CN219696260U

CN219696260U - Waterproof capacitor

Info

Publication number: CN219696260U
Application number: CN202321306400.6U
Authority: CN
Inventors: 邓明优; 陈小菊
Original assignee: Shenzhen Huaguan Capacitor Co ltd
Current assignee: Shenzhen Huaguan Capacitor Co ltd
Priority date: 2023-05-26
Filing date: 2023-05-26
Publication date: 2023-09-15
Anticipated expiration: 2033-05-26

Abstract

The utility model discloses a waterproof capacitor, which comprises a capacitor body, wherein a connector is integrally formed on the side wall of the capacitor body along the central symmetry, a waterproof component is arranged on the outer surface of the capacitor body, a corrosion-resistant coating is coated on the middle part of the outer surface of the waterproof component, and the waterproof component comprises a first waterproof shell, a mounting through hole and a first sealing ring. In the above-mentioned scheme, the condenser is through setting up waterproof component, when the condenser body receives the influence of liquid, the waterproof component of setting at condenser body surface can work this moment, because first waterproof shell and second waterproof shell set up respectively in the left and right sides of condenser body, and be provided with sealed pad in the junction of first waterproof shell and second waterproof shell, and sealed material of pad is the rubber component, the inner wall of sealed pad can closely laminate with first waterproof shell and second waterproof shell junction, thereby avoid liquid and the phenomenon that the condenser body contacted, reduce the loss.

Description

Waterproof capacitor

Technical Field

The utility model relates to the technical field of capacitors, in particular to a waterproof capacitor.

Background

A capacitor (capacitor) is also a main element of an electronic circuit; the capacitor is mainly used for low-voltage powerless compensation, is used in power distribution facilities such as factories and markets, plays a role in power factor correction, can also be used for three-phase filtering of inversion output, and is used in the fields of frequency converters, photovoltaics and the like.

The technical scheme key points of the capacitor disclosed by CN218769114U are as follows: comprises a dielectric body having a plurality of dielectric layers laminated therein along a first direction; the inner electrodes are arranged in the dielectric main body and are spaced by the dielectric layer, the inner electrodes comprise a first conductive sheet and a second conductive sheet, the second conductive sheet is connected to one end of the first conductive sheet along a second direction, and one end of the second conductive sheet, which is away from the first conductive sheet, is exposed through the surface of the dielectric main body; the width of the second conductive sheet is smaller than that of the first conductive sheet along the third direction; wherein the first direction, the second direction and the third direction are mutually perpendicular; the first conducting strip and the external conductor are connected by the second conducting strip with smaller width, the width of the exposed part of the internal electrode can be shortened, the frequency of layering and cracks between the dielectric main body and the internal electrode is reduced, the probability of the plating solution penetrating into the dielectric main body is reduced, the problem of reduction of the insulation resistance of the capacitor is further solved, and the reliability of high temperature resistance and humidity resistance of the capacitor is enhanced.

Above-mentioned condenser still has certain not enough: because the capacitor is arranged inside the electronic equipment, once the capacitor is influenced by liquid, the capacitor is damaged, the use of the electronic equipment is further influenced, and meanwhile, the use cost is increased, so that the waterproof capacitor is needed to be provided.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, embodiments of the present utility model provide a waterproof capacitor to solve the problems of the prior art.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a waterproof type condenser, includes the condenser body, the lateral wall of condenser body is formed with the connector along central symmetry an organic whole, the surface of condenser body is provided with waterproof subassembly, the middle part coating of waterproof subassembly surface has corrosion-resistant coating.

The waterproof assembly comprises a first waterproof shell, a mounting through hole and a first sealing ring, wherein the front surface of the first waterproof shell is provided with the mounting through hole in a penetrating mode, and the first sealing ring is adhered to the inner wall of the mounting through hole.

The inner part of the first sealing ring is attached to the outer surface of the connector, four connecting rods are welded on the side wall of the first waterproof shell in a rectangular array, and the second waterproof shell is clamped on the side wall of the first waterproof shell through the connecting rods.

