CN215869041U

CN215869041U - Three-position switch of high-pressure gas-insulated metal-enclosed switchgear

Info

Publication number: CN215869041U
Application number: CN202120757583.8U
Authority: CN
Inventors: 李远超; 唐学雷
Original assignee: Qingdao Zhaori Electric Co ltd
Current assignee: Qingdao Zhaori Electric Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2022-02-18
Anticipated expiration: 2031-04-13

Abstract

The utility model discloses a high-pressure gas-insulated metal-enclosed switchgear three-station switch which comprises a fixed base, wherein the upper end of the fixed base is fixedly connected with a box body, the upper end of the box body is fixedly connected with a shell, a three-station assembly is arranged in the box body, the inner top of the box body is fixedly connected with two symmetrically arranged fixed plates, a heat dissipation mechanism for dissipating heat of the three-station assembly is arranged between the two fixed plates, a driving mechanism for driving the heat dissipation mechanism is arranged in the shell, and a cabinet door is hinged to the side wall of the box body through a hinge. The three-station heat dissipation device is reasonable in structure, the heat dissipation mechanism is arranged to dissipate heat of the three-station assembly in the box body, damage to the three-station assembly due to overhigh temperature is avoided, the driving mechanism is arranged to fully dissipate heat of the three-station assembly in the box body, and the heat dissipation effect is improved.

Description

Three-position switch of high-pressure gas-insulated metal-enclosed switchgear

Technical Field

The utility model relates to the technical field of three-position switches, in particular to a three-position switch of high-voltage gas-insulated metal-enclosed switchgear.

Background

The three-position switch is commonly used in a fully-closed combined electrical appliance or a composite electrical appliance, is not a single product, and is commonly used in an XGN ring main unit, wherein the three positions refer to three working positions: the three-position switch has the advantages that 1, the switch-on position of the main fracture of the isolating switch is switched on, 2, the isolating position of the main fracture is separated, 3, the grounding position of the grounding side is achieved, the functions of the isolating switch and the grounding switch are integrated actually, and the three-position switch is completed by one knife, so that mechanical locking can be achieved, the grounding knife is prevented from being electrified in a main loop, and the main loop can only be in one position due to the fact that one knife is different from the traditional isolating switch, the main knife is the main knife, the grounding knife is the grounding knife, and misoperation can occur between the two knives.

Among the prior art, three station switches in traditional high-pressure gas insulated metal enclosed switchgear often do not possess the heat dissipation function, and after long-time the use, the phenomenon that generates heat can appear in three station subassemblies, if do not carry out the heat dissipation to it, will cause the damage to three station subassemblies.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a high-pressure gas-insulated metal-enclosed switchgear three-station switch which is provided with a heat dissipation mechanism, so that heat dissipation of three-station components in a box body is realized, damage to the three-station components due to overhigh temperature is avoided, and the three-station components in the box body are sufficiently dissipated by arranging a driving mechanism, so that the heat dissipation effect is improved.

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

the utility model provides a three station switches of high-pressure gas insulated metal-enclosed switchgear, includes unable adjustment base, unable adjustment base's upper end fixedly connected with box, the upper end fixedly connected with casing of box, the inside of box is provided with three station subassemblies, the fixed plate that two symmetries of interior top fixedly connected with of box set up, two be provided with jointly between the fixed plate and be used for carrying out radiating heat dissipation mechanism to three station subassemblies, be provided with in the casing and be used for carrying out driven actuating mechanism to heat dissipation mechanism, it has the cabinet door to articulate through the hinge on the lateral wall of box.

Preferably, heat dissipation mechanism is including rotating the dwang of connection on two adjacent lateral walls of two fixed plates, two common fixedly connected with mount between the dwang, it is connected with the horizontal pole to rotate jointly on two inside walls of mount, be provided with second motor power in the mount, the horizontal pole runs through second motor power, second motor power's the terminal fixedly connected with fan of output shaft.

Compared with the prior art, the utility model has the beneficial effects that:

1. through setting up heat dissipation mechanism, the output shaft of drive second motor power rotates, drives the fan and rotates, realizes dispelling the heat to the three station subassemblies in the box, avoids causing the damage to three station subassemblies because of the high temperature.

