CN215007937U

CN215007937U - Double-sided metalized polypropylene film capacitor

Info

Publication number: CN215007937U
Application number: CN202121362520.9U
Authority: CN
Inventors: 彭鹏; 彭云
Original assignee: Yangzhou Jingdian Electronic Technology Co ltd
Current assignee: Yangzhou Jingdian Electronic Technology Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2021-12-03
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a two-sided metallization polypropylene film capacitor, including capacitor case, capacitor case's middle fixedly connected with inner core sets up two-sided metallization polypropylene film in the inner core, and capacitor case lower extreme fixedly connected with backup pad, capacitor case are located the upside of backup pad and are equipped with the connecting plate, and the both sides fixedly connected with guide pin of backup pad, guide pin run through capacitor case, and the both sides of backup pad and connecting plate are the fixedly connected with connecting rod all, and the connecting rod is just to the guide pin, and the middle fixedly connected with of connecting rod has the lead wire, and the lead wire upper end is located the inner core, the utility model discloses explosion-proof equipment has been set up, can cut off when the condenser is on fire and be connected with the power, increase the security.

Description

Double-sided metalized polypropylene film capacitor

Technical Field

The utility model relates to a condenser field specifically is a two-sided metallization polypropylene film capacitor.

Background

The capacitor is formed by sandwiching a layer of non-conductive insulating medium between two conductors which are close to each other. When a voltage is applied across the two plates of the capacitor, the capacitor stores charge. The existing capacitor has no explosion-proof measure, and when a fault occurs, gas can be generated in the sealed shell, so that explosion is caused, fire disasters are caused, electric appliances are burnt, and great loss is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-sided metallization polypropylene film capacitor 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 two-sided metallization polypropylene film capacitor, includes capacitor case, capacitor case's middle fixedly connected with inner core sets up two-sided metallization polypropylene film in the inner core, capacitor case lower extreme fixedly connected with backup pad, capacitor case is located the upside of backup pad and is equipped with the connecting plate, the both sides fixedly connected with guide pin of backup pad, the guide pin runs through capacitor case, the both sides of backup pad and connecting plate are all fixedly connected with connecting rod, the connecting rod is just to the guide pin, the middle fixed connection of connecting rod has the lead wire, the lead wire upper end is located the inner core, the middle fixedly connected with spring leaf of backup pad, the both sides that the backup pad is located the spring leaf all sliding connection have the connecting block, the upper end of spring leaf is equipped with the sealing member.

Preferably, the middle of the supporting plate is provided with a through hole, the lower end of the supporting plate is fixedly connected with a connecting frame, the through hole is located in the connecting frame, and the sealing element is connected with the connecting frame in a sliding mode.

Preferably, the spring piece is of a U-shaped structure, two sides of the upper end of the spring piece are of arc structures, two sides of the spring piece are of inclined structures, and the upper end of the spring piece is abutted against the lower end face of the sealing piece.

Preferably, a fixing piece is arranged in the middle of the supporting plate, the fixing piece is of an I-shaped structure, and the spring piece is fixedly connected with the supporting plate through the fixing piece.

Preferably, the side end of the connecting block is fixedly connected with a cutting piece, the side end of the connecting rod is provided with an opening, and the cutting piece is slidably connected in the opening.

Preferably, the connecting block is of a triangular structure, a connecting channel is arranged in the middle of the connecting block, and the connecting channel is connected with the connecting column in a sliding mode.

Preferably, the upper end of connecting block is equipped with the stripper plate, the stripper plate is U type structure, the lower extreme both sides of stripper plate and the both ends fixed connection of spliced pole, the upper end and the sealing member lower extreme fixed connection of stripper plate.

Compared with the prior art, the beneficial effects of the utility model are that: when taking place fixed fault, the gaseous sealing member that promotes of production removes, and the stripper plate of sealing member both sides drives the spliced pole and removes, and the spliced pole drives the connecting block and removes when the connecting channel removes, and the cutting member of connecting block side cuts the lead wire, cuts off the lead wire for condenser and power disconnection, thereby improve the security, avoid the electrical apparatus to damage.

Drawings

FIG. 1 is a schematic view of the internal connection structure of a capacitor;

fig. 2 is a schematic perspective view of the spring plate and the connecting block.

In the figure: the capacitor comprises a capacitor shell 1, a guide pin 2, a lead wire 3, a connecting plate 4, a supporting plate 5, a spring piece 6, a fixing piece 7, a connecting rod 8, a through hole 9, a sealing piece 10, a connecting block 11, an extruding plate 12, a cutting piece 13, a connecting channel 14 and a connecting column 15.

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.

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a two-sided metallization polypropylene film capacitor, including capacitor case 1, the middle fixedly connected with inner core of capacitor case 1, set up two-sided metallization polypropylene film in the inner core, 1 lower extreme fixedly connected with backup pad 5 of capacitor case, the upside that capacitor case 1 is located backup pad 5 is equipped with connecting plate 4, the both sides fixedly connected with guide pin 2 of backup pad 5, guide pin 2 runs through capacitor case 1, backup pad 5 and connecting plate 4's both sides all fixedly connected with connecting rod 8, connecting rod 8 is just to guide pin 2, the middle fixedly connected with lead wire 3 of connecting rod 8, the lead wire 3 upper end is located the inner core, the middle fixedly connected with spring leaf 6 of backup pad 5, backup pad 5 is located the both sides of spring leaf 6 all sliding connection has connecting block 11, the upper end of spring leaf 11 is equipped with sealing member 10.

