CN202042318U - Vacuum oil-injection device for transformer - Google Patents
Vacuum oil-injection device for transformer Download PDFInfo
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- CN202042318U CN202042318U CN2010205824560U CN201020582456U CN202042318U CN 202042318 U CN202042318 U CN 202042318U CN 2010205824560 U CN2010205824560 U CN 2010205824560U CN 201020582456 U CN201020582456 U CN 201020582456U CN 202042318 U CN202042318 U CN 202042318U
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Abstract
A vacuum oil-injection device for a transformer comprises a vacuum pump (2), an oil filter (3), a vacuum pressure gage (4), a residual voltage gage (5), a valve I (8), a valve II (9), a valve V (21) and a three-way pipe I (25). The vacuum pump (2) sequentially penetrates through the valve I (8), the three-way pipe I (25) and the valve II (9) to be communicated with a breathing tube at the top of an oil conservator which is arranged at the upper portion of the oil conservator. One end of the three-way pipe I (25) is communicated with the residual voltage gage (5), the vacuum pressure gage (4) is arranged between the three-way pipe I (25) and the valve II (9), and the vacuum pressure gage (4) is communicated with the three-way pipe I (25) and the valve II (9). The oil filter (3) is communicated with an oil-injection port or an oil drain port arranged at the lower portion of the transformer through the valve V (21), thereby improving safety performance of the transformer.
Description
One, technical field
The utility model relates to a kind of device that is used for transformer vacuum oil, especially a kind of device that is applicable to the high-power transformer vacuum oil.
Two, background technology
In transformer, inject heat radiation oil, to the performance and the useful life safe in utilization, that prolong transformer that guarantee transformer playing very important effect, the apparatus and method that therefore are used for transformer vacuum oil are important links of transformer production.
In the existing apparatus and method that are used for transformer vacuum oil all is as shown in Figure 1, is that vacuum-pumping pipeline is connected to transformer case lid V3 valve with the vacuum pump pipeline, is that the oiling pipeline is connected to transformer bottom V4 notes or fuel outlet valve with the oil filter pipeline; Open valve V1, V2, V3, V4, V5 starts vacuum pump, reach the specified vacuum degree, and keep certain hour; Open valve V6 and oil filter and under vacuum state, carry out slow oiling; Oiling stops oiling during about 200～300mm to pasta apart from the case top cover.Oiling is highly minimum should soak insulating press boards, the highlyest was as the criterion can not take out transformer oil; Valve-off V6 continues the vacuumize degassing certain hour; Valve-off V3 removes vacuum pump, opens valve V7, and valve-off V4 is connected to oil conservator with the oiling pipeline, and repairing is to the standard oil level of oil conservator.By can obviously finding out in the above correction oil injection method, this vacuum oil technology just stops to vacuumize before whole oiling process does not finish, and is the whole oiling technology of finishing transformer of ability after the transformer repairing under normal pressure.Therefore its whole oiling process is not finished under the state of perfect vacuum, during the normal pressure repairing, air contacts with transformer oil, because oxidation, can quicken the transformer oil deterioration, residual air also may be dissolved in transformer oil, the decreasing insulating that causes transformer oil, may bury accident potential in the future to the safe operation of transformer, in addition because vacuum meter is placed on the transformer top, check and operate all very inconvenient, in Fig. 1,11-vacuum pump, 12-oil filter, 13-pressure vacuum gauge, 14-residual voltage meter.
Three, summary of the invention
In order to overcome above-mentioned technical disadvantages, the purpose of this utility model provides a kind of apparatus and method that are used for transformer vacuum oil, has therefore improved the security performance of transformer.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of device that is used for transformer vacuum oil, include vacuum pump, oil filter, pressure vacuum gauge, the residual voltage meter, the valve I, the valve II, valve V and three-way pipe I, vacuum pump is set to successively by the valve I, three-way pipe I and valve II are communicated with the respiratory siphon at the oil conservator top on transformer top, end in the three-way pipe I is set to be communicated with the residual voltage meter, between three-way pipe I and valve II, be provided with pressure vacuum gauge, pressure vacuum gauge is set to be communicated with three-way pipe I and valve II, and oil filter is set to be communicated with the notes or the fuel outlet of transformer bottom by the valve V.
The utility model has designed, and the assembly that transformer is provided with is set to vacuum-resistant.
The utility model has designed, and the pipeline between the respiratory siphon at the oil conservator top on connection valve II and transformer top is set to the U-shaped transparent tube.
