CN206210521U - A kind of automatic heat radiator of transformer - Google Patents

Abstract

The utility model discloses an automatic heat dissipation device for a transformer, which comprises a box body, a circulating oil pipe, an oil cooler and a heat dissipation wind cap. The circulating oil pipe, the bottom end of the circulating oil pipe is connected with an oil outlet pipe, the oil outlet pipe is connected with an oil pump, and the oil pump is installed under the oil cooler, and a controller is installed in front of the oil cooler. The oil outlet end of the oil cooler is connected to the upper port of the circulating oil pipe, a door panel is arranged in front of the box body, and a cooling fin 1 is installed on the door panel, and the heat dissipation fin 1 is also installed on the side panel corresponding to the door panel. Sheet 1, a temperature sensor is installed inside the heat sink 1. The beneficial effect is that: the heating temperature of the transformer can be automatically detected, and different heat dissipation structures can be automatically opened according to the detected temperature value; at the same time, it has an unpowered air-cooled heat dissipation structure, and the energy saving effect is good, and no external cooling medium is needed.

Description

An automatic cooling device for a transformer

technical field

The utility model relates to the field of transformer heat dissipation, in particular to an automatic heat dissipation device for a transformer.

Background technique

The transformer will generate heat during use. If the heat is not discharged in time, it will cause discharge or even short circuit inside the transformer. Therefore, the transformer needs a cooling device to dissipate heat to ensure normal operation. The application number is: 201510806511.7 Chinese patent, the specific content is: a transformer heat dissipation structure is disclosed, which belongs to the field of transformer technology. The heat dissipation structure includes a heat dissipation pipe, and the heat dissipation pipe is provided with an oil outlet, an oil inlet, a water inlet, and a water outlet. The oil inlet and the oil outlet are connected through a heat exchange tube in the heat dissipation pipe. The heat pipe is in the shape of a spiral disk in the heat dissipation pipe, the water inlet and the water outlet are respectively connected to the two ends of the heat dissipation pipe, the oil inlet and the oil outlet are respectively connected to the transformer oil tank through a flange structure, and the water inlet Connect the water pipe with the water outlet. The heat dissipation structure of the transformer in the above patent cannot automatically detect the temperature of the transformer, cannot realize automatic heat dissipation according to the temperature, and needs an external water source for cooling, and cannot be used independently.

Utility model content

The purpose of this utility model is to provide an automatic cooling device for a transformer in order to solve the above problems.

The utility model realizes above-mentioned purpose through following technical scheme:

An automatic heat dissipation device for a transformer, comprising a box body, a circulating oil pipe, an oil cooler and a heat dissipation wind cap, a filter screen is installed at the bottom of the box body, and the circulating oil pipe is installed on three side panels inside the box body, One end of the bottom of the circulating oil pipe is connected with an oil outlet pipe, and an oil pump is connected above the oil outlet pipe, and the oil pump is installed under the oil cooler. The oil end is connected to the upper port of the circulating oil pipe, the front of the box is provided with a door panel, the door panel is equipped with a cooling fin 1, and the side panel corresponding to the door panel is also equipped with the cooling fin 1. A temperature sensor is installed on the inner side of the cooling fin 1, a cooling fin 2 is arranged in the middle of the side plate corresponding to the oil cooler behind the circulating oil pipe, and the heat dissipation wind cap is installed on the top of the box.

In the above structure, the transformer is placed inside the box, and the primary temperature detection range and secondary temperature detection range of the temperature sensor are set by the controller. When the temperature is within the primary detection range, the heat sink The first heat sink and the second heat sink dissipate heat from the transformer, and at the same time, the heat dissipation cap rotates under the action of the internal hot wind to discharge the heat generated inside the box. When the temperature reaches the secondary detection range, the oil pump starts , so that the oil in the circulation oil pipe starts to circulate, and the heat generated by the transformer is quickly taken out, and the heated oil is cooled by the oil cooler and then discharged into the circulation oil pipe again, and the transformer is circulated and cooled. When the internal temperature of the box drops to the primary detection range, the oil pump and the oil cooler stop working.

