CN105977577B - A kind of battery overheat protecting device - Google Patents
A kind of battery overheat protecting device Download PDFInfo
- Publication number
- CN105977577B CN105977577B CN201610555549.6A CN201610555549A CN105977577B CN 105977577 B CN105977577 B CN 105977577B CN 201610555549 A CN201610555549 A CN 201610555549A CN 105977577 B CN105977577 B CN 105977577B
- Authority
- CN
- China
- Prior art keywords
- overheating protection
- connecting rod
- crossbar
- plugged
- case
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- 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
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
-
- 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
- H01M50/30—Arrangements for facilitating escape of gases
-
- 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
-
- 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 battery overheat protecting device, including the shell of rectangle, upper cover and battery core, battery core is plugged in shell and there are two cylindrical electrode tip holders for molding upwards；The upper end of shell is fixedly connected with case, is molded in the middle part of the upper surface of case there are two socket, there are two heat emission holes for both ends molding；Conductive column is plugged in socket, the upper end of conductive column is fixedly connected with first crossbar, and the middle part lower end of first crossbar is fixedly connected with compression spring；Sealing cover is plugged in heat emission hole; the lower end of sealing cover is molded the connecting rod extended in oriented case; second crossbar is fixedly connected in connecting rod; the lower end of connecting rod is connected with overheating protection bar; the lower end of overheating protection bar forms laterally protruding clamping block; clamping block is connected on overheating protection seat, and an expanding block is equipped in overheating protection seat.The present invention can disconnect circuit when battery overheats automatically, open simultaneously heat dissipation channel, cooling battery core.
Description
Technical field：
The present invention relates to the technical fields of communication apparatus, are specifically related to a kind of battery overheat protecting dress of communication apparatus
It sets.
Background technology：
Communication apparatus is generally divided into two class of wire communication equipment and wireless telecommunications system, wire communication equipment and wireless telecommunications
Equipment all be unable to do without power supply facilities.Mobile communication equipment is a kind of typical wireless telecommunications system, and power supply facilities generally can
The accumulator of mobile accumulator, existing mobile communication equipment is generally lithium battery, and there are a disadvantages for lithium battery, are exactly
Overheat can lead to the generation of explosion, to need the device that overheating protection is arranged to avoid the generation of explosion danger.
Invention content：
The purpose of the present invention aims to solve the problem that problem of the existing technology, can the company of disconnection automatically when providing a kind of battery overheat
Circuit is connect, heat dissipation channel is opened simultaneously, cooling battery core prevents the battery overheat protecting device of battery explosion.
The present invention relates to a kind of battery overheat protecting device, including the shell of rectangle, upper cover and battery core, the batteries
Core is plugged in the shell and there are two cylindrical electrode tip holders, the electrode tip holder to expose the upper end of upper cover for molding upwards
Face；The upper end of shell is fixedly connected with case, and there are two there are two socket, both ends moldings for molding in the middle part of the upper surface of the case
Heat emission hole, the socket and heat emission hole are located in same horizontal line；
Conductive column is plugged in socket, the upper end of the conductive column is plugged in socket, lower end is plugged on battery core
In electrode tip holder, the upper end of conductive column exposes socket and is fixedly connected with first crossbar, and the both ends of the first crossbar are fixed respectively
On two conductive columns, the middle part lower end of first crossbar is fixedly connected with compression spring, and the lower end of the compression spring is fixedly connected on case
On；
Sealing cover is plugged in heat emission hole, the lower end of the sealing cover is molded the connecting rod extended in oriented case, described
Second crossbar is fixedly connected in connecting rod, the both ends of the second crossbar are separately fixed in connecting rod and conductive column, connection
The lower end of bar is connected with overheating protection bar, and the overheating protection bar can move horizontally in connecting rod relative to connecting rod, overheat
The lower end of guard bar forms laterally protruding clamping block, and the clamping block is connected on overheating protection seat, the overheating protection
Seat is fixed on lid, an expanding block is equipped in overheating protection seat, the lower end of the expanding block is contacted with upper cover, card is close in side
Connect block, when expanding block expanded by heating, expanding block can open-top clamping block and make clamping block be detached from overheating protection seat.
