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CN-224234055-U - Anti-interference shielding cover for transformer winding deformation detection

CN224234055UCN 224234055 UCN224234055 UCN 224234055UCN-224234055-U

Abstract

The utility model discloses an anti-interference shielding cover for transformer winding deformation detection, and relates to the technical field of transformer detection equipment. According to the utility model, the shielding cover main body, the movable door and the top plate are arranged to form the shielding structure for wrapping the transformer winding, electromagnetic interference of the external environment to the transformer winding can be isolated in the detection process of the transformer winding, the plurality of heat conducting copper pipes are arranged in the middle of the top plate, the heat conducting copper pipes are provided with the horizontal parts and the inclined parts, the horizontal parts can realize heat exchange with the heat in the air in the shielding structure through the heat conducting fins on the outer sides of the horizontal parts, and the inclined parts can realize heat exchange between the heat in the heat conducting copper pipes and the external air through the heat radiating fins on the outer sides of the horizontal parts, so that the electromagnetic interference resistance to the transformer winding is realized, and meanwhile, the damage to the transformer winding caused by heat accumulation is avoided.

Inventors

  • ZHONG DANTIAN
  • CHEN CHEN
  • LIU XINTONG
  • YANG YONGFENG
  • LI XIANGYANG
  • XU LIYING
  • NA ZHENG
  • HAN GANG
  • XU AORAN
  • GU CAILIAN
  • GAO JING
  • YU LI
  • QIU WEI
  • GAO ZHENGUO

Assignees

  • 沈阳工程学院

Dates

Publication Date
20260512
Application Date
20250415

Claims (6)

  1. 1. The anti-interference shielding cover for transformer winding deformation detection comprises a shielding cover main body (1) and a movable door (2) which is slidably arranged in the shielding cover main body (1), and is characterized in that a through groove (3) is formed in the top end of the shielding cover main body (1), a top plate (4) is slidably arranged in the through groove (3), the top plate (4) is fixedly arranged on the inner top end of the movable door (2), a plurality of heat conducting copper pipes (5) are fixedly arranged in the middle of the top plate (4), a horizontal part (6) is fixedly arranged at the bottom end of the heat conducting copper pipes (5), the horizontal part (6) is arranged below the top plate (4), a plurality of heat conducting fins (7) are sequentially and fixedly arranged in the middle of the horizontal part, the plurality of heat conducting fins (7) are all vertically arranged, the plurality of heat conducting fins (7) are all of wave structures, the top end of the heat conducting copper pipes (5) are fixedly provided with inclined parts (8), the inclined parts (8) are arranged above the top plate (4), the middle of the inclined parts (8) are fixedly provided with a plurality of heat conducting copper pipes (9), the heat radiating fins (9) are fixedly arranged on the top plate (4) in sequence, and a plurality of cooling fans (10) are respectively arranged at one ends of the cooling fins (9).
  2. 2. The anti-interference shielding case for transformer winding deformation detection according to claim 1, wherein sliding grooves (11) are formed in inner walls of two sides of the shielding case main body (1), sliding blocks (12) are fixedly arranged on two sides of the movable door (2), and the two sliding blocks (12) are respectively slidably arranged in the two sliding grooves (11).
  3. 3. The anti-interference shielding case for transformer winding deformation detection according to claim 1, wherein a transmission shaft (13) is rotatably arranged at the top end of the outer side wall of the shielding case main body (1), transmission gears (14) are fixedly arranged at two ends of the transmission shaft (13), two racks (15) are fixedly arranged on the outer side surface of the movable door (2), and the two racks (15) are respectively meshed with the two transmission gears (14).
  4. 4. The anti-interference shielding cover for transformer winding deformation detection according to claim 3, wherein a motor (16) is fixedly arranged at the top end of the outer side wall of the shielding cover main body (1), and a worm gear box is arranged between an output shaft of the motor (16) and one end of the transmission shaft (13).
  5. 5. The anti-interference shielding cover for transformer winding deformation detection according to claim 1, wherein a track (17) is fixedly arranged at the bottom end of the shielding cover main body (1), a sliding table (18) is arranged above the track (17), and pulleys (19) matched with the track (17) are rotatably arranged at four corners of the lower surface of the sliding table (18).
  6. 6. The anti-interference shielding case for detecting transformer winding deformation according to claim 1, wherein a winding deformation detector (20) is fixedly arranged in the middle of the outer side wall of the shielding case main body (1).

