CN204067501U - Lithium ion battery - Google Patents
Lithium ion battery Download PDFInfo
- Publication number
- CN204067501U CN204067501U CN201420460804.5U CN201420460804U CN204067501U CN 204067501 U CN204067501 U CN 204067501U CN 201420460804 U CN201420460804 U CN 201420460804U CN 204067501 U CN204067501 U CN 204067501U
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- China
- Prior art keywords
- circuit board
- lithium
- negative electrode
- electric core
- described circuit
- Prior art date
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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
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a kind of lithium ion battery, comprise lithium-ion electric core, circuit board, circuit board support and head shell, the positive electrode of circuit board and negative electrode are electrically connected fixing respectively with the positive electrode of lithium-ion electric core and negative electrode, circuit board support is located between circuit board and lithium-ion electric core, and be fixed on one end being provided with positive electrode and negative electrode of lithium-ion electric core, head shell is provided with the first container cavity, circuit board and circuit board support are contained in the first container cavity of head shell, head shell and circuit board support snapping are fixed, and be connected to one end being provided with positive electrode and negative electrode of lithium-ion electric core.Lithium ion battery provided by the utility model in whole production process head shell without the need to being fixed by encapsulating technique for sticking and miscellaneous part.
Description
Technical field
The utility model relates to field of batteries, particularly relates to lithium ion battery.
Background technology
Mancarried electronic aid small or thin type, this trend require as its power supply battery or battery pack is small-sized, thin type and high capacity.As the small-sized and battery of high capacity, lithium ion battery is widely applied because of high voltage, high-energy-density.Usually need in the conventional packaging process of lithium ion battery to fix the parts such as lithium-ion electric core and head glue shell and/or the parts such as circuit board and head glue shell by encapsulating technique for sticking, but encapsulating technique for sticking glue used can cause environmental pollution to a certain degree.
Utility model content
Main purpose of the present utility model is to solve the technical problem that between the lithium-ion electric core of lithium ion battery and miscellaneous part, efficiency of assembling is low.
For achieving the above object, the utility model provides a kind of lithium ion battery, comprise lithium-ion electric core, circuit board, circuit board support and head shell, described circuit board comprises the circuit board body with relative first surface and second, the first surface of described circuit board body is towards described lithium-ion electric core, described circuit board is provided with positive electrode and negative electrode at the first surface of described circuit board body, one end of described lithium-ion electric core is provided with positive electrode and negative electrode, the positive electrode of described circuit board and negative electrode are electrically connected fixing respectively with the positive electrode of described lithium-ion electric core and negative electrode, described circuit board support is located between described circuit board and described lithium-ion electric core, and be fixed on one end being provided with positive electrode and negative electrode of described lithium-ion electric core, described head shell is provided with the first container cavity, described circuit board and described circuit board support are contained in the first container cavity of described head shell, described head shell and described circuit board support snapping are fixed, and be connected to one end being provided with positive electrode and negative electrode of described lithium-ion electric core.
Preferably, described circuit board support is provided with the multiple buckle portions extended towards the chamber wall of described first container cavity, the chamber wall of described first container cavity just offers multiple hole to described multiple buckle portion, and multiple buckle portions of described circuit board support engage snapping respectively and fix to make described head shell and described circuit board support with the multiple holes on the chamber wall of described first container cavity.
Preferably, described circuit board support has the first relative side and the second side, first side opening of described circuit board support is provided with the second container cavity, described circuit board is also provided with electronic devices and components at the first surface of described circuit board body, and described electronic devices and components are contained in the second container cavity of described circuit board support.
Preferably, described circuit board support is provided with multiple reinforcement in described second container cavity, and the two ends of described reinforcement are connected to the two relative chamber walls of described second container cavity respectively.
Preferably, described circuit board support has the first relative side and the second side, first side of described circuit board support is connected to the first surface of described circuit board body, and the second side of described circuit board support is connected to one end being provided with positive electrode and negative electrode of described lithium-ion electric core.
