CN216597793U

CN216597793U - High waterproof performance lithium battery pack

Info

Publication number: CN216597793U
Application number: CN202122688585.9U
Authority: CN
Inventors: 陈大波; 彭青松; 蔡金林
Original assignee: Zhejiang Weilaiyou Lithium New Energy Technology Co ltd
Current assignee: Zhejiang Weilaiyou Lithium New Energy Technology Co ltd
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-05-24
Anticipated expiration: 2031-11-05

Abstract

The utility model discloses a high-waterproof performance lithium battery pack which comprises a waterproof shell and a flange cover plate, wherein an installation through hole is formed in the upper portion of one end of the waterproof shell, a flange plate is fixedly connected to the opening portion of the installation through hole, the flange cover plate is fixedly installed on the top of the flange plate through bolts, two groups of coiled pipes are fixedly communicated with the top of the flange cover plate, one end of an insulated conducting wire is connected with an insulated connector, a threaded hole is formed in one end of the connector, and a conductive contact head connected with an inner conductor of the insulated conducting wire is installed at one end inside the threaded hole. The waterproof shell, the flange plate and the flange cover plate can achieve a good waterproof effect, and the power connection part is also in a sealed state by matching the connector with the external connector, so that electric leakage is prevented; even outside water logging does not have the coiled pipe, also can't enter into inside the waterproof casing, plays fine water-proof effects, and when normal use, the inside gas of waterproof casing can be followed the intraductal discharge of coiled pipe, can not form the excessive pressure.

Description

High waterproof performance lithium battery pack

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a lithium battery component with high waterproof performance.

Background

A lithium battery is a battery using a nonaqueous electrolyte solution and lithium metal or a lithium alloy as a negative electrode material, and therefore such a battery is also called a lithium metal battery. Unlike other batteries, lithium batteries have the characteristics of high charge density, long service life, high unit cost and the like.

When a plurality of lithium batteries are used outdoors, the lithium batteries are often influenced by rain; for good radiating effect, the waterproof performance of general lithium cell is not high relatively, and the condition of lithium cell electric leakage often can appear in outdoor rainy weather, and if adopt totally enclosed lithium cell, when normal use, the lithium cell generates heat, and inside atmospheric pressure increases, causes lithium cell housing to swell easily, even damaged. Therefore, a lithium battery pack with high waterproof performance is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a lithium battery pack with high waterproof performance, and the lithium battery pack is used for solving the problem that the existing outdoor lithium battery in the background technology is poor in waterproof performance.

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

the utility model provides a high waterproof performance lithium battery pack, includes waterproof casing and flange apron, the installation opening has been seted up on the one end upper portion of waterproof casing, the oral area fixedly connected with ring flange of installation opening, the flange apron passes through bolt fixed mounting at the top of ring flange, the fixed intercommunication in top of flange apron has two sets of coiled pipes, and is two sets of the insulated wire who is connected with positive pole and negative pole is installed respectively to the inside of coiled pipe, insulated wire's one end is connected with insulating connector, the screw thread mouth has been seted up to the one end of connector, the conductive contact head of being connected with insulated wire inner conductor is installed to the inside one end of screw thread mouth.

Preferably, the surface of the insulated wire is equidistantly connected with a plurality of guard rings, and the guard rings are slidably arranged in the serpentine tube.

Preferably, the connector is provided with a conical structure outside, and a rubber sleeve is fixedly sleeved on the outer surface of the connector.

Preferably, the bottom of the flange cover plate is fixedly connected with a sealing washer, the surface of the flange plate is provided with a threaded hole, and the edge of the flange cover plate is provided with a through hole aligned with the threaded hole.

Preferably, the connector further comprises an outer connector, one end of the outer connector is connected with the outer connecting wire, the other end of the outer connector is connected with an insulated outer connector, one end of the outer connector is fixedly connected with a conductive connector which is in fit contact with the conductive contact connector, and one end of the conductive connector penetrates through the outer connector and is connected with a conductor in the outer connecting wire.

Preferably, a rubber packing is fixedly bonded to one side of the outer joint.

Compared with the prior art, the utility model has the beneficial effects that:

when the waterproof connector is used, a good waterproof effect can be achieved through the waterproof shell, the flange plate and the flange cover plate, and the power connection part is also in a sealed state by utilizing the matching of the connector and the external connector, so that electric leakage is prevented; even outside water logging does not have the coiled pipe, rivers enter into the coiled pipe, can increase the inside atmospheric pressure of waterproof casing, simultaneously because the stopping of guard circle for water remains inside the low water level of coiled pipe, can't enter into inside the waterproof casing, plays fine water-proof effects, and when normal use, the inside gas of waterproof casing can be followed the coiled pipe and discharged, can not form the excessive pressure.

Drawings

FIG. 1 is a schematic view of a disassembled structure of a waterproof housing and a flange cover plate according to the present invention;

FIG. 2 is a schematic structural view of a flange cover plate of the present invention;

FIG. 3 is a schematic view of a disassembled structure of the connector and the external connector of the present invention;

fig. 4 is a schematic view of the internal structure of the screw port of the present invention.

