CN219040178U

CN219040178U - Structure-reinforced immersion type transformer

Info

Publication number: CN219040178U
Application number: CN202222177457.2U
Authority: CN
Inventors: 曹征芬; 张洪乾; 石甲丽
Original assignee: Anzhong Power Technology Co ltd
Current assignee: Anzhong Power Technology Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-05-16
Anticipated expiration: 2032-08-18

Abstract

The utility model relates to the technical field of cable laying, in particular to a structurally reinforced immersion transformer which comprises an oil tank and a first dampproof plate, wherein the oil tank is connected with the first dampproof plate through two groups of fixing brackets, the upper end of the first dampproof plate is connected with a first vacuum heat insulation plate, one side of the first dampproof plate is connected with a second dampproof plate, the upper surface of the second dampproof plate is connected with a second vacuum heat insulation plate, and the left side of the upper end of the oil tank is provided with an oil level gauge and a temperature sensor. The utility model overcomes the defects of the prior art, the oil immersed transformer is mostly used outdoors by arranging the dampproof plate and the vacuum heat insulation plate, the top can be waterproof and protected by the dampproof plate, the top is heat-insulated by the vacuum heat insulation plate, the stable operation of the transformer is ensured, the device can detect the temperature of the oil tank by the temperature sensor, and the audible and visual alarm alarms when the preset value of a user is reached, so that the oil immersed transformer is convenient for the user to process in time.

Description

Structure-reinforced immersion type transformer

Technical Field

The utility model relates to the technical field of cable laying, in particular to a structure-reinforced immersed transformer.

Background

The oil immersed transformer is a novel high-performance transformer with more reasonable structure and better performance, and the three core columns of the three-dimensional rolled iron core are arranged in an equilateral triangle, so that air gaps are avoided in magnetic circuits, the winding is tighter, the lengths of the three magnetic circuits are consistent, the three magnetic circuits are shortest, the cross section area of the core column of the iron core is more similar to a circle, therefore, the performance is further improved, the loss is reduced, the noise is reduced, three items are balanced, and the third harmonic component is reduced.

But current oil-immersed transformer is basically in outdoor use, and the outdoor use in-process oil tank body can directly expose in the outside for the oil tank is heated easily or is wetted and causes the corruption of oily easily, and oily corruption then leads to the insulating properties of transformer to receive very big influence, this kind of condition just arouses the trouble of transformer very easily to the current oil-immersed transformer part is provided with the thermometer and is used for oil temperature detection, and the user can't observe the thermometer constantly, makes the user can't carry out the overheat condition of in time handling the oil tank, and single thermometer's detection mode has certain limitation.

Disclosure of Invention

In order to solve the technical problems, the utility model provides the following technical scheme:

aiming at the defects of the prior art, the utility model provides a structure-reinforced immersed transformer, and aims to solve the problems that in the prior art, an oil tank is easy to be heated or wetted to cause deterioration of oil quality and a detection mode of a single thermometer has certain limitation.

The structure-reinforced immersed transformer comprises an oil tank and a first dampproof plate, wherein the oil tank is connected with the first dampproof plate through two groups of fixing brackets;

the upper end of first dampproofing board is connected with first vacuum insulation board, one side of first dampproofing board all is connected with the second dampproofing board, the upper surface of second dampproofing board all is connected with the second vacuum insulation board, the upper end left side of oil tank is provided with oil level gauge and temperature sensor, temperature sensor's sensing probe sets up inside the oil tank, the temperature controller is installed to the front end upside of oil tank, audible-visual annunciator is installed to the upper end of temperature controller, be equipped with AD converter and central processing unit in the temperature controller.

Preferably, the contact surfaces of the first moisture-proof plate and the first vacuum heat insulation plate are mutually matched, and the contact surfaces of the second moisture-proof plate and the second vacuum heat insulation plate are mutually matched.

Preferably, the second dampproof plate is inclined by 60 degrees, the front end of the first dampproof plate is provided with a thread groove, the rear side of the first dampproof plate is connected with a screw rod, and the screw rod is matched with the thread groove in size.

Preferably, a temperature display panel is arranged on the left side of the front end of the temperature controller, a setting key is arranged on the right side of the front end of the temperature controller, the temperature sensor is connected with an A/D converter in a signal manner, the A/D converter is connected with a central processing unit in a signal manner, and the central processing unit is electrically connected with an audible-visual alarm.

Preferably, the middle part of the upper end of the oil tank is respectively provided with a high-voltage terminal, a low-voltage terminal and a tapping switch, and the right side of the upper end of the oil tank is provided with a conservator.

Preferably, the front side and the rear side of the oil tank are both connected with first corrugated radiators, one side of the oil tank is both connected with second corrugated radiators, and two groups of bases are symmetrically arranged at the bottom of the oil tank.

