CN109273209A - A kind of bushing shell for transformer is hermetically sealed to be filled oil taking apparatus and fills method for extracting oil - Google Patents
A kind of bushing shell for transformer is hermetically sealed to be filled oil taking apparatus and fills method for extracting oil Download PDFInfo
- Publication number
- CN109273209A CN109273209A CN201811123031.0A CN201811123031A CN109273209A CN 109273209 A CN109273209 A CN 109273209A CN 201811123031 A CN201811123031 A CN 201811123031A CN 109273209 A CN109273209 A CN 109273209A
- Authority
- CN
- China
- Prior art keywords
- transformer
- oil
- bushing shell
- blow vent
- charging system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/10—Liquid cooling
- H01F27/12—Oil cooling
- H01F27/14—Expansion chambers; Oil conservators; Gas cushions; Arrangements for purifying, drying, or filling
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Power Engineering (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Hydrology & Water Resources (AREA)
- Insulators (AREA)
Abstract
It fills oil taking apparatus and fills method for extracting oil this application provides a kind of bushing shell for transformer is hermetically sealed, device includes ontology, and ontology runs through in the vertical direction oil pipe and tee tube, and the first end of oil pipe is connected with bushing shell for transformer, and the second end of oil pipe is connected with fuel tank；First blow vent of tee tube is connected with bushing shell for transformer, and the second blow vent of tee tube is connected with air charging system, and filled with inert gas inside air charging system, the third blow vent of tee tube is connected with getter device.When needing to draw oil sample, air charging system is opened, the gas in air charging system enters bushing shell for transformer, and the oil sample in bushing shell for transformer is promoted to enter fuel tank by oil pipe；When needing oil-filled, getter device is opened, makes to generate negative pressure in bushing shell for transformer, the transformer oil in fuel tank is promoted to enter in bushing shell for transformer by oil pipe.The present apparatus remains leakproofness with during taking oil entirely oil-filled, and air cannot be introduced into bushing shell for transformer, avoid oil sample qualitative change.
Description
Technical field
This disclosure relates to transformer technology field more particularly to bushing shell for transformer it is hermetically sealed fill oil taking apparatus and fill take oil side
Method.
Background technique
With the rapid development of the national economy, China's electric system and power grid scale just increase rapidly.Electric system scale
Increase rapidly and propose more strict requirements for power supply reliability, the safety for improving electric system and stability are to state
The stable development of people's economy and the constantly improve of living standards of the people are of great significance.Power transformer is as electric system
One of key equipment carries the various functions such as transmission, the transformation of electric energy.
Transformer oil plays a crucial role in transformer normal operation.Heat dissipation is mainly played in transformer station high-voltage side bus
Cooling effect, transformer oil play insulation and insulation maintenance to winding etc., transformer are made to keep good state of insulation；?
At high-voltage connection and tap switch plays extinguishing arc, prevents the generation of corona and arc discharge；Also it is widely used as simultaneously hydraulic
Fluid-tight in safety valve.Very strict in the control of transformer water content in oil, gas and other particulate components, they are to transformation
The performance of device has an important influence.Therefore preferably method for extracting oil is needed to go to reach this stringent standard.
Transformer usually by bushing shell for transformer connection take oil valve or repairing mouth, when transformer takes oil, by take oil valve into
Row samples, and easily forms negative pressure in bushing shell for transformer, air enters bushing shell for transformer under the action of negative pressure, so that transformer oil is organic
Oxygen, contact with moisture in meeting and air, and then make transformer oil that oxidation reaction occur, cause the oil sample in casing that matter occurs
Become, influences the normal operation of transformer, be unfavorable for the normal life and production of people.
Summary of the invention
Provide that a kind of bushing shell for transformer is hermetically sealed to be filled oil taking apparatus and fill method for extracting oil in the embodiment of the present invention, to solve
In the prior art when transformer takes oil, the problem of being easy to make oil sample in bushing shell for transformer that qualitative change occurs.
Oil taking apparatus is filled the present invention provides a kind of bushing shell for transformer is hermetically sealed characterized by comprising ontology, it is described
Ontology runs through in the vertical direction oil pipe and tee tube, and the first end of the oil pipe is connected with bushing shell for transformer, the oil
The second end of pipe is connected with fuel tank；First blow vent of the tee tube is connected with the bushing shell for transformer, the threeway
Second blow vent of pipe is connected with air charging system, filled with inert gas, the third of the tee tube inside the air charging system
Blow vent is connected with getter device.
