CN208240779U - A kind of lithium battery pole ear with overcurrent protection - Google Patents
A kind of lithium battery pole ear with overcurrent protection Download PDFInfo
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- CN208240779U CN208240779U CN201820534510.0U CN201820534510U CN208240779U CN 208240779 U CN208240779 U CN 208240779U CN 201820534510 U CN201820534510 U CN 201820534510U CN 208240779 U CN208240779 U CN 208240779U
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- conductive column
- overcurrent protection
- insulation tube
- elastic parts
- lithium battery
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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
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Abstract
The utility model discloses a kind of lithium battery pole ears with overcurrent protection, comprising: the first insulation tube, the second insulation tube, the first conductive column, the second conductive column, the first elastic parts, the second elastic parts and overcurrent protection block；First conductive column is electrically connected by first elastic parts with one end of the overcurrent protection block；Second conductive column is electrically connected by second elastic parts with the other end of the overcurrent protection block；When overcurrent occurs in use in lithium battery, the temperature of the overcurrent protection block is increased, and resistance value becomes larger, and is played the role of limitation to electric current, is played overcurrent protection；But when ambient temperature is excessively high; even if lithium battery use process not in there is overcurrent; the temperature for also resulting in the overcurrent protection block increases; resistance value becomes larger; cause lithium battery that can not work; at this time if user is badly in need of electricity consumption, the overcurrent protection block is taken out, avoids that external temperature is excessively high the idle phenomenon of lithium battery occurs.
Description
Technical field
The utility model relates to technical field of lithium batteries, more particularly, to a kind of lithium battery pole ear with overcurrent protection.
Background technique
Lithium ion battery is with energy density is big, output power is high, charge discharge life is long, pollution-free, operating temperature range
Many advantages, such as wide and self discharge is small, is widely used in each class of electronic devices.With progress of the epoch, people are to lithium battery
Security requirement it is higher and higher.Currently, the tab of lithium battery is responsible for connecting battery electrode and electrode interior, when meeting circuit
Overcurrent will lead to battery temperature and steeply rise, and serious person even Decrepitation Phenomena occurs, and there is biggish security risks.
Utility model content
The purpose of the utility model is to overcome above-mentioned technical deficiencies, propose a kind of lithium battery pole ear with overcurrent protection,
It solves lithium battery in the prior art and meets circuit overcurrent, will lead to the technical issues of battery temperature steeply rises.
To reach above-mentioned technical purpose, the technical solution of the utility model provides a kind of lithium battery pole with overcurrent protection
Ear, comprising: the first insulation tube, the second insulation tube, the first conductive column, the second conductive column, the first elastic parts, the second elastic parts
And overcurrent protection block, first insulation tube and second insulation tube are open at one end, the open end of first insulation tube
It is detachably connected with the open end of second insulation tube；One end of first conductive column be built in first insulation tube,
The other end of first conductive column is pierced by the one end of first insulation tube far from its opening；One end of second conductive column
It is built in second insulation tube, the other end of second conductive column is pierced by one of second insulation tube far from its opening
End；First elastic parts and second elastic parts are conductive material, and first elastic parts is coaxially built in
First insulation tube, and connect with first conductive column；Second elastic parts is coaxially built in second insulation
Pipe, and connect with second conductive column；The overcurrent protection block is posive temperature coefficient thermistor, the overcurrent protection block card
It is connected between first elastic parts and second elastic parts.
Compared with prior art, the beneficial effects of the utility model include: described in the lithium battery pole ear of the overcurrent protection
First conductive column is electrically connected by first elastic parts with one end of the overcurrent protection block；Second conductive column passes through
Second elastic parts is electrically connected with the other end of the overcurrent protection block；When there is overcurrent in use in lithium battery,
The temperature of the overcurrent protection block increases, and resistance value becomes larger, and plays the role of limitation to electric current, plays overcurrent protection；The overcurrent
Initial conditions can be restored to after protection block is cooling, convenient for reusing；But when ambient temperature is excessively high, even if lithium battery
Use process not in there is overcurrent, the temperature for also resulting in the overcurrent protection block increases, and resistance value becomes larger, cause lithium battery without
Method work, at this time if user is badly in need of electricity consumption, user is removable to separate first insulation tube and second insulation tube, takes out institute
Overcurrent protection block is stated, first insulation tube and second insulation tube, first elastic parts and described are reconnected
Two elastic parts can mutually abut under the action of elastic force, avoid that external temperature is excessively high the idle phenomenon of lithium battery occurs.
