CN201887088U - Low-voltage injection molding aluminium-case battery - Google Patents
Low-voltage injection molding aluminium-case battery Download PDFInfo
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- CN201887088U CN201887088U CN2010205968321U CN201020596832U CN201887088U CN 201887088 U CN201887088 U CN 201887088U CN 2010205968321 U CN2010205968321 U CN 2010205968321U CN 201020596832 U CN201020596832 U CN 201020596832U CN 201887088 U CN201887088 U CN 201887088U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
A low-voltage injection molding aluminium-case battery comprises a head part support (1), a protection circuit board (2), a glue cushion block (3), a positive pole nickel strap (4), a bottom support (5), an aluminium-case cell (6) and a negative pole nickel strap (7), wherein the positive pole nickel strap (4) and the negative pole nickel strap (7) of the aluminium-case cell (6) are respectively connected with the positive and the negative poles of the protection circuit board (2), the protection circuit board (2) is positioned in the head part support (1), low-voltage injection molding colloid is filled in a clearance between the protection circuit board (2) and the aluminium-case cell (6), and the bottom of the aluminium-case cell (6) is adhered with the bottom support (5) through glue. The utility model can ensure the final size of a battery product to meet the requirement, an intermediate support is eliminated, and the cost is saved. In addition, various measures are adopted to prevent the low pressure injection molding glue from entering an external terminal block opening, so the product quality is ensured.
Description
Technical field
The utility model relates to a kind of low-pressure injection molding aluminum-shell battery.
Background technology
The packaging technology of aluminum hull electricity core is ripe already, multiple different method for packing all is applied on the various battery structure, but because the most employing of the combination of the aluminum hull of existing electric core and terminal cover plate is that Laser Welding is sealed, this technology can not control to the scope of finished product battery requirements to the length dimension of electric core, the battery of normal design, the tolerance of size is ± 0.1mm, tolerance that can electric core is but about ± 0.2, even it is bigger, performance on state's electrogenesis core more so, clearly, the tolerance of part has surpassed the tolerance of finished product, be all can't accept in theory or in the practical operation, need respectively encapsulate enterprise and adopt various counter-measures to solve this problem.As; the structure that a kind of general aluminum-shell battery is arranged now; as shown in Figure 1; the structure of this aluminum-shell battery comprises following parts; holder,head 100, protection circuit plate 200, intermediate support 300, anodal nickel strap 400, bottom bracket 500, aluminum hull electricity core 600, negative pole nickel strap 700; anodal nickel strap 400 on the aluminum hull electricity core 600 and negative pole nickel strap 700 pass intermediate support 300 and weld with protection circuit plate 200 positive and negative electrodes respectively; described holder,head 100 is fixed on the described protection circuit plate 200, and bottom bracket 500 is positioned at aluminum hull electricity core 600 bottoms.
The aluminum-shell battery of this structure; because battery is in the restriction of width; on Width, can't design working of plastics and wrap up electric core; the entire cell structure can't design whole glue frame and guarantee finished size; getting only design elements assembles respectively; holder,head 100; protection circuit plate 200; nickel strap 400; the connection of 700 circuit elements such as grade is fixing and supporting by intermediate support 300 mainly; because previously described aluminum hull electricity core 600 is very big in the tolerance of length direction; can't reach the requirement of finished size tolerance; partly encapsulate enterprise adopt will with holder,head 100; protection circuit plate 200; the electric core of intermediate support 300 is measured classification; the form of joining the bottom bracket 500 of different size again satisfies the dimensional requirement of aluminum-shell battery length direction; like this to the control of production process; very big difficulty has all been brought in the aspect such as get the raw materials ready of unnecessary loss in man-hour and material; and owing to need the accurately tolerance of each part of control, wherein any one part tolerance has bigger than normally slightly, and it is bad all can to influence size.
In order to strengthen the intensity of mechanical performances such as falling of aluminum-shell battery; part enterprise can be at holder,head 100; protection circuit plate 200; adopt low-pressure injection molding technology in the gap between intermediate support 300 and the aluminum hull electricity core 600; injection moulding low-pressure injection molding glue; in the hope of better by battery industry current measuring mechanical property such as fall; there is no the more effective characteristics that make full use of this technology; in our understanding and actual enforcement; the benefit of low-pressure injection molding not only can be embodied in gives battery better mechanical performance; better insulation property, the effective method of size Control especially.In addition, existing aluminum-shell battery appears at external connection terminals window 110 places easily and the glue that overflows occurs in the process of low-pressure injection molding, and this is definitely unallowable.
