CN104934553B - A kind of electrochemical secondary cell for being built in charging circuit - Google Patents
A kind of electrochemical secondary cell for being built in charging circuit Download PDFInfo
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- CN104934553B CN104934553B CN201510322920.XA CN201510322920A CN104934553B CN 104934553 B CN104934553 B CN 104934553B CN 201510322920 A CN201510322920 A CN 201510322920A CN 104934553 B CN104934553 B CN 104934553B
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- 239000004020 conductor Substances 0.000 claims abstract description 5
- 230000002265 prevention Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 210000003739 neck Anatomy 0.000 claims description 4
- 238000005728 strengthening Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 description 8
- JPOPEORRMSDUIP-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(2,3,5,6-tetrachlorophenyl)benzene Chemical compound ClC1=CC(Cl)=C(Cl)C(C=2C(=C(Cl)C=C(Cl)C=2Cl)Cl)=C1Cl JPOPEORRMSDUIP-UHFFFAOYSA-N 0.000 description 7
- LJQOBQLZTUSEJA-UHFFFAOYSA-N 1,2,3,5-tetrachloro-4-(2,3,5,6-tetrachlorophenyl)benzene Chemical compound ClC1=C(Cl)C(Cl)=CC(Cl)=C1C1=C(Cl)C(Cl)=CC(Cl)=C1Cl LJQOBQLZTUSEJA-UHFFFAOYSA-N 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 229920000642 polymer Polymers 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/148—Lids or covers characterised by their shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/463—Separators, membranes or diaphragms characterised by their shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention provides a kind of electrochemical secondary cell for being built in charging circuit, including：Battery container, battery core, positive electrode cap, negative pole cap, circuit board module and insulating washer, battery container have the circle cable architecture of depression in one end close to negative pole cap, and battery core is positioned in battery container, between positive electrode cap and circle cable architecture；Positive electrode cap connects and composes the positive pole of secondary cell with battery container；Negative pole cap is arranged on circuit board module；Circuit board module is located between circle line and negative pole cap, and the diameter of circuit board module is set between the internal diameter of depression and the internal diameter of battery container that circle line is constituted, so as to be stuck in circle line side with battery core to isolate；Electrode connecting line is provided with battery core；There is at least one through hole, the inner surface of through hole is coated with conductive material on circuit board module；Insulating washer is arranged in the space of battery container, circuit board module and negative pole cap, and extruding permanent circuit plate module isolates battery container and negative pole cap between circle line and battery container.
Description
Technical field
The present invention relates to a kind of secondary cell, and in particular to a kind of electrochemical secondary cell for being built in charging circuit.
Background technology
In recent years, secondary cell (also referred to as rechargeable battery) has been widely used for various portable electric equipments and electronics
In equipment, such as toy, handheld device, this proposes higher and higher require to secondary cell energy storage energy.Lithium ion secondary
Battery due to have the advantages that energy it is high, can be with high power discharge, environmental protection, thus gradually applying in above field.
The normal work of rechargeable battery is frequently necessary to the IC chip cooperation with other functions, has reached preferable work
Make effect.Usual rechargeable battery is packaged respectively with IC chip, then passes through the connection of circuit board and wire, knot again
It is combined and uses.So peripheral cell is more, and production process is more, cost is high, and rechargeable battery is big with IC chip volume, property
Can be poor, it is unfavorable for minimizing or is miniaturized.
When carrying out lithium rechargeable battery encapsulation, the space shared by lithium rechargeable battery each several part is all more fixed,
Wherein, the electrostrictive polymer core inner then includes anode pole piece, barrier film and cathode pole piece, and in anode pole piece away from barrier film
The battery core closedtop that one end has specified altitude assignment is packaged, because battery core closedtop occupies the certain altitude of the polymer battery core,
So as to reduce the useful space of the electrostrictive polymer core inner.And the space availability ratio and lithium rechargeable battery of polymer battery core
Energy density and capacity have compared with Important Relations, general, the space availability ratio of the polymer battery core is bigger, lithium ion secondary electricity
The energy density and capacity in pond are also bigger, therefore, and existing lithium rechargeable battery generally existing due to polymer battery core
The energy density of lithium rechargeable battery and the problem of relatively low capacity caused by low space utilization.
