CN213183984U

CN213183984U - Capacitor special for variable frequency power supply

Info

Publication number: CN213183984U
Application number: CN202022251143.3U
Authority: CN
Inventors: 李健光; 李泰甫; 朱永光
Original assignee: Nantong Xiangriya Precision Electromechanical Technology Co Ltd
Current assignee: Nantong Xiangriya Precision Electromechanical Technology Co Ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-05-11
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a special condenser of variable frequency power supply, including the shell body, shell body upper end installation lid, first contact electrode piece and second contact electrode piece are installed respectively to the terminal surface under the lid, and first pin and second pin are installed respectively to the lid up end, and first pin and second pin run through lid and first contact electrode piece and second contact electrode piece electric connection respectively, and shell body inner chamber installation electric capacity core, and the electric capacity core respectively with first contact electrode piece and second contact electrode piece be connected, the outside cladding rupture membrane of shell body, rupture membrane outside installation radiator unit, the utility model discloses simple structure has high temperature resistant, the function of resistant heavy current impact, and the radiating effect is good, and explosion-proof effect is good, can ensure variable frequency power supply's performance.

Description

Capacitor special for variable frequency power supply

Technical Field

The utility model relates to a condenser technical field specifically is a special condenser of variable frequency power supply.

Background

The capacitor, generally referred to simply as its capacity to hold a charge, is denoted by the letter C. Definition 1 a capacitor, as the name implies, is a 'charged capacitor', a device that contains an electrical charge. The capacitor is one of electronic elements widely used in electronic equipment, and is widely applied to aspects of blocking AC, coupling, bypassing, filtering, tuning loop, energy conversion, control and the like in a circuit. Definition 2-capacitor, any two conductors (including wires) that are insulated from each other and closely spaced form a capacitor.

The capacitors used in the existing variable frequency power supply have poor explosion resistance and heat dissipation performance, and the service performance is affected, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a special condenser of variable frequency power supply to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special condenser of variable frequency power supply, includes the shell body, shell body upper end installation lid, first contact electrode piece and second contact electrode piece are installed respectively to the terminal surface under the lid, first pin and second pin are installed respectively to the lid up end, first pin with the second pin runs through lid and first contact electrode piece and second contact electrode piece electric connection respectively, shell body inner chamber installation electric capacity core, just the electric capacity core is connected with first contact electrode piece and second contact electrode piece respectively, the outside cladding rupture membrane of shell body, rupture membrane outside installation radiator unit.

Preferably, this application provides a special condenser of variable frequency power supply, wherein, the rupture membrane is including ceramic fiber layer, polytetrafluoroethylene layer, EVA layer, polypropylene layer and the antistatic backing of laminating in proper order.

Preferably, the application provides a special condenser of variable frequency power supply, wherein, radiator unit includes heating panel, metal substrate and radiating fin, the rupture membrane presss from both sides and locates between heating panel and the shell body, the metal substrate welds in the heating panel surface, radiating fin welds in the metal substrate surface, radiating fin adopts V type structure.

Preferably, the capacitor special for the variable frequency power supply is characterized in that the inner cavity of the outer shell is filled with a high-temperature and high-humidity resistant potting material.

Preferably, the capacitor special for the variable frequency power supply is provided by the application, wherein a reinforcing rib plate is further installed on the bottom end face of the outer shell.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model has simple structure, high temperature resistance, high current impact resistance, good heat dissipation effect and good explosion-proof effect, and can ensure the service performance of the variable frequency power supply; the explosion-proof membrane adopted by the utility model has good explosion-proof effect, and solves the problem of single function of the existing explosion-proof membrane, thereby reducing unnecessary accidents; the adopted heat dissipation assembly has good heat dissipation performance, can quickly conduct heat generated during the working of the capacitor, and prolongs the service life of the capacitor.

Drawings

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

FIG. 2 is a cross-sectional view of the rupture disk of the present invention;

fig. 3 is a top view of the heat dissipation assembly of the present invention.