By above-mentioned technical proposal, the present invention is additionally arranged a case on the basis of battery of existing communication apparatus,
It is mounted with an overtemperature protection system in case, when work, when battery core overheat causes upper cover to overheat, overheating protection seat
Interior expanding block expanded by heating simultaneously pushes up the clamping block of overheating protection bar outward, when expanding block is expanded to a certain degree, clamping block
It is detached from overheating protection seat, overheating protection bar drives connecting rod and sealing cover to pop up, and sealing cover pop-up is caused to open on case
Heat emission hole, at the same time, connecting rod, which pops up, drives second crossbar to pull up two conductive columns and move up, and makes conductive column
Lower end is detached from the electrode tip holder on battery core, and to realize open circuit, in the process, compression spring rebound drives first crossbar to upspring
It rises, first crossbar pulls two conductive columns more rapidly to leave electrode tip holder, and realization is quick break.
Through the above scheme, battery Thermal protection mechanism of the invention can disconnect circuit when battery overheats automatically, together
When open heat dissipation channel, cooling battery core prevents battery explosion, ensure that production safety.
Preferably, the connecting rod lower end forms horizontal inserting groove to one kind as the present invention, overheating protection bar it is upper
End forms the cutting coordinated with the inserting groove, and the end of the cutting forms a pair of of limited block, cutting and its limit up and down
Position block is plugged in the inserting groove, and forming a pair of and limited block on the connecting rod outer wall of both sides above and below inserting groove coordinates
Positive stop strip.By said program, expanding block is during open-top clamping block, in the cutting and cutting of overheating protection bar upper end
Limited block moves from inside to outside in the inserting groove of connecting rod, and when being moved to grafting notch, the positive stop strip in connecting rod hinders limited block
Gear, thus limits overheating protection bar, to make overheating protection bar not depart from connecting rod.
One kind as the present invention is preferably connected between the connecting rod and overheating protection bar by spring, the spring
Upper and lower ends be separately fixed at connecting rod lower end and overheating protection bar upper end.By said program, expanding block is in open-top card
During connecing block, the upper end of overheating protection bar pulls spring, spring to deform upon, when clamping block is detached from overheating protection seat,
Spring restores under the effect of elasticity again.
One kind as the present invention preferably, be close between clamping block, the other side and overheating protection seat by the side of the expanding block
Every setting.By said program, expanding block is in expansion process, and the open-top clamping block in side of expanding block, the other side is overheated with it
It is expanded in the gap of protecting seat.
Preferably, the sealing cover is in inverted convex shape to one kind as the present invention, and the diameter of sealing cover upper end outer wall is big
It is less than the diameter of heat emission hole in the diameter of heat emission hole, the diameter of lower end connecting rod.
Preferably, the second crossbar is located in case one kind as the present invention, and first crossbar and second crossbar are by exhausted
Edge material is made；The overheating protection seat is made of heat-resisting material, and overheating protection seat, shell, upper cover, case and expanding block are equal
It is made of insulating materials；Socket on the case is cylinder.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after coordinating attached drawing to be described in detail such as.
Description of the drawings：
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein：
Fig. 1 is the structural schematic diagram of shell in the present invention；
Fig. 2 is the sectional view of embodiment one in the present invention；
Fig. 3 is the partial structural diagram of Fig. 2；
Fig. 4 is the enlarged diagram at A in Fig. 3；
Fig. 5 is the sectional view of embodiment two in the present invention；
Fig. 6 is the local structural scheme of mechanism of Fig. 5；
Fig. 7 be the present invention without case when vertical view.
Specific implementation mode：
With reference to the accompanying drawings and examples, the specific implementation mode of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
Referring to Fig. 1, Fig. 3, Fig. 6, a kind of battery overheat protecting device of the present invention, including the shell 10 of rectangle, on
Lid 20 and battery core 30, the battery core 30 is plugged in the shell 10 and there are two cylindrical electrodes for molding upwards
Seat 31, the electrode tip holder 31 expose the upper surface of upper cover 20, and the upper end of shell 10 is fixedly connected with case 40, the case it is upper
It is molded in the middle part of end face there are two cylindrical socket 41, there are two heat emission hole 42, the socket 41 and heat emission holes 42 for both ends molding
In same horizontal line.