The utility model content
The purpose of this utility model is the characteristics that make full use of low-pressure injection molding, the size of length direction of the aluminum-shell battery of each cell package enterprise of puzzlement can't problem once up to standard be solved, but provide the just size low-pressure injection molding aluminum-shell battery up to standard of length direction of a kind of one-shot forming to society.
Another purpose of the present utility model is to prevent the externally problem of the excessive glue of splicing ear window place appearance effectively.
The technical solution of the utility model is: a kind of low-pressure injection molding aluminum-shell battery is provided; comprise holder,head, protection circuit plate, sizing material cushion block, anodal nickel strap, bottom bracket, aluminum hull electricity core, negative pole nickel strap; the anodal nickel strap of described aluminum hull electricity core is connected respectively with the positive and negative electrode of negative pole nickel strap with the protection circuit plate; described protection circuit plate is positioned at holder,head; be full of the low-pressure injection molding colloid in the gap between described protection circuit plate and described aluminum hull electricity core, on described aluminum hull electricity core bottom surface, bottom bracket arranged with the sticking card of viscose glue.
In the utility model, described low-pressure injection molding colloid is made with following method, electric core semi-finished product are placed in the mould, between half-finished protection circuit plate of electric core and aluminum hull electricity core upper side, add the sizing material cushion block, the material of described sizing material cushion block is consistent with the material of low-pressure injection molding sizing material, and described sizing material cushion block is just to be injection molding to finish, and also not cooling fully has necessarily inotropic; The length dimension of sizing material cushion block deducts the thickness of holder,head more than or equal to the design length size of battery finished product; deduct the thickness of protection circuit plate; deduct the minimum length of aluminum hull electricity core; deduct the thickness of adhesive-layer of bottom bracket and aluminum hull electricity core and the thickness of bottom bracket; after the matched moulds, the remaining space that forms between the upper side of holder,head and aluminum hull electricity core is full of with low compression moulding mode and forms.
In the utility model, be provided with two reference columns on the inner bottom surface of described holder,head, be provided with two location holes on described protection circuit plate, described reference column is inserted in the described location hole.
In the utility model; on the mating surface of described holder,head and protection circuit plate; the external connection terminals window left and right sides of holder,head has high 0.1-0.2mm respectively; allow head support and protection circuit plate form line and contact, prevent that the low-pressure injection molding sizing material from entering in the holder,head external connection terminals window with face.
In the utility model; gold-plated terminal size design of the paster of protection circuit plate and external connection terminals window are matched; during injection moulding, the gold-plated terminal of described paster just in time stretches in the external connection terminals window, prevents that the low-pressure injection molding sizing material from entering in the external connection terminals window.
The utility model can be made with the following method.First method comprises the steps,
(1), electric core semi-finished product making step
(11), with the positive and negative electrode of protection circuit plate respectively with aluminum hull electricity core on anodal nickel strap and the welding of negative pole nickel strap;
(12), the protection circuit plate is provided with within the holder,head,
(13), on described aluminum hull electricity core downside with the bonding bottom bracket of adhesive, be made into electric core semi-finished product;
(2), low-pressure injection molding electricity core step
(21), electric core semi-finished product are placed in the mould, between half-finished protection circuit plate of electric core and aluminum hull electricity core upper side, add the sizing material cushion block, the material of described sizing material cushion block is consistent with the material of low-pressure injection molding sizing material, and described sizing material cushion block is just to be injection molding to finish, also fully the cooling, have certain shrinkage before; The length dimension of sizing material cushion block deducts the thickness of holder,head more than or equal to the design length size of battery finished product, deduct the thickness of protection circuit plate, deduct the minimum length of aluminum hull electricity core, deduct the thickness of adhesive-layer of bottom bracket and aluminum hull electricity core and the thickness of bottom bracket, after the matched moulds, described sizing material cushion block withstands on the protection circuit plate on the holder,head tightly;
(22), the remaining space that forms between the upper side of holder,head and aluminum hull electricity core is filled full with the low pressure plastic cement.
