CN103440962B - Transformer on-line intelligence repairing car and oil supplement method - Google Patents
Transformer on-line intelligence repairing car and oil supplement method Download PDFInfo
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- CN103440962B CN103440962B CN201310332059.6A CN201310332059A CN103440962B CN 103440962 B CN103440962 B CN 103440962B CN 201310332059 A CN201310332059 A CN 201310332059A CN 103440962 B CN103440962 B CN 103440962B
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000013589 supplement Substances 0.000 title claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 40
- 230000037452 priming Effects 0.000 claims abstract description 18
- 230000008569 process Effects 0.000 claims description 17
- 230000009467 reduction Effects 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 235000008331 Pinus X rigitaeda Nutrition 0.000 claims description 3
- 235000011613 Pinus brutia Nutrition 0.000 claims description 3
- 241000018646 Pinus brutia Species 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000001131 transforming effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The present invention discloses a kind of transformer on-line intelligence repairing car and oil supplement method, include the storage tanker with fuel-displaced valve, frequency conversion petrol-feed pump, Y-tube and control module, Y-tube is equipped with out the pressure transmitter of solenoid, draining valve, band limited-voltage control, described pressure transmitter, Y-tube, go out solenoid, draining valve, frequency conversion petrol-feed pump, storage tanker and control module be all arranged on kart or electromobile, on Y-tube go out solenoid drawn with transformer conservator by pipe connecting when applying under priming valve be connected. The transformer on-line intelligence repairing car of the present invention, can directly leave near transforming plant main transformer, and main transformer carries out charged on-line intelligence repairing work, and work terminates to withdraw rapidly substation field. This device compared with tradition recharging oil device, have use safety, efficiently, huge advantage easily and efficiently.
Description
Technical field
The present invention relates to a kind of recharging oil device, particularly a kind of transformer on-line intelligence repairing car and oil supplement method.
Background technology
Transformer is in operational process, repairing need to be carried out when occurring seepage, the temperature difference etc. to cause oil level to be reduced to the low position of oil level gauge, the traditional repairing mode widely used now, it is be connected to transformer top conservator with petrol-feed pump or oil filter to draw lower priming valve place and carry out refueling (or being connected to the fuel-displaced valve in transformer bottom), it is uncontrollable owing to refueling process adding oil pressure, and the situations such as oil stream impact, turbulent flow, splashing can be there is, the catastrophe failure of inside transformer electric discharge may be caused, therefore transformer power failure must be turned inspecting state and just can carry out repairing work. Adopt power failure to carry out repairing, bring very big financial loss to production, too increase working strength and working hour simultaneously.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art part, and a kind of transformer on-line intelligence repairing car that can realize online repairing is provided.
Another object of the present invention also is to provide a kind of transformer on-line intelligence oil supplement method that can realize online repairing.
A kind of transformer on-line intelligence repairing car, include the storage tanker with fuel-displaced valve, frequency conversion petrol-feed pump, Y-tube and control module, Y-tube is equipped with out solenoid, draining valve, pressure transmitter with limited-voltage control, described frequency conversion petrol-feed pump import is connected with storage tanker, the outlet of frequency conversion petrol-feed pump is connected with Y-tube, go out solenoid to be arranged on the exit end of Y-tube and be connected by the priming valve of external connecting leg with transformer conservator, draining valve is arranged on the side branch of three connecting pipes, described transformer on-line intelligence recharging oil device also includes the electric contact oil level gauge for replacing oil level gauge in transformer conservator, described control module is for receiving pressure transmitter, and the information of electric contact oil level gauge and control frequency conversion petrol-feed pump and go out the action of solenoid, described pressure transmitter, Y-tube, go out solenoid, draining valve, frequency conversion petrol-feed pump, storage tanker and control module are all arranged on kart or electromobile, on Y-tube go out solenoid apply time drawn with transformer conservator by pipe connecting under priming valve be connected.
