Oil drainage device of oil-immersed transformer

Abstract

The utility model discloses an oil drainage device of an oil-immersed transformer, which comprises the oil-immersed transformer, the upper surface of the oil-immersed transformer is symmetrically and fixedly connected with a support, the other end of the support is fixedly connected with an oil conservator, and the upper surface of the oil conservator is provided with an oil drainage structure. The oil conservator cover is prevented from moving or inclining due to external factors or self gravity, smooth oil filling is guaranteed, plugging and unplugging work is facilitated, the design mode avoids the tedious operation that the oil conservator cover needs to be opened for observation in a traditional mode, working efficiency is improved, observation and operation are facilitated, and the oil conservator cover is suitable for popularization and application. Maintenance personnel can find and process problems in time, and therefore normal operation of the transformer is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil -immersed transformer technical field, and the specific field is a kind of oil -immersed transformer oil discharge device. BACKGROUND

[0002] Oil-immersed transformer is an important power equipment, widely used in power transmission and distribution system, its main role is to convert lower voltage current into higher voltage current through electromagnetic induction principle, so as to realize the efficient use and transmission of power, oil-immersed transformer is widely used.

[0003] Transformer oil is an insulation and cooling medium, it can effectively separate live conductor and ground, avoid electric shock and short circuit. At the same time, it can also take away the heat generated by transformer core, ensure the normal operation of transformer, when transformer operates, the core will generate heat, and these heat needs to be transmitted through transformer oil to achieve the purpose of heat dissipation. It is very important to regularly oil oil-immersed transformer. Correct oiling amount and frequency can ensure the normal operation of transformer and prolong the service life of transformer. Therefore, we propose a kind of oil-immersed transformer oil discharge device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of oil-immersed transformer oil discharge device to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of oil-immersed transformer oil discharge device, including oil-immersed transformer, the upper surface of the oil-immersed transformer is fixedly connected with support symmetrically, the other end of the support is fixedly connected with oil pillow, the upper surface of the oil pillow is provided with oil discharge structure.

[0006] Preferably, the oil discharge structure includes oil inlet pipe, the upper surface of the oil inlet pipe is fixedly connected with flange pipe, the inner cavity of the flange pipe is fixedly connected with inner groove block, the center of the inner groove block is sleeved with rubber ring, the inner wall bottom of the flange pipe is provided with through-hole net, and the through-hole net is located at the bottom of rubber ring.

[0007] Preferably, the oil pillow is provided with oil discharge pipe between the side wall and the upper surface of the oil-immersed transformer, and the valve is installed at the center of the oil discharge pipe.

[0008] Preferably, the front side wall of the oil pillow is provided with glass window.

[0009] Preferably, the upper surface of the flange pipe is annularly provided with flange hole.

[0010] Preferably, the inner cavity of the rubber ring is hollow, and the inner cavity is inflatable.

[0011] Compared with the prior art, the oil-immersed transformer oil drainage device has the beneficial effects that: when the oil drainage work of the oil-immersed transformer is carried out, the oil drainage structure is arranged at the oil pillow, the oil inlet pipe is combined with the flange pipe, the flange pipe is located at the top of the oil inlet pipe, the flange pipe is a large-diameter pipe, the rubber ring is arranged in the flange pipe, the rubber ring can be clamped when the oil drainage pipe is inserted, the stable state is maintained, the movement or inclination of the oil drainage pipe due to external factors or self-gravity is avoided, the smooth oil filling process is ensured, the plug-in and plug-out work is facilitated, the through-hole net is arranged at the bottom of the rubber ring, the filtering work can be carried out, the influence of impurities in the oil on subsequent heat dissipation is avoided, the glass window is arranged on one side of the oil pillow, the oil amount in the oil pillow can be observed through the glass window, the oil drainage work can be carried out in time, the design avoids the cumbersome operation that the oil pillow cover needs to be opened for observation in the traditional mode, the work efficiency is improved, the observation and operation are facilitated, the maintenance personnel can discover problems in time and handle the problems, and thus the normal operation of the transformer is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is a structural schematic view of the utility model;

[0013] Fig. 2 It is a sectional view of the oil drainage structure;

[0014] In the drawing: 1, oil-immersed transformer; 2, support; 3, oil pillow; 4, oil drainage pipe; 5, valve; 6, oil drainage structure; 61, oil inlet pipe; 62, flange pipe; 63, inner groove block; 64, rubber ring; 65, through-hole net; 7, glass window. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.

