CN212461413U

CN212461413U - Prevent condenser of electrolyte seepage

Info

Publication number: CN212461413U
Application number: CN202021482037.XU
Authority: CN
Inventors: 易翀; 张运泽
Original assignee: Fu Qing Electronics Shenzhen Co ltd
Current assignee: Fu Qing Electronics Shenzhen Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-02-02
Anticipated expiration: 2030-07-23

Abstract

The application relates to the technical field of capacitors, especially, relate to a prevent condenser of electrolyte seepage, which comprises a housin, the casing includes shell and the inner shell that is used for installing the core, the shell cladding is in on the inner shell, be provided with seal structure in the shell. The present application has the following effects: the possibility of electrolyte leakage is reduced by the matching of the shell and the sealing structure; thereby reducing the likelihood of irreversible damage to the circuit due to electrolyte leakage.

Description

Prevent condenser of electrolyte seepage

Technical Field

The application relates to the technical field of capacitors, in particular to a capacitor capable of preventing electrolyte leakage.

Background

Capacitors play an important role in circuits such as tuning, bypassing, coupling, filtering, etc. Two conductors close to each other are sandwiched with a layer of non-conductive insulating medium, so that a capacitor is formed.

Currently, most capacitors are formed by inserting a layer of electrolytic paper between two layers of anode foils, winding the electrolytic paper into a cylindrical core, impregnating the core with an electrolyte, and then loading the core into a case.

The inventors of the above-mentioned related art consider that the following drawbacks exist: in the repeated use process of condenser, the work of condenser can produce a large amount of heats to lead to the casing to experience expend with heat and contract with cold the process many times, and then make the casing appear the fracture easily and lead to the seepage of electrolyte, and electrolyte generally has corrosivity, can cause irreversible damage to the circuit after the seepage.

SUMMERY OF THE UTILITY MODEL

In order to reduce the possibility of electrolyte leakage, the present application provides a capacitor that is resistant to electrolyte leakage.

The capacitor capable of preventing electrolyte leakage adopts the following technical scheme:

the utility model provides a prevent condenser of electrolyte seepage, includes the casing, the casing includes shell and the inner shell that is used for installing the core, the shell cladding is in on the inner shell, be provided with seal structure in the shell.

Through adopting above-mentioned technical scheme, the core will be installed in the inner shell, and the cooperation of shell and seal structure will make the inner shell after taking place to break, and electrolyte will be difficult for the seepage and flow to the circuit on to the electrolyte seepage that has reduced the circuit because of the condenser and impaired possibility.

Preferably, one side of the shell is provided with an opening, and the shell is further provided with a sealing cover for sealing the opening.

Through adopting above-mentioned technical scheme, sealed lid will make the inner shell of installing the core be in the gasket to when the electrolyte seepage, the cooperation of shell and sealed lid can be sealed electrolyte in the shell, and then reduced the electrolyte seepage to the circuit on or the possibility of transpiration, and when the condenser breaks down, can open sealed lid and overhaul the condenser, improved the convenience of overhauing the operation when reducing the possibility of electrolyte seepage.

Preferably, seal structure includes two gasket, two the gasket sets up respectively in the shell and on the sealed one side that is close to the shell of lid, and two the gasket is inconsistent with the relative both sides wall of inner shell respectively.

Through adopting above-mentioned technical scheme, the gasket will be fixed on the shell at sealed lid when inconsistent with the inner shell to when the relative both sides of inner shell break, the gasket will provide sealed effect for the inner shell, make the difficult seepage of electrolyte in the inner shell to the shell in, and then electrolyte will be difficult for the seepage to go out the shell, further reduced the possibility of electrolyte seepage.

Preferably, a plurality of radiating rings are arranged in the outer shell, and the inner walls of the radiating rings are in contact with the inner shell.

Through adopting above-mentioned technical scheme, the heat dissipation ring will provide the heat dissipation for the inner shell for the heat will more easily through the shell and distribute to the external environment in, thereby reduced the inner shell because of the operating temperature too high causes the tired possibility of material, further reduced the inner shell and broken and the possibility of electrolyte seepage.

Preferably, a plurality of heat dissipation protrusions are arranged on two opposite sides of the heat dissipation ring.

Through adopting above-mentioned technical scheme, the raised area of contact that sets up of heat dissipation can increase radiating ring and inner shell and shell to improve the heat transfer speed of condenser during operation, makeed the heat that the condenser work produced will transmit to the external world more fast, further reduced the inner shell and broken and the possibility of electrolyte seepage.

