Oil-immersed transformer with oil pressure adjusting function

Abstract

The utility model relates to the technical field of oil-immersed transformers, in particular to an oil-immersed transformer with an oil pressure adjusting function, which comprises a transformer main body, the top end of the transformer main body is connected with a transformer oil tank through support welding, and the transformer oil tank is communicated with the transformer main body through an oil flow pipe. An adjusting mechanism is fixedly connected to the outer wall of the oil flow pipe through a flange, and a plurality of heat dissipation mechanisms are fixedly connected to the periphery of the outer wall of the transformer body through threads. According to the utility model, the oil flow of the transformer in the oil flow pipe can be adjusted and controlled through the mutual matching of internal parts of the adjusting mechanism, so that the work of the transformer main body under different loads is met; and through mutual cooperation of internal parts of the heat dissipation mechanism, a plurality of copper heat conduction rods can be conveniently installed according to working threads of the transformer body under different loads, the heat dissipation efficiency of the transformer body is improved, and therefore the stability of the transformer body is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil -immersed transformer technical field, concretely relates to a kind of oil-immersed transformer with oil pressure regulating function. BACKGROUND

[0002] Oil-immersed transformer is a kind of voltage conversion device using oil cooling technology to minimize transformer temperature, is widely applied in industrial and mining enterprises and civil building power supply system. It converts high voltage into low voltage suitable for user use, ensures the stability and reliability of power supply. Oil-immersed transformer is mainly composed of core, winding, oil tank, radiator, oil pillow, gas relay, insulating sleeve, explosion-proof tube and other parts.

[0003] Transformer oil is not only provided as insulation and cooling medium, but also helps to reduce eddy current loss, and through cooling system, transformer oil circulates in oil-immersed transformer, so as to maintain stable oil temperature, so oil-immersed transformer has good stability and insulation performance, and oil-immersed transformer needs to adjust input and output current when used, to meet different load conditions, so that the flow and oil pressure of transformer oil in oil-immersed transformer will also be adjusted.

[0004] Therefore, it is necessary to provide an oil-immersed transformer with oil pressure regulating function to solve the above problems. INVENTION CONTENTS

[0005] The utility model aims at providing an oil-immersed transformer with oil pressure regulating function, which can adjust and control the flow of transformer oil in the oil flow pipe by the mutual cooperation of internal parts of the adjusting mechanism, so as to meet the work of the transformer body under different loads. By the mutual cooperation of internal parts of the heat dissipation mechanism, multiple copper heat conduction rods can be conveniently installed according to the work of the transformer body under different loads, so as to improve the heat dissipation efficiency of the transformer body, so as to solve the problem that the oil-immersed transformer needs to adjust input and output current when used, to meet different load conditions, so that the flow and oil pressure of transformer oil in the oil-immersed transformer will also be adjusted.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: an oil-immersed transformer with oil pressure regulating function, comprising a transformer body, a transformer oil tank is connected to the top end of the transformer body by support welding, the transformer oil tank and the transformer body are connected through an oil flow pipe, an adjusting mechanism is fixed on the outer wall of the oil flow pipe by flange connection, multiple heat dissipation mechanisms are fixed on the outer wall of the transformer body by thread connection;

[0007] The adjusting mechanism comprises a sealing box, the sealing box is fixedly connected with oil flow pipes through one-way valves on both sides, a sealing gate is rotationally connected in the sealing box, a support shaft is fixedly connected to the top end of the sealing gate and penetrates into the sealing box, and a support column is integrally formed at the top end of the support shaft;

[0008] The heat dissipation mechanism comprises a plurality of copper heat conduction rods, the plurality of copper heat conduction rods are fixedly installed around the outer wall of the transformer body through threads, heat dissipation fins are fixed between the plurality of copper heat conduction rods through bolts, one end of the copper heat conduction rod close to the transformer body is rotationally connected with a connecting plate, a threaded column is integrally formed at the end of the connecting plate away from the copper heat conduction rod and penetrates into the inside of the transformer body through threads.

