CN210576278U

CN210576278U - Waterproof lithium ion battery

Info

Publication number: CN210576278U
Application number: CN201920845678.8U
Authority: CN
Inventors: 奉平
Original assignee: Hunan Max New Energy Co Ltd
Current assignee: Hunan Max New Energy Co Ltd
Priority date: 2019-06-04
Filing date: 2019-06-04
Publication date: 2020-05-19
Anticipated expiration: 2029-06-04

Abstract

The utility model discloses a waterproof lithium ion battery, including lithium ion battery group and protecting sheathing, lithium ion battery group includes lithium cell main part, plastic top cap, spring washer, rubber waterproofing membrane, waterproof chamber, activity buckle, top cap, joint strip, group battery base, group battery top cap, battery jar and polyurethane sealed glue, protecting sheathing includes group battery shell, heat dissipation shell, output end sleeve, screw thread top cap, seal ring, inlet tube and drain pipe, the plastic top cap is installed at lithium cell main part top, spring washer is installed to lithium cell main part bottom. The utility model relates to a rationally novel, the installation is simple, can improve lithium ion battery's waterproof dustproof performance, has certain shock-absorbing function, has enlarged lithium ion battery's application scope, and can cool down the heat dissipation to lithium ion battery and handle, reduces the heat that lithium ion battery during operation produced, and is comparatively practical, is fit for extensively promoting and using.

Description

Waterproof lithium ion battery

Technical Field

The utility model relates to a lithium ion battery, in particular to waterproof lithium ion battery.

Background

A lithium ion battery is a secondary battery, i.e., a rechargeable battery, which mainly operates by movement of lithium ions between a positive electrode and a negative electrode. During charge and discharge, lithium ions are inserted and extracted back and forth between the two electrodes, and during charge, lithium ions are extracted from the positive electrode and inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state, whereas during discharge, the reverse is true.

The lithium ion battery has harsh use conditions due to the limitation of the structure and the material of the lithium ion battery, and can be normally used only in an anhydrous and dustless environment, so that the use range of the lithium ion battery is severely limited. Therefore, a waterproof lithium ion battery is provided.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a waterproof lithium ion battery, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a waterproof lithium ion battery comprises a lithium ion battery pack and a protective shell, wherein the lithium ion battery pack comprises a lithium battery main body, a plastic top cover, a spring washer, a rubber waterproof coiled material, a waterproof cavity, a movable buckle, a top cover, a sealing rubber strip, a battery pack base, a battery pack top cover, a battery jar and a polyurethane sealant, the protective shell comprises a battery pack shell, a radiating shell, an output end sleeve, a thread top cover, a sealing washer, a water inlet pipe and a water outlet pipe, the plastic top cover is installed at the top of the lithium battery main body, the spring washer is installed at the bottom of the lithium battery main body, the rubber waterproof coiled material is wrapped on the outer side wall of the lithium battery main body, the waterproof cavity is installed at the top of the lithium battery main body in the vertical direction of the outer side wall of the, the lithium ion battery pack is characterized in that a battery pack top cover is installed at the top of the lithium ion battery pack, a battery pack shell is installed inside the protection shell, a heat dissipation shell is installed on the outer side wall of the battery pack shell, an output end sleeve is arranged in the vertical direction of the top of the protection shell, the top of the output end sleeve is connected with a threaded top cover in a matched mode, and a sealing washer is installed at the joint of the output end sleeve and the protection.

Further, waterproof chamber top has the top cap through activity buckle swing joint, joint strip is installed at waterproof intracavity lateral wall top.

Furthermore, the lithium battery main body is detachably connected to the vertical direction inside the battery jar, and polyurethane sealant is sprayed on the inner side wall of the battery jar.

Furthermore, a water inlet pipe is installed in the vertical direction of the top of the heat dissipation shell, and a water drain pipe is installed in the horizontal direction of the bottom of the outer side wall of the heat dissipation shell.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a waterproof lithium ion battery through the plastic top cap at lithium cell main part top installation, has both had good waterproof performance, can play insulating effect again, prevents the lithium cell electric leakage, and long when promoting lithium ion battery's use, the rubber waterproofing membrane of lateral wall cladding can further improve lithium ion battery's waterproof performance, and the spring washer of bottom installation can reduce the vibrations that lithium cell main part received, protects lithium cell main part's steady operation.