Referring to Fig. 3, Fig. 6, Fig. 7, conductive column 50 is plugged in socket 41, the upper end of the conductive column is plugged on socket 41
Interior, lower end is plugged in the electrode tip holder 31 of battery core 30, and the upper end of conductive column 50 exposes socket 41 and is fixedly connected with first
The both ends of cross bar 61, the first crossbar are separately fixed on two conductive columns 50, and the middle part lower end of first crossbar is fixedly connected
There are compression spring 70, the lower end of the compression spring to be fixedly connected on case 40.
Referring to Fig. 3, Fig. 6, sealing cover 80 is plugged in heat emission hole 42, the lower end of the sealing cover, which is molded in oriented case, prolongs
The connecting rod 81 stretched, sealing cover 80 are in inverted convex shape, the diameter of 80 upper end outer wall of sealing cover be more than heat emission hole 42 diameter,
The diameter of lower end connecting rod 81 is less than the diameter of heat emission hole 42, and second crossbar 62 is fixedly connected in the connecting rod 81, described
Second crossbar is located in case 40, and the both ends of second crossbar 62 are separately fixed in connecting rod 81 and conductive column 50, connecting rod 81
Lower end be connected with overheating protection bar 90, the overheating protection bar can move horizontally in connecting rod 81 relative to connecting rod 81,
The lower end of overheating protection bar 90 forms laterally protruding clamping block 91, and the clamping block is connected on overheating protection seat 100, institute
State overheating protection seat to be fixed in upper cover 20, be equipped with an expanding block 200 in overheating protection seat 100, the lower end of the expanding block with
Clamping block 91 is close in the contact of upper cover 20, side, and clamping block 91, the other side and overheating protection seat 100 are close in the side of expanding block 200
Interval setting, when 200 expanded by heating of expanding block, expanding block can open-top clamping block 91 and make clamping block be detached from overheating protection seat
100。
In the present invention, first crossbar 61 and second crossbar 62 are made of insulating materials, and the overheating protection seat 100 is by resistance to
High-temperature material is made, and overheating protection seat 100, shell 10, upper cover 20, case 40 and expanding block 200 are made of insulating materials.
Embodiment one
Referring to Fig. 2 to Fig. 4,81 lower end of the connecting rod forms horizontal inserting groove 82, the upper end of overheating protection bar 90
Form the cutting 92 coordinated with the inserting groove, the end of the cutting forms a pair of of limited block 93 up and down, cutting 92 and
Its limited block 93 is plugged in the inserting groove 82, and a pair of and institute is formed on 81 outer wall of connecting rod of about 82 both sides of inserting groove
State the positive stop strip 83 of the cooperation of limited block 93.By said program, expanding block 200 is during open-top clamping block 91, overheating protection
The cutting 92 of 90 upper end of bar and the limited block 93 in cutting move from inside to outside in the inserting groove 82 of connecting rod 81, are moved to inserting groove
At 82 mouthfuls, the positive stop strip 83 in connecting rod 81 stops limited block 93, is thus limited to overheating protection bar 90, to make
Thermal protection bar 90 does not depart from connecting rod 81.
Embodiment two
Referring to Fig. 5, Fig. 6, connected by spring 300 between the connecting rod 81 and overheating protection bar 90, the spring
Upper and lower ends are separately fixed at the upper end of the lower end and overheating protection bar 90 of connecting rod 81.By said program, expanding block 300 is pushing up
During opening clamping block 91, the upper end of overheating protection bar 90 pulls spring 300, and spring deforms upon, and waits for that clamping block 91 is detached from
When overheating protection seat 100, spring 300 restores under the effect of elasticity again.