The side wall of the second waterproof shell is provided with four connecting grooves in a rectangular array, the inside of each connecting groove is matched with the outer surface of the connecting rod, and the depth of each connecting groove is the same as the length of the connecting rod.

The sealing gasket is movably sleeved at the joint of the second waterproof shell and the first waterproof shell, and the sealing gasket is made of a rubber component.

The corrosion-resistant coating comprises a first epoxy resin layer and a second epoxy resin layer, wherein the second epoxy resin layer is filled in the first epoxy resin layer, and the mass of the first epoxy resin layer is the same as that of the second epoxy resin layer.

The second epoxy resin layer is internally filled with a first curing agent layer, and the first curing agent layer is internally filled with a second curing agent layer.

The technical scheme of the utility model has the following beneficial effects:

1. in the scheme, when the capacitor body is affected by liquid, the waterproof assembly arranged on the outer surface of the capacitor body works at the moment, because the first waterproof shell and the second waterproof shell are respectively arranged on the left side and the right side of the capacitor body, and the sealing gasket is arranged at the joint of the first waterproof shell and the second waterproof shell and is made of a rubber component, the inner wall of the sealing gasket is tightly attached to the joint of the first waterproof shell and the second waterproof shell, so that the phenomenon that the liquid contacts the capacitor body is avoided, and the loss is reduced;

2. in the scheme, the capacitor is provided with the corrosion-resistant coating, when the surface of the sealing gasket is influenced by acidic liquid, the corrosion-resistant coating coated on the surface of the sealing gasket can work, and then the first epoxy resin layer inside the corrosion-resistant coating can be combined with the second epoxy resin layer, the first curing agent layer and the second curing agent layer, so that the corrosion-resistant coating is formed, the sealing gasket is prevented from being influenced by the acidic liquid, and the tightness of the waterproof assembly is ensured.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of an assembly of a capacitor body and a waterproof assembly according to the present utility model;

FIG. 3 is a schematic diagram showing the resolution of the components of the corrosion-resistant coating of the present utility model.

[ reference numerals ]

1. A capacitor body; 2. a connector; 3. a waterproof assembly; 4. a corrosion-resistant coating; 31. a first waterproof case; 32. mounting through holes; 33. a first seal ring; 34. a connecting rod; 35. a second waterproof case; 36. a connection groove; 37. a second seal ring; 38. a sealing gasket; 41. a first epoxy layer; 42. a second epoxy layer; 43. a first curative layer; 44. and a second curing agent layer.

Detailed Description

In order to make the technical problems, technical solutions and advantages to be solved more apparent, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.

Example 1:

referring to fig. 1-3, a waterproof capacitor comprises a capacitor body 1, wherein a connector 2 is integrally formed on the side wall of the capacitor body 1 along central symmetry, a waterproof component 3 is arranged on the outer surface of the capacitor body 1, and a corrosion-resistant coating 4 is coated on the middle of the outer surface of the waterproof component 3;

the waterproof assembly 3 comprises a first waterproof shell 31, an installation through hole 32 and a first sealing ring 33, the front surface of the first waterproof shell 31 is penetrated and provided with the installation through hole 32, the inner wall of the installation through hole 32 is adhered with the first sealing ring 33, the inner part of the first sealing ring 33 is attached to the outer surface of the connector 2, four connecting rods 34 are welded on the side wall of the first waterproof shell 31 in a rectangular array, a second waterproof shell 35 is clamped on the side wall of the first waterproof shell 31 through the connecting rods 34, four connecting grooves 36 are formed in the side wall of the second waterproof shell 35 in a rectangular array, the inner part of the connecting grooves 36 is matched with the outer surface of the connecting rods 34, the depth of the connecting grooves 36 is identical to the length of the connecting rods 34, a second sealing ring 37 is inlaid on the front surface of the second waterproof shell 35, the cross-sectional area of the second sealing ring 37 is identical to the cross-sectional area of the first sealing ring 33, a sealing pad 38 is movably sleeved at the connecting position of the second waterproof shell 35 and the first waterproof shell 31, the sealing pad 38 is made of a rubber member, the corrosion-resistant coating 4 comprises a first epoxy layer 41 and a second epoxy layer 42, the inner part of the first epoxy layer 41 is filled with a second epoxy layer 42, the second epoxy layer 42 is filled with a second epoxy layer 43, and the second epoxy layer 43 is filled with a curing agent.