[0009] Preferably, the adjusting mechanism further comprises a telescopic knob, the telescopic knob is telescopically connected to the top end of the sealing box and penetrates into the sealing box and is sleeved with the outer wall of the support column, a limiting ring is sleeved and fixed to the outer wall of the telescopic knob penetrating into the sealing box and is slidingly connected to the inside of the sealing box, a plurality of limiting columns are distributed at the top end of the limiting ring, penetrate into the inside of the sealing box and are distributed around the outer wall of the telescopic knob, a support spring is fixedly connected between the bottom end of the telescopic knob and the limiting column and the outer wall of the support shaft.

[0010] Preferably, the heat dissipation mechanism further comprises a telescopic column, the telescopic column is slidingly connected to the end of the copper heat conduction rod away from the connecting plate and penetrates into the inside of the copper heat conduction rod, a square block is integrally formed at the end of the telescopic column penetrating into the inside of the copper heat conduction rod and is slidingly connected between the inside of the connecting plate and the copper heat conduction rod, a plurality of elastic clamping blocks are integrally formed around the outer wall of the square block and respectively abut the inner wall of the connecting plate and the copper heat conduction rod.

[0011] Preferably, a pipeline matched with the oil flow pipe is formed in the inner wall of the sealing box and is sealingly abutted with the outer wall of the sealing gate, and a threaded hole matched with the threaded column is formed around the outer wall of the transformer body.

[0012] Preferably, a limiting groove matched with the limiting column is formed in the inner wall of the sealing box, a telescopic groove matched with the telescopic knob and the limiting ring is formed in the inside of the sealing box, and a sliding groove matched with the support column is formed in the inside of the telescopic knob.

[0013] Preferably, the connecting plate is rotationally connected with the copper heat conduction rod through a ball, square grooves matched with the square block are formed in the inside of the connecting plate and the copper heat conduction rod, clamping grooves matched with the elastic clamping blocks are formed in the inner wall of the square grooves of the connecting plate and the copper heat conduction rod, and a moving groove matched with the telescopic column is formed in the inside of the copper heat conduction rod.

[0014] In the above technical solution, the technical effects and advantages of the present application are provided:

[0015] 1, by pressing the telescopic knob down, telescopic knob force through the limit ring extrusion support spring shrinkage movement, telescopic knob moves in the support column outer wall sleeve sliding, and drive the limit ring down, limit ring down drive limit column movement, limit column movement remove the rotation limit of telescopic knob, rotate telescopic knob, telescopic knob rotation drive sleeve support column rotation, support column rotation drive support shaft rotation, support shaft rotation drive sealing gate in the pipeline in the sealing box rotation, make sealing gate gradually rotate, can control the transformer oil flow size in the pipeline in the sealing box, namely the control and adjustment of transformer oil flow size in the oil flow pipe, so that the transformer oil flow size in the transformer tank to meet the transformer main body in different load state work;

[0016] 2, by work will be screwed with the transformer body outer wall of the threaded hole butt joint, and rotate the connecting plate drive screw column rotation, make the threaded column through the thread and the threaded hole in the transformer body outer wall connection fixed, push the telescopic column, telescopic column drive square block movement, square block movement drive elastic block from the copper heat conduction rod inner wall of the card slot to the card slot in the connecting plate inner wall, make the square block from the copper heat conduction rod inside to the connecting plate inside, and complete the connection in the connecting plate inside, namely the rotation limit of connecting plate, so as to complete the installation and fixation of copper heat conduction rod and fin in the transformer body outer wall, so as to improve the heat dissipation efficiency of transformer body. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the present application or prior art, the following will briefly introduce the drawings needed to be used in the embodiments, obviously, the drawings in the following description are only some embodiments described in the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings.

