Search

CN-224232451-U - Transformer tank with deformation monitoring function

CN224232451UCN 224232451 UCN224232451 UCN 224232451UCN-224232451-U

Abstract

The transformer tank with the deformation monitoring function comprises a tank shell plate, a tank bottom plate and a tank top plate, wherein the tank bottom plate and the tank top plate are used for sealing the upper end and the lower end of the tank shell plate, the tank shell plate is manufactured by bending a rectangular shell plate main body and then welding the head and the tail, a detection groove and a positioning sink groove are formed in the outer side face of the shell plate main body, the positioning sink groove is arranged at the position, away from the bending position of the shell main body, of the tank shell plate, radiating fins are arranged at the positioning sink groove, a yielding groove is formed in one side, away from the tank shell plate, of the radiating fins, the yielding groove is communicated with the detection groove and is provided with a plurality of optical fiber sensors in a distributed mode, and an outlet end of a fiber grating demodulator is arranged to be connected with the optical fiber along the yielding groove and the detection groove in sequence, and then connected with an inlet end. The box shell plate is formed by arranging the shell plate main body for bending, so that the optical fiber arrangement is smoother, and a large number of bending caused by height difference in the optical fiber arrangement process can be avoided by arranging the positioning sink.

Inventors

  • BAI ZONGFENG
  • ZHOU WEIFENG
  • Ji Maoqian

Assignees

  • 泰安中泰智能电力科技有限公司

Dates

Publication Date
20260512
Application Date
20250612

Claims (10)

  1. 1. A transformer oil tank with deformation monitoring comprises a tank shell plate (1), a tank bottom plate (2) and a tank top plate (3), wherein the tank bottom plate is used for sealing the upper end and the lower end of the tank shell plate (1); The box body shell plate (1) is manufactured by bending a rectangular shell plate main body (11) and then welding the ends, a detection scratch groove (12) and a positioning sink groove (13) are arranged on the outer side surface of the shell plate main body (11), and the positioning sink groove (13) is arranged avoiding the bending position of the shell body; The box shell plate (1) is provided with radiating fins (4) at the positioning sink groove (13), one side of the radiating fins (4) away from the box shell plate (1) is provided with a yielding groove (42), and the yielding groove (42) is communicated with the detection groove (12) and is provided with a plurality of optical fiber sensors in a distributed manner; The outlet end of the fiber bragg grating demodulator (5) is connected with the fiber trailing edge abdication groove (42) and the detection groove (12) which are sequentially connected with a plurality of fiber sensors in series and then connected to the inlet end.
  2. 2. Transformer tank with deformation monitoring according to claim 1, characterized in that the detection groove (12) and the positioning groove (13) are symmetrically arranged on the shell plate main body (11).
  3. 3. Transformer tank with deformation monitoring according to claim 1, characterized in that the depth of the positioning sink (13) is greater than the depth of the detection scribe (12).
  4. 4. Transformer tank with deformation monitoring according to claim 1, characterized in that the heat radiation fins (4) comprise mounting plates (41) corresponding to the positioning sink (13), and the side of the mounting plates (41) away from the tank shell plate (1) is provided with fins (43), and the fins (43) are vertical and avoid the yielding groove (42).
  5. 5. The transformer tank with deformation monitoring according to claim 4, wherein a heat conducting filling layer composed of epoxy resin, aluminum powder and silane coupling agent is arranged between the mounting plate (41) and the positioning sink (13).
  6. 6. Transformer tank with deformation monitoring according to claim 5, characterized in that the mounting plate (41) is welded to the tank shell plate (1).
  7. 7. Transformer tank with deformation monitoring according to claim 1, characterized in that the detection groove (12) is spaced from the edge of the shell plate body (11).
  8. 8. A transformer tank with deformation monitoring according to claim 1, characterized in that the number of said optical fiber sensors on the same horizontal plane is greater than 1.
  9. 9. A transformer tank with deformation monitoring according to claim 1, characterized in that the number of said optical fiber sensors on the same vertical plane is greater than 1.
  10. 10. Transformer tank with deformation monitoring according to claim 1, characterized in that the detection score groove (12) covers all vertical surfaces outside the tank shell plate (1).

