CN214203367U - Energy-saving environment-friendly dry-type transformer - Google Patents

Abstract

The utility model discloses an energy-saving and environment-friendly dry-type transformer, which comprises a main box body, wherein a dry-type transformer body is arranged at the bottom in the main box body, ventilation holes are arranged at the two sides of the main box body, and a filter screen is fixed in the ventilation holes; a maintenance hole is formed in the top of the main box body, and a heat dissipation box body is fixed to the top of the main box body on the outer side of the maintenance hole; slide rails are fixed on the inner side of the side wall of each main box body, and a baffle is arranged in each slide rail in a sliding manner. When the temperature sensor is arranged, the heat dissipation fan is started to dissipate heat of the dry-type transformer body when the temperature of the transformer is too high, and meanwhile, the ventilation fan sends heat inside the main box body to the outside, so that the rapid cooling is realized, frequent opening is not needed, and the effects of energy conservation and environmental protection are realized; and a large amount of dust is blocked by the main box body and the baffle plate, so that a large amount of dust is prevented from being accumulated in the main box body, the service life of the dry-type transformer body is prolonged, and the maintenance frequency is reduced.

Description

Energy-saving environment-friendly dry-type transformer

The technical field is as follows:

the utility model relates to a power equipment field, concretely relates to energy-concerving and environment-protective dry-type transformer.

Background art:

the dry type transformer is a transformer with an iron core and a winding which are not immersed in insulating oil, the cooling mode comprises natural air cooling and forced air cooling, and the transformer can continuously run for a long time under the rated capacity during natural air cooling; when forced air cooling is carried out, the output capacity of the transformer can be improved by 50 percent. In order to ensure the safety of power consumption, prevent simultaneously that irrelevant personnel from contacting the transformer, need install the transformer in the cabinet is internal, utilize the ventilation hole of the cabinet body to dispel the heat to utilize the cabinet body to prevent sand and prevent the foreign matter. However, in the actual use process, the heat dissipation effect of the vent holes is poor, the temperature in the cabinet cannot be quickly adjusted in summer, and the service life of the dry-type transformer body is short under the action of long-term high temperature; in addition, in windy and sandy weather, a large amount of sand and dust still enters the cabinet body and is attached to the surface of a connecting piece of the cable and the dry-type transformer body, so that the phenomena of short circuit and the like are easily caused, and the problems of fire and the like are caused.

The utility model has the following contents:

an object of the utility model is to provide a realize temperature automatic control and can separate energy-concerving and environment-protective dry-type transformer of a large amount of sand and dust.

The utility model discloses by following technical scheme implement:

an energy-saving and environment-friendly dry-type transformer comprises a main box body, wherein a dry-type transformer body is arranged at the bottom in the main box body, ventilation holes are formed in two sides of the main box body, and filter screens are fixed in the ventilation holes; a maintenance hole is formed in the top of the main box body, and a heat dissipation box body is fixed to the top of the main box body outside the maintenance hole;

a sliding rail is fixed on the inner side of the side wall of each main box body, a baffle is arranged in each sliding rail in a sliding manner, an electric telescopic rod with a downward telescopic end is fixed at the top of each main box body near each sliding rail, and the telescopic end of each electric telescopic rod is fixed with the top of the baffle;

a heat radiation fan with an air outlet facing the dry type transformer body is fixed at the edge of the bottom of the dry type transformer body;

the top of the dry-type transformer body is provided with a temperature sensor, the top of the heat dissipation box body is provided with an anemoscope, the signal output ends of the temperature sensor and the anemoscope are respectively and electrically connected with the signal input end of a controller, and the signal output end of the controller is electrically connected with the signal input ends of the electric telescopic rod and the heat dissipation fan.

Preferably, a ventilation fan communicated with the interior of the heat main box body is installed on the bottom surface of the heat dissipation box body, a height increasing cylinder is fixed at the bottom of the heat dissipation box body, a heat dissipation hole is formed in the bottom of the heat dissipation box body, which is positioned outside the height increasing cylinder, and the height increasing cylinder is detachably fixed outside the maintenance hole;

and the signal input end of the ventilation fan is electrically connected with the signal output end of the controller.

The utility model has the advantages that: by arranging the temperature sensor, when the temperature of the transformer is too high, the heat dissipation fan is started to dissipate heat of the dry-type transformer body, and meanwhile, the ventilation fan sends heat inside the main box body to the outside, so that the rapid cooling is realized, frequent opening is not needed, and the effects of energy conservation and environmental protection are realized; and a large amount of dust is blocked by the main box body and the baffle plate, so that a large amount of dust is prevented from being accumulated in the main box body, the service life of the dry-type transformer body is prolonged, and the maintenance frequency is reduced.

Description of the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a view showing the usage state of the present invention;

fig. 3 is a schematic diagram of the control circuit of the present invention.

In the figure: the dry-type transformer comprises a main box body 1, a dry-type transformer body 2, a vent hole 3, a filter screen 4, a maintenance hole 5, a heat dissipation box body 6, a slide rail 7, a baffle 8, an electric telescopic rod 9, a heat dissipation fan 10, a temperature sensor 11, an anemoscope 12, a controller 13, a ventilation fan 14, a heightening cylinder 15 and heat dissipation holes 16.