The embodiment of the utility model provides a structure-reinforced immersed transformer, which has the following beneficial effects: the utility model overcomes the defects of the prior art, the oil immersed transformer is mostly used outdoors by arranging the dampproof plate and the vacuum heat insulation plate, the top can be waterproof and protected by the dampproof plate, the top is heat-insulated by the vacuum heat insulation plate, the stable operation of the transformer is ensured, the device can detect the temperature of the oil tank by the temperature sensor, and the audible and visual alarm alarms when the preset value of a user is reached, so that the oil immersed transformer is convenient for the user to process in time.

1. Through setting up first dampproof plate, first vacuum insulation board, second dampproof plate and second vacuum insulation board, carry out waterproof thermal-insulated to the oil tank top through dampproof plate and vacuum insulation board, the oil tank is affected oily easily when avoiding outdoor use by damp or by outside temperature to guarantee the stability operation of transformer, and first dampproof plate can carry out the screw thread concatenation, and the user can carry out the regulation of horizontal protection area as required, strengthens this oil immersed transformer's protection effect.

2. Through setting up temperature sensor, temperature controller and audible and visual annunciator, temperature sensor carries out real-time detection to the interior oil temperature of oil tank, detects data transmission to the temperature controller, audible and visual annunciator can report to the police when reaching the preset temperature of temperature controller and remind, improves the suggestion effect that detects, need not to use personnel real-time observation thermometer, and the user of being convenient for carries out timely processing.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of a first moisture barrier structure of the present utility model;

FIG. 3 is a schematic diagram of the temperature controller according to the present utility model.

In the figure: 1. an oil tank; 2. a first corrugated radiator; 3. a second corrugated radiator; 4. a base; 5. a high voltage terminal; 6. a low voltage terminal; 7. a conservator; 8. an oil level gauge; 9. an oil drain valve; 10. a tap changer; 11. a temperature controller; 12. a first moisture barrier; 13. a thread groove; 14. a first vacuum insulation panel; 15. a screw; 16. a second moisture barrier; 17. a second vacuum insulation panel; 18. a temperature display panel; 19. setting keys; 20. an audible and visual alarm; 21. a temperature sensor.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Examples: as shown in fig. 1-3, a structurally reinforced immersion transformer comprises an oil tank 1 and a first dampproof plate 12, wherein the oil tank 1 and the first dampproof plate 12 are connected through two groups of fixing brackets, the upper end of the first dampproof plate 12 is connected with a first vacuum insulation board 14, one side of the first dampproof plate 12 is connected with a second dampproof plate 16, the upper surface of the second dampproof plate 16 is connected with a second vacuum insulation board 17, the dampproof plate is also called a melamine plate base material, the water swelling degree of the plate can be greatly reduced, the vacuum insulation board is one of vacuum insulation materials, is formed by compounding a filling core material and a vacuum protection surface layer, effectively avoids heat transfer caused by air convection, and therefore, the heat conductivity coefficient can be greatly reduced, the top of the oil tank 1 is waterproof and insulated through the dampproof plate and the vacuum insulation board, the left side of the upper end of the oil tank 1 is provided with an oil level gauge 8 and a temperature sensor 21, a sensing probe of the temperature sensor 21 is arranged inside the oil tank 1, the front end of the oil tank 1 is provided with a second vacuum insulation board 17, the upper end of the oil tank 11 is provided with an audible and visual alarm 20, the temperature controller 11 is internally provided with a temperature controller A/D and a central temperature sensor 21 for detecting and pre-setting the temperature controller 1 in the oil temperature controller 1 for receiving the audible and visual alarm signal, and warning signal processing is performed by the temperature controller 11.

Specifically, referring to fig. 2, the contact surfaces of the first moisture-proof plate 12 and the first vacuum insulation plate 14 are engaged with each other, and the contact surfaces of the second moisture-proof plate 16 and the second vacuum insulation plate 17 are engaged with each other, so that the heat-insulating effect of the vacuum insulation plate is improved, and the heat-insulating surface is engaged with the moisture-proof surface.

Specifically, please refer to fig. 2, the second dampproof plate 16 is set at an angle of 60 ° for facilitating rainwater drainage, the front end of the first dampproof plate 12 is provided with a thread groove 13, the rear side of the first dampproof plate 12 is connected with a screw 15, the screw 15 is matched with the thread groove 13 in size, a user connects the screw 15 in the thread groove 13, and therefore, the first dampproof plate and the first vacuum insulation plate can be integrally set for multi-group splicing, and the transverse protection area can be adjusted.

Specifically, referring to fig. 3, a temperature display panel 18 is disposed on the left side of the front end of the temperature controller 11, a setting button 19 is disposed on the right side of the front end of the temperature controller 11, a temperature sensor 21 is in signal connection with an a/D converter, the a/D converter is in signal connection with a central processing unit, the central processing unit is electrically connected with an audible and visual alarm 20, the temperature sensor 21 can timely transmit a temperature signal to the a/D converter of the temperature controller 11 to perform analog-to-digital conversion and then transmit the temperature signal to the central processing unit in the temperature controller 11, and a signal for executing prompt and early warning is sent to the audible and visual alarm 20.

Specifically, referring to fig. 1, a high-voltage terminal 5, a low-voltage terminal 6 and a tap switch 10 are respectively disposed in the middle of the upper end of the oil tank 1, the high-voltage winding lead and the low-voltage winding lead are well insulated from the oil tank 1 and fixed, a conservator 7 is mounted on the right side of the upper end of the oil tank 1, the oil level will rise or fall along with the change of temperature due to the expansion and contraction phenomenon of the transformer oil caused by the change of temperature, the action of the conservator 7 is to provide a buffer margin for the expansion and contraction of the oil, the oil tank is kept to be always full of oil, the contact area between the oil and the air is reduced, and the oxidation of the oil can be slowed down.

Specifically, referring to fig. 1, the front and rear sides of the oil tank 1 are connected with a first corrugated radiator 2, one side of the oil tank 1 is connected with a second corrugated radiator 3, and the first corrugated radiator 2 and the second corrugated radiator cooperate with a cooling fan to perform heat dissipation treatment on the oil tank 1 to ensure stable operation.

Working principle: the device carries out waterproof thermal-insulated through dampproofing board and vacuum insulation board to the oil tank top, dampproofing board name melamine board substrate, can make panel meet the degree of water inflation decline greatly, vacuum insulation board is one of vacuum insulation material, it is by filling core material and vacuum protection top layer complex form, it avoids the heat transfer that air convection arouses effectively, consequently, thermal conductivity can reduce by a wide margin, second dampproofing board 16 is 60 setting to one side, be convenient for carry out rainwater drainage, the front end of first dampproofing board 12 is provided with screw groove 13, the rear side of first dampproofing board 12 is connected with screw rod 15, and screw rod 15 and screw groove 13 size agree with, the user connects screw rod 15 in screw groove 13, can carry out the multiunit concatenation of first dampproofing board that an organic whole set up, first vacuum insulation board, can carry out horizontal protection area's regulation, it presets to overheat alarm through temperature controller 11, temperature sensor 21 can in time with temperature signal transmission to temperature controller 11's AD converter, after making it carry out analog-digital conversion again to the central processing unit in 11, and send the warning signal to audible-visual alarm 20 to carry out warning signal to the temperature controller 20, the user need not to observe the warning effect in time, the user is convenient for carrying out the real-time to observe the user.

Claims

1. The structure-reinforced immersion transformer comprises an oil tank (1) and a first moisture-proof plate (12), and is characterized in that the oil tank (1) is connected with the first moisture-proof plate (12) through two groups of fixing brackets;

the upper end of first dampproofing board (12) is connected with first vacuum insulation board (14), one side of first dampproofing board (12) all is connected with second dampproofing board (16), the upper surface of second dampproofing board (16) all is connected with second vacuum insulation board (17), the upper end left side of oil tank (1) is provided with oil level gauge (8) and temperature sensor (21), the sensing probe of temperature sensor (21) sets up inside oil tank (1), temperature controller (11) are installed to the front end upside of oil tank (1), audible-visual annunciator (20) are installed to the upper end of temperature controller (11), be equipped with AD converter and central processing unit in temperature controller (11).

2. The structurally reinforced transformer of claim 1, wherein the contact surfaces of the first moisture barrier (12) and the first vacuum insulation panel (14) are engaged with each other, and the contact surfaces of the second moisture barrier (16) and the second vacuum insulation panel (17) are engaged with each other.

3. The structure-enhanced transformer according to claim 1, wherein the second moisture-proof plates (16) are all inclined by 60 °, the front ends of the first moisture-proof plates (12) are provided with screw grooves (13), the rear sides of the first moisture-proof plates (12) are connected with screw rods (15), and the screw rods (15) are in size fit with the screw grooves (13).

4. The structure-enhanced immersion transformer according to claim 1, wherein a temperature display panel (18) is disposed on the left side of the front end of the temperature controller (11), a setting button (19) is disposed on the right side of the front end of the temperature controller (11), the temperature sensor (21) is in signal connection with an a/D converter, the a/D converter is in signal connection with a central processor, and the central processor is electrically connected with an audible and visual alarm (20).

5. The structure-enhanced immersion transformer according to claim 1, wherein a high-voltage terminal (5), a low-voltage terminal (6) and a tap switch (10) are respectively arranged in the middle of the upper end of the oil tank (1), and a conservator (7) is mounted on the right side of the upper end of the oil tank (1).

6. The structurally reinforced immersion transformer according to claim 1, wherein the front side and the rear side of the oil tank (1) are both connected with a first corrugated radiator (2), one side of the oil tank (1) is both connected with a second corrugated radiator (3), and two groups of bases (4) are symmetrically arranged at the bottom of the oil tank (1).