CN219301905U

CN219301905U - European style transformer sealing experimental device

Info

Publication number: CN219301905U
Application number: CN202223596104.2U
Authority: CN
Inventors: 马正芳
Original assignee: Zhiyuan Shanghai Electric Co ltd
Current assignee: Zhiyuan Shanghai Electric Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-07-04
Anticipated expiration: 2032-12-31

Abstract

The utility model relates to the technical field of transformer detection, in particular to an European transformer sealing experimental device, which has the technical scheme that: including the European style transformer body, european style transformer body top is provided with the oil filler point, still including the detection component that is used for carrying out sealed experiment to the European style transformer body, the detection component passes through coupling assembling and is connected with the oil filler point can be dismantled, still be provided with the pressure release subassembly on the detection component, the beneficial effect of the utility model is: simple structure, safe and reliable, convenient to use, under the circumstances that does not improve manufacturing cost, and the operation is very convenient and reduce gas leakage reworking, fine sealed experiment is carried out to European transformer to effectual guarantee European transformer sealed experiment.

Description

European style transformer sealing experimental device

Technical Field

The utility model relates to the technical field of transformer detection, in particular to an European transformer sealing experimental device.

Background

The European transformer is also called European transformer substation, is one of the box transformer, has the characteristics of strong complete set, small volume, compact structure, safe and reliable operation, convenient maintenance, portability and the like, the insulating property and the electrical property of the transformer can be changed, and in order to ensure safe operation, necessary experiments are required to be carried out on the transformer to identify whether the transformer can meet the requirement of safe operation, and generally, the distribution transformer should be subjected to preventive experiments every year.

The sealing test of the European transformer is that the pressure gauge adds the valve needle, it is not very convenient to operate, still appear the gas leakage phenomenon, cause the experiment to rework more, the experimental efficiency is lower, because reworking causes the problem that the cost expense increases, delivery time is prolonged for the company, therefore, it is very necessary to invent a sealing test device of the European transformer.

Disclosure of Invention

Therefore, the utility model provides the European transformer sealing experimental device, which aims to solve the problems that the operation is not very convenient, the air leakage phenomenon occurs in the old, the experiment reworking is more, the experiment efficiency is lower, the cost is increased for a company due to reworking, and the delivery time is prolonged because the conventional European transformer sealing experiment is a pressure gauge valve needle.

In order to achieve the above object, the present utility model provides the following technical solutions: the utility model provides an European style transformer seals experimental apparatus, includes European style transformer body, and European style transformer body top is provided with the oil filler point, still includes the detection component that is used for sealed experiment to European style transformer body, detection component passes through coupling assembling and can dismantle with the oil filler point and be connected, still be provided with the pressure release subassembly on the detection component.

Preferably, the detection assembly comprises a four-way pipe, a first spherical valve is connected with a right end flange of the four-way pipe, a gas hose is connected with a right end flange of the first spherical valve, and an air compressor is fixedly arranged at one end, far away from the first spherical valve, of the gas hose.

Preferably, the detection assembly further comprises a pressure gauge seat, the bottom end flange of the pressure gauge seat is connected to the top end of the four-way pipe, and the top end of the pressure gauge seat is fixedly provided with a pressure gauge.

Preferably, the connecting assembly comprises a connecting pipe, the flange connection at the top end of the connecting pipe is arranged at the bottom end of the four-way pipe, a connecting seat is fixedly arranged at the top of the European transformer body and is arranged at the top end of the oil filling hole, the bottom end of the connecting pipe is inserted into the connecting seat, and the surface of the connecting pipe is in threaded connection with the inner wall of the connecting seat.

Preferably, the connecting assembly further comprises a sealing gasket sleeved on the connecting pipe, the bottom of the sealing gasket is attached to the top of the connecting seat, and the sealing gasket is in a compressed state.

Preferably, the pressure discharging assembly comprises a second spherical valve, and the second spherical valve is connected with the left end of the four-way pipe in a flange mode.

