CN210575553U

CN210575553U - High leakproofness polypropylene film capacitor

Info

Publication number: CN210575553U
Application number: CN201921826119.9U
Authority: CN
Inventors: 吴鑫; 黄晓峰
Original assignee: Techcap Capacitor Inc
Current assignee: Techcap Capacitor Inc
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-05-19
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses a high leakproofness polypropylene film capacitor, including capacitor case, capacitor case's top is equipped with the top cap, and capacitor case's inside is equipped with the backing plate, and the top of backing plate is connected with connects the electroplax, and the top that connects the electroplax is connected with the electrode, and the top of electrode is connected with the electrode connector. The utility model discloses a structure convenient to installation and dismantlement, realize the installation between connecting plate and the cardboard, and then be convenient for installation and the dismantlement to the electrode, be convenient for maintain maintenance and the change of structure after it damages, block and the sealing washer structure of rectangle fixture block and third draw-in groove of deuterogamying, make the connection between connecting plate and the cardboard inseparabler, and then improve the sealing performance who installs the electrode between connecting plate and cardboard, realize its high leakproofness can, the condition that prevents the electric leakage takes place, and then the extension is in the life of condenser in the capacitor case, this device simple structure, high durability and convenient use, and is suitable for the popularization.

Description

High leakproofness polypropylene film capacitor

Technical Field

The utility model relates to a relevant field of condenser specifically is a high leakproofness polypropylene film capacitor.

Background

Two conductors close to each other, and a layer of non-conductive insulating medium is sandwiched between the two conductors to form a capacitor, which plays an important role in circuits such as tuning, bypassing, coupling, filtering and the like, and is widely applied to the electronic field. The film capacitor is also called plastic film capacitor, it uses plastic film as dielectric, the polypropylene film capacitor is a capacitor with metal foil as electrode, after it is overlapped with polypropylene from two ends, it is winded into cylindrical structure, it has the advantages of small dielectric loss, high insulation resistance, excellent frequency characteristic and large temperature coefficient, it can be used in high-frequency circuit, when it is used, it can ensure that the signal is transmitted, it does not produce too large distortion. In the conventional polypropylene film capacitor, the sealing property is poor after the electrodes are mounted, and the poor sealing property affects the use of the capacitor, so that a polypropylene film capacitor with high sealing property is urgently needed to improve the performance of the capacitor by using the highly sealed electrodes.

Disclosure of Invention

An object of the utility model is to provide a high leakproofness 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: a high-sealing polypropylene film capacitor comprises a capacitor shell, wherein a top cover is arranged at the top of the capacitor shell, a backing plate is arranged inside the capacitor shell, the top of the backing plate is connected with an electric board, the top of the electric board is connected with an electrode, the top of the electrode is connected with an electrode connector, a connecting plate is sleeved outside the electrode, a first clamping groove is formed in the bottom of the middle of the connecting plate, a second clamping groove is formed in the top of the first clamping groove, a convex ring is arranged on the side of the top of the connecting plate, which is positioned at the second clamping groove, a third clamping groove is formed in the position of the top of the connecting plate, which is positioned at the two sides of the convex ring, a clamping plate is arranged at the top of the connecting plate, the clamping plate is also sleeved outside the electrode, a fourth clamping groove is formed in the bottom of the middle of the clamping plate, a fifth, the bottom of cardboard is in the both sides position fixedly connected with rectangle fixture block of fourth draw-in groove, the outer lane position gomphosis that the bottom of cardboard is in rectangle fixture block is installed the sealing washer, electrode connection head runs through top cap to its top, the top of top cap is also arranged in to connecting plate and cardboard.

Preferably, the bottom of the electric connection plate penetrates through the backing plate.

Preferably, the electrode connector is a threaded conductive structure.

Preferably, the first clamping groove is of a rectangular structure and is embedded with the electric connection plate, and the second clamping groove is of a cylindrical structure and is embedded with the side of the electrode.

Preferably, the convex ring is embedded into the fourth clamping groove, the rectangular clamping block and the third clamping groove are corresponding in position, the rectangular clamping block and the third clamping groove are clamped, the top of the electrode is embedded into the fifth clamping groove, and the electrode connector is embedded into the sixth clamping groove and penetrates through the sixth clamping groove.