Preferably, the sealing cover is provided with a buckling piece for fixing the sealing cover on the shell, and the outer circumferential side wall of the shell is provided with a clamping ring matched with the buckling piece.

Through adopting above-mentioned technical scheme, when needs will seal the lid and fix on the shell, buckle spare will with the snap ring joint to the cooperation of buckle spare and snap ring will provide fixed effect for sealed lid, and the joint installation of buckle spare and snap ring is comparatively simple and convenient, also convenient dismantlement, and then has made things convenient for the staff to overhaul and change the condenser in the shell.

Preferably, the buckle spare includes fixed part, connecting portion and joint portion, the fixed part sets up on the outer circumference lateral wall of sealed lid, the one end setting of connecting portion is on one side that the fixed part is close to the shell, joint portion set up on the other end of connecting portion and with the snap ring joint.

Through adopting above-mentioned technical scheme, the fixed part will be for the whole fixed effect that provides of buckle spare, and the connecting portion will be for providing between joint portion and the fixed part and be connected, and joint portion then can cooperate with the snap ring to make sealed lid fix on the shell, and then ensured the stability between sealed lid and the shell.

Preferably, a clamping protrusion is arranged on one side, close to the clamping ring, of the clamping portion, and a clamping groove for the clamping protrusion to be embedded into is formed in the clamping ring.

Through adopting above-mentioned technical scheme, when joint portion and snap ring joint, the joint is protruding to be embedded into the joint groove to the protruding cooperation in joint groove and joint groove will make buckle spare difficult from the snap ring drop under the unmanned effect, has further improved the stability of closing plate when fixing on the shell.

In summary, according to the present application, at least one of the following beneficial technical effects can be obtained:

1. the possibility of electrolyte leakage is reduced by the matching of the shell and the sealing structure; thereby reducing the possibility of irreversible damage to the circuit due to electrolyte leakage;

2. through buckle spare and snap ring, made things convenient for the staff to overhaul and change the condenser in the shell.

Drawings

FIG. 1 is a schematic overall structure of the present application;

FIG. 2 is a schematic structural view of the present application with the housing hidden;

fig. 3 is an exploded view of the present application.

Reference numerals: 100. a housing; 200. a housing; 210. a sealing cover; 220. a fastener; 230. a snap ring; 240. a fixed part; 250. a connecting portion; 260. a clamping part; 270. clamping the bulges; 280. a clamping groove; 300. an inner shell; 310. a heat dissipation ring; 320. a heat dissipation protrusion; 400. a sealing structure; 410. and (7) sealing the sheet.

Detailed Description

The present application is described in further detail below with reference to the attached drawings.

Referring to fig. 1 and 2, the present application discloses an electrolyte leakage preventing capacitor, which can effectively prevent the possibility of electrolyte leakage onto a circuit board or direct exposure to air, thereby reducing the possibility of irreversible damage to the circuit board due to corrosion of the electrolyte. It includes casing 100, and casing 100 includes outer shell 200 and supplies the embedded inner shell 300 of core, and the sealed installation of core is in order to form the condenser in inner shell 300, and outer shell 200 will be on inner shell 300 in order to reduce inner shell 300 because of the long-time use because of the possibility of the electrolyte seepage after the material fatigue damage, correspondingly, still be provided with seal structure 400 in the outer shell 200 to further reduce the possibility of electrolyte seepage, make electrolyte difficult and external environment take place the contact, and then reduced the circuit board receive the possibility of corruption and the electrolyte volatilizees and the possibility of polluted environment.

Referring to fig. 1 and 2, in the present embodiment, an opening is formed at one side of the outer case 200 to facilitate installation of the inner case 300 into the outer case 200, and a sealing cover 210 for sealing the opening is further provided on the outer case 200, and the sealing cover 210 seals the outer case 200 after the inner case 300 is installed into the outer case 200, so that the electrolyte cannot be directly contacted and exchanged with the external environment even after the electrolyte leaks out of the inner case 300 due to rupture of the inner case 300. Correspondingly, the sealing structure 400 includes two sealing sheets 410, the two sealing sheets 410 are respectively bonded on the inner wall of the housing 200 far away from the opening and one side of the sealing cover 210 close to the housing 200, and the sealing sheets 410 in the embodiment adopt silica gel, so that the sealing ring has stronger insulating property, corrosion resistance and thermal stability while having better sealing effect. After installing inner shell 300, sealed lid 210 can with outer shell 200 joint to the gasket 410 can take place deformation under the cooperation of outer shell 200 with sealed lid 210, and two gaskets 410 then can be inconsistent with the relative both sides wall of inner shell 300 respectively, thereby provide sealed between inner shell 300 and the outer shell 200, make electrolyte be difficult for oozing outer shell 200.