The utility model has designed, and also includes the valve VI, and oil filter is set to be communicated with the transformer oil tank by the valve VI.Make things convenient for the installation of oil filter.
The utility model has designed, also include valve III, valve IV and three-way pipe II, the valve III is arranged on the bottom of transformer, the valve III is set to be communicated with the valve port on the top of transformer, the valve III is set to be communicated with the three-way pipe II, the valve IV is set to be communicated with the three-way pipe II by transparent tube, and the three-way pipe II is set to be communicated with the three-way pipe I.
The utility model has designed, and the pipeline that connects between three-way pipe I and the three-way pipe II is set to the U-shaped transparent tube.
The utility model has designed, and the valve III is arranged on transformer tank and covers and be set to be communicated with the vacuum pumping valve doorway of transformer tank.
The utility model has designed, and the valve III is set to be communicated with the valve port of the quick-action oil pressure relay of transformer tank.
The utility model has designed, the valve III be set to transformer top, top or oil conservator and transformer body between the valve port of connecting line be communicated with.
Open valve valve I and valve II, start vacuum pump, observe pressure vacuum gauge, when reaching specified vacuum degree 13-133Pa, kept this vacuum degree 4-6 hour, open valve VI and valve V again, start oil filter, under vacuum state, transformer is carried out slow oiling; When fluid during to the standard oil level of the oil conservator of transformer, valve-off V and valve VI, valve V and oil filter are separated from, continuing to keep vacuum degree is 13-133Pa 3-4 hour, valve-off II again, vacuum pump and valve I are separated from, because in whole oiling transformer process, it all is the vacuum state, do not shut down, remove the step of vacuum normal pressure repairing in the middle of vacuum pump does not need, during vacuumizing the oiling process, the oiling pipeline is not removed the step that is connected to oil conservator again from the transformer body yet; Guarantee the quality of fluid, stopped the hidden danger of the decreasing insulating of transformer oil, therefore improved the security performance of transformer.
Four, description of drawings
Fig. 1 is the schematic representation of apparatus of existing vacuum oil in the background technology:
Fig. 2 is the schematic representation of apparatus of the vacuum oil of first embodiment of the present utility model:
Fig. 3 is the schematic representation of apparatus of the vacuum oil of second embodiment of the present utility model.
Five, embodiment
Fig. 2 is first embodiment that is used for the device of transformer vacuum oil of the present utility model, specify present embodiment in conjunction with the accompanying drawings, include vacuum pump 2, oil filter 3, pressure vacuum gauge 4, residual voltage meter 5, valve I 8, valve II 9, valve V 21, valve VI 22 and three-way pipe I 25, vacuum pump 2 is set to successively by valve I 8, three-way pipe I 25 and valve II 9 are communicated with the respiratory siphon at the oil conservator top on transformer top, end in three-way pipe I 25 is set to be communicated with residual voltage meter 5, between three-way pipe I 25 and valve II 9, be provided with pressure vacuum gauge 4, pressure vacuum gauge 4 is set to be communicated with three-way pipe I 25 and valve II 9, oil filter 3 is set to be communicated with the notes or the fuel outlet of transformer bottom by valve V 21, and oil filter 3 is set to be communicated with the transformer oil tank by valve VI 22.
In the present embodiment, the assembly that transformer is provided with is set to vacuum-resistant, and the oil conservator that transformer is provided with, Buchholz relay and radiator are set to vacuum-resistant.
In the present embodiment, the pipeline between the respiratory siphon at the oil conservator top on connection valve II 9 and transformer top is set to the U-shaped transparent tube.The convenient situation about vacuumizing of observing.
In the present embodiment, be provided with special-purpose tube head between oil filter 3 and valve V 21, prevented oil filter 3 and the gas that is attached thereto in the pipeline enters in the transformer, special-purpose tube head has been declared Chinese utility model patent the same period.
Open valve valve I 8 and valve II 9, start vacuum pump, observe pressure vacuum gauge 4, when reaching specified vacuum degree 13-133Pa, kept this vacuum degree 4-6 hour; Open valve VI 22 and valve V 21 again, start oil filter 3, under vacuum state, transformer is carried out slow oiling; When fluid during, valve-off V 21 and valve VI 22 to the standard oil level of the oil conservator of transformer,, valve V 21 and oil filter 3 are separated from, continuing to keep vacuum degree is 13-133Pa 3-4 hour, the valve-off II 9 again, and vacuum pump 2 and valve I 8 are separated from.
