CN217955624U

CN217955624U - High-efficient radiating power transformer

Info

Publication number: CN217955624U
Application number: CN202221334440.7U
Authority: CN
Inventors: 吴爱国; 金晓扣
Original assignee: Jiangsu Hengte Group Valtte Electric Co ltd
Current assignee: Jiangsu Hengte Group Valtte Electric Co ltd
Priority date: 2022-05-31
Filing date: 2022-05-31
Publication date: 2022-12-02
Anticipated expiration: 2032-05-31

Abstract

The utility model relates to a transformer technical field, and provided a high-efficient radiating power transformer, including oil-cooling case, transformer, oil-well pump, refrigerator, the inside fixedly connected with oil pipe of oil-cooling case, and the top of transformer is stretched to the one end of oil pipe, and the other end stretches out from the bottom of oil-cooling case, the one end fixedly connected with cold oil tank of the bottom of oil pipe, and stretch into the inboard of cold oil tank, the top fixedly connected with cylinder of oil pipe, the upside sliding connection of cylinder has the fall way with the oil pipe intercommunication. This high-efficient radiating power transformer through setting up oil pipe, cylinder, fall way, switch water wheels etc to reached can be in the oil temperature of oil cooler bin rise the back automatic with the cold oil of cold oil tank and the hot oil exchange cycle of oil cooler bin, guaranteed that the oil temperature of oil cooler bin can not be too high, guarantee the high-efficient heat dissipation that lasts of transformer, and the effect that the oil of guaranteeing to converge into the cold oil tank can in time cool down.

Description

High-efficient radiating power transformer

Technical Field

The utility model relates to a transformer technical field specifically is a high-efficient radiating power transformer.

Background

A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. The oil-cooled transformer is characterized in that the transformer is immersed in transformer oil, the transformer oil absorbs heat emitted by the transformer to achieve a radiating effect, and the transformer oil can be circularly exchanged with external transformer oil after the temperature of the transformer oil rises, so that the temperature of the oil immersed in the transformer cannot be too high.

However, the transformer oil inside the existing oil-cooled transformer generally needs to be matched with a programming system to achieve the effect of automatically opening the circulation by using a temperature detection device after the temperature rises, the transformer oil is complex, the transformer oil is not generally stored outside the transformer box, the oil inside the transformer box cannot be cooled in time when the circulation is opened, the oil circulating to the outside is generally cooled through a section of refrigerated pipeline and then returns to the transformer box, and the cooling of the refrigeration pipeline consumes a large amount of electric energy and is relatively wasted.

SUMMERY OF THE UTILITY MODEL

For the usual inside transformer oil of solving above-mentioned current oil-cooled transformer rise the back at the temperature, need use temperature-detecting device cooperation programming system to reach the automatic effect of opening the circulation, it is comparatively complicated, and the outside of transformer case does not generally store transformer oil, can not be when opening the circulation, in time cool down the oil of transformer incasement portion, and the oil that circulates to the external world is usually through the cooling of one section refrigerated pipeline, then return to the transformer case, a large amount of electric energy can be consumed in the cooling of refrigeration pipeline, more extravagant problem, realize above can be automatic with the cold oil of cold oil case and the hot oil exchange circulation of oil-cooled case after the oil temperature in the oil-cooled case rises, guarantee that the oil temperature of oil-cooled case can not too high assurance, the lasting high-efficient heat dissipation of transformer, and guarantee to converge the oil of cold oil case and can in time cool down, the oil that the circulation got into the oil-cooled case is the purpose of low temperature oil, the utility model discloses a following technical scheme realizes: the utility model provides a high-efficient radiating power transformer, includes oil-cooling case, transformer, oil-well pump, refrigerator, the inside fixedly connected with oil pipe of oil-cooling case, and the top of transformer is stretched to the one end of oil pipe, and the other end stretches out from the bottom of oil-cooling case, the one end fixedly connected with cold oil tank of the bottom of oil pipe, and stretch into the inboard of cold oil tank for deposit the oil that can carry out the exchange with the inside oil of oil-cooling case, the top fixedly connected with cylinder of oil pipe, the upside sliding connection of cylinder has the fall way with oil pipe intercommunication for rise the volume expansion through it and flow into cold oil tank when the oil temperature, the downside of cylinder is provided with the switch water wheels who rotates and connect in the inside of oil pipe, be used for driving its rotation when oil process and start the oil-well pump, the bottom fixedly connected with one end of oil-cooling case stretches into its inside other end and stretches into the inside oil pipe of cold oil tank, the cold oil tank buries underground and inside and is provided with the refrigerator, and the underground temperature is lower makes things convenient for its oil quick cooling, can assist the cooling, saves the electric energy.