[0018] Figure 1 It is the overall structure schematic diagram of the utility model;

[0019] Figure 2 It is the cross section structure schematic diagram of the sealing box of the utility model;

[0020] Figure 3 It is the connection structure explosion schematic diagram of the transformer body and the copper heat conduction rod of the utility model;

[0021] Figure 4 It is the connection structure cross section schematic diagram of the copper heat conduction rod and the connecting plate of the utility model;

[0022] Figure 5 It is the Figure 4 The enlarged structure schematic diagram of A in the figure.

[0023] Reference signs:

[0024] 1, transformer body; 101, transformer oil tank; 102, oil flow pipe; 2, adjusting mechanism; 201, sealing box; 202, telescopic knob; 203, limiting ring; 204, limiting column; 205, supporting spring; 206, supporting column; 207, supporting shaft; 208, sealing gate; 3, heat dissipation mechanism; 301, copper heat conduction rod; 302, heat dissipation fin; 303, connecting plate; 304, threaded column; 305, telescopic column; 306, square block; 307, elastic clamping block. DETAILED DESCRIPTION

[0025] In order to make the technical personnel in the art better understand the technical scheme of the utility model, the utility model will be further described in detail below with reference to the drawings.

[0026] The utility model provides a kind of oil-immersed transformer with oil pressure regulating function as Figures 1-5 As shown in a kind of oil-immersed transformer with oil pressure regulating function, including transformer body 1, the top of transformer body 1 is connected by supporting welding with transformer oil tank 101, transformer oil tank 101 and transformer body 1 are connected through oil flow pipe 102, the outer wall of oil flow pipe 102 is fixed with adjusting mechanism 2 by flange connection, the outer wall of transformer body 1 is fixed with multiple heat dissipation mechanisms 3 by screw connection around;

[0027] Adjusting mechanism 2 includes sealing box 201, sealing box 201 is fixed with oil flow pipe 102 by one-way valve on both sides, sealing gate 208 is rotatably connected in sealing box 201, supporting shaft 207 is fixedly connected at the top of sealing gate 208, and it is penetrated to the inside of sealing box 201, supporting column 206 is integrally formed at the top of supporting shaft 207;

[0028] Heat dissipation mechanism 3 includes multiple copper heat conduction rods 301, multiple copper heat conduction rods 301 are fixed by screw installation on the outer wall of transformer body 1 around, heat dissipation fin 302 is fixed between multiple copper heat conduction rods 301 by bolt, connecting plate 303 is rotatably connected at the end of copper heat conduction rod 301 close to transformer body 1, threaded column 304 is integrally formed at the end of connecting plate 303 away from copper heat conduction rod 301, and it is penetrated to the inside of transformer body 1 by screw.

[0029] The mutual cooperation between the internal parts of the adjusting mechanism 2 can adjust and control the transformer oil flow in the oil flow pipe 102, so that the transformer oil in the transformer oil tank 101 flows into the transformer body 1 through the oil flow pipe 102, thereby meeting the working of the transformer body 1 under different loads; the mutual cooperation between the internal parts of the heat dissipation mechanism 3 facilitates the threaded installation of multiple copper heat conduction rods 301 according to the working of the transformer body 1 under different loads, improves the heat dissipation efficiency of the transformer body 1, and thereby improves the stability of the transformer body 1.

[0030] Referring to the drawings Figures 1-5 The adjusting mechanism 2 further comprises a telescopic knob 202 telescopically connected to the top end of the sealing box 201 and penetrating into the sealing box 201 to be sleeved with the outer wall of the supporting column 206. The telescopic knob 202 penetrates into the sealing box 201 to be sleeved with the outer wall of the limiting ring 203, and is slidingly connected to the inside of the sealing box 201. The top end of the limiting ring 203 is provided with multiple limiting columns 204 penetrating into the inside of the sealing box 201 and distributed around the outer wall of the telescopic knob 202. The bottom end of the telescopic knob 202 and the limiting column 204 is connected and fixed with the supporting spring 205 between the sealing box 201 and the outer wall of the supporting shaft 207. The mutual cooperation between the internal parts of the adjusting mechanism 2 can adjust and control the transformer oil flow in the oil flow pipe 102.