The beneficial effects are as follows: the connection rod 34 and the connection groove 36 are provided to facilitate the separation of the first waterproof case 31 from the second waterproof case 35, thereby facilitating the disassembly of the waterproof assembly 3.

The working process of the utility model is as follows:

when the capacitor body 1 is used, in order to reduce the use cost, the waterproof assembly 3 is arranged, when the capacitor body 1 is affected by liquid, the waterproof assembly 3 arranged on the outer surface of the capacitor body 1 works at this time, because the first waterproof shell 31 and the second waterproof shell 35 are respectively arranged on the left side and the right side of the capacitor body 1, the sealing gasket 38 is arranged at the joint of the first waterproof shell 31 and the second waterproof shell 35, and the sealing gasket 38 is made of a rubber member, so that the inner wall of the sealing gasket 38 is tightly attached to the joint of the first waterproof shell 31 and the second waterproof shell 35, thereby avoiding the phenomenon that liquid contacts the capacitor body 1 and reducing loss.

In the above-mentioned scheme, when the capacitor body 1 is used, in order to ensure the tightness of the waterproof assembly 3, the corrosion-resistant coating 4 is provided, when the surface of the sealing gasket 38 is affected by the acidic liquid, the corrosion-resistant coating 4 coated on the surface of the sealing gasket 38 will work, and then the first epoxy resin layer 41 inside the corrosion-resistant coating 4 will combine with the second epoxy resin layer 42, the first curing agent layer 43 and the second curing agent layer 44, so that a corrosion-resistant coating is formed, thereby avoiding the sealing gasket 38 from being affected by the acidic liquid and ensuring the tightness of the waterproof assembly 3.

The last points to be described are: first, in the description of the present utility model, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The waterproof capacitor comprises a capacitor body (1), and is characterized in that a connector (2) is integrally formed on the side wall of the capacitor body (1) along the center symmetry, a waterproof component (3) is arranged on the outer surface of the capacitor body (1), and a corrosion-resistant coating (4) is coated on the middle of the outer surface of the waterproof component (3).

2. The waterproof capacitor according to claim 1, wherein the waterproof component (3) comprises a first waterproof shell (31), a mounting through hole (32) and a first sealing ring (33), the front surface of the first waterproof shell (31) is provided with the mounting through hole (32) in a penetrating way, and the inner wall of the mounting through hole (32) is adhered with the first sealing ring (33).

3. The waterproof capacitor according to claim 2, wherein the inside of the first sealing ring (33) is attached to the outer surface of the connector (2), four connecting rods (34) are welded to the side wall of the first waterproof case (31) in a rectangular array, and the second waterproof case (35) is clamped to the side wall of the first waterproof case (31) through the connecting rods (34).

4. A waterproof capacitor according to claim 3, characterized in that the side wall of the second waterproof case (35) is provided with four connection grooves (36) in a rectangular array, the inside of the connection grooves (36) is adapted to the outer surface of the connection rod (34), and the depth of the connection grooves (36) is the same as the length of the connection rod (34).

5. A waterproof capacitor according to claim 3, wherein a second sealing ring (37) is embedded and mounted on the front surface of the second waterproof shell (35), the cross-sectional area of the second sealing ring (37) is the same as that of the first sealing ring (33), a sealing gasket (38) is movably sleeved at the joint of the second waterproof shell (35) and the first waterproof shell (31), and the sealing gasket (38) is made of a rubber member.

6. The waterproof capacitor according to claim 1, wherein the corrosion-resistant coating (4) comprises a first epoxy layer (41) and a second epoxy layer (42), the interior of the first epoxy layer (41) being filled with the second epoxy layer (42), the mass of the first epoxy layer (41) being the same as the mass of the second epoxy layer (42).

7. The waterproof capacitor according to claim 6, wherein the second epoxy resin layer (42) is internally filled with a first curing agent layer (43), and the first curing agent layer (43) is internally filled with a second curing agent layer (44).