CN205828064U - An oil-immersed transformer - Google Patents

Abstract

An oil-immersed transformer, including a box body, an oil conservator, a safety airway, a mounting base, a low-voltage insulating bushing, and a high-voltage insulating bushing. Both sides of the box body are provided with end covers, and one side of the end cover is installed There is a controller, the end cover is equipped with a cooling fan, and the end cover is equipped with a circulating oil pipeline communicating with the box, and the circulating oil pipeline is equipped with an oil pump; one side of the upper end of the box is installed There are solar panels; the front and rear sides of the box are provided with heat dissipation fins, and several water tank chambers are arranged between the heat dissipation fins; several temperature sensors are arranged on the box; the controller is respectively connected with The temperature sensor, the heat dissipation fan and the oil pump are connected; the solar panel is connected with an accumulator, and the accumulator supplies power for the temperature sensor, the heat dissipation fan, and the oil pump. Compared with the prior art, the utility model has the advantages of good heat dissipation effect, longer working cycle, higher intelligence degree and less pressure on staff.

Description

An oil-immersed transformer

technical field

The utility model relates to the technical field of electrical equipment, in particular to an oil-immersed transformer.

Background technique

When the oil-immersed transformer is in working condition, the coil is soaked in oil. It has the characteristics of large size, low cost, simple maintenance, good heat dissipation, strong overload capacity, and good environmental adaptability. Most of the power transformers currently running on the grid are still It is an oil-type transformer, and ensuring good heat dissipation performance of the transformer is one of the key technical performances of the transformer.

In the existing technology, in order to maintain better heat dissipation performance, large and medium-sized transformers with large capacity often adopt external forced heat dissipation, while natural oil heat dissipation is often limited by the structural layout of the oil-type transformer itself, so it cannot be formed. The natural heat dissipation system with good convection has to use the above-mentioned forced heat dissipation equipment for heat dissipation, so the equipment in the oil transformer is increased, resulting in increased overall cost and maintenance difficulty.

Utility model content

The utility model is proposed in view of the above-mentioned problems in the prior art, and the utility model provides an oil-immersed transformer.

The utility model is realized through the following technical solutions. An oil-immersed transformer includes a box body, an oil conservator, a safety airway, a mounting base, a low-voltage insulating bushing, and a high-voltage insulating bushing. It is characterized in that: the box body has two There is an end cover on one side of the end cover, a controller is installed on one side of the end cover, a cooling fan is installed on the end cover, and a circulating oil pipeline communicating with the box is installed inside the end cover, and the circulating oil circuit The pipeline is equipped with an oil pump; one side of the upper end of the box is equipped with a solar panel; the front and rear sides of the box are provided with cooling fins, and several water tank chambers are arranged between the cooling fins; Several temperature sensors are provided; the controller is respectively connected with the temperature sensor, cooling fan and oil pump; the solar panel is connected with a storage device, and the storage device supplies power for the temperature sensor, cooling fan and oil pump.

Preferably, a visible window is provided on the oil conservator.

Preferably, the controller is equipped with a display and an alarm.

Preferably, a communication module is provided in the controller, and the communication module is connected with the control center.

Preferably, the circulating oil pipeline is an outer finned pipeline.

Preferably, the tank chamber is vertically installed on the box body.

Preferably, the outer wall of the water tank is provided with cooling fins.

Preferably, the circulating oil pipeline is provided with a filter.

Generally speaking, the utility model has the following beneficial effects:

① Good heat dissipation effect and strong replaceability of equipment parts. The heat dissipation function of the transformer is enhanced by adopting the heat dissipation fan, circulating oil pipeline, and water tank chamber structure; at the same time, the heat dissipation structure is arranged outside the transformer box. When a fault occurs, the heat dissipation fan, circulation Repair and replace oil pipes and tank chambers.

②The degree of intelligence is high, which reduces the workload of the staff. The controller is connected to the temperature sensor. When the temperature is too high, the controller will start the heat dissipation structure such as the fan to speed up the heat dissipation of the transformer. At the same time, the controller is equipped with a communication module, and the staff can see the equipment in the control center or on the handheld mobile device in time. The operating status of the equipment can be solved in time.

③Energy saving and environmental protection. Solar panels are used to convert solar energy into electrical energy and store it in the battery. When the transformer is needed, the heat dissipation structure is activated by the controller to save the loss of electrical energy.

