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CN-122000168-A - Anti-condensation oil immersed transformer insulation protection structure

CN122000168ACN 122000168 ACN122000168 ACN 122000168ACN-122000168-A

Abstract

The invention provides an anti-condensation insulation protection structure of an oil immersed transformer, which relates to the technical field of oil immersed transformer protection and comprises a connection support piece, an auxiliary maintenance piece, an insulation protection piece and an air drying piece; the automatic oil immersed transformer maintenance device comprises an oil immersed transformer, an insulating protection piece, an air drying piece, a connecting support piece, a controller, a movable sealing door and a maintenance cabinet door, wherein the auxiliary maintenance piece is arranged on the connecting support piece and used for assisting workers in maintaining the oil immersed transformer, the insulating protection piece is arranged on the top of the connecting support piece, the air drying piece is arranged on the insulating protection piece and used for pre-drying air entering the insulating protection piece, the oil immersed transformer is arranged on the top of the connecting support piece, the controller is arranged at the bottom of the connecting support piece, the automatic resetting of the movable sealing door is realized, the movable sealing door is in a reset state when the maintenance of the oil immersed transformer is completed, and the problem that the maintenance cabinet door is easy to forget to close after the maintenance of the oil immersed transformer is completed, and the subsequent protection effect is affected is solved.

Inventors

  • XU BAOSHAN

Assignees

  • 天津市祥源安高中频电源变压器有限公司

Dates

Publication Date
20260508
Application Date
20260327

Claims (10)

  1. 1. An anti-condensation insulation protection structure of an oil immersed transformer is used for protecting the oil immersed transformer (300), and comprises a connection support (100), an auxiliary maintenance piece (200), an insulation protection piece (400) and an air drying piece (500), and is characterized in that the auxiliary maintenance piece (200) is installed on the connection support (100), the auxiliary maintenance piece (200) is used for assisting workers in maintaining the oil immersed transformer (300), the insulation protection piece (400) is installed on the top of the connection support (100), the air drying piece (500) is installed on the insulation protection piece (400), the air drying piece (500) is used for drying air entering the insulation protection piece (400) in advance, the oil immersed transformer (300) is installed on the top of the connection support (100), and a controller (600) is installed on the bottom of the connection support (100), and the controller (600) is used for controlling the insulation protection piece (400) and the air drying piece (500).
  2. 2. The anti-condensation oil immersed transformer insulation protection structure according to claim 1 is characterized in that the connecting support piece (100) comprises a metal support seat (101), connecting hoops (102) and limiting screw nails (103), wherein the connecting hoops (102) are provided with two in total, the two connecting hoops (102) are slidably mounted on the metal support seat (101), the limiting screw nails (103) are provided with two groups in total, the two groups of limiting screw nails (103) are in threaded connection on the metal support seat (101), and the bottoms of the two groups of limiting screw nails (103) are in contact with the two connecting hoops (102).
  3. 3. The anti-condensation oil immersed transformer insulation protection structure according to claim 2, wherein the connecting support (100) further comprises a movable stress rod (104), movable positioning blocks (105) and supporting springs a (106), the movable stress rod (104) is slidably mounted in the metal support base (101), round corners are arranged at the rear ends of the movable stress rod (104), the movable positioning blocks (105) are slidably mounted in the metal support base (101), the front ends of the movable positioning blocks (105) are of inclined structures, two supporting springs a (106) are arranged in total, and the two supporting springs a (106) are fixedly mounted on the movable stress rod (104) and the movable positioning blocks (105).
  4. 4. The anti-condensation oil immersed transformer insulation protection structure according to claim 3, wherein the connecting support (100) further comprises a rectangular reset seat (107) and a support spring b (108), the rectangular reset seat (107) is fixedly arranged inside the metal support seat (101), and the support spring b (108) is fixedly arranged on the movable stress rod (104) and the rectangular reset seat (107).
  5. 5. The anti-condensation oil immersed transformer insulation protection structure according to claim 3, wherein the auxiliary maintenance piece (200) comprises a movable mounting frame (201), a round limiting disc (202) and a supporting spring c (203), the movable mounting frame (201) is slidably mounted on a metal supporting seat (101), an arc-shaped storage groove (2011) is formed in the front side of the movable mounting frame (201), the rear end of a movable stress rod (104) is inserted into the arc-shaped storage groove (2011), the round limiting disc (202) is fixedly mounted on the top end of the movable mounting frame (201), the supporting spring c (203) is sleeved on the movable mounting frame (201), and the supporting spring c (203) is located between the metal supporting seat (101) and the round limiting disc (202).
  6. 6. The anti-condensation oil immersed transformer insulation protection structure according to claim 5, wherein the auxiliary maintenance piece (200) further comprises an auxiliary ladder (204) and a rectangular magnet (205), the auxiliary ladder (204) is rotatably mounted on the movable mounting frame (201), the rectangular magnet (205) is fixedly mounted on the auxiliary ladder (204), and the top of the rectangular magnet (205) is in contact with the metal supporting seat (101).
  7. 7. The anti-condensation oil immersed transformer insulation protection structure according to claim 3, wherein the insulation protection piece (400) comprises an insulation protection cover (401), guide installation seats (402) and round guide rods (403), the insulation protection cover (401) is fixedly installed on the top of the metal support seat (101), four guide installation seats (402) are arranged in total, the four guide installation seats (402) are fixedly installed on the front side of the insulation protection cover (401), two round guide rods (403) are arranged in total, and the two round guide rods (403) are fixedly installed on the four guide installation seats (402).
  8. 8. The anti-condensation oil immersed transformer insulation protection structure according to claim 7, wherein the insulation protection piece (400) further comprises a movable sealing door (404), a fan (405) and supporting springs d (406), the movable sealing door (404) is slidably mounted on two circular guide rods (403), an inclined limiting groove (4041) is formed in the rear side of the movable sealing door (404), the inclined limiting groove (4041) is matched with the front end of the movable positioning block (105), the fan (405) is fixedly mounted on the insulation protection cover (401), the fan (405) is electrically connected with the controller (600), two supporting springs d (406) are arranged in total, the two supporting springs d (406) are sleeved outside the two circular guide rods (403), and the two supporting springs d (406) are located between the two guide mounting seats (402) below and the movable sealing door (404).
  9. 9. The anti-condensation oil immersed transformer insulation protection structure according to claim 7, wherein the air drying piece (500) comprises an auxiliary drying shell (501), a servo motor (502) and a humidity sensor (503), the auxiliary drying shell (501) is fixedly arranged on the right side of the insulation protection cover (401), a drying agent is arranged in the auxiliary drying shell (501), a rectangular through hole (5011) is formed in the bottom end of the auxiliary drying shell (501), the servo motor (502) is fixedly arranged on the auxiliary drying shell (501) and is electrically connected with the controller (600), the humidity sensor (503) is fixedly arranged on the auxiliary drying shell (501), and the humidity sensor (503) is electrically connected with the controller (600).
  10. 10. The anti-condensation oil immersed transformer insulation protection structure according to claim 9, wherein the air drying piece (500) further comprises a sealing top cover (504), a drying impeller (505) and circular metal nets (506), the sealing top cover (504) is connected to the top end of the auxiliary drying shell (501) in a threaded mode, the drying impeller (505) is arranged in the auxiliary drying shell (501) and fixedly connected with an output shaft of the servo motor (502), the number of the circular metal nets (506) is two, the two circular metal nets (506) are fixedly installed on the left side and the right side of the drying impeller (505), and the outer sides of the two circular metal nets (506) are in contact with the inner wall of the auxiliary drying shell (501).