Description

Anti-interference shielding cover for transformer winding deformation detection Technical Field The utility model relates to the technical field of transformer detection equipment, in particular to an anti-interference shielding cover for transformer winding deformation detection. Background The transformer winding is a circuit part of a transformer, is formed by winding copper wires or aluminum wires with higher conductivity, is applied to a power system, and can be damaged and cannot work if deformed during the working process, so that a transformer winding deformation detector is often required to detect the winding inside the transformer. The transformer winding deformation detector is mainly used for detecting the amplitude-frequency response characteristics of each winding of the transformer, comparing the detection results longitudinally or transversely and judging the winding deformation possibly occurring in the transformer according to the variation degree of the amplitude-frequency response characteristics, so that an overhauler can overhauls the winding deformation in time. In the prior art, an electromagnetic shielding cover of metal is additionally arranged between a transformer and a detector to isolate the influence of the external environment on the detection process, but the deformation detection of the transformer winding needs to last for a plurality of hours, and heat generated by the transformer winding can be in the metal shielding cover during the period to cause overheat damage of the device. Therefore, it is necessary to solve the above problems by inventing an anti-interference shield for detecting deformation of a transformer winding. Disclosure of utility model The utility model aims to provide an anti-interference shielding case for detecting deformation of a transformer winding, so as to solve the problems in the background art. The anti-interference shielding cover for transformer winding deformation detection comprises a shielding cover main body and a movable door slidably arranged in the shielding cover main body, wherein a through groove is formed in the top end of the shielding cover main body, a top plate is slidably arranged in the through groove and fixedly arranged at the top end of the inner side of the movable door, a plurality of heat conduction copper pipes are fixedly arranged in the middle of the top plate, a horizontal part is fixedly arranged at the bottom end of each heat conduction copper pipe, the horizontal part is arranged below the top plate, a plurality of heat conduction fins are sequentially and horizontally fixedly arranged in the middle of each horizontal part, the plurality of heat conduction fins are vertically arranged, the plurality of heat conduction fins are of a wave structure, the top end of each heat conduction copper pipe is fixedly provided with an inclined part, the inclined part is arranged above the top plate, a plurality of heat dissipation fins are fixedly arranged in the middle of the inclined part, the heat dissipation fins are of an inclined structure, a plurality of heat dissipation fans are sequentially and fixedly arranged on the upper surface of the top plate, and the plurality of heat dissipation fans are respectively arranged at one ends of the heat dissipation fins. Preferably, the inner walls of the two sides of the shielding cover main body are provided with sliding grooves, the two sides of the movable door are fixedly provided with sliding blocks, and the two sliding blocks are slidably arranged in the two sliding grooves respectively. Preferably, the rotatable transmission shaft that is equipped with in lateral wall top of shield cover main part, the both ends of transmission shaft are all fixed and are equipped with drive gear, the lateral surface of dodge gate is fixed and is equipped with two racks, and two racks all mesh with two drive gear respectively. Preferably, a motor is fixedly arranged at the top end of the outer side wall of the shielding cover main body, and a worm gear box is arranged between an output shaft of the motor and one end of the transmission shaft. Preferably, the bottom end fixing of shield cover main part is equipped with the track, orbital top is equipped with the slip table, the lower surface four corners department of slip table all rotatable be equipped with the pulley of track looks adaptation. Preferably, a winding deformation detector is fixedly arranged in the middle of the outer side wall of the shielding cover main body. The utility model has the technical effects and advantages that: 1. According to the utility model, the shielding cover main body, the movable door, the through groove and the top plate are arranged, so that the shielding cover main body, the movable door and the top plate form a shielding structure for wrapping the transformer winding, electromagnetic interference of the external environment to the transformer winding can be isolated in the detection process of t