CN204793020U - A sealing washer and secondary cell for secondary cell negative pole seals personally experiences sth. part of body - Google Patents
A sealing washer and secondary cell for secondary cell negative pole seals personally experiences sth. part of body Download PDFInfo
- Publication number
- CN204793020U CN204793020U CN201520407274.2U CN201520407274U CN204793020U CN 204793020 U CN204793020 U CN 204793020U CN 201520407274 U CN201520407274 U CN 201520407274U CN 204793020 U CN204793020 U CN 204793020U
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- China
- Prior art keywords
- negative pole
- pole cap
- circuit board
- sealing ring
- board module
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model provides a sealing washer and secondary cell for secondary cell negative pole seals personally experiences sth. Part of body seals the body and includes: negative pole cap, circuit matrix piece and sealing washer, circuit matrix piece is the plastics flexible circuit board, and the extrusion through the sealing washer produces elastic deformation and is used for the card inside battery case, the sealing washer is a flexible and elasticity annular insulation bed course, arranges in the space of battery case, circuit matrix piece and negative pole cap, and the cross -section of sealing washer is the crank formula handle form of approximate Z shape, and some of the crank formula handle form of approximate Z shape is used for fixed circuit matrix piece under battery case's extrusion, and another part is used for keeping apart battery case and negative pole cap, seals negative pole cap, battery case and circuit matrix piece, the sealing washer is convex with the position of the inside contact of battery case for cooperation battery case's circular structure, the sealing washer is used for keeping apart the part of battery case and negative pole cap, stretches out and is higher than the battery case certain distance to flush with the negative pole cap, produce the short circuit in order to prevent the battery when charging.
Description
Technical field
The utility model relates to a kind of secondary cell, is specifically related to a kind of sealing ring for secondary battery negative pole seal body.
Background technology
In recent years, secondary cell (also referred to as rechargeable battery) has been widely used in various portable electric equipment and electronic equipment, such as toy, handheld device etc., and this proposes more and more higher requirement to secondary cell energy storage energy.Lithium rechargeable battery due to have energy high, can the advantage such as high power discharge, environmental protection, be thus applied in above field gradually.
The normal work of rechargeable battery often needs to coordinate with the integrated circuit (IC) chip of other functions, has reached desirable working effect.Usual rechargeable battery and integrated circuit (IC) chip encapsulate respectively, and then by the connection of circuit board and wire, combine use.Such peripheral cell is many, and production process is many, cost is high, and greatly, poor-performing, is unfavorable for miniaturization or microminiaturization for rechargeable battery and integrated circuit (IC) chip volume.
When carrying out lithium rechargeable battery encapsulation, space shared by lithium rechargeable battery each several part is all comparatively fixing, wherein, this electrostrictive polymer core inner then comprises anode pole piece, barrier film and cathode pole piece, and the battery core closedtop in one end that anode pole piece deviates from barrier film with specified altitude assignment encapsulates, because battery core closedtop occupies the certain altitude of this polymer battery core, thus decrease the useful space of this electrostrictive polymer core inner.And the space availability ratio of polymer battery core and the energy density of lithium rechargeable battery and capacity have comparatively Important Relations, general, the space availability ratio of this polymer battery core is larger, the energy density of this lithium rechargeable battery and capacity are also larger, therefore, existing lithium rechargeable battery ubiquity the low and energy density of the lithium rechargeable battery caused of space availability ratio due to polymer battery core and the lower problem of capacity.
Utility model content
The utility model provides a kind of sealing ring for secondary battery negative pole seal body, described seal body is used for the peristome of the battery container closing described secondary cell, wherein said seal body comprises: negative pole cap, circuit board module and sealing ring, described negative pole cap is positioned at the outermost of described seal body, described circuit board module is positioned at inside described negative pole cap, is connected by connector with negative pole cap; Described circuit board module is plastic flexible circuit board, has certain elasticity, produces elastic deformation be used for being stuck in described battery container inside by the extruding of described sealing ring; Described sealing ring is a flexibility and elastic ring insulating blanket, be arranged in the space of described battery container, circuit board module and negative pole cap, the cross section of described sealing ring is in approximate Z-shaped crank type handle shape, a part for approximate Z-shaped crank type handle shape is used for permanent circuit plate module under the extruding of described battery container, another part, for isolating described battery container and described negative pole cap, seals described negative pole cap, battery container and circuit board module; The position of described sealing ring and battery container interior contact is circular arc, for the arc structure of matching battery housing; Described sealing ring, for isolating the part of described battery container and described negative pole cap, to stretch out and higher than described battery container certain distance, and flushes with described negative pole cap, produces short circuit to prevent described battery when charging.