2. The utility model discloses a waterproof lithium ion battery, through organizing with protecting sheathing cladding lithium ion battery, protecting sheathing is sealed environment, both can protect lithium ion battery not wet, promotes lithium ion battery's waterproof performance, can completely cut off outside dust again, improves lithium ion battery's application scope, and inlet tube and drain pipe are installed to the heat dissipation shell, to the inside cooling water that pours into of heat dissipation shell, can cool down the thermal treatment for lithium ion battery group, reduce the heat that the lithium cell produced in the use.

Drawings

Fig. 1 is a schematic diagram of a main structure of a lithium battery of the waterproof lithium ion battery of the present invention;

fig. 2 is a schematic diagram of a lithium ion battery pack of a waterproof lithium ion battery of the present invention;

fig. 3 is the structural schematic diagram of the protective casing of the waterproof lithium ion battery of the present invention.

In the figure: 1. a lithium ion battery pack; 2. a protective housing; 3. a lithium battery main body; 4. a plastic top cover; 5. a spring washer; 6. a rubber waterproof roll; 7. a waterproof cavity; 8. a movable buckle; 9. a top cover; 10. sealing rubber strips; 11. a battery pack base; 12. a battery pack top cover; 13. a battery case; 14. a polyurethane sealant; 15. A battery pack case; 16. a heat dissipation housing; 17. an output end sleeve; 18. a threaded cap; 19. a sealing gasket; 20. a water inlet pipe; 21. and a water discharge pipe.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a waterproof lithium ion battery comprises a lithium ion battery pack 1 and a protective housing 2, wherein the lithium ion battery pack 1 comprises a lithium battery main body 3, a plastic top cover 4, a spring washer 5, a rubber waterproof coiled material 6, a waterproof cavity 7, a movable buckle 8, a top cover 9, a sealing rubber strip 10, a battery pack base 11, a battery pack top cover 12, a battery jar 13 and a polyurethane sealant 14, the protective housing 2 comprises a battery pack housing 15, a heat dissipation shell 16, an output end sleeve 17, a threaded top cover 18, a sealing washer 19, a water inlet pipe 20 and a water drain pipe 21, the plastic top cover 4 is installed at the top of the lithium battery main body 3, the spring washer 5 is installed at the bottom of the lithium battery main body 3, the outer side wall of the lithium battery main body 3 is coated with the rubber waterproof coiled material 6, the, the battery pack comprises a lithium ion battery pack 1, a battery pack base 11 is installed at the bottom of the lithium ion battery pack 1, a battery groove 13 and a plurality of battery grooves 13 are formed in the surface of the battery pack base 11, a battery pack top cover 12 is installed at the top of the lithium ion battery pack 1, a battery pack shell 15 is installed inside a protection shell 2, a heat dissipation shell 16 is installed on the outer side wall of the battery pack shell 15, an output end sleeve 17 is installed in the vertical direction of the top of the protection shell 2, the top of the output end sleeve 17 is connected with a threaded top cover 18 in a matched mode, and.

The top of the waterproof cavity 7 is movably connected with a top cover 9 through a movable buckle 8, and a sealing rubber strip 10 is installed at the top of the inner side wall of the waterproof cavity 7.

This embodiment is as shown in fig. 1, and top cap 9 through activity buckle 8 swing joint in waterproof chamber 7 top can cover when not using, prevents that the dust from getting into lithium cell main part 3 output from waterproof chamber 7, and joint strip 10 can improve the connection seal when top cap 9 is closed.

The lithium battery main body 3 is detachably connected to the inside of the battery jar 13 in the vertical direction, and polyurethane sealant 14 is sprayed on the inner side wall of the battery jar 13.

In this embodiment, as shown in fig. 2, the battery jar 13 is multiple, and different quantities of lithium battery main bodies 3 can be installed according to different use requirements, and the sprayed polyurethane sealant 14 can improve the waterproof performance of the joint between the lithium battery main bodies 3 and the battery jar 13.

Wherein, a water inlet pipe 20 is installed in the vertical direction of the top of the heat dissipation shell 16, and a water outlet pipe 21 is installed in the horizontal direction of the bottom of the outer side wall of the heat dissipation shell 16.

In this embodiment, as shown in fig. 3, the cooling water can be injected into the heat dissipation housing 16 through the water inlet pipe 20, and the used cooling water in the heat dissipation housing 16 can be conveniently discharged through the water outlet pipe 21.

