CN212967348U

CN212967348U - Transformer conservator

Info

Publication number: CN212967348U
Application number: CN202022263641.XU
Authority: CN
Inventors: 王秩才; 王进
Original assignee: Jiangsu Judong Electrical Equipment Co ltd
Current assignee: Jiangsu Judong Electrical Equipment Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-04-13
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a transformer conservator, including hollow box, set up cylinder and ventilation pipe at the box top, set up at the connecting pipe of bottom half and with expansion plate and the push pedal that the box inner wall slides and meets. The utility model discloses a three check valve of removal cooperation of cylinder promotion push pedal flows transformer oil at box and transformer inner loop, cools off through the semiconductor refrigeration piece in inhaling the high temperature transformer oil on transformer upper portion box left side cavity to cool down to inside the transformer when realizing the inside oil level of automatic adjustment transformer, improve the stability of transformer operation.

Description

Transformer conservator

Technical Field

The utility model relates to a transformer conservator belongs to transformer technical field.

Background

The oil conservator is an important auxiliary component in the transformer, when the volume of transformer oil expands or shrinks along with the change of the oil temperature, the oil conservator plays a role in oil storage and oil supplementation, the oil conservator can be ensured to be filled with oil, meanwhile, because the oil conservator is arranged, the contact surface of the transformer and air is reduced, moisture, dust and oxidized oil dirt absorbed from the air are deposited in a depositor at the bottom of the oil conservator, and the degradation speed of the transformer oil can be greatly reduced. The side of the conservator is also provided with an oil level gauge which can monitor the change of the oil level. The cylindrical oil storage tank on the transformer is the oil conservator, the oil temperature of the transformer is increased due to the increase of load, oil in the oil tank expands, excessive oil can flow into the oil conservator at the moment, and when the temperature is reduced, the oil in the oil conservator can flow into the oil tank again to play a role in automatically adjusting the oil level. But the existing oil conservator has single function.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned prior art exists, the utility model provides a transformer conservator promotes the three check valve of removal cooperation of push pedal through the cylinder, with transformer oil at box and transformer inner loop flow, cools off through the semiconductor refrigeration piece in inhaling the high temperature transformer oil suction box left side cavity on transformer upper portion to cool down to transformer inside when realizing the inside oil level of automatic adjustment transformer, improve the stability of transformer operation.

In order to achieve the purpose, the transformer conservator comprises a hollow box body, an air cylinder and a vent pipe which are arranged at the top of the box body, a connecting pipe which is arranged at the bottom of the box body, and a telescopic plate and a push plate which are connected with the inner wall of the box body in a sliding way, wherein a vertical first partition plate which divides a cavity of the box body into a left part and a right part is arranged in the box body, a mounting hole communicated with the vent pipe and a plurality of vent holes are arranged at the top of the cavity at the left side of the box body, the air cylinder is arranged at the top of the cavity at the right side of the box body, a piston rod of the air cylinder is fixedly connected with the push plate, a second one-way valve is arranged on the first partition plate, a first one-way valve is arranged at the bottom of the cavity at the left side of the box body, a third one-way valve is arranged at, the semiconductor refrigeration device comprises a box body, a connecting pipe, a plurality of semiconductor refrigeration pieces, a telescopic supporting rod, an electric fan, an air cylinder, the electric fan and the semiconductor refrigeration pieces, wherein the box body is provided with a box body left cavity, the telescopic supporting rod is connected with the top of the box body, the top surface of the telescopic plate is provided with a plurality of semiconductor refrigeration pieces, the refrigeration faces of the semiconductor refrigeration pieces are in contact with the telescopic plate, the ventilating pipe is internally provided with the electric fan, the air cylinder, the electric fan and the semiconductor refrigeration pieces are all electrically connected with an external power supply, and a second partition board for separating the.

Preferably, a plurality of heat conduction fins are arranged on the lower bottom surface of the expansion plate.

Preferably, the side walls of the periphery of the expansion plate and the push plate are provided with sealing rings connected with the inner wall of the box body in a sliding manner.

Preferably, the telescopic supporting rod is a gas rod.

Preferably, a bottom plate of the left cavity of the box body is provided with a third partition plate inclining towards the left side.