Preferably, after the clamping plate is clamped and connected with the connecting plate, the height of the fifth clamping groove is parallel to the height of the electrode.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a structure convenient to installation and dismantlement, realize the installation between connecting plate and the cardboard, and then be convenient for installation and the dismantlement to the electrode, be convenient for maintain maintenance and the change of structure after it damages, block and the sealing washer structure of rectangle fixture block and third draw-in groove of deuterogamying, make the connection between connecting plate and the cardboard inseparabler, and then improve the sealing performance who installs the electrode between connecting plate and cardboard, realize its high leakproofness can, the condition that prevents the electric leakage takes place, and then the extension is in the life of condenser in the capacitor case, this device simple structure, high durability and convenient use, and is suitable for the popularization.

Drawings

Fig. 1 is a schematic view of an electrode structure of the present invention;

FIG. 2 is a schematic top view of the connecting plate according to the present invention;

FIG. 3 is a schematic view of the bottom overall structure of the connecting plate of the present invention;

fig. 4 is a schematic structural view of the assembled connection plate and electrode of the present invention;

FIG. 5 is a schematic view of the entire bottom structure of the clamping plate of the present invention;

fig. 6 is a schematic structural view of the assembled electrode of the present invention;

fig. 7 is a schematic structural diagram of the assembled capacitor case of the present invention.

In the figure: 1. a capacitor case; 2. a top cover; 3. a base plate; 4. a power connection plate; 5. an electrode; 6. an electrode connector; 7. a connecting plate; 8. a first card slot; 9. a second card slot; 10. a convex ring; 11. a third card slot; 12. clamping a plate; 13. a fourth card slot; 14. a fifth card slot; 15. a sixth card slot; 16. a rectangular fixture block; 17. and (5) sealing rings.

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 "vertical", "upper", "lower", "horizontal", 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 referred to 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.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 according to specific situations by those skilled in the art.

Referring to fig. 1-7, the present invention provides a technical solution: a high-sealing polypropylene film capacitor comprises a capacitor shell 1, a top cover 2 is arranged at the top of the capacitor shell 1, a backing plate 3 is arranged inside the capacitor shell 1, the top of the backing plate 3 is connected with an electric connection plate 4, the top of the electric connection plate 4 is connected with an electrode 5, the top of the electrode 5 is connected with an electrode connector 6, the outer side of the electrode 5 is sleeved with a connecting plate 7, the bottom of the middle part of the connecting plate 7 is provided with a first clamping groove 8, the top of the first clamping groove 8 is provided with a second clamping groove 9, the side of the top of the connecting plate 7, which is positioned at the second clamping groove 9, is provided with a convex ring 10, the positions of the top of the connecting plate 7, which are positioned at two sides of the convex ring 10, are provided with third clamping grooves 11, the top of the connecting plate 7 is provided with a clamping plate 12, the clamping plate 12 is also sleeved at the outer side of the electrode 5, the, the bottom of cardboard 12 is in the both sides position fixedly connected with rectangle fixture block 16 of fourth draw-in groove 13, and the sealing washer 17 is installed in the outer lane position gomphosis that the bottom of cardboard 12 is in rectangle fixture block 16, and electrode connection head 6 runs through top cap 2 to its top, and top cap 2's top is also arranged in to connecting plate 7 and cardboard 12.

Further, the bottom of the electric connection plate 4 penetrates through the base plate 3 and is arranged, the electrode connector 6 is of a threaded conductive structure, the first clamping groove 8 is of a rectangular structure and is embedded with the electric connection plate 4, the second clamping groove 9 is of a cylindrical structure and is embedded with the side of the electrode 5, the convex ring 10 is embedded into the fourth clamping groove 13, the rectangular clamping block 16 corresponds to the third clamping groove 11 in position, the rectangular clamping block 16 is clamped with the third clamping groove 11, the top of the electrode 5 is embedded into the fifth clamping groove 14, the electrode connector 6 is embedded into the sixth clamping groove 15 and penetrates through the sixth clamping groove 15 and is arranged, after the clamping plate 12 is clamped and connected with the connecting plate 7, and the height of the fifth clamping groove 14 is flush with the height of the electrode 5.

