CN210403596U

CN210403596U - Phase-control vacuum contactor

Info

Publication number: CN210403596U
Application number: CN201921926005.1U
Authority: CN
Inventors: 顾亚飞
Original assignee: Wuxi Zhilian Electronic Co Ltd
Current assignee: Wuxi Zhilian Electronic Co Ltd
Priority date: 2019-11-11
Filing date: 2019-11-11
Publication date: 2020-04-24
Anticipated expiration: 2029-11-11

Abstract

The utility model belongs to the technical field of vacuum contactor, especially, a phase control vacuum contactor, to current vacuum contactor in the in-process of using, when the inner member goes wrong, be not convenient for dismantle the maintenance to the shell, the inside of contactor can produce more heat when working simultaneously, its radiating rate is slower, has influenced its problem of normal use, the following scheme is proposed now, and it includes first box and second box, first box and second box laminating mutually form the protection chamber, the top bottom of first box and second box all is fixedly connected with the connecting block, and the outside cover of two connecting blocks that are located the homonymy is equipped with same connecting piece; the shell of the contactor body is arranged into the first box body and the second box body, the first box body and the second box body are convenient to detach, maintenance of internal electrical elements is facilitated, and meanwhile heat dissipation performance of the heat dissipation contactor body is improved by the aid of the cooling fins and the cooling fan.

Description

Phase-control vacuum contactor

Technical Field

The utility model relates to a vacuum contactor technical field especially relates to a phase control vacuum contactor.

Background

Vacuum contactors utilize vacuum interrupters to extinguish arcs for frequent switching on and off of normal operating currents, typically for remotely switching on and off of medium and low voltage, frequently started and stopped 6kV, 380V (660V, 1140V) ac motors.

The existing vacuum contactor is used, when an internal component goes wrong, the shell is not convenient to disassemble and maintain, meanwhile, the inside of the contactor can generate more heat during working, the heat dissipation speed of the contactor is low, and the normal use of the contactor is influenced, so that a phase control vacuum contactor is provided for solving the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the in-process that vacuum contactor that exists among the prior art is using, when the internals goes wrong, be not convenient for dismantle the maintenance to the shell, the inside of contactor can produce more heat at the during operation simultaneously, and its radiating rate is slower, has influenced its normal use's shortcoming, and the phase control vacuum contactor who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a phase-control vacuum contactor, includes first box and second box, first box and the laminating formation protection chamber of second box mutually, the equal fixedly connected with connecting block in top bottom of first box and second box, the outside cover that is located two connecting blocks of homonymy is equipped with same connecting piece, the protection intracavity is provided with insulating frame, be provided with electrical component in the insulating frame, be provided with the collection dirt net of looks adaptation in the insulating frame, two fin that fixedly connected with symmetry set up are dismantled in the insulating frame, and fin and electrical component contact, a plurality of radiator fan of fixedly connected with on insulating frame's the bottom inner wall.

Preferably, the connecting piece includes first arc and second arc, the equal fixedly connected with arc gasket in one side that first arc and second arc are close to each other, threaded connection has two bolts that the symmetry set up on first arc and the second arc, threaded connection has two nuts that the symmetry set up on the bolt, and one side that two nuts are close to each other is laminated with one side that first arc and second arc were kept away from each other respectively mutually, through laminating first arc and second arc and two connecting blocks mutually, then recycle bolt and nut alright with fixed mutually with two connecting blocks, and then can make first box and second box convenient to detach maintain.

Preferably, the first box and the second box are fixedly connected with sealing gaskets on the sides close to each other, and the sealing performance of the joint of the first box and the second box can be improved by using the sealing gaskets.

Preferably, a temperature detector is arranged on one side of the first box body, and a detection head of the temperature detector extends to the sealed cavity.

Preferably, the bottom of the first box body and the bottom of the second box body are fixedly connected with mounting blocks, two threaded holes which are symmetrically arranged are formed in the mounting blocks, and the contact controller body can be mounted at any position by the aid of the mounting blocks.

Preferably, a plurality of heat dissipation holes are formed in the first box body and the second box body, and the heat dissipation holes can improve the air flowability in the box bodies.

Preferably, the insulating frame is provided with two symmetrically arranged fixing grooves, the top parts of the two heat dissipation fins extend into the two fixing grooves respectively and are fixedly connected with the fixing plate, both sides of the fixing plate are provided with clamping grooves, both side inner walls of the fixing grooves are provided with sliding grooves, one side inner wall of each sliding groove is fixedly connected with a return spring, one side of each return spring is fixedly connected with a sliding plate slidably connected with the sliding groove, one side of each sliding plate is fixedly connected with a clamping block, the two clamping blocks extend into the two clamping grooves respectively and are clamped with the clamping grooves, when the heat dissipation fins need to be dismounted for cleaning, the fixing plate is pulled upwards to move, the fixing plate can push the clamping blocks in the clamping grooves into the sliding grooves, the heat dissipation fins can be dismounted for cleaning dust from the insulating frame, and after cleaning is finished, it can also be remounted on the insulating frame.