Preferably, the first side of described circuit board support and one end being provided with positive electrode and negative electrode of described lithium-ion electric core are adhesively fixed.
Preferably, described head shell has two relative Extendible flakes at the free end of the chamber wall of described first container cavity towards described lithium-ion electric core is extended, described head shell be connected to described lithium-ion electric core be provided with one end of positive electrode and negative electrode time, fit in the outside of two described Extendible flakes and described lithium-ion electric core.
Preferably, described circuit board main body and described circuit board support are strip, described circuit board has a negative electrode pole piece and two positive electrode pole pieces at the first surface of described circuit board main body towards described lithium-ion electric core is extended, described negative electrode pole piece is just to the negative electrode of described lithium-ion electric core, two described positive electrode pole pieces are located at the two ends of described circuit board main body, described two positive electrode pole pieces and described circuit board main body are around formation one storage tank, described circuit board support is placed in described storage tank, described circuit board support offers just to the first through hole of the negative electrode of described lithium-ion electric core, described negative electrode pole piece is welded and fixed through the negative electrode of described first through hole and described lithium-ion electric core, the positive electrode of described two positive electrode pole pieces and described lithium-ion electric core is welded and fixed.
Preferably, described circuit board main body offers the second through hole near described negative electrode pole piece, and the position that the negative electrode of described negative electrode pole piece and described lithium-ion electric core is welded and fixed is just to described second through hole.
Preferably, described circuit board is provided with multiple electric contact in the second face of described circuit board main body, described head shell just offers multiple contact window to multiple electric contacts of described circuit board, described head shell be connected to described lithium-ion electric core be provided with one end of positive electrode and negative electrode time, multiple electric contacts of described circuit board expose from multiple contact window of described head shell.
Lithium ion battery provided by the utility model only needs when producing the one end being provided with positive electrode and negative electrode first circuit board support being fixed on lithium-ion electric core, again the positive electrode of circuit board and negative electrode are electrically connected fixing with the positive electrode of lithium-ion electric core and negative electrode respectively, then head shell and circuit board support snapping are fixed, in whole production process, head shell is without the need to fixing by encapsulating technique for sticking and miscellaneous part.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model lithium ion battery one embodiment;
Fig. 2 is the exploded perspective view of lithium ion battery in Fig. 1;
Fig. 3 is the part blast of lithium ion battery in Fig. 2, the structural representation of sections fit;
Fig. 4 is the structural representation of the circuit board of lithium ion battery in Fig. 2;
Fig. 5 is the structural representation of the head shell of lithium ion battery in Fig. 2;
Fig. 6 is the structural representation of the circuit board support of lithium ion battery in Fig. 2.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of lithium ion battery.
Referring to figs. 1 through Fig. 5, in one embodiment, this lithium ion battery comprises lithium-ion electric core 10, circuit board 30, circuit board support 20 and head shell 40, wherein, circuit board 30 comprises and has relative first surface 36 and the circuit board body 35 in the second face 37, the first surface 36 of circuit board body 35 is towards lithium-ion electric core 10, circuit board 30 is provided with positive electrode 31 and negative electrode 32 at the first surface 36 of circuit board body 35, one end of lithium-ion electric core 10 is provided with positive electrode 12 and negative electrode 11, the positive electrode 31 of circuit board 30 and negative electrode 32 are electrically connected fixing respectively with the positive electrode 12 of lithium-ion electric core 10 and negative electrode 11, circuit board support 20 is located between circuit board 30 and lithium-ion electric core 10, and be fixed on one end being provided with positive electrode 12 and negative electrode 11 of lithium-ion electric core 10, head shell 40 is provided with the first container cavity 44, circuit board 30 and circuit board support 20 are contained in the first container cavity 44 of head shell 40, head shell 40 and circuit board support 20 snapping are fixed, and be connected to one end being provided with positive electrode 12 and negative electrode 11 of lithium-ion electric core 10.