Detailed description of the invention
Fig. 1 is the utility model schematic perspective view.
Fig. 2 is the schematic top plan view of Fig. 1.
Fig. 3 is the face A-A schematic cross-sectional view in Fig. 2.
Fig. 4 is that the structural schematic diagram after overcurrent protection block is taken out in Fig. 3.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 1~4 are please referred to, present embodiments provide a kind of lithium battery pole ear with overcurrent protection, comprising: the first insulation tube
1, the second insulation tube 2, the first conductive column 3, the second conductive column 4, the first elastic parts 5, the second elastic parts 6 and overcurrent protection block
7, first insulation tube 1 and second insulation tube 2 are open at one end, the open end of first insulation tube 1 and described the
The open end of two insulation tubes 2 is detachably connected；One end of first conductive column 3 is built in first insulation tube 1, described
The other end of one conductive column 3 is pierced by the one end of first insulation tube 1 far from its opening；In one end of second conductive column 4
It is placed in second insulation tube 2, the other end of second conductive column 4 is pierced by one of second insulation tube 2 far from its opening
End；First elastic parts 5 and second elastic parts 6 are conductive material, and first elastic parts 5 is coaxial built-in
It is connect in first insulation tube 1, and with first conductive column 3；Second elastic parts 6 is coaxially built in described second
Insulation tube 2, and connect with second conductive column 3；The overcurrent protection block 7 is posive temperature coefficient thermistor, the present embodiment
Described in the preferred ptc material of overcurrent protection block 7 be made, the overcurrent protection block 7 is connected in first elastic parts 5 and described
Between second elastic parts 6；First conductive column 3 described in the lithium battery pole ear of the overcurrent protection passes through first elastic parts
5 are electrically connected with one end of the overcurrent protection block 7；Second conductive column 4 passes through second elastic parts 6 and the overcurrent
The other end of protection block 7 is electrically connected；When overcurrent occurs in use in lithium battery, the temperature of the overcurrent protection block 7 is increased,
Resistance value becomes larger, and plays the role of limitation to electric current, plays overcurrent protection；It can be restored to initially after the overcurrent protection block 7 is cooling
State, convenient for reusing；But when ambient temperature is excessively high, though lithium battery use process not in there is overcurrent,
The temperature for also resulting in the overcurrent protection block 7 increases, and resistance value becomes larger, and causes lithium battery that can not work, at this time if user is anxious
Electricity consumption is needed, user is removable to separate first insulation tube 1 and second insulation tube 2, takes out the overcurrent protection block 7, then connect
First insulation tube 1 and second insulation tube 2 are connected, first elastic parts 5 and second elastic parts 6 meeting exist
It is mutually abutted under the action of elastic force, avoids that external temperature is excessively high the idle phenomenon of lithium battery occurs.
Preferably, first elastic parts 5 includes the first spring 51 and the first locating piece 52, first spring 51
One end is connect with first conductive column 3, the other end is connect with first locating piece 52；First locating piece 52 is close to institute
The one end for stating the first insulation tube 1 opening is provided with the first locating slot 52a；Second elastic parts 6 include second spring 61 and
Second locating piece 62, one end of the second spring 61 connect with second conductive column 4, the other end and second locating piece
62 connections；Second locating piece 62 is provided with the second clamping groove 62a close to one end that second insulation tube 2 is open；It is described
One end of overcurrent protection block 7 is connect with the first locating slot 52a, the other end of the overcurrent protection block 7 is determined with described second
Position slot 62a connection.
Preferably, first conductive column 3 includes the first conductive column ontology 31 and the first metal foil 32, and described first is conductive
Column ontology 31 is plastic material, to mitigate the weight of first conductive column 3；First metal foil 32 is coated on described
The outer surface of one conductive column ontology 31, plays electric action；Second conductive column 4 includes the second conductive column ontology 41 and second
Metal foil 42, the second conductive column ontology 41 is plastic material, to mitigate the weight of second conductive column 4, further
Mitigate the overall weight of lithium battery；Second metal foil 42 is coated on the outer surface of the second conductive column ontology 41, plays
Electric action.Preferably, the open end of first insulation tube 1 and the open end of second insulation tube 2 are respectively arranged with phase
The external screw thread and internal screw thread being mutually cooperatively connected, to realize fast assembling-disassembling.
