CN220543738U - Pressure release structure of oil immersed transformer - Google Patents

Abstract

The utility model discloses a pressure release structure of an oil immersed transformer, which comprises the oil immersed transformer, wherein a cover plate is fixedly arranged on the upper surface of the oil immersed transformer, a supporting seat is fixedly connected to the upper surface of the cover plate, a sliding groove is formed in the upper surface of the supporting seat, a sliding plate is connected to the inner wall of the sliding groove in a sliding manner, an electric push rod is fixedly arranged on the upper surface of the cover plate, a telescopic end of the electric push rod is fixedly connected with the bottom surface of the sliding plate, a sealing plug is fixedly connected to the bottom surface of the sliding plate, a release pipe is fixedly connected to the upper surface of the oil immersed transformer, an air pressure detector is fixedly arranged on the outer surface of the release pipe, the detection end of the air pressure detector penetrates through the release pipe and extends into the release pipe, and a controller is fixedly arranged on the front surface of the oil immersed transformer. The pressure release structure is convenient for quickly releasing and discharging gas in the oil immersed transformer, and can improve the pressure release speed of the oil immersed transformer.

Description

Pressure release structure of oil immersed transformer

Technical Field

The utility model relates to the field of oil immersed transformers, in particular to a pressure release structure of an oil immersed transformer.

Background

The oil immersed transformer uses transformer oil as insulating and cooling medium, the transformer oil has the characteristics of abundant natural storage and low price, so the oil immersed transformer is widely applied, and is matched with fiber materials for use, the insulating property is good, the insulating distance can be reduced, the cost is reduced, the viscosity of the transformer oil is low, the heat transfer property is good, the iron core and windings can be well protected from the influence of moisture in the air, insulating paper and insulating paper board are protected from being affected by oxygen, the ageing of the insulating materials is reduced, and the service life of the transformer is prolonged.

The present chinese patent with publication number CN217426486U discloses an oil immersed transformer capable of automatically releasing pressure, which comprises a transformer, top cover is attached to top end edge of the transformer, pressure release device is installed above the top cover, but pressure release effect of the pressure release device above the top cover in the above patent is poor, top end of round tube can not be opened fast, pressure release speed of the transformer is reduced, therefore, we propose a pressure release structure of the oil immersed transformer to solve the above problem.

Disclosure of Invention

The utility model aims to provide a pressure release structure of an oil immersed transformer, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a pressure release structure of oil-immersed transformer, includes oil-immersed transformer, oil-immersed transformer's last fixed surface installs the apron, the last fixed surface of apron is connected with the supporting seat, the spout has been seted up to the upper surface of supporting seat, the inner wall sliding connection of spout has the sliding plate, the last fixed surface of apron installs electric putter, electric putter's flexible end and the bottom surface fixed connection of sliding plate, the bottom surface fixedly connected with sealing plug of sliding plate, oil-immersed transformer's last fixed surface has the release pipe, the surface fixed mounting of release pipe has the atmospheric pressure detector, the inside that the detection end of atmospheric pressure detector runs through the release pipe and extends to the release pipe, oil-immersed transformer's front fixed mounting has the controller, the pressure release hole has been seted up to the upper surface of apron.

In a further embodiment, the bottom end of the sealing plug extends into the interior of the release tube, and the outer surface of the sealing plug is in contact with the inner collar of the release tube.

In a further embodiment, the inner side wall of the chute is fixedly connected with a reinforcing block, and the left side surface of the reinforcing block is fixedly connected with the right side surface of the electric push rod.

In a further embodiment, the inner side wall of the chute is provided with a limiting hole, the inner wall of the limiting hole is slidably connected with a limiting block, and the left side face of the limiting block is fixedly connected with the right side face of the sliding plate.

In a further embodiment, two groups of wiring terminals are fixedly arranged on the upper surface of the cover plate, and two groups of hanging rings are fixedly connected to the upper surface of the cover plate.

In a further embodiment, the front surface of the oil immersed transformer is fixedly connected with a warning board, and the bottom surface of the oil immersed transformer is fixedly connected with a mounting seat.

Compared with the prior art, the utility model has the beneficial effects that:

this device is through pressure release hole and the release pipe that are equipped with, can make air pressure sensor respond to the inside pressure of release pipe, simultaneously with the cooperation of controller, can start electric putter and stretch the motion, then utilize the power that electric putter motion provided, will drive sliding plate and sealing plug and upwards move, can make the sealing plug shift out the top of release pipe, can make the top of release pipe open fast, conveniently make the inside gaseous quick release of oil immersed transformer discharge, improve oil immersed transformer's pressure release rate.

Drawings

Fig. 1 is a schematic perspective view of a front view of a pressure release structure of an oil immersed transformer.

Fig. 2 is a schematic perspective view of a top view of a pressure release structure of an oil immersed transformer.

Fig. 3 is a cross-sectional view of a front view of a support base in a pressure relief structure of an oil immersed transformer.

Fig. 4 is a cross-sectional view of a side view of a support base in a pressure relief structure of an oil immersed transformer.