The lithium ion battery that the present embodiment provides only needs when producing the one end being provided with positive electrode 12 and negative electrode 11 first circuit board support 20 being fixed on lithium-ion electric core 10, again the positive electrode 31 of circuit board 30 and negative electrode 32 are electrically connected fixing with the positive electrode 12 of lithium-ion electric core 10 and negative electrode 11 respectively, then head shell 40 and circuit board support 20 snapping are fixed, in whole production process, head shell 40 is without the need to fixing by encapsulating technique for sticking and miscellaneous part, simplify production technology, improve production efficiency.
Concrete, in the present embodiment, circuit board support 20 is provided with the multiple buckle portions 21 extended towards the chamber wall of the first container cavity 44, the chamber wall of the first container cavity 44 just offers multiple hole 41 to multiple buckle portion 21, and multiple buckle portions 21 of circuit board support 20 engage snapping respectively and fix with circuit board support 20 to make head shell 40 with the multiple holes 41 on the chamber wall of the first container cavity 44.In the present embodiment, circuit board support 20 is strip, and buckle portion 21 is located at the outside on two long limits of circuit board support 20; The hole 41 of head shell 40 is through hole, to make the buckle portion 21 when head shell 40 is fixed with circuit board support 20 snapping pass hole 41, guarantees the fastness be connected between head shell 40 with circuit board support 20.It is emphasized that in other embodiments, the hole 41 of head shell 40 can also be blind hole, has better outward appearance to make lithium ion battery.
In the present embodiment, circuit board support 20 has the first relative side 25 and the second side 26, first side 25 of circuit board support 20 offers the second container cavity 22, circuit board 30 is also provided with electronic devices and components (not shown) at the first surface 36 of circuit board body 35, the electronic devices and components of circuit board 30 are contained in the second container cavity 22 of circuit board support 20, on the one hand circuit board support 20 can the electronic devices and components of protective circuit plate 30 not be damaged or attract dust etc., the space of lithium ion battery can be saved on the other hand, guarantee that lithium ion battery has less volume.
In the present embodiment, circuit board support 20 is provided with multiple reinforcement 23 in the second container cavity 22, the two ends of this reinforcement 23 are connected to the two relative chamber walls of the second container cavity 22 respectively, to ensure that circuit board support 20 has stronger rigidity, circuit board support 20 in the process of assembling is avoided to occur the phenomenon of deformation.
Further, the first side 25 of circuit board support 20 is connected to the first surface 36 of circuit board body 35, and the second side 26 of circuit board support 20 is connected to one end being provided with positive electrode 12 and negative electrode 11 of lithium-ion electric core 10.In the present embodiment, circuit board 30 is strip, circuit board support 20 is made up of insulating material, first side 25 of circuit board support 20 and the second side 26 abut circuit board 30 and lithium-ion electric core 10 respectively, the effect of support circuit plate 30 can be played on the one hand, prevent the centre of strip circuit board 30 in the process of assembling from occurring the phenomenon of Dish deformation, thus ensure the reliability of lithium ion battery, can guarantee effectively to be insulated between the electronic devices and components of circuit board 30 and lithium-ion electric core 10 to isolate on the other hand.
In the present embodiment, the first side 25 of circuit board support 20 is adhesively fixed with one end being provided with positive electrode 12 and negative electrode 11 of lithium-ion electric core 10.Preferably, the second side 26 of circuit board support 20 is plane, to make there is larger bond area between the second side 26 of circuit board support 20 and lithium-ion electric core 10, thus ensures that adhesive effect is between the two good.In the present embodiment, the second side 26 of circuit board support 20 and one end being provided with positive electrode 12 and negative electrode 11 of lithium-ion electric core 10 can be fixing by double faced adhesive tape or super glue etc.
