CN114899554B - Battery connection piece based on overload protection device of battery pack - Google Patents
Battery connection piece based on overload protection device of battery pack Download PDFInfo
- Publication number
- CN114899554B CN114899554B CN202210583488.XA CN202210583488A CN114899554B CN 114899554 B CN114899554 B CN 114899554B CN 202210583488 A CN202210583488 A CN 202210583488A CN 114899554 B CN114899554 B CN 114899554B
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- China
- Prior art keywords
- seat
- conductive
- fixedly connected
- battery
- elastic clamp
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- 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.)
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- 238000005452 bending Methods 0.000 claims abstract description 5
- 238000009413 insulation Methods 0.000 claims 2
- 239000007788 liquid Substances 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 231100000989 no adverse effect Toxicity 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The invention belongs to the technical field of battery protection equipment, and discloses a battery connecting sheet based on a battery overload protection device, which comprises an insulating fixing seat, wherein the upper end of the insulating fixing seat is fixedly connected with a conductive seat, the front part of the conductive seat is symmetrically and fixedly connected with a shaft seat, the upper end of the shaft seat is rotationally connected with an elastic clamp, the elastic clamp is in movable contact with the conductive seat, a fuse is clamped between the elastic clamp and the conductive seat, the conductive seat comprises a seat body and a conductive strip, the upper end of the seat body is hollowed and provided with an installation opening, the bending height of the seat body is 1.5-2.5mm, and the conductive seat also comprises a connecting ring which is fixedly connected with the conductive strip into a whole. The invention fuses the fuse wire through the heavy current, so that the connection between the battery and the charger is disconnected, and meanwhile, the molten liquid flows down to protect the target battery, thereby improving the safety of battery charging and reducing the replacement cost compared with the conventional fuse wire.
Description
Technical Field
The invention belongs to the technical field of battery protection equipment, and particularly relates to a battery connecting sheet based on a battery pack overload protection device.
Background
The current overload device of the current 18650 battery pack mainly comprises a battery module group with reference to Tesla, wherein the total current overload device is formed by parallelly connecting 16 groups of x444 single 18650 batteries, and the current overload device is respectively arranged in two independent closed battery packs in a cast aluminum molding box body, but two high-capacity direct current ultra-fast fuses are arranged in a certain space to serve as breaking and isolating protection devices for overcurrent faults of the battery packs. The ultra-fast fuse adopts silver fuse pieces and is filled with high-purity silica sand, has strong current limiting and arc extinguishing effects, and can rapidly and safely cut off high-voltage surge short-circuit current of 200-400V or more which happens accidentally to the whole battery pack within 10ms, and the heat energy generated in the fusing process is totally enclosed in a tube body of the ultra-fast fuse, so that the ultra-fast fuse has no adverse effect on modules in the battery pack.
Because the current overload device of the conventional 18650 battery pack has a complex main structure, high production cost and higher later maintenance cost, the problem of higher cost caused by conventional overload fusing protection replacement is caused.
Therefore, we propose a battery connecting piece based on a battery pack overload protection device to solve the above problems.
Disclosure of Invention
The invention aims to solve the problem of high cost caused by conventional overload fusing protection replacement in the prior art. And a battery connecting sheet based on the overload protection device of the battery pack is provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a battery connection piece based on group battery overload protection device, includes insulating fixing base, the upper end fixedly connected with conductive seat of insulating fixing base, the anterior symmetry fixedly connected with axle bed of conductive seat, the upper end rotation of axle bed is connected with the elasticity clamp, elasticity clamp and conductive seat movable contact, the fuse has been pressed from both sides between elasticity clamp and the conductive seat.
The fuse is fused through the heavy current, so that the battery is disconnected with the charger, the effect of protecting the target battery is achieved, and the safety of battery charging is improved.
The novel fuse wire is clamped by the elastic clamp by opening the elastic clamp and then placing the novel fuse wire into the elastic clamp and then loosening the elastic clamp, so that a user can conveniently replace the fuse wire.
Preferably, the conductive seat comprises a seat body and a conductive strip, wherein the upper end of the seat body is hollowed out to form a mounting opening, and the bending height of the seat body is 1.5-2.5mm.
