CN217956414U - Power station unit 10kV cubical switchboard of heat dissipation low noise - Google Patents

Abstract

The utility model discloses a 10kV switchgear with heat dissipation and low noise for a power station unit, relates to the technical field of switchgears, and comprises a cabinet, the front side of the cabinet is hinged with a cabinet cover, and the middle parts of the cabinet box and the cabinet cover are both arranged There is a noise reduction board, a temperature sensor is installed on the top of the cabinet, a controller is installed on the top of the front side of the cabinet cover, the power drive end of the motor is connected to a screw rod, and the external thread of the screw rod is connected to a wire drum , one side of the wire drum is connected with an air collection pipe, and a number of equidistant air holes are opened on one side of the air collection pipe. This structure not only has the effect of noise reduction, reduces noise pollution, but also realizes Rapid heat dissipation and cooling ensure the uniformity of heat dissipation, and when the temperature drops below the specified value, the motor can be automatically turned off to reduce power consumption.

Description

A 10kV switchgear for power station units with heat dissipation and low noise

technical field

The utility model relates to the technical field of switch cabinets, in particular to a 10kV switch cabinet for power station units with heat dissipation and low noise.

Background technique

At present, in the actual process of the 10kV switchgear used by the power station unit, its internal parts operate at the same time, which will not only cause the internal temperature of the cabinet to superimpose and heat up, causing damage to the components, but also generate large noise and increase noise pollution. Therefore, workers in the field proposed a 10kV switchgear for power station units with low heat dissipation and noise.

Utility model content

Aiming at the deficiencies of the existing technology, the utility model provides a 10kV switchgear for power station units with heat dissipation and low noise, which solves the problem of the current 10kV switchgear for power station units. The internal temperature of the body superimposes and heats up, causing damage to the components, and it will also generate large noise, increasing the problem of noise pollution.

In order to achieve the above purpose, the utility model is realized through the following technical solutions: a 10kV switchgear for heat dissipation and low noise power station unit, including a cabinet box, the front side of the cabinet box is hinged with a cabinet cover, the cabinet box and the cabinet cover The middle part of the cabinet is equipped with a noise reduction board, the top of the cabinet is equipped with a temperature sensor, and the top of the front side of the cabinet is equipped with a controller;

The cabinet cover includes a cover door and a fan. A motor is installed on the inner bottom of the cover door. The power drive end of the motor is connected to a screw mandrel. One side is connected with an air collecting pipe, and one side of the air collecting pipe is provided with several equidistant air holes, and the air outlet end of the fan is connected with an air outlet pipe, and the air outlet pipe connects with the air collecting pipe through a spring hose. The air duct forms a connected fixed connection structure.

As a further technical solution of the utility model, a frame plate is installed on the rear side of the cabinet, and several deflectors inclined downward are respectively arranged inside the frame plate from top to bottom. The back panel is a mesh steel guard.

As a further technical solution of the utility model, an air inlet pipe is connected to the air inlet end of the fan, and a display screen is arranged on the front side of the cover door.

As a further technical solution of the utility model, a casing is installed on the top of the front side of the cover door, the fan is located inside the casing, the top end of the screw rod extends to the top of the cover door, and the joint between the two Bearings are provided.

As a further technical solution of the utility model, symmetrical guide grooves are provided on both sides inside the cover door, and both ends of the air collecting pipe are slidably connected inside the guide grooves.

As a further technical solution of the present invention, the detection end of the temperature sensor extends to the inside of the cabinet, and the noise reduction board is made of epoxy resin composite material.

Beneficial effect

The utility model provides a 10kV switch cabinet of a power station unit with heat dissipation and low noise. Compared with the prior art, it has the following beneficial effects:

1. A 10kV switchgear for power station units with low heat dissipation and low noise. Noise-reducing boards are installed in the middle of the cabinet box and the cabinet cover, and the noise-reducing boards are made of epoxy resin composite materials, so when the internal components of the switchgear are running, It can play the effect of noise reduction and reduce noise pollution.

