[31] ITEM NO. 3,4; FROM: [31]052580/2004^[31]061775/2004 TO: [31]052580/2005^[31]061775/2005 |
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Free format text: CORRECT: [30]PRIORITY ^[31] ITEM NO. 3,4; FROM: [31]052580/2004^[31]061775/2004 TO: [31]052580/2005^[31]061775/2005 |
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Assignee: Panasonic Energy (Wuxi) Co.,Ltd. Assignor: Matsushita Electric Industrial Co., Ltd. Contract record no.: 2012990000093 Denomination of invention: Offshore floating vegetable field farmland with rain collecting pool and photovoltaic battery pack for power generation Granted publication date: 20090527 License type: Common License Open date: 20070214 Record date: 20120309 |