In the present embodiment, head shell 40 has two relative Extendible flakes 42 at the free end of the chamber wall of the first container cavity 44 towards lithium-ion electric core 10 is extended, head shell 40 be connected to lithium-ion electric core 10 be provided with one end of positive electrode 12 and negative electrode 11 time, two Extendible flakes 42 are fitted with the outside of lithium-ion electric core 10, thus make head shell 40, circuit board 30, circuit board support 20 and lithium-ion electric core 10 form a firm construction package; In addition, the existence of head shell 40 can play the effect of isolation protective circuit plate 30 and circuit board support 20 to a certain extent.
Concrete, in the present embodiment, circuit board main body 35 and circuit board support 20 are strip, circuit board 30 has a negative electrode pole piece 32 and two positive electrode pole pieces 31 at the first surface of circuit board main body 35 towards lithium-ion electric core 10 is extended, wherein, negative electrode pole piece 32 is just to the negative electrode 11 of lithium-ion electric core 10, two positive electrode pole pieces 32 are located at the two ends of circuit board main body 35, two positive electrode pole pieces 32 and circuit board main body 35 are around formation one storage tank 38, circuit board support 20 is placed in this storage tank 38, circuit board support 20 offers just to the first through hole 24 of the negative electrode 11 of lithium-ion electric core 10, negative electrode pole piece 32 is welded and fixed with the negative electrode 11 of lithium-ion electric core 10 through this first through hole 24, two positive electrode pole pieces 31 are welded and fixed with the positive electrode 12 of lithium-ion electric core 10.In the present embodiment, the negative electrode 11 of lithium-ion electric core 10 is located at the side that it is provided with one end of electrode, and the part except the position of negative electrode 11 being provided with one end of electrode of lithium-ion electric core 10 is its positive electrode 12, the positive electrode pole piece 31 of circuit board 30 is " L " type with negative electrode pole piece 32 from the outward extending part in position be connected with circuit board main body 35, so that positive electrode pole piece 31 and negative electrode pole piece 32 are welded and fixed by laser electric welding machine with the positive electrode 12 of lithium-ion electric core 10 and negative electrode 11 respectively.
In the present embodiment, circuit board main body 35 offers the second through hole 33 near negative electrode pole piece 32, wherein, the position that negative electrode pole piece 32 and the negative electrode 11 of lithium-ion electric core 10 are welded and fixed just to the second through hole 33, with the negative electrode 11 making staff can be welded and fixed negative electrode pole piece 32 and lithium-ion electric core 10 easily by the second through hole 33.
In the present embodiment, circuit board 30 is provided with multiple electric contact 34 in the second face 37 of circuit board main body 35 (have part to be electrically connected with negative electrode pole piece 32 in the plurality of electric contact 34, remaining is electrically connected with positive electrode pole piece 31), head shell 40 just offers multiple contact window 43 to multiple electric contacts 34 of circuit board 30, head shell 40 be connected to lithium-ion electric core 10 be provided with one end of positive electrode 12 and negative electrode 11 time, multiple electric contacts 34 of circuit board 30 expose from multiple contact window 43 of head shell 40, the electric contact 34 that can pass through to make lithium ion battery to expose from contact window 43 is to relevant power electronic equipment, in the present embodiment, head shell 40 is made up of insulating material, and especially, head shell 40 can be plastic cement shell.
These are only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. a lithium ion battery, it is characterized in that, described lithium ion battery comprises lithium-ion electric core, circuit board, circuit board support and head shell, described circuit board comprises the circuit board body with relative first surface and second, the first surface of described circuit board body is towards described lithium-ion electric core, described circuit board is provided with positive electrode and negative electrode at the first surface of described circuit board body, one end of described lithium-ion electric core is provided with positive electrode and negative electrode, the positive electrode of described circuit board and negative electrode are electrically connected fixing respectively with the positive electrode of described lithium-ion electric core and negative electrode, described circuit board support is located between described circuit board and described lithium-ion electric core, and be fixed on one end being provided with positive electrode and negative electrode of described lithium-ion electric core, described head shell is provided with the first container cavity, described circuit board and described circuit board support are contained in the first container cavity of described head shell, described head shell and described circuit board support snapping are fixed, and be connected to one end being provided with positive electrode and negative electrode of described lithium-ion electric core.
