CN219696591U - Firm sodium battery module for electric bicycle - Google Patents
Firm sodium battery module for electric bicycle Download PDFInfo
- Publication number
- CN219696591U CN219696591U CN202321137532.0U CN202321137532U CN219696591U CN 219696591 U CN219696591 U CN 219696591U CN 202321137532 U CN202321137532 U CN 202321137532U CN 219696591 U CN219696591 U CN 219696591U
- Authority
- CN
- China
- Prior art keywords
- fixed bolster
- fixing bracket
- battery module
- fixed
- nickel plating
- Prior art date
- 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.)
- Active
Links
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 title claims abstract description 24
- 229910052708 sodium Inorganic materials 0.000 title claims abstract description 24
- 239000011734 sodium Substances 0.000 title claims abstract description 24
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 25
- 238000007747 plating Methods 0.000 claims abstract description 21
- 239000000178 monomer Substances 0.000 claims abstract description 10
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims 1
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008093 supporting effect Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910001415 sodium ion Inorganic materials 0.000 description 1
Classifications
-
- 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
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model provides a firm sodium battery module for electric bicycle, includes the shell, and the shell includes the last casing and the lower casing that mutually cover closes, is equipped with a plurality of sections monomer electric core in the casing, is equipped with the fixed bolster in the casing, and the fixed bolster is equipped with the mounting hole that is used for holding each monomer electric core including dismantling fixed last fixed bolster and lower fixed bolster between going up the fixed bolster and the lower fixed bolster, and the top surface of going up the fixed bolster and the bottom surface of lower fixed bolster are equipped with the nickel plating steel band that is used for with monomer electric core conductive connection respectively. The outer side surface of the nickel plating steel belt is also provided with an insulating sheet for covering the nickel plating steel belt, the nickel plating steel belt and the insulating sheet are in a grid shape with holes, the top surface of the upper fixing support and the top surface of the lower fixing support are respectively provided with grooves for accommodating the nickel plating steel belt and the insulating sheet, and a bump clamped with the holes of the insulating sheet is reserved between the grooves at the position corresponding to the holes; the fixed support and the lower shell are detachably fixed. Through the arrangement, all parts of the sodium battery module are firmly and reliably fixed.
Description
Technical Field
The utility model belongs to the field of batteries, and particularly relates to a sodium battery module for an electric bicycle, which is firmly fixed.
Background
With the popularization of electric bicycles, in order to pursue higher endurance mileage and lighter weight, a battery pack of the electric bicycle is upgraded from a traditional lead-acid battery to a lithium ion battery, a sodium ion battery and the like with higher energy density, and the battery has higher reliability requirements on installation strength and electrical safety. The battery pack for the electric two-wheeled vehicle capable of preventing heat diffusion comprises a battery module and a plurality of connecting pull rods, wherein the battery pack is disclosed in Chinese patent publication No. CN 218769905U; the battery module comprises a first insulating plate, a first battery module, a middle insulating plate, a second battery module and a second insulating plate which are sequentially connected, wherein the first battery module, the middle insulating plate and the second battery module are fixedly connected with a connecting pull rod through a plurality of connecting pull rods. The structure fixes the battery module through the movable connecting pull rod, and the battery module is easy to shift and loose, so that the reliability and the safety of the battery module are seriously affected.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a sodium battery module for an electric bicycle, which is firmly fixed.
The utility model provides a firm sodium battery module for electric bicycle, includes the shell, and the shell includes the last casing and the lower casing that mutually cover closes, is equipped with a plurality of sections monomer electric core in the casing, is equipped with the fixed bolster in the casing, and the fixed bolster is equipped with the mounting hole that is used for holding each monomer electric core including dismantling fixed last fixed bolster and lower fixed bolster between going up the fixed bolster and the lower fixed bolster, and the top surface of going up the fixed bolster and the bottom surface of lower fixed bolster are equipped with the nickel plating steel band that is used for with monomer electric core conductive connection respectively. The outer side surface of the nickel plating steel belt is also provided with an insulating sheet for covering the nickel plating steel belt, the nickel plating steel belt and the insulating sheet are in a grid shape with holes, the top surface of the upper fixing support and the top surface of the lower fixing support are respectively provided with grooves for accommodating the nickel plating steel belt and the insulating sheet, and a bump clamped with the holes of the insulating sheet is reserved between the grooves at the position corresponding to the holes; the fixed support and the lower shell are detachably fixed.
In this scheme, make the fixed bolster have better supportability to single electric core in the mounting hole that single electric core was installed in the fixed bolster, the insulating piece makes sodium battery module's simple structure practical to the fixed bolster through lug and recess joint, and the fixed bolster can dismantle fixedly with lower casing and make sodium battery module's spare part can firmly be connected to lower casing.
Further, the peripheral edge of the fixing support is provided with a first fixing mechanism for detachably fixing the upper fixing support and the lower fixing support, the first fixing mechanism comprises first hole columns which are arranged in pairs and respectively extend from the upper fixing support and the lower fixing support to be contacted in opposite directions, and the upper fixing support and the lower fixing support are fixed in the first hole columns through first bolts. The upper fixing support and the lower fixing support are directly fixedly connected through the first bolt, so that the upper fixing support and the lower fixing support are firmly and reliably connected.
