CN211742942U

CN211742942U - Fireproof power capacitor

Info

Publication number: CN211742942U
Application number: CN202020756811.5U
Authority: CN
Inventors: 姚筱清
Original assignee: Foshan Xun Jing Electrical Co ltd
Current assignee: Foshan Xun Jing Electrical Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2020-10-23
Anticipated expiration: 2030-05-09

Abstract

The utility model discloses a fire prevention type power capacitor, including capacitor body, capacitor body's surperficial cladding has the shell, the top joint of shell has the visor, shell and visor all include stainless steel substrate, adhesive bonding has the insulating layer at stainless steel substrate's top, adhesive bonding has the flame retardant coating on the surface of insulating layer, heat dissipation silicone grease has been paintd on the surface of flame retardant coating, the surface subsides of heat dissipation silicone grease have the graphite alkene heat dissipation layer. The utility model discloses a cooperation of shell, visor, stainless steel substrate, insulating layer, flame retardant coating, heat dissipation silicone grease, graphite alkene heat dissipation layer, through-hole and sealing rubber circle is used, can carry out good fire protection to the capacitor body, can not light by naked light also can not be because of receiving high temperature explosion, very big assurance consumer normal operating and people's safety, the use of giving the user has brought very big facility.

Description

Fireproof power capacitor

Technical Field

The utility model relates to a condenser technical field specifically is fire prevention type power capacitor.

Background

The capacitor, generally referred to as capacitor for short, is one of the electronic components used in a large number of electronic devices, and is widely applied to the aspects of isolating direct current, coupling, bypass, filtering, tuning loop, energy conversion, control and the like in the circuit, but the existing capacitor has poor fire resistance, and can cause explosion when exposed to fire to endanger the safety of the electric devices and human bodies, thereby bringing great inconvenience to users.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fire prevention type power capacitor possesses the advantage of fire prevention, and it is poor to have solved its fire behavior of current condenser, can explode when meetting open fire and endanger consumer and personal safety to user's use has brought very big inconvenient problem.

In order to achieve the above object, the utility model provides a following technical scheme: fire prevention type power capacitor, including the capacitor body, the surface cladding of capacitor body has the shell, the top joint of shell has the visor, shell and visor all include stainless steel substrate, the top of stainless steel substrate bonds through the adhesive has the insulating layer, the surface of insulating layer bonds through the adhesive has the flame retardant coating, the surface of flame retardant coating has been paintd the heat dissipation silicone grease, the surface subsides of heat dissipation silicone grease have the graphite alkene heat dissipation layer, the surface and the capacitor body contact on graphite alkene heat dissipation layer.

Preferably, the top of the protective cover is provided with a through hole for passing through a wire, and an insulating rubber ring is adhered to the inner cavity of the through hole through an adhesive.

Preferably, the heat insulation layer is made of an aluminum silicate fiber felt, and the surface of the heat insulation layer is sprayed with the composite silicate heat insulation paint.

Preferably, the fireproof layer is made of mica paper material, and glass fiber is pasted on the surface of the fireproof layer.

Preferably, the bottom of the inner cavity of the protective cover is fixedly connected with a sealing rubber ring, and the inner wall of the sealing rubber ring is in close contact with the shell.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a cooperation of shell, visor, stainless steel substrate, insulating layer, flame retardant coating, heat dissipation silicone grease, graphite alkene heat dissipation layer, through-hole and sealing rubber circle is used, can carry out good fire protection to the capacitor body, can not light by naked light also can not be because of receiving high temperature explosion, very big assurance consumer normal operating and people's safety, the use of giving the user has brought very big facility.

2. The utility model can conveniently connect the lead with the capacitor body by arranging the through hole, better ensures the convenience of connection, can seal the connection part of the lead and the through hole by arranging the insulating rubber ring, better ensures the proceeding of electrifying work, can tightly connect the protective cover with the shell by arranging the sealing rubber ring, better ensures the fireproof effect, can provide good use strength and anti-corrosion performance for the capacitor body by arranging the stainless steel base material, can have good heat insulation effect and fireproof performance by arranging the heat insulation layer made of the aluminum silicate fiber felt, better ensures the heat insulation fireproof effect, can provide the fireproof layer made of mica paper material, can have high-strength fireproof performance, can provide good heat radiation performance for the capacitor body by arranging the matching use of the heat radiation silicone grease and the graphene heat radiation layer, the radiating effect of the capacitor body is better guaranteed.

Drawings

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

FIG. 2 is a schematic top sectional view of the protective cover of the present invention;

fig. 3 is a schematic view of the internal connection structure of the protective cover of the present invention.

In the figure: 1. a capacitor body; 2. a housing; 3. a protective cover; 301. a stainless steel base material; 302. a thermal insulation layer; 303. a fire barrier layer; 304. heat dissipation silicone grease; 305. a graphene heat dissipation layer; 4. a through hole; 5. and sealing the rubber ring.

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.

The components of the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known by the technical manual or by the conventional experimental method.

Referring to fig. 1-3, a fireproof power capacitor includes a capacitor body 1, a housing 2 is coated on the surface of the capacitor body 1, a protective cover 3 is clamped on the top of the housing 2, a through hole 4 for passing a wire is formed on the top of the protective cover 3, an insulating rubber ring is adhered to the inner cavity of the through hole 4 through an adhesive, the wire can be conveniently connected with the capacitor body 1 by arranging the through hole 4, the convenience of connection is better ensured, the connection between the wire and the through hole 4 can be sealed by arranging the insulating rubber ring, the conduction work is better ensured, a sealing rubber ring 5 is fixedly connected to the bottom of the inner cavity of the protective cover 3, the inner wall of the sealing rubber ring 5 is in close contact with the housing 2, the protective cover 3 can be tightly connected with the housing 2 by arranging the sealing rubber ring 5, and the fireproof effect is better ensured, the shell 2 and the protective cover 3 both comprise a stainless steel base material 301, a heat insulation layer 302 is adhered to the top of the stainless steel base material 301 through an adhesive, the heat insulation layer 302 is made of an aluminum silicate fiber felt, a composite silicate heat insulation coating is sprayed on the surface of the heat insulation layer 302, the heat insulation layer 302 made of the aluminum silicate fiber felt has good heat insulation effect and fireproof performance, and better guarantees the heat insulation and fireproof effects, the surface of the heat insulation layer 302 is adhered with a fireproof layer 303 through the adhesive, the fireproof layer 303 is made of a mica paper material, glass fibers are pasted on the surface of the fireproof layer 303, the fireproof layer 303 is made of the mica paper material, high-strength fireproof performance can be achieved, heat dissipation silicone grease 304 is coated on the surface of the fireproof layer 303, and a graphene heat dissipation layer 305 is pasted on the surface of the heat dissipation silicone grease 304, graphene heat dissipation layer 305's surface and capacitor body 1 contact, cooperation through setting up heat dissipation silicone grease 304 and graphene heat dissipation layer 305 is used, can provide good heat dispersion for capacitor body 1, the better radiating effect who has guaranteed capacitor body 1, through shell 2, visor 3, stainless steel substrate 301, insulating layer 302, flame retardant coating 303, heat dissipation silicone grease 304, graphene heat dissipation layer 305, through-hole 4 and sealing rubber circle 5's cooperation is used, can carry out good fire protection to capacitor body 1, can not be lighted by naked light yet can not be because of receiving high temperature explosion, very big assurance consumer normal operating and people's safety, user's use has brought very big facility.

During the use, through stainless steel substrate 301, can provide good service strength and corrosion resisting property for capacitor body 1, insulating layer 302 made through the aluminium silicate fibrofelt can possess good thermal-insulated effect and fire behavior, the better thermal-insulated fire behavior of having guaranteed, make flame retardant coating 303 through mica paper material, can possess high strength's fire behavior, use through the cooperation of heat dissipation silicone grease 304 and graphite alkene heat dissipation layer 305, can provide good heat dispersion for capacitor body 1, the better radiating effect who has guaranteed capacitor body 1.

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. Fire prevention type power capacitor, including capacitor body (1), its characterized in that: the surface cladding of capacitor body (1) has shell (2), the top joint of shell (2) has visor (3), shell (2) and visor (3) all include stainless steel substrate (301), the top of stainless steel substrate (301) bonds through the adhesive has insulating layer (302), the surface of insulating layer (302) bonds through the adhesive has flame retardant coating (303), heat dissipation silicone grease (304) has been paintd on the surface of flame retardant coating (303), the surface subsides of heat dissipation silicone grease (304) have graphite alkene heat dissipation layer (305), the surface and the contact of capacitor body (1) of graphite alkene heat dissipation layer (305).

2. The fire-protected power capacitor according to claim 1, wherein: the top of the protective cover (3) is provided with a through hole (4) passing through a wire, and an insulating rubber ring is adhered to the inner cavity of the through hole (4) through an adhesive.

3. The fire-protected power capacitor according to claim 1, wherein: the heat insulation layer (302) is made of an aluminum silicate fiber felt, and the surface of the heat insulation layer (302) is sprayed with a composite silicate heat insulation coating.

4. The fire-protected power capacitor according to claim 1, wherein: the fireproof layer (303) is made of mica paper materials, and glass fibers are pasted on the surface of the fireproof layer (303).

5. The fire-protected power capacitor according to claim 1, wherein: the bottom fixedly connected with sealing rubber circle (5) of visor (3) inner chamber, the inner wall and the shell (2) in close contact with of sealing rubber circle (5).