[0031] Referring to the drawings Figures 1-5 The heat dissipation mechanism 3 further comprises a telescopic column 305 slidingly connected to one end of the copper heat conduction rod 301 away from the connecting plate 303 and penetrating into the inside of the copper heat conduction rod 301. One end of the telescopic column 305 penetrating into the inside of the copper heat conduction rod 301 is integrally formed with a square block 306 slidingly connected between the connecting plate 303 and the inside of the copper heat conduction rod 301. Multiple elastic clamping blocks 307 are integrally formed around the outer wall of the square block 306 and respectively abut the inner wall of the connecting plate 303 and the copper heat conduction rod 301. The mutual cooperation between the internal parts of the heat dissipation mechanism 3 facilitates the threaded installation of multiple copper heat conduction rods 301 according to the working of the transformer body 1 under different loads.

[0032] Referring to the drawings Figures 1-5 A pipeline matched with the oil flow pipe 102 is formed in the inner wall of the sealing box 201 and sealingly abuts the outer wall of the sealing gate plate 208. Multiple threaded holes matched with the threaded column 304 are formed around the outer wall of the transformer body 1. The pipeline matched with the oil flow pipe 102 is formed in the inner wall of the sealing box 201 and sealingly abuts the outer wall of the sealing gate plate 208, which facilitates the rotation and adjustment of the sealing gate plate 208 in the sealing box 201 and the sealing connection of the pipeline in the sealing box 201.

[0033] Referring to the drawings Figures 1-5The inner wall of the sealing box 201 is provided with a limiting groove matched with the limiting column 204, the inside of the sealing box 201 is provided with an expansion groove matched with the expansion knob 202 and the limiting ring 203, the inside of the expansion knob 202 is provided with a sliding groove matched with the supporting column 206, and the inside of the expansion knob 202 is provided with the sliding groove matched with the supporting column 206, so that the expansion knob 202 is conveniently sleeved with the supporting column 206 and drives the supporting column 206 to rotate.

[0034] With reference to the drawings Figures 1-5 The connecting plate 303 is rotatably connected with the copper heat conduction rod 301 through balls, the connecting plate 303 and the copper heat conduction rod 301 are both internally provided with a square groove matched with the square block 306, the inner wall of the square groove of the connecting plate 303 and the copper heat conduction rod 301 is both provided with a clamping groove matched with the elastic clamping block 307, and the inside of the copper heat conduction rod 301 is provided with a moving groove matched with the expansion column 305; the connecting plate 303 is rotatably connected with the copper heat conduction rod 301 through balls, the connecting plate 303 and the copper heat conduction rod 301 are both internally provided with a square groove matched with the square block 306, so that the square block 306 can penetrate through the copper heat conduction rod 301 to the connecting plate 303, and the connecting plate 303 is rotationally limited.

[0035] The utility model discloses a working principle:

[0036] With reference to the drawings Figures 1-5 By pressing the expansion knob 202 downward, the expansion knob 202 is stressed to compress and move the supporting spring 205 through the limiting ring 203, the expansion knob 202 is moved to be sleeved with the supporting column 206 and slides, the limiting ring 203 is moved downward, the limiting ring 203 moves the limiting column 204, the limiting column 204 removes the rotation limiting of the expansion knob 202, the expansion knob 202 is rotated again, the expansion knob 202 rotates the sleeved supporting column 206, the supporting column 206 rotates the supporting shaft 207, the supporting shaft 207 rotates the sealing gate 208 in the pipeline in the sealing box 201, the sealing gate 208 is gradually rotated, the transformer oil flow size in the pipeline in the sealing box 201 can be controlled, the transformer oil flow size in the oil flow pipeline 102 can be controlled and adjusted, and therefore the transformer oil flow size in the transformer oil tank 101 can meet the working of the transformer main body 1 under different load states.