The content of the invention
The invention provides a kind of electrochemical secondary cell for being built in charging circuit, including：Battery container, battery core,
Positive electrode cap, negative pole cap, circuit board module and insulating washer, the battery container have recessed at it close to one end of the negative pole cap
Sunken circle cable architecture, the battery core is positioned in the battery container, between the positive electrode cap and the circle cable architecture, institute
Stating battery container is used for output cathode, the fixed circuit board module；The positive electrode cap connects and composes institute with the battery container
State the positive pole of secondary cell；The negative pole cap is arranged on the circuit board module, and can be used in electromagnetic shielding, electrostatic screen
Radiated with circuit；The circuit board module is located between the circle line and the negative pole cap, and the diameter of the circuit board module is big
It is small be set to the circle line constitute the internal diameter of depression and the internal diameter of battery container between so that be stuck in the circle line side from
And isolate with the battery core；Electrode connecting line is provided with the battery core, for the both positive and negative polarity of battery to be drawn respectively；The electricity
There is at least one through hole, the inner surface of the through hole is coated with conductive material, for strengthening weld strength and increasing in the plate module of road
Contact area is powered up, and for electrode connecting line to be drawn to be connected to circuit board module；The circuit board module can be used
In the charge protection of the battery, charging is indicated, can be also used for the discharge prevention of battery, short-circuit protection, Cross prevention and
Control output voltage；The insulating washer is arranged in the space of the battery container, circuit board module and negative pole cap, and extruding is solid
Circuit board module is determined between the circle line and battery container, and isolates the battery container and the negative pole cap.
Preferably, the battery container is cylinder or the box hat of rectangular parallelepiped structure.
Preferably, the circuit board module is an at least printed circuit board.
Preferably, the insulating washer is a flexible and elastic ring insulating blanket.
Preferably, the section of the insulating washer is inShape,A part for shape be used for extrude permanent circuit plate module in
Between the circle line and battery container, another part is used to isolate the battery container and the negative pole cap.
Preferably, connector is provided with the circuit board module negative pole cap is fixed on circuit board module, and
Realize both electrical connections.
Preferably, the connected mode of the circuit board module and negative pole cap is welding.
Preferably, the edge of the negative pole cap is provided with least two dops, for the negative pole cap to be fixed on into institute
State on circuit board module；The circuit board module is relative to the margin location for corresponding to the negative pole cap on the side of the negative pole cap
Install and be equipped with least two necks, for installing the negative pole cap.
Preferably, the circle line is 0.2-1.2mm relative to the cup depth of battery casing surface.
Preferably, the positive electrode cap is structure as a whole with the battery container.
The seal body accessory structure for electrochemical cell of the present invention is ingenious in design rationally, in electrochemical cell electricity
Pole sealing part has negative pole cap, and the negative pole cap can cooperatively form shielding construction with circuit board, can prevent its internal high frequency
The interference of component to external world, and the heat produced when can circuit board be worked is conducted to the external world, play protection circuit plate and
The effect of component.Circle cable architecture is disposed between battery core and circuit board in addition, corresponding on the battery container, for positioning
The relative position of battery core and circuit board, and insulating washer between negative pole cap and battery container coordinates and fixes circuit board, and
Any welding is not needed.
Brief description of the drawings
With reference to the accompanying drawing enclosed, the present invention more purpose, function and advantages will pass through the as follows of embodiment of the present invention
Description is illustrated, wherein：
Fig. 1 a diagrammatically illustrate the structural representation of the electrochemical cell of the present invention.
Fig. 1 b are the decomposition diagrams of the electrochemical cell of the present invention.
