CN212847983U

CN212847983U - Novel oil-immersed power transformer

Info

Publication number: CN212847983U
Application number: CN202021882118.9U
Authority: CN
Inventors: 华攀月
Original assignee: Yangzhou Qingwei Electromechanical Equipment Co ltd
Current assignee: Yangzhou Qingwei Electromechanical Equipment Co ltd
Priority date: 2020-09-02
Filing date: 2020-09-02
Publication date: 2021-03-30
Anticipated expiration: 2030-09-02

Abstract

The utility model provides a novel oil-immersed power transformer, which comprises a transformer body, wherein a box body is sleeved outside the transformer body, a refrigerating water tank is arranged on one side inside the box body, a water inlet and a water outlet are respectively arranged on the refrigerating water tank, a water suction pump is connected and arranged at the water inlet, a water discharge pump is connected and arranged at the water outlet, cooling curved pipes are arranged on four sides of the transformer body in a contact connection manner, the cooling curved pipes on the four sides are mutually connected, connecting ports at two ends of the cooling curved pipes are respectively connected with the water suction pump and the water discharge pump, a heat-conducting plate is arranged at the upper end of the transformer body, and a circulating; the circulating cooling device comprises a heat absorption box, a connecting pipeline is connected to the heat absorption box, a heat dissipation box is arranged on the connecting pipeline, a protruding block is arranged at the upper end of the heat dissipation box, and a water inlet valve is arranged on one side of the upper end of the heat dissipation box. The utility model discloses surround the transformer all around for its radiating effect is better, and is not afraid of external vibrations and influences.

Description

Novel oil-immersed power transformer

Technical Field

The utility model mainly relates to an oil-immersed power transformer's technical field, concretely relates to novel oil-immersed power transformer.

Background

Electric energy needs to be transmitted for a long distance from a power plant to each electric terminal, and in order to reduce energy loss of the electric energy in the transmission process as much as possible, the processes of boosting and reducing voltage are needed. The power transformer can change voltage and current and is indispensable electrical equipment in power grid systems and industrial production. In practical applications, heat is dissipated through the tank due to the loss of the transformer body, and when the transformer has a small capacity, the transformer is usually cooled naturally, for example, by providing a heat dissipating pipe on the tank. With the increasing of the capacity of the transformer, especially when the transformer is installed and used in a sealed and narrow space, the existing heat dissipation mode can not well meet the requirement of reducing the temperature rise of the product, for example, patent No. 201821496004.3, which includes a cover, a main body, a rotary shaft, a water storage device, an oil tank, a storage battery, a PLC, a temperature sensor, a cooling device and a sound absorption groove, the water storage device, the oil tank, the storage battery, the PLC, the temperature sensor, the cooling device and the sound absorption groove are all arranged in the inner cavity of the main body, the sealing cover and the main body are hinged and buckled through a rotating shaft, the rotating shaft is arranged on the edge of one side of the sealing cover and the main body, the sealing cover comprises a liquid collecting hole, a wind power generation fan, a concave pit and a bolt, the PLC and the temperature sensor are fixedly arranged on the side wall of the inner cavity of the main body, the cooling device comprises a heat dissipation fan and a ventilation hole, and the water pump, the storage battery, the temperature sensor and the heat dissipation fan are all electrically connected with the PLC. Although the fan and the storage battery are generated by wind power, the heat dissipation effect is not good.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a novel oil-immersed power transformer for solve the technical problem who proposes in the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a novel oil-immersed power transformer comprises a transformer body, wherein a box body is sleeved outside the transformer body, a refrigerating water tank is arranged on one side inside the box body, a water inlet and a water outlet are respectively formed in the refrigerating water tank, a water suction pump is connected to the water inlet, a water discharge pump is connected to the water outlet, cooling curved pipes are arranged on four sides of the transformer body in a contact connection mode, the cooling curved pipes on the four sides are mutually connected, connectors at two ends of the cooling curved pipes are connected to the water suction pump and the water discharge pump respectively, a heat conducting plate is arranged at the upper end of the transformer body in a contact connection mode, and a circulating cooling device is arranged above; the circulating cooling device comprises a heat absorption box connected with the heat conduction plate, a plurality of connecting pipelines are fixedly connected to the heat absorption box, a heat dissipation box is arranged on each connecting pipeline, a protruding block is arranged at the upper end of each heat dissipation box, and a water inlet valve is arranged on one side of the upper end of each heat dissipation box.

