CN112952298B - Lithium cell electrode slice safety protection structure - Google Patents
Lithium cell electrode slice safety protection structure Download PDFInfo
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- CN112952298B CN112952298B CN202110263004.9A CN202110263004A CN112952298B CN 112952298 B CN112952298 B CN 112952298B CN 202110263004 A CN202110263004 A CN 202110263004A CN 112952298 B CN112952298 B CN 112952298B
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- fixedly connected
- block
- electrode plate
- connecting block
- safety protection
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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
- 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
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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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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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention discloses a safety protection structure for an electrode plate of a lithium battery, which comprises an electric wire, a connecting block and a receiving block, wherein two sides of one end of the connecting block are fixedly connected with two lugs respectively, and the two lugs are fixedly connected with two elastic blocks respectively. The electrode plate is connected with the receiving terminal in a clamping hook mode, the connection is more stable, the clamping hook can be separated from the hook groove only by pressing the extrusion block when the electrode plate needs to be separated, meanwhile, the electrode plate is arranged in the movable bin, the movable bin is in close contact with the connecting terminal under the elastic force of the spring, the contact quality is not guaranteed by the aid of the elastic force of the electrode plate, and the phenomenon of poor contact is avoided. According to the invention, the first radiating fin is arranged at the movable bin, the through hole is formed in the position of the receiving block corresponding to the electrode plate, and the second radiating fin is arranged, so that the radiating effect at the joint of the electrode plate is ensured, the condition that the terminal joint is damaged due to overhigh temperature of the electrode plate is avoided, and the phenomenon of short circuit due to overhigh temperature is also avoided.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a safety protection structure for an electrode plate of a lithium battery.
Background
A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Lithium metal batteries were first proposed and studied by Gilbert n. Lewis in 1912. In the 70 s of the 20 th century, m.s. Whittingham proposed and began to study lithium ion batteries. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of scientific technology, lithium batteries have become the mainstream. Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and their safety, specific capacity, self-discharge rate and cost-performance ratio were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries. When the lithium battery is used, the electrode plate is required to be connected to the conductive terminal, and the safety protection of the current lithium battery when the electrode plate is connected has the following problems:
1. the mode that present lithium cell electrode slice used grafting usually makes the electrode slice contact conductive terminal when connecting, and the place of pegging graft generally adopts the mode of elasticity fixture block to block, and for the convenience of plug, what this kind of fixture block adopted is the groove design, and this kind of fixture block drops easily, and then leads to connecting failure, and the mode of elasticity conducting strip is taken to present electrode slice simultaneously, relies on its elasticity to make its and conductive terminal in close contact with, but long-time use back electrode slice elasticity decline leads to the fact bad phenomenon of contact easily.
2. Lithium cell is in the use, and electrode slice connector can produce certain heat, if these heats can't dispel fast, make electrode slice connector high temperature easily, be in overheated condition for a long time when electrode slice connector under, make the junction damage even cause the short circuit phenomenon easily.
Therefore, a safety protection structure for electrode plates of lithium batteries is provided to solve the problems.
Disclosure of Invention
The invention aims to provide a safety protection structure for an electrode plate of a lithium battery, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a safety protection structure for electrode plates of lithium batteries comprises an electric wire, a connecting block and a receiving block, wherein two sides of one end of the connecting block are fixedly connected with two lugs respectively, the two lugs are fixedly connected with two elastic blocks respectively, a connecting insertion cavity is formed in the receiving block, the connecting block is connected with the insertion cavity in an inserting manner, two first sliding grooves are formed in two sides of the connecting insertion cavity respectively, one side, far away from the connecting block, of each elastic block is fixedly connected with two extrusion blocks respectively, the extrusion blocks are connected into the first sliding grooves in a sliding manner, the free ends of the elastic blocks are fixedly connected with hooks, hook grooves are formed in the inner sides of the connecting insertion cavity corresponding to the positions of the hooks, the hooks are connected with the hook grooves in a clamping manner, two second sliding grooves are formed in two side walls of the connecting block respectively, two sliding blocks are connected in a sliding manner, a movable bin is fixedly connected between the two sliding blocks, one end of the movable bin is positioned outside the connecting block and fixedly connected with an electrode plate, the inner side surface of the connecting plug cavity is fixedly connected with a receiving terminal, the electrode plate contacts with the receiving terminal, two sides of the sliding block are fixedly connected with one ends of two springs respectively, and the other ends of the two springs are fixedly connected with the inner side wall of the second sliding chute.
