CN216289644U

CN216289644U - Armored movable alternating current metal-enclosed switchgear

Info

Publication number: CN216289644U
Application number: CN202122853719.8U
Authority: CN
Inventors: 张立明
Original assignee: Pengbian Electric Co ltd
Current assignee: Pengbian Electric Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-12
Anticipated expiration: 2031-11-22

Abstract

The utility model relates to the technical field of distribution equipment, in particular to armored movable alternating current metal-enclosed switchgear. The technical scheme comprises the following steps: the handcart room comprises a base, a shell and an instrument room, wherein the shell is installed at the top of the base, a hot galvanizing layer is arranged outside the shell, an electromagnetic shielding layer is installed inside the shell, a cable room is arranged at the bottom inside the shell, a handcart room is arranged inside the shell, a middle door is installed on the front side of the handcart room through a hinge, the instrument room is arranged at the top inside the shell, and a discharge monitor is installed on one side of the bottom inside the instrument room through a mounting frame. According to the utility model, the discharge monitor is arranged on one side of the bottom in the instrument room, the insulating part in the shell can be monitored on line by utilizing the electrifying operation of the discharge monitor, whether the insulating property in the shell meets the operation requirement or not is judged, and the alarm device can be started instantly when the condition that the partial discharge exceeds the standard is monitored, so that a maintainer is reminded to maintain, and the safety risk is reduced.

Description

Armored movable alternating current metal-enclosed switchgear

Technical Field

The utility model relates to the technical field of power distribution equipment, in particular to an armored movable alternating current metal closed switch device.

Background

The switch equipment is a general name of distribution equipment such as a high-voltage power distribution cabinet, a generator, a transformer, a power line, a circuit breaker, a low-voltage switch cabinet, a switchboard, a switch box and a control box in a power system, and the armored movable type alternating current metal closed switch equipment is suitable for a three-phase alternating current 50HZ and 12kV power system, is mainly applied to a power plant, a substation, an industrial and mining enterprise, railway transportation and high-rise building transformation and distribution and is used for receiving and distributing electric energy, and in order to optimize the use experience of the equipment, the armored movable type alternating current metal closed switch equipment is provided.

Through retrieval, patent publication No. CN208939445U discloses an armour armor withdrawable alternating current metal enclosed switchgear, including the equipment main part, bilateral symmetry and supply fork truck male slot have been seted up along its length direction in the bottom of equipment main part, the slot runs through the bottom of equipment main part perpendicularly.

The existing withdrawable alternating current metal-enclosed switchgear has the following defects:

1. the existing withdrawable alternating current metal-enclosed switchgear cannot safely monitor partial discharge of an insulating part inside a shell in the electrifying operation process, and when the partial discharge of the device exceeds the standard, a maintainer cannot easily find the partial discharge in time, and the continuous operation easily causes safety accidents, so that unnecessary economic loss is caused;

2. the anti-interference performance of the existing withdrawable alternating-current metal-enclosed switchgear is general, the switchgear is easily interfered by external electromagnetic signals when operating in a production time, and the generated electromagnetic radiation can influence the stable operation of the switchgear to cause the reduction of the working performance of the switchgear.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an armored movable type alternating current metal enclosed switchgear to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an armor moves open type and exchanges metal-enclosed switchgear, includes base, casing and instrument room, the casing is installed at the top of base, the outside of casing is equipped with hot galvanizing coat, and the internally mounted of casing has an electromagnetic shield layer, the inside bottom of casing is equipped with the cable chamber, the internally mounted of cable chamber has the shrouding, the inside of casing is equipped with the handcart room, well door is installed through the hinge in the front of handcart room, the inside top of casing is equipped with the instrument room, discharge monitor is installed through the mounting bracket to the inside bottom one side of instrument room, alarm device is installed through the mounting bracket to the inside top opposite side of instrument room, the overhead door is installed through the hinge in the front of instrument room.

When the device connects the electric operation in-process, but the insulating part in the on-line monitoring casing of the circular telegram operation of utilizing the monitor that discharges, judge whether insulating properties satisfies the operation requirement in the casing, can start alarm device in the twinkling of an eye when monitoring the condition that partial discharge exceeds the standard, maintain in order to remind the maintainer, reduce the safety risk, the security of device has been improved, when the long-time operation process of equipment, well utilize the good electromagnetic signal shielding performance of electromagnetic shielding layer, can shield the electromagnetic signal that outside electrical equipment circular telegram sent, prevent that external electromagnetic wave from causing the influence to the steady operation of device inner circuit, guarantee switchgear stability when operation.