Furthermore, there is a top cover at the top of the oil cooling tank through a bolt, one end of the bottom of the oil cooling tank is fixedly connected with an oil drain valve, the other end of the bottom of the oil cooling tank is communicated with the inside of the oil drain valve, and the transformer is fixedly arranged at the bottom of the inner side of the oil cooling tank.

Furthermore, switch water wheels is connected with oil-well pump and cylinder electricity, the oil-well pump is connected with the cylinder electricity for can start the oil-well pump when switch water wheels rotates, and make the cylinder drive the fall way decline, can make the cylinder drive the fall way rise when the oil-well pump is closed, guarantee that the oil circulation of oil-cooling case is accomplished the back fall way and can be higher than the oil level.

Further, the elevator pipe is higher than the oil outlet pipe, and the lower end of the oil outlet pipe reaches the top of the inner side of the cold oil tank, so that hot oil is poured into the cold oil tank from the top of the cold oil tank.

Furthermore, the upper end of the oil inlet pipe reaches the inner side bottom of the oil cooling tank and is fixedly connected and communicated with the oil well pump, the lower end of the oil inlet pipe reaches the bottom of the oil cooling tank, oil is pumped from the bottom of the oil cooling tank to enter the oil cooling tank, and therefore the temperature of oil entering the oil cooling tank is guaranteed to be slightly influenced by entering hot oil.

Furthermore, the thin pipeline is arranged at the lower end of the inner side of the oil inlet pipe, and the thick pipeline communicated with the thin pipeline is arranged at the upper end of the oil inlet pipe.

Furthermore, the top of the thin pipeline is inserted with a check valve for blocking the thin pipeline, the diameter of the check valve is smaller than that of the thick pipeline, and the upper end of the check valve is fixedly connected with a spring rod which is parallel to the thin pipeline and applies downward force to the thin pipeline, so that the oil in the oil cooling box is prevented from flowing into the oil cooling box from the oil inlet pipe.

The utility model provides a high-efficient radiating power transformer. The method has the following beneficial effects:

1. this high-efficient radiating power transformer, through setting up out oil pipe, the cylinder, the fall way, the switch water wheels, advance oil pipe, the cold oil tank, make the inside oil temperature of oil cold box rise the back and cross the fall way, and flow into the cold oil tank through fall way and play oil pipe, it rotates to drive switch water wheels simultaneously, make the oil-well pump join with the oil of oil cold box the bottom of the oil suction in the cold oil tank with the oil suction through advancing oil pipe, make the oil cooling in the oil cold box, the hot oil at oil cold box top flows into the cold oil tank through play oil pipe, thereby reached can be automatic after the oil temperature of oil cold box risees with the cold oil of cold oil tank and the hot oil exchange circulation of oil cold box, guarantee that the oil temperature of oil cold box can not be too high, guarantee the high-efficient radiating effect that lasts of transformer.

2. This high-efficient radiating power transformer, through burying the lower temperature cooling of underground through cold oil tank underground, or through the refrigerator cooling of its bottom, guaranteed that the oil that converges into cold oil tank can in time cool down, guarantee that the oil that the circulation got into the oil cold box is low temperature oil.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention;

fig. 3 is an enlarged view of a portion B of fig. 1 according to the present invention.

