CN211628864U

CN211628864U - Vegetable oil transformer

Info

Publication number: CN211628864U
Application number: CN202020174432.5U
Authority: CN
Inventors: 黄宁宇; 李德旺
Original assignee: Shanghai Youbian Power Technology Co ltd
Current assignee: Shanghai Youbian Power Technology Co ltd
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-10-02
Anticipated expiration: 2030-02-14

Abstract

The utility model discloses a vegetable oil transformer, comprising an oil tank, oil tank bottom linking bridge, the inside vegetable oil that is equipped with of oil tank, the inside ware body of having placed of vegetable oil, the ware is installed low voltage wire terminal and high voltage wire terminal one end on one's body, the mounting panel of oil tank upper end is rushed through the high voltage wire terminal other end to low voltage wire terminal and high voltage wire terminal, the mounting panel passes through the bolt fastening on the oil tank, low voltage wire terminal pot head has the low pressure sleeve pipe, high voltage wire terminal pot head has high-tension bushing, still be equipped with the oil level display on the oil tank, on the oil level display is fixed in the mounting panel, during the bottom stretches into the vegetable oil, be fixed with on the mounting panel and have to carry and transfer appearance regulating switch, have to carry and transfer appearance regulating switch connection director, the controller. The device adopts vegetable oil to replace mineral oil, can be naturally degraded, has good electrical performance, and can effectively delay insulation aging.

Description

Vegetable oil transformer

Technical Field

The utility model relates to a transformer technical field, concretely relates to vegetable oil transformer.

Background

During the normal operation of the transformer, the inner insulation is mainly composed of mineral oil and composite insulation composed of insulating paper or insulating paper boards. Due to the fact that the insulating paper and the insulating plates cannot be replaced, the service life of the transformer is mainly determined by the insulating materials and the temperature. In the conventional transformer, the mineral oil is carbon-based insulating oil, and the heat dissipation of the transformer is realized only by simply dissipating heat by using corrugated plates, so that the coking of a lead and a switch contact can be promoted in the operation of the transformer, the aging of an insulating material is accelerated, and the service life of the transformer is greatly reduced.

Disclosure of Invention

An object of the utility model is to provide a vegetable oil transformer to solve the problem that proposes among the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a vegetable oil transformer, includes the oil tank, oil tank bottom linking bridge, the inside vegetable oil that is equipped with of oil tank, the inside ware body of having placed of vegetable oil, the ware is installed low voltage wire terminal and high voltage wire terminal one end on one's body, the mounting panel of oil tank upper end is rushed over to low voltage wire terminal and the high voltage wire terminal other end, the mounting panel passes through the bolt fastening on the oil tank, low voltage wire terminal pot head has low-voltage sleeve pipe, high voltage wire terminal pot head has high-voltage sleeve pipe, still be equipped with the oil level display on the oil tank, the oil level display is fixed in on the mounting panel, and the bottom stretches into in the vegetable oil, be fixed with on the mounting panel and have to carry to transfer and hold the tap changer, have to transfer and hold tap changer connection.

Preferably, the oil tank includes the box, the welding of the box outside has the buckled plate, the box upper end is equipped with the case edge, the case is equipped with along the downside and hangs and mix, the bottom half is equipped with the dual-purpose valve of oil drain, be equipped with cooling device on the buckled plate.

Preferably, cooling device includes cooling controlling means, temperature sensor, cooling tube and cooler bin, temperature sensor installs on the buckled plate, temperature sensor electrical connection cooling controlling means, cooling tube installs in the clearance between the adjacent buckled plate, cooling tube and cooler bin pipe connection, cooler bin and cooling controlling means electrical connection, the inside coolant liquid that is equipped with of cooler bin.

The utility model discloses a technological effect and advantage: the device adopts vegetable oil to replace mineral oil, can be naturally degraded, has good electrical performance, and can effectively delay insulation aging; be equipped with cooling device on the buckled plate, can effectively reduce the temperature of transformer, can slow down the ageing speed of insulating paper and insulation board in the internal insulation.

Drawings

Fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a front view of the fuel tank of the present invention;

FIG. 4 is a left side view of the fuel tank of the present invention;

fig. 5 is a schematic view of the cooling device of the present invention.

In the figure: 1-oil tank, 2-bracket, 3-vegetable oil, 4-low-voltage lead terminal, 5-high-voltage lead terminal, 6-mounting plate, 7-low-voltage sleeve, 8-high-voltage sleeve, 9-oil level display, 10-on-load capacity-regulating and pressure-regulating switch, 11-controller, 12-corrugated plate, 13-tank edge, 14-hanging mixer, 15-oil-discharging dual-purpose valve, 16-cooling device, 17-tank body, 162-temperature sensor, 163-cooling pipeline and 164-cooling tank.