The transformer on-line intelligence repairing car of the present invention, by on transformer on-line intelligence repairing car Y-tube go out solenoid drawn with transformer top conservator by extension tube attached under priming valve be connected and can carry out repairing work, when carrying out repairing, pressure transmitter can by the inside transformer real-time sensing of oil pressure data in the control module of designed type selecting, by this control module according to the pressure reduction sequence of control of design, the frequency of control frequency conversion petrol-feed pump, automatically adjustment frequency conversion petrol-feed pump is all the time to carry out releiving repairing a little more than the pressure of inside transformer oil pressure, this device can prevent refueling process from occurring, and overvoltage is dangerous, when repairing is to specified oil level, connect electric contact oil level gauge automatically to control close petrol-feed pump and go out solenoid, repairing work terminates. owing to repairing is releived into oil by pressure reduction control all the time, therefore repairing whole process can not produce such as: the situations such as oil stream impact, turbulent flow, splashing, overcome tradition petrol-feed pump and various oil filter to add oil pressure uncontrollable and produce oil stream impacts, turbulent flow, splashing etc. and may cause inside transformer in operation and produce the danger of electric discharge catastrophe failure, thus ensure that transformer can carry out safe, reliable, efficient, economic repairing in charging operation and work. simultaneously owing to being arranged on by each parts in kart and power truck, near the transformer that as required repairing car is driven to required oiling that therefore can be flexible, there is the convenient advantage being suitable for.
The control module of described transformer on-line intelligence repairing car mainly includes the automatic pilot circuit of high oil level, and the automatic pilot circuit of pressure limiting and a few part of pressure reduction automatic frequency-conversion pilot circuit are formed.
A kind of transformer on-line intelligence oil supplement method, its step is as follows:
1, utilize kart or electromobile, repairing car is reached need refuel transformer limit on, then by the transformer on-line intelligence repairing car Y-tube of the present invention go out solenoid drawn with transformer top conservator by extension tube attached under priming valve be connected,
2, before repairing, first dismantle the silica gel drier that transformer conservator breathes skirt end, prevent from repairing process is felt suffocated,
3, open the priming valve of transformer conservator, open out solenoid, allow the oil of eminence conservator naturally flow down and fill connecting leg and frequency conversion petrol-feed pump,
4, revolve pine frequency conversion petrol-feed pump top venting plug, screw after releasing gas and dead oil,
5, the fuel-displaced valve of storage tanker is opened,
6, open frequency conversion petrol-feed pump and record oil pressure value in transformer in real time according to pressure transmitter, and by setting pressure reduction state modulator frequency conversion petrol-feed pump add oil pressure, with under state a little more than inside transformer oil pressure all the time, releive and refuel, ensure to refuel whole process, the situations such as oil stream impact, turbulent flow, splashing not occurring and causes the contingent electric discharge catastrophe failure of inside transformer, the pressure limiting device of this device assembling simultaneously ensure that repairing process does not occur superpressure dangerous
7, when refueling to specified oil level, electric contact oil level gauge action, automatically closes frequency conversion petrol-feed pump and goes out solenoid,
8, close transformer conservator priming valve, the silica gel drier originally dismantled reinstalled conservator and breathes skirt end,
9, the fuel-displaced valve of storage tanker is closed,
10, open draining valve, drain oil in pipeline.
In sum, the present invention's following advantage compared to existing technology:
The transformer on-line intelligence repairing car of the present invention and oil supplement method, overcome tradition in the middle of prior art carry out repairing work time, various bunkering facilities, store oil equipment and the carrying such as pipeline, power supply need to be got on the bus, or get on the bus with crane lifting, need again to carry the heavy inefficient operation got off of unloading to substation, and the substation of high voltage equipment it is covered with in surrounding, there are very big Hazard Factor in transportation loading and unloading work. This apparatus design type selecting is arranged on the rear cabinet of kart or electromobile, makes it to become self-contained one, can directly open near transforming plant main transformer, and main transformer carries out charged on-line intelligence repairing work, and work terminates to withdraw rapidly substation field. This device compared with tradition recharging oil device, have use safety, efficiently, huge advantage easily and efficiently.