Fig. 1 c are profiles of Fig. 1 a along A-A directions.
Fig. 2 a diagrammatically illustrate the electrochemical secondary cell first embodiment for being built in charging circuit of the present invention
Dimensional decomposition structure diagram for the seal body accessory 200 of electrochemical cell.
Fig. 2 b diagrammatically illustrate the part of the seal body accessory 200 for electrochemical cell of first embodiment of the invention
Amplification view.
Fig. 3 is the three-dimensional exploded view of the seal body accessory 300 for electrochemical cell of second embodiment of the invention.
Fig. 4 is the structural representation of the second printed circuit board (PCB) in second embodiment of the invention.
Embodiment
By reference to one exemplary embodiment, the purpose of the present invention and function and the side for realizing these purposes and function
Method will be illustrated.However, the present invention is not limited to one exemplary embodiment as disclosed below；Can by multi-form come
It is realized.The essence of specification is only to aid in the detail of the various equivalent modifications Integrated Understanding present invention.
It should be appreciated that foregoing description substantially and follow-up description in detail are exemplary illustration and explanation, should not
As the limitation to claimed content of the invention.
Hereinafter, embodiments of the invention will be described with reference to the drawings.In the accompanying drawings, identical reference represents identical
Or similar part, or same or like step.
The present invention provides a kind of electrochemical secondary cell, and Fig. 1 a, 1b are respectively that the structure of the electrochemical cell of the present invention is shown
It is intended to and decomposition diagram.As shown in Fig. 1 a, 1b, a kind of electrochemical cell 100, including：Battery container 101, it is placed in battery case
The circuit board module 104 of battery core 102, negative pole cap 103, the space being placed between battery core 102 and negative pole cap 103 in body 101 with
And positive electrode cap 105.The negative pole cap of the present invention has the function of electromagnetic shielding, electrostatic screen and circuit radiating.It is cased with outside battery core 102
Battery container 101, battery container 101 is cylinder or the box hat of rectangular parallelepiped structure, for output cathode, permanent circuit plate module
104.According to one embodiment of present invention, positive electrode cap 105 is dextrorsely molded as one structure with the battery container 101.
Circuit board module 104 is at least one layer of printed circuit board (PCB) (PCB), with the first side and the second side, wherein the first side
Negative pole cap 103 is pointed to relative to the electrochemical cell 100, battery core is pointed in the second side relative to the electrochemical cell 100
102.PCB is the circuit board for being printed with wiring pattern thereon, and is generally corresponding to having with the housing inner diameter of the battery 100
Size.Multiple printed conductors and component are arranged in the first side or the second side of circuit board module 104.Circuit board module 104
Close to the side of negative pole cap 103 of the battery 100, between battery core 102 and negative pole cap 103.It is provided with circuit board module 104
Connector is so as to which negative pole cap 103 is fixed on circuit board module 104, for example, negative pole cap 103 can be fixed by welding in electricity
In road plate module 104, it can also be fixed by modes such as clampings.Circuit board module is used for lithium cell charging protection, charging and indicated,
It can be also used for discharge prevention, short-circuit protection, Cross prevention and the control output voltage of battery.Circuit board module 104 and electricity
Electrode connecting line 108a and 108b are provided between core 102, respectively draws the both positive and negative polarity of battery respectively, wherein 108a is positive pole
Connecting line, 108b is negative lead.Fig. 1 c are profiles of Fig. 1 a along A-A directions.In circuit board module 104 and outside electricity
Between pond housing 101, insulating washer 106 is provided between negative pole cap 103 and battery container 101.Insulating washer 106 is one flexible
And flexible annular insulating mat layer, its along being shaped as of the electrochemical cell 101A-A sections "" shape.Insulating washer
106 can play a part of battery container 101 of the isolation as first electrode and the negative pole cap 103 as second electrode, and
Because the elastic reaction of insulating blanket 106 can extrude and fix circuit board module 104, sealed cell housing 101 and negative pole cap
Space between 103.Specifically, as illustrated in figure 1 c,A part for shape is used to extrude permanent circuit plate module 104 in described
Between circle line 107 and battery container 101, another part is used to isolate the battery container 101 and the negative pole cap 103.