The present invention is additionally arranged a case 40 on the basis of the battery of existing communication apparatus, and one is mounted in case
A overtemperature protection system, when work, when the overheat of battery core 30 causes upper cover 20 to overheat, the expansion in overheating protection seat 100
200 expanded by heating of block simultaneously pushes up the clamping block of overheating protection bar 90 91 outward, when expanding block 200 is expanded to a certain degree, clamping
Block 91 is detached from overheating protection seat 100, and overheating protection bar 90 drives connecting rod 81 and sealing cover 80 to pop up, causes sealing cover 80
The heat emission hole 42 on case 40 is opened in pop-up, and at the same time, connecting rod 81, which pops up, drives second crossbar 62 to pull up two
A conductive column 50 moves up, and the lower end of conductive column 50 is made to be detached from the electrode tip holder 31 on battery core 30, to realize open circuit, mistake herein
Cheng Zhong, compression spring 70 rebound drive first crossbar 61 pop up, first crossbar 61 pull two conductive columns 50 more rapidly from
Electrode tip holder 31 is opened, realization is quick break.
In conclusion the battery Thermal protection mechanism of the present invention can disconnect circuit when battery overheats automatically, beat simultaneously
Heat dissipation channel is opened, cooling battery core prevents battery explosion, ensure that production safety.
Battery overheat protecting device provided by the present invention, only specific implementation mode of the invention, but the guarantor of the present invention
Shield range is not limited thereto, and any one skilled in the art in the technical scope disclosed by the present invention, can be light
It is readily conceivable that change or replacement, should all cover within the scope of the present invention.Therefore, protection scope of the present invention should be with the power
Subject to the protection domain that profit requires.
Claims (6)
1. a kind of battery overheat protecting device, including the shell (10) of rectangle, upper cover (20) and battery core (30), the battery
Core is plugged in the shell (10) and there are two cylindrical electrode tip holders (31), the electrode tip holder to expose upper cover for molding upwards
(20) upper surface, it is characterised in that：
The upper end of shell (10) is fixedly connected with case (40), in the middle part of the upper surface of the case molding there are two socket (41),
There are two heat emission holes (42) for both ends molding, and the socket (41) and heat emission hole (42) are located in same horizontal line；
Conductive column (50) is plugged in socket (41), the upper end of the conductive column is plugged in socket (41), lower end is plugged on electricity
In the electrode tip holder (31) of pond core (30), the upper end of conductive column (50) exposes socket (41) and is fixedly connected with first crossbar
(61), the both ends of the first crossbar are separately fixed on two conductive columns (50), and the middle part lower end of first crossbar is fixedly connected
There are compression spring (70), the lower end of the compression spring to be fixedly connected on case (40)；
Sealing cover (80) is plugged in heat emission hole (42), the lower end of the sealing cover is molded the connecting rod extended in oriented case
(81), second crossbar (62) is fixedly connected in the connecting rod, the both ends of the second crossbar are separately fixed at connecting rod
(81) and on conductive column (50), the lower end of connecting rod (81) is connected with overheating protection bar (90), and the overheating protection bar can be even
Extension bar moves horizontally on (81) relative to connecting rod, and the lower end of overheating protection bar (90) forms laterally protruding clamping block
(91), the clamping block is connected on overheating protection seat (100), and the overheating protection seat is fixed in upper cover (20), and overheat is protected
An expanding block (200) is equipped in guard housing (100), the lower end of the expanding block is contacted with upper cover (20), clamping block is close in side
(91), when expanding block (200) expanded by heating, expanding block can open-top clamping block (91) and make clamping block be detached from overheating protection seat
(100)；
Connecting rod (81) lower end forms horizontal inserting groove (82), the upper end of overheating protection bar (90) form with it is described
The cutting (92) of inserting groove (82) cooperation, the end of the cutting form a pair of of limited block (83) up and down, cutting (92) and its
Limited block (83) is plugged in the inserting groove (82), inserting groove form on connecting rod (81) outer wall of both sides up and down it is a pair of with
The positive stop strip (93) of limited block (83) cooperation；
It is connect by spring (300) between the connecting rod (81) and overheating protection bar (90), the upper and lower ends point of the spring
It is not fixed on the upper end of the lower end and overheating protection bar (90) of connecting rod (81).
2. battery overheat protecting device according to claim 1, it is characterised in that：The side of the expanding block (200) is tight
Clamping block (91), the other side and overheating protection seat (100) interval is pasted to be arranged.
