CN204558959U - A kind of ring main unit - Google Patents

Abstract

The utility model relates to the technical field of electrical equipment, and discloses a ring network cabinet, comprising a first cabinet body, a second cabinet body arranged in the first cabinet body, and a cabinet door hinged with the first cabinet body, The first cabinet is spaced apart from the side wall, top surface and bottom surface of the second cabinet, and several partitions are arranged in the second cabinet, and the left side wall and the right side wall of the second cabinet Air guide pipes are respectively provided, and a fan is provided on the top of the first cabinet body. One end of the air guide pipe is connected to the fan, and the other end of the air guide pipe is sealed. Spray nozzles are respectively arranged on the side walls, and the nozzles communicate with the air duct, the bottom end of the first cabinet body is provided with inlet holes, and the rear side walls of the first cabinet body and the second cabinet body are respectively provided with There are cooling holes. The utility model has the advantages of small occupied area, simple and compact structure, convenient operation and maintenance, high shielding performance, high safety, low cost and long service life.

Description

A ring network cabinet

technical field

The utility model relates to the technical field of electrical equipment, in particular to a 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 a ring network cabinet 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:

A ring network cabinet, comprising a first cabinet body, a second cabinet body arranged in the first cabinet body and a cabinet door hinged with the first cabinet body, the first cabinet body and the second cabinet body side The wall, the top surface and the bottom surface are all set at intervals, the second cabinet is provided with several partitions, the left side wall and the right side wall of the second cabinet are respectively provided with air ducts, and the first cabinet A fan is provided on the top of the body, one end of the air guide pipe is connected to the fan, the other end of the air guide pipe is sealed, and sprinklers are respectively arranged on the left side wall and the right side wall of the second cabinet, and the nozzles are connected to the The air ducts are connected, the bottom of the first cabinet is provided with a wire inlet hole, and the rear side walls of the first cabinet and the second cabinet are respectively provided with cooling holes.

Preferably, the upper end of the first cabinet body is provided with a herringbone rain cover, and the herringbone rain cover is connected to the first cabinet body through a connecting rod.

Preferably, the outer layer of the herringbone rain cover is provided with a solar panel, and the solar panel supplies power to the fan.

Preferably, a storage battery is provided inside the herringbone rain cover, the solar panel is connected to the storage battery, and the storage battery is connected to the fan.

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

Preferably, an insulating rubber layer is provided on the inner wall of the first cabinet.

Preferably, a sealing ring is provided at the wire inlet, and a bracket is provided at the bottom of the second cabinet.

The beneficial effects of the utility model:

When the utility model is used, the air guide pipe guides the air into the cabinet, and the nozzle sprays the wind directly on the components installed on the partition, and then the wind is directly discharged from the heat dissipation holes, so that the heat generated by the components can be promptly released. Dissipate 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 structural schematic diagram of a ring network cabinet of the present utility model;

Fig. 2 is a rear view of a ring main unit of the present invention.

In the figure, 101-first cabinet body, 102-insulating rubber layer, 103-inlet hole, 104-cabinet door, 105-fan, 106-connecting rod, 107-suction parts, 108-magnetic parts, 109-radiation Hole, 201-the second cabinet, 202-air duct, 203-sprinkler, 204-support, 205-partition, 301-herringbone rain cover, 302-battery, 303-solar panel.

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 FIG. 1 and FIG. 2, a ring network cabinet includes a first cabinet body 101, a second cabinet body 201 disposed in the first cabinet body 101, and a cabinet door 104 hinged to the first cabinet body 101. One cabinet body 101 and the second cabinet body 201 side walls, top surfaces and bottom surfaces are all spaced apart from each other, and the second cabinet body 201 is provided with several partitions 205, and the left side wall and the right side wall of the second cabinet body 201 are respectively An air guide pipe 202 is provided, and a fan 105 is arranged on the top of the first cabinet body 101. One end of the air guide pipe 202 is connected to the fan 105, and the other end of the air guide pipe 202 is sealed. A nozzle 203 is provided, and the nozzle 203 communicates with the air duct 202. The bottom of the first cabinet body 101 is provided with an inlet hole 103, and the rear side walls of the first cabinet body 101 and the second cabinet body 201 are respectively provided with cooling holes 109.

The upper end of the first cabinet body 101 is provided with a herringbone rain cover 301 , and the herringbone rain cover 301 is connected to the first cabinet body 101 through a connecting rod 106 .

The outer layer of the herringbone rain cover 301 is provided with a solar panel 303 , and the solar panel 303 supplies power for the fan 105 .

The herringbone rain cover 301 is provided with a storage battery 302 , the solar panel 303 is connected to the storage battery 302 , and the storage battery 302 is connected to the fan 105 .

The cabinet door 104 is connected to the first cabinet body 101 in a loose-leaf manner, the cabinet door 104 is provided with a magnetic component 108 , and the first cabinet body 101 is correspondingly provided with a suction component 107 .

An insulating rubber layer 102 is provided on the inner wall of the first cabinet body 101 .

A sealing ring is provided at the cable inlet 103 , and a bracket 204 is provided at the bottom of the second cabinet body 201 .

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 (7)

1. a ring main unit, it is characterized in that, comprise the first cabinet, be arranged on the second cabinet in described first cabinet and the cabinet door hinged with described first cabinet, described first cabinet and the second cabinet sidewall, the all spaced apart setting in end face and bottom surface, several dividing plates are provided with in described second cabinet, described second cabinet left side wall, guide duct is respectively equipped with in right side wall, described first cabinet top is provided with blower fan, described guide duct one end is connected with described blower fan, described guide duct other end sealing, described second cabinet left side wall, right side wall is respectively equipped with shower nozzle, described shower nozzle communicates with described guide duct, described first cabinet bottom is provided with entrance hole, described first cabinet, second cabinet rear wall is respectively equipped with louvre.

2. ring main unit according to claim 1, is characterized in that, described first cabinet upper end is provided with herringbone rain shield, and described herringbone rain shield is connected by connecting rod with described first cabinet.

3. ring main unit according to claim 2, is characterized in that, described herringbone rain shield skin is provided with solar panels, and described solar panels are that described blower fan is powered.

4. ring main unit according to claim 3, is characterized in that, be provided with storage battery in described herringbone rain shield, described solar panels are connected with described storage battery, and described storage battery is connected with described blower fan.

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

6. ring main unit according to claim 1, is characterized in that, described first cabinet madial wall is provided with electro-insulating rubber layer.

7. ring main unit according to claim 1, is characterized in that, described entrance hole place is provided with sealing ring, and described second bottom of cabinet bulk is provided with support.