Preferably, the connector between described circuit board module and described negative pole cap is solder.
Preferably, the connector between described circuit board module with described negative pole cap is that buckle is connected.
Preferably, the edge of described negative pole cap is provided with at least two dops, for described negative pole cap is fixed on described circuit board module.
Preferably, described circuit board module is provided with at least two draw-in grooves, for installing described negative pole cap relative to the marginal position side of described negative pole cap corresponding to described negative pole cap.
Preferably, described circuit board module is at least one printed circuit board.
Preferably, the circuit cathode output end of described circuit board module is arranged on the junction of described negative pole cap and circuit board, and negative pole is exported and circuit ground conllinear.
Preferably, the shape of described negative pole cap and circuit board module connecting portion is " C " type circulus.
Preferably, the material of described sealing ring is transparent light conductive material.
Preferably, described battery also comprises battery core and positive electrode cap, and wherein, described positive electrode cap and described battery container connect and compose the positive pole of described secondary cell; Described battery core is positioned in described battery container, between described positive electrode cap and described circuit board module.
Ring structure for secondary battery negative pole seal body of the present utility model design is rationally ingenious, can not only sealed cell housing, space between circuit board module and negative pole cap, the both positive and negative polarity of isolation battery, can also prevent short circuit when battery charges.
Accompanying drawing explanation
With reference to the accompanying drawing of enclosing, the following description by the utility model execution mode is illustrated by the more object of the utility model, function and advantage, wherein:
Fig. 1 a diagrammatically illustrates the structural representation of the secondary cell containing sealing ring of the present utility model and seal body.
Fig. 1 b is the decomposition diagram of the secondary cell containing sealing ring of the present utility model and seal body.
Fig. 1 c is the profile of Fig. 1 a along A-A direction.
Fig. 2 diagrammatically illustrates of the present utility model for the seal body accessory of secondary cell and the enlarged partial sectional view of sealing ring.
Fig. 3 a is the cutaway view of sealing ring of the present utility model for the seal body accessory of secondary cell.
Fig. 3 b is the sectional exploded view of sealing ring of the present utility model for the seal body accessory of secondary cell.
Fig. 3 c is the stereogram of sealing ring of the present utility model for the seal body accessory of secondary cell.
Fig. 3 d is the vertical view of sealing ring of the present utility model for the seal body accessory of secondary cell.
Fig. 4 is sealing ring of the present utility model and the schematic diagram of seal body accessory for coordinating with charger during secondary cell charge.
Embodiment
By reference to one exemplary embodiment, the purpose of this utility model and function and the method for realizing these objects and function will be illustrated.But the utility model is not limited to following disclosed one exemplary embodiment; Can be realized it by multi-form.The essence of specification is only help various equivalent modifications Integrated Understanding detail of the present utility model.
Should be appreciated that description and the follow-up detailed description of aforementioned cardinal principle are exemplary illustration and explanation, should not be used as the restriction to the claimed content of the utility model.
Hereinafter, embodiment of the present utility model will be described with reference to the drawings.In the accompanying drawings, identical Reference numeral represents same or similar parts, or same or similar step.
The utility model provides a kind of electrochemical secondary cell, and Fig. 1 a, 1b are respectively the structural representation Sum decomposition perspective view of secondary cell 100 of the present utility model.As shown in Fig. 1 a, 1b, a kind of secondary cell 100, comprise: battery container 101, the battery core 102 be placed in battery container 101, negative pole cap 103, the circuit board module 104 being placed in the space between battery core 102 and negative pole cap 103 and positive electrode cap 105, wherein negative pole cap is positioned at the outermost of seal body, circuit board module 104 is positioned at inside negative pole cap 103, is connected by connector with negative pole cap 103.Negative pole cap of the present utility model has the function of electromagnetic shielding, electrostatic screen and circuit heat radiation.Battery core 102 overcoat has battery container 101, and between positive electrode cap 105 and circuit board module 104.Battery container 101 is the box hat of cylinder or rectangular structure, for output cathode, and permanent circuit plate module 104.According to an embodiment of the present utility model, positive electrode cap 105 is molded as one structure with described battery container 101 dextrorsely, forms the positive pole of secondary cell 100.