Further, one end of each group of first hole columns, which is in contact with each other, is in plug-in fit, so that the connection between the upper fixing support and the lower fixing support is firm and stable.
Further, the periphery edge of the fixing support is also provided with a second fixing mechanism for fixing the fixing support and the lower shell, the second fixing mechanism comprises second hole columns which are arranged in pairs and extend from the upper fixing support and the lower shell in opposite directions respectively, and the upper fixing support and the lower shell are fixed in the second hole columns through second bolts. The upper fixing support and the lower shell are directly fixedly connected through the second bolt, so that the connection between the upper fixing support and the lower shell is firm and reliable.
Further, the lower fixing support is provided with a sleeve extending to one side of the upper fixing support, and the second hole column on the lower shell is sleeved in the sleeve in a penetrating manner, so that the lower shell has a certain supporting effect on the lower fixing support and can slow down the vibration of the lower fixing support.
Further, a second post on the lower housing has internal threads that mate with the second bolt threads. The second bolt is in direct threaded fit with the second hole column on the lower shell, so that the connection between the second bolt and the lower shell is simple and practical and is difficult to loosen.
The beneficial effects of the utility model are as follows:
according to the sodium battery module provided by the utility model, the single battery cells are arranged in the mounting holes in the fixing bracket, so that the fixing bracket can firmly fix the two ends of the single battery cells, and the single battery cells are effectively prevented from sliding out of or separating from the fixing bracket; the insulation sheet can be reliably fixed to the fixed bracket through the clamping of the convex blocks and the grooves; can dismantle through the fixed bolster and be fixed to the lower casing, monomer electricity core, nickel plating steel band and insulating piece etc. are directly fixed to the lower casing through the fixed bolster to sodium battery module is used for less and difficult not hard up of spare part quantity of fixing, has prevented that the spare part that is used for fixing from leading to fixed insecure problem because of the part is not hard up.
Drawings
Fig. 1 is a schematic perspective view of a sodium battery module according to the present utility model.
Fig. 2 is an exploded view of the sodium battery module according to the present utility model.
Fig. 3 is a schematic perspective view of the fixing bracket and the lower housing of the present utility model.
Fig. 4 is a schematic cross-sectional structure of the sodium battery module of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 to 3, a sodium battery module 100 is mounted on an electric bicycle to provide electric power for the electric bicycle. The sodium battery module 100 comprises a shell 11, a fixed bracket 12, a nickel plated steel belt 13, an insulating sheet 14 and a plurality of single battery cells 15. The housing 11 includes an upper case 111 and a lower case 112, the upper case 111 and the lower case 112 are mutually covered and connected to form an accommodating space inside the housing 11, the fixing bracket 12, the nickel plating steel belt 13, the insulating sheet 14 and the single cell 15 are arranged inside the housing 11, and the housing 11 is used for protecting and accommodating the fixing bracket 12, the nickel plating steel belt 13, the insulating sheet 14 and the single cell 15. The fixing bracket 12 and the lower case 112 are detachably fixed, the fixing bracket 12 includes an upper fixing bracket 121 and a lower fixing bracket 122, a mounting hole 123 for accommodating the unit cell 15 is provided between the upper fixing bracket 121 and the lower fixing bracket 122, and the unit cell 15 is disposed in the mounting hole 123 such that the unit cell 15 is fixed to the case 11 through the fixing bracket 12. The top surface of the upper fixing support 121 and the bottom surface of the lower fixing support 122 are respectively provided with grooves 124 for accommodating the nickel plating steel belts 13 and the insulating sheets 14, the nickel plating steel belts 13 are arranged in the grooves 124 of the top surface of the upper fixing support 121 and the bottom surface of the lower fixing support 122, and the nickel plating steel belts 13 are used for conducting connection of the individual cells 15. The insulating sheet 14 is disposed in the grooves 124 of the top surface of the upper fixing bracket 121 and the bottom surface of the lower fixing bracket 122, the insulating sheet 14 is disposed on the outer side surface of the nickel plated steel strip 13, and the insulating sheet 14 is shaped to cover the nickel plated steel strip 13. The nickel plated steel strip 13 and the insulating sheet 14 are grid-shaped with holes, and the positions between the grooves 124 corresponding to the holes are provided with bumps, and the holes and the bumps on the insulating sheet 14 are clamped so as to fix the insulating sheet 14 to the fixing bracket 12.
As shown in fig. 3 and 4, the outer peripheral edge of the fixing bracket 12 is provided with a first fixing mechanism 125, the first fixing mechanism 125 is used for detachably and fixedly connecting the upper fixing bracket 121 and the lower fixing bracket 122, the first fixing mechanism 125 comprises first hole columns 1251 which are arranged in pairs and respectively extend from the upper fixing bracket 121 and the lower fixing bracket 122 to be contacted in opposite directions, and the upper fixing bracket 121 and the lower fixing bracket 122 are fixed in the first hole columns 1251 through first bolts 1252. One end of each group of first hole columns 1251, which are contacted with each other, is in plug-in fit so as to improve the connection stability of the upper fixing bracket 121 and the lower fixing bracket 122.
