CN213072422U

CN213072422U - Power filter capable of effectively preventing water

Info

Publication number: CN213072422U
Application number: CN202021629766.3U
Authority: CN
Inventors: 罗筱
Original assignee: Shenzhen Shengyuanda Technology Co ltd
Current assignee: Shenzhen Shengyuanda Technology Co ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-04-27
Anticipated expiration: 2030-08-07

Abstract

The utility model discloses a can effective waterproof power filter, including the filter housing, the filter housing comprises inner shell and shell, be provided with the insulating layer between inner shell and the shell, the insulating layer comprises EP rubbers layer and natural rubber layer, the surface of shell is provided with the waterproof layer, the waterproof layer comprises SBS waterproof coating and epoxy waterproof coating, the positive bottom of filter housing and the equal fixedly connected with fixed plate in bottom at the back. The utility model discloses a set up the EP rubbers layer, have excellent electric insulation performance and corona resistance, through setting up the natural rubber layer, further improved power filter's insulating properties, through waterproof layer, SBS waterproof coating and epoxy waterproof coating's cooperation for power filter has possessed excellent waterproof performance, and through setting up the wearing layer, has good alkali resistance, wearability, oil resistance, corrosion resistance, heat resistance, water proofness and insulating nature.

Description

Power filter capable of effectively preventing water

Technical Field

The utility model relates to a power filter technical field specifically is a can effective waterproof power filter.

Background

The power filter is a filter circuit consisting of a capacitor, an inductor and a resistor, and is a passive bidirectional network, one end of the passive bidirectional network is a power supply, the other end of the passive bidirectional network is a load, and the principle of the power filter is an impedance adaptation network: the larger the impedance adaptation of the input side and the output side of the power filter with the power supply and the load side is, the more effective the attenuation of electromagnetic interference is, the defect that the existing power filter has poor waterproof effect when in use, not only is the power filter easily damaged, but also the danger coefficient is improved, and therefore the power filter capable of effectively preventing water is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a can effective waterproof power filter to solve the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can effective waterproof power filter, includes the filter casing, the filter casing comprises inner shell and shell, be provided with the insulating layer between inner shell and the shell, the insulating layer comprises EPT rubber layer and natural rubber layer, the surface of shell is provided with the waterproof layer, the waterproof layer comprises SBS waterproof coating and epoxy waterproof coating.

Preferably, the bottom of the front surface and the bottom of the back surface of the filter shell are fixedly connected with fixing plates, and mounting holes are formed in the inner cavity of each fixing plate.

Preferably, the top of the ethylene-propylene rubber layer is connected with the natural rubber layer through cold vulcanization glue, the bottom of the ethylene-propylene rubber layer is connected with the inner shell through butadiene rubber adhesive, and the top of the natural rubber layer is connected with the outer shell through butadiene rubber adhesive.

Preferably, the SBS waterproof coating is coated on the outer surface of the shell, and the epoxy resin waterproof coating is coated on the outer surface of the SBS waterproof coating.

Preferably, the outer surface of the waterproof layer is coated with a wear-resistant layer, and the wear-resistant layer is made of phenolic resin.

(III) advantageous effects

Compared with the prior art, the utility model provides a can effective waterproof power filter possesses following beneficial effect:

the utility model discloses a set up the EP rubbers layer, excellent electric insulation performance and corona resistance have, through setting up the natural rubber layer, power filter's insulating properties has further been improved, through the waterproof layer, SBS waterproof coating and epoxy waterproof coating's cooperation, make power filter possess excellent waterproof performance, through setting up the wearing layer, good alkali resistance has, wear resistance, oil resistance, corrosion resistance, heat resistance, fire resistance, water proofness and insulating nature, current power filter has the poor shortcoming of water-proof effects when using, not only cause power filter to damage easily, and the problem of danger coefficient has been improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic diagram of the waterproof layer structure of the present invention;

FIG. 3 is a schematic cross-sectional view of the insulating layer of the present invention;

fig. 4 is a schematic view of the sectional structure of the waterproof layer of the present invention.

In the figure: 1. a filter housing; 11. a housing; 12. an inner shell; 2. a fixing plate; 3. mounting holes; 4. an insulating layer; 41. an ethylene propylene rubber layer; 42. a natural rubber layer; 5. a waterproof layer; 51. SBS waterproof coat; 52. an epoxy waterproof coating; 6. and a wear-resistant layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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 be referred 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", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, 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.

The utility model discloses a filter housing 1, shell 11, inner shell 12, fixed plate 2, mounting hole 3, insulating layer 4, EP rubbers layer 41, natural rubber layer 42, waterproof layer 5, SBS waterproof coating 51, epoxy waterproof coating 52 and wearing layer 6 part are the parts that general standard spare or technical personnel in the field know, and its structure and principle all are this technical personnel all can learn through the technical manual or learn through conventional experimental method.

Referring to fig. 1-4, a power filter capable of effectively preventing water includes a filter housing 1, a fixing plate 2 is fixedly connected to the bottom of the front surface and the bottom of the back surface of the filter housing 1, an inner cavity of the fixing plate 2 is provided with a mounting hole 3, the filter housing 1 is composed of an inner shell 12 and an outer shell 11, an insulating layer 4 is disposed between the inner shell 12 and the outer shell 11, the insulating layer 4 is composed of an ethylene-propylene rubber layer 41 and a natural rubber layer 42, the top of the ethylene-propylene rubber layer 41 is connected with the natural rubber layer 42 through cold vulcanization glue, the bottom of the ethylene-propylene rubber layer 41 is connected with the inner shell 12 through butadiene rubber adhesive, the top of the natural rubber layer 42 is connected with the outer shell 11 through butadiene rubber adhesive, the ethylene-propylene rubber layer 41 is disposed to have excellent electrical insulation performance and corona resistance, the natural rubber layer 42 is disposed to further, the surface of shell 11 is provided with waterproof layer 5, the surface of waterproof layer 5 is scribbled and is equipped with wearing layer 6, wearing layer 6 is phenolic resin, through setting up wearing layer 6, good alkali resistance has, the wearability, the oil resistance, corrosion resistance, heat resistance, fire resistance, water proofness and insulating nature, waterproof layer 5 comprises SBS waterproof coating 51 and epoxy waterproof coating 52, SBS waterproof coating 51 is scribbled and is located the surface of shell 11, epoxy waterproof coating 52 is scribbled and is located SBS waterproof coating 51's surface, through waterproof layer 5, SBS waterproof coating 51 and epoxy waterproof coating 52's cooperation, make power filter possess excellent waterproof performance.

When the power filter is used, the ethylene propylene rubber layer 41 is arranged, the power filter has excellent electric insulation performance and corona resistance, the natural rubber layer 42 is arranged, the insulation performance of the power filter is further improved, the waterproof layer 5, the SBS waterproof coating 51 and the epoxy resin waterproof coating 52 are matched, the power filter has excellent waterproof performance, the wear-resistant layer 6 is arranged, the power filter has good alkali resistance, wear resistance, oil resistance, corrosion resistance, heat resistance, flame resistance, water resistance and insulativity, the defect that the existing power filter is poor in waterproof effect when in use is overcome, the power filter is easy to damage, and the danger coefficient is improved.

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 power filter that can effectively be waterproof, includes filter casing (1), its characterized in that: the filter shell (1) is composed of an inner shell (12) and an outer shell (11), an insulating layer (4) is arranged between the inner shell (12) and the outer shell (11), the insulating layer (4) is composed of an ethylene propylene rubber layer (41) and a natural rubber layer (42), a waterproof layer (5) is arranged on the outer surface of the outer shell (11), and the waterproof layer (5) is composed of an SBS waterproof coating (51) and an epoxy resin waterproof coating (52).

2. A power filter that is effectively water-proof as claimed in claim 1, wherein: the filter shell is characterized in that a fixed plate (2) is fixedly connected to the bottom of the front face and the bottom of the back face of the filter shell (1), and a mounting hole (3) is formed in the inner cavity of the fixed plate (2).

3. A power filter that is effectively water-proof as claimed in claim 1, wherein: the top of the ethylene-propylene rubber layer (41) is connected with the natural rubber layer (42) through cold vulcanization glue, the bottom of the ethylene-propylene rubber layer (41) is connected with the inner shell (12) through butadiene rubber adhesive, and the top of the natural rubber layer (42) is connected with the outer shell (11) through butadiene rubber adhesive.

4. A power filter that is effectively water-proof as claimed in claim 1, wherein: the SBS waterproof coating (51) is coated on the outer surface of the shell (11), and the epoxy resin waterproof coating (52) is coated on the outer surface of the SBS waterproof coating (51).

5. A power filter that is effectively water-proof as claimed in claim 1, wherein: the outer surface of the waterproof layer (5) is coated with a wear-resistant layer (6), and the wear-resistant layer (6) is made of phenolic resin.