Position on the outer surface of battery container 101 between correspondence battery core 102 and printed circuit board (PCB) 106 has a circle inside
Ring-shaped depression, is circle line 107.The battery core 102 is positioned in the battery container 101, positioned at positive electrode cap 105 and the circle
Between the structure of line 107.The setting of insulating washer 106 and circle line 107 causes circuit board module 104 to be fixed on battery container 101
Ring-shaped depression and the bottom of battery container 101 between, therefore the connection of battery container 101 and negative pole cap 103 does not need any weldering
Connect.
The structure of circle line 107 is provided for positioning circuit plate module 104, specifically, the diameter of circuit board module 104 is big
It is small to be set between the internal diameter for the ring-shaped depression that circle line 107 is constituted and the internal diameter of battery container 101, when assembling battery,
First battery core 102 is placed into battery container 101, then circuit board module 104 is assembled in battery container 101, circuit board
The size dimension of module 104 can be stuck in the structure of circle line 107 so as to avoid the contact with battery core 102, then passed through again
Insulating blanket 106 is isolated battery container 101 with negative pole cap 103, completes the assembling of battery 100.Said structure causes
Circuit board module 104 is used to accommodate electricity by the structure of circle line 107 in the space that battery container 101 has been internally formed a closing
Core 102, so as to increase the volume of battery core 102, therefore the capacity of increase secondary cell.Preferably, battery core 102 is one closed
Structure, is operated by being connected from the inside of battery core 102 its both positive and negative polarity of extraction with corresponding battery plus-negative plate.
Preferably, above-mentioned circle line 107 is 0.2-1.2mm relative to the depression in the surface depth of battery container 101.
Fig. 2 a diagrammatically illustrate the electrochemical secondary cell first embodiment for being built in charging circuit of the present invention
Dimensional decomposition structure diagram for the seal body accessory 200 of electrochemical cell.Fig. 2 b diagrammatically illustrate the present invention first
The enlarged partial sectional view of the seal body accessory 200 for electrochemical cell of embodiment.As shown in Fig. 2 a, 2b, the sealing
Body accessory 200 includes the first PCB 201, the 2nd PCB 202, negative pole cap 203.According to one embodiment of present invention, the first PCB
201 and the 2nd PCB 202 be the printed circuit board of area identical two.First PCB 201 is close to battery core 204, and described
Two PCB 202 are away from battery core 204.First PCB 201 is stuck on battery container 206 by circle line 205.Described in 2nd PCB 202
Negative pole cap 203 realizes electrical connection by contacting, and constitutes a shielding construction with it.First PCB 201 is close to battery core 204
Side and the 2nd sides of the PCB 202 away from battery core 204 are disposed with multiple chips or circuit components, wherein, in the course of work
The middle component that can produce radiation is arranged in the shielding construction that the 2nd PCB 202 is constituted with negative pole cap 203.In the 2nd PCB
202nd, the outside of negative pole cap 203 and battery container 206 and between be provided with insulating washer 207.Insulating washer 207 is a flexible ring
Shape insulating blanket, can extrude and fix the first PCB 201 and the 2nd PCB 202 at circle line 205, the He of sealed cell housing 206
Space between negative pole cap 103.The position contacted in battery container 206 with the first PCB and the 2nd PCB is tin plating for contact-enhancing
210, with the gap between potted circuit plate and battery container.By the through hole 209 between the first PCB and the 2nd PCB, by battery core
The 204 negative lead 208b drawn (208a is positive lead, not shown in figure) and leading on the first PCB and the 2nd PCB
Line is connected.The inner surface of through hole 209 is coated with conductive material, for example, copper facing, therefore can be with by the wiring of multiple circuit boards
Linked together, and be connected with the position of negative pole cap and circuit board contacts by through hole 209, so as to be conducted to negative pole cap.