As shown in fig. 3 and 4, the outer peripheral edge of the fixing bracket 12 is further provided with a second fixing mechanism 126 for fixing the fixing bracket 12 to the lower case 112, the second fixing mechanism 126 includes second hole columns 1261 provided in pairs and extending from the upper fixing bracket 121 and the lower case 112, respectively, the second hole columns 1261 on the lower case 112 have internal threads in threaded engagement with the second bolts 1262, and the second hole columns 1261 fix the upper fixing bracket 121 and the lower case 112 by the second bolts 1262. The lower fixing bracket 122 has a sleeve 1221 extending to one side of the upper fixing bracket 121, and a second hole post 1261 formed in the lower housing 112 is inserted into the sleeve 1221, so that the lower housing 112 has a certain supporting effect on the lower fixing bracket 122 through the sleeve 1221 and can slow down the vibration of the lower fixing bracket 122.
According to the sodium battery module 100 provided by the utility model, the single battery cell 15, the nickel-plated steel strip 13 and the insulating sheet 14 are fixed on the fixed support 12, the upper fixed support 121 and the lower fixed support 122 of the fixed support 12 are fixed by the first bolt 1252, and the fixed support 12 can be firmly connected with the single battery cell 15, the nickel-plated steel strip 13 and the insulating sheet 14; through the arrangement mode that the upper fixing support 121 and the lower shell 112 are fixedly connected through the second bolts 1262, and the second hole columns 1261 on the lower shell 112 are sleeved in the sleeves 1221 of the lower fixing support 122, the fixing support can be firmly connected with the lower shell 112, so that the number of parts used for fixing the sodium battery module 100 is small and the parts are not easy to loosen, and the problem that the parts used for fixing are unstable due to partial loosening is solved.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a firm sodium battery module for electric bicycle, includes the shell, the shell includes upper casing and lower casing that mutually cover, be equipped with a plurality of sections monomer electric core in the casing, be equipped with the fixed bolster in the casing, the fixed bolster includes upper fixed bolster and lower fixed bolster that can dismantle the fixing, be equipped with the mounting hole that is used for holding each monomer electric core between upper fixed bolster and the lower fixed bolster, the top surface of upper fixed bolster and the bottom surface of lower fixed bolster are equipped with the nickel plating steel band that is used for with monomer electric core conductive connection respectively, its characterized in that, the lateral surface of nickel plating steel band still is equipped with the insulating piece that covers the nickel plating steel band, nickel plating steel band and insulating piece are the latticed that has the hole, the top surface of upper fixed bolster and the top surface of lower fixed bolster are equipped with the recess that is used for holding nickel plating steel band and insulating piece respectively, the lug of corresponding hole joint is left between the recess with the hole of insulating piece.
The fixed support and the lower shell are detachably fixed.
2. The sodium battery module for a firm electric bicycle according to claim 1, wherein the outer peripheral edge of the fixing bracket is provided with a first fixing mechanism for detachably fixing the upper fixing bracket and the lower fixing bracket, the first fixing mechanism comprises first hole columns which are arranged in pairs and respectively extend from the upper fixing bracket and the lower fixing bracket to be contacted in opposite directions, and the upper fixing bracket and the lower fixing bracket are fixed in the first hole columns through first bolts.
3. The sodium battery module for a stationary electric bicycle of claim 2, wherein the two first hole columns of each set are in mating engagement at one end thereof in contact with each other.
4. The sodium battery module for a firm electric bicycle according to claim 1, wherein the outer peripheral edge of the fixing bracket is further provided with a second fixing mechanism for fixing the fixing bracket to the lower housing, the second fixing mechanism comprises second hole columns which are arranged in pairs and extend from the upper fixing bracket and the lower housing in opposite directions respectively, and the upper fixing bracket and the lower housing are fixed in the second hole columns through second bolts.
5. The firm in fixation sodium battery module for an electric bicycle of claim 4, wherein the lower fixing bracket has a sleeve extending to one side of the upper fixing bracket, and the second hole post of the lower housing is sleeved in the sleeve.
6. The stationary sodium battery module as set forth in claim 4, wherein the second hole post of the lower housing has an internal thread that is threadedly engaged with the second bolt.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321137532.0U CN219696591U (en) | 2023-05-09 | 2023-05-09 | Firm sodium battery module for electric bicycle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321137532.0U CN219696591U (en) | 2023-05-09 | 2023-05-09 | Firm sodium battery module for electric bicycle |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219696591U true CN219696591U (en) | 2023-09-15 |
Family
ID=87938760
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321137532.0U Active CN219696591U (en) | 2023-05-09 | 2023-05-09 | Firm sodium battery module for electric bicycle |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219696591U (en) |
-
2023
- 2023-05-09 CN CN202321137532.0U patent/CN219696591U/en active Active
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GR01 | Patent grant |