Preferably, the lithium battery pole ear with overcurrent protection further includes a sealing ring 8, and the sealing ring 8 is set to
The place of docking of first insulation tube 1 and second insulation tube 2 improves sealing effect, prevents external dust to the overcurrent
The electrical properties of protection block 7 impact.
Specific embodiment of the present utility model described above does not constitute the restriction to scope of protection of the utility model.
Any other various changes and modifications that any technical concept according to the present utility model is made should be included in practical
In novel scope of protection of the claims.
Claims (5)
1. a kind of lithium battery pole ear with overcurrent protection characterized by comprising the first insulation tube, the second insulation tube, first are led
Electric column, the second conductive column, the first elastic parts, the second elastic parts and overcurrent protection block, first insulation tube and described
Two insulation tubes are open at one end, and the open end of first insulation tube and the open end of second insulation tube are detachably connected；
One end of first conductive column is built in first insulation tube, the other end of first conductive column is pierced by described first absolutely
The one end of edge pipe far from its opening；One end of second conductive column is built in second insulation tube, second conductive column
The other end be pierced by second insulation tube far from its opening one end；First elastic parts and second elastic parts
It is conductive material, first elastic parts is coaxially built in first insulation tube, and connect with first conductive column；
Second elastic parts is coaxially built in second insulation tube, and connect with second conductive column；The overcurrent protection
Block is posive temperature coefficient thermistor, and the overcurrent protection block is connected in first elastic parts and second elastic parts
Between.
2. the lithium battery pole ear according to claim 1 with overcurrent protection, which is characterized in that the first elastic parts packet
Include the first spring and the first locating piece, one end of first spring connect with first conductive column, the other end and described the
A positioning block connection；First locating piece is provided with the first locating slot close to one end of the first insulation tube opening；It is described
Second elastic parts includes second spring and the second locating piece, one end of the second spring connect with second conductive column,
The other end is connect with second locating piece；Second locating piece is provided with the close to one end of the second insulation tube opening
Two clamping grooves；One end of the overcurrent protection block connect with first locating slot, the other end of the overcurrent protection block and institute
State the connection of the second locating slot.
3. the lithium battery pole ear according to claim 1 with overcurrent protection, which is characterized in that first conductive column includes
First conductive column ontology and the first metal foil, the first conductive column ontology are plastic material；First metal foil is coated on
The outer surface of the first conductive column ontology；Second conductive column includes the second conductive column ontology and the second metal foil, described
Second conductive column ontology is plastic material；Second metal foil is coated on the outer surface of the second conductive column ontology.
4. the lithium battery pole ear according to claim 1 with overcurrent protection, which is characterized in that first insulation tube is opened
Mouth end and the open end of second insulation tube are respectively arranged with the external screw thread and internal screw thread for the connection that cooperates.
5. the lithium battery pole ear according to claim 1 with overcurrent protection, which is characterized in that described with overcurrent protection
Lithium battery pole ear further includes a sealing ring, and the sealing ring is set to docking for first insulation tube and second insulation tube
Place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820534510.0U CN208240779U (en) | 2018-04-13 | 2018-04-13 | A kind of lithium battery pole ear with overcurrent protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820534510.0U CN208240779U (en) | 2018-04-13 | 2018-04-13 | A kind of lithium battery pole ear with overcurrent protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208240779U true CN208240779U (en) | 2018-12-14 |
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ID=64583066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820534510.0U Active CN208240779U (en) | 2018-04-13 | 2018-04-13 | A kind of lithium battery pole ear with overcurrent protection |
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| Country | Link |
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| CN (1) | CN208240779U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865236A (en) * | 2021-01-20 | 2022-08-05 | 东莞新能安科技有限公司 | Battery core and battery |
-
2018
- 2018-04-13 CN CN201820534510.0U patent/CN208240779U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114865236A (en) * | 2021-01-20 | 2022-08-05 | 东莞新能安科技有限公司 | Battery core and battery |
| CN114865236B (en) * | 2021-01-20 | 2024-04-12 | 东莞新能安科技有限公司 | Battery cell and battery |
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