Preferably, the interior of the circulating cooling device is communicated, and the heat dissipation box and the connecting pipeline connecting bottom plate are inclined and inclined to the pipeline opening of the connecting pipeline. In the preferred embodiment, the heat dissipation box and the connecting pipeline connecting bottom plate are inclined, so that the cooling water can fall conveniently.

Preferably, the heat dissipation box is located the box upper end, the protruding piece evenly is equipped with a plurality ofly, the connection of heat absorption box both ends is equipped with the bracing piece, the bracing piece is connected on the box inner wall. In the preferred embodiment, the contact area between the heat sink and the outside can be increased through the plurality of the convex blocks, so that the heat sink is more convenient to dissipate.

Preferably, two symmetrical supports are fixedly arranged on the bottom wall in the box body, and the other ends of the two supports are connected to the bottom of the transformer body. In this preferred embodiment, through the support, can realize avoiding transformer body bottom and box inner wall coincidence, lead to the difficult heat dissipation in transformer body bottom.

Preferably, the inner shell of the box body is covered with sound insulation cotton on one side, and a heat insulation layer is arranged in the sound insulation cotton. In this preferred embodiment, through soundproof cotton and heat preservation, can realize avoiding the influence that the internal noise brought to can guarantee that inside air conditioning can not run off.

Preferably, the bottom of the box body is provided with a base, two symmetrical connecting seats are connected and arranged between the box body and the base, a plurality of damping devices are arranged between the connecting seats, each damping device comprises mounting seats which are respectively mounted on an upper shell and a lower shell inside the connecting seats, and springs are connected and arranged between the two opposite mounting seats. In the preferred embodiment, the vibration-damping means can prevent the internal devices from being damaged by vibration.

Preferably, the mounting seat is fixedly connected with first clamping blocks arranged at two ends of the outer side of the spring, and two symmetrical second clamping blocks are fixedly arranged at two sides of the inner side of the spring. In the preferred embodiment, the first latch and the second latch can prevent the spring from deviating and dislocating.

Compared with the prior art, the utility model has the advantages that the device adopts the refrigeration water tank and the cooling curved pipe, the cooling curved pipe surrounds the transformer body, the water pump and the drainage pump drive the cooling water in the cooling curved pipe to flow, and the heat dissipation effect is improved by simultaneously dissipating the heat at four sides; the circulating cooling device is adopted, so that the cost is saved, and the heat dissipation effect is enhanced; the damping device is adopted, so that the influence of external vibration on the transformer body is avoided, the internal device is damaged, and the safety of the device is further improved; is provided with soundproof cotton. The influence caused by the noise generated by the internal device can be avoided.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is an isometric view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a connection diagram of the refrigeration water tank of the present invention;

FIG. 4 is an isometric view of a portion of the hydronic apparatus of the present invention;

fig. 5 is a plan view of the damping device of the present invention.

