CN218941438U - Combined current lithium battery protection board - Google Patents
Combined current lithium battery protection board Download PDFInfo
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- CN218941438U CN218941438U CN202223181127.7U CN202223181127U CN218941438U CN 218941438 U CN218941438 U CN 218941438U CN 202223181127 U CN202223181127 U CN 202223181127U CN 218941438 U CN218941438 U CN 218941438U
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- lithium battery
- battery protection
- detachable
- protection plate
- mos tube
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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 combined current lithium battery protection plate, which relates to the technical field of lithium battery protection plates and comprises a lithium battery protection plate body, wherein a pair of first encapsulation MOS (metal oxide semiconductor) tubes are arranged at the top of the lithium battery protection plate body, and a detachable MOS tube assembly is detachably arranged at one end of the lithium battery protection plate body; according to the utility model, the first slot is arranged on the side surface of the lithium battery protection plate body, the detachable MOS tube assembly can be installed, the current specification of the lithium battery protection plate body can be doubled after the detachable MOS tube assembly is connected to the side surface of the lithium battery protection plate body, and the detachable MOS tube assembly can be continuously added on the side surface of the detachable MOS tube assembly, so that the current specification of the lithium battery protection plate body can be changed in a certain range, and the lithium battery protection plate is suitable for various lithium batteries, thereby reducing the customization requirements of different specifications, and only the detachable MOS tube assembly is required to be produced in a plurality of modes, so that the stock requirements of manufacturers are reduced.
Description
Technical Field
The utility model relates to the technical field of lithium battery protection plates, in particular to a combined current lithium battery protection plate.
Background
The current of the lithium battery protection board is determined by the detection voltage of the protection IC and the internal resistance of the MOS tube, if the protection IC cannot be changed, the MOS tubes, such as DW01 and 8205MOS, are changed, one MOS tube is used for 2-5A, the parallel current of two MOS tubes is doubled, 3-4 MOS tubes are used for the existing large-capacity mobile power supply to be connected in parallel, in addition, the existing MOS tubes mostly adopt the surface-mounted packaging technology, SOP is surface-mounted packaging, and pins are led out from two sides of the packaging to be in a gull wing shape.
Because the current specifications required by different people are different in the current protection plate at present, various circuit boards are required to be customized, the production efficiency is reduced, and manufacturers also need to consume a large amount of funds to stock, so that aiming at the phenomenon, the design and production of a combined current lithium battery protection plate are urgently required to meet the requirement of actual use.
Disclosure of Invention
The utility model provides a combined current lithium battery protection plate, which solves the technical problem in the background technology.
In order to solve the technical problems, the combined current lithium battery protection plate provided by the utility model comprises a lithium battery protection plate body, wherein a pair of first packaging MOS (metal oxide semiconductor) tubes are arranged at the top of the lithium battery protection plate body, a detachable MOS tube assembly is detachably arranged at one end of the lithium battery protection plate body, a printed circuit is arranged in the middle of the lithium battery protection plate body, a first slot is formed in the side face of the lithium battery protection plate body, a pair of second packaging MOS tubes are arranged at the top of the detachable MOS tube assembly, a second slot is formed in one side of the detachable MOS tube assembly, and an embedded contact is fixedly arranged at the other side of the detachable MOS tube assembly.
Preferably, the size of the embedded contact is matched with the size of the first slot, and the embedded contact is electrically connected with the printed circuit and the second packaging MOS tube.
Preferably, the top and the bottom of lithium battery protection board body have all seted up first draw-in groove, and the equal fixed mounting in top and bottom of detachable MOS pipe assembly has the draw-in bar, the second draw-in groove has all been seted up to the top and the bottom of detachable MOS pipe assembly.
Preferably, one end of the clamping strip is provided with a clamping protrusion, and the size of the clamping protrusion is matched with the sizes of the first clamping groove and the second clamping groove.
Preferably, the number of the clamping strips is six, the six clamping strips are equally divided into two groups, and the two groups of clamping strips are respectively distributed above and below the detachable MOS tube assembly at equal intervals.
Compared with the related art, the combined current lithium battery protection plate provided by the utility model has the following beneficial effects:
the utility model provides a combined current lithium battery protection plate, which is characterized in that a first slot is arranged on the side surface of a lithium battery protection plate body, a detachable MOS tube assembly can be installed, the current specification of the lithium battery protection plate body can be doubled after the detachable MOS tube assembly is connected to the side surface of the lithium battery protection plate body, and the detachable MOS tube assembly can be continuously added on the side surface of the detachable MOS tube assembly, so that the current specification of the lithium battery protection plate body can be changed in a certain range, and the combined current lithium battery protection plate is suitable for various lithium batteries, thereby reducing the customization requirements of different specifications, and reducing the stock requirements of manufacturers by only producing the detachable MOS tube assembly in a plurality of modes.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic structural view of a lithium battery protection plate body and a detachable MOS tube assembly according to the present utility model;
fig. 3 is a schematic view of the detachable MOS tube assembly of the present utility model;
fig. 4 is a schematic structural diagram of a second embodiment of the present utility model.
Reference numerals in the drawings: 1. a lithium battery protection plate body; 11. a first slot; 12. a first clamping groove; 2. a first packaged MOS tube; 3. the detachable MOS tube assembly; 31. a second packaged MOS tube; 32. a second slot; 33. clamping strips; 34. a second clamping groove; 35. an embedded contact.