In the figure: 1. a waterproof housing; 2. installing a through opening; 3. a flange plate; 4. a threaded hole; 5. a flange cover plate; 6. a sealing gasket; 7. a through hole; 8. a serpentine tube; 9. an insulated wire; 901. a guard ring; 902. a connector; 903. a rubber sleeve; 904. a threaded opening; 905. a conductive contact; 10. an outer joint; 1001. a rubber seal ring; 1002. an external thread head; 1003. a conductive head; 11. and an external connecting wire.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a lithium battery pack with high waterproof performance comprises a waterproof casing 1 and a flange cover plate 5, wherein an installation port 2 is formed in the upper portion of one end of the waterproof casing 1, a flange plate 3 is fixedly connected to the opening of the installation port 2, the flange cover plate 5 is fixedly installed at the top of the flange plate 3 through bolts, two groups of serpentine tubes 8 are fixedly communicated with the top of the flange cover plate 5, insulated wires 9 connected with the positive electrode and the negative electrode are respectively installed inside the two groups of serpentine tubes 8, one end of each insulated wire 9 is connected with an insulated connector 902, one end of each connector 902 is provided with a threaded port 904, and a conductive contact 905 connected with the inner conductor of each insulated wire 9 is installed at one end of the inner part of each threaded port 904.

As shown in fig. 3, a plurality of guard rings 901 are equidistantly connected to the surface of the insulated wire 9, and the guard rings 901 are slidably mounted in the serpentine tube 8. In the above design, the protective ring 901 is a plastic ring, a rubber ring or a waterproof breathable ring, which can play a waterproof role.

As shown in fig. 2 and 3, the outer portion of the connection head 902 is configured as a tapered structure, and a rubber sleeve 903 is fixedly sleeved on the outer surface of the connection head 902. After water enters the inside of the coiled pipe 8, under the water pressure, the protective ring 901 drives the insulated wire 9 to retract, so that the rubber sleeve 903 is abutted against the mouth of the coiled pipe 8 to form sealing.

As shown in fig. 1, a sealing washer 6 is fixedly connected to the bottom of the flange cover plate 5, a threaded hole 4 is formed in the surface of the flange plate 3, and a through hole 7 aligned with the threaded hole 4 is formed in the edge of the flange cover plate 5. In the design, the lower ends of the bolts penetrate through the through holes 7 to be connected with the threaded holes 4, so that the flange cover plate 5 is fixed on the flange plate 3.

Specifically, as shown in fig. 3, the above scheme further includes an external joint 10, one end of the external joint 10 is connected to the external connection line 11, the other end of the external joint 10 is connected to an insulated external thread joint 1002, one end of the external thread joint 1002 is fixedly connected to a conductive joint 1003 in contact with the conductive contact 905 in a matching manner, and one end of the conductive joint 1003 penetrates through the external thread joint 1002 and the external joint 10 and is connected to a conductor in the external connection line 11. Above-mentioned design, outer joint 10 is connected with outside consumer through outer connecting wire 11, and outer joint 10 and connector 902 threaded connection, can waterproof seal.

As shown in fig. 3, a rubber packing 1001 is fixedly bonded to one side of the outer joint 10. With the above design, the rubber seal 1001 further increases the sealing effect.

When the lithium battery pack is implemented, the lithium battery pack is installed in the waterproof shell 1, and the positive electrode and the negative electrode of the lithium battery pack are respectively communicated with the two insulated wires 9.

In conclusion, the waterproof shell 1, the flange plate 3 and the flange cover plate 5 can achieve a good waterproof effect, and the power connection position is also in a sealed state by matching the connector 902 with the outer connector 10; even outside water logging does not have coiled pipe 8, rivers enter into coiled pipe 8 in, can increase the inside atmospheric pressure of waterproof casing 1, simultaneously because the stopping of guard ring 901 for water remains inside the low water level of coiled pipe 8, can't enter into inside waterproof casing 1, plays fine water-proof effects, and when normal use, the inside gas of waterproof casing 1 can be followed and coiled pipe 8 is interior to be discharged, can not form the excessive pressure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high waterproof performance lithium battery pack which characterized in that: including waterproof casing and flange apron, the installation opening has been seted up on the one end upper portion of waterproof casing, the oral area fixedly connected with ring flange of installation opening, the flange apron passes through bolt fixed mounting at the top of ring flange, the fixed intercommunication in top of flange apron has two sets of coiled pipes, and is two sets of the insulated wire who is connected with positive pole and negative pole is installed respectively to the inside of coiled pipe, insulated wire's one end is connected with insulating connector, the screw thread mouth has been seted up to the one end of connector, the conductive contact head of being connected with insulated wire inner conductor is installed to the inside one end of screw thread mouth.

2. The lithium battery pack with high waterproof performance as claimed in claim 1, wherein: the surface equidistance of insulated wire is connected with a plurality of guard rings, guard ring slidable mounting is in the serpentine pipe.

3. The lithium battery pack with high waterproof performance as claimed in claim 2, wherein: the outside of connector sets up to the toper structure, and the external surface fixed of connector has cup jointed the rubber sleeve.

4. The lithium battery pack with high waterproof performance as claimed in claim 1, wherein: the bottom of the flange cover plate is fixedly connected with a sealing washer, the surface of the flange plate is provided with a threaded hole, and the edge of the flange cover plate is provided with a through hole aligned with the threaded hole.

5. The lithium battery pack with high waterproof performance as claimed in claim 1, wherein: still including the external joint, the one end and the external connecting line of external joint are connected, and the other end of external joint is connected with insulating external screw thread joint, the one end fixedly connected with of external screw thread joint and the conductive contact head cooperation contact lead the electric connector, the one end of leading the electric connector runs through external screw thread joint, external joint and is connected with the conductor in the external connecting line.

6. The lithium battery pack with high waterproof performance according to claim 5, wherein: and a rubber sealing ring is fixedly bonded on one side of the outer joint.