CN214378665U - Multi-string multi-parallel lithium sub-battery module and fixing support thereof - Google Patents
Multi-string multi-parallel lithium sub-battery module and fixing support thereof Download PDFInfo
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- CN214378665U CN214378665U CN202022806309.3U CN202022806309U CN214378665U CN 214378665 U CN214378665 U CN 214378665U CN 202022806309 U CN202022806309 U CN 202022806309U CN 214378665 U CN214378665 U CN 214378665U
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Abstract
The utility model relates to a lithium subcell field especially relates to a many strings of many lithium subcell modules and fixed bolster thereof. The utility model relates to a fixed bolster of many cluster lithium inferior battery module, including the support body, it has a plurality of battery fixing holes for placing the lithium inferior battery to open on the top surface of support body, is equipped with the division wall between two adjacent battery fixing holes; the bottom surface of the bracket body is provided with a baffle for supporting the end surface of the lithium-ion battery; every all open the first recess that is used for the inferior battery diode of holding lithium on the inside wall of battery fixed orifices, first recess sets up along the axial extension of the downthehole side wall of battery fixed orifices. The utility model discloses a many strings of many parallel lithium subcell module's fixed bolster has the installation simply and firm reliable characteristics.
Description
Technical Field
The utility model relates to a lithium subcell field especially relates to a many strings of many lithium subcell modules and fixed bolster thereof.
Background
The lithium-thionyl chloride battery (lithium sub-battery for short) has wide application in the industries of handheld equipment, animal tracking and positioning, sharing of a bicycle, intelligent water meters, Internet of things equipment and the like.
The lithium sub-battery module is formed by connecting a plurality of lithium sub-batteries in series or connecting a plurality of lithium sub-batteries in parallel, and all there is the diode in order to guarantee safe in utilization on every lithium sub-battery, places the lithium sub-battery behind traditional fixed bolster, and the lithium sub-battery can not coincide completely with the battery hole of traditional fixed bolster, and the phenomenon of rocking about appearing easily causes the loose problem that causes the short circuit in the lithium sub-battery module, the use easily.
Disclosure of Invention
In order to solve the above problems, the utility model aims at providing a many strings of many lithium subcell modules and fixed bolster thereof has the simple and firm reliable characteristics of installation.
In order to achieve the purpose, the fixing bracket for the multi-string multi-parallel lithium secondary battery module comprises a bracket body, wherein a plurality of battery fixing holes for placing the lithium secondary batteries are formed in the top surface of the bracket body, and a partition wall is arranged between every two adjacent battery fixing holes; the bottom surface of the bracket body is provided with a baffle for supporting the end surface of the lithium-ion battery; the lithium-ion battery is characterized in that a first groove for accommodating a lithium-ion battery diode is formed in the inner side wall of each battery fixing hole, and the first groove extends along the axial direction of the inner side wall of each battery fixing hole.
Preferably, the top surface of the bracket body is provided with a plurality of threaded holes in threaded fit with the screws, each threaded hole is formed in the partition wall and penetrates through the partition wall in the axial direction, and the threaded hole in the bottom surface of the partition wall is a counter bore for placing a nut.
Preferably, the battery fixing holes are all through holes, the bottom surface of each battery fixing hole is provided with four blocking pieces, and the four blocking pieces are evenly arranged along the circumferential direction of the battery fixing holes. .
Preferably, the plurality of battery fixing holes are arranged in a matrix.
As a preferred scheme, the side surface of the bracket body is provided with two clamping grooves for clamping the protective circuit board, and the two clamping grooves are oppositely arranged at two ends of the side surface of the bracket body.
Preferably, the side surface of the bracket body is provided with a plurality of second grooves for placing nickel strips, and the plurality of second grooves are uniformly arranged along the length direction of the side surface of the bracket body.
