CN204558958U - A kind of outdoor high-voltage ring main unit - Google Patents

Abstract

The utility model relates to technical field of electric equipment, it discloses a kind of outdoor high-voltage ring main unit, comprise cabinet and the cabinet door hinged with cabinet, the first dividing plate is provided with in described cabinet, second partition, described first dividing plate, second partition will be divided into four cabinet rooms in cabinet, described four cabinet rooms are respectively hyperbaric chamber, low-pressure chamber, cable vault and control room, guide duct is provided with in described first dividing plate, described cabinet upper end is provided with blower fan, on described first dividing plate respectively with described hyperbaric chamber, low-pressure chamber, the side that cable vault and control room communicate is distributed with shower nozzle, described shower nozzle communicates with described guide duct respectively, described guide duct is connected with described blower fan, the left side wall of described cabinet, right side wall is respectively equipped with louvre, described cabinet lower end is provided with entrance hole.The utility model structure is taken up an area little, simple and compact for structure, and operating maintenance is convenient, and shielding is high, and fail safe is high, and cost is low, long service life.

Description

An outdoor high-voltage ring network cabinet

technical field

The utility model relates to the technical field of electrical equipment, in particular to an outdoor high-voltage ring network cabinet.

Background technique

High-voltage ring network cabinets are widely used in distribution stations and box-type substations of power supply centers such as urban residential areas, high-rise buildings, and factories. They are cable branch boxes with switches in the ring network power supply system. connect. The high-voltage ring network cabinet is to improve the reliability of power supply, so that users can obtain power from two directions, and usually connect the power supply network into a ring. This power supply method is referred to as the ring network power supply. In industrial and mining enterprises, residential quarters, ports and high-rise buildings and other AC 10KV power distribution systems, due to the small load capacity, the high-voltage circuit is usually controlled by a load switch or a vacuum contactor, and is equipped with a high-voltage fuse for protection. The system is usually powered by a ring network, and the high-voltage switchgear used is generally called a ring network cabinet. In addition to supplying power to the power distribution station of the ring network cabinet, its high-voltage bus also passes through the current of the ring power supply network (that is, the current supplied to the adjacent power distribution station through the bus of the power distribution station), so the high-voltage bus of the ring network cabinet The cross-section should be selected according to the sum of the load current of the substation and the cross-current of the ring network, so as to ensure that the high-voltage bus in operation does not run under load.

Chinese patent 201420522954.4 discloses an outdoor high-voltage ring network cabinet, including a cabinet body and switches, cables and testing instruments inside the cabinet body. The upper end of the cabinet body is provided with a conical top cover, and the cabinet body is divided into four cabinet rooms. The four cabinet rooms are respectively a high-voltage room, a low-voltage room, a cable room and an instrument room. The cabinet body is a drawer-type design, and the high-voltage room, low-voltage room, cable room and instrument room are sealed in separate drawers ; The left side wall and the right side wall of the cabinet are respectively provided with cooling holes, the top of the cabinet is provided with an exhaust fan, and the bottom of the cabinet is provided with inlet holes. The utility model has the advantages of small footprint, simple and compact drawer structure, convenient operation and maintenance, high shielding performance, high safety, low cost and long service life. But this utility model is unsatisfactory in heat radiation, ventilation effect, needs further improvement.

Utility model content

The purpose of the utility model is to provide an outdoor high-voltage ring network cabinet, so as to overcome the defects of the prior art that the heat generated by the components of the ring network cabinet cannot be dissipated in time, and there are potential safety hazards.

In order to achieve the above object, the utility model adopts the following technical solutions:

An outdoor high-voltage ring network cabinet, including a cabinet body and a cabinet door hinged with the cabinet body, a first partition board and a second partition board are arranged in the cabinet body, and the first partition board and the second partition board connect the cabinet body Divided into four cabinet rooms, the four cabinet rooms are respectively a high-voltage room, a low-voltage room, a cable room and an instrument room, the first partition is provided with an air duct, the upper end of the cabinet is provided with a fan, and the Nozzles are distributed on the sides of the first partition that communicate with the high-voltage chamber, the low-voltage chamber, the cable chamber and the instrument room respectively, and the nozzles communicate with the air guide pipe respectively, and the air guide pipe is connected with the fan , the left side wall and the right side wall of the cabinet body are respectively provided with cooling holes, and the lower end of the cabinet body is provided with wire inlet holes.

Preferably, the upper end of the cabinet is provided with a conical rain cover, the conical rain cover is connected to the cabinet through a connecting rod, and the fan is located under the conical rain cover.

Preferably, a waterproof layer is provided on the outside of the conical rain cover.

