CN105895850B - A kind of thermel protection device of mobile communication equipment lithium battery - Google Patents
A kind of thermel protection device of mobile communication equipment lithium battery Download PDFInfo
- Publication number
- CN105895850B CN105895850B CN201610269928.9A CN201610269928A CN105895850B CN 105895850 B CN105895850 B CN 105895850B CN 201610269928 A CN201610269928 A CN 201610269928A CN 105895850 B CN105895850 B CN 105895850B
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- CN
- China
- Prior art keywords
- case
- cap
- lithium battery
- plugged
- connecting rod
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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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/581—Devices or arrangements for the interruption of current in response to temperature
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- 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
Abstract
The invention discloses a kind of thermel protection devices of mobile communication equipment lithium battery, there are two electrode tip holders for molding on its battery core, the upper end of shell is fixedly connected with case, there are two cylindrical sockets for molding on case, the upper end of conductive column is plugged in the socket of case, lower end is plugged in the electrode tip holder of battery core, the both ends of connecting rod are separately fixed on conductive column, heat emission hole is formed on the case top end face of connecting rod both sides, cap is plugged in heat emission hole, the lower end of cap forms stud, stud is screwed onto on meltable nut, meltable nut is fixed on lid, the stud upper sleeve has compression spring, the both ends of compression spring press up against on cap and upper lid, the connecting rod is resisted against on the upper surface of cross bar, the both ends of cross bar are plugged on respectively on the cap of connecting rod both sides.The present invention will disconnect the circuit of connection when lithium battery overheats, and open simultaneously heat dissipation channel, cooling lithium battery core, the lithium battery explosion to prevent.
Description
Technical field：
The present invention relates to the technical fields of communication apparatus, more specifically to a kind of mobile communication equipment lithium battery
Thermel protection device.
Background technology：
Communication apparatus is divided into two class of wire communication equipment and wireless telecommunications system, but not pipeline communication apparatus or channel radio
It interrogates equipment and all be unable to do without power supply facilities.Mobile communication equipment is a kind of typical wireless telecommunications system, and power supply facilities is generally
The accumulator of moveable accumulator, existing mobile communication equipment is generally lithium battery, as soon as and lithium battery there are a disadvantage,
It is the generation that overheat can lead to explosion, to which its lithium battery needs the device for being provided with an overheating protection.
Invention content：
The purpose of the present invention and provides a kind of heat of mobile communication equipment lithium battery aiming at the deficiency of the prior art
Protective device will disconnect the circuit of connection when lithium battery overheats, and open simultaneously heat dissipation channel, and cooling lithium battery core is prevented
Lithium battery explosion only.
The technology solution of the present invention is as follows：
A kind of thermel protection device of mobile communication equipment lithium battery, including the shell of rectangle, upper cover and battery core, electricity
Pond core grafting inside the shell and is molded there are two cylindrical electrode tip holder, and electrode tip holder exposes the upper surface of upper cover, shell it is upper
End is fixedly connected with case, on case molding there are two cylindrical socket, the upper end of conductive column is plugged in the socket of case,
Lower end is plugged in the electrode tip holder of battery core, and the both ends of connecting rod are separately fixed on conductive column, the case top of connecting rod both sides
Heat emission hole is formed on face, cap is plugged in heat emission hole, and the lower end of cap forms stud, and stud is screwed onto meltable nut
On, meltable nut is fixed on lid, and the stud upper sleeve has compression spring, the both ends of compression spring to press up against cap and upper cover
On, the connecting rod is resisted against on the upper surface of cross bar, and the both ends of cross bar are plugged on respectively on the cap of connecting rod both sides.
The conductive column be inserted into battery core electrode tip holder depth be less than upper bottom surface on the inside of small end face to case away from
From.
The shell, upper cover, case and cross bar are all made of isolation material, and several gears are formed on the madial wall of shell
Several pillars are formed on item, inside bottom surface, form several ventholes on upper lid, between venthole blend stop adjacent with shell
Chamber be connected.
The cap is in inverted ' convex ' font, and the diameter of cap upper end outer wall is more than the diameter of heat emission hole on case,
The diameter of cap lower end outer wall is less than the diameter of heat emission hole on case.