Preferably, two sets of landing legs are installed to the bottom both sides of base, and the callus on the sole is installed to the bottom of landing leg. The device can be placed at a designated position stably by the aid of the matching of the supporting legs and the foot pads.

Preferably, a handle is installed on one side of the front surface of the middle door, and a nameplate is installed on one side of the upper side of the front surface of the middle door. Utilize the handle can be convenient for the staff to open well door to overhaul the maintenance to the inside electrical equipment of device, utilize the data plate can mark the operating parameter of device, so that the staff looks over.

Preferably, a control panel is installed on the front surface of the top door, and a display is arranged on one side of the front surface of the control panel. The cooperation of the control panel and the display can be used for facilitating the control of the operation of the device by the working personnel.

Preferably, the front of the cable chamber is provided with a bottom door through a hinge, and through holes are equidistantly arranged below the front of the bottom door. The opening and closing of the bottom door can be used for conveniently overhauling and maintaining the electrical equipment in the device, and the ventilation and heat dissipation of the device can be conveniently realized by using the through hole.

Preferably, a movable curtain plate is installed inside the handcart room, and a warning mark is installed on the front face of the movable curtain plate. After the staff moves the handcart from the working position to the isolation position, the movable curtain board can automatically isolate the static contact box, so that the handcart is prevented from being mistakenly electrified and isolated and is a common component of the existing equipment.

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

1. according to the utility model, the discharge monitor is arranged on one side of the bottom in the instrument room, the insulating part in the shell can be monitored on line by utilizing the electrifying operation of the discharge monitor, whether the insulating property in the shell meets the operation requirement or not is judged, and the alarm device can be started instantly when the condition that the partial discharge exceeds the standard is monitored, so that a maintainer is reminded to maintain, and the safety risk is reduced.

2. According to the utility model, the electromagnetic shielding layer is arranged in the shell, so that when the equipment runs for a long time, the electromagnetic signal shielding performance of the electromagnetic shielding layer is utilized, the electromagnetic signal emitted by electrifying external electrical equipment can be shielded, the influence of external electromagnetic waves on the stable running of the internal circuit of the device is prevented, and the running stability of the switch equipment is ensured.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a front expanded partial structure diagram of the present invention;

fig. 4 is a sectional partial structure diagram of the shell of the present invention.

In the figure: 1. a base; 101. a support leg; 2. a housing; 201. hot galvanizing the zinc layer; 202. an electromagnetic shielding layer; 3. a bottom door; 301. a through hole; 4. a middle door; 401. a handle; 402. a nameplate; 5. a top door; 501. a control panel; 502. a display; 6. a cable chamber; 601. closing the plate; 7. a handcart room; 701. a movable curtain plate; 8. an instrument room; 801. a discharge monitor; 802. and an alarm device.

Detailed Description

The technical solution of the present invention is further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1 to 4, the armored movable-type alternating current metal-enclosed switchgear provided by the utility model comprises a base 1, a casing 2 and an instrument room 8, wherein the casing 2 is installed at the top of the base 1, a hot-dip galvanized layer 201 is arranged outside the casing 2, an electromagnetic shielding layer 202 is installed inside the casing 2, a cable room 6 is arranged at the bottom inside the casing 2, a sealing plate 601 is installed inside the cable room 6, a handcart room 7 is arranged inside the casing 2, a middle door 4 is installed on the front surface of the handcart room 7 through a hinge, the instrument room 8 is arranged at the top inside the casing 2, a discharge monitor 801 is installed on one side of the bottom inside the instrument room 8 through a mounting frame, an alarm device 802 is installed on the other side of the top inside the instrument room 8 through a mounting frame, and a top door 5 is installed on the front surface of the instrument room 8 through a hinge.