Detailed Description
In the first embodiment, as shown in fig. 1-3, the utility model comprises a lithium battery protection board body 1, a pair of first packaging MOS tubes 2 are arranged at the top of the lithium battery protection board body 1, a detachable MOS tube assembly 3 is detachably mounted at one end of the lithium battery protection board body 1, a printed circuit is arranged in the middle of the lithium battery protection board body 1, a first slot 11 is formed in the side surface of the lithium battery protection board body 1, a pair of second packaging MOS tubes 31 are arranged at the top of the detachable MOS tube assembly 3, a second slot 32 is formed in one side of the detachable MOS tube assembly 3, and an embedded contact piece 35 is fixedly mounted at the other side of the detachable MOS tube assembly 3.
The size of the embedded contact 35 is matched with the size of the first slot 11, and the embedded contact 35 is electrically connected with the printed circuit and the second packaging MOS tube 31.
The top and the bottom of the lithium battery protection plate body 1 are provided with first clamping grooves 12, the top and the bottom of the detachable MOS tube assembly 3 are fixedly provided with clamping strips 33, and the top and the bottom of the detachable MOS tube assembly 3 are provided with second clamping grooves 34; one end of the clamping strip 33 is provided with a clamping protrusion, and the size of the clamping protrusion is matched with the sizes of the first clamping groove 12 and the second clamping groove 34; the number of the clamping strips 33 is six, the six clamping strips 33 are equally divided into two groups, and the two groups of clamping strips 33 are respectively distributed above and below the detachable MOS tube assembly 3 at equal intervals;
in this embodiment, by using the cooperation of the clamping strip 33 and the first clamping groove 12, the detachable MOS tube assembly 3 can be conveniently connected to one side of the lithium battery protection board body 1, so that the first packaged MOS tube 2 and the second packaged MOS tube 31 are connected in parallel, and the detachable MOS tube assembly 3 can be connected in parallel to the side surface of the detachable MOS tube assembly 3.
In this embodiment, the lithium battery protection plate body 1 may pass through the current of 2-5A, and after the detachable MOS tube assembly 3 is connected to one end of the lithium battery protection plate body 1, the parallel current of the lithium battery protection plate body 1 and the detachable MOS tube assembly 3 may be doubled to 4-10A.
In the second embodiment, as shown in fig. 4, the number of the detachable MOS tube assemblies 3 is not too large based on the first embodiment because of the performance limitation of the lithium battery protection plate body 1, and the parallel current in the present embodiment is 6-15A.
Working principle: through set up first slot 11 in the side of lithium cell protection shield body 1 to can install and dismantle MOS pipe subassembly 3, will dismantle MOS pipe subassembly 3 access after the side of lithium cell protection shield body 1, lithium cell protection shield body 1 current specification can double, and can continue to increase and dismantle MOS pipe subassembly 3 in the side of dismantling MOS pipe subassembly 3, make the current specification of lithium cell protection shield body 1 can change at certain scope, be fit for the use of multiple lithium cell, thereby reduced the customization demand of different specifications, only need produce more and dismantle MOS pipe subassembly 3 can, thereby reduce the stock requirement of producer.
Claims (5)
1. The utility model provides a combination formula electric current lithium battery protection shield, includes lithium battery protection shield body (1), its characterized in that: the top of lithium battery protection board body (1) is equipped with paired first encapsulation MOS pipe (2), detachable MOS pipe assembly (3) are installed to the one end demountable installation of lithium battery protection board body (1), the middle part of lithium battery protection board body (1) is equipped with printed circuit, first slot (11) have been seted up to the side of lithium battery protection board body (1), the top of detachable MOS pipe assembly (3) is equipped with paired second encapsulation MOS pipe (31), second slot (32) have been seted up to one side of detachable MOS pipe assembly (3), the opposite side fixed mounting of detachable MOS pipe assembly (3) has embedded contact (35).
2. The combined current lithium battery protection plate according to claim 1, wherein the size of the embedded contact (35) is adapted to the size of the first slot (11), and the embedded contact (35) is electrically connected to both the printed circuit and the second package MOS tube (31).
3. The combined current lithium battery protection plate according to claim 1, wherein the top and the bottom of the lithium battery protection plate body (1) are provided with first clamping grooves (12), the top and the bottom of the detachable MOS tube assembly (3) are fixedly provided with clamping strips (33), and the top and the bottom of the detachable MOS tube assembly (3) are provided with second clamping grooves (34).
4. A combined current lithium battery protection plate according to claim 3, characterized in that one end of the clamping strip (33) is provided with a clamping protrusion, and the size of the clamping protrusion is matched with the sizes of the first clamping groove (12) and the second clamping groove (34).
5. A combined current lithium battery protection plate according to claim 3, characterized in that the number of the clamping strips (33) is six, the six clamping strips (33) are equally divided into two groups, and the two groups of clamping strips (33) are respectively distributed above and below the detachable MOS tube assembly (3) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223181127.7U CN218941438U (en) | 2022-11-28 | 2022-11-28 | Combined current lithium battery protection board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223181127.7U CN218941438U (en) | 2022-11-28 | 2022-11-28 | Combined current lithium battery protection board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218941438U true CN218941438U (en) | 2023-04-28 |
Family
ID=86084821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223181127.7U Active CN218941438U (en) | 2022-11-28 | 2022-11-28 | Combined current lithium battery protection board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218941438U (en) |
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2022
- 2022-11-28 CN CN202223181127.7U patent/CN218941438U/en active Active
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