In order to refer to fig. 2, in this embodiment, a plurality of heat dissipation rings 310 are further disposed in the outer casing 200, the heat dissipation rings 310 are disposed along the height direction of the outer casing 200, and when the inner casing 300 is installed in the outer casing 200, the inner walls of the heat dissipation rings 310 contact the outer wall of the inner casing 300, so that when the capacitor operates, the heat dissipation rings 310 improve the heat transfer efficiency between the inner casing 300 and the outer casing 200, so that heat is more easily dissipated to the external environment, thereby reducing the possibility of deformation and fracture of the inner casing 300 due to heating, and further reducing the possibility of leakage of the electrolyte. Correspondingly, in order to further improve the heat transfer effect of the heat dissipation ring 310, a plurality of heat dissipation protrusions 320 are integrally formed on two opposite sides of the heat dissipation ring 310, and the heat dissipation protrusions 320 are disposed such that the two opposite sides of the heat dissipation ring 310 are wavy. Thereby increasing a contact area between the heat dissipation ring 310 and the inner and

outer cases

300 and 200 and thus improving a heat transfer effect of the heat dissipation ring 310.

Referring to fig. 3, in the present embodiment, a locking member 220 for fixing the sealing cover 210 to the housing 200 is integrally formed on the sealing cover 210, and a snap ring 230 for cooperating with the locking member 220 is integrally formed on an outer circumferential side wall of the housing 200. The fastening member 220 includes a fixing portion 240, a connecting portion 250 and a fastening portion 260, the fixing portion 240 is integrally formed on an outer circumferential sidewall of the sealing cover 210, one end of the connecting portion 250 is integrally connected to one side of the fixing portion 240 close to the housing 200, the connecting portion 250 is perpendicular to a plane of the sealing cover 210, and the fastening portion 260 is integrally formed on the other end of the connecting portion 250 and fastened to the snap ring 230. Also in this embodiment. Integrated into one piece has the joint protruding 270 on the one side that joint portion 260 is close to snap ring 230, offers the joint groove 280 that supplies the protruding 270 embedding of joint on the snap ring 230 to when joint portion 260 and snap ring 230 joint, sealed lid 210 will be difficult for droing from shell 200 under the influence of non-human factor, thereby guaranteed the structural stability between sealed lid 210 and the shell 200.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A capacitor against electrolyte leakage, comprising a case (100), characterized in that: the shell (100) comprises an outer shell (200) and an inner shell (300) used for installing the core, the outer shell (200) is coated on the inner shell (300), and a sealing structure (400) is arranged in the outer shell (200).

2. The electrolyte leakage preventing capacitor as set forth in claim 1, wherein: one side of the shell (200) is provided with an opening, and the shell (200) is also provided with a sealing cover (210) for sealing the opening.

3. The electrolyte leakage preventing capacitor as set forth in claim 2, wherein: the sealing structure (400) comprises two sealing pieces (410), the two sealing pieces (410) are respectively arranged in the outer shell (200) and on one side, close to the outer shell (200), of the sealing cover (210), and the two sealing pieces (410) are respectively inconsistent with two opposite side walls of the inner shell (300).

4. The electrolyte leakage preventing capacitor as set forth in claim 3, wherein: a plurality of heat dissipation rings (310) are arranged in the outer shell (200), and the inner walls of the heat dissipation rings (310) are in contact with the inner shell (300).

5. The electrolyte leakage preventing capacitor as set forth in claim 4, wherein: a plurality of heat dissipation protrusions (320) are arranged on two opposite sides of the heat dissipation ring (310).

6. The electrolyte leakage preventing capacitor as set forth in claim 2, wherein: the sealing cover (210) is provided with a buckling piece (220) used for fixing the sealing cover on the shell (200), and the outer circumferential side wall of the shell (200) is provided with a clamping ring (230) used for being matched with the buckling piece (220).

7. The electrolyte leakage preventing capacitor as set forth in claim 6, wherein: buckle spare (220) include fixed part (240), connecting portion (250) and joint portion (260), fixed part (240) set up on the outer circumference lateral wall of sealed lid (210), the one end setting of connecting portion (250) is on fixed part (240) one side of being close to shell (200), joint portion (260) set up on the other end of connecting portion (250) and with snap ring (230) joint.

8. The electrolyte leakage preventing capacitor as recited in claim 7, wherein: joint portion (260) are provided with joint arch (270) on being close to one side of snap ring (230), offer the confession on snap ring (230) joint groove (280) of joint arch (270) embedding.