The base is convenient to fix with the target battery through the mounting opening, and the bending height of the base is 1.5-2.5mm, so that the molten liquid can be conveniently separated from the conductive base.
Preferably, the conductive seat further comprises a connecting ring, and the connecting ring is fixedly connected with the conductive strip into a whole.
Is convenient through the connecting ring the conductive strip is connected with the wire.
Preferably, the upper ends of the base and the conducting strips are provided with clamping grooves.
The stability of the position between the fuse wire and the conducting strip and the seat body is improved through the clamping groove.
Preferably, the shaft seat comprises a fixed block, a rotating rod, a sleeve seat and a stop block, wherein the fixed block is fixedly connected to the upper end of the rotating rod, and the lower end of the rotating rod is fixedly connected with the stop block.
The elastic clamp is conveniently connected with the shaft seat in a rotating way through the rotating rod.
Preferably, the elastic clamp comprises a limiting block, a push rod, an elastic sheet and a rotary seat, wherein the push rod is fixedly connected to the upper end of the elastic sheet, the elastic sheet is fixedly connected with the rotary seat into a whole, and one end of the elastic sheet, which is opposite to the rotary seat, is movably clamped.
After the elastic sheet is pushed up, the elastic sheet is pushed away to the side part, then the conductive seat is cleaned, and the elastic sheet is restored, so that the fuse slag on the conductive seat is cleaned conveniently.
Preferably, the elastic clamp further comprises a push button, and the lower end of the push button is fixedly connected to the upper end of the push rod.
The push rod is convenient to operate manually through the push button.
In summary, the technical effects and advantages of the present invention are:
1. the fuse is fused through the heavy current, so that the battery and the charger are disconnected, and meanwhile, the molten liquid flows down to protect the target battery, so that the safety of battery charging is improved, and compared with a conventional fuse, the replacement cost is reduced.
2. The novel fuse wire is clamped by the elastic clamp by opening the elastic clamp and then placing the novel fuse wire into the elastic clamp and then loosening the elastic clamp, so that a user can conveniently replace the fuse wire.
3. After the elastic sheet is pushed up, the elastic sheet is pushed away to the side part, then the conductive seat is cleaned, and the elastic sheet is restored, so that the fuse slag on the conductive seat is cleaned conveniently.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a conductive base structure according to the present invention;
FIG. 3 is a schematic view of a shaft seat according to the present invention;
fig. 4 is a schematic view of the structure of the spring clip of the present invention.
In the figure: 1. an insulating fixing seat; 2. a conductive base; 3. a shaft seat; 4. an elastic clamp; 21. a base; 22. a mounting port; 23. a connecting ring; 24. a conductive strip; 25. a clamping groove; 31. a fixed block; 32. a rotating rod; 33. a sleeve seat; 34. a stop block; 41. a push button; 42. a limiting block; 43. a push rod; 44. a spring plate; 45. and (5) rotating.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Referring to fig. 1, a battery connecting piece based on a battery overload protection device includes an insulating fixing seat 1, a conductive seat 2 is fixedly connected to an upper end of the insulating fixing seat 1, a shaft seat 3 is symmetrically and fixedly connected to a front portion of the conductive seat 2, an elastic clamp 4 is rotatably connected to an upper end of the shaft seat 3, the elastic clamp 4 is movably contacted with the conductive seat 2, and a fuse is clamped between the elastic clamp 4 and the conductive seat 2. The conductive seat 2 is fixed with the target battery, and the conductive seat 2 is electrically connected between the target battery and the target charger, when the current is overloaded, the fuse is fused by the current, so that the connection between the target battery and the target charger is disconnected, the effect of protecting the target battery is achieved, the elastic clamp 4 is opened, then a new fuse is put in, the elastic clamp 4 is loosened, and the new fuse is clamped by the elastic clamp 4.
Referring to fig. 1, 2 and 4, the conductive base 2 includes a base 21 and a conductive strip 24, a mounting opening 22 is hollowed out at an upper end of the base 21, a bending height of the base 21 is 1.5-2.5mm, the base 21 is fixed with a target battery through the mounting opening 22, the insulating fixing base 1 is fixedly connected to lower ends of the base 21 and the conductive strip 24, a distance between the conductive strip 24 and the base 21 is stabilized by the insulating fixing base 1, a distance between the base 21 and the conductive strip 24 is 0.5-1.5mm, the conductive strip 24 is electrically connected with the target charger, and the conductive strip 24 is electrically connected with the base 21 through a fuse.