[0016] Please refer to Figs. 1-2 The utility model provides a kind of oil-immersed transformer oil drainage device, including oil-immersed transformer 1, the upper surface of oil-immersed transformer 1 is fixedly connected with support 2 symmetrically, another end of support 2 is fixedly connected with oil pillow 3, and the upper surface of oil pillow 3 is provided with oil drainage structure 6.

[0017] The oil discharging structure 6 comprises an oil inlet pipe 61, the upper surface of the oil inlet pipe 61 is fixedly connected with a flange pipe 62, the inner cavity of the flange pipe 62 is fixedly connected with an inner groove block 63, the center of the inner groove block 63 is sleeved with a rubber ring 64, the inner wall bottom of the flange pipe 62 is provided with a through-hole net 65, and the through-hole net 65 is located at the bottom of the rubber ring 64.

[0018] The side wall of the oil pillow 3 and the upper surface of the oil-immersed transformer 1 are provided with an oil discharging pipe 4, and the center of the oil discharging pipe 4 is installed with a valve 5.

[0019] The front side wall of the oil pillow 3 is provided with a glass window 7.

[0020] The upper surface of the flange pipe 62 is annularly provided with a flange hole.

[0021] The inner cavity of the rubber ring 64 is hollow, and the inner cavity is provided with air.

[0022] Working principle: when the oil discharging work of the transformer is carried out, the supports 2 are symmetrically arranged at the top of the oil-immersed transformer 1, the other end of the support 2 is fixedly connected with the oil pillow 3, the oil pillow 3 and the oil-immersed transformer 1 are connected through the oil discharging pipe 4, and the valve 5 is arranged at the center of the oil discharging pipe 4, when the oil discharging work is carried out, the valve 5 is opened in advance, so that the oil pillow 3 is communicated with the oil-immersed transformer 1, then the oil discharging work is carried out through the oil discharging structure 6, the oil discharging structure 6 is connected with the top of the oil-immersed transformer 1 through the oil inlet pipe 61, the flange pipe 62 is arranged at the top of the oil inlet pipe 61, the flange hole is arranged at the top of the flange pipe 62, which is convenient for sealing when idle, and the inner groove block 63 is arranged in the flange pipe 62, the rubber ring 64 is sleeved at the center of the inner groove block 63, the rubber ring 64 is limited through the inner groove block 63, and the rubber ring 64 can be taken out through the soft characteristics of the rubber, so that the internal cleaning work is facilitated, the inner cavity of the rubber ring 64 is hollow, and the inner cavity is filled with air, when the pipe is inserted for oil discharging, the rubber ring 64 can be clamped, the stability is maintained, the insertion and extraction work are facilitated, and the through-hole net 65 is arranged at the bottom of the rubber ring 64, so that the filtering work can be carried out, so that the impurities in the oil do not affect the subsequent heat dissipation, and the glass window 7 is arranged on one side of the oil pillow 3, so that the oil amount in the oil pillow 3 can be observed through the glass window 7, and the oil discharging work can be carried out in time.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. An oil draining device for an oil-immersed transformer, characterized in that: Including oil-immersed transformer (1), the upper surface of oil-immersed transformer (1) is symmetrically connected with support (2), the other end of support (2) is fixedly connected with oil pillow (3), the upper surface of oil pillow (3) is provided with oil discharge structure (6); The oil discharge structure (6) includes an oil inlet pipe (61), the upper surface of the oil inlet pipe (61) is fixedly connected with a flange pipe (62), the inner cavity of the flange pipe (62) is fixedly connected with an inner groove block (63), the center of the inner groove block (63) is sleeved with a rubber ring (64), the inner wall of the flange pipe (62) is provided with a through-hole mesh (65) at the bottom, and the through-hole mesh (65) is located at the bottom of the rubber ring (64).

2. An oil drain device for oil-immersed transformers according to claim 1, characterized in that: The side wall of the oil pillow (3) and the upper surface of the oil-immersed transformer (1) are provided with an oil discharge pipe (4), and the center of the oil discharge pipe (4) is provided with a valve (5).

3. The oil draining device for oil immersed transformer according to claim 1, characterized in that: The front side wall of the oil pillow (3) is provided with a glass window (7).

4. The oil draining device for oil immersed transformer according to claim 1, characterized in that: The upper surface of the flange pipe (62) is annularly provided with a flange hole.

5. An oil drain device for oil-immersed transformers according to claim 1, characterized in that: The inner cavity of the rubber ring (64) is hollow, and the inner cavity is provided with air.

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