The utility model discloses in, through laminating first arc and second arc and two connecting blocks mutually, then recycle bolt and nut alright with fixed mutually with two connecting blocks, and when needs pull down first box and second box, pull down bolt and nut alright with make first box and second box phase separation this moment, convenient operation is convenient for maintain the electrical component in first box and the second box.

The utility model discloses in, utilize sealed the pad can improve the leakproofness of first box and second box seam.

The utility model discloses in, when needs pull down the fin and clear up, pulling the fixed plate this moment upwards removes, the fixed plate then can be with the fixture block that is located the draw-in groove promote enter into the sliding tray, alright this moment with pull down the clearance dust with the fin from insulating frame, after the clearance finishes, can also install it on insulating frame again.

The utility model is simple in operation, this contactor body's shell sets up to first box and second box, and first box and second box are convenient to be dismantled, and then has made things convenient for the maintenance to inside electrical component, utilizes fin and radiator fan to improve the heat dispersion of radiating contactor body simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of a phase-control vacuum contactor according to the present invention;

fig. 2 is a schematic top view of the connecting member of fig. 1 of a phase-controlled vacuum contactor according to the present invention;

fig. 3 is a schematic cross-sectional view of a metal frame in fig. 1 of a phase-control vacuum contactor according to the present invention;

FIG. 4 is an enlarged schematic structural view of a portion A of FIG. 3 of a phase-control vacuum contactor according to the present invention

In the figure: the heat dissipation device comprises a first box body 1, a second box body 2, a sealing gasket 3, a connecting block 4, a connecting piece 5, a first arc-shaped plate 501, a second arc-shaped plate 502, a bolt 503, a nut 504, an arc-shaped gasket 505, a mounting block 6, an insulating frame 7, a heat dissipation fan 8, a dust collection net 9, a heat dissipation fin 10, a fixing groove 11, a fixing plate 12, a clamping groove 13, a return spring 14, a sliding plate 15, a clamping block 16 and a heat dissipation hole 17.

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.

Example one

Referring to fig. 1-4, a phase-control vacuum contactor comprises a first box body 1 and a second box body 2, wherein the first box body 1 and the second box body 2 are attached to each other to form a protection cavity, connecting blocks 4 are fixedly connected to the bottoms of the tops of the first box body 1 and the second box body 2, the same connecting piece 5 is sleeved on the outer sides of the two connecting blocks 4 positioned on the same side, an insulating frame 7 is arranged in the protection cavity, an electric element is arranged in the insulating frame 7, a dust collecting net 9 matched with the insulating frame 7 is arranged in the insulating frame 7, two symmetrically arranged radiating fins 10 are detachably and fixedly connected in the insulating frame 7, the radiating fins 10 are contacted with the electric element, and a plurality of radiating fans 8 are fixedly connected to the inner wall of; the utility model is simple in operation, this contactor body's shell sets up to first box 1 and second box 2, and first box 1 and second box 2 are convenient to be dismantled, and then has made things convenient for the maintenance to inside electrical component, utilizes fin 10 and radiator fan 8 to improve the heat dispersion of heat radiation contactor body simultaneously.

Example two

The improvement is further based on the first embodiment: the connecting piece 5 comprises a first arc-shaped plate 501 and a second arc-shaped plate 502, one sides, close to each other, of the first arc-shaped plate 501 and the second arc-shaped plate 502 are fixedly connected with arc-shaped gaskets 505, two symmetrically-arranged bolts 503 are in threaded connection with the first arc-shaped plate 501 and the second arc-shaped plate 502, two symmetrically-arranged nuts 504 are in threaded connection with the bolts 503, one sides, close to each other, of the two nuts 504 are respectively attached to one sides, far away from each other, of the first arc-shaped plate 501 and the second arc-shaped plate 502, the first arc-shaped plate 501 and the second arc-shaped plate 502 are attached to the two connecting blocks 4, then the two connecting blocks 4 can be fixed by utilizing the bolts 503 and the nuts 504, and further the first box body 1 and the second box body 2 can be conveniently detached; the sealing gaskets 3 are fixedly connected to the sides, close to each other, of the first box body 1 and the second box body 2, and the sealing performance of the joint of the first box body 1 and the second box body 2 can be improved by using the sealing gaskets 3; a temperature detector is arranged on one side of the first box body 1, and a detection head of the temperature detector extends to the sealed cavity; the bottoms of the first box body 1 and the second box body 2 are fixedly connected with mounting blocks 6, two threaded holes which are symmetrically arranged are formed in the mounting blocks 6, and the contact controller body can be mounted at any position by utilizing the mounting blocks 6; a plurality of heat dissipation holes 17 are formed in the first box body 1 and the second box body 2, and the heat dissipation holes 17 can improve the air fluidity in the box bodies; the insulating frame 7 is provided with two fixing grooves 11 which are symmetrically arranged, the top parts of the two radiating fins 10 respectively extend into the two fixing grooves 11 and are fixedly connected with a fixing plate 12, both sides of the fixing plate 12 are respectively provided with a clamping groove 13, both side inner walls of the fixing grooves 11 are respectively provided with a sliding groove, one side inner wall of the sliding groove is fixedly connected with a return spring 14, one side of the return spring 14 is fixedly connected with a sliding plate 15 which is slidably connected with the sliding groove, one side of the sliding plate 15 is fixedly connected with a clamping block 16, the two clamping blocks 16 respectively extend into the two clamping grooves 13 and are clamped with the clamping grooves 13, when the radiating fins 10 need to be dismounted for cleaning, the fixing plate 12 is pulled to move upwards, the fixing plate 12 can push the clamping block 16 positioned in the clamping grooves 13 into the sliding groove, and then the radiating fins 10 can be dismounted for cleaning dust from the insulating, after cleaning, it can be mounted on the insulating frame 7 again.

