CN220290641U

CN220290641U - Super capacitor with sealing ring

Info

Publication number: CN220290641U
Application number: CN202321844856.8U
Authority: CN
Inventors: 陈正瑞
Original assignee: Zhejiang Langying Electric Technology Co ltd
Current assignee: Zhejiang Langying Electric Technology Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-01-02
Anticipated expiration: 2033-07-13

Abstract

The utility model relates to the technical field of capacitors, in particular to a super capacitor with a sealing ring, which comprises a shell, wherein the shell is of a columnar structure with one end being open, a hollow accommodating cavity for accommodating a battery pack is formed in an inner cavity of the shell, a sealing piece is arranged at a position, close to the opening, of the accommodating cavity, and comprises the sealing ring, a sealing cover, a connecting seat and the sealing ring.

Description

Super capacitor with sealing ring

Technical Field

The utility model relates to the technical field of capacitors, in particular to a super capacitor with a sealing ring.

Background

The super capacitor is a novel energy storage device and has the advantages of good high-power charge and discharge performance, high energy conversion efficiency, good temperature characteristic, long cycle service life, environmental protection and the like; therefore, the technology is widely paid attention to all countries in the world, and has good performance due to the characteristics of the battery and the traditional capacitor, so that the technology is widely applied to various industrial products with electric energy storage and high-power discharge;

the utility model of Chinese patent application No. CN202120136048.0 discloses a super capacitor, which comprises: the aluminum shell is provided with an accommodating space with an opening at the upper end, and an explosion-proof valve is arranged at the lower end of the aluminum shell; the winding core is fixedly arranged in the accommodating space of the aluminum shell; the rubber plug is fixedly arranged in the accommodating space of the aluminum shell and is positioned above the winding core, and the contact part of the side wall of the aluminum shell and the rubber plug is inwards recessed to form a beam waist groove; the glue filling layer is fixedly arranged on the outer side of the aluminum shell and covers the side wall of the aluminum shell and the upper end of the rubber plug; the positive electrode guide pin and the negative electrode guide pin sequentially penetrate through the glue filling layer and the rubber plug and are riveted in the winding core, and a plurality of through holes are formed in the parts of the positive electrode guide pin and the negative electrode guide pin, which are positioned on the rubber plug;

the above comparative document has the following problems:

(1) The sealing effect of the existing super capacitor is not guaranteed, so that electrolyte in the super capacitor is directly contacted with external air, and the electrolyte is deteriorated and salinized; the electrolyte may leak, causing unnecessary loss such as corrosion of external parts and circuit boards.

Disclosure of Invention

The present utility model is directed to a supercapacitor with a sealing ring, so as to solve the above-mentioned problems in the prior art.

The technical scheme of the utility model is as follows: the utility model provides a supercapacitor with sealing washer, includes the casing, the casing is one end and is open columnar structure, the cavity that is used for placing the group battery has been seted up to the inner chamber of casing holds the chamber, the position that holds the chamber and is adjacent open is equipped with the sealing member, the sealing member includes sealing washer, sealed lid, connecting seat and sealing ring, the sealing ring is with the inner wall fixed connection of the open department of casing, the top of sealing ring is equipped with the sealing seat, logical groove has been seted up in the middle part position of sealing seat, the sealing seat is with the relative inner wall fixedly connected with pedestal of sealing ring, the outside of pedestal encircles there is the sealing washer, one side that the pedestal was kept away from to the sealing seat is equipped with sealed lid, sealed lid and the relative inner wall fixedly connected with lid of pedestal, the external diameter size of lid and the internal diameter size looks adaptation of logical groove.

Further, the battery pack comprises a positive plate, a negative plate and a diaphragm, wherein electrolyte flows in the accommodating cavity, the diaphragm is arranged in the middle of the accommodating cavity and divides the accommodating cavity into two independent cavities, and the positive plate and the negative plate are respectively arranged in one cavity.

Further, the cross section of the sealing ring is circular, and the thickness of the sealing ring is 5mm-15mm.

Further, an external thread groove is formed in the outer side of the cover body, an internal thread groove is formed in the inner wall of the seat body, and the winding ratio of the external thread groove is consistent with that of the internal thread groove.

Further, an outer insulating layer is arranged on the outer surface of the shell, and the outer insulating layer is in an annular arrangement.

