CN-224232448-U - Transformer oil storage assembly and transformer

CN224232448UCN 224232448 UCN224232448 UCN 224232448UCN-224232448-U

Abstract

The utility model belongs to the technical field of transformers and discloses a transformer oil storage assembly and a transformer, wherein the transformer oil storage assembly comprises an oil tank and an oil storage mechanism, the oil tank is provided with an oil storage cavity, a temperature detection part is arranged on the oil tank and used for detecting the temperature of oil in the oil storage cavity, the oil storage mechanism comprises a first oil storage tank and a second oil storage tank, the first oil storage tank and the second oil storage tank are both arranged on the oil tank, the first oil storage tank is communicated with the oil storage cavity through a first oil conveying pipe, a switch valve is arranged on the first oil conveying pipe, and the second oil storage tank is communicated with the oil storage cavity through a second oil conveying pipe; the transformer comprises the transformer oil storage assembly, a transformer body and an oil tank fixedly connected with the transformer body. The transformer oil storage assembly provided by the utility model can realize compensation oil supply for the oil tank of the transformer, and effectively avoid the overhigh temperature of oil in the oil tank.

Inventors

HUANG ZHIQIANG
Hou Xukun
SONG XINQIN
Hong Juanxia
Chu Fengyue
SU ZHONGXIN
GAO LAIZHI
Mao xinyi
YANG WENJIE

Assignees

正泰电气股份有限公司

Dates

Publication Date: 20260512
Application Date: 20250427

Claims (10)

1. A transformer oil storage assembly, comprising: The oil tank (1) is provided with an oil storage cavity, the oil tank (1) is provided with a temperature detection piece (11), and the temperature detection piece (11) is used for detecting the temperature of oil in the oil storage cavity; The oil storage mechanism comprises a first oil storage cabinet (2) and a second oil storage cabinet (3), wherein the first oil storage cabinet (2) and the second oil storage cabinet (3) are all arranged on the oil tank (1), the first oil storage cabinet (2) is communicated with the oil storage cavity through a first oil conveying pipe (21), a switch valve (211) is arranged on the first oil conveying pipe (21), and the second oil storage cabinet (3) is communicated with the oil storage cavity through a second oil conveying pipe (31).
2. Transformer oil storage assembly according to claim 1, characterized in that the oil tank (1) is provided with an oil inlet manifold (12) communicated with the oil storage cavity, and the first oil delivery pipe (21) and the second oil delivery pipe (31) are both communicated with the oil inlet manifold (12).
3. A transformer oil storage assembly according to claim 2, characterized in that the oil inlet manifold (12) is provided with a gas relay (13).
4. The transformer oil storage assembly according to claim 2, wherein the first oil storage tank (2) and the second oil storage tank (3) are both located above the oil tank (1), oil in the first oil storage tank (2) can enter the oil storage cavity through the first oil conveying pipe (21) and the oil inlet main pipe (12) under the action of gravity, and oil in the second oil storage tank (3) can enter the oil storage cavity through the second oil conveying pipe (31) and the oil inlet main pipe (12) under the action of gravity.
5. The transformer oil storage assembly according to claim 4, further comprising a heat dissipation element (4), wherein the heat dissipation element (4) is arranged on the oil tank (1) and is used for dissipating heat of oil in the oil storage cavity.
6. The transformer oil storage assembly according to claim 4, wherein the first oil delivery pipe (21) is provided with a first pipe joint (22), and the second oil delivery pipe (31) is provided with a second pipe joint (32).
7. Transformer oil storage assembly according to claim 1, characterized in that the first oil storage tank (2) and the second oil storage tank (3) are arranged at intervals on opposite sides of the oil tank (1).
8. The transformer oil storage assembly according to claim 7, wherein the oil tank (1) is provided with a first bracket (14), a second bracket (15), a third bracket (16) and a fourth bracket (17), The first oil storage cabinet (2) is fixedly supported on the first bracket (14); the second oil storage cabinet (3) is fixedly supported on the second bracket (15); The first oil delivery pipe (21) is fixedly supported on the third bracket (16); The second oil delivery pipe (31) is fixedly supported on the fourth bracket (17).
9. Transformer oil storage assembly according to claim 1, further comprising a control member (5) fixed to the oil tank (1), the temperature detecting member (11) and the on-off valve (211) being in communication with the control member (5).
10. A transformer, characterized by comprising a transformer oil storage assembly according to any one of claims 1-9, and further comprising a transformer body, said oil tank (1) being fixedly connected to said transformer body.

