CN218471831U

CN218471831U - Vacuum contactor

Info

Publication number: CN218471831U
Application number: CN202222448203.XU
Authority: CN
Inventors: 唐健华; 杨庆议; 王荣
Original assignee: Xiamen Shangchen Electric Power Technology Co ltd
Current assignee: Xiamen Shangchen Electric Power Technology Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-02-10
Anticipated expiration: 2032-09-16

Abstract

The utility model discloses a vacuum contactor, include frame, modular mechanism, seal utmost point post and insulating support admittedly, the right side at frame top is provided with seals utmost point post admittedly, set up insulating support on sealing utmost point post admittedly, the inside of frame is provided with modular mechanism. The utility model discloses a frame, the modularization mechanism, gu seal the cooperation of utmost point post and insulating support, insulating support and three solid utmost point post that seals, connect into three-phase integrative device, and install on PMKD, PMKD is located overall structure's lower part, be applicable to and use at 12KV built-in cubical switchboard middle part space installation, gu seal utmost point post and insulating support and all adopt insulating module to assemble, components and parts are few, the stable performance, the reliability is high, vacuum contactor can be used to the frequent switching of condenser, can frequently operate many times, long mechanical life, occupation space is little, thereby reach the high effect of practicality, the problem that the practicality of current device is low is solved.

Description

Vacuum contactor

Technical Field

The utility model relates to a vacuum contact technical field specifically is vacuum contactor.

Background

The vacuum contactor utilizes a vacuum arc-extinguishing chamber to extinguish arc, is used for frequently switching on and switching off normal working current, is usually used for remotely switching on and switching off 3.6kV, 7.2kV and 12kV of medium and low voltage frequent start and stop, and comprises the vacuum arc-extinguishing chamber and an operating mechanism, wherein the vacuum arc-extinguishing chamber has two functions of reliably extinguishing arc when the working current is frequently switched off and the normal working current is passed through, but overload current and short-circuit current cannot be switched off, the operating mechanism consists of a holding coil with an iron core and an armature, the coil is electrified to attract the armature, and the contactor is closed; the coil loses the electricity, and the contactor disconnection, it has two kinds of forms to inhale the coil generally, and current vacuum contactor carries out when a plurality of electrical apparatus fuse, and its vacuum interrupter is mutual interference easily, reduces the practicality.

Disclosure of Invention

An object of the utility model is to provide a vacuum contactor possesses the high advantage of practicality, has solved the low problem of current device practicality.

In order to achieve the above object, the utility model provides a following technical scheme: vacuum contactor, including frame, modularization mechanism, solid utmost point post and insulating support of sealing, the right side at frame top is provided with insulating support, the left side at frame top is provided with modularization mechanism, the left bottom of insulating support is provided with solid utmost point post of sealing.

Preferably, the solid-sealed polar pole comprises a vacuum arc extinguish chamber and an epoxy resin shell, the vacuum arc extinguish chamber is arranged in the epoxy resin shell, and an upper outgoing line and a lower outgoing line are led out of the vacuum arc extinguish chamber.

Preferably, the modular mechanism is composed of a fixed bottom plate, a coil, an iron core, an auxiliary contact, a relay and a switching-on/off switch.

Preferably, the solid-sealed polar pole and the insulating support are assembled by adopting an insulating module, and a rear cover of the insulating support is made of insulating materials.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a frame, the modularization mechanism, gu seal the cooperation of utmost point post and insulating support, insulating support and three solid utmost point post that seals, connect into three-phase integrative device, and install on the frame, the frame is located overall structure's lower part, be applicable to and use at 10KV mid-set cubical switchboard middle part space installation, gu seal utmost point post and insulating support and all adopt insulating module to assemble, the problem of mutual insulation between three fuse and the three vacuum interrupter has been solved, components and parts are few, the stable performance, the reliability is high, vacuum contactor can be used to the frequent switching of condenser, can frequently operate many times, long mechanical life, occupation space is little, thereby reach the high effect of practicality, the problem that the current device practicality is low is solved.

2. The utility model discloses a design modularization mechanism through its internal relay and auxiliary contact's switching, realizes coil circular telegram and outage, and when the coil circular telegram, through the electromagnetism principle, let the iron core produce magnetism, iron core magnetism actuation after that lets the linkage board action, sets up in the epoxy shell through design vacuum interrupter, and the during operation reduces vacuum interrupter and external environment's contact, makes its compact structure.

