CN209963100U - ND48V 20Ah electric bicycle lithium ion battery device - Google Patents
ND48V 20Ah electric bicycle lithium ion battery device Download PDFInfo
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- CN209963100U CN209963100U CN201920494114.4U CN201920494114U CN209963100U CN 209963100 U CN209963100 U CN 209963100U CN 201920494114 U CN201920494114 U CN 201920494114U CN 209963100 U CN209963100 U CN 209963100U
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- inner shell
- lithium ion
- nd48v
- electric bicycle
- ion battery
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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
Abstract
The utility model discloses a ND48V 20Ah electric bicycle lithium ion battery device, including battery module and metal casing, its characterized in that: the top cover of the metal outer shell is provided with a plastic inner shell at the bottom of a side plate, the top and the bottom of the plastic inner shell are both provided with waterproof rings, the top of the plastic inner shell is also provided with a vent valve and a controller joint, one side of the vent valve is provided with a charging joint and a connector joint, and four corners of the plastic inner shell are both provided with fixing bolts; the utility model provides a ND48V 20Ah electric bicycle lithium ion battery device, improved the available gross energy of battery; the reliability of the product is enhanced and the process is simplified; the protective performance is higher, and the security performance is better, is fit for promoting.
Description
Technical Field
The utility model relates to a battery especially involves a ND48V 20Ah electric bicycle lithium ion battery device, belongs to battery equipment technical field.
Background
The lithium ion electric bicycle is an electric bicycle with a special lithium battery as an auxiliary energy source, and is a mechatronic personal transportation tool provided with a motor, a controller, a storage battery, a rotating handle brake handle and other operating components and a display instrument system. The lithium battery electric bicycle uses the latest lithium ion battery. The lithium ion battery has the biggest advantages of long service life and small occupied space; the defects are that the price is expensive, the market popularization rate is low, the common lithium ion battery is easy to damage, and the protection performance is poor.
Disclosure of Invention
Technical problem to be solved
In order to solve the problem, the utility model provides a ND48V 20Ah electric bicycle lithium ion battery device.
(II) technical scheme
The utility model discloses a ND48V 20Ah electric bicycle lithium ion battery device, including battery module and metal casing, its characterized in that: the metal outer shell top cover is provided with a plastic inner shell at the bottom of the side plate, waterproof rings are arranged at the top and the bottom of the plastic inner shell, a vent valve and a controller joint are further arranged at the top of the plastic inner shell, a charging head and a connector lug are arranged on one side of the vent valve, and fixing bolts are arranged at four corners of the plastic inner shell.
Furthermore, the battery module is provided with a positive stage and a negative stage, and the battery module is formed by combining a plurality of 18650 cylindrical electric cores.
Furthermore, a protection plate is arranged on the side face of the plastic inner shell and is connected with the positive and negative two stages of the battery module.
Furthermore, the top of the metal shell is provided with an empty groove, and the charging head, the connector lug, the ventilation valve and the controller connector are arranged outside the metal shell through the empty groove.
Furthermore, the plastic inner shell is formed by injection molding, waterproof rings are additionally arranged on the upper cover and the lower cover, and the top of the plastic inner shell is also provided with a ventilation valve.
(III) advantageous effects
Compared with the prior art, the utility model, it has following beneficial effect: the utility model provides a ND48V 20Ah electric bicycle lithium ion battery device, adopts 18650 cylinder type electricity core, makes full use of the space has improved the available gross energy of battery; the combination mode adopts plastic supports for stacking, 4M 4X120mm bolts are used for fastening, and the protection board is connected with the positive and negative of the battery pack module, so that the reliability of the product is enhanced and the process is simplified; the inner shell is formed by plastic injection molding, a waterproof ring is additionally arranged between the upper cover and the lower cover to achieve waterproof, dustproof and oil-stain-proof IP67 protection levels, and a vent valve is arranged at the top of the inner shell, wherein the vent valve generates severe pressure difference due to heat dissipation of a product and rapid temperature change caused by weather conditions; the product shell adopts high strength, shock-resistant, anti-disassembly metal casing, and barrier propterty is higher, and the security performance is better.
