CN215414269U - Leakage test device for transformer oil injection - Google Patents
Leakage test device for transformer oil injection Download PDFInfo
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- CN215414269U CN215414269U CN202121460791.8U CN202121460791U CN215414269U CN 215414269 U CN215414269 U CN 215414269U CN 202121460791 U CN202121460791 U CN 202121460791U CN 215414269 U CN215414269 U CN 215414269U
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Abstract
The utility model provides a leakage test device for transformer oil injection, which comprises a sealing column, an oil injection pipe, an air guide pipe and a connecting sleeve with an L-shaped section, wherein the connecting sleeve is sleeved on an oil injection port of a transformer oil tank, the sealing column is connected to the inner side of the connecting sleeve and extends into the oil injection port of the oil tank, one end of the sealing column is provided with a groove, a sealing gasket is connected in the groove in a sliding manner, an adjusting rod connected with the sealing gasket penetrates through the sealing column, the adjusting rod is used for pushing the sealing gasket to slide, one end of the oil injection pipe is communicated with an oil pump, the other end of the oil injection pipe penetrates through the sealing column and extends into the oil tank, one end of the air guide pipe is communicated with an air pressure detection assembly, and the other end of the air guide pipe penetrates through the sealing column and extends into the oil tank. The utility model can realize the tightness detection of the transformer oil tank, effectively avoid the leakage of the oil liquid of the transformer oil tank and improve the use effect of the transformer.
Description
Technical Field
The utility model relates to the technical field of transformer leakage testing equipment, in particular to a leakage testing device for injecting oil into a transformer.
Background
When the transformer is used, oil needs to be injected into a transformer oil tank, the oil has the effects of insulation, heat dissipation, arc extinction and the like, leakage testing needs to be carried out on the oil tank for ensuring the performance of the transformer, the problem that the sealing effect of the oil tank is poor, oil leakage is caused, the insulation effect of the transformer is influenced, the leakage testing effect of the existing leakage testing device is poor, and leakage testing of the oil tank cannot be well achieved.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a leakage test device for injecting oil into a transformer, which can realize the detection of the tightness of a transformer oil tank, effectively avoid the leakage of the oil in the transformer oil tank and improve the use efficiency of the transformer.
The technical scheme of the utility model is realized as follows:
the utility model provides a leak test device for transformer oiling, is the adapter sleeve of L type including sealed post, notes oil pipe, air duct and cross-section, the adapter sleeve cup joints on transformer tank's oiling mouth, sealed post connect in the inboard of adapter sleeve, sealed post extends to in the oiling mouth of oil tank, the one end of sealed post is equipped with the recess, sliding connection has sealed the pad in the recess, sealed post run through have with sealed regulation pole of connecting that fills up, it is used for promoting to adjust the pole sealed slip, the one end intercommunication oil pump of notes oil pipe, the other end of notes oil pipe passes sealed post extends to in the oil tank, the one end intercommunication of air duct has atmospheric pressure determine module, the other end of air duct passes sealed post extends to in the oil tank.
Preferably, the air pressure detection assembly comprises a three-way pipe and an air pressure gauge, the air inlet end of the three-way pipe is communicated with the air pump through a connecting pipe, the first air outlet end of the three-way pipe is communicated with the air guide pipe, the second air outlet end of the three-way pipe is communicated with the pressure relief pipe, and the air pressure gauge is arranged on the pressure relief pipe.
Preferably, the oil injection pipe, the connecting pipe and the pressure relief pipe are respectively connected with corresponding valves.
Preferably, the upper part of the connecting sleeve is connected with an annular gasket, and the annular gasket is positioned between the sealing column and the connecting sleeve.
Preferably, the upper part of the sealing gasket is provided with a connecting plate, and the adjusting rod is connected with the sealing gasket through the connecting plate.
Preferably, the sealing gasket comprises a first sealing layer and a second sealing layer, the first sealing layer is connected with the connecting plate, and the second sealing layer is used for sealing a gap between the sealing column and the oil filling opening of the oil tank.
Compared with the prior art, the utility model has the beneficial effects that:
according to the leakage test device for transformer oil injection, provided by the utility model, in the process of injecting oil into the transformer oil tank, gas can be injected into the transformer oil tank through the gas guide pipe, the tightness of the oil tank is judged through the change of the gas pressure in the oil tank, the tightness of the transformer oil tank is detected, and the working effect of a transformer is ensured; adapter sleeve and sealed post are mutually supported and can be more effectual seal oil tank oil filler point, get rid of the leakage test device and the poor problem of oil tank leakproofness that leads to with oil tank oil filler point leakproofness, and the sealed pad of sealed post below can play the effect in gap between sealed post and the oil tank oil filler point simultaneously, further improves the leakproofness between leakage test device and the oil tank oil filler point.
