CN210516493U

CN210516493U - Thin film capacitor

Info

Publication number: CN210516493U
Application number: CN201921892289.7U
Authority: CN
Inventors: 李威
Original assignee: Shenzhen Longqi Electronic Co Ltd
Current assignee: Shenzhen Longqi Electronic Co Ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-05-12
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a film capacitor, which comprises an outer shell, the below of shell is equipped with first casing and second casing, the top of first casing and second casing all rotates with the below left and right sides of shell through the pivot and links to each other, the below right-hand member rigid coupling of first casing has the rubber pad, the right-hand member of rubber pad closely laminates with the below left end of second casing, the below right side inner wall of first casing and second casing below left side inner wall all are run through by the below left and right sides outer wall of condenser. This decompression metallized film capacitor of automatic gassing of explosion-proof, paraffin are heated the inflation and are made first push rod drive ejector pin and move right on the shell, and the ejector pin moves right and makes the through-hole open with the heat discharge, and the inserted bar is pegged graft in the slot, makes whole device sealed, plays the guard action, has solved the decompression metallized film capacitor of current automatic gassing of explosion-proof, and the protective properties is poor, accidentally injures staff's problem easily when using.

Description

Thin film capacitor

Technical Field

The utility model relates to a condenser technical field specifically is a film capacitor.

Background

Along with the high-speed development of national economy, the power demand is increasing day by day, the country will greatly promote the construction of the strong smart grid, driven the rapid development of the electrical instrument industry at the same time, the intelligent electric energy meter is regarded as the indispensable instrument in the strong smart grid, expand the market share continuously with its unique function, the development of the strong smart grid, the development of the new product of urgent demand, the metallized film capacitor is regarded as the important device in the intelligent electric energy meter and quoted extensively, but the decompression metallized film capacitor of the existing explosion-proof automatic gassing, the protective properties are poor, easy to injure the problem of staff by mistake when using.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a film capacitor to solve the decompression metallized film capacitor of the automatic gassing of current explosion-proof that proposes in the above-mentioned background art, protective properties is poor, accidentally injures staff's problem easily when using.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a film capacitor, includes the shell, the below of shell is equipped with first casing and second casing, the below left and right sides rotation of the top of first casing and second casing all links to each other through pivot and shell, the below right-hand member rigid coupling of first casing has the rubber pad, the right-hand member of rubber pad closely laminates with the below left end of second casing, the below right side inner wall of first casing and second casing below left side inner wall all run through by the below left and right sides outer wall of condenser, first casing and second casing all closely laminate with the condenser, sealing mechanism is installed to the left side bottom of second casing, the through-hole has been seted up in the top left side of shell, gassing mechanism is installed to the left side inner wall of shell, bounce-back mechanism is installed to the right side inner wall of shell.

Preferably, the deflation mechanism comprises a first box body, paraffin, a first push rod, a first fixture block, a first clamping groove, a push rod, a slide block, a slide groove and a bottom plate, wherein the left end outer wall of the first box body is fixedly connected with the left end inner wall of the shell, the inner wall of the first box body is attached to the outer wall of the paraffin, the right middle outer wall of the paraffin is attached to the left end of the first push rod, the left side outer wall of the first push rod is attached to the right side inner wall of the first box body, the right end of the first push rod is fixedly connected with the first fixture block, the lower outer wall of the first fixture block is fixedly connected with the middle inner wall of the first clamping groove, the right end of the first clamping groove is fixedly connected with the push rod, the upper outer wall of the push rod penetrates through the middle top end inner wall of the shell, the push rod is in clearance fit with the shell, the top end of the upper bottom end of the push rod, two the slider all with spout slip joint, the spout is seted up at the top both sides front end of bottom plate, the top rigid coupling of bottom plate is inner wall in the middle of the top of shell.

Preferably, the sliding block and the sliding groove form a sliding structure.

Preferably, bounce-back mechanism includes second box, first spring, second push rod, second fixture block and second draw-in groove, the right-hand member outer wall rigid coupling of second box is at the right-hand member inner wall of shell, the equal rigid coupling of right side inner wall of second box has first spring, the equal rigid coupling of left end of first spring has the second push rod, the left end rigid coupling of second push rod has the second fixture block, the middle inner wall looks rigid coupling in the top of the below outer wall of second fixture block and second draw-in groove, the left end rigid coupling of second draw-in groove is at the below right-hand member of ejector pin.