Compared with the prior art, the utility model discloses a three check valve of removal cooperation of cylinder promotion push pedal flows transformer oil at box and transformer inner loop, inhales the high temperature transformer oil on transformer upper portion in the box left side cavity and cools off through the semiconductor refrigeration piece to cool down to transformer inside when realizing the inside oil level of automatic adjustment transformer, improve the stability of transformer operation.

Drawings

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

fig. 2 is a first cross-sectional view of the present invention;

fig. 3 is a second cross-sectional view of the present invention;

fig. 4 is a sectional view of the box body of the present invention.

In the figure: 1. the device comprises a box body, 1-1 parts, a first check valve, 1-2 parts, a second check valve, 1-3 parts, a third check valve, 1-4 parts, a first partition plate, 1-5 parts, mounting holes, 1-6 parts, ventilation holes, 2 parts, a connecting pipe, 2-1 parts, a second partition plate, 3 parts, a cylinder, 4 parts, a ventilation pipe, 5 parts, a push plate, 6 parts, a telescopic plate, 6-1 parts, a telescopic supporting rod, 7 parts and semiconductor refrigerating pieces.

Detailed Description

The technical solutions in the implementation of the present invention will be clear from the following description and accompanying drawings, and the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

As shown in figures 1 to 4, the embodiment of the utility model provides a transformer conservator, including hollow box 1, cylinder 3 and ventilation pipe 4 that set up at box 1 top, connecting pipe 2 that sets up in box 1 bottom, and with box 1 inner wall sliding meet expansion plate 6 and push pedal 5, be provided with the perpendicular first baffle 1-4 of separating into two parts about the cavity of box 1 in the box 1, box 1 left side cavity top is provided with mounting hole 1-5 and a plurality of ventilation hole 1-6 that communicate with ventilation pipe 4, cylinder 3 is installed at box 1 right side cavity top, and the piston rod of cylinder 3 and push pedal 5 fixed connection, be provided with second check valve 1-2 on the first baffle 1-4, box 1 left side cavity bottom is provided with first check valve 1-1, The bottom of the right cavity is provided with a third one-way valve 1-3, the three one-way valves control the flow direction that cooling oil flows from the left cavity of the box body 1 to the right cavity of the box body 1 through the second one-way valve 1-2, flows from the right cavity of the box body 1 to the connecting pipe 2 through the third one-way valve 1-3, flows from the connecting pipe 2 to the left cavity of the box body 1 through the first one-way valve 1-1, the top surface of the telescopic plate 6 is provided with a telescopic supporting rod 6-1 connected with the top of the box body 1, and the top surface of the expansion plate 6 is provided with a plurality of semiconductor refrigeration sheets 7, the refrigeration surfaces of the semiconductor refrigeration sheets 7 are contacted with the expansion plate 6, an electric fan is arranged in the ventilation pipe 4, the cylinder 3, the electric fan and the semiconductor refrigerating sheet 7 are all electrically connected with an external power supply, and a second partition plate 2-1 for separating the first check valve 1-1 from the third check valve 1-3 is arranged in the middle of the connecting pipe 2.

Preferably, a plurality of heat conducting fins 6-2 are arranged on the lower bottom surface of the expansion plate 6. The transformer oil and the expansion plate 6 can exchange heat conveniently.

Preferably, the side walls of the periphery of the expansion plate 6 and the push plate 5 are provided with sealing rings connected with the inner wall of the box body 1 in a sliding manner. The sealing performance is enhanced.

Preferably, the telescopic supporting rod 6-1 adopts a gas rod. The volume change of the transformer oil caused by thermal expansion and cold contraction can be met.

Preferably, a bottom plate of the left cavity of the box body 1 is provided with a third partition plate 9 inclined towards the left side. The transformer oil with high temperature flows upwards to exchange heat with the expansion plate 6, and then the transformer oil with low temperature sinks.