Description of drawings

Fig. 1 is a structural schematic diagram of an oil-immersed transformer;

Among them, 1—controller, 2—circulating oil pipeline, 3—cooling fan, 4—end cover, 5—solar panel, 6—low voltage insulating bushing, 7—high voltage insulating bushing, 8—safety airway, 9— Oil conservator, 10-visible window, 11-box body, 12-filter, 13-water tank chamber, 14-temperature sensor, 15-installation base, 16-oil pump, 17-radiating fin.

detailed description

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

As shown in Figure 1, an oil-immersed transformer includes a box body 11, an oil conservator 9, a safety airway 8, a mounting base 15, a low-voltage insulating bushing 6, and a high-voltage insulating bushing 7. There is an end cover 4, a controller 1 is installed on one side of the end cover 4, a cooling fan 3 is installed on the end cover 4, and a circulating oil pipeline 2 communicating with the box is installed inside the end cover 4 , the circulating oil pipeline 2 is equipped with an oil pump; one side of the upper end of the box 11 is equipped with a solar panel 5; the front and rear sides of the box 11 are provided with cooling fins 17, and There are several water tank chambers 13 between them; several temperature sensors 14 are arranged on the box body 11; the controller 1 is connected with the temperature sensors 14, cooling fan 3 and oil pump respectively; the solar panel 5 is connected with the storage Electrical appliances, the accumulator supplies power to the temperature sensor 14 , cooling fan 3 and oil pump 16 .

The oil conservator 9 is provided with a visual window 10, through which the quality of the oil in the casing can be seen intuitively, so that it is convenient to replace the oil in the casing in time.

The controller 1 is equipped with a display and an alarm, and the staff can judge the condition of the transformer according to the equipment operation status table on the display, such as whether it is necessary to replace the oil in the box.

The controller 1 is provided with a communication module, which is connected to the control center. At the same time, the communication module can also be set as a wireless communication module, which can be connected with a handheld mobile terminal (such as a mobile phone), and the manager can know the operation of the transformer at any time. situation.

The circulating oil pipeline 2 is an outer finned pipe, the water tank chamber 11 is vertically installed on the box body, and the outer wall of the water tank chamber 11 is provided with cooling fins. The circulating oil pipeline 2 can also be a spiral pipe, and the installation direction of the water tank chamber 11 is not particularly limited.

The circulating oil pipeline 2 is provided with a filter 12, which can filter out impurities in the oil in time. Wherein, a visible window can be set in the filter 12 to watch the filtering effect of the filter 12, and replace the filter membrane in the filter 12 as required.

When the transformer is working, when the temperature in the box is too high, the temperature sensor will transmit the temperature data to the controller, and the controller will first start the oil pump to circulate the oil to dissipate heat. If the preset temperature still cannot be reached at this time, it will start the cooling fan to Dissipate heat until the temperature in the box reaches the preset temperature, then stop the cooling fan and oil pump in turn.

The above descriptions are only the preferred embodiments of the present utility model, and the present utility model is not limited to the above-mentioned embodiments. There may be local minor structural changes during the implementation process. If various changes or modifications of the present invention do not depart from the present utility If the spirit and scope of the new model belong to the claims of the utility model and the equivalent technical scope, the utility model also intends to include these changes and modifications.

Claims (8)

1. An oil-immersed transformer, comprising a box body, an oil conservator, a safety airway, an installation base, a low-voltage insulating bushing, and a high-voltage insulating bushing, characterized in that: both sides of the box body are provided with end covers, and the One side of the end cover is equipped with a controller, the end cover is equipped with a cooling fan, and the inside of the end cover is equipped with a circulating oil pipeline communicating with the box, and the circulating oil pipeline is equipped with an oil pump; the box One side of the upper end of the body is equipped with a solar panel; the front and rear sides of the box are provided with cooling fins, and several water tank chambers are arranged between the cooling fins; the box is provided with several temperature sensors; The controller is respectively connected with the temperature sensor, the heat dissipation fan and the oil pump; the solar panel is connected with a storage device, and the storage device supplies power for the temperature sensor, the cooling fan and the oil pump. 2. The oil-immersed transformer according to claim 1, wherein a visual window is provided on the oil conservator. 3. The oil-immersed transformer according to claim 1, characterized in that: the controller is equipped with a display and an alarm. 4. The oil-immersed transformer according to claim 3, wherein a communication module is provided in the controller, and the communication module is connected to a control center. 5 . The oil-immersed transformer according to claim 1 , wherein the circulating oil pipeline is an outer-finned pipeline. 6 . 6. The oil-immersed transformer according to claim 1, characterized in that: the water tank chamber is vertically installed on the box body. 7. The oil-immersed transformer according to claim 1, characterized in that: the outer wall of the water tank is provided with cooling fins. 8. The oil-immersed transformer according to claim 1, characterized in that: the circulating oil pipeline is provided with a filter.