Description

Transformer tank with deformation monitoring function Technical Field The utility model relates to the technical field of oil immersed transformers, in particular to a transformer oil tank with deformation monitoring. Background The transformer tank is in the unexpected problem of deformation back, appears leaking oil and conflagration easily to once the oil tank warp, even leak oil and also probably lead to inside structure to suffer the extrusion and then appear the problem of poor contact or partial point of putting, therefore, under the present circumstances, need detect the box of transformer tank at intervals in order to ensure its normal structure, but under some circumstances, for example, the transformer oil temperature that long-term delivery led to rise and then lead to inside pressure to rise and cause the deformation of transformer tank very easily, under this kind of circumstances, current oil immersed transformer appearance deformation can't obtain timely feedback, causes unexpected accident very easily. Disclosure of utility model In order to solve the problem that the transformer tank change cannot be fed back in real time, the utility model provides a transformer tank with deformation monitoring. The technical scheme of the utility model is as follows: A transformer oil tank with deformation monitoring function comprises a tank shell plate, a tank bottom plate and a tank top plate, wherein the tank bottom plate and the tank top plate are used for sealing the upper end and the lower end of the tank shell plate; The box shell plate is manufactured by bending a rectangular shell plate main body and then welding the ends, a detection scratch groove and a positioning sink groove are formed in the outer side face of the shell plate main body, and the positioning sink groove is arranged at a position avoiding the bending position of the shell main body; The box shell plate is provided with radiating fins at the positioning sink groove, one side of the radiating fins, which is away from the box shell plate, is provided with a yielding groove, and the yielding groove is communicated with the detection groove and is provided with a plurality of optical fiber sensors in a distributed manner; And an outlet end of the fiber bragg grating demodulator is connected with an optical fiber trailing edge abdication groove and a detection groove which are sequentially connected with a plurality of optical fiber sensors in series and then connected to an inlet end. Deformation quantity detection is carried out on the transformer oil tank through the optical fiber sensor, once the transformer oil tank has a problem, feedback and processing can be carried out in time, and compared with the existing detection mode, the method is more timely. In order to facilitate processing, the detection scratch groove and the positioning sink groove are symmetrically arranged on the shell plate main body. Through the mode, the processing is convenient, and meanwhile, the standardized bending and welding operation is convenient. In order to ensure that the arranged radiating fins can also be used for arranging the optical fiber sensor, the depth of the positioning sinking groove is larger than that of the detection scribing groove. The radiating fins comprise mounting plates corresponding to the positioning sinking grooves, fins are arranged on one sides of the mounting plates, far away from the shell plates of the box body, and the fins are vertical and avoid the arrangement of the abdicating scribing grooves. In order to ensure the bonding heat conduction effect, a heat conduction filling layer composed of epoxy resin, aluminum powder and a silane coupling agent is arranged between the mounting plate and the positioning sink. As a connection scheme, the mounting plate is welded with the case shell plate. In order to ensure the penetrability of the scratch, the detection scratch is spaced from the edge of the shell plate main body. As a preferred solution, the number of the optical fiber sensors on the same horizontal plane is greater than 1. As a preferred solution, the number of said optical fiber sensors on the same vertical plane is greater than 1. In order to ensure the covering effect of deformation monitoring, the detection scratch groove covers all vertical surfaces on the outer side of the box shell plate. The transformer oil tank with deformation monitoring has the advantages that the processing mode of an existing transformer oil tank is changed, the tank shell plate is formed by arranging the shell plate main body to carry out bending processing, and a mode of welding connection by using a plurality of vertical plates is not adopted, so that the penetrability of a detection scratch groove can be ensured, the fiber arrangement is smoother, the radiating fins can be prevented from protruding outwards by arranging the positioning sink grooves, a large number of bending can be avoided in the fiber arrangement process, t