CN220753197U - Transformer oil heating device for high-temperature overload - Google Patents

Abstract

The utility model discloses a high-temperature overload transformer oil heating device, which relates to the technical field of heating devices and aims at solving the problems that the existing transformer cannot heat transformer oil and the transformer oil still needs to be manually operated when being poured into the transformer. The transformer oil heating device is novel in structure, and the problem that the existing transformer cannot heat transformer oil is effectively solved.

Description

Transformer oil heating device for high-temperature overload

Technical Field

The utility model relates to the technical field of heating devices, in particular to a high-temperature overload transformer oil heating device.

Background

The transformer oil is a mineral oil obtained by distillation and refining in natural petroleum, and is a mixture of liquid natural hydrocarbon which is obtained by refining lubricating oil fraction in petroleum by acid and alkali, and has the advantages of purity, stability, low viscosity, good insulativity and good cooling property.

The existing transformer can not heat the transformer oil to a certain extent, and most transformers can not heat the transformer oil uniformly, and the transformer oil needs to be manually operated when being filled with the transformer oil, so that the transformer oil heating device is troublesome, and in order to optimize the problems, we propose a high-temperature overload transformer oil heating device.

Disclosure of Invention

The utility model provides a high-temperature overload transformer oil heating device, which solves the problems that the existing transformer cannot heat transformer oil and the transformer oil still needs to be manually poured into the transformer oil.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a high temperature overload transformer oil heating device, includes the box body, the box body top is equipped with the apron, and the apron seals with the box body through the screw, apron top one side is equipped with two sets of high-voltage bushing, and the other end is equipped with four sets of low-voltage bushing, the apron top is equipped with the water pump, the inside pressure regulating mechanism that is equipped with of box body, the box body bottom is equipped with the flowing back hole, and the flowing back hole is controlled by the solenoid valve, the box body bottom is equipped with the support, and support and box body fixed connection, all bulge all around the box body top, and carry out threaded connection through the screw with the apron.

As a preferable technical scheme of the utility model, a voltage regulating mechanism is arranged in the box body and is composed of a transformer magnetic core as a main body, a plurality of groups of low-voltage coils are surrounded outside the transformer magnetic core, an insulating sleeve is arranged outside the low-voltage coils, a plurality of groups of high-voltage coils are wound outside the insulating sleeve, an external insulating sleeve is arranged outside the insulating sleeve, and an off-line decomposition switch is arranged at the top end of the transformer magnetic core and connected with the high-voltage coils through the external insulating sleeve.

As a preferable technical scheme of the utility model, the top end of the cover plate is provided with the water pump, the water pump is fixedly connected with the cover plate through the fixing support, the tail end of the water pump is connected with two groups of water pipes, and one water pipe penetrates through the cover plate to the inside of the box body.

As a preferable technical scheme of the utility model, the bottom end of the box body is provided with the electromagnetic valve which is embedded in the bottom end of the box body, and the water delivery pipe of the electromagnetic valve is arranged in the liquid discharge hole.

As a preferable technical scheme of the utility model, the heating mechanism is arranged in the box body and comprises heating copper wires, the heating copper wires are arranged on four walls in the box body, the heating copper wires are fixed and heated to 60-80 ℃, and a plurality of groups of radiators are arranged on the four walls in the box body.

As a preferable technical scheme of the utility model, the transformer magnetic core is composed of three ferromagnetic elements of iron, cobalt and nickel, and the transformer magnetic core is composed of a plurality of groups of thin metal sheets.

As a preferable technical scheme of the utility model, the first motor is fixed on the cover plate, and a protective shell is sleeved outside the cover plate.

The beneficial effects of the utility model are as follows:

1. the device embeds multiunit heating copper wire, can heat up the transformer oil in the transformer for the evaporation of the moisture of transformer oil, more stable when the transformer carries out the work, can let the transformer work in more scenes.

2. The top end of the device is provided with a water pump, which can automatically extract the transformer oil without manual feeding, the bottom end is provided with an electromagnetic valve, which can automatically discharge the transformer oil,

in conclusion, the device effectively solves the problem that the transformer cannot heat the transformer oil.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an overall cross-sectional view of the present utility model.

Fig. 3 is a schematic view of a pressure regulating mechanism according to the present utility model.

Fig. 4 is a schematic view of the internal structure of the present utility model.

Fig. 5 is a cross-sectional view of another angle of the present utility model.

Reference numerals in the drawings: 1. a cover plate; 2. a case body; 3. a water pump; 4. a water pipe; 5. a fixed bracket; 6. a high voltage bushing; 7. a low voltage bushing; 8. an air outlet valve; 9. a heat sink; 10. a screw; 11. a bracket; 12. an outer insulating sleeve; 13. a high voltage coil; 14. an insulating sleeve; 15. a low voltage coil; 16. a transformer core; 17. heating the copper wire; 18. an off-line disconnection switch; 19. an electromagnetic valve; 20. and a liquid discharge hole.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of 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 "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.

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 will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, a high temperature overload transformer oil heating device, including box body 2, box body 2 top is equipped with apron 1, and apron 1 seals with box body 2 through screw 10, apron 1 top one side is equipped with two sets of high-voltage bushings 6, the other end is equipped with four sets of low-voltage bushings 7, apron 1 top is equipped with water pump 3, the inside pressure regulating mechanism that is equipped with of box body 2, box body 2 bottom is equipped with fluid-discharge hole 20, and fluid-discharge hole 20 is controlled by solenoid valve 19, box body 2 bottom is equipped with support 11, and support 11 and box body 2 fixed connection, all bulge all around the box body 2 top, and carry out threaded connection through screw 10 with apron 1 for this device can realize automatic transformer oil extraction, and this device is inside to be sealed environment, the air outlet valve 8 on top will be discharged the vapor that the transformer oil produced.

The inside voltage regulating mechanism that is equipped with of box body 2, voltage regulating mechanism comprises transformer core 16 as the main part, and transformer core 16 outside is around multiunit low-voltage coil 15, and there is insulating sleeve 14 outside the low-voltage coil 15, and insulating sleeve 14 is around having multiunit high-voltage coil 13 outward, and outside is equipped with outside insulating sleeve 12, and the transformer core 16 top is equipped with off-line decomposition switch 18, and runs through outside insulating sleeve 12 and be connected with high-voltage coil 13, and this structure carries out high-voltage conversion to the transformer for the transformer is more stable, safer.

The apron 1 top is equipped with water pump 3, and water pump 3 passes through fixed bolster 5 and apron 1 fixed connection, and water pump 3 tail end connection has two sets of water pipes 4, and a water pipe 4 runs through apron 1 to inside the box body 2, this structure makes this device can carry out automatic extraction to transformer oil, it is comparatively convenient, the box body 2 bottom is equipped with solenoid valve 19, and solenoid valve 19 inlays inside the box body 2 bottom, solenoid valve 19's raceway is arranged in the apopore 20, this structure can discharge the transformer oil of transformer inside fast, and need not manual operation, the inside heating mechanism that is equipped with of box body 2, including heating copper wire 17, heating copper wire 17 arranges at the inside four walls of box body 2, and heating copper wire 17 is fixed to between 60 ℃ to 80 ℃, the outside four walls of box body 2 are equipped with multiunit radiator 9, this structure makes this device heat up, and keep range temperature for a long time for this device is more stable.

Working principle: the water pump 3 drives the water pipe 4 to suck transformer oil into the box body 2, then the heating copper wire 17 arranged in the device heats the transformer oil, the heating range of the heating copper wire 17 is between 60 ℃ and 80 ℃, water vapor in the transformer oil is evaporated through heating, the water vapor is discharged through the air outlet valve 8 at the top end of the device, then the radiator 9 arranged outside the device dissipates heat of the device, so that the device cannot maintain a higher temperature for a long time, if the transformer oil needs to be replaced, the electromagnetic valve 19 is arranged at the bottom end of the device, and the water outlet and the liquid discharge hole 20 of the electromagnetic valve 19 can be combined, so that liquid leakage cannot occur.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that, for those skilled in the art, several improvements and modifications can be made without departing from the principles of the present utility model, and these improvements and modifications should also be considered as the protection scope of the present utility model, and other parts not described in detail in the present utility model belong to the prior art, so that the details are not repeated herein, and finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (6)

1. The utility model provides a high temperature overload transformer oil heating device, includes box body (2), its characterized in that, box body (2) top is equipped with apron (1), and apron (1) seals with box body (2) through screw (10), apron (1) top one side is equipped with air outlet valve (8), apron (1) top one side is equipped with two sets of high-pressure bushings (6), and the other end is equipped with four sets of low-pressure bushings (7), apron (1) top is equipped with water pump (3), box body (2) inside is equipped with pressure regulating mechanism, box body (2) bottom is equipped with fluid-discharge hole (20), and fluid-discharge hole (20) are controlled by solenoid valve (19), box body (2) bottom is equipped with support (11), and support (11) and box body (2) fixed connection, all bulge all around box body (2) top, and carry out threaded connection through screw (10) with apron (1).

2. The high-temperature overload transformer oil heating device according to claim 1, wherein the voltage regulating mechanism comprises a transformer core (16), a plurality of groups of low-voltage coils (15) are surrounded outside the transformer core (16), an insulating sleeve (14) is arranged outside the low-voltage coils (15), a plurality of groups of high-voltage coils (13) are wound outside the insulating sleeve (14), an external insulating sleeve (12) is arranged outside the insulating sleeve, an offline decomposition switch (18) is arranged at the top end of the transformer core (16), and the transformer core is connected with the high-voltage coils (13) through the external insulating sleeve (12).

3. The high-temperature overload transformer oil heating device according to claim 1, wherein the water pump (3) is fixedly connected with the cover plate (1) through the fixing support (5), two groups of water pipes (4) are connected to the tail end of the water pump (3), and one water pipe (4) penetrates through the cover plate (1) to the inside of the box body (2).

4. The high-temperature overload transformer oil heating device according to claim 1, wherein the bottom end of the box body (2) is provided with an electromagnetic valve (19), the electromagnetic valve (19) is embedded in the bottom end of the box body (2), and a water delivery pipe of the electromagnetic valve (19) is arranged in the liquid discharge hole (20).

5. The high-temperature overload transformer oil heating device according to claim 1, wherein a heating mechanism is arranged inside the box body (2) and comprises heating copper wires (17), the heating copper wires (17) are arranged on four walls inside the box body (2), the heating copper wires (17) are fixedly heated to 60-80 ℃, and a plurality of groups of radiators (9) are arranged on four walls outside the box body (2).

6. A high temperature overload transformer oil heating apparatus as claimed in claim 2, characterized in that the transformer core (16) is composed of three ferromagnetic elements of iron, cobalt and nickel, and the transformer core (16) is composed of a plurality of sets of thin metal sheets.