Description

Transformer oil storage assembly and transformer Technical Field The utility model relates to the technical field of transformers, in particular to a transformer oil storage assembly and a transformer. Background At present, the configuration mode of an oil immersed transformer in the industry is to configure an oil storage tank at the top of an oil tank of the transformer, and oil in the oil tank can change in volume due to expansion with heat and contraction with cold, so that oil compensation in the oil tank is realized by arranging the oil storage tank. In the prior art, the transformer is often configured as a single oil storage tank, if the size of the tank body is too small, the oil compensation capacity is limited, and if the size of the tank body is too large, the transformer is not easy to transport, install and maintain. In addition, the setting of single oil storage cabinet lacks the timely control to the oil temperature in the oil tank, and after the oil in the single oil storage cabinet compensates to the oil tank, along with the oil temperature in the continuous working oil tank of transformer can rise gradually again, lacks the effective suppression to the oil intensification, influences the job stabilization nature of transformer. Disclosure of utility model The utility model aims to provide a transformer oil storage assembly which can realize compensation oil supply for an oil tank of a transformer and effectively avoid overhigh temperature of oil in the oil tank. To achieve the purpose, the utility model adopts the following technical scheme: a transformer oil storage assembly comprising: The oil tank is provided with an oil storage cavity, and is provided with a temperature detection part which is used for detecting the temperature of oil in the oil storage cavity; The oil storage mechanism comprises a first oil storage cabinet and a second oil storage cabinet, wherein the first oil storage cabinet and the second oil storage cabinet are both arranged on the oil tank, the first oil storage cabinet is communicated with the oil storage cavity through a first oil conveying pipe, a switch valve is arranged on the first oil conveying pipe, and the second oil storage cabinet is communicated with the oil storage cavity through a second oil conveying pipe. Preferably, the oil tank is provided with an oil inlet main pipe communicated with the oil storage cavity, and the first oil conveying pipe and the second oil conveying pipe are both communicated with the oil inlet main pipe. Preferably, the oil inlet main pipe is provided with a gas relay. Preferably, the first oil storage tank and the second oil storage tank are both located above the oil tank, oil in the first oil storage tank can enter the oil storage cavity through the first oil delivery pipe and the oil inlet main pipe under the action of gravity, and oil in the second oil storage tank can enter the oil storage cavity through the second oil delivery pipe and the oil inlet main pipe under the action of gravity. Preferably, the oil tank further comprises a heat dissipation piece, wherein the heat dissipation piece is arranged on the oil tank and used for dissipating heat of oil in the oil storage cavity. Preferably, the first oil delivery pipe is provided with a first pipe joint, and the second oil delivery pipe is provided with a second pipe joint. Preferably, the first oil storage tank and the second oil storage tank are arranged at two opposite sides of the oil tank at intervals. Preferably, the oil tank is provided with a first bracket, a second bracket, a third bracket and a fourth bracket, wherein, The first oil storage cabinet is fixedly supported on the first bracket; the second oil storage cabinet is fixedly supported on the second bracket; The first oil delivery pipe is fixedly supported on the third bracket; The second oil delivery pipe is fixedly supported on the fourth bracket. Preferably, the device further comprises a control piece fixed on the oil tank, and the temperature detection piece and the switch valve are both in communication connection with the control piece. The utility model also provides a transformer, which comprises the transformer oil storage assembly, realizes the function of compensating oil supply, and effectively avoids the overhigh temperature of oil in the oil tank. The transformer comprises the transformer oil storage assembly as claimed in any one of the above, and further comprises a transformer body, wherein the oil tank is fixedly connected with the transformer body. The beneficial effects are that: The transformer oil storage assembly comprises an oil tank and an oil storage mechanism, wherein the oil storage mechanism comprises a first oil storage cabinet and a second oil storage cabinet. The first oil storage cabinet is communicated with the oil storage cavity through a first oil conveying pipe, the second oil storage cabinet is communicated with the oil storage cavity through a second oil conve