Preferably, the soft centrum of matter is additionally provided on the ontology, the centrum passes through annulus securing member phase with the ontology
Connection, the oil pipe and tee tube run through the centrum.
Preferably, the port of the first end is additionally provided with hangnail plug, and the surface of the hangnail plug is equipped with protruding portion, institute
It states hangnail plug to be socketed in bending hose, the bending hose protrudes into the pasta of bushing shell for transformer or less.
Preferably, the hangnail plug is an integral molding structure with the oil pipe.
Preferably, it is connected between the second end and the fuel tank by first sleeve, second blow vent and institute
It states air charging system to be connected by the second casing, the third blow vent is connected with the getter device by third casing.
Preferably, the air charging system is nitrogen cylinder, and the getter device is vacuum pump.
Method for extracting oil is filled the present invention also provides a kind of bushing shell for transformer is hermetically sealed, which comprises
When needing to draw oil sample, air charging system is opened, the gas in air charging system passes through the second blow vent and first respectively
Blow vent enters bushing shell for transformer, so as to generate positive pressure in bushing shell for transformer, promotes the oil sample in bushing shell for transformer by oil pipe
Into fuel tank；
When needing oil-filled, getter device is opened, the gas in bushing shell for transformer passes through the first blow vent and third respectively
Blow vent enters getter device, makes to generate negative pressure in bushing shell for transformer, and the transformer oil in fuel tank is promoted to enter change by oil pipe
In depressor casing.
The application's has the beneficial effect that:
A kind of bushing shell for transformer of the application is hermetically sealed to be filled oil taking apparatus and fills method for extracting oil, and device includes: ontology, and described
Body runs through in the vertical direction oil pipe and tee tube, and the first end of the oil pipe is connected with bushing shell for transformer, the oil pipe
Second end be connected with fuel tank；First blow vent of the tee tube is connected with the bushing shell for transformer, the tee tube
The second blow vent be connected with air charging system, filled with inert gas inside the air charging system, the third of the tee tube is logical
Port is connected with getter device.When needing to draw oil sample, air charging system is opened, the gas in air charging system passes through second respectively
Blow vent and the first blow vent enter bushing shell for transformer, so as to generate positive pressure in bushing shell for transformer, promote in bushing shell for transformer
Oil sample enters fuel tank by oil pipe；When needing oil-filled, getter device is opened, makes to generate negative pressure in bushing shell for transformer, promotes oil
Transformer oil in case enters in bushing shell for transformer by oil pipe.The present apparatus be it is oil-filled, take oily integrated device, entire oil-filled and
Oil is taken to remain leakproofness in the process, the oxygen and moisture in air cannot be introduced into bushing shell for transformer, avoid oil sample
Qualitative change occurs in oil-filled and take oil during, to guarantee the normal operation of transformer, provides and definitely protects for the operation of power grid
Barrier.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets implementation of the invention
Example, and be used to explain the principle of the present invention together with specification.
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without any creative labor, is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of hermetically sealed structural schematic diagram for filling oil taking apparatus of bushing shell for transformer provided by the embodiments of the present application；
Fig. 2 is a kind of hermetically sealed flow chart for filling method for extracting oil of transformer provided by the embodiments of the present application；
Symbol indicates:
1- ontology, 2- oil pipe, 21- first end, 22- second end, 23- hangnail plug, 231- protruding portion, 24- bending hose,
3- tee tube, the first blow vent of 31-, the second blow vent of 32-, 33- third blow vent, 4- fuel tank, 5- air charging system, 6- air-breathing dress
It sets, 7- centrum, 8- annulus securing member, 81- first sleeve, the second casing of 82-, 83- third casing.
Specific embodiment
Technical solution in order to enable those skilled in the art to better understand the present invention, below in conjunction with of the invention real
The attached drawing in example is applied, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work, all should belong to protection of the present invention
Range.
