CN112133523A

CN112133523A - Transformer for balancing oil

Info

Publication number: CN112133523A
Application number: CN202010947847.6A
Authority: CN
Inventors: 李东东
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-10
Filing date: 2020-09-10
Publication date: 2020-12-25

Abstract

The invention discloses a transformer for balancing oil, which comprises a shell, wherein the upper side wall of the shell is rotatably connected with a cover plate, an anti-overflow groove is arranged in the shell, an electromagnet is fixedly connected in the anti-overflow groove, a magnet plate is slidably connected in the anti-overflow groove, the upper side wall of the magnet plate is fixedly connected with a trapezoidal plate through a connecting rod, a telescopic spring is fixedly connected between the lower side wall of the magnet plate and the inner bottom wall of the anti-overflow groove, and a liquid storage pipe is arranged on the lower side wall of the shell. When the temperature of the transformer body is too high, the electromagnet is triggered to be electrified through expansion of the expansion liquid to generate magnetic force, so that the trapezoidal plate is driven to move downwards to enable the upper end of the anti-overflow groove to be opened, the pressure intensity caused by temperature rise in the shell is balanced, meanwhile, the oil liquid with the increased volume flows into the anti-overflow groove to be balanced, the oil liquid is prevented from being expanded and overflowing, and meanwhile, the scraper plate moves to clean the heat dissipation plate, so that the heat dissipation plate is kept clean and has sufficient heat conduction and heat dissipation effects.

Description

Transformer for balancing oil

Technical Field

The invention relates to the technical field of transformers, in particular to a transformer for balancing oil.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and main components are a primary coil, a secondary coil and an iron core (magnetic core), and the transformer has the main functions of: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like.

At present, a common transformer is an oil-immersed transformer, a body (a winding and an iron core) of the oil-immersed transformer is arranged in an oil tank filled with transformer oil, the oil tank is welded by steel plates, when the temperature of the oil tank is too high, the volume of oil in the transformer expands, the internal pressure intensity is increased easily, and under the action of pressure, the oil escapes from the joint of a sealing gasket and a tank cover to cause oil leakage, so that the normal use of the transformer is influenced.

Disclosure of Invention

The invention aims to solve the problems in the background art and provides a transformer for balancing oil.

In order to achieve the purpose, the invention adopts the following technical scheme:

a transformer for balancing oil comprises a shell, wherein a cover plate is rotatably connected to the upper side wall of the shell, an anti-overflow groove is formed in the shell, an electromagnet is fixedly connected into the anti-overflow groove, a magnet plate is slidably connected into the anti-overflow groove, a trapezoidal plate is fixedly connected to the upper side wall of the magnet plate through a connecting rod, a telescopic spring is fixedly connected between the lower side wall of the magnet plate and the inner bottom wall of the anti-overflow groove, a liquid storage pipe is arranged on the lower side wall of the shell, a heat conducting rod is connected between the liquid storage pipe and the outer wall of the shell, two pistons are slidably connected into the liquid storage pipe, expansion liquid between the two pistons is filled into the liquid storage pipe, ejector rods are fixedly connected to the outer side walls of the two pistons, a reset spring with two ends fixedly connected with the outer wall of each ejector rod and the outer wall of the end portion of, be equipped with clean mechanism between ejector pin and the heating panel, the lower lateral wall fixedly connected with of casing is located left side ejector pin outside riser, one side fixed mounting that the riser is close to the ejector pin has the switch of being connected with the electro-magnet.

Preferably, clean mechanism includes the limiting plate of fixed connection on the outer wall of casing, it is equipped with the carriage release lever to insert on the limiting plate, the upper end fixedly connected with U template of carriage release lever, the both ends fixedly connected with extension board of U template, the lower extreme fixedly connected with of extension board and the scraper blade that the heating panel outer wall contacted, two the tip of ejector pin all rotates and is connected with the bull stick, two the one end rotation of ejector pin is kept away from to the bull stick is connected, the lower extreme of carriage release lever is located the upper end of two bull stick junctions.

Preferably, the number of the heat dissipation plates is plural, and the number of the scrapers corresponds to the number of the heat dissipation plates.

Preferably, the expansion liquid is one of alcohol, mercury and dichloromethane.