The specific implementation mode is as follows:

as shown in fig. 1 to 3, an energy-saving and environment-friendly dry-type transformer comprises a main tank 1, a dry-type transformer 2 body is installed at the bottom inside the main tank 1, ventilation holes 3 are formed in both sides of the main tank 1, and a filter screen 4 is fixed inside the ventilation holes 3; a maintenance hole 5 is formed in the top of the main box body 1, and a heat dissipation box body 6 is fixed on the top of the main box body 1 outside the maintenance hole 5;

a slide rail 7 is fixed on the inner side of the side wall of each main box body 1, a baffle 8 is arranged in each slide rail 7 in a sliding manner, an electric telescopic rod 9 with a downward telescopic end is fixed at the top of each main box body 1 near each slide rail 7, and the telescopic end of each electric telescopic rod 9 is fixed with the top of the baffle 8;

a heat radiation fan 10 with an air outlet facing the body of the dry type transformer 2 is fixed at the edge of the bottom of the body of the dry type transformer 2;

a ventilation fan 14 communicated with the interior of the heat main box body 1 is arranged on the bottom surface of the heat dissipation box body 6, a heightening cylinder 15 is fixed at the bottom of the heat dissipation box body 6, a heat dissipation hole 16 is formed in the bottom of the heat dissipation box body 6 positioned outside the heightening cylinder 15, and the heightening cylinder 15 is detachably fixed outside the maintenance hole 5;

a temperature sensor 11 is installed at the top of the body of the dry-type transformer 2, an anemoscope 12 is installed at the top of the heat dissipation box body 6, signal output ends of the temperature sensor 11 and the anemoscope 12 are respectively and electrically connected with a signal input end of a controller 13, and a signal output end of the controller 13 is electrically connected with signal input ends of an electric telescopic rod 9, a heat dissipation fan 10 and a ventilation fan 14;

under normal conditions, the electric telescopic rod 9 is in a retraction state, the air vent 3 is not blocked by the baffle plate 8, ventilation is carried out by relying on the air vent 3, and foreign matters with larger volume are blocked by the filter screen 4, so that the damage of the transformer due to short circuit caused by the contact of the foreign matters with the transformer is avoided;

when the temperature sensor 11 detects that the temperature is higher than the maximum set value, a signal is sent back to the controller 13, the controller 13 controls the heat dissipation fan 10 and the ventilation fan 14 to start, the heat dissipation fan 10 sends the air entering the main box body 1 from the ventilation hole 3 to the surface of the dry-type transformer 2 body, the flowing air sends the heat generated by the dry-type transformer 2 body to the upper part, the ventilation fan 14 pumps the air generated in the main box body 1 into the heat dissipation box body 6, and then the hot air is discharged through the heat dissipation hole 16, so that the rapid heat dissipation in the dry-type transformer 2 body and the main box body 1 is realized; when the temperature sensor 11 detects that the temperature is lower than the minimum set value, the signal is sent back to the controller 13, and the controller 13 controls the cooling fan 10 and the ventilation fan 14 to stop;

when the anemoscope 12 detects that the wind speed reaches the maximum value and keeps for a period of time, the signal is sent back to the controller 13, the controller 13 controls the electric telescopic rod 9 to extend out, the baffle 8 is driven to slide downwards in the slide rail 7, the vent hole 3 is blocked, and a large amount of wind sand is prevented from directly entering the main box body 1; the main box body 1 is made of stainless steel, the heat conduction effect is good, after the vent holes 3 are blocked, wind can be used for radiating the box body, meanwhile, the whole main box body 1 is not sealed, air still enters, and the cooling fan 10 and the ventilation fan 14 are still made to play a role; after the anemoscope 12 detects that the wind speed reaches the maximum value and keeps for a period of time, the signal is sent back to the controller 13, and the controller 13 controls the electric telescopic rod 9 to retract so as to drive the baffle 8 to slide upwards.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (2)

1. An energy-saving environment-friendly dry-type transformer is characterized in that: the dry-type transformer comprises a main box body, wherein a dry-type transformer body is arranged at the bottom in the main box body, ventilation holes are formed in two sides of the main box body, and a filter screen is fixed in the ventilation holes; a maintenance hole is formed in the top of the main box body, and a heat dissipation box body is fixed to the top of the main box body outside the maintenance hole;

a sliding rail is fixed on the inner side of the side wall of each main box body, a baffle is arranged in each sliding rail in a sliding manner, an electric telescopic rod with a downward telescopic end is fixed at the top of each main box body near each sliding rail, and the telescopic end of each electric telescopic rod is fixed with the top of the baffle;

a heat radiation fan with an air outlet facing the dry type transformer body is fixed at the edge of the bottom of the dry type transformer body;

the top of the dry-type transformer body is provided with a temperature sensor, the top of the heat dissipation box body is provided with an anemoscope, the signal output ends of the temperature sensor and the anemoscope are respectively and electrically connected with the signal input end of a controller, and the signal output end of the controller is electrically connected with the signal input ends of the electric telescopic rod and the heat dissipation fan.

2. An energy-saving environment-friendly dry type transformer according to claim 1, characterized in that: a ventilation fan communicated with the interior of the main box body is installed on the bottom surface of the heat dissipation box body, a heightening cylinder is fixed at the bottom of the heat dissipation box body, a heat dissipation hole is formed in the bottom of the heat dissipation box body, which is positioned outside the heightening cylinder, and the heightening cylinder is detachably fixed outside the maintenance hole;

and the signal input end of the ventilation fan is electrically connected with the signal output end of the controller.

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