Detailed Description

In order to make the technical means, the creative features, the objectives and the functions of the present invention easily understood and appreciated, the present invention will be further described with reference to the specific drawings, and in the description of the present invention, unless otherwise specified or limited, the terms "mounted," connected "and" connected "should be understood broadly, and for example, the terms" fixed connection, "detachable connection," integral connection, mechanical connection, and electrical connection may be used; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

Example 1

As shown in fig. 1-4, a vegetable oil transformer comprises an oil tank 1, a bottom connecting bracket 2 of the oil tank 1, vegetable oil 3 is arranged in the oil tank 1, a device body is arranged in the vegetable oil 3, a low-voltage wire terminal 4 and one end of a high-voltage wire terminal 5 are arranged on the device body, the other end of the low-voltage wire terminal 4 and the other end of the high-voltage wire terminal 5 break through a mounting plate 6 at the upper end of the oil tank 1, the mounting plate 6 is fixed on the oil tank 1 through bolts, a low-voltage sleeve 7 is sleeved at the upper end of the low-voltage wire terminal 4, a high-voltage sleeve 8 is sleeved at the upper end of the high-voltage wire terminal 5, an oil level display 9 is further arranged on the oil tank 1, the oil level display 9 is fixed on the mounting plate 6, the bottom of the oil is extended into the vegetable oil 3, an on-load capacity-, the controller 11 is fixed on one side of the oil tank 1.

Preferably, the oil tank 1 comprises a tank body 11, a corrugated plate 12 is welded on the outer side of the tank body 11, a tank edge 13 is arranged at the upper end of the tank body 11, a hanging and stirring device 14 is arranged on the lower side of the tank edge 13, an oil drainage dual-purpose valve 15 is arranged at the bottom of the tank body 11, and a cooling device 16 is arranged on the corrugated plate 12.

Example 2

A vegetable oil transformer as shown in fig. 1-5, which comprises an oil tank 1, wherein a connecting bracket 2 is arranged at the bottom of the oil tank 1, vegetable oil 3 is arranged in the oil tank 1, a device body is arranged in the vegetable oil 3, a low-voltage wire terminal 4 and one end of a high-voltage wire terminal 5 are arranged on the device body, the other end of the low-voltage wire terminal 4 and the other end of the high-voltage wire terminal 5 break through a mounting plate 6 arranged at the upper end of the oil tank 1, the mounting plate 6 is fixed on the oil tank 1 through bolts, a low-voltage sleeve 7 is sleeved at the upper end of the low-voltage wire terminal 4, a high-voltage sleeve 8 is sleeved at the upper end of the high-voltage wire terminal 5, an oil level display 9 is further arranged on the oil tank 1, the oil level display 9 is fixed on the mounting plate 6, the bottom of the oil is extended into the vegetable oil 3, the controller 11 is fixed on one side of the oil tank 1.

Preferably, the oil tank 1 includes the box 17, the welding of the box 17 outside has buckled plate 12, the box 17 upper end is equipped with case edge 13, the case is equipped with along 13 downside and hangs and mix 14, the box 17 bottom is equipped with dual-purpose valve 15 of oil drain, be equipped with cooling device 16 on the buckled plate 12.

Preferably, the cooling device 16 comprises a cooling control device, a temperature sensor 162, a cooling pipe 163 and a cooling tank 164, wherein the temperature sensor 162 is installed on the corrugated plates 12, the temperature sensor 162 is electrically connected with the cooling control device, the cooling pipe 163 is installed in a gap between adjacent corrugated plates 12, the cooling pipe 163 is connected with the cooling tank 164 through a pipe, the cooling tank 164 is electrically connected with the cooling control device, and the cooling tank 164 is internally filled with cooling liquid.

The utility model discloses process flow and theory of operation do: use wire low pressure wire terminal 4 and high-voltage wire terminal 5, the operation transformer, 3 through the inside vegetable oil of oil tank 1 insulate, the transformer is in the operation regulation, 3 temperature risees of vegetable oil, use buckled plate 12 external heat dissipation through heat-conduction, temperature sensor 162 detects the temperature of buckled plate 12, reach the setting value upper limit when the temperature, temperature sensor 162 feedback signal gives cooling control device, start cooler bin 164 and cool off buckled plate 12 through cooling tube 163, reach the setting value lower limit when the temperature, cooling control device control cooler bin 164 closes.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The vegetable oil transformer comprises an oil tank and is characterized in that: oil tank bottom linking bridge, the inside vegetable oil that is equipped with of oil tank, the inside ware body of having placed of vegetable oil, the ware is installed low voltage wire terminal and high voltage wire terminal one end on one's body, the mounting panel of oil tank upper end is rushed through the low voltage wire terminal and the high voltage wire terminal other end, the mounting panel passes through the bolt fastening on the oil tank, low voltage wire terminal pot head has low pressure sleeve pipe, high voltage wire terminal pot head has high-pressure sleeve pipe, still be equipped with the oil level display on the oil tank, the oil level display is fixed in on the mounting panel, and during the bottom stretched into the vegetable oil, be fixed with on the mounting panel and have the load to transfer and hold the tap changer, have the load to transfer and hold tap changer connection director, the controller is.

2. The vegetable oil transformer of claim 1, wherein: the oil tank includes the box, the welding of box outside has the buckled plate, the box upper end is equipped with the case edge, the case is equipped with along the downside and hangs and mix, the bottom half is equipped with the dual-purpose valve of oil drain, be equipped with cooling device on the buckled plate.

3. The vegetable oil transformer of claim 2, wherein: the cooling device comprises a cooling control device, a temperature sensor, a cooling pipeline and a cooling box, wherein the temperature sensor is installed on the corrugated plates, the temperature sensor is electrically connected with the cooling control device, the cooling pipeline is installed in gaps between the adjacent corrugated plates and is connected with the cooling box through a pipeline, the cooling box is electrically connected with the cooling control device, and cooling liquid is filled in the cooling box.