CN203166351U - Relay protection chamber entire-row cubicle ventilating device - Google Patents

Abstract

The utility model relates to a ventilation device for a whole row of screen cabinets in a relay protection room, which is arranged on the whole row of screen cabinets in a relay protection room to realize circulation and ventilation inside and outside. In the screen cabinet body formed by connecting, the outer parts of the two outermost screen cabinet monomers have mouths and cover detachable side screens, and the sides of the other screen cabinet monomers are connected. The ventilation device for the whole row of screen cabinets in the relay protection room is set on the side screen, which includes the lower air inlet installed on the lower part of one side screen and the upper air outlet installed on the upper part of the other side screen, the lower air inlet and The upper air vents are respectively connected to the inner and outer sides of the entire row of screen cabinets. The ventilation device of the utility model is arranged on the detachable side screens outside the two outermost screen cabinets of the whole row of screen cabinets in the relay protection room, and the installation and maintenance are simple and easy; The ventilation and heat dissipation requirements inside the screen cabinet can effectively improve the operating environment of the equipment system in the screen cabinet in the relay protection room.

Description

Ventilation device for the entire row of screen cabinets in the relay protection room

technical field

The utility model relates to a device used for a whole row of screen cabinets in a relay protection room to realize ventilation inside and outside.

Background technique

The entire row of screen cabinets in the existing relay protection room is usually composed of several screen cabinets connected to each other. The left and right outermost sides are equipped with side screens, and the rest are connected internally. For example, a whole row of screen cabinets in 110kV and below substations generally requires about 8 single screen cabinets, while a whole row of screen cabinets in 220kV and above substations may consist of more screen cabinets. Most of them do not have a ventilation design, not only the internal equipment cannot dissipate heat, but also the temperature may be out of control, resulting in a decrease in the service life and effective control of key components. Even if occasionally some high-power equipment adopts the upper exhaust design of a single screen cabinet, the fan base is directly installed on the inside of the top plate of a single screen cabinet, which can only realize the ventilation of a single screen cabinet, and other It is extremely inconvenient to maintain, it is not economical and it is easy to cause dust accumulation in the internal devices, and it is difficult to transform after it is put into operation.

Contents of the invention

The purpose of the utility model is to provide a device which is easy to install and maintain, and can realize good ventilation inside and outside the screen cabinets of the entire row of relay protection rooms.

For achieving the above object, the technical scheme that the utility model adopts is:

A ventilation device for the entire row of screen cabinets in the relay protection room, which is installed on the entire row of screen cabinets in the relay protection room to realize the circulation ventilation between the inside and the outside of the relay protection room. The entire row of screen cabinets in the relay protection room includes multiple The screen cabinet monomers are connected in sequence to form the screen cabinet body. The sides of the two outermost screen cabinet monomers have mouths and are covered with detachable side screens. The sides of the other screen cabinet monomers are The connections are all connected, and the ventilation device for the whole row of screen cabinets in the relay protection room is set on the side screens on the outer parts of the two outermost screen cabinet monomers, which include the The lower air inlet on the lower part of the side screen and the upper air outlet on the upper part of the side screen on the other side, the lower air inlet and the upper air outlet are respectively connected to the relay The inner and outer sides of the entire row of screen cabinets in the protection room.

Preferably, the lower air inlet is provided with an air inlet filter protection net completely covering it.

Preferably, an air intake fan is provided at the lower air inlet.

Preferably, the air intake fan is installed in an air intake fan box, and the air intake fan box is installed on a side of the side screen close to the inside of the screen cabinet body.

Preferably, the upper air outlet is provided with an exhaust filter protection net covering it completely.

Preferably, an exhaust fan is provided at the upper air outlet.

Preferably, the exhaust fan is installed in an exhaust fan box, and the exhaust fan box is installed on a side of the side screen close to the inside of the screen cabinet body.

The ventilation device of the utility model can use the downward air intake of one side screen and the upper exhaust air of the other side screen, and can also turn on the air intake fan and exhaust fan when necessary, so that the heat generated by the self-heating source in the screen cabinet The air flow forms a natural circulation, and discharges the hot air in the screen cabinet to realize the ventilation function.

Due to the application of the above technical solutions, the utility model has the following advantages compared with the prior art: 1. The ventilation device of the utility model is arranged on the detachable side screens of the whole row of screen cabinets in the relay protection room, and the installation and maintenance are simple and easy 2. The ventilation device of the utility model can well solve the ventilation and heat dissipation requirements inside the entire row of screen cabinets, and can effectively improve the operating environment of the equipment system in the entire row of screen cabinets in the relay protection room.

Description of drawings

Accompanying drawing 1 is the schematic diagram of the ventilation device of the entire row of screen cabinets in the relay protection room of the present invention.

In the above drawings: 1. Screen cabinet body; 2. Side screen; 3. Lower air inlet; 4. Upper air outlet; 5. Air inlet filter protection net; 6. Air inlet fan; 7. Air inlet fan box; 8. Exhaust air filter protection net; 9. Exhaust fan; 10. Exhaust fan box.