The beneficial effects of the utility model are as follows: through the cooperation of European style transformer body, oil filler point, detection component, coupling assembling and the pressure discharge subassembly that sets up and use, provide a simple structure, safe and reliable, convenient to use's sealed experimental apparatus of transformer, under the circumstances that does not improve manufacturing cost, the operation is very convenient and reduce the gas leakage reworking, fine sealed experiment is carried out to European style transformer to effectual guarantee European style transformer sealed experiment.

Drawings

FIG. 1 is a schematic diagram of a structure provided by the present utility model;

FIG. 2 is a partial cross-sectional view of the structure provided by the present utility model;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

fig. 4 is a structural perspective view of the connecting pipe and the sealing gasket provided by the utility model.

In the figure: 1. an European transformer body; 2. an oil filling hole; 3. a four-way pipe; 4. a first ball valve; 5. a gas hose; 6. an air compressor; 7. a pressure gauge stand; 8. a pressure gauge; 9. a connecting pipe; 10. a connecting seat; 11. a sealing gasket; 12. and a second ball valve.

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.

Referring to fig. 1-4, the sealing experimental device for the European transformer provided by the utility model comprises a European transformer body 1, wherein an oil injection hole 2 is formed in the top of the European transformer body 1, the sealing experimental device further comprises a detection assembly for performing sealing experiments on the European transformer body 1, the detection assembly is detachably connected with the oil injection hole 2 through a connection assembly, and a voltage discharging assembly is further arranged on the detection assembly;

the detection assembly comprises a four-way pipe 3, a first spherical valve 4 is connected with a right end flange of the four-way pipe 3, a gas hose 5 is connected with a right end flange of the first spherical valve 4, one end, far away from the first spherical valve 4, of the gas hose 5 is fixedly provided with an air compressor 6, the air compressor is used for providing gas source power and is core equipment of a pneumatic system, a main body in an electromechanical air-entraining source device is a device for converting mechanical energy of motive force (usually a motor or a diesel engine) into gas pressure energy and is a pressure generating device of compressed air, and the device is known equipment, so that when the air compressor 6 does work, compressed air can be generated to enter the four-way pipe 3 through the gas hose 5 and the first spherical valve 4, the detection assembly further comprises a pressure gauge seat 7, and the bottom end flange of the pressure gauge seat 7 is fixedly provided with a pressure gauge 8, and the pressure gauge seat 7 can be used for detecting the pressure change of the compressed air so as to judge whether the European transformer body 1 is sealed or not, and the experimental effect is achieved;

the connecting assembly comprises a connecting pipe 9, the top end of the connecting pipe 9 is in flange connection with the bottom end of the four-way pipe 3, a connecting seat 10 is fixedly arranged at the top of the European transformer body 1, the connecting seat 10 is arranged at the top end of an oil filling hole 2, the bottom end of the connecting pipe 9 is inserted into the connecting seat 10, and the surface of the connecting pipe 9 is in threaded connection with the inner wall of the connecting seat 10, so that compressed air generated by an air compressor 6 can enter the inside of the European transformer body 1 in a sealing experiment through the four-way pipe 3, the connecting pipe 9 and the oil filling hole 2, then under the indicating action of a pressure gauge 8, whether the sealing inside the European transformer body 1 is qualified or not is judged, and an experimenter only needs to manually rotate the connecting pipe 9 in the forward and reverse directions, so that the dismounting of the connecting pipe 9 and the connecting seat 10 can be controlled, namely, the detecting assembly can be convenient for the experimenter to dismount, thereby being beneficial to the sealing experiment efficiency of different European transformer bodies 1, the sealing gasket 11 is sleeved on the connecting seat 10, the bottom of the sealing gasket 11 is attached to the top, and the sealing gasket 11 is in a compression state, and under the sealing action of the sealing gasket 11, the sealing performance of the sealing gasket 9 can be guaranteed, and the sealing efficiency of the connecting seat 10 can be guaranteed, and the sealing efficiency can be reduced through the sealing efficiency and the sealing structure of the sealing structure and the sealing efficiency can be effectively reduced, and the overall time can be reduced;

the pressure relief assembly comprises a second spherical valve 12, and the second spherical valve 12 is connected to the left end of the four-way pipe 3 in a flange mode, so that an experimenter can control pressure relief operation by switching on and off the second spherical valve 12.