In the figure: 1. a box body; 11. a transformer body; 12. a refrigeration water tank; 13. a water pump; 14. draining pump; 15. cooling the bent pipe; 16. a heat conducting plate; 2. a circulating cooling device; 21. a heat absorption box; 22. connecting a pipeline; 23. a heat dissipation box; 24. a raised block; 25. a water inlet valve; 26. a support bar; 3. a base; 31. a connecting seat; 32. a support; 33. sound insulation cotton; 34. a heat-insulating layer; 4. a damping device; 41. a mounting seat; 42. a spring; 43. a first clamping block; 44. and a second clamping block.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1, 2, and 3, the present invention provides a technical solution: a novel oil-immersed power transformer comprises a transformer body 11, a box body 1 is sleeved outside the transformer body 11, a refrigerating water tank 12 is arranged on one side inside the box body 1, a water inlet and a water outlet are respectively arranged on the refrigerating water tank 12, the water inlet is connected with a water pump 13, the water outlet is connected with a water discharge pump 14, four sides of the transformer body 11 are respectively provided with a cooling curved pipe 15 in a contact connection mode, the cooling curved pipes 15 on the four sides are mutually connected, and the connection ports connected with the two ends of the cooling curved pipe 15 are respectively connected with the water pump 13 and the water discharge pump 14, the cooling water in the refrigeration water tank 12 enters the cooling curved pipe 15 through the water discharge pump 14 to absorb the heat of the transformer body 11, the water pump 13 makes the cooling water in the cooling curved pipe 15, after absorbing the heat of the transformer body 11, the refrigerant returns to the inside of the refrigerant tank 12 to be cooled. The upper end contact of transformer body 11 is connected and is equipped with heat-conducting plate 16, heat-conducting plate 16 top is equipped with cooling back installation 2, fixed two supports 32 that are equipped with the symmetry on the inside diapire of box 1, two the support 32 other end is connected in transformer body 11 bottom, through support 32, can avoid the coincidence of transformer body 11 bottom and 1 inner wall of box, leads to the difficult heat dissipation in transformer body 11 bottom.

Please refer to fig. 1, 2 and 4, wherein the circulating cooling device 2 includes a heat absorbing box 21 connected to the heat conducting plate 16, the heat absorbing box 21 is fixedly connected to a plurality of connecting pipes 22, the connecting pipes 22 are provided with heat dissipating boxes 23, the upper ends of the heat dissipating boxes 23 are provided with protruding blocks 24, the heat dissipating boxes 23 are located at the upper end of the box body 1, the protruding blocks 24 are uniformly provided with a plurality of protruding blocks 24, the plurality of protruding blocks 24 can increase the contact area with the outside to facilitate heat dissipation, one side of the upper end of the heat dissipating box 23 is provided with a water inlet valve 25, cooling water can be added through the water inlet valve 25, the interior of the circulating cooling device 2 is communicated, the bottom plate of the heat dissipating box 23 connected to the connecting pipes 22 is inclined and inclined to the pipe mouth of the connecting pipes 22 to facilitate the backflow of the cooling water, two ends of the heat absorbing box 21 are connected to support rods 26, the, the supporting rod 26 can fix the heat absorption box 21, the heat conduction plate 16 transmits a large amount of heat to the heat absorption box 21, the heat absorption box 21 absorbs the heat in the box body 1, the heat absorption box 21 heats the internal cooling water, the cooling water is heated and evaporated to form water vapor, the water vapor is cooled and condensed to form water, and the water vapor flows back through the connecting pipeline 22 to absorb the heat by the heat absorption box 21, so that the heat is dissipated by the heat dissipation box 23. Cover on the 1 inner shell of box and be equipped with one side soundproof cotton 33, be equipped with one deck heat preservation 34 in the soundproof cotton 33, through soundproof cotton 33 and heat preservation 34, can realize avoiding the influence that the internal noise brought to can guarantee that inside air conditioning can not run off.

Please refer to fig. 1 and 5 again, the bottom of the box body 1 is provided with the base 3, two symmetrical connecting seats 31 are connected between the box body 1 and the base 3, a plurality of damping devices 4 are arranged between the connecting seats 31, each damping device 4 comprises an installation seat 41 respectively installed on an upper shell and a lower shell inside the connecting seat 31, a spring 42 is connected between two opposite installation seats 41, the spring 42 can relieve vibration caused by the outside, and damage to the internal devices is avoided, the installation seats 41 are fixedly connected with first clamping blocks 43 arranged at two ends of the outer side of the spring 42, two symmetrical second clamping blocks 44 are fixedly installed at two sides of the inner side of the spring 42, and the first clamping blocks 43 and the second clamping blocks 44 can avoid deviation and dislocation of the spring 42.