The beneficial effects of the present invention are：
It will disconnect the circuit of connection when lithium battery overheats, and open simultaneously heat dissipation channel, cool down lithium battery core, to
The lithium battery explosion prevented.
Description of the drawings：
Fig. 1 is the three-dimensional structural schematic diagram of the present invention；
Fig. 2 is the structural schematic diagram of case position of the present invention section view；
Fig. 3 be the present invention without case when the structural schematic diagram overlooked；
Fig. 4 be the present invention without case when three-dimensional structural schematic diagram；
Fig. 5 is the structural schematic diagram that inventive shell is overlooked.
In figure：1, shell；11, blend stop；12, pillar；2, battery core；21, electrode tip holder；3, upper cover；31, venthole；4、
Case；41, socket；42, heat emission hole；5, conductive column；6, connecting rod；7, cross bar；8, cap；81, stud；9, compression spring；10, meltable spiral shell
It is female.
Specific implementation mode：
Embodiment：See shown in Fig. 1 to 5, a kind of thermel protection device of mobile communication equipment lithium battery, including rectangle is outer
Shell 1, upper cover 3 and battery core 2, battery core 2 are plugged on electrode tip holder 21 cylindrical in shell 1 and there are two moldings, electrode
Seat 21 exposes the upper surface of upper cover 3, and the upper end of shell 1 is fixedly connected with case 4, inserting there are two cylinder is molded on case 4
Seat 41, the upper end of conductive column 5 is plugged in the socket 41 of case 4, lower end is plugged in the electrode tip holder 21 of battery core 2, connecting rod 6
Both ends be separately fixed on conductive column 5, heat emission hole 42,42 interpolation of heat emission hole are formed on 4 top end face of case of 6 both sides of connecting rod
It is connected to cap 8, the lower end of cap 8 forms stud 81, and stud 81 is screwed onto on meltable nut 10, and meltable nut 10 is fixed on
On lid 3,81 upper sleeve of stud has compression spring 9, the both ends of compression spring 9 to press up against on cap 8 and upper cover 3, the company
Bar 6 is resisted against on the upper surface of cross bar 7, and the both ends of cross bar 7 are plugged on respectively on the cap 8 of 6 both sides of connecting rod.
The depth that the conductive column 5 is inserted into 2 electrode tip holder 21 of battery core is less than 6 upper surface of connecting rod to the upper bottom in 4 inside of case
The distance in face.
The shell 1, upper cover 3, case 4 and cross bar 7 are all made of isolation material, are formed on the madial wall of shell 1 several
Form several pillars 12 on root blend stop 11, inside bottom surface, form several ventholes 31 in upper cover 3, venthole 31 with it is outer
Chamber between 1 adjacent blend stop 11 of shell is connected.
The cap 8 is in inverted ' convex ' font, and the diameter of 8 upper end outer wall of cap is more than heat emission hole 42 on case 4
Diameter, the diameter of 8 lower end outer wall of cap are less than the diameter of heat emission hole 42 on case 4.
Operation principle：The present invention is additionally arranged a case 4 on the basis of existing lithium battery, is mounted in case 4
One overheat protective structure, when its case 4 when the temperature is excessively high, meltable nut 10 will melt, then cap 8 can compression spring work
It is detached from meltable nut 10 with lower, and is popped up, the heat emission hole 42 on case 4 is opened, it is horizontal while cap 8 moves upwards
Connecting rod 6 is pulled upwardly by bar 7, and conductive column 5 is made to be detached from the electrode tip holder 21 on battery core 2, realizes open circuit；
It has rectified and improved the shell of battery core 2 (shell 1 and upper cover 3) structure simultaneously, and blend stop 11 and branch are added on shell 1
Column 12, and venthole 31 is set in upper cover 3, it radiates together so as to the heat emission hole 42 on same case 4；And under normal condition
Battery core 2 shell and case 4 be a sealing structure.
