CN212342476U

CN212342476U - High-temperature and high-humidity resistant dry capacitor

Info

Publication number: CN212342476U
Application number: CN202021422219.8U
Authority: CN
Inventors: 张建煌; 陈家才
Original assignee: Guangdong Rong Bang Electric Co ltd
Current assignee: Guangdong Rong Bang Electric Co ltd
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-01-12
Anticipated expiration: 2030-07-20

Abstract

The utility model discloses a high temperature and high humidity resistant dry capacitor, which comprises a shell, wherein the upper end surface of the shell is provided with a limiting groove, the inner wall of the limiting groove is fixedly connected with a sealing gasket, the upper end of the shell is detachably connected with a top cover, the lower end surface of the top cover is fixedly connected with a limiting plate, the limiting plate is inserted in the limiting groove, the shell is internally provided with a capacitance core, the outer side of the capacitance core is provided with a high temperature resistant layer, the outer side of the high temperature resistant layer is provided with a buffer layer, the utility model is mutually matched for use by being provided with the limiting plate, the limiting plate of the lower end surface of the top cover is inserted into the limiting groove of the upper end surface of the shell when the top cover is connected with the shell, so that the limiting plate is tightly inserted in the limiting groove, thereby the dry, the service life of the device is prolonged.

Description

High-temperature and high-humidity resistant dry capacitor

Technical Field

The utility model relates to a condenser technical field specifically is a high temperature and high humidity resistant dry-type capacitor.

Background

A capacitor is generally referred to as a capacitor in short for its ability to hold a charge, and a capacitor is a device that holds a charge. The capacitor is one of electronic components widely used in electronic devices, and is widely applied to the aspects of DC blocking, AC coupling, bypass, filtering, tuning loop, energy conversion, control and the like in a circuit, and any two conductors which are insulated from each other and closely spaced form a capacitor.

However, the dry capacitor in the prior art cannot well prevent the inside of the capacitor from being affected by the overhigh external temperature, and cannot well prevent the inside of the capacitor from being affected by moisture, so that the service life of the capacitor is relatively short. Therefore, we propose a dry capacitor resistant to high temperature and high humidity.

Disclosure of Invention

An object of the utility model is to provide a high temperature and high humidity resistant dry capacitor to provide the dry capacitor among the prior art in solving above-mentioned background art, the inside of condenser is influenced to the high outside temperature that prevents that can not be fine, can not be better moreover prevent that the condenser is inside to wet, the relatively short problem of life of condenser.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high temperature and high humidity resistant dry-type capacitor, includes the casing, the spacing groove has been seted up to the casing up end, the sealed pad of spacing inslot wall fixedly connected with, the casing upper end can be dismantled and be connected with the top cap, terminal surface fixedly connected with limiting plate under the top cap, the limiting plate is pegged graft at the spacing inslot portion, casing internally mounted has the electric capacity core, the electric capacity core outside is provided with high temperature resistant layer, high temperature resistant layer outside is provided with the buffer layer, the buffer layer outside is provided with explosion-proof layer, the welding of top cap upper end has the fin, the fin inboard is provided with anodal pin and negative pole pin, the negative pole pin is located anodal pin one side, anodal pin and negative pole pin lower extreme all run through.

Preferably, four groups of locking bolts are arranged on the outer side surface of the top cover, and one ends of the four groups of locking bolts are in threaded connection with the shell.

Preferably, the explosion-proof layer is a net-shaped explosion-proof layer made of aluminum alloy foil.

Preferably, the buffer layer is made of rubber pads.

Preferably, the high temperature resistant layer is made of glass fiber.

Preferably, the specific number of the radiating fins is provided with a plurality of groups of radiating fins which are in a circle structure.

Compared with the prior art, the beneficial effects of the utility model are that: 1. the utility model discloses a be provided with limiting plate, spacing groove and sealed the pad, make it use of mutually supporting, when being connected top cap and casing, insert the limiting plate of terminal surface under the top cap in the spacing groove of casing up end for the inseparable grafting of limiting plate is in the spacing groove, thereby makes dry-type capacitor play fine sealed effect, avoids inside steam gets into dry-type capacitor, has improved its life.

2. The utility model discloses a be provided with the high temperature resistant layer that glass fiber made and be provided with the fin on the top cap up end, the high temperature resistant layer makes dry capacitor possess fine high temperature resistant effect, and the fin can give off the heat that produces in the dry capacitor, has improved dry capacitor's radiating effect.

3. The utility model discloses a be provided with netted explosion-proof layer that aluminium alloy foil made to make dry-type capacitor possess fine explosion-proof effect.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the top cover bottom overlooking structure of the present invention.

Fig. 3 is a schematic view of the top view structure of the housing of the present invention.

Fig. 4 is a schematic top view of the top cover of the present invention.

