CN104134520B - The refueling device of distribution transformer and the oiling method of distribution transformer - Google Patents
The refueling device of distribution transformer and the oiling method of distribution transformer Download PDFInfo
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- CN104134520B CN104134520B CN201410361458.XA CN201410361458A CN104134520B CN 104134520 B CN104134520 B CN 104134520B CN 201410361458 A CN201410361458 A CN 201410361458A CN 104134520 B CN104134520 B CN 104134520B
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Abstract
The invention discloses the refueling device of a kind of distribution transformer, the transition oil cylinder being connected with described oil cylinder main body including oil cylinder main body, described oil cylinder main body has filling passage, pressure valve and the pressure relief valve that the first cavity is connected with described first cavity, and described pressure valve connects device for exerting；Described transition oil cylinder has delivery valve and the air bleeding valve that the second cavity is connected with described second cavity, described transition oil cylinder and described oil cylinder main body the first pipeline communication, described first pipeline extend into described first cavity bottom, and described delivery valve second pipe is connected to distribution transformer.Press in oil cylinder main body, in-oil cylinder for transition insulating oil can be slowly fed in distribution transformer by second pipe, refuel to distribution transformer with this, it is avoided that during refueling and contacts with distribution transformer, and it is avoided that transformer is mixed into air, can realize distribution transformer to refuel to distribution transformer in the case of not power-off, security performance is high.
Description
Technical field
The present invention relates to refueling device field, particularly relate to refueling device and the distribution of a kind of distribution transformer
The oiling method of transformer.
Background technology
Distribution transformer refers to transmit friendship according to law of electromagnetic induction conversion alternating voltage and electric current in distribution system
The static electrical equipment of one of stream electric energy.It is commonly mounted on electric pole or in distribution substation, typically can be by voltage from 6～10
Kilovolt is down to about 400 volts input users.At present, when distribution transformer needs to refuel, generally require distribution
Transformer power-off, oiling in distribution transformer the most again, and distribution transformer electrically connect huge numbers of families, is
Important hinge, will affect the power supply of huge numbers of families, bring to attendant after distribution transformer power-off
Inconvenience greatly.
Summary of the invention
It is an object of the invention to provide a kind of can Electrified oil-charging, the oiling of distribution transformer that security performance is high
Device.
For realizing the purpose of the present invention, adopt the technical scheme that: the refueling device of a kind of distribution transformer,
The transition oil cylinder being connected with described oil cylinder main body including oil cylinder main body, described oil cylinder main body have the first cavity,
Filling passage, pressure valve and the pressure relief valve being connected with described first cavity, described pressure valve connects
Device for exerting；Described transition oil cylinder has delivery valve and the row that the second cavity is connected with described second cavity
Air valve, described transition oil cylinder and described oil cylinder main body the first pipeline communication, described first pipeline extend into institute
Stating the first cavity bottom, described delivery valve second pipe is connected to distribution transformer.
The present invention also provides for a kind of energy band supply electricity to the method that distribution transformer refuels, and comprises the steps:
Open described air bleeding valve, pressure valve, insulating oil is added described first cavity by described filling passage
In, and make in insulating oil is incorporated into described second cavity by described first pipeline described second cavity full oily；
Close described air bleeding valve, and keep described filling passage to close, and execute described in the connection of described pressure valve
Pressure device；
Connect delivery valve and the fuel feeding valve of described distribution transformer of described transition oil cylinder with second pipe, open
The delivery valve of described transition oil cylinder and described air bleeding valve, keep the fuel feeding valve of described transformer to close simultaneously,
Insulating oil in described first cavity is incorporated in described second cavity by described device for exerting pressure, when
After being discharged by gas in second pipe, close the delivery valve of described transition oil cylinder；
Opening the fuel feeding valve of described distribution transformer, the delivery valve slowly opening described transition oil cylinder is joined to described
Oiling in piezoelectric transformer, after the oil level of described distribution transformer is normal, closes the note of described distribution transformer
Fuel tap and the delivery valve of described transition oil cylinder.
Below technical scheme is further illustrated:
Further, described oil cylinder main body also has the Vacuum Pressure for detecting described first cavity internal gas pressure
Power table, described pressure vacuum gauge electrically connects with described pressure relief valve, when described pressure vacuum gauge detects institute
Stating the first cavity internal gas pressure and exceed preset range, described pressure relief valve is opened；When described pressure vacuum gauge is examined
Measuring described first cavity internal gas pressure in preset range, described pressure relief valve remains turned-off.