[0037] With reference to the drawings Figures 1-5, through the work will threaded column 304 and transformer body 1 outer wall threaded hole butt joint, and rotate connecting plate 303 driven threaded column 304 rotation, make threaded column 304 through the thread and the threaded hole of the outer wall of the transformer body 1 connection fixed, push telescopic column 305, telescopic column 305 mobile driven square block 306 moves, square block 306 mobile driven elastic block 307 from the copper heat conduction rod 301 inner wall from the slot to the slot in the connecting plate 303 inner wall, make square block 306 from the copper heat conduction rod 301 inside to the connecting plate 303 inside, and in the connecting plate 303 inside complete connection clamping, can complete the rotation of connecting plate 303 limit, thus complete the copper heat conduction rod 301 and the fin 302 in the transformer body 1 outer wall installation fixed, thus improve the heat dissipation efficiency of transformer body 1.

[0038] The above merely describes certain exemplary embodiments of the present application by way of illustration, and it is needless to say that those skilled in the art can modify the described embodiments in various manners without departing from the spirit and scope of the present application. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the present application.

Claims

1. An oil-immersed transformer with oil pressure regulation function, characterized in that: Including transformer body (1), the top end of transformer body (1) is connected with transformer oil tank (101) by support welding, and the transformer oil tank (101) is connected with the transformer body (1) through the oil flow pipe (102) through connection, the outer wall of the oil flow pipe (102) is fixed with adjusting mechanism (2) by flange connection, and the outer wall of the transformer body (1) is fixed with a plurality of heat dissipation mechanisms (3) by thread connection; The adjusting mechanism (2) comprises a sealing box (201), the sealing box (201) is connected with the oil flow pipe (102) on both sides through a one-way valve, and the sealing box (201) is rotatably connected with a sealing gate (208), the top end of the sealing gate (208) is connected with a support shaft (207), and penetrates into the inside of the sealing box (201), and the top end of the support shaft (207) is integrally formed with a support column (206); The heat dissipation mechanism (3) comprises a plurality of copper heat conduction rods (301), a plurality of copper heat conduction rods (301) are fixed on the outer wall of the transformer body (1) by thread installation, a plurality of copper heat conduction rods (301) are fixed with heat dissipation fins (302) by bolts, one end of the copper heat conduction rod (301) close to the transformer body (1) is rotatably connected with a connecting plate (303), and the end of the connecting plate (303) away from the copper heat conduction rod (301) is integrally formed with a threaded column (304), and penetrates into the inside of the transformer body (1) through thread.

2. 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The oil-immersed transformer with oil pressure adjustment function according to claim 1, characterized in that: ​ 4. The oil-immersed transformer with oil pressure adjustment function according to claim 1, characterized in that: The inner wall of the sealing box (201) is provided with a pipeline matched with the oil flow pipe (102) and sealedly attached to the outer wall of the sealing gate (208), and the outer wall of the transformer main body (1) is provided with a threaded hole matched with the threaded column (304).

5. The oil-immersed transformer with oil pressure adjustment function according to claim 2, characterized in that: The inner wall of the sealing box (201) is provided with a limiting groove matched with the limiting column (204), and the inside of the sealing box (201) is provided with an expansion groove matched with the expansion knob (202) and the limiting ring (203), and the inside of the expansion knob (202) is provided with a sliding groove matched with the supporting column (206).

6. The oil-immersed transformer with oil pressure adjustment function according to claim 3, characterized in that: The connecting plate (303) is rotationally connected with the copper heat conduction rod (301) through a ball, square grooves matched with the square blocks (306) are formed in the connecting plate (303) and the copper heat conduction rod (301), clamping grooves matched with the elastic clamping blocks (307) are formed in the inner walls of the square grooves of the connecting plate (303) and the copper heat conduction rod (301), and a moving groove matched with the expansion column (305) is formed in the inside of the copper heat conduction rod (301).

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