What tradition repairing equipment adopted simultaneously is petrol-feed pump or oil filter (comprising vacuum oil filtering machine), it is uncontrollable owing to refueling process adding oil pressure, and the situations such as oil stream impact, turbulent flow, splashing can be there is, the catastrophe failure of inside transformer electric discharge may be caused, therefore transformer power failure must be turned inspecting state and just can carry out repairing work. This device be by setting pressure reduction state modulator frequency conversion petrol-feed pump add oil pressure, with under state a little more than transformer conservator internal oil pressure all the time, releive and refuel, ensure to refuel whole process, there is not the situations such as oil stream impact, turbulent flow, splashing and cause the contingent electric discharge catastrophe failure of inside transformer dangerous, the pressure limiting device of this device assembling simultaneously ensure that repairing process does not occur superpressure dangerous, therefore can complete transformer repairing work without the need to having a power failure, compared with the various kinds of equipment carried out that need to have a power failure with tradition repairing, there is the advantage that can not intend ratio. .
Accompanying drawing explanation
Fig. 1 is the structural representation of the transformer on-line intelligence repairing car of the present invention.
Fig. 2 is the high oil level automatically controlled circuit diagram of the embodiment of the present invention.
Fig. 3 is the pressure limiting automatically controlled circuit diagram of the embodiment of the present invention.
Fig. 4 is the pressure reduction automatic frequency-conversion pilot circuit figure of the embodiment of the present invention.
Label illustrates that 1 frequency conversion petrol-feed pump 2 Y-tube 21 goes out pressure transmitter 3 storage tanker 4 electric contact oil level gauge 5 transformer conservator 6 kart of solenoid 22 draining valve 23 band limited-voltage control.
Embodiment
Below in conjunction with embodiment, the present invention is described in more detail.
Embodiment 1
A kind of transformer on-line intelligence repairing car as Figure 1-4, include the storage tanker 3 with fuel-displaced valve, frequency conversion petrol-feed pump 1, Y-tube 2 and control module, Y-tube is equipped with out solenoid 21, draining valve 22, pressure transmitter 23 with limited-voltage control, described frequency conversion petrol-feed pump import is connected with storage tanker, the outlet of frequency conversion petrol-feed pump is connected with Y-tube, go out solenoid to be arranged on the exit end of Y-tube and be connected by the priming valve of external connecting leg with transformer conservator 5, draining valve is arranged on the side branch of three connecting pipes, described transformer on-line intelligence recharging oil device also includes the electric contact oil level gauge 4 for replacing oil level gauge in transformer conservator, described control module is for receiving pressure transmitter, and the information of electric contact oil level gauge and control frequency conversion petrol-feed pump and go out the action of solenoid, described pressure transmitter, Y-tube, go out solenoid, draining valve, frequency conversion petrol-feed pump, storage tanker and control module are all arranged in kart 6, on Y-tube go out solenoid apply time drawn with transformer conservator by pipe connecting under priming valve be connected.
The control module of described transformer on-line intelligence repairing car mainly includes the automatic pilot circuit of high oil level, and the automatic pilot circuit of pressure limiting and a few part of pressure reduction automatic frequency-conversion pilot circuit are formed.
The repairing process of this transformer on-line intelligence repairing car is as follows:
1, utilize kart or electromobile, repairing car is reached need refuel transformer limit on, then by the transformer on-line intelligence repairing car Y-tube of the present invention go out solenoid drawn with transformer top conservator by extension tube attached under priming valve be connected,
2, before repairing, first dismantle the silica gel drier that transformer conservator breathes skirt end, prevent from repairing process is felt suffocated.