Fig. 3 is the three-dimensional exploded view of the seal body accessory 300 for electrochemical cell of second embodiment of the invention.It is described
Seal body accessory 300 includes the first PCB 301, the 2nd PCB 302 and negative pole cap 303.Wherein the first PCB 301 and the 2nd PCB
Multiple circuit components are disposed with 302.First PCB 301 and the 2nd PCB 302 edge is provided with multiple apertures 304,
For the first PCB 301 and the 2nd PCB 302 to be fixed together.The side correspondence of the 2nd connection negative poles of PCB 302 cap 303 is negative
The marginal position of polar cap 303 has the (not shown) of at least two neck 305, and the edge of negative pole cap 303 then has and the card
The corresponding dop 306 of groove 305, for negative pole cap 303 to be fixed on into the 2nd PCB 302, and can realize that electrical connection and heat connect
Touch.2nd PCB 302 and negative pole cap 303 contact site are disposed with quoit 401 (as shown in Figure 4), negative pole cap 303 and metal
Circle 401, which coordinates, can play a part of electro-magnetic shielding cover.The material of the negative pole cap 303 is metal, can be by circuit board
The heat that component is produced when working exports outside batteries by the contact with dop 306 of neck 305, plays a part of radiating.
The seal body accessory structure for electrochemical cell of the present invention is ingenious in design rationally, in electrochemical cell electricity
Pole sealing part has negative pole cap, and the negative pole cap can cooperatively form shielding construction with circuit board, can prevent its internal high frequency
The interference of component to external world, and the heat produced when can circuit board be worked is conducted to the external world, play protection circuit plate and
The effect of component.Circle cable architecture is disposed between battery core and circuit board in addition, corresponding on the battery container, for fixed
The relative position of position battery core and circuit board, and insulating washer between negative pole cap and battery container coordinates and fixes circuit board,
Without any welding.
With reference to the explanation of the invention disclosed here and practice, other embodiment of the invention is for those skilled in the art
It all will be readily apparent and understand.Illustrate and embodiment is to be considered only as exemplary, of the invention true scope and purport is equal
It is defined in the claims.
Claims (8)
1. a kind of electrochemical secondary cell for being built in charging circuit, including：Battery container, battery core, positive electrode cap, negative pole cap,
Circuit board module and insulating washer,
The battery container has the circle cable architecture of depression close to one end of the negative pole cap at it, and the battery core is positioned over described
In battery container, between the positive electrode cap and the circle cable architecture, the battery container is cylinder or rectangular parallelepiped structure
Box hat, for output cathode, the fixed circuit board module；
The positive electrode cap connects and composes the positive pole of the secondary cell with the battery container；
The negative pole cap is arranged on the circuit board module, and can be used in electromagnetic shielding, electrostatic screen and circuit radiating；
The circuit board module is located between the circle line and the negative pole cap, and the diameter of the circuit board module is set to
The circle line constitute the internal diameter of depression and the internal diameter of battery container between so that be stuck in the circle line side so as to it is described
Battery core is isolated；
Electrode connecting line is provided with the battery core, for the both positive and negative polarity of battery to be drawn respectively；
There is at least one through hole, the inner surface of the through hole is coated with conductive material on the circuit board module, for strengthening weldering
Intensity and increase electrical-contact area are connect, and for electrode connecting line to be drawn to be connected to circuit board module；The circuit board
Module can be used in the charge protection of the battery, charging and indicate, discharge prevention, short-circuit protection, Cross prevention for battery
And control output voltage；The insulating washer is arranged in the space of the battery container, circuit board module and negative pole cap, is squeezed
Permanent circuit plate module is pressed between the circle line and battery container, and isolates the battery container and the negative pole cap, it is described
The section of insulating washer is inShape,A part for shape be used to extruding permanent circuit plate module in the circle line and battery container it
Between, another part is used to isolate the battery container and the negative pole cap.