Drawings
FIG. 1 is a schematic cross-sectional view of a leakage testing device for injecting oil into a transformer according to the present invention;
FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;
FIG. 3 is an enlarged schematic view of a portion B of FIG. 1;
FIG. 4 is a schematic top view of the gasket of the present invention;
in the figure, a sealing column 1, an oil filling pipe 2, an air guide pipe 3, a connecting sleeve 4, a transformer oil tank oil filling opening 5, a groove 6, a sealing gasket 7, a first sealing layer 8, a second sealing layer 9, a connecting plate 10, an adjusting rod 11, an oil pump 12, an air pressure detection assembly 13, a three-way pipe 14, an air pressure gauge 15, a pressure relief pipe 16, a valve 17, an annular gasket 18, a transformer oil tank 19, an air pump 20 and a connecting pipe 21 are arranged.
Detailed Description
In order to better understand the technical content of the utility model, specific embodiments are provided below, and the utility model is further described with reference to the accompanying drawings.
Example 1
Referring to fig. 1 to 4, the leakage testing device for transformer oil injection provided by the utility model comprises a sealing column 1, an oil injection pipe 2, an air duct 3 and a connecting sleeve 4 with an L-shaped section, wherein the connecting sleeve 4 is sleeved on an oil injection port 5 of a transformer oil tank 19, the sealing column 1 is connected to the inner side of the connecting sleeve 4, a good sealing effect can be achieved when the leakage testing device is connected with the oil injection port 5 of the transformer oil tank 19 through the matching of the connecting sleeve 4 and the sealing column 1, the sealing column 1 extends into the oil injection port 5 of the oil tank, one end of the sealing column 1 is provided with a groove 6, a sealing gasket 7 is connected in the groove 6 in a sliding manner, an adjusting rod 11 connected with the sealing gasket 7 penetrates through the sealing column 1, the adjusting rod 11 is used for pushing the sealing gasket 7 to slide, the sealing gasket 7 can be pushed out of the groove 6 downwards through the adjusting rod 11 to further seal the oil injection port 5 of the transformer oil tank 19, the problem of discharge leakage test device and the 5 junctions of 19 oiling mouths of transformer tank leak, the one end intercommunication oil pump 12 of notes oil pipe 2, the other end of notes oil pipe 2 passes sealed post 1 extends to in the oil tank, can be to the oiling in the transformer tank 19, the one end intercommunication of air duct 3 has atmospheric pressure detection subassembly 13, the other end of air duct 3 passes sealed post 1 extends to in the oil tank, both can regard as the oiling to use, also can realize simultaneously that the leakage test detects, integrative dual-purpose.
The working principle is as follows: use the utility model discloses in the time of new, cup joint this leakage test device in the outside of 19 oiling mouths 5 of transformer tank through adapter sleeve 4, 19 oiling mouths 5's inside of transformer tank is arranged in to sealed post 1, through adjusting pole 11 will sealed 7 parts of packing and release recess 6, because the elastic characteristic of sealed 7 of packing, the inside lateral wall end that 19 oiling mouths 5 of transformer tank on the sealed 7 of packing extends, extrude the inside lateral wall of 19 oiling mouths 5 of transformer tank, play sealed effect, after the cup joint finishes, through starting oil pump 12 with fluid through annotating in oil pipe 2 pours into transformer tank 19 into, the back that the oiling finishes, annotate oily inert gas in 19 to transformer tank through air duct 3, increase transformer tank 19's atmospheric pressure, atmospheric pressure detection subassembly 13 detects transformer tank 19's atmospheric pressure change.
Specifically, the air pressure detection assembly 13 comprises a three-way pipe 14 and an air pressure gauge 15, an air inlet end of the three-way pipe 14 is communicated with an air pump 20 through a connecting pipe 21, a first air outlet end of the three-way pipe 14 is communicated with the air guide pipe 3, a second air outlet end of the three-way pipe 14 is communicated with a pressure relief pipe 16, and the air pressure gauge 15 is arranged on the pressure relief pipe 16. The air pump 20 is started, inert gas is injected into the transformer oil tank 19 through the three-way pipe 14 and the air guide pipe 3 in sequence, the air pressure gauge 15 can detect the change of the air pressure in the transformer oil tank 19 conveniently, and after a period of time, if the transformer oil tank 19 is found to be leaked, the air can be discharged through the pressure relief pipe 16.