Drawings

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

FIG. 2 is a left side view of the structure of the present invention;

fig. 3 is a bottom view of the structure of the present invention.

In the figure: 1. a frame; 2. a modular mechanism; 3. solid sealing the pole; 4. and an insulating support.

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. 1-3, a vacuum contactor comprises a frame 1, a modularized mechanism 2, a solid-sealed polar pole 3 and an insulating support 4, wherein the insulating support 4 is arranged on the right side of the top of the frame 1, the modularized mechanism 2 is arranged on the left side of the top of the frame 1, the coil is powered on and powered off by switching an internal relay and an auxiliary contact through designing the modularized mechanism 2, when the coil is powered on, an iron core generates magnetism through an electromagnetic principle, then the iron core is attracted magnetically, a linkage plate acts, a vacuum arc-extinguishing chamber is arranged in an epoxy resin shell through designing, the contact between the vacuum arc-extinguishing chamber and the external environment is reduced during working, the structure of the vacuum contactor is compact, the modularized mechanism 2 comprises a fixed bottom plate, a coil, an iron core, an auxiliary contact, a relay and a switching gate, the solid-sealed polar pole 3 is arranged at the bottom of the left side of the insulating support 4, and the solid-sealed polar pole 3 and the insulating support 4 are assembled by adopting an insulating module, the rear cover of the insulating support 4 is made of insulating materials, the solid-sealed polar columns 3 comprise vacuum arc-extinguishing chambers and epoxy resin shells, the vacuum arc-extinguishing chambers are arranged in the epoxy resin shells, upper outgoing lines and lower outgoing lines are led out of the vacuum arc-extinguishing chambers, the insulating support 4 and the three solid-sealed polar columns 3 are connected into a three-phase integrated device through the matching of the frame 1, the modularization mechanism 2, the solid-sealed polar columns 3 and the insulating support 4, the three solid-sealed polar columns are installed on the frame 1, the frame 1 is positioned at the lower part of the integrated structure and is suitable for being installed and used in the middle space of a 10KV centrally-mounted switch cabinet, the solid-sealed polar columns 3 and the insulating support 4 are all assembled by adopting insulating modules, the problem of mutual insulation between three fuses and the three vacuum arc-extinguishing chambers is solved, the components are few, the performance is stable, the reliability is high, the vacuum contactor can be used for frequent switching of capacitors and can be frequently operated for many times, long mechanical life, small occupied space, thereby achieving the effect of high practicability and solving the problem of low practicability of the prior device.

During the use, insulating support 4 and three solid utmost point post 3 that seals connect into three-phase integrative device to install on frame 1, frame 1 is located overall structure's lower part, be applicable to and use at the installation of 10KV central-positioned cubical switchboard middle part space, gu seal utmost point post 3 and insulating support 4 and all adopt insulating module to assemble, the problem of mutual insulation between three fuse and the three vacuum interrupter has been solved, components and parts are few, stable performance, the reliability is high, vacuum contactor can be used to the frequent switching of condenser, can frequently operate many times, long mechanical life, occupation space is little, thereby reach the high effect of practicality.

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. Vacuum contactor, including frame (1), modularization mechanism (2), gu seal utmost point post (3) and insulating support (4), its characterized in that: the frame is characterized in that a solid-sealed polar pole (3) is arranged at the top of the frame (1), a modularization mechanism (2) is arranged inside the frame (1), and an insulating support (4) is arranged on the left side of the top of the solid-sealed polar pole (3).

2. The vacuum contactor as claimed in claim 1, wherein: the solid-sealed polar pole (3) comprises a vacuum arc-extinguishing chamber and an epoxy resin shell, wherein the vacuum arc-extinguishing chamber is arranged in the epoxy resin shell, and an upper outgoing line and a lower outgoing line are led out from the vacuum arc-extinguishing chamber.

3. The vacuum contactor as claimed in claim 1, wherein: the modularization mechanism (2) is composed of a fixed bottom plate, a coil, an iron core, an auxiliary contact, a relay and a switching-on/off switch.

4. The vacuum contactor as claimed in claim 1, wherein: the solid-sealed polar pole (3) and the insulating support (4) are assembled by adopting insulating modules, and the whole appearance of the insulating support (4) is made of insulating materials.