In the figure: 1. an oil cooling tank; 2. a top cover; 3. an oil drain valve; 4. a transformer; 5. an oil outlet pipe; 6. a cylinder; 7. a lifting pipe; 8. switching the water wheel; 9. an oil inlet pipe; 10. an oil well pump; 11. a thin pipe; 12. a coarse pipeline; 13. a one-way valve; 14. a spring lever; 15. a cold oil tank; 16. a refrigerator.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment of the power transformer with high-efficiency heat dissipation is as follows:

referring to fig. 1-3, a power transformer with high heat dissipation efficiency includes an oil cooling box 1, a transformer 4, an oil pump 10, and a refrigerator 16, wherein an oil outlet pipe 5 is fixedly connected to the inside of the oil cooling box 1, one end of the oil outlet pipe 5 extends to the top of the transformer 4, and the other end extends from the bottom of the oil cooling box 1, a cold oil tank 15 is fixedly connected to one end of the bottom of the oil outlet pipe 5 and extends into the inside of the cold oil tank 15 for storing oil that can be exchanged with the oil inside the oil cooling box 1, an air cylinder 6 is fixedly connected to the top of the oil outlet pipe 5, a lift pipe 7 is slidably connected to the upper side of the air cylinder 6 and is communicated with the oil outlet pipe 5 for flowing into the cold oil tank 15 through the lift pipe when the oil temperature rises and expands, a switch water wheel 8 rotatably connected to the inside of the oil outlet pipe 5 is arranged at the lower side of the air cylinder 6 for driving the oil to rotate to start the oil pump 10 when the oil passes through, an oil inlet pipe 9 is fixedly connected to the bottom of the oil cooling box 1 and extends into the inside of the cold oil tank 15, the cold oil tank 15 is buried underground and is provided with the refrigerator 16, and the refrigerator for saving electric energy.

The top of the oil cooling tank 1 is fixedly provided with a top cover 2 through a bolt, one end of the bottom of the oil cooling tank 1 is fixedly connected with an oil drain valve 3, the other end of the bottom of the oil cooling tank is communicated with the inside of the oil drain valve, and a transformer 4 is fixedly arranged at the bottom of the inner side of the oil cooling tank 1.

Switch water wheel 8 is connected with oil-

well pump

10 and 6 electricity of cylinder, and oil-well pump 10 is connected with 6 electricity of cylinder for switch water wheel 8 can start oil-well pump 10 when rotating, and make cylinder 6 drive lift pipe 7 descend, can make cylinder 6 drive lift pipe 7 rise when oil-well pump 10 closes, guarantees that lift pipe 7 can be higher than the oil level after the oil cycle of oil-cooling case 1 is accomplished.

The riser pipe 7 is higher than the oil outlet pipe 5, and the lower end of the oil outlet pipe 5 reaches the inside top of the cold oil tank 15, so that hot oil is poured from the top of the cold oil tank 15. The upper end of the oil inlet pipe 9 reaches the bottom of the inner side of the oil cooling box 1 and is fixedly connected and communicated with the oil well pump 10, the lower end of the oil inlet pipe 9 reaches the bottom of the cold oil box 15, oil is pumped from the bottom of the cold oil box 15 and enters the oil cooling box 1, and the temperature of oil entering the oil cooling box 1 is guaranteed to be slightly influenced by entering hot oil.

The lower end of the inner side of the oil inlet pipe 9 is provided with a thin pipeline 11, and the upper end is provided with a thick pipeline 12 communicated with the thin pipeline 11. The top of the thin pipeline 11 is inserted with a check valve 13 for blocking the thin pipeline, the diameter of the check valve 13 is smaller than that of the thick pipeline 12, and the upper end of the check valve 13 is fixedly connected with a spring rod 14 which is parallel to the thin pipeline and applies downward force to the thin pipeline, so that the oil in the oil cooling box 1 is prevented from flowing into the oil cooling box 15 from the oil inlet pipe 9.

The working principle is as follows: the oil cooling tank 1 and the oil cooling tank 15 are filled with cooling oil, and the cooling oil in the oil cooling tank 1 does not exceed the height of the lifting pipe 7 at the top of the oil outlet pipe 5. When the transformer 4 in the oil cooling box 1 works and generates heat for a long time, the temperature of cooling oil in the oil cooling box 1 which is in contact with the transformer can be increased, so that the volume of the cooling oil can be increased to overflow the lifting pipe 7, the overflowing cooling oil flows into the oil outlet pipe 5 through the lifting pipe 7 and the air cylinder 6 and drives the switch water wheel 8 which is rotationally connected with the lifting pipe to rotate, the switch water wheel 8 is connected with the switch circuits of the oil well pump 10 and the air cylinder 6, the oil well pump 10 and the air cylinder 6 can be started during rotation, and the air cylinder 6 drives the lifting pipe 7 to descend.