Compared with the prior art, the transformer for balancing oil has the advantages that:

1. when the temperature of the shell is too high, the pressure inside the shell is increased, and the volume of oil is increased, heat is led out to the liquid storage pipe through the heat conducting rod, expansion liquid expands under the action of the heat, two pistons are pushed to move towards the outer side, the ejector rod presses the switch, the electromagnet is electrified to generate magnetic force with the same magnetism as that of one side, close to the magnet plate, the magnet plate is pushed to move downwards under the action of magnetic repulsion, the trapezoidal plate is driven to move towards the lower side through the connecting rod, the upper end of the overflow preventing groove is opened, the space in the shell is increased, the pressure caused by temperature rise in the shell is balanced, meanwhile, the oil with increased volume partially flows into the overflow preventing groove to balance the oil with increased volume, and the oil is prevented from being expanded and overflowing;

2. the cleaning mechanism is arranged, in the process that the ejector rod moves towards the outer side, the ejector rod drives the upper end of the rotating rod to move towards the outer side, the lower end of the rotating rod moves towards the upper side, the moving rod is pushed to move upwards, the moving rod drives the U-shaped plate and the scraper plate to move, the scraper plate moves on the outer wall of the heat dissipation plate and scrapes off dust on the surface of the heat dissipation plate, the convection area of the heat dissipation plate and air is increased, and the heat dissipation effect of the heat dissipation plate is guaranteed;

in conclusion, when the temperature of the transformer body is too high, the electromagnet is triggered by expansion of the expansion liquid to generate magnetic force, so that the trapezoidal plate is driven to move downwards to enable the upper end of the anti-overflow groove to be open, the pressure intensity caused by temperature rise in the shell is balanced, meanwhile, the oil liquid part with the increased volume flows into the anti-overflow groove to balance the oil liquid with the increased volume, the oil liquid is prevented from expanding and overflowing, and meanwhile, the scraper plate moves to clean the heat dissipation plate, so that the heat dissipation plate is kept clean and has sufficient heat conduction and heat dissipation effects.

Drawings

Fig. 1 is a schematic structural diagram of a transformer for balancing oil according to the present invention;

fig. 2 is a side view of a heat sink plate in a transformer for balancing oil according to the present invention;

fig. 3 is a schematic diagram of an internal structure of a liquid storage tube in a transformer for balancing oil according to the present invention.

In the figure: the device comprises a shell 1, a cover plate 2, an overflow preventing groove 3, a telescopic spring 4, a magnet plate 5, an electromagnet 6, a trapezoidal plate 7, a connecting rod 8, a liquid storage pipe 9, a heat conducting rod 10, an ejector rod 11, a return spring 12, a vertical plate 13, a switch 14, a heat radiating plate 15, a scraping plate 16, a U-shaped plate 17, a movable rod 18, a rotating rod 19, a piston 20 and expansion liquid 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a transformer for balancing oil comprises a housing 1, a cover plate 2 is rotatably connected to the upper side wall of the housing 1, an anti-overflow groove 3 is arranged in the housing 1, an electromagnet 6 is fixedly connected in the anti-overflow groove 3, a magnet plate 5 is slidably connected in the anti-overflow groove 3, a trapezoidal plate 7 is fixedly connected to the upper side wall of the magnet plate 5 through a connecting rod 8, a telescopic spring 4 is fixedly connected between the lower side wall of the magnet plate 5 and the inner bottom wall of the anti-overflow groove 3, when the telescopic spring 4 is completely unfolded, the trapezoidal plate 7 is positioned at the opening of the anti-overflow groove 3, the lower surface of the trapezoidal plate 7 is higher than the upper surface of the anti-overflow groove 3, a liquid storage tube 9 is arranged on the lower side wall of the housing 1, a heat conducting rod 10 is connected between the liquid storage tube 9 and the outer wall of the housing 1, two, the expansion liquid 21 is one of alcohol, mercury and dichloromethane, the alcohol, mercury or dichloromethane have a certain expansion degree under the action of heat, the outer side walls of the two pistons 20 are fixedly connected with ejector rods 11, the outer wall of the ejector rod 11 is sleeved with a return spring 12, two ends of the return spring are respectively fixedly connected with the outer wall of the ejector rod 11 and the outer wall of the end part of the liquid storage tube 9, the outer walls of two sides of the shell 1 are respectively and fixedly connected with a heat dissipation plate 15, the lower side wall of the shell 1 is fixedly connected with a vertical plate 13 positioned on the outer side of the ejector rod 11 on the left side, one side of the vertical plate 13 close to the ejector rod 11 is fixedly provided with a switch 14 connected with the electromagnet 6, the switch 14 is connected with the electromagnet 6 and an external power supply through wires, when the surface temperature of the shell 1 is too high, the heat is guided to the liquid storage tube 9 through a heat conduction rod 10, make 6 circular telegrams of electro-magnet produce and be close to the same magnetic force of one side magnetism with magnet board 5, promote magnet board 5 and move down under the effect of magnetism repulsion, and drive trapezoidal plate 7 through connecting rod 8 and move toward the downside, make the upper end of anti-overflow groove 3 open, space in the increase casing 1, the pressure that causes because of the temperature risees in the balance casing 1 is inside, the fluid part that the volume increases simultaneously flows into the balance of carrying out the fluid of volume increase in anti-overflow groove 3, avoid the fluid inflation to spill over.