It should be noted that the utility model is a waterproof lithium ion battery, the plastic top cover 4 is arranged at the bottom of the lithium battery main body 3, which not only can play the role of water proofing, but also has the function of insulation, can prevent the lithium battery main body 3 from electric leakage, and prolong the service time of the lithium battery, the rubber waterproof coiled material 6 covered by the outer side wall of the lithium battery main body 3 does not affect the normal use of the lithium battery main body 3, and has good waterproof performance, the spring gasket 5 arranged at the bottom of the lithium battery main body 3 can play the role of shock absorption and shake prevention, and ensures the stability of the lithium battery main body 3 in the use process, the waterproof cavity 7 is arranged at the outer part of the output end of the lithium battery main body 3, and can effectively improve the waterproof performance of the output end of the lithium battery main body 3, the top cover 9 connected by the movable buckle 8 is opened in the, the sealing rubber strip 10 can improve the tightness of connection with the waterproof cavity 7 when the top cover 9 is closed, the battery pack base 11 is provided with a plurality of battery grooves 13, different quantities of lithium battery main bodies 3 can be installed according to different use requirements, the waterproof performance of the connection part of the lithium battery main bodies 3 and the battery grooves 13 can be improved by polyurethane sealant 14 sprayed on the inner side wall of the battery grooves 13, the lithium ion battery pack 1 is installed in the protective shell 2, the protective shell 2 can not only prevent the influence of the external humid environment on the lithium ion battery pack 1, but also has the functions of dust prevention and pollution prevention, the application range of the lithium ion battery is improved, the output end of the lithium ion battery pack 1 extends to the inside of the output end sleeve 17, and when the threaded top cover 18 which is connected with the top of the output end sleeve 17 in a matched mode is closed, water and dust, can supply power for the external equipment through electric connection when opening, do not influence the normal use of lithium ion battery group 1, seal ring 19 has improved the seal of output sleeve 17 with the 2 junctions of protecting sheathing, the heat dissipation shell 16 of 15 lateral walls installations of group battery shell, think the inside cooling water that pours into of heat dissipation shell 16 through inlet tube 20, can cool down the heat dissipation for lithium ion battery group 1 and handle, effectively reduce the heat that 1 during operation of lithium ion battery group produced, drain pipe 21 can conveniently discharge and use the inside cooling water of heat dissipation shell 16 after accomplishing.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A waterproof lithium ion battery comprises a lithium ion battery pack (1) and a protective shell (2), and is characterized in that: lithium ion battery group (1) is including lithium cell main part (3), plastic top cap (4), spring washer (5), rubber waterproofing membrane (6), waterproof chamber (7), activity buckle (8), top cap (9), joint strip (10), group battery base (11), group battery top cap (12), battery jar (13) and polyurethane sealed glue (14), protecting sheathing (2) are including battery pack shell (15), heat dissipation shell (16), output sleeve (17), screw thread top cap (18), seal ring (19), inlet tube (20) and drain pipe (21), plastic top cap (4) are installed at lithium cell main part (3) top, spring washer (5) are installed to lithium cell main part (3) bottom, lithium cell main part (3) lateral wall cladding has rubber waterproofing membrane (6), lithium cell main part (3) top is located lithium cell main part (3) output lateral wall vertical direction and installs waterproof chamber (3), waterproof chamber (14) are installed to lithium cell main part (3) output lateral wall 7) The lithium ion battery pack (1) bottom is installed group battery base (11), battery jar (13) and battery jar (13) have been seted up on group battery base (11) surface and are a plurality of, group battery top cap (12) are installed at lithium ion battery pack (1) top, protecting sheathing (2) internally mounted has group battery shell (15), heat dissipation shell (16) are installed to group battery shell (15) lateral wall, output sleeve (17) have been seted up to the vertical direction in protecting sheathing (2) top, output sleeve (17) top cooperation is connected with screw top cap (18), seal ring (19) are installed with protecting sheathing (2) junction to output sleeve (17).

2. The waterproof lithium ion battery of claim 1, wherein: the top of the waterproof cavity (7) is movably connected with a top cover (9) through a movable buckle (8), and a sealing rubber strip (10) is installed at the top of the inner side wall of the waterproof cavity (7).

3. The waterproof lithium ion battery of claim 1, wherein: the lithium battery is characterized in that a lithium battery main body (3) is detachably connected to the vertical direction inside the battery jar (13), and polyurethane sealant (14) is sprayed on the inner side wall of the battery jar (13).

4. The waterproof lithium ion battery of claim 1, wherein: a water inlet pipe (20) is installed in the vertical direction of the top of the heat dissipation shell (16), and a water drain pipe (21) is installed in the horizontal direction of the bottom of the outer side wall of the heat dissipation shell (16).