Referring to FIG. 1, showing a kind of hermetically sealed knot for filling oil taking apparatus of bushing shell for transformer provided by the embodiments of the present application
Structure schematic diagram.As seen from Figure 1, the present apparatus includes: ontology 1, and the ontology 1 runs through in the vertical direction oil pipe 2 and tee tube
3, the first end 21 of the oil pipe 2 is connected with bushing shell for transformer, and the second end 22 of the oil pipe 2 is connected with fuel tank 4；It is described
First blow vent 31 of tee tube 3 is connected with the bushing shell for transformer, and the second blow vent 32 and the inflation of the tee tube 3 fill
It sets 5 to be connected, filled with the inert gases such as nitrogen, helium, the third blow vent 33 of the tee tube 3 inside the air charging system 5
It is connected with getter device 6.In the present embodiment, the air charging system 5 is nitrogen cylinder, and the getter device 6 is vacuum pump.
Referring to FIG. 2, showing a kind of hermetically sealed flow chart for filling method for extracting oil of transformer provided by the embodiments of the present application.
From Figure 2 it can be seen that this method comprises the following steps:
Step S100: when needing to draw oil sample, air charging system 5 is opened, it is logical that the gas in air charging system 5 passes through second respectively
Port 32 and the first blow vent 31 enter bushing shell for transformer, so as to generate positive pressure in bushing shell for transformer, promote in bushing shell for transformer
Oil sample by oil pipe 2 enter fuel tank 4；
Step S200: when needing oil-filled, getter device 6 is opened, it is logical that the gas in bushing shell for transformer passes through first respectively
Port 31 and third blow vent 33 enter getter device 6, make to generate negative pressure in bushing shell for transformer, promote the transformer in fuel tank 4
Oil enters in bushing shell for transformer by oil pipe 2.
The present apparatus be it is oil-filled, take oily integrated device, leakproofness is remained in entire oil-filled and take oil during, in air
Oxygen and moisture cannot be introduced into bushing shell for transformer, avoid oil sample in oil-filled and take oil during and qualitative change occur, thus
Guarantee the normal operation of transformer, provides and definitely ensure for the operation of power grid.
In preferred embodiment, the soft centrum 7 of matter is additionally provided on ontology 1, the centrum 7 is tight by annulus with the ontology 1
Firmware 8 is connected, and the oil pipe 2 and tee tube 3 run through the centrum 7.Since centrum 7 is soft, the present apparatus can be enhanced
With the laminating degree of bushing shell for transformer, to enhance oil-filled and take the leakproofness during oil.In the present embodiment, ontology 1 is circle
Shape ontology, the concrete mode that the centrum 7 is connected with the ontology 1 by annulus securing member 8 are as follows: 1 upper end of ontology is provided with
One circular trough, and 8 thread grooves are provided with beside the circular trough, 7 lower end of centrum open that there are four thread groove, annulus securing members 8
Also thread groove there are four opening, is each passed through centrum lower end with four screws, and be directed at four thread grooves of 1 upper end of ontology, uses spiral shell
By screw tightening, such device noumenon 1 can link together silk knife with centrum.Connect to stablize ontology 1 and centrum 7
Connect, can by 8 sets of annulus securing member on 7 lower end of centrum, then with four screws pass through annulus securing member 8 thread groove, and
Four other thread grooves of circular trough are aligned, are tightened with screwdriver, enables ontology 1 and centrum is more stable links together.
In addition, the port of first end 21 is additionally provided with hangnail plug 23, the surface of the hangnail plug 23 is equipped with protruding portion
231, the hangnail plug 23 is socketed in bending hose 24, and the bending hose 24 protrudes into the pasta of bushing shell for transformer or less.
In the present embodiment, the bending angle of bending hose 24 is 90 °, and hangnail plug 23 is an integral molding structure with the oil pipe 2.It has
The hangnail plug 23 of protruding portion 231 can make the connection of first end 21 and bending hose 24 more closely, not easily to fall off.
Preferably, it is connected between the second end 22 and the fuel tank 4 by first sleeve 81, second blow vent
32 are connected with the air charging system 5 by the second casing 82, and the third blow vent 33 passes through third with the getter device 6
Casing 83 is connected.First sleeve 81, the second casing 82, third casing 83 can by connector respectively with second end 22, second
Blow vent 32 is connected with third blow vent 33, can increase the tight type of connection, to enhance the airtightness of the present apparatus.
