CN207730491U - On-load tap changers of transformers is drained the oil sampler - Google Patents
On-load tap changers of transformers is drained the oil sampler Download PDFInfo
- Publication number
- CN207730491U CN207730491U CN201820194311.XU CN201820194311U CN207730491U CN 207730491 U CN207730491 U CN 207730491U CN 201820194311 U CN201820194311 U CN 201820194311U CN 207730491 U CN207730491 U CN 207730491U
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- China
- Prior art keywords
- oil
- transformers
- load tap
- tap changers
- panel
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- Expired - Fee Related
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- 239000000446 fuel Substances 0.000 claims abstract description 13
- 238000005070 sampling Methods 0.000 abstract description 5
- 239000007921 spray Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009533 lab test Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Loading And Unloading Of Fuel Tanks Or Ships (AREA)
Abstract
On-load tap changers of transformers is drained the oil sampler, the utility model be mainly used for on-load tap changers of transformers drain the oil and take experiment oil sample work, it causes experiment abberation to spray ingress of air in shower shape when solving the problem of that existing on-load tap changers of transformers sampling is drained the oil.The on-load tap changers of transformers drains the oil sampler including connecting panel, connecting tube and non-return valve, connection panel is square panel, it is provided with multiple connectors in the plate face of connection panel, it connects and is provided with connection nozzle at the center of panel, connecting tube is arranged in the plate face of connection panel, one end nozzle of connecting tube is connected with the connection nozzle for connecting panel, and the other end nozzle of connecting tube and one end valve port of non-return valve are connected through a screw thread.For the utility model by connecting tube by the external extension of on-load tap changers of transformers fuel outlet pressure valve, it is in shower shape oil spout to avoid fuel outlet when draining the oil.
Description
Technical field
It drains the oil sampling instrument the utility model is related to a kind of on-load tap changers of transformers, being mainly used for transformer has load point
Connect switch drains the oil and takes experiment oil sample work.
Background technology
It, generally need to will be in on-load tap changers of transformers connecting leg at present in on-load tap changers of transformers sampling work
Oil drains, and can just take test oil.The fuel outlet of on-load tap changers of transformers is generally located on 1.5m or more, and tail end is connected with
Cylindrical pressure valve, during draining the oil after having set up ladder or holder, since pressure is excessive in on-load tap changers of transformers,
Loaded switch oil can be in that shower shape sprays when opening cylindrical pressure valve, so general connect oil using wide mouth barrel, but take experiment in this way
Oil sample can inevitable ingress of air cause experiment abberation.
Utility model content
Purpose of the utility model is to solve sprayed in shower shape when the sampling of existing on-load tap changers of transformers is drained the oil
Go out, the problem of ingress of air causes experiment abberation, and a kind of on-load tap changers of transformers is provided and is drained the oil sampler.
The utility model on-load tap changers of transformers sampler of draining the oil includes connection panel, connecting tube and non-return valve,
Connection panel is square panel, is provided with multiple connectors in the plate face of connection panel, connects and be provided with connection at the center of panel
Nozzle, connecting tube are vertically set in the plate face of connection panel, one end nozzle of connecting tube and the connection nozzle phase for connecting panel
Connection, the other end nozzle of connecting tube and one end valve port of non-return valve are connected through a screw thread.
On-load tap changers of transformers interface is used square panel structure by the utility model, is opened transformer loaded tap-off
It is all applicable to close pressure valve circular configuration, square structure at fuel outlet.Transformer is had load point by the utility model by connecting tube
The switch external extension of fuel outlet pressure valve is connect, fuel outlet is in shower shape oil spout when avoiding draining the oil, and the pipe tail end of connecting tube is provided with
Non-return valve can be closed and be drained the oil at any time, while also can again be connect at non-return valve and be extended pipeline to ground, avoid connecing oil in the air.
The utility model closes non-return valve and on-load tap changers of transformers fuel outlet pressure valve, directly after draining the oil
It picks up and oil in sampler is used to reduce the exposure duration of test oil and air as test oil, ensure that the experiment of sample oil is accurate
True property.