Drawings
Fig. 1 is a schematic view of the semi-anatomical structure of the present invention.
Fig. 2 is the internal structure schematic diagram of the protective casing of the present invention.
1-a battery module; 2-a metal housing; 3-waterproof ring; 4-a vent valve; 5-controller joint; 6-a charging head; 7-a connector lug; 8-bolt; 9-cylindrical electrical core; 10-plastic inner shell.
Detailed Description
The lithium ion battery device for the ND48V 20Ah electric bicycle comprises a battery module 1 and a metal shell 2, and is characterized in that: the top cover of the metal outer shell 2 is provided with a plastic inner shell 10 at the bottom of a side plate, waterproof rings 3 are arranged at the top and the bottom of the plastic inner shell, a vent valve 4 and a controller joint 5 are further arranged at the top of the plastic inner shell 10, a charging head 6 and a connector lug 7 are arranged on one side of the vent valve 4, and fixing bolts 8 are arranged at four corners of the plastic inner shell 10;
the battery module is provided with a positive level and a negative level, and is formed by combining a plurality of 18650 cylindrical battery cells; the side surface of the plastic inner shell 10 is provided with a protection plate which is connected with the positive and negative two stages of the battery module 1; the top of the metal shell 2 is provided with a hollow groove, and the charging head 6, the connector lug 7, the vent valve 4 and the controller connector 5 are arranged outside the metal shell 2 through the hollow groove; the plastic inner shell 10 is formed by injection molding, the upper cover and the lower cover are both additionally provided with waterproof rings 3, and the top of the plastic inner shell is also provided with a ventilation valve 4.
The utility model provides a ND48V 20Ah electric bicycle lithium ion battery device, improved the available gross energy of battery; the reliability of the product is enhanced and the process is simplified; the protective performance is higher, and the security performance is better, is fit for promoting.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (5)
1. The utility model provides a ND48V 20Ah electric bicycle lithium ion battery device, includes battery module (1) and metal casing (2), its characterized in that: the metal casing (2) top cap be provided with plastics inner shell (10) with curb plate bottom, plastics inner shell top and bottom all be provided with waterproof circle (3), plastics inner shell (10) top still be provided with breather valve (4) and controller joint (5), breather valve (4) one side be provided with charge head (6) and connector lug (7), plastics inner shell (10) four corners department all be provided with fixing bolt (8).
2. The ND48V 20Ah electric bicycle lithium ion battery device of claim 1, wherein: the battery module (1) is provided with a positive stage and a negative stage, and the battery module (1) is formed by combining a plurality of 18650 cylindrical battery cores (9).
3. The ND48V 20Ah electric bicycle lithium ion battery device of claim 1, wherein: and a protection plate is arranged on the side surface of the plastic inner shell (10), and the protection plate is connected with the positive and negative two stages of the battery module (1).
4. The ND48V 20Ah electric bicycle lithium ion battery device of claim 1, wherein: the top of the metal shell (2) is provided with an empty groove, and the charging head (6), the connector lug (7), the ventilation valve (4) and the controller connector (5) are arranged outside the metal shell (2) through the empty groove.
5. The ND48V 20Ah electric bicycle lithium ion battery device of claim 1, wherein: the plastic inner shell (10) is formed by injection molding, waterproof rings (3) are additionally arranged on the upper cover and the lower cover, and the top of the plastic inner shell is also provided with a ventilation valve (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920494114.4U CN209963100U (en) | 2019-04-12 | 2019-04-12 | ND48V 20Ah electric bicycle lithium ion battery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920494114.4U CN209963100U (en) | 2019-04-12 | 2019-04-12 | ND48V 20Ah electric bicycle lithium ion battery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209963100U true CN209963100U (en) | 2020-01-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920494114.4U Active CN209963100U (en) | 2019-04-12 | 2019-04-12 | ND48V 20Ah electric bicycle lithium ion battery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209963100U (en) |
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2019
- 2019-04-12 CN CN201920494114.4U patent/CN209963100U/en active Active
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