Preferably, sealing mechanism includes inserted bar, round pin axle, diaphragm, button, second spring and slot, the inner wall rotates with the left side front end of diaphragm through the round pin axle in the middle of the right side of inserted bar and links to each other, the top rigid coupling of diaphragm is in the bottom left side of second casing, the right side bottom rigid coupling of inserted bar has the button, the right side top rigid coupling of inserted bar has the second spring, the top rigid coupling of second spring is in the left side bottom of second casing, the left side outer wall of inserted bar is pegged graft mutually with the middle inner wall of slot, the top rigid coupling of slot is in the right side bottom of first casing.

Preferably, the elastic coefficient of the second spring is 1-100N \ CM.

Compared with the prior art, the beneficial effects of the utility model are that: this decompression metallized film capacitor of explosion-proof automatic gassing, through paraffin, first push rod, the ejector pin, the inserted bar, the slot, and a housing, cooperation between first casing second casing and the rubber pad, paraffin thermal expansion makes first push rod drive the ejector pin and moves right on the shell, the ejector pin moves right and makes the through-hole open with the heat discharge, first casing and second casing all rotate on the shell through the pivot, make rubber pad and second casing contact, the inserted bar is pegged graft in the slot, make whole device sealed, play the guard action, the decompression metallized film capacitor of current explosion-proof automatic gassing has been solved, the protection performance is poor, the easy accidental injury staff's problem when using.

Drawings

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

FIG. 2 is a schematic structural view of the plunger, the pin shaft and the cross plate of FIG. 1;

FIG. 3 is a schematic structural view of the paraffin wax, the first push rod and the ejector rod in FIG. 1;

fig. 4 is a schematic structural view of the second push rod, the second latch and the second slot in fig. 1.

In the figure: 1. the gas release device comprises a shell, 2, a first shell, 3, a second shell, 4, a gas release mechanism, 401, a first box body, 402, paraffin, 403, a first push rod, 404, a first clamping block, 405, a first clamping groove, 406, a push rod, 407, a sliding block, 408, a sliding groove, 409, a bottom plate, 5, a rebound mechanism, 501, a second box body, 502, a first spring, 503, a second push rod, 504, a second clamping block, 505, a second clamping groove, 6, a sealing mechanism, 601, an inserting rod, 602, a pin shaft, 603, a transverse plate, 604, a button, 605, a second spring, 606, a slot, 7, a rotating shaft, 8, a capacitor, 9, a through hole, 10 and a rubber pad.

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. 1-4, the present invention provides a technical solution: a film capacitor comprises a shell 1, a first shell 2 and a second shell 3 are arranged below the shell 1, the upper parts of the first shell 2 and the second shell 3 are rotatably connected with the left side and the right side below the shell 1 through a rotating shaft 7, the first shell 2 and the second shell 3 are both rotated on the shell 1 through the rotating shaft 7, a rubber pad 10 is fixedly connected with the right end below the first shell 2, the first shell 2 supports the rubber pad 10, the right end of the rubber pad 10 is tightly attached to the left end below the second shell 3, the first shell 2 drives the rubber pad 10 to be attached to the second shell 3 to seal the whole device, the inner wall of the right side below the first shell 2 and the inner wall of the left side below the second shell 3 are both penetrated through by the outer walls of the left side and the right side below the capacitor 8, the first shell 2 and the second shell 3 are both tightly attached to the capacitor 8, the first shell 2 and the second shell 3 are opened to take out the capacitor 8 from the shell 1, the type of condenser 8 is MDS22G105K, and sealing mechanism 6 is installed to the left side bottom of second casing 3, and through-hole 9 has been seted up on the top left side of shell 1, and through-hole 9 is used for the gassing, and gassing mechanism 4 is installed to the left side inner wall of shell 1, and bounce-back mechanism 5 is installed to the right side inner wall of shell 1.