Further, an inner insulating layer is arranged on the inner surface of the shell, and the inner insulating layer is arranged in a ring shape.

Further, the membrane is an agar membrane, and the thickness of the agar membrane is 10um-50um.

Compared with the prior art, the super capacitor with the sealing ring provided by the utility model has the following improvements and advantages:

the method comprises the following steps: according to the utility model, the sealing piece is arranged at the opening of the accommodating cavity, the sealing ring is arranged on the outer side of the seat body, and when the seat body is assembled with the shell, the sealing ring is tightly abutted against the inner wall of the sealing ring, so that the inside of the shell is kept in a sealing state, external air cannot enter the inside of the shell, the purpose of isolating air and water vapor is achieved, and the conductivity of electrolyte in the shell is kept at a higher level all the time, so that the service life of the device is prolonged.

And two,: the diaphragm inside the shell is an agar film, and the agar film has small resistance and good isolation, so that the capacity and the energy density of the capacitor can be improved.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic view of the split internal structure of the present utility model;

FIG. 2 is a schematic diagram of an assembled structure of the present utility model;

FIG. 3 is a schematic perspective view of the present utility model;

fig. 4 is a schematic diagram of the front structure of the present utility model.

Reference numerals illustrate: 1. a housing; 2. a seal ring; 3. sealing cover; 4. a connecting seat; 5. a seal ring; 6. a through groove; 7. a seat body; 8. a cover body; 9. a positive plate; 10. a negative electrode sheet; 11. a diaphragm; 12. an external thread groove; 13. an internal thread groove; 14. an outer insulating layer; 15. an inner insulating layer.

Detailed Description

The following detailed description of the present utility model will provide clear and complete description of the technical solutions of the embodiments of the present utility model, with reference to fig. 1 to 4, and it is obvious that the described embodiments 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.

The utility model provides a super capacitor with a sealing ring through improvement, as shown in fig. 1-4, the super capacitor comprises a shell 1, wherein the shell 1 is of a columnar structure with one end being open, a hollow accommodating cavity for accommodating a battery pack is formed in an inner cavity of the shell 1, a sealing piece is arranged at a position adjacent to the opening of the accommodating cavity, the sealing piece comprises a sealing ring 2, a sealing cover 3, a connecting seat 4 and a sealing ring 5, the sealing ring 5 is fixedly connected with the inner wall of the opening of the shell 1, a sealing seat is arranged above the sealing ring 5, a through groove 6 is formed in the middle position of the sealing seat in a penetrating manner, a seat body 7 is fixedly connected with the inner wall of the sealing seat opposite to the sealing ring 5, a sealing ring 2 is arranged on the outer side of the sealing seat away from the seat body 7, a cover 8 is fixedly connected with the inner wall of the sealing cover 3 opposite to the seat body, the outer diameter of the cover 8 is matched with the inner diameter of the through groove 6, the sealing piece is arranged at the opening of the accommodating cavity, the sealing cover 3 is downwards connected with the inner wall of the sealing seat in a sealing groove 3 in a fixed manner, and the sealing seat is screwed down manner, so that the sealing seat is tightly contacted with the inner side of the shell 1, and the sealing seat 2 can not be tightly kept in a sealed state with the inner side of the shell 1, and the sealing seat is kept in a sealed state, and the sealing seat can not be tightly kept in a sealed state with the inner side 1, and the sealing seat is kept in a sealed state, and the sealing seat is kept in a tight state, compared with the inner side 1, and the sealing seat is kept in a sealing seat is in a sealing seat 1, and the inside, and the sealing seat is kept in a sealing case, and the inside has a high end can be kept in a high state, and the sealing state.

Specifically, the battery pack comprises a positive plate 9, a negative plate 10 and a diaphragm 11, electrolyte flows in the accommodating cavity, the diaphragm 11 is arranged in the middle of the accommodating cavity and divides the accommodating cavity into two independent cavities, the positive plate 9 and the negative plate 10 are respectively arranged in one cavity, the diaphragm 11 mainly acts to separate the cathode from the anode of the battery, the two poles are prevented from being in contact with each other to generate a short circuit, and in addition, the necessary electrolyte can be maintained during electrochemical reaction, so that an ion moving channel is formed.