In the embodiment, when the multifunctional maintenance box is used, the structure of the multifunctional maintenance box is improved to a certain extent, and a corresponding functional adaptive component is added to the multifunctional maintenance box, so that the actual using effect of the multifunctional maintenance box is enhanced, and the multifunctional maintenance box is specifically characterized in that the first arc-shaped plate 501 and the second arc-shaped plate 502 are attached to the two connecting blocks 4, then the two connecting blocks 4 can be fixed by using the bolts 503 and the nuts 504, and when the first box 1 and the second box 2 need to be detached, the first box 1 and the second box 2 can be separated by detaching the bolts 503 and the nuts 504, so that the operation is convenient, and the maintenance of electric components in the first box 1 and the second box 2 is convenient; the heat radiation performance of the heat radiation contactor body is improved by using the heat radiation fins 10 and the heat radiation fan 8; when the heat dissipation sheet 10 needs to be detached for cleaning, the fixing plate 12 is pulled to move upwards, the fixing plate 12 can push the clamping block 16 located in the clamping groove 13 into the sliding groove, the heat dissipation sheet 10 can be detached from the insulating frame 7 for cleaning dust, and the heat dissipation sheet can be installed on the insulating frame 7 again after cleaning is finished.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A phase control vacuum contactor comprises a first box body (1) and a second box body (2), it is characterized in that the first box body (1) and the second box body (2) are jointed to form a protection cavity, the top and the bottom of the first box body (1) and the second box body (2) are both fixedly connected with connecting blocks (4), the outer sides of the two connecting blocks (4) positioned at the same side are sleeved with the same connecting piece (5), an insulating frame (7) is arranged in the protective cavity, an electric element is arranged in the insulating frame (7), a dust collecting net (9) which is matched with the insulating frame (7) is arranged in the insulating frame (7), two radiating fins (10) which are symmetrically arranged are fixedly connected in the insulating frame (7) in a detachable way, and the radiating fins (10) are contacted with the electric elements, and a plurality of radiating fans (8) are fixedly connected to the inner wall of the bottom of the insulating frame (7).

2. The phase-controlled vacuum contactor as claimed in claim 1, wherein the connecting member (5) comprises a first arc-shaped plate (501) and a second arc-shaped plate (502), wherein one sides of the first arc-shaped plate (501) and the second arc-shaped plate (502) close to each other are fixedly connected with arc-shaped gaskets (505), the first arc-shaped plate (501) and the second arc-shaped plate (502) are in threaded connection with two symmetrically arranged bolts (503), the bolts (503) are in threaded connection with two symmetrically arranged nuts (504), and one sides of the two nuts (504) close to each other are respectively attached to one sides of the first arc-shaped plate (501) and the second arc-shaped plate (502) far away from each other.

3. A phase-controlled vacuum contactor as claimed in claim 1, wherein a sealing gasket (3) is fixedly connected to each of the sides of the first casing (1) and the second casing (2) adjacent to each other.

4. A phase-controlled vacuum contactor as claimed in claim 1, characterized in that a temperature detector is provided at one side of said first housing (1), and a detection head of the temperature detector extends to the sealed chamber.

5. The phase-control vacuum contactor as claimed in claim 1, wherein the bottom of the first casing (1) and the bottom of the second casing (2) are both fixedly connected with a mounting block (6), and two threaded holes are symmetrically arranged on the mounting block (6).

6. The phase-controlled vacuum contactor as claimed in claim 1, wherein the first casing (1) and the second casing (2) are provided with a plurality of heat dissipation holes (17).

7. The phase-controlled vacuum contactor as claimed in claim 1, wherein the insulating frame (7) is provided with two symmetrically arranged fixing slots (11), the top portions of the two heat dissipation fins (10) extend into the two fixing slots (11) and are fixedly connected with the fixing plate (12), the two sides of the fixing plate (12) are provided with clamping slots (13), the two side inner walls of the fixing slots (11) are provided with sliding slots, one side inner wall of each sliding slot is fixedly connected with the return spring (14), one side of the return spring (14) is fixedly connected with the sliding plate (15) slidably connected with the sliding slot, one side of the sliding plate (15) is fixedly connected with the clamping block (16), and the two clamping blocks (16) extend into the two clamping slots (13) and are clamped with the clamping slots (13).