Further, also include that warning device, described warning device electrically connect with described pressure vacuum gauge,
When described pressure vacuum gauge detects that described first cavity internal gas pressure exceedes preset range, described warning device report
Alert.
Further, described device for exerting is nitrogen cylinder.
Further, described oil cylinder main body is distributed multiple in observing described first cavity the of oil level
One observation window, described transition oil cylinder has the second observation window of oil level in observing described second cavity.
Further, described filling passage includes being arranged at the priming valve in oil cylinder main body and/or filler plug
Son, described priming valve is for being connected with oiling pipeline, and described oiling stopper is for being connected with oiling pan.
Further, after making described second cavity full oil step in insulating oil is incorporated into described second cavity
Further comprise the steps of: closedown described air bleeding valve, pressure valve, described oil cylinder main body is vacuumized process or quiet
Only processing makes the gas in described insulating oil disengage.
Further, the time that described oil cylinder main body vacuumizes process is 1～2h, to described oil cylinder
The time of the static process of main body is 3～5h.
Further, further comprised the steps of: before opening the fuel feeding valve step of described distribution transformer and open
Described distribution transformer dehydrating breather lubricant plug is vented.
Further, insulating oil is added the concrete steps in described first cavity by described filling passage
For: connect priming valve oiling in described first cavity by oil filter, or by portable oil tank in filler plug
Son oiling in described first cavity.
Further, in distribution transformer refueling process, control oiling flow velocity and the first cavity internal gas pressure
At preset range.
Compared with prior art, the method have the advantages that
Use refueling device and the oiling method of distribution transformer of the present invention, execute in oil cylinder main body
Pressure, can be slowly fed to in-oil cylinder for transition insulating oil in distribution transformer by second pipe, with this
Refuel to distribution transformer, be avoided that during refueling and contact with distribution transformer, and be avoided that transformation
Device is mixed into air, can realize distribution transformer and refuel to distribution transformer in the case of not power-off, security performance
High.
Accompanying drawing explanation
Fig. 1 is the refueling device structural representation of distribution transformer described in the embodiment of the present invention.
Description of reference numerals:
10, oil cylinder main body, the 11, first observation window, 12, refuel stopper, 13, pressure valve, 14, priming valve,
15, pressure relief valve, 16, pressure vacuum gauge, 20, transition oil cylinder, the 21, second observation window, 22, row
Air valve, 23, delivery valve, the 24, first pipeline.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the invention are described in detail:
As it is shown in figure 1, distribution transformer refueling device of the present invention, including oil cylinder main body 10 and institute
Stating the transition oil cylinder 20 that oil cylinder main body 10 connects, described oil cylinder main body 10 has the first cavity and (does not draws in figure
Go out) filling passage (not illustrating in figure), pressure valve 13 and the pressure that are connected with described first cavity
Relief valve 15, described pressure valve 13 connects device for exerting (not illustrating in figure).Described transition oil cylinder 20 has
There are delivery valve 23 and air bleeding valve 22 that the second cavity (being not drawn in figure) is connected with described second cavity,
Described transition oil cylinder 20 connects with the first pipeline 24 with described oil cylinder main body 10, and described first pipeline 24 is stretched
Entering to described first cavity bottom, described delivery valve 23 is connected to distribution transformer with second pipe.
Use refueling device and the oiling method of distribution transformer of the present invention, in oil cylinder main body 10
Pressure, can be slowly fed to the insulating oil in transition oil cylinder 20 in distribution transformer by second pipe,
Refuel to distribution transformer with this, be avoided that during refueling and contact with distribution transformer, and be avoided that
Transformer is mixed into air, can realize distribution transformer and refuel to distribution transformer in the case of not power-off, safety
Performance is high.