Preferably, a sealing ring is provided at the wire inlet hole.

Preferably, the cabinet door and the cabinet body are connected in a loose-leaf manner, the cabinet door is provided with magnetic components, and the cabinet body is correspondingly provided with suction components.

The beneficial effects of the utility model:

When the utility model is in use, the air guide pipe guides the air into the cabinet, and the nozzle directly sprays the wind on the components installed in the high-voltage room, low-voltage room, cable room and instrument room, and then the wind is directly discharged from the cooling holes, which can be timely Dissipate the heat generated when the components work to prevent damage to the device; the utility model occupies a small area, has a simple and compact structure, is convenient for operation and maintenance, has high shielding performance, high safety, low cost and long service life.

Description of drawings

Fig. 1 is a schematic structural diagram of an outdoor high-voltage ring network cabinet of the present invention;

Fig. 2 is a side view of an outdoor high-voltage ring network cabinet of the present invention.

In the figure, 1-cabinet body, 2-high voltage room, 3-low voltage room, 4-cable room, 5-instrument room, 6-first partition, 7-second partition, 8-conical rain cover, 9-Cabinet door, 10-Waterproof layer, 11-Fan fan, 12-Air duct, 13-Inlet hole, 14-Magnetic part, 15-Suction part, 16-Connecting rod, 17-Heat dissipation hole, 18-Nozzle .

Detailed ways

The technical solution of the present utility model will be further specifically described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figure 1 and Figure 2, an outdoor high-voltage ring network cabinet includes a cabinet body 1 and a cabinet door 9 hinged with the cabinet body 1, and the cabinet body 1 is provided with a first partition 6 and a second partition 7, The first partition 6 and the second partition 7 divide the cabinet body 1 into four cabinet rooms. An air guide pipe 12 is provided, a fan 11 is provided at the upper end of the cabinet body 1, and sprinklers 18 are distributed on the side of the first partition 6 that communicates with the high-voltage chamber 2, the low-voltage chamber 3, the cable chamber 4 and the instrument chamber 5 respectively. The air guide pipes 12 are respectively connected with the fan 11. The left side wall and the right side wall of the cabinet body 1 are respectively provided with cooling holes 17, and the lower end of the cabinet body 1 is provided with an inlet hole 13.

The upper end of the cabinet body 1 is provided with a conical rain cover 8, and the conical rain cover 8 is connected with the cabinet body 1 by a connecting rod 16, and the blower fan 11 is located below the conical rain cover 8.

Conical rain cover 8 is provided with waterproof layer 10 outside.

A sealing ring is provided at the wire inlet hole 13 .

The cabinet door 9 and the cabinet body 1 are connected in a loose-leaf manner, the cabinet door 9 is provided with a magnetic component 14 , and the cabinet body 1 is correspondingly provided with a suction component 15 .

Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to preferred embodiments, those of ordinary skill in the art should understand that this utility model can be Any modification or equivalent replacement of the technical solution of the utility model without departing from the spirit and scope of the technical solution of the utility model shall be covered by the claims of the utility model.

Claims (5)

1. an outdoor high-voltage ring main unit, comprise cabinet and the cabinet door hinged with cabinet, it is characterized in that, the first dividing plate is provided with in described cabinet, second partition, described first dividing plate, second partition will be divided into four cabinet rooms in cabinet, described four cabinet rooms are respectively hyperbaric chamber, low-pressure chamber, cable vault and control room, guide duct is provided with in described first dividing plate, described cabinet upper end is provided with blower fan, on described first dividing plate respectively with described hyperbaric chamber, low-pressure chamber, the side that cable vault and control room communicate is distributed with shower nozzle, described shower nozzle communicates with described guide duct respectively, described guide duct is connected with described blower fan, the left side wall of described cabinet, right side wall is respectively equipped with louvre, described cabinet lower end is provided with entrance hole.

2. outdoor high-voltage ring main unit according to claim 1, is characterized in that, described cabinet upper end is provided with conical rain shield, and described conical rain shield is connected by connecting rod with described cabinet, and described blower fan is positioned at below described conical rain shield.

3. outdoor high-voltage ring main unit according to claim 2, is characterized in that, is provided with watertight composition outside described conical rain shield.

4. outdoor high-voltage ring main unit according to claim 1, is characterized in that, described entrance hole place is provided with sealing ring.

5. outdoor high-voltage ring main unit according to claim 1, is characterized in that, described cabinet door and described cabinet adopt loose-leaf system to be connected, and described cabinet door is provided with magnetic part, and on described cabinet, correspondence is provided with adhesive parts.