The middle of backup pad 5 is equipped with through-

hole

9, and 5 lower extremes of backup pad fixedly connected with connection frame, through-hole 9 all are located the connection frame, sealing member 10 and connection frame sliding connection, and the gas that the inner core burning produced passes through 9 holes and reaches sealing member 10 department, promotes sealing member 10 and removes.

The spring leaf 6 is U type structure, and the upper end both sides of spring leaf 6 are the arc structure, and the both sides of spring leaf 6 are the slope structure, and the upper end of spring leaf 6 supports and leans on the lower terminal surface at sealing member 10, and the condenser is in normal work, and spring leaf 6 can be fixed the position of sealing member 10, and when the condenser damaged, 6 both ends of spring leaf are extrudeed to both sides crooked.

The middle of the supporting plate 5 is provided with a fixing piece 7, the fixing piece 7 is of an I-shaped structure, the spring piece 6 is fixedly connected with the supporting plate 5 through the fixing piece 7, and the fixing piece 7 positions and fixes the position of the spring piece 6.

Side fixedly connected with cutting member 13 of connecting block 11, the side of connecting rod 8 is equipped with the opening, and cutting member 13 sliding connection is in the opening, and when connecting block 11 drove cutting member 13 and removed, cutting member 13 cut off lead wire 3, with condenser and power disconnection.

The connecting block 11 is a triangular structure, a connecting channel 14 is arranged in the middle of the connecting block 11, a connecting column 15 is slidably connected in the connecting channel 14, and the connecting column 15 drives the connecting block 11 to move when moving in the connecting channel 14.

The upper end of connecting block 11 is equipped with stripper plate 12, and stripper plate 12 is U type structure, and the both ends fixed connection of the lower extreme both sides of stripper plate 12 and spliced pole 15, the upper end of stripper plate 12 and the lower extreme fixed connection of sealing member 10 drive spliced pole 15 through stripper plate 12 and remove when sealing member 10 removed.

The working principle is as follows: when taking place fixed fault, the gas that the inner core burning produced reaches sealing member 10 department through leading to 9 holes, promotes sealing member 10 and removes, drives spliced pole 15 through stripper plate 12 when sealing member 10 removes and removes, and spliced pole 15 drives connecting block 11 when removing in the lane 14 removes, and the cutting piece 13 of connecting block 11 side cuts lead wire 3, cuts off lead wire 3 for condenser and power disconnection.

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 double-sided metallized polypropylene film capacitor comprising a capacitor housing (1), characterized in that: the middle of the capacitor shell (1) is fixedly connected with an inner core, a double-sided metalized polypropylene film is arranged in the inner core, the lower end of the capacitor shell (1) is fixedly connected with a support plate (5), the upper side of the capacitor shell (1) positioned on the support plate (5) is provided with a connecting plate (4), two sides of the support plate (5) are fixedly connected with a guide pin (2), the guide pin (2) penetrates through the capacitor shell (1), two sides of the support plate (5) and the connecting plate (4) are both fixedly connected with a connecting rod (8), the connecting rod (8) is just opposite to the guide pin (2), the middle of the connecting rod (8) is fixedly connected with a lead (3), the upper end of the lead (3) is positioned in the inner core, the middle of the support plate (5) is fixedly connected with a spring piece (6), and two sides of the support plate (5) positioned on the spring piece (6) are both slidably connected with connecting blocks (11), and a sealing element (10) is arranged at the upper end of the spring piece (6).

2. The double-sided metallized polypropylene film capacitor of claim 1 wherein: the middle of backup pad (5) is equipped with through-hole (9), backup pad (5) lower extreme fixedly connected with connection frame, through-hole (9) all are located the connection frame, sealing member (10) and connection frame sliding connection.

3. The double-sided metallized polypropylene film capacitor of claim 1 wherein: the spring piece (6) is of a U-shaped structure, the two sides of the upper end of the spring piece (6) are of arc-shaped structures, the two sides of the spring piece (6) are of inclined structures, and the upper end of the spring piece (6) is abutted against the lower end face of the sealing piece (10).

4. The double-sided metallized polypropylene film capacitor of claim 1 wherein: the spring piece is characterized in that a fixing piece (7) is arranged in the middle of the supporting plate (5), the fixing piece (7) is of an I-shaped structure, and the spring piece (6) is fixedly connected with the supporting plate (5) through the fixing piece (7).

5. The double-sided metallized polypropylene film capacitor of claim 1 wherein: the side end fixedly connected with cutting member (13) of connecting block (11), the side end of connecting rod (8) is equipped with the opening, cutting member (13) sliding connection is in the opening.

6. The double-sided metallized polypropylene film capacitor of claim 1 wherein: the connecting block (11) is of a triangular structure, a connecting channel (14) is arranged in the middle of the connecting block (11), and a connecting column (15) is connected in the connecting channel (14) in a sliding mode.

7. The double-sided metallized polypropylene film capacitor of claim 1 wherein: the upper end of connecting block (11) is equipped with stripper plate (12), stripper plate (12) are U type structure, the both ends fixed connection of the lower extreme both sides of stripper plate (12) and spliced pole (15), the upper end and sealing member (10) lower extreme fixed connection of stripper plate (12).