Preferably, a first through hole is formed in one end, far away from the receiving block, of the connecting block, a sleeve is fixedly connected in the connecting block, an electric wire is connected in the sleeve and the first through hole in a sliding mode, a second through hole is formed in one end, far away from the electrode plate, of the movable bin, the end portion of the electric wire penetrates through the second through hole and is fixedly connected with the electrode plate, and a silicone grease coating is fixedly connected to the joint of the electric wire and the electrode plate.
Preferably, a plurality of solid fixed rings of support rigid coupling are passed through in the activity storehouse, the fixed cover of solid fixed ring connects the electric wire, a plurality of balls of sleeve pipe inside wall roll connection.
Preferably, the movable bin is of a frame structure with the upper side and the lower side communicated with each other, the top surface and the bottom surface of the movable bin are fixedly connected with fixed frames, and the inner side of each fixed frame is fixedly connected with a first radiating fin.
Preferably, a plurality of through holes are formed in the top surface of the receiving block corresponding to the electrode plate, and second radiating fins are fixedly connected in the through holes.
Preferably, the free end of the extrusion block is positioned outside the first sliding groove and fixedly connected with the pressing gasket.
Compared with the prior art, the invention has the beneficial effects that:
1. the electrode plate is connected with the receiving terminal in a hook mode, the connection is more stable, the hook can be separated from the hook groove only by pressing the extrusion block when the electrode plate needs to be separated, meanwhile, the electrode plate is arranged in the movable bin, the movable bin is tightly contacted with the connecting terminal under the elastic force of the spring, the contact quality is not guaranteed by the aid of the elastic force of the electrode plate, and the phenomenon of poor contact is avoided.
2. According to the invention, the first radiating fins are arranged at the movable bin, the through holes are formed at the positions of the receiving blocks corresponding to the electrode plates, and the second radiating fins are arranged, so that the radiating effect at the joint of the electrode plates is ensured, the condition that the terminal joint is damaged due to overhigh temperature of the electrode plates is avoided, and the phenomenon of short circuit caused by overhigh temperature is also avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged structural view of the cross-sectional structure of the present invention;
fig. 3 is an enlarged structural schematic diagram of the movable cabin of the invention.
In the figure: the electric wire connector comprises an electric wire 1, a connecting block 2, a receiving block 3, a lug 4, an elastic block 5, a first sliding groove 6, an extrusion block 7, a hook groove 8, a clamping hook 9, a second sliding groove 10, a sliding block 11, a movable cabin 12, an electrode plate 13, a connecting insertion cavity 14, a receiving terminal 15, a spring 16, a fixing frame 17, a first radiating fin 18, a through hole 19, a second radiating fin 20, a first through hole 21, a sleeve 22, a support 23, a fixing ring 24, a second through hole 25, a silicone grease coating 26, a pressing gasket 27 and a ball 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a safety protection structure for electrode plates of lithium batteries comprises an electric wire 1, a connecting block 2 and a receiving block 3, wherein two sides of one end of the connecting block 2 are fixedly connected with two convex lugs 4 respectively, the two convex lugs 4 are fixedly connected with two elastic blocks 5 respectively, a connecting insertion cavity 14 is arranged in the receiving block 3, the connecting block 2 is connected with the insertion cavity 14 in an inserting manner, two sides of the connecting insertion cavity 14 are respectively provided with two first sliding grooves 6, one side of each elastic block 5, far away from the connecting block 2, is fixedly connected with two extrusion blocks 7 respectively, the extrusion blocks 7 are slidably connected in the first sliding grooves 6, the free end of each elastic block 5 is fixedly connected with a clamping hook 9, the inner side of the connecting insertion cavity 14 is provided with a hook groove 8 corresponding to the position of the clamping hook 9, the clamping hook groove 8 of the clamping hook 9 is arranged, two second sliding grooves 10 are arranged on two side walls on the inner side of the connecting block 2 respectively, two sliding grooves 10 are slidably connected with two sliding blocks 11, a movable bin 12 is fixedly connected between the two sliding blocks 11, one end of the movable bin 12 is positioned on the outer side of the connecting block 2 and is fixedly connected with an electrode plate 13, the inner side surface of the connecting plug cavity 14 is fixedly connected with a receiving terminal 15, the electrode plate 13 is contacted with the receiving terminal 15, two sides of the sliding block 11 are fixedly connected with one ends of two springs 16 respectively, and the other ends of the two springs 16 are fixedly connected with the inner side wall of the second sliding chute 10.