The working process is as follows: the connecting pipe 2 is fixed on the top of the transformer and sealed, meanwhile, oil holes which are respectively communicated with two cavity parts of the connecting pipe 2 are formed in the transformer, transformer oil is filled in the connecting pipe 2 in the box body 1 and the part communicated with the connecting pipe 2, when the volume of the oil in the transformer is increased along with the temperature rise, the transformer oil enters the cavity on the left side of the box body 1 from the first one-way valve 1-1, the expansion plate 6 is extruded, and the expansion plate 6 extrudes the expansion support rod 6-1 to meet the requirement that the volume of the transformer oil is increased. Meanwhile, because the temperature of the transformer oil expanded by the volume of the part is high, the low temperature generated after the semiconductor refrigerating sheet 7 on the expansion plate 6 is electrified absorbs the heat, and the electric fan in the ventilation pipe 4 drives the air to flow so as to take away the heat. The cylinder 3 pushes the push plate 5 to move, after transformer oil cooled in the cavity on the left side of the box body 1 is sucked into the cavity on the right side of the box body 1 through the second one-way valve 1-2, the transformer oil is pushed into the transformer through the third one-way valve 1-3 through the connecting pipe 2 again, so that backflow is carried out after high-temperature transformer oil is cooled, circulating cooling of the transformer oil is achieved, and when the push plate 5 is pulled back by the cylinder 3, the transformer oil flows into the box body on the right side from the box body on the left side of the box body 1 through the second one-way valve 1-2 along with the reduction of pressure.

To sum up, the utility model discloses a 3 three check valves of removal cooperation that promote push pedal 5 of cylinder flow transformer oil at box 1 and transformer inner loop, inhale the high temperature transformer oil on transformer upper portion in the 1 left side cavity of box through semiconductor refrigeration piece 7 and cool down to transformer inside when realizing the inside oil level of automatic adjustment transformer, improve the stability of transformer operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art.

Claims

1. A transformer conservator is characterized by comprising a hollow box body (1), a cylinder (3) and a vent pipe (4) which are arranged at the top of the box body (1), a connecting pipe (2) which is arranged at the bottom of the box body (1), and a telescopic plate (6) and a push plate (5) which are connected with the inner wall of the box body (1) in a sliding way, wherein a first vertical partition plate (1-4) which divides a cavity of the box body (1) into a left part and a right part is arranged in the box body (1), a mounting hole (1-5) which is communicated with the vent pipe (4) and a plurality of vent holes (1-6) are arranged at the top of a left cavity of the box body (1), the cylinder (3) is arranged at the top of a right cavity of the box body (1), a piston rod of the cylinder (3) is fixedly connected with the push plate (5), a second one-way valve (1-, the bottom of a left cavity of the box body (1) is provided with a first one-way valve (1-1), the bottom of a right cavity is provided with a third one-way valve (1-3), the three one-way valves control the flow direction of cooling oil to flow from the left cavity of the box body (1) to the right cavity of the box body (1) through the second one-way valve (1-2), flow from the right cavity of the box body (1) to the connecting pipe (2) through the third one-way valve (1-3), flow from the connecting pipe (2) to the left cavity of the box body (1) through the first one-way valve (1-1), the top surface of the expansion plate (6) is provided with an expansion support rod (6-1) connected with the top of the box body (1), the top surface of the expansion plate (6) is provided with a plurality of semiconductor refrigeration sheets (7), and the refrigeration surface of the semiconductor refrigeration sheets, an electric fan is arranged in the ventilation pipe (4), the cylinder (3), the electric fan and the semiconductor refrigerating sheet (7) are electrically connected with an external power supply, and a second partition plate (2-1) for separating the first check valve (1-1) and the third check valve (1-3) is arranged in the middle of the connecting pipe (2).

2. The transformer conservator according to claim 1, wherein a plurality of heat conducting fins (6-2) are arranged on the lower bottom surface of the expansion plate (6).

3. The transformer conservator according to claim 1, wherein the side walls of the expansion plate (6) and the push plate (5) are provided with sealing rings connected with the inner wall of the tank body (1) in a sliding manner.

4. The transformer conservator as claimed in claim 1, wherein the telescopic support rod (6-1) is a gas rod.

5. The transformer conservator as claimed in claim 1, wherein a third partition (9) inclined towards the left side is arranged on the bottom plate of the left cavity of the tank (1).