2. lithium ion battery as claimed in claim 1, it is characterized in that, described circuit board support is provided with the multiple buckle portions extended towards the chamber wall of described first container cavity, the chamber wall of described first container cavity just offers multiple hole to described multiple buckle portion, and multiple buckle portions of described circuit board support engage snapping respectively and fix to make described head shell and described circuit board support with the multiple holes on the chamber wall of described first container cavity.
3. lithium ion battery as claimed in claim 1, it is characterized in that, described circuit board support has the first relative side and the second side, first side opening of described circuit board support is provided with the second container cavity, described circuit board is also provided with electronic devices and components at the first surface of described circuit board body, and described electronic devices and components are contained in the second container cavity of described circuit board support.
4. lithium ion battery as claimed in claim 3, it is characterized in that, described circuit board support is provided with multiple reinforcement in described second container cavity, and the two ends of described reinforcement are connected to the two relative chamber walls of described second container cavity respectively.
5. lithium ion battery as claimed in claim 1, it is characterized in that, described circuit board support has the first relative side and the second side, first side of described circuit board support is connected to the first surface of described circuit board body, and the second side of described circuit board support is connected to one end being provided with positive electrode and negative electrode of described lithium-ion electric core.
6. lithium ion battery as claimed in claim 5, it is characterized in that, the first side of described circuit board support and one end being provided with positive electrode and negative electrode of described lithium-ion electric core are adhesively fixed.
7. lithium ion battery as claimed in claim 1, it is characterized in that, described head shell has two relative Extendible flakes at the free end of the chamber wall of described first container cavity towards described lithium-ion electric core is extended, described head shell be connected to described lithium-ion electric core be provided with one end of positive electrode and negative electrode time, fit in the outside of two described Extendible flakes and described lithium-ion electric core.
8. lithium ion battery as claimed in claim 1, it is characterized in that, described circuit board main body and described circuit board support are strip, described circuit board has a negative electrode pole piece and two positive electrode pole pieces at the first surface of described circuit board main body towards described lithium-ion electric core is extended, described negative electrode pole piece is just to the negative electrode of described lithium-ion electric core, two described positive electrode pole pieces are located at the two ends of described circuit board main body, described two positive electrode pole pieces and described circuit board main body are around formation one storage tank, described circuit board support is placed in described storage tank, described circuit board support offers just to the first through hole of the negative electrode of described lithium-ion electric core, described negative electrode pole piece is welded and fixed through the negative electrode of described first through hole and described lithium-ion electric core, the positive electrode of described two positive electrode pole pieces and described lithium-ion electric core is welded and fixed.
9. lithium ion battery as claimed in claim 8, it is characterized in that, described circuit board main body offers the second through hole near described negative electrode pole piece, and the position that the negative electrode of described negative electrode pole piece and described lithium-ion electric core is welded and fixed is just to described second through hole.
10. lithium ion battery as claimed in claim 1, it is characterized in that, described circuit board is provided with multiple electric contact in the second face of described circuit board main body, described head shell just offers multiple contact window to multiple electric contacts of described circuit board, described head shell be connected to described lithium-ion electric core be provided with one end of positive electrode and negative electrode time, multiple electric contacts of described circuit board expose from multiple contact window of described head shell.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420460804.5U CN204067501U (en) | 2014-08-14 | 2014-08-14 | Lithium ion battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420460804.5U CN204067501U (en) | 2014-08-14 | 2014-08-14 | Lithium ion battery |
Publications (1)
Publication Number | Publication Date |
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CN204067501U true CN204067501U (en) | 2014-12-31 |
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ID=52208953
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420460804.5U Expired - Fee Related CN204067501U (en) | 2014-08-14 | 2014-08-14 | Lithium ion battery |
Country Status (1)
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CN (1) | CN204067501U (en) |
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2014
- 2014-08-14 CN CN201420460804.5U patent/CN204067501U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20180814 |
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CF01 | Termination of patent right due to non-payment of annual fee |