The application process of the utility model is as follows: firstly, an experimenter inserts a connecting pipe 9 connected with a flange at the bottom end of a four-way pipe 3 into a connecting seat 10 arranged at the top of an European transformer body 1, rotates the four-way pipe 3 to enable the connecting pipe 9 to be in threaded connection with the connecting seat 10, and at the moment, a sealing gasket 11 is compressed to ensure the tightness when the connecting pipe 9 is connected with the connecting seat 10;

then an experimenter opens the first spherical valve 4 and starts the air compressor 6, at this time, the air compressor 6 generates needed compressed air, the compressed air can enter the four-way pipe 3 through the air hose 5 and the first spherical valve 4, then enters the inside of the European transformer body 1 needing sealing experiment through the connecting pipe 9 and the oil filling hole 2, then the experimenter closes the first spherical valve 4 and judges whether the inside of the European transformer body 1 is qualified or not under the indication of the pressure gauge 8, and the experimenter only needs to manually rotate the connecting pipe 9 forward and backward, so that the disassembly and assembly of the connecting pipe 9 and the connecting seat 10 can be controlled, namely, the detection assembly can be convenient for the experimenter to disassemble, thereby being beneficial to the experimental efficiency of sealing experiments on different European transformer bodies 1;

after the sealing experiment of the European transformer body 1 is finished, an experimenter opens the second spherical valve 12 to control the pressure relief operation.

The above description is only of the preferred embodiments of the present utility model, and any person skilled in the art may modify the present utility model or make modifications to the present utility model with the technical solutions described above. Therefore, any simple modification or equivalent made according to the technical solution of the present utility model falls within the scope of the protection claimed by the present utility model.

Claims

1. The utility model provides a sealed experimental apparatus of European style transformer, includes European style transformer body (1), and European style transformer body (1) top is provided with oil filler point (2), its characterized in that: the transformer is characterized by further comprising a detection assembly for carrying out a sealing experiment on the European transformer body (1), wherein the detection assembly is detachably connected with the oil filling hole (2) through a connecting assembly, and a pressure discharging assembly is further arranged on the detection assembly.

2. The sealing experimental device for an euro-transformer according to claim 1, wherein: the detection assembly comprises a four-way pipe (3), a first spherical valve (4) is connected with the right end flange of the four-way pipe (3), a gas hose (5) is connected with the right end flange of the first spherical valve (4), and an air compressor (6) is fixedly arranged at one end, far away from the first spherical valve (4), of the gas hose (5).

3. The sealing experimental device for an euro-transformer according to claim 2, wherein: the detection assembly further comprises a pressure gauge seat (7), the bottom end flange of the pressure gauge seat (7) is connected to the top end of the four-way pipe (3), and a pressure gauge (8) is fixedly arranged at the top end of the pressure gauge seat (7).

4. The sealing experimental device for an euro-transformer according to claim 2, wherein: the connecting assembly comprises a connecting pipe (9), the top end flange of the connecting pipe (9) is connected to the bottom end of the four-way pipe (3), a connecting seat (10) is fixedly arranged at the top of the European-style transformer body (1), the connecting seat (10) is arranged at the top end of the oil filling hole (2), the bottom end of the connecting pipe (9) is inserted into the connecting seat (10), and the surface of the connecting pipe (9) is in threaded connection with the inner wall of the connecting seat (10).

5. The sealing test device for an European transformer according to claim 4, wherein: the connecting assembly further comprises a sealing gasket (11), the sealing gasket (11) is sleeved on the connecting pipe (9), the bottom of the sealing gasket (11) is attached to the top of the connecting seat (10), and the sealing gasket (11) is in a compressed state.

6. The sealing experimental device for an euro-transformer according to claim 2, wherein: the pressure discharging assembly comprises a second spherical valve (12), and the second spherical valve (12) is connected with the left end of the four-way pipe (3) in a flange mode.