Detailed ways

The utility model will be further described below in conjunction with the embodiment shown in the accompanying drawings.

Embodiment 1: Refer to the accompanying drawing 1. The entire row of screen cabinets in the relay protection room includes a screen cabinet body 1 composed of a plurality of screen cabinet monomers 11 connected in sequence. The sides of the outermost two screen cabinet monomers 11 have mouths and are covered with detachable edges. The screen 2 and the joints on the sides of the other screen cabinet monomers 11 are all connected.

The utility model relates to a ventilation device for a whole row of screen cabinets in a relay protection room, which is arranged on the whole row of screen cabinets in a relay protection room to realize circulation and ventilation between the inside and the outside. The ventilation device for the entire row of screen cabinets in the relay protection room is arranged on the side screens 2 on the sides of the two outermost screen cabinet monomers 11, which includes a lower air inlet 3 and a setting at the bottom of one side screen 2. The upper air outlet 4 on the top of the other side screen 2, the lower air inlet 3 and the upper air outlet 4 are respectively connected to the inner and outer sides of the entire row of screen cabinets in the relay protection room.

The 3 places of the lower air inlet are provided with an air inlet filter protection net 5 that completely covers it, and the 3 places of the lower air inlet are provided with an air inlet fan 6, and the air inlet fan 6 is installed in the air inlet fan box 7, and the air inlet fan box 7 is installed On the side of the side screen 2 close to the inside of the screen cabinet body 1 .

4 places on the upper air outlet are provided with an exhaust air filter protective screen 8 that completely covers it, and 4 places on the upper air outlet are provided with an exhaust fan 9, and the exhaust fan 9 is installed in the exhaust fan box 10, and the exhaust fan box 10 is installed on the side of the side screen 2 close to the inside of the screen cabinet body 1 .

The ventilation device can be designed according to the level of protection and filtration of the environment in which it is used. When it is in use, it can use the heat source of the internal device to generate hot air flow, and effectively discharge the hot air into the entire row of screen cabinets to form a natural wind circulation system. When necessary, the air intake fan 6 or the exhaust fan 9 can be turned on to strengthen the circulation effect, so as to form a forced wind circulation inside the whole row of control panel cabinets. Its installation and disassembly are convenient and fast, and its appearance is beautiful and generous.

The above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present utility model, and its purpose is to enable those familiar with this technology to understand the content of the present utility model and implement it accordingly, and not to limit the protection scope of the present utility model. All equivalent changes or modifications made according to the spirit of the utility model shall fall within the protection scope of the utility model.

Claims (7)

1. the whole row in relaying protection chamber is shielded the cabinet ventilation unit; be arranged at the whole row's screen in relaying protection chamber cashier's office in a shop to realize the circulating ventilation between its inside and the outside; described relaying protection chamber whole row's screen cabinet comprises the screen cabinet body that is linked to each other and constitute successively by a plurality of screen cabinet monomers; the sidepiece of outermost two described screen cabinet monomers has oral area and is coated with dismountable limit screen; the junction of the side of all the other described screen cabinet monomers all is communicated with; it is characterized in that: described relaying protection chamber whole row's screen cabinet ventilation unit is arranged on the described limit screen of outside portion of outermost two described screen cabinet monomers; the last exhaust outlet that it comprises the following air inlet of the bottom that is arranged at the described limit of side screen and is arranged at the top of the described limit of opposite side screen, described air inlet down and described upward exhaust outlet are communicated with the inside and outside both sides of described relaying protection chamber whole row's screen cabinet respectively.

2. the relaying protection whole row in chamber according to claim 1 is shielded the cabinet ventilation unit, and it is characterized in that: described air inlet place down is provided with the air intake filter protection net that it is covered fully.

3. the relaying protection whole row in chamber according to claim 1 and 2 is shielded the cabinet ventilation unit, and it is characterized in that: described air inlet place down is provided with the air intake fan.

4. the relaying protection whole row in chamber according to claim 3 is shielded the cabinet ventilation unit, and it is characterized in that: described air intake fan is installed in the air intake fan box, and described air intake fan box is installed on a side of the inside of the close described screen cabinet body that shields on described limit.

5. the relaying protection whole row in chamber according to claim 1 is shielded the cabinet ventilation unit, and it is characterized in that: the described exhaust outlet place of going up is provided with the air draft filter protection net that it is covered fully.

6. the whole row in relaying protection chamber is shielded the cabinet ventilation unit according to claim 1 or 5, it is characterized in that: the described exhaust outlet place of going up is provided with air ejector fan.

7. the relaying protection whole row in chamber according to claim 6 is shielded the cabinet ventilation unit, and it is characterized in that: described air ejector fan is installed in the air ejector fan box, and described air ejector fan box is installed on a side of the inside of the close described screen cabinet body that shields on described limit.

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