The utility model also comprises the making step of sizing material cushion block, on the sprue of lower bolster, offer runner, end at runner is offered rectangular recess, the consistent size of the size of rectangular recess and sizing material cushion block, when the low-pressure injection molding sizing material is flowing into die cavity by sprue and is being filled with battery, also be filled with rectangular recess, form the sizing material cushion block by runner.
In the utility model; on the mating surface of holder,head and protection circuit plate; the external connection terminals window left and right sides of holder,head is respectively equipped with the step of high 0.1-0.2mm; allow head support and protection circuit plate form contacting of line and face, prevent that the low-pressure injection molding sizing material from entering in the external connection terminals window.
In the utility model, on the row position of lower mould plate, external connection terminals the window's position corresponding to holder,head, the boss that design equates with the window number, the size of boss and external connection terminals window match, and behind the matched moulds, described boss just in time stretches in the external connection terminals window, prevent that the low-pressure injection molding sizing material from entering in the external connection terminals window, the material of described boss is to adopt nonmetal insulator to make.
In the utility model; gold-plated terminal size design of the paster of protection circuit plate and external connection terminals window are matched; during injection moulding, the gold-plated terminal of described paster just in time stretches in the external connection terminals window, prevents that the low-pressure injection molding sizing material from entering in the external connection terminals window.
Low-pressure injection molding colloid in the utility model is the adding sizing material cushion block that is used between half-finished protection circuit plate of electric core and the aluminum hull electricity core upper side, the material of described sizing material cushion block is consistent with the material of low-pressure injection molding, and described sizing material cushion block is just to be injection molding to finish, also cooling fully has certain inotropic; The length dimension of sizing material cushion block deducts the thickness of holder,head more than or equal to the length dimension of battery finished product, deducts the thickness of protection circuit plate, deducts the minimum length of aluminum hull electricity core, deducts the thickness of adhesive-layer of bottom bracket and electric core and the thickness of bottom bracket; The width dimensions of sizing material cushion block is smaller or equal to the width of holder,head inner chamber; after the matched moulds; described sizing material cushion block withstands on the protection circuit plate on the holder,head tightly; like this, when injection moulding, the sizing material cushion block melts to be made in the plastic cement of being annotated; like this; the utility model just can guarantee that the final size of battery product is disposable and close the symbol requirement, and saved intermediate support, provides cost savings.In addition, take multiple measure, prevent that the low-pressure injection molding sizing material from entering in the external connection terminals window, guarantees product quality.
Description of drawings
Fig. 1 is the product structure decomposing schematic representation of existing aluminum-shell battery.
Fig. 2 is the product structure decomposing schematic representation of aluminum-shell battery of the present utility model.
Fig. 3 is the structural representation at another visual angle of the protection circuit plate among Fig. 2.
Fig. 4 is the structural representation that the counterdie runner distributes and the sizing material cushion block is shaped.
Fig. 5 is holder,head and protection circuit plate assembling and positioning schematic diagram.
Fig. 6 is that the mould boss stretches into holder,head external connection terminals window cross-sectional view.
Fig. 7 is gold-plated terminal of embodiment two baffles and holder,head assembling part section structure for amplifying schematic diagram.
Embodiment
Embodiment one:
As shown in Figures 2 and 3; a kind of low-pressure injection molding aluminum-shell battery that the utility model provides; comprise holder,head 1; protection circuit plate 2; sizing material cushion block 3; anodal nickel strap 4; bottom bracket 5; aluminum hull electricity core 6; negative pole nickel strap 7; the aluminium nickel composite band 9 of described aluminum hull electricity core 6 is connected with the positive pole 10 of protection circuit plate 2 by anodal nickel strap 4; the negative terminal 8 of described aluminum hull electricity core 6 is connected with the negative pole 11 of protection circuit plate 2 by negative pole nickel strap 7; described protection circuit plate 2 is positioned at holder,head 1; be full of the low-pressure injection molding colloid in the gap between described protection circuit plate 2 and described aluminum hull electricity core 6, on described aluminum hull electricity core 6 bottom surfaces, bottom bracket 5 arranged with the sticking card of viscose glue.Described viscose glue is an epoxide-resin glue.