The working principle of the armored movable type alternating current metal closed switch device based on the first embodiment is as follows: when the device is in an electric operation process, the insulation component in the shell 2 can be monitored on line by utilizing the power-on operation of the discharge monitor 801, whether the insulation performance in the shell 2 meets the operation requirement is judged, when the condition that partial discharge exceeds the standard is monitored, the alarm device 802 can be started instantly to remind maintenance personnel to maintain, the safety risk is reduced, and the safety of the device is improved, wherein the model of the discharge monitor 801 can adopt an EPP120S model, the alarm device 802 can adopt a KXB127 model, when the device is in a long-time operation process, the electromagnetic signal sent out by electrifying external electrical equipment can be shielded by utilizing the excellent electromagnetic signal shielding performance of the electromagnetic shielding layer 202, the influence of external electromagnetic waves on the stable operation of an internal circuit of the device is prevented, and the stability of the switch device in operation is ensured.

Example two

As shown in fig. 1 or fig. 3, compared to the first embodiment, the armored removable ac metal-enclosed switchgear according to the present invention further includes: two sets of landing legs 101 are installed to base 1's bottom both sides, and the callus on the sole is installed to the bottom of landing leg 101, handle 401 is installed to well door 4's positive one side, and data plate 402 is installed to well door 4's positive top one side, control panel 501 is installed to the front of overhead door 5, and control panel 501's positive one side is equipped with display 502, end door 3 is installed through the hinge in cable chamber 6's front, and end door 3's positive below equidistance is equipped with through-hole 301, handcart chamber 7's internally mounted has movable curtain 701, and movable curtain 701's front is installed and is warned the sign.

In this embodiment, the cooperation of landing leg 101 and callus on the sole can be convenient for place the device stable in the assigned position, utilize handle 401 can be convenient for the staff to open well door 4, so that overhaul the maintenance to the inside electrical equipment of device, utilize data plate 402 can mark the operational parameter of device, so that the staff looks over, the cooperation of utilizing control panel 501 and display 502 can be convenient for the staff to control the operation of device, utilize opening and shutting of bottom door 3 can be convenient for overhaul the inside electrical equipment of device and maintain, utilize through-hole 301 can be convenient for the device to ventilate and dispel the heat, the staff moves the handcart to the isolated position after from the operating position, movable curtain board 701 can separate the stationary contact box automatically, prevent to go into electrified isolation, common component for current equipment.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations of the above embodiments based on the technical solution of the present invention and the related teaching of the above embodiments.

Claims

1. The utility model provides an armor withdraws formula and exchanges metal-enclosed switchgear, includes base (1), casing (2) and instrument room (8), its characterized in that: casing (2) are installed at the top of base (1), the outside of casing (2) is equipped with hot galvanizing coating (201), and the internally mounted of casing (2) has electromagnetic shield layer (202), the inside bottom of casing (2) is equipped with cable chamber (6), the internally mounted of cable chamber (6) has shrouding (601), the inside of casing (2) is equipped with handcart room (7), well door (4) are installed through the hinge in the front of handcart room (7), the inside top of casing (2) is equipped with instrument room (8), discharge monitor (801) are installed through the mounting bracket to inside bottom one side of instrument room (8), alarm device (802) are installed through the mounting bracket to the inside top opposite side of instrument room (8), overhead door (5) are installed through the hinge in the front of instrument room (8).

2. The armored withdrawable alternating current metal enclosed switchgear according to claim 1, characterized in that: two sets of landing legs (101) are installed to the bottom both sides of base (1), and the callus on the sole is installed to the bottom of landing leg (101).

3. The armored withdrawable alternating current metal enclosed switchgear according to claim 1, characterized in that: handle (401) are installed to the front one side of well door (4), and just data plate (402) are installed to the front top one side of well door (4).

4. The armored withdrawable alternating current metal enclosed switchgear according to claim 1, characterized in that: the front surface of the top door (5) is provided with a control panel (501), and one side of the front surface of the control panel (501) is provided with a display (502).

5. The armored withdrawable alternating current metal enclosed switchgear according to claim 1, characterized in that: the front of cable chamber (6) is installed bottom door (3) through the hinge, and the front below equidistance of bottom door (3) is equipped with through-hole (301).

6. The armored withdrawable alternating current metal enclosed switchgear according to claim 1, characterized in that: the handcart room (7) is internally provided with a movable curtain plate (701), and the front surface of the movable curtain plate (701) is provided with a warning mark.