All the embodiments in this specification are described in a progressive manner, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.Especially for device or
For system embodiment, since it is substantially similar to the method embodiment, so describing fairly simple, related place is referring to method
The part of embodiment illustrates.Apparatus and system embodiment described above is only schematical, wherein as separation
The unit of part description may or may not be physically separated, component shown as a unit can be or
It can not be physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to reality
Border needs to select some or all of the modules therein to achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art
It can understand and implement without creative efforts.
The above is only a specific embodiment of the invention, it is noted that those skilled in the art are come
It says, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications also should be regarded as
Protection scope of the present invention.
Claims (7)
1. a kind of bushing shell for transformer is hermetically sealed to fill oil taking apparatus characterized by comprising ontology (1), the ontology (1) is perpendicular
Histogram has extended upward through oil pipe (2) and tee tube (3), and the first end (21) of the oil pipe (2) is connected with bushing shell for transformer, institute
The second end (22) for stating oil pipe (2) is connected with fuel tank (4)；The first blow vent (31) of the tee tube (3) and the transformation
Device casing is connected, and the second blow vent (32) of the tee tube (3) is connected with air charging system (5), the air charging system (5)
Inside is connected filled with inert gas, the third blow vent (33) of the tee tube (3) with getter device (6).
2. bushing shell for transformer according to claim 1 is hermetically sealed to fill oil taking apparatus, which is characterized in that on the ontology (1)
It is additionally provided with the soft centrum of matter (7), the centrum (7) is connected with the ontology (1) by annulus securing member (8), the oil pipe
(2) and tee tube (3) runs through the centrum (7).
3. bushing shell for transformer according to claim 1 is hermetically sealed to fill oil taking apparatus, which is characterized in that the first end (21)
Port be additionally provided with hangnail plug (23), the surface of the hangnail plug (23) is equipped with protruding portion (231), the hangnail plug
(23) it is socketed in bending hose (24), the bending hose (24) protrudes into the pasta of bushing shell for transformer or less.
4. bushing shell for transformer according to claim 1 is hermetically sealed to fill oil taking apparatus, which is characterized in that the hangnail plug
(23) it is an integral molding structure with the oil pipe (2).
5. bushing shell for transformer according to claim 1 is hermetically sealed to fill oil taking apparatus, which is characterized in that the second end (22)
It is connected between the fuel tank (4) by first sleeve (81), second blow vent (32) and the air charging system (5) are logical
It crosses the second casing (82) to be connected, the third blow vent (33) is connected with the getter device (6) by third casing (83)
It connects.
6. bushing shell for transformer according to claim 1 is hermetically sealed to fill oil taking apparatus, which is characterized in that the air charging system
It (5) is nitrogen cylinder, the getter device (6) is vacuum pump.
7. a kind of bushing shell for transformer is hermetically sealed to fill method for extracting oil, which is characterized in that the described method includes:
It when needing to draw oil sample, opens air charging system (5), the gas in air charging system (5) passes through the second blow vent (32) respectively
Enter bushing shell for transformer with the first blow vent (31), so as to generate positive pressure in bushing shell for transformer, promotes the oil in bushing shell for transformer
Sample enters fuel tank (4) by oil pipe (2)；
It when needing oil-filled, opens getter device (6), the gas in bushing shell for transformer passes through the first blow vent (31) and the respectively
Three blow vents (33) enter getter device (6), make to generate negative pressure in bushing shell for transformer, the transformer oil in fuel tank (4) is promoted to pass through
Oil pipe (2) are crossed to enter in bushing shell for transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811123031.0A CN109273209A (en) | 2018-09-26 | 2018-09-26 | A kind of bushing shell for transformer is hermetically sealed to be filled oil taking apparatus and fills method for extracting oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811123031.0A CN109273209A (en) | 2018-09-26 | 2018-09-26 | A kind of bushing shell for transformer is hermetically sealed to be filled oil taking apparatus and fills method for extracting oil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109273209A true CN109273209A (en) | 2019-01-25 |