Claims (4)
1. a kind of thermel protection device of mobile communication equipment lithium battery, including the shell (1) of rectangle, upper cover (3) and battery
Body (2), battery core (2) are plugged in shell (1) and are molded there are two cylindrical electrode tip holder (21), and electrode tip holder (21) exposes
The upper surface of upper cover (3), it is characterised in that：The upper end of shell (1) is fixedly connected with case (4), on case (4) there are two moldings
Cylindrical socket (41), the upper end of conductive column (5) is plugged in the socket (41) of case (4), lower end is plugged on battery core
(2) in electrode tip holder (21), the both ends of connecting rod (6) are separately fixed on conductive column (5), case (4) top of connecting rod (6) both sides
Heat emission hole (42) is formed on face, is plugged with cap (8) in heat emission hole (42), the lower end of cap (8) forms stud (81), spiral shell
Column (81) is screwed onto on meltable nut (10), and meltable nut (10) is fixed in upper cover (3), and the stud (81) upper sleeve has
The both ends of compression spring (9), compression spring (9) press up against on cap (8) and upper cover (3), and the connecting rod (6) is resisted against cross bar (7)
Upper surface on, the both ends of cross bar (7) are plugged on respectively on the cap (8) of connecting rod (6) both sides.
2. a kind of thermel protection device of mobile communication equipment lithium battery according to claim 1, it is characterised in that：It is described
The depth that conductive column (5) is inserted into battery core (2) electrode tip holder (21) is less than upper bottom surface on the inside of connecting rod (6) upper surface to case (4)
Distance.
3. a kind of thermel protection device of mobile communication equipment lithium battery according to claim 1, it is characterised in that：It is described
Shell (1), upper cover (3), case (4) and cross bar (7) are all made of isolation material, and several are formed on the madial wall of shell (1)
Several pillars (12) are formed on blend stop (11), inside bottom surface, and several ventholes (31), venthole are formed in upper cover (3)
(31) chamber between blend stop (11) adjacent with shell (1) is connected.
4. a kind of thermel protection device of mobile communication equipment lithium battery according to claim 1, it is characterised in that：It is described
Cap (8) be in inverted ' convex ' font, the diameter of cap (8) upper end outer wall is more than the diameter of heat emission hole (42) on case (4),
The diameter of cap (8) lower end outer wall is less than the diameter of heat emission hole (42) on case (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269928.9A CN105895850B (en) | 2016-04-27 | 2016-04-27 | A kind of thermel protection device of mobile communication equipment lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610269928.9A CN105895850B (en) | 2016-04-27 | 2016-04-27 | A kind of thermel protection device of mobile communication equipment lithium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105895850A CN105895850A (en) | 2016-08-24 |
| CN105895850B true CN105895850B (en) | 2018-08-10 |
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ID=56701725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610269928.9A Active CN105895850B (en) | 2016-04-27 | 2016-04-27 | A kind of thermel protection device of mobile communication equipment lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105895850B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112366385B (en) * | 2020-09-30 | 2023-03-17 | 广东广晟通信技术有限公司 | Battery thermal protection mechanism of communication equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1214482C (en) * | 2002-09-30 | 2005-08-10 | 京瓷株式会社 | Battery body |
| CN101609978A (en) * | 2008-06-20 | 2009-12-23 | 鸿富锦精密工业（深圳）有限公司 | Battery overheat protecting device and method |
| CN202259564U (en) * | 2011-09-29 | 2012-05-30 | 惠州市汉派电池科技有限公司 | High-security lithium ion battery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10233199A (en) * | 1997-02-20 | 1998-09-02 | Toshiba Battery Co Ltd | Nonaqueous electrolyte battery |
-
2016
- 2016-04-27 CN CN201610269928.9A patent/CN105895850B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1214482C (en) * | 2002-09-30 | 2005-08-10 | 京瓷株式会社 | Battery body |
| CN101609978A (en) * | 2008-06-20 | 2009-12-23 | 鸿富锦精密工业（深圳）有限公司 | Battery overheat protecting device and method |
| CN202259564U (en) * | 2011-09-29 | 2012-05-30 | 惠州市汉派电池科技有限公司 | High-security lithium ion battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105895850A (en) | 2016-08-24 |
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Effective date of registration: 20180703 Address after: 318050 Golden River Road, Hexi village, Luqiao District, Taizhou, Zhejiang Applicant after: Taizhou Baocheng Technology Service Co., Ltd. Address before: 523000 productivity building 406, high tech Industrial Development Zone, Songshan Lake, Dongguan, Guangdong Applicant before: Dongguan Lianzhou Intellectual Property Operation Management Co.,Ltd. |
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