Described low-pressure injection molding colloid is made with following method, electric core semi-finished product are placed in the mould, between half-finished protection circuit plate 2 of electric core and aluminum hull electricity core 6 upper sides, add sizing material cushion block 3, the material of described sizing material cushion block 3 is consistent with the material of low-pressure injection molding sizing material, and described sizing material cushion block 3 is just to be injection molding to finish, also not cooling fully has necessarily inotropic; The length dimension of sizing material cushion block 3 deducts the thickness of holder,head 1 more than or equal to the design length size of battery finished product; deduct the thickness of protection circuit plate 2; deduct the minimum length of aluminum hull electricity core 6; deduct bottom bracket 5 and the thickness of the adhesive-layer of aluminum hull electricity core 6 and the thickness of bottom bracket 5; after the matched moulds, the remaining space that forms between the upper side of holder,head and aluminum hull electricity core is full of with low compression moulding mode and forms.
Be provided with two reference columns 16 on the inner bottom surface of described holder,head 1, be provided with two location holes 17 on described protection circuit plate 2, described reference column 16 is inserted in (see figure 5) in the described location hole 17.
On the mating surface of described holder,head 1 and protection circuit plate 2; external connection terminals window 21 left and right sides of holder,head 1 have high 0.1-0.2mm respectively; wide 1-2mm; allow 2 one-tenth lines of head support 1 and protection circuit plate shape contact, prevent that the low-pressure injection molding sizing material from entering in the holder,head external connection terminals window 21 with face.
Referring to Fig. 2 and Fig. 3, the utility model can be made with the following method equally.
Embodiment one
The battery structure of this implementation method comprises following parts, holder,head 1, protection circuit plate 2, sizing material cushion block 3, anodal nickel strap 4, bottom bracket 5, aluminum hull electricity core 6, negative pole nickel strap 7;
At first negative pole nickel strap 7 is welded on the negative terminal 8 of aluminum hull electricity core 6 by the spot welding machine point, anodal nickel strap 4 is welded on the aluminium nickel composite band 9 of electric core again.
Then anodal nickel strap 4 scolding tin or point are welded in (see figure 3) on the positive pole 10 of protection circuit plate 2, and with negative pole nickel strap 7 scolding tin or be welded on the negative pole 11 of protection circuit plate 2.
Anodal nickel strap 4 and negative pole nickel strap 7 are bent into 90 degree right angles by anchor clamps, protection circuit plate 2 is packed in the holder,head 1; Bottom bracket 5 is bonding with the bottom side of aluminum hull electricity core 6, make electric core semi-finished product;
Electric core semi-finished product are put into mould, pad gluing backing strap piece 3 between protection circuit plate 2 and aluminum hull electricity core 6.
This sizing material cushion block 3 be not other as rubber, sponge, highland barley paper etc. similarly electrical type fill auxiliary material, the characteristics of this sizing material cushion block 3 are that it is to be formed in injection moulding process by the low-pressure injection molding sizing material, concrete method for making aftermentioned.
Gap between the upper side of protection circuit plate 2 and aluminum hull electricity core 6 is filled full with the mode of low-pressure injection molding with the low pressure plastic cement.
As shown in Figure 4, two runners 14 of left and right sides Ge Kai on the sprue 13 of lower bolster 12, offer two rectangular recess 15 at the end of runner, the size of rectangular recess is consistent with sizing material cushion block 3, when the low-pressure injection molding sizing material also is filled with rectangular recess 15 by runner 14 when being filled with battery by sprue 13 inflow die cavities, form sizing material cushion block 3.
It should be noted that the size design of sizing material cushion block 3; because the length dimension tolerance of the aluminum hull that preamble is carried electricity core 6 is bigger; adopt rubber; electronics auxiliary material commonly used such as sponge is not fine to the control of size; the dimensional tolerance of these auxiliary materials is bigger first; major part all ± more than the 0.1mm; even if these materials do not have tolerance; aluminum hull electricity core 6 tolerances own also can't guarantee to produce to meet the requirements of finished product; if the thickness of sizing material cushion block 3 is not enough to support the space between protection circuit plate 2 and the aluminum hull electricity core 6; just having partly, the low-pressure injection molding sizing material flows into the space that forms between protection circuit plate 2 and the holder,head 1; if thickness is blocked up; will influence length dimension; still size is bad after causing injection moulding; therefore; the design of this gauge should be: the length of sizing material cushion block 3 equals or is slightly larger than the epoxy thickness between minimum length-bottom bracket 5 and the electric core 6 of aluminum hull of thickness-aluminum hull electricity core 6 of thickness-bottom bracket 5 of thickness-protection circuit plate 2 of the size-holder,head 1 of battery finished product, and the sizing material cushion block 3 that designs like this could fully play the effect of support.
