CN203491044U - Dry-type electric transformer - Google Patents

Abstract

The utility model discloses a dry-type power transformer, which comprises a transformer body and a dust removal device on the transformer body, the dust removal device includes a fan, a dust cover and a controller, and the dust cover is arranged on the fan At the rear, the controller is connected with a temperature control sensor, the dust cover is provided with a vibrator connected with the controller, and the upper part of the controller is connected with a solar panel. The utility model is improved on the traditional dry-type power transformer, and a device with temperature control function is set, which not only automatically removes dust but also has the function of monitoring the running state of the transformer. The temperature control sensor collects the temperature value, and then controls the action of the fan; the vibrator is used to remove the dust on the dust cover; the upper part of the controller is connected to a solar panel, which not only provides electric energy, but also covers the dust removal device to avoid sunlight rain, improve service life.

Description

A dry type power transformer

technical field

The utility model belongs to the technical field of transformer manufacturing, in particular to a dry-type power transformer. the

Background technique

As we all know, dry-type transformers rely on air convection for cooling, and are generally used for local lighting and electronic circuits. In the power system, transformers such as mechanical equipment, general steam turbine transformers, boiler transformers, ash removal transformers, dust removal transformers, desulfurization transformers, etc. are all dry-type transformers, with transformation ratios of 6000V/400V and 10kV/400V, used for rated voltage 380V load. Compared with oil-type transformers, dry-type transformers have no oil, that is, there are no serious problems such as fire, explosion, and pollution. Therefore, electrical codes and regulations do not require dry-type transformers to be placed in separate rooms, so they are gradually being used. Under normal circumstances, dry-type transformers are maintenance-free. However, in dusty or harmful places, special attention must be paid to whether there is dust on the bottom and ends of the insulators and windings during inspection, otherwise it will greatly affect its performance indicators, resulting in limited use and equipment damage. The current commonly used method is to clean regularly. When cleaning, the power must be cut off and the service will be shut down, and the usage rate will be low during the cleaning period, especially during the peak period of electricity consumption, which is very likely to cause safety hazards. The Chinese patent application number: 200610050501.6 discloses a dry-type resin-insulated electrostatic precipitator rectifier transformer, which consists of a high-voltage coil cast body, a low-voltage coil cast body, an iron core installed in the low-voltage coil cast body, and an insulator connected to the high-voltage coil cast body. , and the upper and lower clamps for fixing the high-voltage and low-voltage coil casting bodies form a single-phase transformer, which is characterized in that an electrostatic ring is installed in the casting layer at the upper and lower ends of the high-voltage coil casting body of the single-phase transformer, and the high-voltage and low-voltage coil casting Two circular insulating cylinders are installed between the casting bodies, and two insulating angle rings are respectively installed on the upper and lower ends of the high-voltage coil casting body. There are insulating pads between the angle rings and the high-voltage coil casting body, and there are Insulation spacers. In this technical solution, an electrostatic ring is installed in the casting body of the high-voltage coil to homogenize the electric field strength at the end of the coil. The installation of the inner and outer cylinders is to reduce the electric field strength between the high and low voltage coils, and the angle ring is to reduce the electric field strength at the end of the coil. The fineness of the structure is high, and the dust removal effect is not good. the

Utility model content

The utility model aims to solve the above technical problems and provide a dry-type power transformer with simple structure, convenient use and reliable performance. the

In order to achieve the above purpose, the technical solution adopted by the utility model is: a dry-type power transformer, including a transformer body and a dust removal device on the transformer body, the dust removal device includes a fan, a dust cover and a controller, the The dust cover is arranged at the rear of the fan, and the controller is connected with a temperature control sensor. the

A vibrator connected to the controller is arranged on the dust cover. the

The fan is installed on one side of the upper part of the transformer body, and the fan is provided with an oscillating member. the