Circuit board module 104 is at least one layer printed circuit board (PCB), has the first side and the second side, and wherein the first side is pointed to negative pole cap 103, second side relative to described secondary cell 100 and pointed to battery core 102 relative to described secondary cell 100.PCB is the circuit board it being printed with wiring pattern, and has and have roughly corresponding size with the housing inner diameter of described battery 100.Multiple printed conductor and components and parts are arranged in the first side or second side of circuit board module 104.Circuit board module 104 near negative pole cap 103 side of described battery 100, between battery core 102 and negative pole cap 103.Circuit board module 104 is provided with connector thus is fixed on circuit board module 104 by negative pole cap 103, such as, negative pole cap 103 can be welded on circuit board module 104 by solder, also can be fixed by modes such as buckle connections.Preferably, when adopting snap to connect, the edge of negative pole cap 103 is provided with at least two dops, for negative pole cap 103 is fixed on circuit board module 104, and circuit board module 104 is provided with at least two draw-in grooves, for installing negative pole cap 103 relative to the marginal position side of negative pole cap 103 corresponding to described negative pole cap 103.The circuit cathode output end of circuit board module 104 is arranged on described negative pole cap 103 and the junction of circuit board, and negative pole is exported and circuit ground conllinear.Circuit board module is used for lithium cell charging protection, charging instruction, can also be used for the discharge prevention of battery, short-circuit protection, Cross prevention and control output voltage.Be provided with electrode connecting line 108a and 108b between circuit board module 104 and battery core 102, drawn respectively by the both positive and negative polarity of battery respectively, wherein 108a is positive lead, and 108b is negative lead.Fig. 1 c is the profile of Fig. 1 a along A-A direction.Between circuit board module 104 and the battery container 101 of outside, between negative pole cap 103 and battery container 101, be provided with sealing ring 106.Sealing ring 106 is a flexibility and has flexible annular insulating mat layer, and its shape along described secondary cell 101A-A section is
shape, approximate Z-shaped crank type handle shape.Sealing ring 106 can play the effect of the battery container 101 of isolation as the first electrode and the negative pole cap 103 as the second electrode, and because the elastic reaction of sealing ring 106 can extrude and fix circuit board module 104, the space between sealed cell housing 101 and negative pole cap 103.Particularly, as illustrated in figure 1 c,
a part for shape is for extruding permanent circuit plate module 104 between described circle line 107 and battery container 101, and another part is for isolating described battery container 101 and described negative pole cap 103.Preferably, sealing ring 106 is circular arc with the position of battery container 101 interior contact, for the arc structure of matching battery housing 101.Preferably, circuit board module 104 is plastic flexible circuit board, has certain elasticity, produces elastic deformation be used for being stuck in battery container 101 inside by the extruding of sealing ring 106.
The ring-shaped depression that position on the outer surface of battery container 101 between corresponding battery core 102 and printed circuit board (PCB) 106 has a circle inside is circle line 107.Described battery core 102 is positioned in described battery container 101, between positive electrode cap 105 and the structure of described circle line 107.Sealing ring 106 and circle line 107 be arranged so that circuit board module 104 is fixed on bottom the ring-shaped depression of battery container 101 and battery container 101 between, therefore battery container 101 and the connection of negative pole cap 103 are without any need for welding.
The setting of circle line 107 structure is used for positioning circuit plate module 104, particularly, the diameter of circuit board module 104 is set between the internal diameter of the ring-shaped depression formed at circle line 107 and the internal diameter of battery container 101, when assembling battery, first battery core 102 is placed in battery container 101, then circuit board module 104 is assembled in battery container 101, the structure that the size dimension of circuit board module 104 can be stuck in circle line 107 avoids the contact with battery core 102, and then by sealing ring 106, battery container 101 and negative pole cap 103 are isolated, complete the assembling of battery 100.Said structure makes circuit board module 104 to define a closed space in battery container 101 inside for holding battery core 102 by the structure of circle line 107, thus can increase the volume of battery core 102, therefore increases the capacity of secondary cell.Preferably, battery core 102 is a closed structure, carries out work by being connected from its both positive and negative polarity of battery core 102 inside extraction with corresponding battery plus-negative plate.
Preferably, above-mentioned circle line 107 is 0.2-1.2mm relative to the battery container 101 depression in the surface degree of depth.