Meanwhile, the oil well pump 10 starts to work, cooling oil inside the oil cooling box 15 is pumped into the bottom of the oil cooling box 1 through the oil inlet pipe 9, the one-way valve 13 can be pushed open when the cooling oil enters the oil cooling box 1 from the oil inlet pipe 9, the pumped cooling oil enables the height of the oil surface of the oil cooling box 1 to rise and continuously flows into the oil cooling box 15 through the oil outlet pipe 5, meanwhile, the oil of the oil cooling box 15 converges into the oil cooling box 1 to enable the temperature of the oil inside the oil cooling box 1 to be reduced, the oil of the oil cooling box 1 converges into the oil cooling box 15 to enable the temperature of the oil inside the oil cooling box 1 to rise, the oil well pump 10 stops working after working for a period of time to enable the oil surface inside the oil cooling box 1 to fall to a certain degree, at the moment, the oil surface of the oil cooling box 1 is flush with the lowered lifting pipe 7, and then the cylinder 6 automatically drives the lifting pipe 7 to rise after the oil well pump 10 stops working, and enables the oil surface to be higher than the oil surface.

The cold oil tank 15 can be buried underground and is accelerated to cool by contacting with the ground bottom, and the bottom of the cold oil tank is also provided with a refrigerator 16 and can also be assisted to cool by the refrigerator 16.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a high-efficient radiating power transformer, includes oil-cooling case (1), transformer (4), oil-well pump (10), refrigerator (16), its characterized in that: the inside fixedly connected with of oil cooling case (1) goes out oil pipe (5), and goes out the one end of oil pipe (5) and stretch the top of transformer (4), and the other end stretches out from the bottom of oil cooling case (1), the one end fixedly connected with cold oil tank (15) of the bottom of going out oil pipe (5), and stretch into the inboard of cold oil tank (15), the top fixedly connected with cylinder (6) of going out oil pipe (5), the upside sliding connection of cylinder (6) has lift pipe (7) with play oil pipe (5) intercommunication, the downside of cylinder (6) is provided with the switch water wheels (8) of rotating the connection in oil pipe (5) inside, the bottom fixedly connected with one end of oil cooling case (1) stretches into its inside other end and stretches into inside advancing oil pipe (9) of cold oil tank (15), cold oil tank (15) bury underground and inside and be provided with refrigerator (16).

2. A power transformer with efficient heat dissipation as recited in claim 1, wherein: the top of oil-cooling tank (1) is provided with a top cover (2) through bolt fixing, one end of the bottom of oil-cooling tank (1) is fixedly connected with an oil drain valve (3) with the other end communicated with the inside of the oil-cooling tank and extending out of the surface of the oil-cooling tank, and a transformer (4) is fixedly arranged at the bottom of the inner side of the oil-cooling tank (1).

3. A power transformer with efficient heat dissipation as recited in claim 1, wherein: the switch water wheel (8) is electrically connected with the oil well pump (10) and the cylinder (6), and the oil well pump (10) is electrically connected with the cylinder (6).

4. A power transformer with efficient heat dissipation as recited in claim 1, wherein: the lifting pipe (7) is higher than the oil outlet pipe (5), and the lower end of the oil outlet pipe (5) reaches the top of the inner side of the cold oil tank (15).

5. A power transformer with efficient heat dissipation as recited in claim 1, wherein: the upper end of the oil inlet pipe (9) reaches the bottom of the inner side of the oil cooling tank (1), is fixedly connected with the oil well pump (10) and is communicated with the oil cooling tank, and the lower end of the oil inlet pipe (9) reaches the bottom of the oil cooling tank (15).

6. A power transformer with efficient heat dissipation as recited in claim 1, wherein: the lower end of the inner side of the oil inlet pipe (9) is provided with a thin pipeline (11), and the upper end of the oil inlet pipe is provided with a thick pipeline (12) communicated with the thin pipeline (11).

7. An efficient heat dissipating power transformer as claimed in claim 6, wherein: the top of the thin pipeline (11) is inserted with a check valve (13) for blocking the thin pipeline, the diameter of the check valve (13) is smaller than that of the thick pipeline (12), and the upper end of the check valve is fixedly connected with a spring rod (14) which is parallel to the check valve and applies downward force to the check valve.