Description of the drawings
Fig. 1 is that the utility model on-load tap changers of transformers is drained the oil the structural schematic diagram of sampler；
Fig. 2 is the structural schematic diagram for connecting panel.
Specific implementation mode
Specific implementation mode one：Present embodiment on-load tap changers of transformers drain the oil sampler include connection panel 1,
Connecting tube 2 and non-return valve 3, connection panel 1 are square panel, are provided with multiple connector 1-1 in the plate face of connection panel 1, even
Connection nozzle 1-2 is provided at the center of junction plate 1, connecting tube 2 is vertically set in the plate face of connection panel 1, and the one of connecting tube 2
End pipe mouth is connected with the connection nozzle 1-2 for connecting panel 1, the other end nozzle of connecting tube 2 and one end (oil inlet) of non-return valve 3
Valve port is connected through a screw thread.
What present embodiment connecting tube connected is the oil inlet of non-return valve.
Specific implementation mode two：The present embodiment is different from the first embodiment in that multiple companies on connection panel 1
It is in circumferentially distributed that interface 1-1, which is the center of circle using the center for connecting panel 1,.
Specific implementation mode three：The present embodiment is different from the first and the second embodiment in that in the plate of connection panel 1
4 connector 1-1 are provided on face.
Specific implementation mode four：The length of connecting tube 2 unlike one of present embodiment and specific implementation mode one to three
Degree is 20~26cm.
Specific implementation mode five：Connecting tube 2 is welded unlike one of present embodiment and specific implementation mode one to four
On connection panel 1.
Specific implementation mode six：When the transformer has unlike one of present embodiment and specific implementation mode one to five
On-load shunting switch drains the oil sampler when being connected with (original) pressure valve of on-load tap changers of transformers fuel outlet, in pressure valve
It is provided with rubber cushion 4 with connecting between panel 1.
Present embodiment prevents the leakage of oil after connection by rubber cushion.
Specific implementation mode seven：When the transformer has unlike one of present embodiment and specific implementation mode one to six
On-load shunting switch drains the oil sampler when being connected with (original) pressure valve of on-load tap changers of transformers fuel outlet, connecting tube 2
Caliber is equal with the bore of (original) pressure valve or the caliber of connecting tube 2 is more than the 2~4mm of bore of (original) pressure valve.
Specific implementation mode eight：Non-return valve 3 is another unlike one of present embodiment and specific implementation mode one to seven
One end valve port, which is connected with, extends pipeline 5, extends pipeline 5 and extends to ground.
Present embodiment can avoid connecing oil in the air.
Embodiment：The present embodiment on-load tap changers of transformers drains the oil sampler including connecting panel 1,2 and of connecting tube
Non-return valve 3, connection panel 1 are square panel, and 4 connectors 1-1,4 connector 1-1 are provided in the plate face of connection panel 1
Positioned at 4 right angles of square panel, connects and be provided with connection nozzle 1-2,2 company of being vertically set on of connecting tube at the center of panel 1
In the plate face of junction plate 1, one end nozzle of connecting tube 2 is connected with the connection nozzle 1-2 for connecting panel 1, connecting tube 2 it is another
End pipe mouth and one end valve port of non-return valve 3 are connected through a screw thread, when the on-load tap changers of transformers drain the oil sampler with become
When (original) pressure valve of depressor load ratio bridging switch fuel outlet is connected, rubber cushion is provided between pressure valve and connection panel 1
4。
The length of the present embodiment connecting tube is 25cm.
The present embodiment on-load tap changers of transformers drain the oil sampler application process it is as follows：
When the sampler is connected with on-load tap changers of transformers fuel outlet pressure valve, by the cover board of pressure valve end
Remove, rubber cushion be set between pressure valve and the connection panel of sampler, prevent leakage of oil after connection, using former pressure valve and
Four bolts of its cover board are fixed panel is connected, and the non-return valve of sampler tail end connects before can working, and can also work
When connect, extension pipeline can be also connected on non-return valve.