Fig. 2 diagrammatically illustrates the enlarged partial sectional view of the seal body accessory 200 for secondary cell of the present utility model.As shown in Figure 2, described seal body accessory 200 comprises a PCB201, the 2nd PCB202, negative pole cap 203.According to an embodiment of the present utility model, a PCB201 and the 2nd PCB202 are two printed circuit board that area is identical.A described PCB201 is near battery core 204, and described 2nd PCB202 is away from battery core 204.One PCB201 is stuck on battery container 206 by circle line 205.Negative pole cap 203 described in 2nd PCB202 realizes electrical connection by contact, and with its composition shielding construction.One PCB201 is furnished with multiple chip or circuit components near the side of battery core 204 and the 2nd PCB202 away from the side of battery core 204, wherein, the components and parts that can produce radiation are in the course of the work arranged in the shielding construction that the 2nd PCB202 and negative pole cap 203 form.The outside of the 2nd PCB202, negative pole cap 203 and battery container 206 and between be provided with sealing ring 207.Sealing ring 207 is a flexibility and elastic ring insulating blanket, and be arranged in the space of described battery container 206, the 2nd PCB202 and negative pole cap 203, the cross section of described sealing ring 207 is
shape, approximate Z-shaped crank type handle shape,
a part for shape is used under the extruding of battery container 206, fixing a PCB201 and the 2nd PCB202 in circle line 205 place, another part, for isolating battery container 206 and negative pole cap 203, seals negative pole cap 203, battery container 206 and the space between a PCB201 and the 2nd PCB202.Sealing ring 207 is circular arc with the position of battery container 206 interior contact, for the arc structure of matching battery housing 206; Wherein, sealing ring 207, for isolating the part of battery container 206 and negative pole cap 203, to stretch out and higher than battery container 206 certain distance, and flushes with negative pole cap 203.The position contacted with the 2nd PCB at battery container 206 and a PCB is contact-enhancing zinc-plated 210, with the gap between potted circuit plate and battery container.By the through hole 209 between a PCB and the 2nd PCB, the negative lead 208b (208a is positive lead, not shown) battery core 204 drawn is connected with the wire on the 2nd PCB with a PCB.The inner surface of through hole 209 is coated with electric conducting material, such as, be copper facing, therefore the wiring of multiple circuit board can be linked together by through hole 209, and be connected with the position of circuit board contacts with negative pole cap, thus conducted to negative pole cap.
Fig. 3 a is the cutaway view of the seal body accessory 300 for secondary cell of the present utility model.Fig. 3 b is the sectional exploded view of the seal body accessory 300 for secondary cell of the present utility model.As shown in Fig. 3 a, 3b, described seal body accessory 300 comprises negative pole cap 301, sealing ring 302, circuit board module 303.Preferably, circuit board module 303 is provided with charging indicator light 305 with the corresponding position, edge of negative pole cap 301.Negative pole cap 301 is " C " type circulus with the shape of circuit board module 303 connecting portion, namely the edge of negative pole cap has breach 304, breach 304 is the Tong Guangkou of charging indicator light 305, described breach 304 has certain height but is no more than the height (as shown in Figure 3 c) of negative pole cap, in order to charging indicator light 305 is come out, the position of the charging indicator light 305 in its position corresponding circuits plate module 303.Sealing ring 302 is a flexibility and elastic ring insulating blanket, the Tong Guangkou (as shown in Figure 3 d) of charging indicator light 305 can be covered completely, the material of sealing ring 302 is transparent light conductive material, and the light that charging indicator light 305 can be made to send is through described sealing ring and make whole sealing ring printing opacity.
Fig. 4 is the schematic diagram of the utility model sealing ring for coordinating with charger during secondary cell charge.As shown in Figure 4, when battery needs to charge, likely when putting it into charging battery cartridge and can contact by mistake as the battery container of positive pole and be short-circuited because of the shell fragment of charging battery cartridge inside or spring.The secondary cell 400 of application the utility model sealing ring, have and be arranged in battery container 401, circuit board module 402 and the sealing ring 404 in the space of negative pole cap 403, the cross section of described sealing ring 404 is
shape, approximate Z-shaped crank type handle shape,
a part for shape is used for permanent circuit plate module 402 under the extruding of battery container 401, and another part, for isolating battery container 401 and negative pole cap 403, seals negative pole cap 403, battery container 401 and circuit board module 402.And, sealing ring 404 is for isolating the part of battery container 401 and negative pole cap 403, stretching out and higher than battery container 401 certain distance, and flush with negative pole cap 403, the shell fragment of charging battery cartridge inside or spring contact can being made like this to prevent less than battery container battery from producing short circuit when charging.