A cleaning mechanism is arranged between the top rods 11 and the heat dissipation plate 15, the cleaning mechanism comprises a limiting plate fixedly connected on the outer wall of the shell 1, a moving rod 18 is inserted on the limiting plate, a U-shaped plate 17 is fixedly connected at the upper end of the moving rod 18, extension plates are fixedly connected at the two ends of the U-shaped plate 17, a scraper 16 contacted with the outer wall of the heat dissipation plate 15 is fixedly connected at the lower end of the extension plate, rotating rods 19 are rotatably connected at the end parts of the two top rods 11, one ends of the two rotating rods 19 far away from the top rods 11 are mutually rotatably connected, the lower end of the moving rod 18 is positioned at the upper end of the joint of the two rotating rods 19, when the top rods 11 move towards the outer side, the upper end of the rotating rods 19 moves towards the outer side, the lower end of the rotating rods 19 moves towards the upper side, the moving rod 18 is pushed to move upwards, the moving rod 18 drives the, the convection area between the heat dissipation plate 15 and the air is increased, and the heat dissipation effect of the heat dissipation plate 15 is ensured.

The number of the heat dissipation plates 15 is multiple, the number of the scrapers 16 corresponds to the number of the heat dissipation plates 15, the number of the heat dissipation plates 15 is multiple, sufficient heat conduction and heat dissipation effects are guaranteed, and overhigh temperature of the transformer body is avoided.

Further, unless otherwise expressly stated or limited, the upper fastening is to be construed broadly, for example, as being welded, glued, or integrally formed as is conventional in the art.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a transformer of balanced fluid, includes casing (1), its characterized in that, the last lateral wall of casing (1) rotates and is connected with apron (2), be provided with anti-overflow tank (3) in casing (1), fixedly connected with electro-magnet (6) in anti-overflow tank (3), sliding connection has magnet board (5) in anti-overflow tank (3), the last lateral wall of magnet board (5) passes through connecting rod (8) fixedly connected with trapezoidal plate (7), fixedly connected with expanding spring (4) between the lower lateral wall of magnet board (5) and the interior lateral wall of anti-overflow tank (3), the lower lateral wall of casing (1) is provided with stock solution pipe (9), be connected with between the outer wall of stock solution pipe (9) and casing (1) heat conduction pole (10), sliding connection has two pistons (20) in stock solution pipe (9), stock solution pipe (9) intussuseption is filled with inflation liquid (21) that are located between two pistons (20), two equal fixedly connected with ejector pin (11) of lateral wall of piston (20), the cover is equipped with both ends respectively with ejector pin (11) outer wall and stock solution pipe (9) tip outer wall fixed connection's reset spring (12) on the outer wall of ejector pin (11), equal fixedly connected with heating panel (15) on the both sides outer wall of casing (1), be equipped with clean mechanism between ejector pin (11) and heating panel (15), the lower side wall fixedly connected with of casing (1) is located left side ejector pin (11) outside riser (13), one side fixed mounting that riser (13) are close to ejector pin (11) has switch (14) of being connected with electro-magnet (6).

2. The transformer for balancing oil according to claim 1, wherein the cleaning mechanism comprises a limiting plate fixedly connected to an outer wall of the housing (1), a moving rod (18) is inserted into the limiting plate, a U-shaped plate (17) is fixedly connected to an upper end of the moving rod (18), extension plates are fixedly connected to two ends of the U-shaped plate (17), a scraper (16) in contact with an outer wall of the heat dissipation plate (15) is fixedly connected to a lower end of each extension plate, two ends of the ejector rods (11) are rotatably connected to rotating rods (19), one ends of the rotating rods (19) far away from the ejector rods (11) are rotatably connected to each other, and a lower end of the moving rod (18) is located at an upper end of a joint of the two rotating rods (19).

3. A transformer for balancing oil according to claim 2, wherein the number of said heat-dissipating plates (15) is plural, and the number of said scrapers (16) corresponds to the number of said heat-dissipating plates (15).

4. A transformer for balancing oil according to claim 1, characterised in that said expansion fluid (21) is one of alcohol, mercury and dichloromethane.