Described oil cylinder main body 10 also has the pressure vacuum gauge 16 for detecting described first cavity internal gas pressure, institute
State pressure vacuum gauge 16 to electrically connect with described pressure relief valve 15, when described pressure vacuum gauge 16 detects institute
Stating the first cavity internal gas pressure and exceed preset range, described pressure relief valve 15 is opened；When described pressure vacuum gauge
16 detect described first cavity internal gas pressure in preset range, described pressure relief valve 15 remains turned-off.Its
In, oil cylinder main body 10 of the present invention also includes warning device, described warning device and described pressure vacuum gauge
16 electrical connections, when described pressure vacuum gauge 16 detects that described first cavity internal gas pressure exceedes preset range, institute
State warning device to report to the police.Can remind staff with this, improve security performance, described device for exerting is nitrogen
Gas cylinder. described oil cylinder main body 10 is distributed multiple the first observation window of oil level in observing described first cavity
11, described transition oil cylinder 20 has the second observation window 21 of oil level in observing described second cavity.Pass through
First observation window 11 or the second observation window 21 are it is observed that oil in transition oil cylinder 20 and oil cylinder main body 10
Position situation, facilitates staff to refuel.Described filling passage includes the priming valve being arranged in oil cylinder main body 10
14 and/or refuel stopper 12, described priming valve 14 for being connected with oiling pipeline, described oiling stopper 12
For being connected with oiling pan.I.e. can optionally both can add to oil cylinder main body 10 with oiling pan
Oil, it is also possible to oil cylinder main body 10 is connected to oil filter, with pipeline directly oiling in oil cylinder main body.
The present invention also provides for a kind of energy band supply electricity to the method that distribution transformer refuels, and comprises the steps:
Open described air bleeding valve 22, pressure valve 13, insulating oil is added described first by described filling passage
In cavity, and pass through insulating oil to make described second chamber in described first pipeline 24 is incorporated into described second cavity
The full oil of body.
Close described air bleeding valve 22, and keep described priming valve 14, pressurization stopper to close, and by described pressure
Valve 13 connects described device for exerting.
The delivery valve 23 of described transition oil cylinder 20 and the fuel feeding valve of described distribution transformer is connected with second pipe,
Open delivery valve 23 and the air bleeding valve 22 of described transition oil cylinder 20, keep the oiling of described transformer simultaneously
Valve cuts out, and by described device for exerting pressure, the insulating oil in described first cavity is incorporated into described second chamber
Internal, after being discharged by the gas in second pipe, close the delivery valve 23 of described transition oil cylinder 20.
Open the fuel feeding valve of described distribution transformer, slowly open the delivery valve 23 of described transition oil cylinder 20 to
Oiling in described distribution transformer, after the oil level of described distribution transformer is normal, closes described distribution transformer
The fuel feeding valve of device and the delivery valve 23 of described transition oil cylinder 20.
Further comprise the steps of: after making described second cavity full oil step in insulating oil is incorporated into described second cavity
Close described air bleeding valve 22, pressure valve 13, described oil cylinder main body 10 is vacuumized process or static place
Reason makes the gas in described insulating oil disengage.In embodiments of the present invention, described oil cylinder main body 10 is taken out
The vacuum treated time is 1～2h, and the time to the described static process of oil cylinder main body 10 is 3～5h.
Further comprised the steps of: before opening the fuel feeding valve step of described distribution transformer and open described distribution transformer
Device dehydrating breather lubricant plug is vented.
Insulating oil is added concretely comprising the following steps in described first cavity by described filling passage: pass through oil strain
Machine connects priming valve 14 oiling in described first cavity, or is refueling stopper 12 to institute by portable oil tank
State oiling in the first cavity.
In distribution transformer refueling process, control oiling flow velocity and the first cavity internal gas pressure at preset range.
Close transition oil cylinder 20 delivery valve 23 if desired, increase oil cylinder nitrogen pressure, be further continued for slowly opening bridging oil
Cylinder 20 delivery valve 23 oiling.
Embodiment described above only have expressed the detailed description of the invention of the present invention, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that, for this area
Those of ordinary skill for, without departing from the inventive concept of the premise, it is also possible to make some deformation and
Improving, these broadly fall into protection scope of the present invention.