Referring to fig. 2, the conductive base 2 further includes a connection ring 23, the connection ring 23 is used for connecting wires, and the connection ring 23 is fixedly connected with the conductive strip 24 into a whole.
Referring to fig. 2, the upper ends of the base 21 and the conductive strip 24 are provided with a clamping groove 25, and the clamping groove 25 is used for clamping the fuse.
Referring to fig. 3, the shaft seat 3 includes a fixing block 31, a rotating rod 32, a sleeve seat 33 and a stop block 34, the sleeve seat 33 is fixedly connected with the conductive seat 2, the fixing block 31 is fixedly connected to the upper end of the rotating rod 32, and the lower end of the rotating rod 32 is fixedly connected with the stop block 34. The rotating lever 32 is used for rotationally connecting the spring clip 4.
Referring to fig. 3 and 4, the elastic clamp 4 includes a limiting block 42, a push rod 43, a spring 44 and a swivel base 45, wherein the limiting block 42 is fixedly connected with the conductive base 2, the spring 44 is movably contacted with the conductive base 2, the swivel base 45 is rotatably mounted on the outer wall of the rotating rod 32, the swivel base 45 is movably contacted with the fixed block 31 and the sleeve base 33 respectively, the push rod 43 is fixedly connected to the upper end of the spring 44, the spring 44 is fixedly connected with the swivel base 45 as a whole, and one end of the spring 44 opposite to the swivel base 45 is movably clamped. Pushing the push rod 43 towards the direction of the swivel 45, so that the push rod 43 drives the elastic sheet 44 to tilt upwards, the push rod 43 is loosened, the elastic force of the elastic sheet 44 is utilized to restore downwards, when the conductive seat 2 at the lower part of the elastic sheet 44 needs to be cleaned, after the elastic sheet 44 is pushed up, the elastic sheet 44 is pushed away towards the side, then the conductive seat 2 is cleaned, and the elastic sheet 44 is restored.
Referring to fig. 4, the spring clip 4 further includes a push button 41, and a lower end of the push button 41 is fixedly connected to an upper end of the push rod 43. The push button 41 is used to manually operate the push rod 43.
Working principle: when the fuse needs to be replaced, the push button 41 is pushed to drive the push rod 43, so that the push rod 43 drives the elastic sheet 44 to tilt upwards, then the fused fuse is taken down by the other hand, a new fuse is replaced, then the push button 41 is released, and the fuse is clamped downwards by the elastic force of the elastic sheet 44.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (3)
1. A battery connection piece based on group battery overload protection device, its characterized in that: the high-voltage power supply comprises an insulation fixing seat (1), wherein the upper end of the insulation fixing seat (1) is fixedly connected with a conductive seat (2), the front part of the conductive seat (2) is symmetrically and fixedly connected with a shaft seat (3), the upper end of the shaft seat (3) is rotationally connected with an elastic clamp (4), the elastic clamp (4) is in movable contact with the conductive seat (2), and a fuse wire is clamped between the elastic clamp (4) and the conductive seat (2);
the conductive seat (2) comprises a seat body (21) and conductive strips (24), the seat body (21) and the conductive strips (24) are arranged at intervals, the insulating fixing seat (1) is fixedly connected to the lower ends of the seat body (21) and the conductive strips (24), and the insulating fixing seat (1) can stabilize the distance between the conductive strips (24) and the seat body (21);
the shaft seat (3) comprises a fixed block (31), a rotating rod (32), a sleeve seat (33) and a stop block (34), wherein the fixed block (31) is fixedly connected to the upper end of the rotating rod (32), and the lower end of the rotating rod (32) is fixedly connected with the stop block (34);
the elastic clamp (4) comprises a limiting block (42), a push rod (43), an elastic piece (44) and a rotary seat (45), wherein the push rod (43) is fixedly connected to the upper end of the elastic piece (44), the elastic piece (44) and the rotary seat (45) are fixedly connected into a whole, and one end of the elastic piece (44) back to the rotary seat (45) is movably clamped;
the elastic clamp (4) further comprises a push button (41), and the lower end of the push button (41) is fixedly connected with the upper end of the push rod (43);
the upper ends of the base body (21) and the conducting strips (24) are provided with clamping grooves (25), and the clamping grooves (25) are used for clamping the fuse.