2. electrochemical secondary cell according to claim 1, wherein the circuit board module is an at least bar printing circuit
Plate.
3. electrochemical secondary cell according to claim 1, wherein the insulating washer is that one is flexible and elastic ring is exhausted
Edge bed course.
4. electrochemical secondary cell according to claim 1, wherein be provided with the circuit board module connector so as to
Negative pole cap is fixed on circuit board module, and realizes both electrical connections.
5. electrochemical secondary cell according to claim 4, wherein the connected mode of the circuit board module and negative pole cap
For welding.
6. electrochemical secondary cell according to claim 4, wherein the edge of the negative pole cap is provided with least two
Dop, for the negative pole cap to be fixed on into the circuit board module；The circuit board module is relative to the negative pole cap
Marginal position on side corresponding to the negative pole cap is provided with least two necks, for installing the negative pole cap.
7. electrochemical secondary cell according to claim 1, wherein depression of the circle line relative to battery casing surface
Depth is 0.2-1.2mm.
8. electrochemical secondary cell according to claim 1, wherein the positive electrode cap is integrated knot with the battery container
Structure.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510322920.XA CN104934553B (en) | 2015-06-12 | 2015-06-12 | A kind of electrochemical secondary cell for being built in charging circuit |
| PCT/CN2015/096617 WO2016197568A1 (en) | 2015-06-12 | 2015-12-08 | Electrochemical secondary battery having inbuilt charging circuit |
| EP15894823.2A EP3291328B1 (en) | 2015-06-12 | 2015-12-08 | Electrochemical secondary battery having inbuilt charging circuit |
| ES15894823T ES2742726T3 (en) | 2015-06-12 | 2015-12-08 | Secondary electrochemical battery with built-in charging circuit |
| JP2017562338A JP6522793B2 (en) | 2015-06-12 | 2015-12-08 | Secondary electrochemical cell with built-in charging circuit |
| US15/808,085 US10224582B2 (en) | 2015-06-12 | 2017-11-09 | Electrochemical secondary battery having inbuilt charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510322920.XA CN104934553B (en) | 2015-06-12 | 2015-06-12 | A kind of electrochemical secondary cell for being built in charging circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104934553A CN104934553A (en) | 2015-09-23 |
| CN104934553B true CN104934553B (en) | 2017-08-25 |
Family
ID=54121620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510322920.XA Active CN104934553B (en) | 2015-06-12 | 2015-06-12 | A kind of electrochemical secondary cell for being built in charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104934553B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2742726T3 (en) | 2015-06-12 | 2020-02-17 | Fujian Nanping Nanfu Battery | Secondary electrochemical battery with built-in charging circuit |
| CN112706616B (en) * | 2021-01-19 | 2022-08-05 | 三亚学院 | New energy automobile power battery charging protection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2881972Y (en) * | 2006-03-16 | 2007-03-21 | 惠州市德赛电池有限公司 | Cylindrical lithiumion charging battery |
| CN101604764A (en) * | 2009-07-08 | 2009-12-16 | 上海德朗能电池有限公司 | A kind of lithium battery that protective circuit is built into battery cap inside |
| CN102569681B (en) * | 2010-12-10 | 2015-11-25 | 比亚迪股份有限公司 | A kind of lithium ion battery |
| CN102694135B (en) * | 2011-03-25 | 2016-11-09 | 比亚迪股份有限公司 | The cap assembly of a kind of battery and a kind of lithium battery |
| CN204257740U (en) * | 2014-12-11 | 2015-04-08 | 武凤杰 | A kind of cylinder type lithium battery installing protective circuit additional |
| CN204668364U (en) * | 2015-06-12 | 2015-09-23 | 福建南平南孚电池有限公司 | A kind of electrochemical secondary cell being built in charging circuit |
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