As shown in fig. 2, a first through hole 21 is formed at one end of the connecting block 2, which is far away from the receiving block 3, a sleeve 22 is fixedly connected in the connecting block 2, the electric wire 1 is slidably connected in the sleeve 22 and the first through hole 21, a second through hole 25 is formed at one end of the movable bin 12, which is far away from the electrode plate 13, the end of the electric wire 1 penetrates through the second through hole 25 and is fixedly connected with the electrode plate 13, and a silicone grease coating 26 is fixedly connected at the joint of the electric wire 1 and the electrode plate 13.
As shown in FIG. 2, a plurality of fixing rings 24 are fixedly connected in the movable bin 12 through a bracket 23, the fixing rings 24 are fixedly connected with the electric wire 1, and the inner side wall of the sleeve 22 is connected with a plurality of balls 28 in a rolling manner.
As shown in fig. 3, the movable cabin 12 is a frame structure with upper and lower sides communicating with each other, the top and bottom surfaces of the movable cabin 12 are fixedly connected with fixed frames 17, and the inner sides of the fixed frames 17 are fixedly connected with first heat dissipation fins 18.
As shown in fig. 1, a plurality of through holes 19 are formed on the top surface of the receiving block 3 at positions corresponding to the electrode pads 13, and second heat sinks 20 are fixedly connected in the through holes 19.
As shown in FIG. 2, the free end of the squeezing block 7 is located outside the first sliding slot 6 and is fixedly connected with a pressing pad 27.
The working principle is as follows: when the connecting block is used, the connecting block is required to be inserted into the connecting insertion cavity of the receiving block, the extrusion block also slides into the first sliding groove when the connecting block is inserted, and the hook groove can be clamped by the hook after the connecting block is completely inserted, so that connection is completed. The electrode plate is connected with the receiving terminal in a hook mode, the connection is more stable, the hook can be separated from the hook groove only by pressing the extrusion block when the electrode plate needs to be separated, meanwhile, the electrode plate is arranged in the movable bin, the movable bin is tightly contacted with the connecting terminal under the elastic force of the spring, the contact quality is not guaranteed by the aid of the elastic force of the electrode plate, and the phenomenon of poor contact is avoided. According to the invention, the first radiating fin is arranged at the movable bin, the through hole is formed in the position of the receiving block corresponding to the electrode plate, and the second radiating fin is arranged, so that the radiating effect at the joint of the electrode plate is ensured, the condition that the terminal joint is damaged due to overhigh temperature of the electrode plate is avoided, and the phenomenon of short circuit due to overhigh temperature is also avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a lithium cell electrode slice safety protection structure, includes electric wire (1), connecting block (2) and receives block (3), its characterized in that: two lugs (4) are fixedly connected to two sides of one end of the connecting block (2) respectively, two elastic blocks (5) are fixedly connected to two lugs (4) respectively, a connecting and inserting cavity (14) is formed in the receiving block (3), the connecting block (2) is connected with the inserting cavity (14) in an inserting manner, two first sliding grooves (6) are formed in two sides of the connecting and inserting cavity (14) respectively, two elastic blocks (5) are far away from one side of the connecting block (2) and fixedly connected with two extrusion blocks (7) respectively, the extrusion blocks (7) are slidably connected with the first sliding grooves (6) respectively, free ends of the elastic blocks (5) are fixedly connected with clamping hooks (9), hook grooves (8) are formed in the inner side of the connecting and inserting cavity (14) corresponding to the positions of the clamping hooks (9), the clamping hooks (9) are connected with the clamping hook grooves (8), two second sliding grooves (10) are formed in two side walls of the inner side of the connecting block (2) respectively, and two sliding blocks (11) are slidably connected with the second sliding grooves (10), two rigid coupling activity storehouse (12) between slider (11), activity storehouse (12) one end is located connecting block (2) outside and rigid coupling electrode slice (13), connect plug cavity (14) medial surface rigid coupling receiving terminal (15), electrode slice (13) contact receiving terminal (15), slider (11) both sides rigid coupling two spring (16) one end respectively, two spring (16) other end rigid coupling second spout (10) inside wall.