Fig. 3 is second embodiment that is used for the device of transformer vacuum oil of the present utility model, specify present embodiment in conjunction with the accompanying drawings, in embodiment one of the present utility model, also include valve III 23, valve IV 24 and three-way pipe II 26, valve III 24 is arranged on the bottom of transformer, valve III 23 is arranged on transformer tank and covers and be set to be communicated with the vacuum pumping valve doorway of transformer tank, valve III 23 is set to be communicated with three-way pipe II 26, valve IV 24 is set to be communicated with three-way pipe II 26 by transparent tube, and three-way pipe II 26 is set to be communicated with three-way pipe I 25.
In the present embodiment, the pipeline that connects between three-way pipe I 25 and the three-way pipe II 26 is set to the U-shaped transparent tube.The convenient situation about vacuumizing of observing
Open valve valve I 8 and valve II 9, start vacuum pump, observe pressure vacuum gauge 4, when reaching specified vacuum degree 13-133Pa, kept this vacuum degree 4-6 hour; Open valve VI 22 and valve V 21 again, start oil filter 3, under vacuum state, transformer is carried out slow oiling; Observe the transparent tube that valve IV 24 is communicated with three-way pipe II 26, when the level height of fluid when transformer tank pushes up, valve-off III 23 and valve IV 24 are separated from three-way pipe II 26 and valve III 23 and valve IV 24; When fluid during, valve-off V 21 and valve VI 22 to the standard oil level of the oil conservator of transformer,, valve V 21 and oil filter 3 are separated from, continuing to keep vacuum degree is 13-133Pa 3-4 hour, the valve-off II 9 again, and vacuum pump 2 and valve I 8 are separated from.
In first embodiment of the present utility model, the relative aperture of the respiratory siphon at the oil conservator top on transformer top is less, generally has only about 25mm, it is lower to vacuumize efficient, transformer tank to vacuumize valve aperture bigger, be generally about 80mm, vacuumize efficient than higher.
The 3rd embodiment that is used for the device of transformer vacuum oil of the present utility model, valve III 23 is set to be communicated with the valve port of the quick-action oil pressure relay of transformer tank.
The 3rd embodiment that is used for the device of transformer vacuum oil of the present utility model, valve III 23 be set to transformer top, top or oil conservator and transformer body between the valve port of connecting line be communicated with.
In the transformer that my company produces, all be to use the existing method in the background technology to carry out vacuum oil in the past, but in actual applications, find because pressure vacuum gauge 4 is arranged on the top of transformer, when carrying out oil filling, operating personnel can not finish the work, thereby waste man-hour,, designed the technical solution of the utility model therefore based in order to reduce the technical problem in man-hour, but test by one section, not only operating personnel can finish oiling work, and have saved some operations, have accelerated oil injecting speed, guaranteed the quality of fluid simultaneously, made the heat dispersion of transformer improve 20%.
The characteristics of the utlity model has down:
1, not only pipeline connects the utility model and configuration is more reasonable, pressure vacuum gauge is moved to oil conservator by the case lid top draw the bottom of respiratory siphon down, handled easily and checking.
2, the utility model has been realized the processing of whole process flow process vacuum, shuts down, removes the step of vacuum normal pressure repairing in the middle of vacuum pump does not need; Also saved to vacuumize during the oiling process oiling pipeline has been removed the step that is connected to oil conservator again from the transformer body; It is simple that this technology has operation really, handling safety, time saving and energy saving characteristics.
3, for guaranteeing that transformer oil can not suck vacuum pump, increase the U-shaped vacuum-resistant transparent tube (or vacuum transition jar) of two ends band valve; When in the U-shaped vacuum-resistant transparent tube (or vacuum transition jar) transformer oil being arranged, both the indication transformer oil level had surpassed the valve height that connects, close the valve at U-shaped vacuum-resistant transparent tube (or vacuum transition jar) rear portion earlier, close the valve on the anterior valve of U-shaped vacuum-resistant transparent tube (or vacuum transition jar) and the transformer body that is connected again.Can prevent that transformer oil from sucking in the vacuum pump.
4, enter in the transformer for the gas that prevents oil filter and be attached thereto in the pipeline, can increase special pipe joint at the D point.
In being used for the apparatus and method technical field of transformer vacuum oil; Every vacuum pump 2 that includes is set to be communicated with the respiratory siphon at the oil conservator top on transformer top by valve I 8, three-way pipe I 25 and valve II 9 successively; end in three-way pipe I 25 is set to be communicated with residual voltage meter 5; between three-way pipe I 25 and valve II 9, be provided with pressure vacuum gauge 4; pressure vacuum gauge 4 is set to be communicated with three-way pipe I 25 and valve II 9, and the technology contents that oil filter 3 is set to be communicated with the notes or the fuel outlet of transformer bottom by valve V 21 is all in protection range of the present utility model.