A multi-string multi-parallel lithium sub-battery module comprises a lithium sub-battery pack and two fixing supports, wherein the lithium sub-battery pack is formed by connecting a plurality of lithium sub-batteries in series and/or in parallel through nickel straps; each lithium sub-battery comprises a lithium sub-battery monomer and a diode welded and fixed on two end electrodes of the lithium sub-battery monomer; the fixing support comprises a support body, the top surface of the support body is provided with a plurality of battery fixing holes for placing lithium sub-batteries, and a partition wall is arranged between every two adjacent battery fixing holes; a baffle plate for supporting the end face of the lithium-ion battery is arranged on the bottom surface of the bracket body; the LED lamp is characterized in that a first groove for accommodating a diode is formed in the inner side wall of each battery fixing hole, and the first groove extends along the axial direction of the inner side wall of each battery fixing hole.
Preferably, the device also comprises a bolt assembly used for locking the two fixing brackets, wherein the bolt assembly comprises a screw rod and a nut; the top surface of the support body is provided with a plurality of threaded holes in threaded fit with the screw rods, each threaded hole is formed in the partition wall and penetrates through the partition wall along the axial direction of the partition wall, and the threaded holes in the bottom surface of the partition wall are counter bores for placing the nuts.
As a preferred scheme, the lithium secondary battery pack further comprises a protective circuit board, wherein the side face of the support body is provided with two clamping grooves, the two clamping grooves are oppositely arranged at two ends of the side face of the support body, and the protective circuit board is clamped on the side face of the lithium secondary battery pack through the clamping grooves.
Compare with current lithium subcell fixed bolster, the utility model has the advantages of:
1, the utility model discloses the fixed bolster of many strings of many parallel lithium subcell modules has the first recess that is used for the holding diode through opening on the inside wall of every battery fixed orifices, increases the steadiness ability of lithium subcell module, avoids appearing the loose phenomenon that leads to the short circuit.
2, the utility model discloses many strings of fixed bolster of lithium sub-battery module is through offering with bolt assembly screw-thread fit's screw hole, locks two fixed bolsters and then press from both sides tight lithium sub-battery package, further increases the steadiness ability of lithium sub-battery module.
3, the utility model discloses the fixed bolster of many strings of many parallel lithium subcell modules makes things convenient for the installation and the dismantlement of protection circuit board through the draw-in groove joint in the side of lithium subcell package through being equipped with the draw-in groove on the side of support body.
Drawings
Fig. 1 is a schematic perspective view of a multi-string multi-parallel lithium sub-battery module in example 1;
fig. 2 is a schematic perspective view of the multi-string multi-parallel lithium sub-battery module fixing bracket shown in fig. 1;
FIG. 3 is a top view of FIG. 2;
FIG. 4 is a schematic structural view of the lithium subcell cell of FIG. 1;
FIG. 5 is a schematic structural view of the bolt assembly of FIG. 1;
the components in the figures are numbered as follows: the lithium sub-battery pack 100, the lithium sub-battery 10, the lithium sub-battery monomer 11, the diode 12, the fixing support 200, the support body 20, the battery fixing hole 21, the first groove 22, the partition wall 23, the blocking piece 24, the threaded hole 25, the second groove 26, the third groove 27, the clamping groove 28, the bolt assembly 300, the screw 31, the nut 32 and the protection circuit board 400.
Detailed Description
For a better understanding of the present invention, the following detailed description will be given with reference to specific examples.
Referring to fig. 1, a multi-string multi-parallel lithium secondary battery module includes a lithium secondary battery pack 100 formed by a plurality of lithium secondary batteries 10 connected in series and/or in parallel via nickel straps, two fixing brackets 200 respectively covering end surfaces of the lithium secondary battery pack 100, a bolt assembly 300 locking the two fixing brackets 200, and a protection circuit board 400 fastened to a side surface of the lithium secondary battery pack 100.
As shown in fig. 4, each of the lithium sub-batteries 10 includes a lithium sub-battery cell 11 and a diode 12 welded and fixed to both end electrodes of the lithium sub-battery cell 11; the diode 12 prevents the recoil phenomenon of the lithium sub-battery pack 100 during use, thereby improving the safety and durability of the lithium sub-battery pack 100.
As shown in connection with fig. 5, the bolt assembly 300 includes a screw 31 and a nut 32.
With reference to fig. 2 and 3, the key point of the present invention is that the fixing bracket 200 of the multi-string multi-parallel lithium secondary battery module includes a bracket body 20, the bracket body 20 is rectangular, the top surface of the bracket body 20 is provided with a plurality of battery fixing holes 21 for placing the lithium secondary batteries 10, the plurality of battery fixing holes 21 are arranged in a matrix, and a partition wall 23 is disposed between two adjacent battery fixing holes 21; a plurality of baffle plates 24 for supporting the end face of the lithium subcell 10 are arranged on the bottom surface of the support body 20; the battery fixing holes 21 are through holes, the bottom surface of each battery fixing hole 21 is provided with four baffle sheets 24, and the four baffle sheets 24 are uniformly arranged along the circumferential direction of the battery fixing holes 21. A first groove 22 for accommodating the diode 12 is formed in the inner side wall of each battery fixing hole 21, and the first groove 22 extends along the axial direction of the inner side wall of each battery fixing hole 21. The internal diameter of battery fixed orifices 21 matches with the external diameter of lithium sub-battery monomer 11, and the width and the degree of depth of first recess 22 all match with diode 12, make the utility model discloses a lithium sub-battery 10 in the fixed bolster 200 is more firm, avoids appearing the loose phenomenon that leads to the short circuit.
The side surface of the bracket body 20 is also provided with a plurality of second grooves 26 for placing nickel strips, the plurality of second grooves 26 are uniformly arranged along the length direction of the side surface of the bracket body 20, and the nickel strips are wired through the second grooves 26 to avoid the phenomenon of short circuit caused by contact between the nickel strips.
In addition, in order to further increase the stability of the multi-string multi-parallel lithium secondary battery module, the two fixing brackets 200 are locked by the bolt assembly 300 so as to clamp the lithium secondary battery pack 100, specifically, the top surface of the bracket body 20 is provided with a plurality of threaded holes 25 in threaded fit with the screw rods 31 in the bolt assembly 300, each threaded hole 25 is formed in the partition wall 23 and penetrates through the partition wall 23 along the axial direction of the partition wall 23, the threaded holes 25 in the bottom surface of the partition wall 23 are counter bores for placing nuts 32, the two fixing brackets 200 are respectively covered on the two end surfaces of the lithium secondary battery pack 100, the screw rods 31 sequentially penetrate into the threaded holes 25 of the two fixing brackets 200, the two fixing brackets 200 are locked by screwing the nuts 32 into the end parts of the screw rods 31, and the nuts 32 are screwed into the counter bores so as to avoid protruding outside the fixing brackets 200 to influence the use.
In addition, the protection circuit board 400 is arranged on the side surface of the lithium secondary battery pack 100, specifically, two clamping grooves 28 are arranged on the side surface of the support body 20, the two clamping grooves 28 are oppositely arranged at two ends of the side surface of the support body 20, the two fixing supports 200 are respectively covered on two end surfaces of the lithium secondary battery pack 100, and the protection circuit board 400 is clamped on the side surface of the lithium secondary battery pack 100 through the clamping grooves 28.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (9)
1. A fixing support for a multi-string multi-parallel lithium sub-battery module comprises a support body (20), wherein a plurality of battery fixing holes (21) for placing lithium sub-batteries (10) are formed in the top surface of the support body (20), and a partition wall (23) is arranged between every two adjacent battery fixing holes (21); the bottom surface of the support body (20) is provided with a plurality of baffle plates (24) for supporting the end surface of the lithium subcell (10); the lithium ion battery is characterized in that a first groove (22) used for accommodating the diode (12) of the lithium ion battery (10) is formed in the inner side wall of each battery fixing hole (21), and the first groove (22) extends in the axial direction of the inner side wall of each battery fixing hole (21).