In the figure: 1. a housing; 2. a buffer layer; 3. a high temperature resistant layer; 4. locking the bolt; 5. a positive electrode pin; 6. a heat sink; 7. a top cover; 8. an explosion-proof layer; 9. a capacitor core; 10. a limiting plate; 11. a gasket; 12. a limiting groove; 13. and a negative electrode pin.

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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: a high temperature and high humidity resistant dry capacitor comprises a shell 1, a limit groove 12 is arranged on the upper end surface of the shell 1, the inner wall of the limit groove 12 is fixedly connected with a sealing gasket 11, the upper end of the shell 1 is detachably connected with a top cover 7, the lower end surface of the top cover 7 is fixedly connected with a limit plate 10, the limit plate 10 is inserted in a limit groove 12, a capacitor core 9 is arranged in the shell 1, a high temperature resistant layer 3 is arranged outside the capacitor core 9, the outer side of the high temperature resistant layer 3 is provided with a buffer layer 2, the outer side of the buffer layer 2 is provided with an explosion-proof layer 8, the upper end of the top cover 7 is welded with a heat radiating fin 6, the inner side of the heat radiating fin 6 is provided with a positive electrode pin 5 and a negative electrode pin 13, the negative pole pin 13 is positioned on one side of the positive pole pin 5, and the lower ends of the positive pole pin 5 and the negative pole pin 13 penetrate through the inside of the shell 1 and are fixedly connected with the capacitor core 9.

The top cap 7 outside surface is provided with four groups of locking bolt 4, four groups of 4 one ends of bolt all with 1 threaded connection of casing, four groups of locking bolt 4 can be fixed with top cap 7 and casing 1, explosion-proof layer 8 is the netted explosion-proof layer that aluminium alloy foil made, has improved dry capacitor's explosion-proof effect, buffer layer 2 is the buffer layer that the rubber pad was made, and buffer layer 2 plays certain buffering cushioning effect to dry capacitor, high temperature resistant layer 3 is the high temperature resistant layer that glass fiber made for dry capacitor possesses fine high temperature resistant effect, 6 specific quantity of fin are provided with multiunit and 6 equipartition circle structures of multiunit fin, and multiunit fin 6 can absorb the heat of 1 inside production of casing.

Specifically, the limiting plate 10, the limiting groove 12 and the sealing gasket 11 are arranged to be matched with each other, when the top cover 7 is connected with the shell 1, the limit plate 10 on the lower end face of the top cover 7 is inserted into the limit groove 12 on the upper end face of the shell 7, so that the limit plate 10 is tightly inserted into the limit groove 12, thereby leading the dry capacitor to have good sealing effect, preventing water vapor from entering the interior of the dry capacitor, prolonging the service life of the dry capacitor, the dry type capacitor has good high temperature resistant effect due to the high temperature resistant layer 3 made of glass fiber and the plurality of groups of radiating fins 6 arranged on the upper end surface of the top cover 7, the heat sink 6 can dissipate the heat generated in the dry capacitor, thereby improving the heat dissipation effect of the dry capacitor, the dry type capacitor has good explosion-proof effect by arranging the reticular explosion-proof layer 8 made of the aluminum alloy foil.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high temperature and high humidity resistant dry capacitor comprising a housing (1), characterized in that: the capacitor is characterized in that a limiting groove (12) is formed in the upper end face of the shell (1), a sealing gasket (11) is fixedly connected to the inner wall of the limiting groove (12), a top cover (7) is detachably connected to the upper end of the shell (1), a limiting plate (10) is fixedly connected to the lower end face of the top cover (7), the limiting plate (10) is inserted into the limiting groove (12), a capacitor core (9) is installed inside the shell (1), a high-temperature-resistant layer (3) is arranged on the outer side of the capacitor core (9), a buffer layer (2) is arranged on the outer side of the high-temperature-resistant layer (3), an explosion-proof layer (8) is arranged on the outer side of the buffer layer (2), a radiating fin (6) is welded at the upper end of the top cover (7), an anode pin (5) and a cathode pin (13) are arranged, the lower ends of the anode pin (5) and the cathode pin (13) penetrate through the inside of the shell (1) and are fixedly connected with the capacitor core (9).

2. A dry capacitor of high temperature and high humidity resistance as claimed in claim 1, wherein: four groups of locking bolts (4) are arranged on the outer side surface of the top cover (7), and one ends of the four groups of locking bolts (4) are in threaded connection with the shell (1).

3. A dry capacitor of high temperature and high humidity resistance as claimed in claim 1, wherein: the explosion-proof layer (8) is a net-shaped explosion-proof layer made of aluminum alloy foil.

4. A dry capacitor of high temperature and high humidity resistance as claimed in claim 1, wherein: the buffer layer (2) is made of rubber pads.

5. A dry capacitor of high temperature and high humidity resistance as claimed in claim 1, wherein: the high-temperature resistant layer (3) is made of glass fiber.

6. A dry capacitor of high temperature and high humidity resistance as claimed in claim 1, wherein: the radiating fins (6) are provided with multiple groups of radiating fins (6) in a uniform circular structure.