The specific principle is as follows: during the use, install backing plate 3 in capacitor case 1's inside for partly take off electroplax 4 exposes to top cap 2 on, establish erection joint board 7 and cardboard 12 at the outside cover of electrode 5 respectively, be connected through the gomphosis between rectangle fixture block 16 and the third draw-in groove 11 between connecting board 7 and the cardboard 12 this moment, sealing washer 17 then further guarantees sealed between the two, electrode 5 just is sealed between connecting board 7 and cardboard 12 like this, realize electric capacity and external equipment's connection of electric lines through electrode connector 6 at last.

The utility model discloses a structure convenient to installation and dismantlement, realize the installation between connecting plate 7 and the cardboard 12, and then be convenient for installation and the dismantlement to electrode 5, be convenient for maintain and the change of structure after it damages, the block and the sealing washer 17 structure of rectangular fixture block 16 and third draw-in groove 11 of deuterogamying, make the connection between connecting plate 7 and the cardboard 12 inseparabler, and then improve the sealing performance of installing electrode 5 between connecting plate 7 and cardboard 12, realize its high leakproofness ability, the condition that prevents the electric leakage takes place, and then the extension is in the life of condenser in condenser housing 1, this device simple structure, high durability and convenient use, and is suitable for the popularization.

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 high leakproofness polypropylene film capacitor which characterized in that: comprises a capacitor shell (1), wherein a top cover (2) is arranged at the top of the capacitor shell (1), a backing plate (3) is arranged inside the capacitor shell (1), the top of the backing plate (3) is connected with an electricity-receiving plate (4), the top of the electricity-receiving plate (4) is connected with an electrode (5), the top of the electrode (5) is connected with an electrode connector (6), a connecting plate (7) is sleeved outside the electrode (5), a first clamping groove (8) is formed in the bottom of the middle of the connecting plate (7), a second clamping groove (9) is formed in the top of the first clamping groove (8), a convex ring (10) is arranged on the side of the top of the connecting plate (7) in the second clamping groove (9), a third clamping groove (11) is formed in the position of the top of the connecting plate (7) at the two sides of the convex ring (10), a clamping plate (12) is, the outside of electrode (5) is also located in cover to cardboard (12), fourth draw-in groove (13) have been seted up to the bottom at cardboard (12) middle part, fifth draw-in groove (14) have been seted up at the top of fourth draw-in groove (13), the top of fifth draw-in groove (14) is equipped with sixth draw-in groove (15), the both sides position fixedly connected with rectangle fixture block (16) that the bottom of cardboard (12) is in fourth draw-in groove (13), sealing washer (17) are installed in the outer lane position gomphosis that the bottom of cardboard (12) is in rectangle fixture block (16), electrode connector (6) run through top cap (2) to its top, the top of top cap (2) is also arranged in to connecting plate (7) and cardboard (12).

2. The high-sealability polypropylene film capacitor of claim 1, wherein: the bottom of the electric connection plate (4) penetrates through the backing plate (3).

3. The high-sealability polypropylene film capacitor of claim 1, wherein: the electrode connector (6) is of a threaded conductive structure.

4. The high-sealability polypropylene film capacitor of claim 1, wherein: the first clamping groove (8) is of a rectangular structure and is embedded with the electric connection plate (4), and the second clamping groove (9) is of a cylindrical structure and is embedded with the side of the electrode (5).

5. The high-sealability polypropylene film capacitor of claim 1, wherein: the convex ring (10) is embedded into the fourth clamping groove (13), the rectangular clamping block (16) and the third clamping groove (11) are corresponding in position, the rectangular clamping block (16) and the third clamping groove (11) are clamped, the top of the electrode (5) is embedded into the fifth clamping groove (14), and the electrode connector (6) is embedded into the sixth clamping groove (15) and penetrates through the sixth clamping groove (15).

6. The high-sealability polypropylene film capacitor of claim 1, wherein: after the clamping plate (12) is connected with the connecting plate (7) in a clamping mode, the height of the fifth clamping groove (14) is flush with the height of the electrode (5).