3, open the priming valve of transformer conservator, open out solenoid, allow the oil of eminence conservator naturally flow down and fill connecting leg and frequency conversion petrol-feed pump.
4, revolve pine frequency conversion petrol-feed pump top venting plug, screw after releasing gas and dead oil.
5, the fuel-displaced valve of storage tanker is opened.
6, open frequency conversion petrol-feed pump and record oil pressure value in transformer in real time according to pressure transmitter, and by setting pressure reduction state modulator frequency conversion petrol-feed pump add oil pressure, with under state a little more than inside transformer oil pressure all the time, releive and refuel, ensure to refuel whole process, the situations such as oil stream impact, turbulent flow, splashing not occurring and causes the contingent electric discharge catastrophe failure of inside transformer, the pressure limiting device of this device assembling simultaneously ensure that repairing process does not occur superpressure dangerous.
7, when refueling to specified oil level, electric contact oil level gauge action, automatically closes frequency conversion petrol-feed pump and goes out solenoid.
8, close transformer conservator priming valve, the silica gel drier originally dismantled is reinstalled conservator and breathes skirt end.
9, the fuel-displaced valve of storage tanker is closed.
10, open draining valve, drain oil in pipeline.
It is same as the prior art that the present embodiment does not state part.
Claims (2)
1. a transformer on-line intelligence repairing car, it is characterized in that: include the storage tanker with fuel-displaced valve, frequency conversion petrol-feed pump, Y-tube and control module, Y-tube is equipped with out solenoid, draining valve, pressure transmitter with limited-voltage control, described frequency conversion petrol-feed pump import is connected with storage tanker, the outlet of frequency conversion petrol-feed pump is connected with Y-tube, go out solenoid to be arranged on the exit end of Y-tube and be connected by the priming valve of external connecting leg with transformer conservator, draining valve is arranged on the side branch of three connecting pipes, described transformer on-line intelligence recharging oil device also includes the electric contact oil level gauge for replacing oil level gauge in transformer conservator, described control module is for receiving pressure transmitter, and the information of electric contact oil level gauge and control frequency conversion petrol-feed pump and go out the action of solenoid, described pressure transmitter, Y-tube, go out solenoid, draining valve, frequency conversion petrol-feed pump, storage tanker and control module are all arranged on kart or electromobile, on Y-tube go out solenoid apply time drawn with transformer conservator by pipe connecting under priming valve be connected, the control module of described transformer on-line intelligence repairing car mainly includes the automatic pilot circuit of high oil level, the automatic pilot circuit of pressure limiting and a few part of pressure reduction automatic frequency-conversion pilot circuit are formed.
2. one kind adopts the transformer on-line intelligence oil supplement method of the transformer on-line intelligence repairing car of claim 1, it is characterised in that, step is as follows:
(1) kart or electromobile, is utilized, repairing car is reached on the transformer limit needing oiling, then by the transformer on-line intelligence repairing car Y-tube of the present invention go out solenoid drawn with transformer top conservator by extension tube attached under priming valve be connected
(2), before repairing, first dismantle the silica gel drier that transformer conservator breathes skirt end, prevent from repairing process is felt suffocated,
(3), open the priming valve of transformer conservator, open out solenoid, allow the oil of eminence conservator naturally flow down and fill connecting leg and frequency conversion petrol-feed pump,
(4), revolve pine frequency conversion petrol-feed pump top venting plug, screw after releasing gas and dead oil,