2. Through setting up actuating mechanism, the output shaft of the first motor power of drive rotates, drives the actuating lever and rotates for the turning block rotates, thereby drives the lower extreme of second motor power and with circular orbit motion, realizes carrying out abundant heat dissipation to the three station subassemblies in the box, improves the radiating effect.

Drawings

Fig. 1 is a schematic structural diagram of a three-position switch of a high-voltage gas-insulated metal-enclosed switchgear according to the present invention;

fig. 2 is a front view of a three-position switch of a high-voltage gas-insulated metal-enclosed switchgear according to the present invention;

fig. 3 is a top view of a fixing frame of a three-position switch of a high-voltage gas-insulated metal-enclosed switchgear according to the present invention.

In the figure: the automatic dust removal device comprises a fixing base 1, a box body 2, heat dissipation holes 3, a filter screen 4, bolts 5, a shell 6, a first power motor 7, a driving rod 8, a fixing plate 9, a rotating block 10, a fixing frame 11, a rotating rod 12, a cross rod 13, a fan 14, a second power motor 15, a dust cover 16, a socket 17, a cabinet door 18 and a three-station assembly 19.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Referring to fig. 1-3, a high-pressure gas-insulated metal-enclosed switchgear three-position switch comprises a fixed base 1, a box 2 is fixedly connected to the upper end of the fixed base 1, heat dissipation holes 3 are formed in the side walls of both ends of the box 2, filter screens 4 are arranged at the positions of the side walls of both ends of the box 2 corresponding to the two heat dissipation holes 3, the two filter screens 4 are fixed to the side walls of the box 2 through a plurality of bolts 5, a housing 6 is fixedly connected to the upper end of the box 2, a three-position assembly 19 is arranged inside the box 2, two symmetrically arranged fixed plates 9 are fixedly connected to the inner top of the box 2, a heat dissipation mechanism for dissipating heat of the three-position assembly 19 is commonly arranged between the two fixed plates 9, a driving mechanism for driving the heat dissipation mechanism is arranged inside the housing 6, a cabinet door 18 is hinged to the side wall of the box 2 through a hinge, a handle is arranged on the side wall of the cabinet door 18, the cabinet door 18 is provided with a socket 17, and a dust cover 16 matched with the socket 17 is arranged above the socket 17.

The heat dissipation mechanism comprises rotating rods 12 which are rotatably connected to two adjacent side walls of the two fixing plates 9, a fixing frame 11 is fixedly connected between the two rotating rods 12, a cross rod 13 is rotatably connected to two inner side walls of the fixing frame 11, a second power motor 15 is arranged in the fixing frame 11, the cross rod 13 penetrates through the second power motor 15, and a fan 14 is fixedly connected to the tail end of an output shaft of the second power motor 15.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a three station switches of high-pressure gas insulated metal-enclosed switchgear, includes unable adjustment base (1), its characterized in that, the upper end fixedly connected with box (2) of unable adjustment base (1), upper end fixedly connected with casing (6) of box (2), the inside of box (2) is provided with three station subassemblies (19), fixed plate (9) that two symmetries of interior top fixedly connected with of box (2) set up, two be provided with jointly between fixed plate (9) and be used for carrying out radiating heat dissipation mechanism to three station subassemblies (19), be provided with in casing (6) and be used for carrying out driven actuating mechanism to heat dissipation mechanism, it has cabinet door (18) to articulate through the hinge on the lateral wall of box (2).

2. The three-position switch of the high-pressure gas-insulated metal-enclosed switchgear according to claim 1, wherein the heat dissipation mechanism comprises two rotating rods (12) rotatably connected to two adjacent side walls of two fixing plates (9), two fixing frames (11) are fixedly connected between the two rotating rods (12), two inner side walls of the fixing frames (11) are rotatably connected with cross rods (13) together, a second power motor (15) is arranged in each fixing frame (11), each cross rod (13) penetrates through the corresponding second power motor (15), and a fan (14) is fixedly connected to the tail end of an output shaft of each second power motor (15).