2. The lithium battery electrode sheet safety protection structure of claim 1, characterized in that: connecting block (2) are kept away from receiving block (3) one end and are seted up first through-hole (21), rigid coupling sleeve pipe (22) in connecting block (2), sliding connection electric wire (1) in sleeve pipe (22) and first through-hole (21), electrode slice (13) one end is kept away from in activity storehouse (12) is seted up second through-hole (25), second through-hole (25) and rigid coupling electrode slice (13) are passed to electric wire (1) tip, electric wire (1) and electrode slice (13) junction rigid coupling silicone grease coating (26).
3. The lithium battery electrode sheet safety protection structure of claim 2, characterized in that: a plurality of fixed rings (24) are fixedly connected in the movable bin (12) through a support (23), the fixed sleeve of the fixed rings (24) is connected with the wire (1), and the inner side wall of the sleeve (22) is connected with a plurality of balls (28) in a rolling manner.
4. The lithium battery electrode sheet safety protection structure of claim 1, characterized in that: the movable bin (12) is of a frame structure with an upper side and a lower side communicated with each other, the top surface and the bottom surface of the movable bin (12) are fixedly connected with a fixed frame (17), and the inner side of the fixed frame (17) is fixedly connected with a first radiating fin (18).
5. The lithium battery electrode sheet safety protection structure of claim 1, characterized in that: the top surface of the receiving block (3) is provided with a plurality of through holes (19) corresponding to the positions of the electrode plates (13), and second radiating fins (20) are fixedly connected in the through holes (19).
6. The lithium battery electrode sheet safety protection structure of claim 1, characterized in that: the free end of the extrusion block (7) is positioned at the outer side of the first sliding chute (6) and fixedly connected with a pressing gasket (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110263004.9A CN112952298B (en) | 2021-03-11 | 2021-03-11 | Lithium cell electrode slice safety protection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110263004.9A CN112952298B (en) | 2021-03-11 | 2021-03-11 | Lithium cell electrode slice safety protection structure |
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| Publication Number | Publication Date |
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| CN112952298A CN112952298A (en) | 2021-06-11 |
| CN112952298B true CN112952298B (en) | 2022-08-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110263004.9A Active CN112952298B (en) | 2021-03-11 | 2021-03-11 | Lithium cell electrode slice safety protection structure |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3126824U (en) * | 2006-08-29 | 2006-11-09 | 淇譽電子科技股▲分▼有限公司 | Improved structure of connector |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012059362A (en) * | 2010-09-03 | 2012-03-22 | Mitsubishi Heavy Ind Ltd | Battery pack |
| KR20160095296A (en) * | 2015-02-02 | 2016-08-11 | (주)씨엘 | Battery connector |
| CN207269150U (en) * | 2016-10-13 | 2018-04-24 | 深圳易马达科技有限公司 | Connector and electronic device |
| CN107910668A (en) * | 2017-10-27 | 2018-04-13 | 镇江科胜电子科技有限公司 | A kind of forced electric power connector |
| CN210074015U (en) * | 2019-04-30 | 2020-02-14 | 醴陵南方材料科技有限公司 | Fixing structure for connecting electrode joint |
-
2021
- 2021-03-11 CN CN202110263004.9A patent/CN112952298B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3126824U (en) * | 2006-08-29 | 2006-11-09 | 淇譽電子科技股▲分▼有限公司 | Improved structure of connector |
Non-Patent Citations (1)
| Title |
|---|
| 低压电涌保护器可靠性改进;朱文灏等;《电工电气》;20150415(第04期);第42-45页 * |
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| CN112952298A (en) | 2021-06-11 |
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