Family
ID=65198482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811123031.0A Pending CN109273209A (en) | 2018-09-26 | 2018-09-26 | A kind of bushing shell for transformer is hermetically sealed to be filled oil taking apparatus and fills method for extracting oil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109273209A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211805A (en) * | 2019-06-27 | 2019-09-06 | 国网河北省电力有限公司沧州供电分公司 | Bushing shell for transformer oiling tool |
| CN111537665A (en) * | 2020-05-21 | 2020-08-14 | 福州大学 | Device and method for simulating moisture migration process in high-voltage oiled paper insulation sleeve |
| CN117168913A (en) * | 2023-11-02 | 2023-12-05 | 国网山西省电力公司电力科学研究院 | Sampling device of extra-high voltage oil filling equipment |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195627A (en) * | 2018-03-08 | 2018-06-22 | 云南电网有限责任公司电力科学研究院 | The hermetically sealed oil taking apparatus and method of a kind of bushing shell for transformer |
-
2018
- 2018-09-26 CN CN201811123031.0A patent/CN109273209A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108195627A (en) * | 2018-03-08 | 2018-06-22 | 云南电网有限责任公司电力科学研究院 | The hermetically sealed oil taking apparatus and method of a kind of bushing shell for transformer |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110211805A (en) * | 2019-06-27 | 2019-09-06 | 国网河北省电力有限公司沧州供电分公司 | Bushing shell for transformer oiling tool |
| CN110211805B (en) * | 2019-06-27 | 2022-03-01 | 国网河北省电力有限公司沧州供电分公司 | Oiling tool for transformer bushing |
| CN111537665A (en) * | 2020-05-21 | 2020-08-14 | 福州大学 | Device and method for simulating moisture migration process in high-voltage oiled paper insulation sleeve |
| CN111537665B (en) * | 2020-05-21 | 2022-03-15 | 福州大学 | Device and method for simulating moisture migration process in high-voltage oiled paper insulation sleeve |
| CN117168913A (en) * | 2023-11-02 | 2023-12-05 | 国网山西省电力公司电力科学研究院 | Sampling device of extra-high voltage oil filling equipment |
| CN117168913B (en) * | 2023-11-02 | 2023-12-26 | 国网山西省电力公司电力科学研究院 | Sampling device of extra-high voltage oil filling equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109273209A (en) | A kind of bushing shell for transformer is hermetically sealed to be filled oil taking apparatus and fills method for extracting oil | |
| CN109768509B (en) | Elbow type joint special for electrified repair of power cable, repair device and method | |
| CN104132235B (en) | A kind of SF6 inflator reducing inflation leakage rate | |
| CN204302440U (en) | Can to multiple stage SF 6insulation of electrical installation state and moisture carry out the device of on-line monitoring | |
| CN204553942U (en) | SF6 gas vacuumizes and fills integrated triple valve | |
| CN105304323B (en) | A kind of high-voltage capacitor with the bipolar outlet structure of plug-in | |
| CN203084146U (en) | SF6 gas insulation high voltage electrical apparatus-used insulating part partial discharge test device | |
| CN203707003U (en) | Gas supplementing device used in operation process of gas insulated switchgear (GIS) | |
| CN109027664A (en) | A kind of online supplementing method for air of SF6 electrical equipment | |
| CN204517261U (en) | A kind of Novel inflating cabinet | |
| CN203616435U (en) | On-site 220V SF6 gas test device | |
| CN205944869U (en) | Solid insulating ring main unit | |
| CN202524011U (en) | Fully-sealed wiring terminal box of gas-insulated switch cabinet | |
| CN201853561U (en) | Vacuum oil supply machine | |
| CN203286274U (en) | SF6 gas extraction and filling system for GIS | |
| CN206236523U (en) | A kind of box switching station and oil-filled transformer 35kV gas-filling cabinet sleeve pipes | |
| CN207651406U (en) | The general inflatable interface of gas-insulated switch sulfur hexafluoride gas | |
| CN102832497A (en) | High-voltage resistant connector with vacuum sealing function | |
| CN203134507U (en) | Oil conservator and exhaust device thereof | |
| CN101958517B (en) | Evacuation device for gas insulated metal sealing switch equipment | |
| CN209707168U (en) | Insulating oil sampler suitable for on-load voltage regulating switch | |
| CN106683939A (en) | Solid-sealed polar pole with high tightness for gas-insulated metal-enclosed switchgear | |
| CN203415918U (en) | Outdoor waterproof conjunction box | |
| CN206820353U (en) | Gas-filling cabinet | |
| CN208272150U (en) | A kind of portable rapid wiring device of maintenance power supply |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190125 |