2. A 10kV switch cabinet for power station units with low heat dissipation and low noise. The air inlet pipe is connected to the external cold air tank. When in use, under the action of the temperature sensor, the temperature inside the cabinet can be monitored in real time. If the temperature is too high, the controller will The signal will be transmitted to the motor and the fan, and the motor will drive the screw to drive, thereby driving the air collecting pipe to rise and fall along the direction of the guide groove, so that the cold air will be evenly sprayed into the cabinet through the air holes to achieve rapid heat dissipation and cooling. Prevent damage to internal components, and when the temperature drops below a specified value, the motor is automatically turned off, thereby reducing power consumption.

3. A 10kV switchgear for power station units with low heat dissipation and low noise. By installing the cooling and lifting structures such as air collecting pipes, motors and screw rods on the inside of the cover door, when in use, even if there are partitions inside the cabinet, it will not It affects the heat dissipation of each chamber, and at the same time, it will not occupy the space area inside the cabinet to prevent the installation of components from being affected.

Description of drawings

Fig. 1 is a schematic structural diagram of a 10kV switchgear of a power station unit with heat dissipation and low noise from the first perspective;

Fig. 2 is a schematic structural diagram of a second viewing angle of a 10kV switchgear of a power station unit with heat dissipation and low noise;

Fig. 3 is a side sectional view of a 10kV switch cabinet of a power station unit with heat dissipation and low noise;

Fig. 4 is a first view structural diagram of a 10kV switchgear cover of a power station unit with heat dissipation and low noise;

Fig. 5 is a schematic structural diagram of a 10kV switch cabinet cover of a power station unit with heat dissipation and low noise from a second perspective.

In the figure: 1, cabinet box; 2, cabinet cover; 21, cover door; 22, motor; 23, screw mandrel; 24, wire drum; 25, air collecting pipe; 26, air hole; Air duct; 29, spring hose; 210, air inlet pipe; 211, display screen; 212, cover; 213, guide groove; 3, noise reduction plate; 4, temperature sensor; 5, controller; 7, frame plate ; 8, deflector.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 3, the utility model provides a technical scheme of a 10kV switchgear for a power station unit with heat dissipation and low noise: a 10kV switchgear for a power station unit with low heat dissipation and noise, including a cabinet box 1, the rear side of which is a net Hole steel protection net, the front side of the cabinet 1 is hinged with a cabinet cover 2, the middle part of the cabinet 1 and the cabinet cover 2 is equipped with a noise reduction plate 3, the top of the cabinet 1 is installed with a temperature sensor 4, the cabinet cover 2 A controller 5 is installed on the top of the front side, and a frame plate 7 is installed on the rear side of the cabinet box 1. Several downward-sloping deflectors 8 are arranged inside the frame plate 7 from top to bottom, thereby effectively reducing the The external dust enters the interior of the cabinet 1 through the mesh, the detection end of the temperature sensor 4 extends to the interior of the cabinet 1, the noise reduction board 3 is made of epoxy resin composite material, and the noise reduction board 3 in the middle of the rear side of the cabinet 1 There are through holes matching the mesh steel guard net.

Please refer to Figure 4-5, the cabinet cover 2 includes a cover door 21 and a fan 27, a motor 22 is installed on the inner bottom of the cover door 21, the power drive end of the motor 22 is connected with a screw rod 23, and the external thread of the screw rod 23 is connected with a wire Tube 24, one side of silk tube 24 is connected with air collecting pipe 25, and one side of collecting air pipe 25 is provided with several equidistant air holes 26, and the air outlet end of fan 27 is connected with air outlet pipe 28, and air outlet pipe 28 forms a fixed connection structure communicating with the air collecting pipe 25 through the spring hose 29, the air inlet end of the fan 27 is connected with the air inlet pipe 210, the front side of the cover door 21 is provided with a display screen 211, and the front side of the cover door 21 A casing 212 is installed on the top, and the fan 27 is located inside the casing 212. The top of the screw rod 23 extends to the top of the cover door 21, and bearings are arranged at the junction of the two. The two ends of the air collecting pipe 25 are slidably connected to the inside of the guide groove 213, and the opening direction of the air hole 26 faces the cabinet 1.