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 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. 1-3, the present invention provides a technical solution: a capacitor special for a variable frequency power supply comprises an outer shell 1, wherein a high-temperature and high-humidity resistant encapsulating material 18 is filled in the inner cavity of the outer shell 1, and a reinforcing rib plate 19 is further installed on the bottom end face of the outer shell 1; the anti-explosion cover comprises a shell body 1 and is characterized in that a cover body 2 is installed at the upper end of the shell body 1, a first contact electrode plate 3 and a second contact electrode plate 4 are installed on the lower end face of the cover body 2 respectively, a first pin 5 and a second pin 6 are installed on the upper end face of the cover body 2 respectively, the first pin 5 and the second pin 6 penetrate through the cover body 2 and are electrically connected with the first contact electrode plate 3 and the second contact electrode plate 4 respectively, an electric capacity core 7 is installed in an inner cavity of the shell body 1, the electric capacity core 7 is connected with the first contact electrode plate 3 and the second contact electrode plate 4 respectively, an anti-explosion film 8 is coated outside the shell body 1, and a heat dissipation assembly 9.

The utility model discloses in, rupture membrane 8 is including ceramic fibre layer 10, polytetrafluoroethylene layer 11, EVA layer 12, polypropylene layer 13 and the antistatic backing 14 of laminating in proper order.

The utility model discloses in, radiator unit 9 includes heating panel 15, metal substrate 16 and radiating

fin

17, 8 clamps of rupture membrane are located between heating panel 15 and the shell body 1, metal substrate 16 welds in heating panel 15 surface, radiating fin 17 welds in metal substrate 16 surface, radiating fin 17 adopts V type structure.

In summary, the utility model has simple structure, high temperature resistance, high current impact resistance, good heat dissipation effect and good explosion-proof effect, and can ensure the service performance of the variable frequency power supply; the explosion-proof membrane adopted by the utility model has good explosion-proof effect, and solves the problem of single function of the existing explosion-proof membrane, thereby reducing unnecessary accidents; the adopted heat dissipation assembly has good heat dissipation performance, can quickly conduct heat generated during the working of the capacitor, and prolongs the service life of the capacitor.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a special condenser of variable frequency power supply, includes shell body (1), its characterized in that: the anti-explosion cover is characterized in that a cover body (2) is installed at the upper end of the outer shell (1), a first contact electrode plate (3) and a second contact electrode plate (4) are installed on the lower end face of the cover body (2) respectively, a first pin (5) and a second pin (6) are installed on the upper end face of the cover body (2) respectively, the first pin (5) and the second pin (6) penetrate through the cover body (2) and are electrically connected with the first contact electrode plate (3) and the second contact electrode plate (4) respectively, an electric capacity core (7) is installed in the inner cavity of the outer shell (1), the electric capacity core (7) is connected with the first contact electrode plate (3) and the second contact electrode plate (4) respectively, the outer portion of the outer shell (1) is coated with an anti-explosion film (8), and a heat dissipation assembly (9) is installed.

2. The capacitor special for the variable frequency power supply as claimed in claim 1, wherein: the explosion-proof membrane (8) comprises a ceramic fiber layer (10), a polytetrafluoroethylene layer (11), an EVA layer (12), a polypropylene layer (13) and an anti-static layer (14) which are sequentially attached.

3. The capacitor special for the variable frequency power supply as claimed in claim 1, wherein: radiating component (9) include heating panel (15), metal substrate (16) and radiating fin (17), rupture membrane (8) press from both sides and locate between heating panel (15) and shell body (1), metal substrate (16) weld in heating panel (15) surface, radiating fin (17) weld in metal substrate (16) surface, radiating fin (17) adopt V type structure.

4. The capacitor special for the variable frequency power supply as claimed in claim 1, wherein: the inner cavity of the outer shell (1) is also filled with a high-temperature and high-humidity resistant potting material (18).

5. The capacitor special for the variable frequency power supply as claimed in claim 1, wherein: and a reinforcing rib plate (19) is further installed on the bottom end face of the outer shell (1).