Claims (6)
1. an oiling method for distribution transformer, the refueling device of the distribution transformer of employing includes oil cylinder master
The transition oil cylinder that body is connected with described oil cylinder main body, described oil cylinder main body has the first cavity and described
Filling passage, pressure valve and the pressure relief valve that one cavity is connected, described pressure valve connects device for exerting；
Described transition oil cylinder has delivery valve and the air bleeding valve that the second cavity is connected with described second cavity, described
Transition oil cylinder and described oil cylinder main body the first pipeline communication, described first pipeline extend into described first cavity
Bottom, described delivery valve second pipe is connected to distribution transformer；
It is characterized in that, comprise the steps:
Open described air bleeding valve, pressure valve, insulating oil is added described first cavity by described filling passage
In, and make in insulating oil is incorporated into described second cavity by described first pipeline described second cavity full oily；
Close described air bleeding valve, and keep described filling passage to close, and execute described in the connection of described pressure valve
Pressure device；
Connect delivery valve and the fuel feeding valve of described distribution transformer of described transition oil cylinder with second pipe, open
The delivery valve of described transition oil cylinder and described air bleeding valve, keep the fuel feeding valve of described transformer to close simultaneously,
Insulating oil in described first cavity is incorporated in described second cavity by described device for exerting pressure, when
After being discharged by gas in second pipe, close the delivery valve of described transition oil cylinder；
Opening the fuel feeding valve of described distribution transformer, the delivery valve slowly opening described transition oil cylinder is joined to described
Oiling in piezoelectric transformer, after the oil level of described distribution transformer is normal, closes the note of described distribution transformer
Fuel tap and the delivery valve of described transition oil cylinder.
The oiling method of distribution transformer the most according to claim 1, it is characterised in that by insulating oil
The described exhaust of closedown is further comprised the steps of: after making described second cavity full oil step in being incorporated into described second cavity
Valve, pressure valve, vacuumize process to described oil cylinder main body or static process makes the gas in described insulating oil
Body disengages.
The oiling method of distribution transformer the most according to claim 2, it is characterised in that to described oil
It is 1～2h that cylinder main body vacuumizes the time of process, and the time to the described static process of oil cylinder main body is 3～5h.
The oiling method of distribution transformer the most according to claim 1, it is characterised in that opening
Further comprise the steps of: before stating the fuel feeding valve step of distribution transformer and open described distribution transformer dehydrating breather lubricant plug
Exhaust.
The oiling method of distribution transformer the most according to claim 1, it is characterised in that by insulating oil
Concretely comprising the following steps in described first cavity is added: connect priming valve by oil filter by described filling passage
Oiling in described first cavity, or refueling stopper oiling in described first cavity by portable oil tank.
The oiling method of distribution transformer the most according to claim 1, it is characterised in that become to distribution
In depressor refueling process, control oiling flow velocity and the first cavity internal gas pressure at preset range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361458.XA CN104134520B (en) | 2014-07-25 | 2014-07-25 | The refueling device of distribution transformer and the oiling method of distribution transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410361458.XA CN104134520B (en) | 2014-07-25 | 2014-07-25 | The refueling device of distribution transformer and the oiling method of distribution transformer |
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| Publication Number | Publication Date |
|---|---|
| CN104134520A CN104134520A (en) | 2014-11-05 |
| CN104134520B true CN104134520B (en) | 2016-09-07 |
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| CN201410361458.XA Active CN104134520B (en) | 2014-07-25 | 2014-07-25 | The refueling device of distribution transformer and the oiling method of distribution transformer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104989937A (en) * | 2015-05-25 | 2015-10-21 | 国家电网公司 | Live-working lubricating apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP5472846B2 (en) * | 2008-12-16 | 2014-04-16 | 三菱電機株式会社 | Tap switching device and pressure adjusting method |
| CN202093937U (en) * | 2011-04-29 | 2011-12-28 | 河南省电力公司三门峡供电公司 | Oil tank for oiling oil filling casing |
| CN102779621B (en) * | 2012-08-20 | 2015-10-07 | 富阳市供电局 | Oil changing device |
| CN202736653U (en) * | 2012-08-28 | 2013-02-13 | 无锡市华润环保设备有限公司 | Novel automatic oil recharging device |
| CN103559980B (en) * | 2013-11-15 | 2015-12-16 | 宋红庆 | Comprehensive protector of transformer and system thereof |
| CN203733574U (en) * | 2014-02-21 | 2014-07-23 | 广东中鹏电气有限公司 | Vacuum oil injection equipment for transformer |
| CN204010926U (en) * | 2014-07-25 | 2014-12-10 | 广州供电局有限公司 | The refueling device of distribution transformer |
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Effective date of registration: 20200915 Address after: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee after: Guangzhou Power Supply Bureau of Guangdong Power Grid Co.,Ltd. Address before: 510620 Tianhe District, Guangzhou, Tianhe South Road, No. two, No. 2, No. Patentee before: GUANGZHOU POWER SUPPLY Co.,Ltd. |
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