A solar panel is connected to the top of the controller. the

Reflective tapes are arranged around the solar panels. the

The utility model is improved on the traditional dry-type power transformer, and a device with temperature control function is provided, which not only automatically removes dust but also has the function of monitoring the running state of the transformer. The dust removal device includes a fan, a dust cover and a controller. The dust cover is arranged at the rear of the fan to filter the air for the fan to prevent a large amount of dirty dust from directly blowing onto the transformer. The controller is connected with a temperature control sensor to monitor the temperature of the transformer in real time. When the temperature is high At the set value, turn on the fan to cool down, the dust cover is provided with a vibrator connected to the controller, periodic vibration can be set to remove the dust on the dust cover to avoid dust accumulation Too much will block the air duct hole of the dust cover. The fan is installed on the upper side of the transformer body, and the fan is provided with an oscillating member, which can simultaneously remove dust and cool down multiple angles of the transformer, and the effect is remarkable; The upper part of the controller is connected with a solar panel, which not only provides electric energy for the whole device, but also covers the dust removal device, avoids the sun and rain, and improves the service life; the surrounding side of the solar panel is equipped with reflective Belts can prevent birds from approaching and prevent the solar panels from being dirty. Dry-type transformers generally adopt natural air cooling (AN) and continuously output 100% capacity. Here, an air-cooling system is configured and forced air cooling (AF) is used, and the output capacity can be increased by 40% or even higher, which improves the utilization rate of equipment. The utility model has the advantages of simple structure, reliable performance and good popularization and use value. the

Description of drawings

Below in conjunction with accompanying drawing, the utility model is further described:

Fig. 1 is a kind of structural representation of the utility model.

Detailed ways

As shown in Figure 1, a dry-type power transformer includes a transformer body 1 and a dust removal device on the transformer body 1, the dust removal device includes a fan 2, a dust cover 3 and a controller 4, and the dust cover 3 is arranged at the rear of the fan 2, and the controller 4 is connected with a temperature control sensor 5. the

The dust cover 3 is provided with a vibrator 6 connected to the controller 4 . the

The fan 2 is installed on the upper side of the transformer body 1, and the fan 2 is provided with an oscillating member. the

A solar panel 7 is connected to the top of the controller 4 . the

Reflective tapes are arranged on the sides of the solar panels 7 . the

The utility model is improved on the traditional dry-type power transformer, and a device with temperature control function is provided, which not only automatically removes dust but also has the function of monitoring the running state of the transformer. The dust removal device includes a fan, a dust cover and a controller. The dust cover is arranged at the rear of the fan to filter the air for the fan to prevent a large amount of dirty dust from directly blowing onto the transformer. The controller is connected with a temperature control sensor to monitor the temperature of the transformer in real time. When the temperature is high At the set value, turn on the fan to cool down, the dust cover is provided with a vibrator connected to the controller, periodic vibration can be set to remove the dust on the dust cover to avoid dust accumulation Too much will block the air duct hole of the dust cover. The fan is installed on the upper side of the transformer body, and the fan is provided with an oscillating member, which can simultaneously remove dust and cool down multiple angles of the transformer, and the effect is remarkable; The upper part of the controller is connected with a solar panel, which not only provides electric energy for the whole device, but also covers the dust removal device, avoids the sun and rain, and improves the service life; the surrounding side of the solar panel is equipped with reflective Belts can prevent birds from approaching and prevent the solar panels from being dirty. Dry-type transformers generally adopt natural air cooling (AN) and continuously output 100% capacity. Here, an air-cooling system is configured and forced air cooling (AF) is used, and the output capacity can be increased by 40% or even higher, which improves the utilization rate of equipment. The utility model has the advantages of simple structure, reliable performance and good popularization and use value. the

Claims (5)

1. A dry-type power transformer, characterized in that: it includes a transformer body and a dust removal device on the transformer body, the dust removal device includes a fan, a dust cover and a controller, and the dust cover is arranged on the fan The rear part of the controller is connected with a temperature control sensor. 2. The dry-type power transformer according to claim 1, wherein a vibrator connected to the controller is arranged on the dust cover. 3. The dry-type power transformer according to claim 1, wherein the fan is installed on the upper side of the transformer body, and the fan is provided with an oscillating member. 4. The dry-type power transformer according to claim 1, wherein a solar panel is connected to the upper part of the controller. 5. The dry-type power transformer according to claim 4, wherein a reflective tape is arranged around the solar panel.