When sizing material cushion block 3 after the low-pressure injection molding finished product is shaped; before carrying out injection moulding next time; sizing material cushion block 3 pads that last injection moulding is produced are in the space of next time protection circuit plate 2 and aluminum hull electricity core 6; because injection moulding is just finished; sizing material cushion block 3 is not cooling fully also; also has bigger shrinkage; when the size of electric core is grown partially; in the process of mould matched moulds; sizing material cushion block 3 can be compressed; protection circuit plate 2 is fixed on the holder,head 1 tightly; and because the size of sizing material cushion block 3 is by the minimum dimension design of aluminum hull electricity core 6; even aluminum hull electricity core 6 can not form the gap in minimum dimension between protection circuit plate 2 and the holder,head 1 yet, allow sizing material have the space to pass through.
As shown in Figure 5; behind the space of sizing material cushion block 3 being put into protection circuit plate 2 and aluminum hull electricity core 6; that the reference column 16 of holder,head 1 is aimed at protection circuit plates 2 decides position, hole 17 again, and such purpose is to be convenient to the location, after installing the semi-finished product battery is put into low-pressure injection molding mould injection molded.
In the process of injection molded; the excessive situation between protection circuit plate 2 and holder,head 1 of sizing material of low-pressure injection molding all can appear in the example of a lot of similar structures; most institutes example is that the accuracy of manufacture of requirement raising parts guarantees; or design draw-in groove; stick on too complicated structure such as double faced adhesive tape achieves the goal at protection circuit plate 2 and 1 of holder,head; like this, production cost can increase much virtually.
The characteristics of present embodiment are to consider; normal design protection circuit plate 2 contacts with aspectant fully with holder,head 1; if protection circuit plate 2 or holder,head 1 local location distortion appears; will influence whole contact; cause the gap between protection circuit plate 2 and the holder,head 1 to increase; therefore; the execution mode of present embodiment is at external connection terminals window 21 position of holder,head 1 left and right sides Ge Jia one high 0.1-0.2mm; step 18 about wide 1-2mm; allow 2 of protection circuit plates therewith step 18 do contacting of line and face; so just the space of good close and protect wiring board 2 of energy and holder,head 1 allows the low-pressure injection molding sizing material not overflow to (referring to Fig. 6) between the external connection terminals window of head support 1.
Perhaps; on the following line position of mould 19; external connection terminals window 21 positions with respect to holder,head 1; design boss 20; boss 20 is identical substantially with holder,head 1 external connection terminals window 21 sizes; its monolateral gap of 0.05 of staying at the most; the material of boss 20 and the material of mould are different; for preventing the generation of short circuit phenomenon; do not adopt the metal species material; but nonmetal insulators such as employing pottery; the low-pressure injection molding sizing material is having part to overflow between protection circuit plate 2 and holder,head 1 under the injection pressure even have partly, because the plastic cement rheid of molten condition commonly used can not pass through the following gap of 0.05mm, so; the low-pressure injection molding sizing material can emergingly not overflow to above the external connection terminals window 21, and obstruct mobile phone shell fragment is connected with the outside batteries splicing ear.
The method of above-mentioned two kinds of anti-overflow glue can be used separately, also can unite use.
Finish the length adjustment effect that incomplete as yet cooling stage has by making full use of sizing material cushion block 3 in injection moulding just, and by the effective control of mould to the finished product battery, with the size that needs each parts to control respectively before, the once control of passing through of turning parts into the whole is just solved, and under the assist control of the additional structure that prevents the excessive glue of sizing material, well solved the problem that the length dimension of always enduring puzzlement in the industry to the fullest extent exceeds standard easily, and need not to increase any cost, also do not need the complicated adjusting gimmick.Do not need simultaneously other auxiliary materials such as filled rubber, avoided these stock yards not merge mutually yet, problem such as peel off easily.