Specifically, the cross section of sealing washer 2 is circular setting, the thickness of sealing washer 2 is 5mm-15mm, guarantees that the form of sealing washer 2 can with sealing ring 5 looks adaptation.

Specifically, the outside of lid 8 is equipped with external screw thread groove 12, internal screw thread groove 13 has been seted up to the inner wall of seat 7, the coiling ratio in external screw thread groove 12 is unanimous with the coiling ratio in internal screw thread groove 13, can screw in the work fast when being convenient for lid 8 and the pedestal are connected, is favorable to improving connection stability when improving assembly efficiency.

Specifically, the outer surface of the shell 1 is provided with an outer insulating layer 14, and the outer insulating layer 14 is in an annular arrangement, so that electric field can be prevented from forming electric charge to discharge with other metal parts, and the shell 1 is insulated.

Specifically, the inner surface of the shell 1 is provided with an inner insulating layer 15, and the inner insulating layer 15 is in a ring shape and forms double insulation with the outer insulating layer 14, so that the electrical insulation capability is improved.

Specifically, the diaphragm 11 is an agar film, the thickness of the agar film is 10um-50um, and the agar film has small resistance and good isolation, so that the capacitance capacity and the energy density of the supercapacitor are improved.

Working principle: this device is through setting up the sealing member in the uncovered department that holds the chamber, twist sealed lid 3 downwards and sealing seat and be connected for the upper end position of sealed lid 3 is inconsistent with the lower extreme position of sealing seat, and the outside of pedestal 7 is provided with sealing washer 2, and when pedestal 7 and casing 1 assembled, sealing washer 2 closely contradicts with the inner wall of sealing ring 5, then inside the keeping seal state of casing 1, makes outside air unable to enter into inside the casing 1, plays isolated air and the purpose of aqueous vapor, consequently is favorable to the conductivity of the electrolyte in the casing 1 to remain at higher level throughout, in order to continue the life of device.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model; various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. Super capacitor with sealing washer, its characterized in that: including casing (1), casing (1) is open columnar structure for one end, cavity that is used for placing the group battery has been seted up to the inner chamber of casing (1) holds the chamber, hold the adjacent open position in chamber and be equipped with the sealing member, the sealing member includes sealing washer (2), sealed lid (3), sealing seat (4) and sealing ring (5), sealing ring (5) and the inner wall fixed connection of casing (1) open department, the top of sealing ring (5) is equipped with sealing seat (4), logical groove (6) have been run through in the middle part position of sealing seat (4), the sealing seat (4) has sealed lid (7) with the relative inner wall fixedly connected with pedestal (7) of sealing ring (5), the outside of pedestal (7) is encircleed there is sealing washer (2), one side that sealing seat (4) is kept away from pedestal (7) is equipped with sealed lid (3), the inner wall fixedly connected with lid (8) that sealing washer (3) and pedestal are relative, the external diameter size and the inside diameter looks adaptation of logical groove (6) of lid (8).

2. The supercapacitor with a seal ring according to claim 1, wherein: the battery pack comprises a positive plate (9), a negative plate (10) and a diaphragm (11), wherein electrolyte flows in the accommodating cavity, the diaphragm (11) is arranged in the middle of the accommodating cavity and is divided into two independent cavities, and the positive plate (9) and the negative plate (10) are respectively placed in one cavity.

3. The supercapacitor with a seal ring according to claim 1, wherein: the cross section of the sealing ring (2) is in a circular shape, and the thickness of the sealing ring (2) is 5mm-15mm.

4. The supercapacitor with a seal ring according to claim 1, wherein: the outer side of the cover body (8) is provided with an external thread groove (12), the inner wall of the seat body (7) is provided with an internal thread groove (13), and the coiling ratio of the external thread groove (12) is consistent with that of the internal thread groove (13).

5. The supercapacitor with a seal ring according to claim 1, wherein: the outer surface of the shell (1) is provided with an outer insulating layer (14), and the outer insulating layer (14) is in annular arrangement.

6. The supercapacitor with a seal ring according to claim 5, wherein: the inner surface of the shell (1) is provided with an inner insulating layer (15), and the inner insulating layer (15) is in an annular arrangement.

7. The supercapacitor with a seal ring according to claim 2, wherein: the diaphragm (11) is an agar film, and the thickness of the agar film is 10um-50um.