Specifically, the oil filling pipe 2, the connecting pipe 21 and the pressure relief pipe 16 are respectively connected with corresponding valves 17. The filler pipe 2, the connecting pipe 21 or the pressure relief pipe 16 can be controlled by the respective valve 17 as the case may be.
Example 2
Referring to fig. 1 to 2, the present embodiment differs from embodiment 1 in that: the upper part of the connecting sleeve 4 is connected with an annular gasket 18, and the annular gasket 18 is positioned between the sealing column 1 and the connecting sleeve 4. The annular gasket 18 can cover the edge of the upper part of the oil filling opening 5 of the transformer oil tank 19, and further plays a role in sealing.
Specifically, the upper part of the sealing gasket 7 is provided with a connecting plate 10, and the adjusting rod 11 is connected with the sealing gasket 7 through the connecting plate 10. So that the adjusting rod 11 can push the sealing gasket 7 to move up and down.
Specifically, the sealing gasket 7 comprises a first sealing layer 8 and a second sealing layer 9, the first sealing layer 8 is connected with the connecting plate 10, and the second sealing layer 9 is used for sealing a gap between the sealing column 1 and the oil filling opening 5 of the oil tank. The diameter of the second sealing layer 9 is larger than that of the first sealing layer 8, the diameter of the second sealing layer 9 is larger than that of the sealing column 1, the first sealing layer 8 can seal the inner side wall of the groove 6, and the second sealing layer 9 can seal the inner side wall of the oil filling opening 5 of the transformer oil tank 19.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. The utility model provides a leak test device for transformer oiling which characterized in that: including sealed post, notes oil pipe, air duct and cross-section adapter sleeve for the L type, the adapter sleeve cup joints on transformer tank's oiling mouth, sealed post connect in the inboard of adapter sleeve, sealed post extends to in the oiling mouth of oil tank, the one end of sealed post is equipped with the recess, sliding connection has sealed the pad in the recess, sealed post run through have with sealed regulation pole of pad connection, it is used for promoting to adjust the pole sealed pad slides, the one end intercommunication oil pump of notes oil pipe, the other end of notes oil pipe passes sealed post extends to in the oil tank, the one end intercommunication of air duct has atmospheric pressure determine module, the other end of air duct passes sealed post extends to in the oil tank.
2. The leakage test device for oiling the transformer according to claim 1, wherein: the air pressure detection assembly comprises a three-way pipe and an air pressure gauge, the air inlet end of the three-way pipe is communicated with the air pump through a connecting pipe, the first air outlet end of the three-way pipe is communicated with the air guide pipe, the second air outlet end of the three-way pipe is communicated with the pressure relief pipe, and the air pressure gauge is arranged on the pressure relief pipe.
3. The leakage test device for oiling the transformer according to claim 2, wherein: and the oil injection pipe, the connecting pipe and the pressure relief pipe are respectively connected with corresponding valves.
4. The leakage test device for oiling the transformer according to claim 1, wherein: the upper portion of adapter sleeve is connected with the annular pad, the annular pad is located sealed post with between the adapter sleeve.
5. The leakage test device for oiling the transformer according to claim 1, wherein: the upper portion of sealed pad is equipped with the connecting plate, the regulation pole pass through the connecting plate with sealed pad is connected.
6. The leakage test device for oiling the transformer according to claim 5, wherein: the sealing gasket comprises a first sealing layer and a second sealing layer, the first sealing layer is connected with the connecting plate, and the second sealing layer is used for sealing a gap between the sealing column and the oil filling opening of the oil tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121460791.8U CN215414269U (en) | 2021-06-29 | 2021-06-29 | Leakage test device for transformer oil injection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121460791.8U CN215414269U (en) | 2021-06-29 | 2021-06-29 | Leakage test device for transformer oil injection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215414269U true CN215414269U (en) | 2022-01-04 |
Family
ID=79643100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121460791.8U Active CN215414269U (en) | 2021-06-29 | 2021-06-29 | Leakage test device for transformer oil injection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215414269U (en) |
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2021
- 2021-06-29 CN CN202121460791.8U patent/CN215414269U/en active Active
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