Embodiment two:
Embodiment two is the same with method and the operating process of embodiment one; for no other reason than that in the actual design process of battery of mobile phone; the formation form of protection circuit plate 2 golden fingers has two kinds; a kind of is the gold-plated formation golden finger on pcb board of embodiment one; a kind of is that embodiment two forms by the gold-plated terminal 22 of paster on PCB; both act on unanimity, just specifically apply to and have difference on the mobile phone.
As shown in Figure 7, in embodiment two, the following line potential head portion support external connection terminals position of mould is established three boss 20 no longer in addition, only need gold-plated terminal 22 designs of paster the same with boss, monolateral and external connection terminals window 21 gap design holder,head 1 are 0.05mm, the same problem that also reaches auxiliary solution sizing material flash.
Claims (6)
1. low-pressure injection molding aluminum-shell battery; it is characterized in that: comprise holder,head (1); protection circuit plate (2); sizing material cushion block (3); anodal nickel strap (4); bottom bracket (5); aluminum hull electricity core (6); negative pole nickel strap (7); the anodal nickel strap (4) of described aluminum hull electricity core (6) and negative pole nickel strap (7) and protection circuit plate (2) are just; negative pole connects respectively; described protection circuit plate (2) is positioned at holder,head (1); be full of the low-pressure injection molding colloid in the gap between described protection circuit plate (2) and described aluminum hull electricity core (6), on described aluminum hull electricity core (6) bottom surface, bottom bracket (5) arranged with the sticking card of viscose glue.
2. low-pressure injection molding aluminum-shell battery according to claim 1; it is characterized in that: the material of described low-pressure injection molding colloid is consistent with the material of low-pressure injection molding sizing material; the length dimension of sizing material cushion block (3) deducts the thickness of holder,head (1) more than or equal to the design length size of battery finished product; deduct the thickness of protection circuit plate (2); deduct the minimum length of aluminum hull electricity core (6), deduct bottom bracket (5) and the thickness of the adhesive-layer of aluminum hull electricity core (6) and the thickness of bottom bracket (5).
3. low-pressure injection molding aluminum-shell battery according to claim 1 and 2; it is characterized in that: on the inner bottom surface of described holder,head (1), be provided with two reference columns (16); be provided with two location holes (17) on described protection circuit plate (2), described reference column (16) is inserted in the described location hole (17).
4. low-pressure injection molding aluminum-shell battery according to claim 3; it is characterized in that: on the mating surface of described holder,head (1) and protection circuit plate (2); external connection terminals window (21) left and right sides of holder,head (1) has high 0.1-0.2mm respectively; allow head support (1) and protection circuit plate (2) form line and contact, prevent that the low-pressure injection molding sizing material from entering in holder,head (1) the external connection terminals window (21) with face.
5. low-pressure injection molding aluminum-shell battery according to claim 4; it is characterized in that: gold-plated terminal size design of the paster of described protection circuit plate (2) and external connection terminals window match, and the gold-plated terminal of described paster just in time stretches in the external connection terminals window.
6. low-pressure injection molding aluminum-shell battery according to claim 5 is characterized in that: described viscose glue is an epoxide-resin glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205968321U CN201887088U (en) | 2010-11-08 | 2010-11-08 | Low-voltage injection molding aluminium-case battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205968321U CN201887088U (en) | 2010-11-08 | 2010-11-08 | Low-voltage injection molding aluminium-case battery |
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| Publication Number | Publication Date |
|---|---|
| CN201887088U true CN201887088U (en) | 2011-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010205968321U Expired - Lifetime CN201887088U (en) | 2010-11-08 | 2010-11-08 | Low-voltage injection molding aluminium-case battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024918A (en) * | 2010-11-08 | 2011-04-20 | 深圳市睿德电子实业有限公司 | Method for controlling size of aluminum-shell battery along length direction and low-pressure injection molding aluminum-shell battery |
-
2010
- 2010-11-08 CN CN2010205968321U patent/CN201887088U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102024918A (en) * | 2010-11-08 | 2011-04-20 | 深圳市睿德电子实业有限公司 | Method for controlling size of aluminum-shell battery along length direction and low-pressure injection molding aluminum-shell battery |
| CN102024918B (en) * | 2010-11-08 | 2012-12-05 | 深圳市睿德电子实业有限公司 | Method for controlling size of aluminum-shell battery along length direction and low-pressure injection molding aluminum-shell battery |
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Granted publication date: 20110629 |