2. The fixing support for the multi-string multi-parallel lithium sub-battery module according to claim 1, wherein a plurality of threaded holes (25) which are in threaded fit with the screws (31) are formed in the top surface of the support body (20), each threaded hole (25) is formed in the partition wall (23) and penetrates through the partition wall (23) in the axial direction, and the threaded holes (25) in the bottom surface of the partition wall (23) are counter bores for placing nuts (32).
3. The fixing bracket for the multi-string multi-parallel lithium sub-battery module according to claim 1 or 2, wherein the plurality of battery fixing holes (21) are all through holes, the bottom surface of each battery fixing hole (21) is provided with four blocking pieces (24), and the four blocking pieces (24) are uniformly arranged along the circumferential direction of the battery fixing hole (21).
4. The fixing bracket of a multi-string multi-lithium sub-battery module according to claim 3, wherein a plurality of the battery fixing holes (21) are arranged in a matrix.
5. The fixing support for the multi-string multi-parallel lithium sub-battery module according to claim 4, wherein two clamping grooves (28) for clamping the protection circuit board (400) are arranged on the side surface of the support body (20), and the two clamping grooves (28) are oppositely arranged at two ends of the side surface of the support body (20).
6. The fixing bracket for the multi-string multi-parallel lithium sub-battery module according to claim 5, wherein a plurality of second grooves (26) for placing nickel strips are formed on the side surface of the bracket body (20), and the plurality of second grooves (26) are uniformly arranged along the length direction of the side surface of the bracket body (20).
7. A multi-string multi-parallel lithium sub-battery module comprises a lithium sub-battery pack (100) formed by connecting a plurality of lithium sub-batteries (10) in series and/or in parallel through nickel strips, and two fixing supports (200) respectively covered on the end faces of the lithium sub-battery pack (100); each lithium sub-battery (10) comprises a lithium sub-battery monomer (11) and diodes (12) welded and fixed on two end electrodes of the lithium sub-battery monomer (11); the fixing support (200) comprises a support body (20), a plurality of battery fixing holes (21) for placing the lithium sub-battery (10) are formed in the top surface of the support body (20), and a partition wall (23) is arranged between every two adjacent battery fixing holes (21); a baffle plate (24) used for supporting the end face of the lithium subcell (10) is arranged on the bottom surface of the support body (20); the LED lamp is characterized in that a first groove (22) for accommodating a diode is formed in the inner side wall of each battery fixing hole (21), and the first groove (22) extends along the axial direction of the inner side wall of each battery fixing hole (21).
8. The multi-string multi-parallel lithium subcell module according to claim 7, further comprising a bolt assembly (300) for locking the two fixing brackets (200), the bolt assembly (300) including a screw (31) and a nut (32); the top surface of the support body (20) is provided with a plurality of threaded holes (25) in threaded fit with the screw rods (31), each threaded hole (25) is formed in the partition wall (23) and penetrates through the partition wall (23) along the axial direction of the partition wall, and the threaded holes (25) in the bottom surface of the partition wall (23) are counter bores for placing the nuts (32).
9. The multi-string multi-parallel lithium secondary battery module according to claim 7 or 8, further comprising a protection circuit board (400), wherein two slots (28) are formed in the side surface of the support body (20), the two slots (28) are arranged in the side surface of the support body (20), the two slots (28) are oppositely arranged at two ends of the side surface of the support body (20), and the protection circuit board (400) is clamped on the side surface of the lithium secondary battery pack (100) through the slots (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022806309.3U CN214378665U (en) | 2020-11-26 | 2020-11-26 | Multi-string multi-parallel lithium sub-battery module and fixing support thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022806309.3U CN214378665U (en) | 2020-11-26 | 2020-11-26 | Multi-string multi-parallel lithium sub-battery module and fixing support thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214378665U true CN214378665U (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022806309.3U Active CN214378665U (en) | 2020-11-26 | 2020-11-26 | Multi-string multi-parallel lithium sub-battery module and fixing support thereof |
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| Country | Link |
|---|---|
| CN (1) | CN214378665U (en) |
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- 2020-11-26 CN CN202022806309.3U patent/CN214378665U/en active Active
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