In order to further improve the use function of the automatic heat dissipation device, there are two filter screens in total, both of which are embedded in the bottom of the box body, and correspond to the heat dissipation wind cap up and down.

In order to further improve the use function of the automatic heat dissipation device, the circulating oil pipes are arranged in a continuous S shape and evenly arranged on the side wall of the box body.

In order to further improve the use function of the automatic cooling device, the diameter of the oil outlet pipe is larger than the diameter of the circulation oil pipe, and the oil circulation pipe is connected to the oil pump through the oil outlet pipe.

In order to further improve the use function of the automatic cooling device, the oil pump is a plunger type oil pump, which is fixed on the oil cooler by bolts, and the oil cooler is fixed on the outside of the box by bolts, and the oil cooling The cooler is a plate cooler, the output end of the cooling oil is connected to the oil inlet of the circulating oil pipe, and both the oil pump and the oil cooler are electrically connected to the controller.

In order to further improve the use function of the automatic cooling device, both the first heat sink and the second heat sink are connected to the controller through a wire, and the temperature sensor is connected to the controller through a communication line.

In order to further improve the use function of the automatic heat dissipation device, the heat dissipation air cap and the box body are connected by bolts.

The beneficial effect is that: the heating temperature of the transformer can be automatically detected, and the two-level temperature detection range can be set, and different heat dissipation structures can be automatically turned on or off according to the detected temperature value. And without external cooling medium, it can be used independently.

Description of drawings

Fig. 1 is the front view of the automatic cooling device of a kind of transformer of the utility model;

Fig. 2 is a schematic structural view of an automatic cooling device for a transformer of the present invention;

Fig. 3 is a left view of an automatic cooling device for a transformer of the present invention.

1. Box body; 2. Filter screen; 3. Circulating oil pipe; 4. Oil outlet pipe; 5. Oil pump; 6. Controller; 7. Oil cooler; 8. Door panel; 9. Cooling cap; 10. Heat sink one; 11. Heat sink 2; 12. Temperature sensor.

detailed description

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

As shown in Figures 1-3, an automatic heat dissipation device for a transformer includes a box body 1, a circulating oil pipe 3, an oil cooler 7 and a heat dissipation wind cap 9, and a filter screen 2 is installed at the bottom of the box body 1, and the filter screen 2 is used for When the external cold air enters the box body 1, dust and impurities in the air are filtered. The three side panels inside the box body 1 are equipped with circulating oil pipes 3, which are used to store and transport cooling oil to cool the inside of the box body 1. The oil outlet pipe 4 is connected to the bottom end of the circulating oil pipe 3. The oil outlet pipe 4 is used to transport the cooling oil in the circulating oil pipe 3 to the oil pump 5. The oil outlet pipe 4 is connected to the oil pump 5. The oil pump 5 is used to transfer the oil in the circulating oil pipe 3 Pumped into the oil cooler 7, the oil pump 5 is installed under the oil cooler 7, the oil cooler 7 is used to cool the delivered oil, so that the oil in the circulating oil pipe 3 can be reused, and the front of the oil cooler 7 is installed with a control The controller 6 and the controller 6 are used to receive the temperature signal, and control the oil pump 5 and the oil cooler 7 to work. The oil outlet end of the oil cooler 7 is connected to the upper port of the circulating oil pipe 3, and the front of the box body 1 is provided with a door panel 8, which is convenient Put the transformer into the box body 1, a heat sink 10 is installed on the door panel 8, a heat sink 10 is also installed on the side plate corresponding to the door panel 8, and a temperature sensor 12 is installed on the inside of the heat sink 10, and the temperature sensor The device 12 is used to detect the temperature inside the box body 1, and the middle of the side plate corresponding to the oil cooler 7 is located behind the circulating oil pipe 3. There is a heat sink 2 11, and the heat sink 10 and the heat sink 11 are used to control the tank The heat inside the body 1 is dissipated, and the top of the box body 1 is equipped with a heat dissipation wind cap 9, which can rotate under the action of internal heat to discharge the internal heat without an external power source, which has an energy-saving effect.