The air release mechanism 4 comprises a first box 401, paraffin 402, a first push rod 403, a first fixture block 404, a first clamping groove 405, a push rod 406, a slide block 407, a slide groove 408 and a bottom plate 409, wherein the outer wall of the left end of the first box 401 is fixedly connected to the inner wall of the left end of the shell 1, the shell 1 supports the first box 401, the inner wall of the first box 401 is attached to the outer wall of the paraffin 402, the first box 401 supports the paraffin 402, the middle outer wall of the right side of the paraffin 402 is attached to the left end of the first push rod 403, the outer wall of the left side of the first push rod 403 is attached to the inner wall of the right side of the first box 1, the paraffin 402 is heated and expanded to enable the first push rod 403 to move rightwards in the first box 1, the paraffin is also called crystal form wax and is usually white and tasteless waxy solid, the paraffin expands at 47-64 ℃, the right end of the first push rod 403 is fixedly connected with the first fixture block 404, the lower outer wall of the first fixture block 404 is fixedly connected with the middle inner wall of the first clamping groove 405, the right end of the first clamping groove 405 is fixedly connected with a top rod 406, the upper outer wall of the top rod 406 penetrates through the middle top end inner wall of the shell 1, the top rod 406 is in clearance fit with the shell 1, the first fixture block 404 enables the top rod 406 to move rightwards in the shell 1 through the first clamping groove 405, the upper bottom end of the top rod 406 is attached to the top end middle of the shell 1, the top rod 406 moves rightwards to open the through hole 9 to discharge heat, the lower rear end of the top rod 406 is fixedly connected with a sliding block 407, the two sliding blocks 407 are in sliding clamping connection with a sliding groove 408 to prevent the sliding blocks 407 from derailing, the sliding grooves 408 are formed in the front ends of the upper two sides of the bottom plate 409, the top rod 406 slides rightwards in the sliding groove 408 of the bottom plate 409 through the two sliding blocks 407, the top end of the bottom, the slider 407 slides right and left in the slide groove 408.

The rebounding mechanism 5 includes a second case 501, a first spring 502, the second push rod 503, the second fixture block 504 and the second fixture groove 505, the right outer wall of the second box 501 is fixedly connected to the right inner wall of the housing 1, the housing 1 supports the second box 501, the right inner wall of the second box 1 is fixedly connected to the first spring 502, the second box 1 supports the two first springs 502, the left end of each first spring 502 is fixedly connected to the second push rod 503, the left end of each second push rod 503 is fixedly connected to the second fixture block 504, the lower outer wall of each second fixture block 504 is fixedly connected to the upper middle inner wall of the second fixture groove 505, the left end of each second fixture groove 505 is fixedly connected to the lower right end of the ejector 406, the ejector 406 enables the second fixture block 504 to move rightwards through the second fixture groove 505, the second fixture block 504 drives the second push rod 503 to move rightwards to extrude the first spring 502, and the second push rod 503 rebounds through the elasticity of the second spring 502.

The sealing mechanism 6 comprises an insertion rod 601, a pin shaft 602, a transverse plate 603, a button 604, a second spring 605 and a slot 606, wherein the middle inner wall of the right side of the insertion rod 601 is rotatably connected with the front end of the left side of the transverse plate 603 through the pin shaft 602, the insertion rod 601 is rotated on the transverse plate 603 through the pin shaft 602, the top end of the transverse plate 603 is fixedly connected with the left side of the bottom end of the second shell 3, the second shell 3 supports the transverse plate 603, the button 604 is fixedly connected with the right side bottom end of the insertion rod 601, the insertion rod 601 is rotated by pressing the button 604, the right top end of the insertion rod 601 is fixedly connected with the second spring 605, the insertion rod 601 extrudes the second spring 605 and resets the insertion rod 601 through the elasticity of the second spring 605, the top end of the second spring 605 is fixedly connected with the left side bottom end of the second shell 3, the second shell 3 supports the second spring 605, the left outer wall of the insertion rod 601 is inserted into the middle inner wall of the slot, the first housing 2 and the second housing 3 are sealed, the top end of the slot 606 is fixedly connected to the bottom end of the right side of the first housing 2, the slot 606 is supported by the first housing 2, and the elastic coefficient of the second spring 605 is 1-100N \ CM.