3. battery overheat protecting device according to claim 2, it is characterised in that：The sealing cover (80) is in inverted convex
Font, the diameter of sealing cover upper end outer wall is more than the diameter of heat emission hole (42), the diameter of lower end connecting rod (81) is less than heat emission hole
(42) diameter.
4. battery overheat protecting device according to claim 1, it is characterised in that：The second crossbar (62) is located at case
(40) in, first crossbar (61) and second crossbar (62) are made of insulating materials.
5. battery overheat protecting device according to claim 1, it is characterised in that：The overheating protection seat (100) is by resistance to
High-temperature material is made, and overheating protection seat (100), shell (40), upper cover (20), case (40) and expanding block (200) are by insulation
Material is made.
6. battery overheat protecting device according to claim 1, it is characterised in that：Socket (41) on the case (40)
It is cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610555549.6A CN105977577B (en) | 2016-07-12 | 2016-07-12 | A kind of battery overheat protecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610555549.6A CN105977577B (en) | 2016-07-12 | 2016-07-12 | A kind of battery overheat protecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105977577A CN105977577A (en) | 2016-09-28 |
| CN105977577B true CN105977577B (en) | 2018-07-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610555549.6A Expired - Fee Related CN105977577B (en) | 2016-07-12 | 2016-07-12 | A kind of battery overheat protecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105977577B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6493352B2 (en) * | 2016-10-13 | 2019-04-03 | トヨタ自動車株式会社 | Secondary battery |
| CN109004294A (en) * | 2018-06-21 | 2018-12-14 | 枣庄亿新电子科技有限公司 | A kind of lithium battery overtemperature protection system |
| CN112203452B (en) * | 2020-09-16 | 2021-09-24 | 嘉兴市松茂电子有限公司 | Data collection protection device with over-temperature protection function |
| CN113320885B (en) * | 2021-05-19 | 2022-05-24 | 东莞市技师学院(东莞市高级技工学校) | New energy automobile battery centralized management conveyor |
| CN113437450B (en) * | 2021-07-13 | 2022-06-10 | 深圳市华天通科技有限公司 | Multicore cell-phone lithium cell |
| CN113809888B (en) * | 2021-08-25 | 2023-06-23 | 安徽微特电机科技有限公司 | Single-shaft motor and control system thereof |
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| CN201146210Y (en) * | 2007-12-25 | 2008-11-05 | 比亚迪股份有限公司 | Battery heat protective equipment and battery including the same |
| CN203746962U (en) * | 2013-10-10 | 2014-07-30 | 王文林 | Thermal protection polar body of power battery |
| CN204290288U (en) * | 2014-12-04 | 2015-04-22 | 张战 | A kind of battery overheat protecting device |
| CN205811012U (en) * | 2016-07-12 | 2016-12-14 | 佛山市联智新创科技有限公司 | A kind of battery overheat protecting device |
-
2016
- 2016-07-12 CN CN201610555549.6A patent/CN105977577B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201146210Y (en) * | 2007-12-25 | 2008-11-05 | 比亚迪股份有限公司 | Battery heat protective equipment and battery including the same |
| CN203746962U (en) * | 2013-10-10 | 2014-07-30 | 王文林 | Thermal protection polar body of power battery |
| CN204290288U (en) * | 2014-12-04 | 2015-04-22 | 张战 | A kind of battery overheat protecting device |
| CN205811012U (en) * | 2016-07-12 | 2016-12-14 | 佛山市联智新创科技有限公司 | A kind of battery overheat protecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105977577A (en) | 2016-09-28 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180615 Address after: No. 18, Yingbin Avenue, Zhaoqing high tech Zone, Guangdong, Guangdong Applicant after: Zhaoqing Ao excellent Power Battery Co. Address before: 528200 Foshan, Guangdong, Foshan, Guicheng, Nanxia District, Xia Xi Dong ban Wai Industrial Zone Foshan New Technology Co., Ltd. Applicant before: FOSHAN LIANZHI XINCHUANG TECHNOLOGY CO., LTD. |
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Granted publication date: 20180724 Termination date: 20200712 |