In the above structure, the transformer is placed inside the box body 1, and the primary temperature detection range and the secondary temperature detection range of the temperature sensor 12 are set by the controller 6. When the temperature is in the primary detection range, the heat sink 10 and the heat sink 2.11 dissipates heat from the transformer, and at the same time, the heat dissipation cap 9 rotates under the action of the internal hot wind to discharge the heat generated inside the box body 1. When the temperature reaches the secondary detection range, the oil pump 5 starts to make the oil in the circulating oil pipe 3 Start the circulating flow to quickly take out the heat generated by the transformer. The heated oil is cooled by the oil cooler 7 and then discharged into the circulating oil pipe 3 to circulate and cool the transformer. When the internal temperature of the box 1 drops to the first-level detection range , the oil pump 5 and the oil cooler 7 stop working.

In order to further improve the use function of the automatic heat dissipation device, there are two filter screens 2, both of which are embedded in the bottom of the box body 1, and correspond to the upper and lower sides of the cooling air cap 9. On the side wall, the diameter of the oil outlet pipe 4 is larger than that of the circulating oil pipe 3, and the circulating oil pipe 3 is connected to the oil pump 5 through the oil outlet pipe 4. The oil pump 5 is a plunger type oil pump and is fixed on the oil cooler 7 by bolts. The oil cooler 7 It is fixed on the outside of the box body 1 by bolts, the oil cooler 7 is a plate cooler, the output end of the cooling oil is connected to the oil inlet of the circulating oil pipe 3, the oil pump 5 and the oil cooler 7 are both electrically connected to the controller 6, and the heat sink 10 Both heat sink two 11 are connected with the controller 6 by wires, the temperature sensor 12 and the controller 6 are connected by communication lines, and the cooling air cap 9 and the casing 1 are connected by bolts.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their effects.

Claims (7)

1. a kind of automatic heat radiator of transformer, it is characterised in that：Including casing, circulating pipe, oil cooler and radiation air Cap, the bottom half is provided with screen pack, and the circulating pipe is mounted on three surface side plates of the box house, described Circulating pipe bottom end is connected with flowline, and oil pump is connected with above the flowline, and the oil pump is arranged on the oil cooling But device lower section, is provided with controller before the oil cooler, and the oil outlet end of the oil cooler is connected on the circulating pipe Port, is provided with door-plate before the casing, fin one is provided with the door-plate, on the side plate corresponding with the door-plate The fin one is also installed, the inner side of the fin one is provided with temperature inductor, corresponding with the oil cooler The rear that the circulating pipe is located in the middle of side plate is provided with fin two, and the radiation air is provided with the top of the casing Cap.

2. the automatic heat radiator of a kind of transformer according to claim 1, it is characterised in that：The screen pack has two It is individual, the bottom half is embedded in, and it is corresponding up and down with the radiating blast cap.

3. the automatic heat radiator of a kind of transformer according to claim 1, it is characterised in that：The circulating pipe is company Continuous S types are set, and are evenly spaced on the side wall of the casing.

4. the automatic heat radiator of a kind of transformer according to claim 1, it is characterised in that：The fuel-displaced pipe diameter is big In the diameter of the circulating pipe, the circulating pipe is accessed by the oil pump by the flowline.

5. the automatic heat radiator of a kind of transformer according to claim 1, it is characterised in that：The oil pump is plunger type Oil pump, is bolted on the oil cooler, and the oil cooler is bolted on the outside of the casing, institute Oil cooler is stated for panel cooler, cooling oil output end connects the circulating pipe oil inlet, the oil pump and the oil cooling But device is electrically connected with the controller.

6. the automatic heat radiator of a kind of transformer according to claim 1, it is characterised in that：The fin one and institute State fin two to be connected by wire with the controller, the temperature inductor and the controller are connected by connection Connect.

7. the automatic heat radiator of a kind of transformer according to claim 1, it is characterised in that：Radiating blast cap and the institute Casing is stated to be bolted.