Description

Anti-condensation oil immersed transformer insulation protection structure Technical Field The invention belongs to the technical field of protection of oil-immersed transformers, and particularly relates to an anti-condensation insulating protection structure of an oil-immersed transformer. Background The oil immersed transformer ‌ is a power device which is formed by immersing an iron core and a winding in insulating oil completely, realizes insulation, heat dissipation and aging resistance by utilizing oil, realizes voltage conversion by an electromagnetic induction principle, is widely applied to power transmission and distribution systems, effectively isolates moisture and oxygen by an oil medium, prolongs the service life of internal elements, and simultaneously efficiently dissipates heat by natural or forced oil circulation. The existing oil-immersed transformer has the problems that 1, maintenance efficiency of the oil-immersed transformer is affected because workers cannot be assisted in maintaining the oil-immersed transformer, 2, after maintenance of the oil-immersed transformer is completed, a maintenance cabinet door is easy to forget to close, a subsequent protection effect is affected, and 3, moisture in air cannot be assisted in removing when air humidity is high, and condensation of the oil-immersed transformer is easy to occur. Disclosure of Invention The embodiment of the disclosure relates to an anti-condensation oil immersed transformer insulation protection structure, which is provided with a connection support piece, an auxiliary maintenance piece, an insulation protection piece and an air drying piece, is convenient for workers to maintain the oil immersed transformer through the auxiliary ladder, has a positioning function on the folded auxiliary ladder by rectangular magnets, realizes automatic resetting of a movable sealing door, ensures that the movable sealing door is in a resetting state when the maintenance of the oil immersed transformer is completed, has an auxiliary removal function on moisture in the air by enabling outside air to pass through drying agents of corresponding parts of two circular metal meshes, and solves the problems that the workers cannot be assisted in maintaining the oil immersed transformer, the maintenance cabinet door is easy to forget to be closed, and the moisture in the air cannot be removed in an auxiliary manner when the air humidity is high. The invention provides an insulation protection structure of an anti-condensation oil immersed transformer, which is used for protecting the oil immersed transformer and comprises a connecting support piece, an auxiliary maintenance piece, an insulation protection piece and an air drying piece, wherein the auxiliary maintenance piece is arranged on the connecting support piece and is used for assisting workers in maintaining the oil immersed transformer, the insulation protection piece is arranged on the top of the connecting support piece, the air drying piece is arranged on the insulation protection piece and is used for drying air entering the insulation protection piece in advance, the oil immersed transformer is arranged on the top of the connecting support piece, and a controller is arranged at the bottom of the connecting support piece and is used for controlling the insulation protection piece and the air drying piece. In at least some embodiments, the connecting support piece comprises a metal support seat, two connecting hoops and limiting screw nails, wherein the two connecting hoops are arranged in total and are slidably mounted on the metal support seat, the two limiting screw nails are arranged in total and are in threaded connection with the metal support seat, and the bottoms of the two limiting screw nails are in contact with the two connecting hoops. In at least some embodiments, the connecting support piece further comprises a movable stress rod, a movable positioning block and two supporting springs a, wherein the movable stress rod is slidably arranged in the metal support seat, a round corner is arranged at the rear end of the movable stress rod, the movable positioning block is slidably arranged in the metal support seat, the front end of the movable positioning block is of an inclined surface structure, the two supporting springs a are arranged in total, and the two supporting springs a are fixedly arranged on the movable stress rod and the movable positioning block. In at least some embodiments, the connecting support piece further comprises a rectangular reset seat and a support spring b, wherein the rectangular reset seat is fixedly arranged in the metal support seat, and the support spring b is fixedly arranged on the movable stress rod and the rectangular reset seat. In at least some embodiments, the auxiliary maintenance piece comprises a movable mounting frame, a circular limiting disc and a supporting spring c, wherein the movable mounting frame is slidably mounted on a meta