2. The battery connection tab based on a battery pack overload protection device of claim 1, wherein: the upper end of the base body (21) is hollowed out and provided with a mounting opening (22), and the bending height of the base body (21) is 1.5-2.5mm.
3. The battery connection piece based on a battery pack overload protection device according to claim 2, wherein: the conductive seat (2) further comprises a connecting ring (23), and the connecting ring (23) and the conductive strip (24) are fixedly connected into a whole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210583488.XA CN114899554B (en) | 2022-05-25 | 2022-05-25 | Battery connection piece based on overload protection device of battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210583488.XA CN114899554B (en) | 2022-05-25 | 2022-05-25 | Battery connection piece based on overload protection device of battery pack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114899554A CN114899554A (en) | 2022-08-12 |
| CN114899554B true CN114899554B (en) | 2024-02-02 |
Family
ID=82726902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210583488.XA Active CN114899554B (en) | 2022-05-25 | 2022-05-25 | Battery connection piece based on overload protection device of battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114899554B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4620776A (en) * | 1984-11-26 | 1986-11-04 | Toshio Ima | Microscope specimen slide clip |
| JPH1116466A (en) * | 1997-06-23 | 1999-01-22 | Matsushita Electric Ind Co Ltd | Temperature fuse, its manufacture, temperature fuse part using it, and battery and power supply apparatus |
| CN201146226Y (en) * | 2008-01-29 | 2008-11-05 | 萧晋邦 | Battery charger with function of temperature control protection switch over-loading |
| CN205177762U (en) * | 2015-11-27 | 2016-04-20 | 四川泛华电器有限责任公司 | A battery positive voltage fuse box for motor vehicle pencil |
| CN207603540U (en) * | 2017-12-06 | 2018-07-10 | 冉克宁 | A kind of portable charger based on Solar use |
| CN209071437U (en) * | 2018-12-07 | 2019-07-05 | 蜂巢能源科技有限公司 | Battery pack and vehicle with it |
| CN110336362A (en) * | 2019-08-20 | 2019-10-15 | 厦门大学嘉庚学院 | A kind of phone charger and its application method of self-test and protection |
| CN213936471U (en) * | 2020-12-28 | 2021-08-10 | 深圳市卓普威电子科技有限公司 | Lithium battery protection board capable of preventing overcharge |
| CN216084783U (en) * | 2021-06-30 | 2022-03-18 | 一汽奔腾轿车有限公司 | Top-mounted storage battery positive fuse box |
-
2022
- 2022-05-25 CN CN202210583488.XA patent/CN114899554B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4620776A (en) * | 1984-11-26 | 1986-11-04 | Toshio Ima | Microscope specimen slide clip |
| JPH1116466A (en) * | 1997-06-23 | 1999-01-22 | Matsushita Electric Ind Co Ltd | Temperature fuse, its manufacture, temperature fuse part using it, and battery and power supply apparatus |
| CN201146226Y (en) * | 2008-01-29 | 2008-11-05 | 萧晋邦 | Battery charger with function of temperature control protection switch over-loading |
| CN205177762U (en) * | 2015-11-27 | 2016-04-20 | 四川泛华电器有限责任公司 | A battery positive voltage fuse box for motor vehicle pencil |
| CN207603540U (en) * | 2017-12-06 | 2018-07-10 | 冉克宁 | A kind of portable charger based on Solar use |
| CN209071437U (en) * | 2018-12-07 | 2019-07-05 | 蜂巢能源科技有限公司 | Battery pack and vehicle with it |
| CN110336362A (en) * | 2019-08-20 | 2019-10-15 | 厦门大学嘉庚学院 | A kind of phone charger and its application method of self-test and protection |
| CN213936471U (en) * | 2020-12-28 | 2021-08-10 | 深圳市卓普威电子科技有限公司 | Lithium battery protection board capable of preventing overcharge |
| CN216084783U (en) * | 2021-06-30 | 2022-03-18 | 一汽奔腾轿车有限公司 | Top-mounted storage battery positive fuse box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114899554A (en) | 2022-08-12 |
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