In the figure: 1. an oil immersed transformer; 2. a cover plate; 3. a support base; 4. a chute; 5. a sliding plate; 6. an electric push rod; 7. a release tube; 8. a pressure relief hole; 9. an air pressure detector; 10. a sealing plug; 11. a reinforcing block; 12. a controller; 13. a warning board; 14. a mounting base; 15. a limiting block; 16. a limiting hole; 17. a hanging ring; 18. and a connection terminal.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the pressure release structure of an oil immersed transformer of the present utility model includes an oil immersed transformer 1, a cover plate 2 is fixedly installed on an upper surface of the oil immersed transformer 1, a supporting seat 3 is fixedly connected to an upper surface of the cover plate 2, a chute 4 is provided on an upper surface of the supporting seat 3, a sliding plate 5 is slidably connected to an inner wall of the chute 4, an electric push rod 6 is fixedly installed on an upper surface of the cover plate 2, a telescopic end of the electric push rod 6 is fixedly connected to a bottom surface of the sliding plate 5, a sealing plug 10 is fixedly connected to a bottom surface of the sliding plate 5, a release pipe 7 is fixedly connected to an upper surface of the oil immersed transformer 1, an air pressure detector 9 is fixedly installed on an outer surface of the release pipe 7, a detection end of the air pressure detector 9 penetrates through the release pipe 7 and extends into the release pipe 7, a pressure release controller 12 is fixedly installed on a front surface of the oil immersed transformer 1, and a pressure release hole 8 is provided on an upper surface of the cover plate 2.

The bottom of sealing plug 10 extends to the inside of release pipe 7, and the surface of sealing plug 10 contacts with the inner circle of release pipe 7, and the inside wall fixedly connected with of spout 4 consolidates piece 11, consolidates the left surface of piece 11 and the right flank fixed connection of electric putter 6, deepens the fixed to electric putter 6 through consolidating piece 11, will make electric putter 6 operation time more stable.

Limiting holes 16 are formed in the inner side walls of the sliding grooves 4, limiting blocks 15 are slidably connected to the inner walls of the limiting holes 16, the left side faces of the limiting blocks 15 are fixedly connected with the right side faces of the sliding plates 5, two groups of connecting terminals 18 are fixedly mounted on the upper surface of the cover plate 2, two groups of hanging rings 17 are fixedly connected to the upper surface of the cover plate 2, warning boards 13 are fixedly connected to the front faces of the oil immersed transformer 1, mounting seats 14 are fixedly connected to the bottom faces of the oil immersed transformer 1, and the sliding plates 5 can move up and down more stably through the cooperation of the limiting holes 16 and the limiting blocks 15, and the hanging rings 17 are used for conveniently hanging the oil immersed transformer 1.

The working principle of the utility model is as follows: firstly, the oil immersed transformer 1 is installed and fixed through the installation seat 14, when the internal air pressure of the oil immersed transformer 1 is released, the pressure inside the release pipe 7 can be sensed by the air pressure detector 9, after the air pressure reaches a set value, the value is transmitted to the controller 12 through the air pressure detector 9, the electric push rod 6 is started to perform stretching movement by the controller 12, the sliding plate 5 and the sealing plug 10 can be driven to move upwards, the sealing of the sealing plug 10 to the release pipe 7 can be rapidly released, and then the air inside the oil immersed transformer 1 can be rapidly discharged through the release pipe 7.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. The utility model provides a pressure release structure of oil-immersed transformer which characterized in that: including oil-immersed transformer (1), the last fixed surface of oil-immersed transformer (1) installs apron (2), the last fixed surface of apron (2) is connected with supporting seat (3), spout (4) have been seted up to the upper surface of supporting seat (3), the inner wall sliding connection of spout (4) has sliding plate (5), the last fixed surface of apron (2) installs electric putter (6), the flexible end of electric putter (6) and the bottom surface fixed connection of sliding plate (5), the bottom surface fixedly connected with sealing plug (10) of sliding plate (5), the last fixed surface of oil-immersed transformer (1) is connected with release pipe (7), the surface fixed mounting of release pipe (7) has atmospheric pressure detector (9), the detection end of atmospheric pressure detector (9) runs through release pipe (7) and extends to the inside of release pipe (7), the positive fixed mounting of oil-immersed transformer (1) has controller (12), pressure release hole (8) have been seted up to the upper surface of apron (2).

2. The pressure release structure of an oil-immersed transformer according to claim 1, wherein: the bottom end of the sealing plug (10) extends to the inside of the release tube (7), and the outer surface of the sealing plug (10) is contacted with the inner ring of the release tube (7).

3. The pressure release structure of an oil-immersed transformer according to claim 1, wherein: the inner side wall of the chute (4) is fixedly connected with a reinforcing block (11), and the left side face of the reinforcing block (11) is fixedly connected with the right side face of the electric push rod (6).

4. The pressure release structure of an oil-immersed transformer according to claim 1, wherein: limiting holes (16) are formed in the inner side walls of the sliding grooves (4), limiting blocks (15) are connected to the inner walls of the limiting holes (16) in a sliding mode, and the left side faces of the limiting blocks (15) are fixedly connected with the right side faces of the sliding plates (5).

5. The pressure release structure of an oil-immersed transformer according to claim 1, wherein: two groups of connecting terminals (18) are fixedly arranged on the upper surface of the cover plate (2), and two groups of hanging rings (17) are fixedly connected with the upper surface of the cover plate (2).

6. The pressure release structure of an oil-immersed transformer according to claim 1, wherein: the front of the oil immersed transformer (1) is fixedly connected with a warning board (13), and the bottom of the oil immersed transformer (1) is fixedly connected with a mounting seat (14).