Ring structure for secondary battery negative pole seal body of the present utility model design is rationally ingenious, can not only sealed cell housing, space between circuit board module and negative pole cap, the both positive and negative polarity of isolation battery, can also prevent short circuit when battery charges.
In conjunction with the explanation of the present utility model disclosed here and practice, other embodiments of the present utility model are all easy to expect and understand for those skilled in the art.Illustrate and embodiment be only considered to exemplary, true scope of the present utility model and purport limited by claim.
Claims (10)
1., for a sealing ring for secondary battery negative pole seal body, described seal body is used for the peristome of the battery container closing described secondary cell, and wherein said seal body comprises: negative pole cap, circuit board module and sealing ring,
Described negative pole cap is positioned at the outermost of described seal body, and described circuit board module is positioned at inside described negative pole cap, is connected by connector with negative pole cap;
Described circuit board module is plastic flexible circuit board, has certain elasticity, produces elastic deformation be used for being stuck in described battery container inside by the extruding of described sealing ring;
Described sealing ring is a flexibility and elastic ring insulating blanket, be arranged in the space of described battery container, circuit board module and negative pole cap, the cross section of described sealing ring is in approximate Z-shaped crank type handle shape, a part for approximate Z-shaped crank type handle shape is used for permanent circuit plate module under the extruding of described battery container, another part, for isolating described battery container and described negative pole cap, seals described negative pole cap, battery container and circuit board module;
The position of described sealing ring and battery container interior contact is circular arc, for the arc structure of matching battery housing;
Described sealing ring, for isolating the part of described battery container and described negative pole cap, to stretch out and higher than described battery container certain distance, and flushes with described negative pole cap, produces short circuit to prevent described battery when charging.
2. sealing ring according to claim 1, the connector between wherein said circuit board module and described negative pole cap is solder.
3. sealing ring according to claim 1, the connector between wherein said circuit board module with described negative pole cap is that buckle is connected.
4. sealing ring according to claim 3, the edge of wherein said negative pole cap is provided with at least two dops, for described negative pole cap is fixed on described circuit board module.
5. sealing ring according to claim 3, wherein said circuit board module is provided with at least two draw-in grooves, for installing described negative pole cap relative to the marginal position side of described negative pole cap corresponding to described negative pole cap.
6. sealing ring according to claim 1, wherein said circuit board module is at least one printed circuit board.
7. sealing ring according to claim 1, the circuit cathode output end of wherein said circuit board module is arranged on the junction of described negative pole cap and circuit board, and negative pole is exported and circuit ground conllinear.
8. sealing ring according to claim 1, the shape of wherein said negative pole cap and circuit board module connecting portion is " C " type circulus.
9. sealing ring according to claim 1, the material of wherein said sealing ring is transparent light conductive material.
10. comprise a secondary cell for sealing ring as claimed in claim 1, described battery also comprises battery core and positive electrode cap, wherein,
Described positive electrode cap and described battery container connect and compose the positive pole of described secondary cell;
Described battery core is positioned in described battery container, between described positive electrode cap and described circuit board module.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520407274.2U CN204793020U (en) | 2015-06-12 | 2015-06-12 | A sealing washer and secondary cell for secondary cell negative pole seals personally experiences sth. part of body |
| PCT/CN2015/096609 WO2016197564A1 (en) | 2015-06-12 | 2015-12-08 | Seal ring for secondary battery cathode sealing body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520407274.2U CN204793020U (en) | 2015-06-12 | 2015-06-12 | A sealing washer and secondary cell for secondary cell negative pole seals personally experiences sth. part of body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204793020U true CN204793020U (en) | 2015-11-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520407274.2U Active CN204793020U (en) | 2015-06-12 | 2015-06-12 | A sealing washer and secondary cell for secondary cell negative pole seals personally experiences sth. part of body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204793020U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900840A (en) * | 2015-06-12 | 2015-09-09 | 福建南平南孚电池有限公司 | Seal ring used for secondary battery negative electrode seal body |
| WO2016197564A1 (en) * | 2015-06-12 | 2016-12-15 | 福建南平南孚电池有限公司 | Seal ring for secondary battery cathode sealing body |
-
2015
- 2015-06-12 CN CN201520407274.2U patent/CN204793020U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104900840A (en) * | 2015-06-12 | 2015-09-09 | 福建南平南孚电池有限公司 | Seal ring used for secondary battery negative electrode seal body |
| WO2016197564A1 (en) * | 2015-06-12 | 2016-12-15 | 福建南平南孚电池有限公司 | Seal ring for secondary battery cathode sealing body |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |