CN210378766U

CN210378766U - Microwave oven capacitor

Info

Publication number: CN210378766U
Application number: CN201921481828.8U
Authority: CN
Inventors: 孔祥路
Original assignee: Foshan Kongxing Material Application Research Institute Co ltd
Current assignee: Foshan Kongxing Material Application Research Institute Co ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-04-21
Anticipated expiration: 2029-09-06

Abstract

The utility model relates to a microwave oven capacitor, it includes metal casing, electric capacity core and extraction electrode, and metal casing is the tube-shape, and metal casing's one end is equipped with opens wide the mouth, and metal casing's the other end seals, and the electric capacity core sets up in metal casing and with extraction electrode electric connection, outside extraction electrode stretches out metal casing, metal casing's opening is equipped with the encapsulation lid of moulding plastics, and the encapsulation lid of moulding plastics covers metal casing and extraction electrode integrated injection moulding, and the encapsulation lid of moulding plastics is including apron and electrode sleeve, and the apron covers metal casing's opening, and electrode sleeve is located the top surface of apron, and extraction electrode is located electrode sleeve. The metal shell open mouth of the microwave oven capacitor is encapsulated by the injection molding encapsulation cover, the leading-out electrode and the injection molding encapsulation cover are integrally molded to form an integration, the installation is convenient, the production efficiency is high, and the correction rate is low by mold positioning.

Description

Microwave oven capacitor

Technical Field

The utility model relates to a condenser technical field, especially a microwave oven condenser with metal casing.

Background

The existing microwave oven capacitor comprises a metal shell, a capacitor core and a lead-out electrode, wherein the metal shell is cylindrical, an open opening is formed in one end of the metal shell, the other end of the metal shell is closed, the capacitor core is arranged in the metal shell and is electrically connected with the lead-out electrode, the lead-out electrode extends out of the metal shell, the open opening of the metal shell is packaged by epoxy resin, or the open opening is packaged by combining a cover plate and the epoxy resin; an electrode sleeve (insulating part) is arranged outside the extraction electrode, the electrode sleeve belongs to an independent component, and the lower end of the extraction electrode and the inner wall of the electrode sleeve are sealed through epoxy resin. The microwave oven capacitor with the structure is complex to install and high in correction rate.

Disclosure of Invention

An object of the utility model is to provide a simple structure, reasonable, simple to operate, microwave oven condenser that the rate of correction is low after processing to overcome prior art's not enough.

The purpose of the utility model is realized like this:

the utility model provides a microwave oven capacitor, includes metal casing, electric capacity core and extraction electrode, and metal casing is the tube-shape, and metal casing's one end is equipped with opens spacious mouth, and metal casing's the other end seals, and electric capacity core sets up in metal casing and with extraction electrode electric connection, and the extraction electrode stretches out outside metal casing, its characterized in that: the opening of metal casing is equipped with the encapsulation lid of moulding plastics, and the encapsulation lid of moulding plastics and metal casing and the integrative injection moulding of extraction electrode, and the encapsulation lid of moulding plastics includes apron and electrode sleeve, and the apron covers metal casing's opening, and electrode sleeve is located the top surface of apron, and extraction electrode is located electrode sleeve.

The purpose of the utility model can also adopt the following technical measures to solve:

as a more specific scheme, the periphery of the cover plate of the injection molding encapsulation cover is also provided with an insulating flange, and the insulating flange covers the top surface and the periphery of the opening of the metal shell. Through setting up insulating turn-ups, can increase the creepage distance between electrode and the shell.

As a further scheme, the inner wall of the metal shell is also provided with an insulating film, so that the inner wall of the metal shell forms an insulating layer.

As a further scheme, an outward flanging is arranged at the opening of the metal shell. If the inner wall of the metal shell is not provided with the insulating film, the insulating flanging of the injection molding packaging cover can be wrapped outside the outer flanging, so that the injection molding packaging cover can be buckled with the outer flanging; if the metal casing inner wall is equipped with the insulating film, the opening outwards is equipped with the flanging, can increase creepage distance, and the encapsulation lid of moulding plastics can not have insulating flanging.

The top surface of the cover plate of the injection molding packaging cover is provided with a concave surface corresponding to the periphery of the electrode sleeve so as to further increase the creepage distance.

One or two electrode sleeves are arranged, 1-4 extraction electrodes are arranged in each electrode sleeve, and the extraction electrodes in each electrode sleeve are mutually conducted.

The utility model has the advantages as follows:

(1) the open opening of the metal shell of the microwave oven capacitor is encapsulated by the injection encapsulation cover, and the leading-out electrode and the injection encapsulation cover are integrally injected to form an integration;

(2) the metal shell of the microwave oven capacitor can be a straight-side shell or a flanging shell, and when the straight-side shell is adopted, the edge of the opening of the metal shell needs to be wrapped by the injection molding packaging cover, so that the creepage distance between the electrode and the shell is increased.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention.

Fig. 2 is a schematic view of the first embodiment of the present invention.

Fig. 3 is a schematic top view of fig. 2.

FIG. 4 is a schematic sectional view A-A of FIG. 2.

Fig. 5 is a schematic structural diagram of a second embodiment of the present invention.

Fig. 6 is a schematic structural view of a third embodiment of the present invention.

Fig. 7 is a schematic structural view of a fourth embodiment of the present invention.

Fig. 8 is a schematic structural view of a fifth embodiment of the present invention.

Fig. 9 is a schematic top view of fig. 8.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

In a first embodiment, referring to fig. 1 to 4, a microwave oven capacitor includes a metal housing 1, a capacitor core (not shown in the figure), and a leading-out electrode 3, where the metal housing 1 is cylindrical, one end of the metal housing 1 is provided with an open end, the other end of the metal housing 1 is closed, the capacitor core is disposed in the metal housing 1 and electrically connected to the leading-out electrode 3, the leading-out electrode 3 extends out of the metal housing 1, the open end of the metal housing 1 is provided with an injection molding encapsulation cover 2, the injection molding encapsulation cover 2 is integrally injection molded with the metal housing 1 and the leading-out electrode 3, the injection molding encapsulation cover 2 includes a cover plate 23 and an electrode sleeve 22, the cover plate 23 covers the open end of the metal housing 1, the electrode sleeve 22 is located on a top surface of the cover plate 23, and the leading-out.

The periphery of the cover plate 23 of the injection molding encapsulation cover 2 is also provided with an insulation flanging 24, and the insulation flanging 24 covers the top surface and the periphery of the opening of the metal shell 1.

The top surface of the cover plate 23 of the injection molding packaging cover 2 is provided with a concave surface 21 corresponding to the periphery of the electrode sleeve 22.

The number of the electrode sleeves 22 is two, and three extraction electrodes 3 are arranged in each electrode sleeve 22.

The overlook surface of the microwave oven capacitor is in a waist circle shape.

The metal shell 1 is an aluminum shell or a copper shell.

The second embodiment is different from the first embodiment in that: referring to fig. 5, the opening of the metal shell 1 is outwardly provided with a flange 11. The insulating flange 24 of the injection molded encapsulation cover 2 extends outside the outer flange 11.

The third embodiment is different from the first embodiment in that: referring to fig. 6, the inner wall of the metal case 1 is also provided with an insulating film 5.

The fourth embodiment is different from the first embodiment in that: referring to fig. 7, the inner wall of the metal shell 1 is further provided with an insulating film 5, the opening of the metal shell 1 is outwardly provided with a flanging 11, and the flanging 11 is formed by turning the metal shell 1 and the insulating film 5 together. The insulating flange 24 of the injection molding encapsulation cover 2 is eliminated, and the cover plate 23 of the injection molding encapsulation cover 2 extends to the open top surface of the metal shell 1.

The fifth embodiment is different from the first embodiment in that: as shown in fig. 8 and 9, there are only two extraction electrodes 3 in each electrode sleeve 22.

Claims

1. The utility model provides a microwave oven capacitor, includes metal casing, electric capacity core and extraction electrode, and metal casing is the tube-shape, and metal casing's one end is equipped with opens spacious mouth, and metal casing's the other end seals, and electric capacity core sets up in metal casing and with extraction electrode electric connection, and the extraction electrode stretches out outside metal casing, its characterized in that: the opening of metal casing is equipped with the encapsulation lid of moulding plastics, and the encapsulation lid of moulding plastics and metal casing and the integrative injection moulding of extraction electrode, and the encapsulation lid of moulding plastics includes apron and electrode sleeve, and the apron covers metal casing's opening, and electrode sleeve is located the top surface of apron, and extraction electrode is located electrode sleeve.

2. The microwave oven capacitor as claimed in claim 1, wherein: the periphery of the cover plate of the injection molding packaging cover is also provided with an insulating flanging, and the insulating flanging covers the top surface and the periphery of the opening of the metal shell.

3. The microwave oven capacitor as claimed in claim 1, wherein: and an insulating film is arranged on the inner wall of the metal shell.

4. A capacitor for a microwave oven according to claim 1, 2 or 3, wherein: the opening of the metal shell is outwards provided with an outward flange.

5. The microwave oven capacitor as claimed in claim 1, wherein: and a concave surface is arranged on the top surface of the cover plate of the injection molding packaging cover corresponding to the periphery of the electrode sleeve.

6. The microwave oven capacitor as claimed in claim 1, wherein: one or two electrode sleeves are arranged, 1-4 extraction electrodes are arranged in each electrode sleeve, and the extraction electrodes in each electrode sleeve are mutually conducted.