(5), the fuel-displaced valve of storage tanker is opened,
(6), open frequency conversion petrol-feed pump and record oil pressure value in transformer in real time according to pressure transmitter, and by setting pressure reduction state modulator frequency conversion petrol-feed pump add oil pressure, with under state a little more than inside transformer oil pressure all the time, releive and refuel, ensure to refuel whole process, do not occur oil stream impacts, turbulent flow, splashing situation and cause the contingent electric discharge catastrophe failure of inside transformer, the pressure limiting device of simultaneously this device assembling ensure that superpressure danger does not occur repairing process
(7), when refueling to specified oil level, electric contact oil level gauge action, automatically closes frequency conversion petrol-feed pump and goes out solenoid,
(8), close transformer conservator priming valve, the silica gel drier originally dismantled reinstalled conservator and breathes skirt end,
(9), the fuel-displaced valve of storage tanker is closed,
(10), open draining valve, drain oil in pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310332059.6A CN103440962B (en) | 2013-08-01 | 2013-08-01 | Transformer on-line intelligence repairing car and oil supplement method |
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| CN201310332059.6A CN103440962B (en) | 2013-08-01 | 2013-08-01 | Transformer on-line intelligence repairing car and oil supplement method |
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| CN103440962B true CN103440962B (en) | 2016-06-01 |
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| CN104036923A (en) * | 2014-01-21 | 2014-09-10 | 国家电网公司 | Oil-supplementing machine for oil-immersed current transformer |
| CN103824680A (en) * | 2014-03-03 | 2014-05-28 | 国家电网公司 | On-line intelligent oil recharging device and method for electric oil-charged transformer |
| CN106298174A (en) * | 2015-06-02 | 2017-01-04 | 广西电网有限责任公司桂林供电局 | A kind of oil supply machine of variable-ratio |
| CN105761903A (en) * | 2016-05-17 | 2016-07-13 | 国网山东省电力公司莱芜供电公司 | Vehicle-mounted integrated transformer oil filtering device |
| CN108693223A (en) * | 2017-04-06 | 2018-10-23 | 北京至感传感器技术研究院有限公司 | The on-line monitoring method and system of active sulfur in liquid oil |
| CN108288531B (en) * | 2018-01-09 | 2023-12-19 | 国网山东省电力公司滨州供电公司 | Transformer oil level auxiliary adjusting device |
| CN108461257B (en) * | 2018-01-17 | 2024-04-09 | 国网浙江宁波市鄞州区供电有限公司 | Oil supplementing device for transformer |
| CN109559872B (en) * | 2018-12-21 | 2021-02-05 | 云南电网有限责任公司电力科学研究院 | Transformer capsule type oil conservator with pressure compensation function and control monitoring method thereof |
| CN113790399A (en) * | 2021-09-15 | 2021-12-14 | 广东电网有限责任公司 | Automatic oil pressure regulating device for transformer |
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| CN201765910U (en) * | 2010-09-07 | 2011-03-16 | 南车株洲电机有限公司 | Constant pressure oil supplement device |
| CN102034591A (en) * | 2010-10-29 | 2011-04-27 | 山东鲁能泰山电力设备有限公司 | Device and method for injecting oil into transformer under vacuum condition |
| CN203026301U (en) * | 2012-11-28 | 2013-06-26 | 合肥瑞博电气有限公司 | Pressure regulating and oil feeding system |
| CN203423031U (en) * | 2013-08-01 | 2014-02-05 | 国家电网公司 | On-line intelligent oil supplementation vehicle for transformer |
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2013
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5621252B2 (en) * | 1975-06-20 | 1981-05-18 | ||
| CN2535910Y (en) * | 2002-04-02 | 2003-02-12 | 郭敏 | Live-line fuel charger for power equipment |
| CN201708008U (en) * | 2010-06-17 | 2011-01-12 | 中国石化集团胜利石油管理局电力管理总公司 | Vacuum oiling device |
| CN201765910U (en) * | 2010-09-07 | 2011-03-16 | 南车株洲电机有限公司 | Constant pressure oil supplement device |
| CN102034591A (en) * | 2010-10-29 | 2011-04-27 | 山东鲁能泰山电力设备有限公司 | Device and method for injecting oil into transformer under vacuum condition |
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| CN203423031U (en) * | 2013-08-01 | 2014-02-05 | 国家电网公司 | On-line intelligent oil supplementation vehicle for transformer |
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