The utility model discloses a concrete operation as follows:

the staff adds cooling water to the inside of the heat dissipation box 23 through the water inlet valve 25, when the transformer body 11 dissipates heat, the water discharge pump 14 and the water suction pump 13 are started, the cooling water in the refrigeration water tank 12 enters the cooling curved pipe 15 through the water discharge pump 14 to absorb the heat of the transformer body 11, the water suction pump 13 enables the cooling water in the cooling curved pipe 15 to return to the inside of the refrigeration water tank 12 for cooling after absorbing the heat of the transformer body 11, circulation is formed, the heat conduction plate 16 on the upper side of the transformer body 11 transfers a large amount of heat to the heat absorption box 21, the heat absorption box 21 absorbs the heat in the box body 1, the heat absorption box 21 heats the cooling water in the inside, the cooling water forms vapor after heating and evaporation, the cooling water is cooled and condensed to form water through the connecting pipeline 22 to the heat dissipation box 23, the heat dissipation box 23 dissipates heat, the vapor is cooled and condensed to, when the outside vibrates, the spring 42 can relieve the vibration caused by the outside, and damage to the internal device is avoided.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims

1. The utility model provides a novel oil-immersed power transformer, includes transformer body (11), its characterized in that: the transformer body (11) is sleeved with a box body (1), one side inside the box body (1) is provided with a refrigerating water tank (12), the refrigerating water tank (12) is respectively provided with a water inlet and a water outlet, the water inlet is connected with a water suction pump (13), the water outlet is connected with a water discharge pump (14), four sides of the transformer body (11) are respectively provided with a cooling curved pipe (15) in a contact connection mode, the cooling curved pipes (15) on the four sides are mutually connected, connecting ports at two ends of the cooling curved pipe (15) connected with the connecting ports are respectively connected with the water suction pump (13) and the water discharge pump (14), the upper end of the transformer body (11) is provided with a heat conducting plate (16) in a contact connection mode, and a circulating cooling device;

the circulating cooling device (2) comprises a heat absorption box (21) connected with the heat conduction plate (16), the heat absorption box (21) is fixedly connected with a plurality of connecting pipelines (22), the connecting pipelines (22) are provided with heat dissipation boxes (23), the upper ends of the heat dissipation boxes (23) are provided with protruding blocks (24), and one side of the upper ends of the heat dissipation boxes (23) is provided with a water inlet valve (25).

2. The novel oil-immersed power transformer according to claim 1, characterized in that: the interior of the circulating cooling device (2) is communicated, and the heat dissipation box (23) and the connecting pipeline (22) are connected with the bottom plate in an inclined manner and inclined to the pipeline opening of the connecting pipeline (22).

3. The novel oil-immersed power transformer according to claim 1, characterized in that: the heat dissipation box (23) is located at the upper end of the box body (1), the plurality of protruding blocks (24) are uniformly arranged, supporting rods (26) are connected to two ends of the heat absorption box (21), and the supporting rods (26) are connected to the inner wall of the box body (1).

4. The novel oil-immersed power transformer according to claim 1, characterized in that: two symmetrical supports (32) are fixedly arranged on the bottom wall in the box body (1), and the other ends of the two supports (32) are connected to the bottom of the transformer body (11).

5. The novel oil-immersed power transformer according to claim 1, characterized in that: the box body (1) inner shell is covered with one side soundproof cotton (33), and a layer of heat preservation layer (34) is arranged in the soundproof cotton (33).

6. The novel oil-immersed power transformer according to claim 1, characterized in that: the box (1) bottom is equipped with base (3), it is equipped with two symmetrical connecting seats (31) to connect between box (1) and base (3), be equipped with a plurality of damping device (4) between connecting seat (31), every damping device (4) are including installing mount pad (41) on the casing about connecting seat (31) is inside respectively, two relatively connect between mount pad (41) and be equipped with spring (42).

7. The novel oil-immersed power transformer according to claim 6, characterized in that: the mounting seat (41) is fixedly connected with first clamping blocks (43) arranged at two ends of the outer side of the spring (42), and two symmetrical second clamping blocks (44) are fixedly mounted on two sides of the inner side of the spring (42).