The working principle of the utility model: before use, the air inlet pipe 210 is connected with the external cold air tank. When in use, the electronic components inside the switch cabinet operate at the same time. Under the action of the noise reduction board 3, the noise pollution can be effectively reduced. At this time, the temperature sensor 4 can monitor the temperature inside the cabinet 1 in real time. If the temperature reaches above the specified value, under the action of the controller 5, the signal can be transmitted to the motor 22 and the fan 27 and started, and the motor 22 drives the screw rod 23 to carry out the process. Transmission, under the action of the silk tube 24, can drive the air collecting pipe 25 to move up and down along the direction of the guide groove 213, and the start of the fan 27 can suck out the cold air in the cold air tank and pass through the air outlet pipe 28 and the spring hose 29 into the air collecting pipe 25, and finally sprayed evenly into the cabinet 1 through the air holes 26, so as to achieve the effect of rapid heat dissipation and cooling inside the cabinet 1, and when the internal temperature of the cabinet 1 drops below the specified value, the motor 22 is automatically closed, thereby reducing power consumption. At this time, the heat flow generated inside will flow out of the cabinet box 1 through the mesh steel guard net on the rear side of the cabinet box 1, realizing a balanced exchange with the outside cold wind.

Claims (6)

1. A power station unit 10kV switchgear with heat dissipation and low noise, comprising a cabinet (1), characterized in that, the front side of the cabinet (1) is hinged with a cabinet cover (2), and the cabinet (1) The middle part of the cabinet cover (2) is provided with a noise reduction plate (3), the top of the cabinet (1) is equipped with a temperature sensor (4), and the top of the front side of the cabinet (2) is equipped with a controller (5); Described cabinet cover (2) comprises cover door (21) and blower fan (27), and the inside bottom of described cover door (21) is equipped with motor (22), and the power driving end of described motor (22) is connected with screw mandrel (23), the external screw thread of described screw mandrel (23) is connected with silk cylinder (24), and one side of described silk cylinder (24) is connected with air collecting pipe (25), and the air collecting pipe (25) One side is provided with several equidistant air holes (26), and the air outlet end of the fan (27) is connected with an air outlet pipe (28), and the air outlet pipe (28) is connected with the air outlet pipe (29) by a spring hose (29). The air collecting pipe (25) forms a connected fixed connection structure. 2. A 10kV switchgear for heat dissipation and low noise power station unit according to claim 1, characterized in that, a frame plate (7) is installed on the rear side of the cabinet (1), and the frame plate (7) The interior of the cabinet is provided with several downward-sloping deflectors (8) from top to bottom, and the rear side backboard of the cabinet box (1) is a mesh steel guard. 3. A 10kV switchgear with heat dissipation and low noise of power station unit according to claim 1, characterized in that, the air inlet end of the fan (27) is connected with an air inlet pipe (210), and the cover door (21 ) is provided with a display screen (211) on the front side. 4. A 10kV switchgear with heat dissipation and low noise for power station units according to claim 1, characterized in that, a cover (212) is installed on the top of the front side of the cover door (21), and the fan (27) Located inside the casing (212), the top end of the threaded rod (23) extends to the top of the cover door (21), and a bearing is arranged at the junction of the two. 5. A 10kV switchgear for power station units with heat dissipation and low noise according to claim 1, characterized in that, there are symmetrical guide grooves (213) on both sides of the cover door (21), and the set Both ends of the air pipe (25) are slidably connected to the inside of the guide groove (213). 6. A 10kV switchgear for heat dissipation and low noise power station unit according to claim 1, characterized in that the detection end of the temperature sensor (4) extends to the inside of the cabinet (1), and the noise reduction plate (3) It is an epoxy resin composite material.

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