When the explosion-proof automatic deflation decompression metallized film capacitor is used, firstly, a lead of a capacitor 8 manually penetrates through a first shell 2 and a second shell 3, the first shell 2 and the second shell 3 rotate on a shell 1 through a rotating shaft 7, a rubber pad 10 is contacted with the second shell 3, a button 604 is released, an inserted rod 601 is reset through the elasticity of a second spring 605, the inserted rod 601 rotates on a transverse plate 603 through a pin shaft 602, the inserted rod 601 is inserted in a slot 606 at the moment to seal the whole device, the capacitor 8 works, when the capacitor 8 reaches a certain temperature, paraffin 402 is heated and expanded, the paraffin 402 pushes a first push rod 403 to move rightwards in a first box 401, the first push rod 403 drives a first clamping block 404 to move rightwards, the first clamping block 404 drives a top rod 406 to move rightwards through a first clamping groove 405, the top rod 406 moves rightwards in a sliding groove 408 through a sliding block 407, the push rod 406 moves rightwards in the shell 1, the through hole 9 is opened, heat is dissipated, when the capacitor 8 returns to a normal state, the paraffin 402 contracts, the first spring 502 contracts to enable the second push rod 503 to move leftwards, the second push rod 503 enables the push rod 406 to reset through the second fixture block 504 and the second clamping groove 505, the through hole 9 is sealed through the push rod 406, and at the moment, the device is installed and sealed.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 film capacitor comprising a housing (1), characterized in that: a first shell (2) and a second shell (3) are arranged below the shell (1), the upper parts of the first shell (2) and the second shell (3) are rotationally connected with the left side and the right side below the shell (1) through rotating shafts (7), a rubber pad (10) is fixedly connected with the right end below the first shell (2), the right end of the rubber pad (10) is tightly attached to the left end below the second shell (3), the right side inner wall below the first shell (2) and the left side inner wall below the second shell (3) are both penetrated through by the outer walls on the left side and the right side below the capacitor (8), the first shell (2) and the second shell (3) are both tightly attached to the capacitor (8), a sealing mechanism (6) is arranged at the bottom end on the left side of the second shell (3), a through hole (9) is formed in the left side of the top end of the shell (1), and an air release mechanism (4) is arranged on the inner wall on the left side of the shell (1), the right inner wall of the shell (1) is provided with a rebound mechanism (5).

2. A film capacitor according to claim 1, wherein: the deflation mechanism (4) comprises a first box body (401), paraffin (402), a first push rod (403), a first clamping block (404), a first clamping groove (405), a push rod (406), a sliding block (407), a sliding groove (408) and a bottom plate (409), wherein the outer wall of the left end of the first box body (401) is fixedly connected with the inner wall of the left end of the shell (1), the inner wall of the first box body (401) is attached to the outer wall of the paraffin (402), the middle outer wall of the right side of the paraffin (402) is attached to the left end of the first push rod (403), the outer wall of the left side of the first push rod (403) is attached to the inner wall of the right side of the first box body (401), the first clamping block (404) is fixedly connected to the right end of the first push rod (403), the outer wall of the lower part of the first clamping block (404) is fixedly connected to the inner wall of the middle wall of the first clamping groove (405), and the push rod (406), the middle top inner wall of shell (1) is run through to the top outer wall of ejector pin (406), ejector pin (406) and shell (1) clearance fit, the top bottom of ejector pin (406) is laminated mutually with the top centre of shell (1), the equal rigid coupling in below rear end of ejector pin (406) has slider (407), two slider (407) all with spout (408) slip joint, the top both sides front end at bottom plate (409) is seted up in spout (408), the top rigid coupling of bottom plate (409) is inner wall in the middle of the top of shell (1).

3. A film capacitor according to claim 2, wherein: the sliding block (407) and the sliding groove (408) form a sliding structure.

4. A film capacitor according to claim 1, wherein: rebound mechanism (5) include second box (501), first spring (502), second push rod (503), second fixture block (504) and second draw-in groove (505), the right-hand member outer wall rigid coupling of second box (501) is at the right-hand member inner wall of shell (1), the equal rigid coupling of right side inner wall of second box (501) has first spring (502), the equal rigid coupling of left end of first spring (502) has second push rod (503), the left end rigid coupling of second push rod (503) has second fixture block (504), the below outer wall of second fixture block (504) and the middle inner wall looks rigid coupling in top of second draw-in groove (505), the left end rigid coupling of second draw-in groove (505) is at the below right-hand member of ejector pin (406).

5. A film capacitor according to claim 1, wherein: sealing mechanism (6) are including inserted bar (601), round pin axle (602), diaphragm (603), button (604), second spring (605) and slot (606), the inner wall rotates with the left side front end of diaphragm (603) through round pin axle (602) in the middle of the right side of inserted bar (601) and links to each other, the top rigid coupling of diaphragm (603) is in the bottom left side of second casing (3), the right side bottom rigid coupling of inserted bar (601) has button (604), the right side top rigid coupling of inserted bar (601) has second spring (605), the top rigid coupling of second spring (605) is in the left side bottom of second casing (3), the left side outer wall of inserted bar (601) is pegged graft with the middle inner wall of slot (606) mutually, the top rigid coupling of slot (606) is in the right side bottom of first casing (2).

6. A film capacitor according to claim 5, wherein: the elastic coefficient of the second spring (605) is 1-100N \ CM.