When taking oil, first the non-return valve of sampler is opened, load switch of transformer is then turned on and drains the oil pressure valve, is calculated
After oil in load switch of transformer connecting leg all discharge, the non-return valve of sampler is first closed, being then shut off transformer has tune
Pressure tap switch is drained the oil pressure valve, and the connecting leg connected on sampler is removed.Sampler is removed, examination has been filled in sampler
Oil sample is tested, directly field test or laboratory test can be brought back.If scene has more on-load tap changers of transformers that need to sample examination
It tests, then stores sample oil, the sampling work of next on-load tap changers of transformers is directly carried out with sampler.
Claims (8)
- The sampler 1. on-load tap changers of transformers is drained the oil, it is characterised in that the on-load tap changers of transformers, which is drained the oil, samples dress It sets including connection panel (1), connecting tube (2) and non-return valve (3), connection panel (1) is square panel, in connection panel (1) It is provided with multiple connectors (1-1) in plate face, connection nozzle (1-2) is provided at the center of connection panel (1), connecting tube (2) is vertical It is arranged in the plate face of connection panel (1), one end nozzle of connecting tube (2) is connected with the connection nozzle (1-2) for connecting panel (1) Logical, the other end nozzle and one end valve port of non-return valve (3) of connecting tube (2) are connected through a screw thread.
- The sampler 2. on-load tap changers of transformers according to claim 1 is drained the oil, it is characterised in that connection panel (1) On multiple connectors (1-1) using the center for connecting panel (1) be the center of circle in circumferentially distributed.
- The sampler 3. on-load tap changers of transformers according to claim 1 is drained the oil, it is characterised in that in connection panel (1) 4 connectors (1-1) are provided in plate face.
- The sampler 4. on-load tap changers of transformers according to claim 1 is drained the oil, it is characterised in that connecting tube (2) Length is 20~26cm.
- The sampler 5. on-load tap changers of transformers according to claim 1 is drained the oil, it is characterised in that connecting tube (2) is welded It is connected on connection panel (1).
- The sampler 6. on-load tap changers of transformers according to claim 1 is drained the oil, it is characterised in that when the transformer Load ratio bridging switch drains the oil sampler when being connected with the pressure valve of on-load tap changers of transformers fuel outlet, pressure valve with It is provided with rubber cushion (4) between connection panel (1).
- The sampler 7. on-load tap changers of transformers according to claim 1 is drained the oil, it is characterised in that when the transformer Load ratio bridging switch drains the oil sampler when being connected with the pressure valve of on-load tap changers of transformers fuel outlet, connecting tube (2) Caliber is equal with the bore of pressure valve or the caliber of connecting tube (2) is more than 2~4mm of bore of pressure valve.
- The sampler 8. on-load tap changers of transformers according to claim 1 is drained the oil, it is characterised in that non-return valve (3) Other end valve port, which is connected with, extends pipeline (5), extends pipeline (5) and extends to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820194311.XU CN207730491U (en) | 2018-02-05 | 2018-02-05 | On-load tap changers of transformers is drained the oil sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820194311.XU CN207730491U (en) | 2018-02-05 | 2018-02-05 | On-load tap changers of transformers is drained the oil sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207730491U true CN207730491U (en) | 2018-08-14 |
Family
ID=63081043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820194311.XU Expired - Fee Related CN207730491U (en) | 2018-02-05 | 2018-02-05 | On-load tap changers of transformers is drained the oil sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207730491U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562455A (en) * | 2018-02-05 | 2018-09-21 | 国家电网公司 | On-load tap changers of transformers is drained the oil sampler |
-
2018
- 2018-02-05 CN CN201820194311.XU patent/CN207730491U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108562455A (en) * | 2018-02-05 | 2018-09-21 | 国家电网公司 | On-load tap changers of transformers is drained the oil sampler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180814 |