Claims (7)
1. device that is used for transformer vacuum oil; It is characterized in that: include vacuum pump (2), oil filter (3), pressure vacuum gauge (4), residual voltage meter (5), valve I (8), valve II (9), valve V (21) and three-way pipe I (25), vacuum pump (2) is set to successively by valve I (8), three-way pipe I (25) and valve II (9) are communicated with the respiratory siphon at the oil conservator top on transformer top, end at three-way pipe I (25) is set to be communicated with residual voltage meter (5), between three-way pipe I (25) and valve II (9), be provided with pressure vacuum gauge (4), pressure vacuum gauge (4) is set to be communicated with three-way pipe I (25) and valve II (9), and oil filter (3) is set to be communicated with the notes or the fuel outlet of transformer bottom by valve V (21).
2. the device that is used for transformer vacuum oil according to claim 1; It is characterized in that: the pipeline between the respiratory siphon at the oil conservator top on connection valve II (9) and transformer top is set to the U-shaped transparent tube
3. according to claim 1, the 2 or 3 described devices that are used for transformer vacuum oil; It is characterized in that: also include valve III (23), valve IV (24) and three-way pipe II (26), valve IV (24) is arranged on the bottom of transformer, valve III (23) is set to be communicated with the valve port on the top of transformer, valve III (23) is set to be communicated with three-way pipe II (26), valve IV (24) is set to be communicated with three-way pipe II (26) by transparent tube, and three-way pipe II (26) is set to be communicated with three-way pipe I (25).
4. the device that is used for transformer vacuum oil according to claim 3; It is characterized in that: the pipeline that connects between three-way pipe I (25) and the three-way pipe II (26) is set to the U-shaped transparent tube.
5. the device that is used for transformer vacuum oil according to claim 4; It is characterized in that: valve III (23) is arranged on transformer tank and covers and be set to be communicated with the vacuum pumping valve doorway of transformer tank.
6. the device that is used for transformer vacuum oil according to claim 4; It is characterized in that: valve III (23) is set to be communicated with the valve port of the quick-action oil pressure relay of transformer tank.
7. the device that is used for transformer vacuum oil according to claim 4; It is characterized in that: valve III (23) be set to transformer top, top or oil conservator and transformer body between the valve port of connecting line be communicated with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205824560U CN202042318U (en) | 2010-10-29 | 2010-10-29 | Vacuum oil-injection device for transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205824560U CN202042318U (en) | 2010-10-29 | 2010-10-29 | Vacuum oil-injection device for transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202042318U true CN202042318U (en) | 2011-11-16 |
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ID=44969755
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205824560U Expired - Fee Related CN202042318U (en) | 2010-10-29 | 2010-10-29 | Vacuum oil-injection device for transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202042318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047376A (en) * | 2013-11-15 | 2015-11-11 | 国网山东省电力公司青岛供电公司 | Vacuum oil filling and detecting system for adjustable transformer |
-
2010
- 2010-10-29 CN CN2010205824560U patent/CN202042318U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105047376A (en) * | 2013-11-15 | 2015-11-11 | 国网山东省电力公司青岛供电公司 | Vacuum oil filling and detecting system for adjustable transformer |
| CN105097203A (en) * | 2013-11-15 | 2015-11-25 | 国网山东省电力公司青岛供电公司 | Transformer vacuum oil-injection and detection system capable of achieving bidirectional adjustment |
| CN105097202A (en) * | 2013-11-15 | 2015-11-25 | 国网山东省电力公司青岛供电公司 | Transformer vacuum oil filling and detecting system adopting vacuum pump to vacuumize |
| CN105047376B (en) * | 2013-11-15 | 2017-12-15 | 国网山东省电力公司青岛供电公司 | Adjustable variable-pressure device vacuum oil, detecting system |
| CN105097203B (en) * | 2013-11-15 | 2017-12-15 | 国网山东省电力公司青岛供电公司 | A kind of transformer vacuum oil of bidirectional modulation, detecting system |
| CN105097202B (en) * | 2013-11-15 | 2017-12-15 | 国网山东省电力公司青岛供电公司 | A kind of transformer vacuum oil vacuumized using vavuum pump, detecting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111116 Termination date: 20171029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |