CN211150304U - Connecting pipe for vacuum pumping of transformer body and on-load voltage regulating switch - Google Patents
Connecting pipe for vacuum pumping of transformer body and on-load voltage regulating switch Download PDFInfo
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- CN211150304U CN211150304U CN201922004650.4U CN201922004650U CN211150304U CN 211150304 U CN211150304 U CN 211150304U CN 201922004650 U CN201922004650 U CN 201922004650U CN 211150304 U CN211150304 U CN 211150304U
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Abstract
The utility model discloses a connecting pipe for vacuumizing a transformer body and an on-load tap changer, which is used for connecting the transformer body and the tap changer, and comprises a first flange, a second flange, a first vacuum gauge, a second vacuum gauge, a valve and a hose; the first flange is connected with a first vacuum gauge through a galvanized pipe; the first vacuum gauge is connected with a valve through a hose; the valve is connected with a second vacuum gauge through a hose; and the second vacuum gauge is connected with the second flange through a galvanized pipe. The embodiment of the utility model provides a but high-speed joint and isolation transformer body and on-load voltage regulation switch grease chamber cavity judge the leakage point fast through the inspection vacuum, improve evacuation efficiency.
Description
Technical Field
The utility model relates to a transformer technical field among the electric power system especially relates to a connecting pipe of transformer body and on-load tap changer evacuation.
Background
According to the requirements of GB50148-2010 electric device installation project power transformer, oil immersed reactor and transformer construction and acceptance criteria and D L/T573-2010 power transformer overhaul guide, 220kV and above transformers and reactors are required to be filled with oil in vacuum, 110kV transformers and reactors are required to be filled with oil in vacuum, the whole process of oil injection is required to be kept in vacuum, and in order to ensure that an oil chamber of an on-load voltage regulating switch is not damaged in the process of vacuum pumping operation, the transformer body can be pumped with vacuum only after a special communicating pipe for the on-load voltage regulating switch body and the transformer body is installed.
Due to the fact that the on-load tap changer manufacturers are numerous, the manufacturers have different production standards and different design models, connecting pipes of most on-load tap changers and the transformer body are different in size and cannot be used universally. Meanwhile, due to the fact that the service life is long, the connecting pipes of part of old transformers are lost, when workers carry out vacuumizing operation, the connecting pipes can only be manufactured by measuring the size temporarily, the overhauling time is prolonged, the connecting pipes manufactured temporarily are influenced by the process level, the problem of poor sealing exists, and the finishing quality of the vacuumizing operation is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a transformer body and on-load tap-changer evacuation's connecting pipe can solve when using prior art to transformer evacuation, damages the problem of on-load tap-changer grease chamber easily.
Correspondingly, the embodiment of the utility model provides a connecting pipe of transformer body and on-load tap changer evacuation, the connecting pipe of transformer body and on-load tap changer evacuation is used for connecting between transformer body and the tap changer, the connecting pipe of transformer body and on-load tap changer evacuation includes first flange, second flange, first vacuometer, second vacuometer, valve and hose;
the first flange is connected with a first vacuum gauge through a galvanized pipe;
the first vacuum gauge is connected with a valve through a hose;
the valve is connected with a second vacuum gauge through a hose;
and the second vacuum gauge is connected with the second flange through a galvanized pipe.
The first vacuum gauge is a ZDJ-1 type resistance vacuum gauge or a digital display resistance vacuum gauge.
The second vacuum gauge is a ZDJ-1 type resistance vacuum gauge or a digital display resistance vacuum gauge.
Correspondingly, the embodiment of the utility model provides a still provide a transformer, transformer equipment includes: the transformer body and the on-load tap changer are connected into a whole based on a connecting pipe for vacuumizing the transformer body and the on-load tap changer, and the connecting pipe for vacuumizing the transformer body and the on-load tap changer comprises a first flange, a second flange, a first vacuum gauge, a second vacuum gauge, a valve and a hose;
the first flange is connected with a first vacuum gauge through a galvanized pipe;
the first vacuum gauge is connected with a valve through a hose;
the valve is connected with a second vacuum gauge through a hose;
and the second vacuum gauge is connected with the second flange through a galvanized pipe.
The first vacuum gauge is a ZDJ-1 type resistance vacuum gauge or a digital display resistance vacuum gauge.
The second vacuum gauge is a ZDJ-1 type resistance vacuum gauge or a digital display resistance vacuum gauge.
Since the technical scheme is used, compared with the prior art, the utility model following beneficial effect has:
1. the utility model discloses can replace the step of the interim preparation connecting pipe in the work, reduce the risk of bringing by the maintenance duration extension.
2. The utility model discloses but high-speed joint and isolation transformer body and on-load tap changer grease chamber cavity judge the leakage point fast through the inspection vacuum, improve evacuation efficiency.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a connection pipe for vacuumizing a transformer body and an on-load tap changer in the embodiment of the invention;
the reference numbers in the figures denote:
the device comprises a first flange (1), a first vacuum gauge (2), a valve (3), a second vacuum gauge 2(4), a second flange (5) and a hose (6).
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 shows the connection pipe schematic diagram of the embodiment of the present invention for vacuum pumping of the transformer body and the on-load tap changer, and the connection pipe for vacuum pumping of the transformer body and the on-load tap changer includes a first flange (1), a first vacuum gauge (2), a valve (3), a second vacuum gauge 2(4), a second flange (5), and a hose (6). The two ends of the connecting pipe are provided with mounting flanges and vacuum gauges, so that the vacuum degrees of the transformer body and the on-load tap changer can be respectively detected; the high-strength hose is used for connecting the transformer body and the on-load tap changer, and the valve is arranged in the middle of the hose, so that the connecting pipe can be closed at any time.
In the above technical solution, a more specific solution is: the transformer body is connected with an on-load tap changer vacuumizing connecting pipe, one end of a first flange is connected with a first vacuum gauge, the first vacuum gauge is connected with a valve (3) through a hose (6), the other end of the valve (3) is connected with a second vacuum gauge through the hose (6), and the second vacuum gauge is connected with a second flange.
Specifically, the connecting pipe for vacuumizing the transformer body and the on-load tap changer comprises a first flange (1), a first vacuum gauge (2), a valve (3), a second vacuum gauge (4), a second flange (5) and a hose (6). The two ends of the connecting pipe are provided with mounting flanges and vacuum gauges, so that the vacuum degrees of the transformer body and the on-load tap changer can be respectively detected; the high-strength hose is used for connecting the transformer body and the on-load tap changer, and the valve is arranged in the middle of the hose, so that the connecting pipe can be closed at any time.
Since the technical scheme is used, compared with the prior art, the utility model following beneficial effect has:
1. the utility model discloses can remind the staff to leave the hazardous environment through the alarm, take the treatment to avoid the injury of dangerous gas to the human body that exceeds standard.
2. The utility model discloses a multiple alarm mode, safe and reliable.
3. The utility model discloses it is small, portable, wear positions such as chest, waist, trouser legs, the peripheral harm gas of direct detection human body, protection personal safety.
In addition, the transformer body, the connecting pipe for vacuumizing the on-load tap changer and the transformer provided by the embodiment of the invention are described in detail, and a specific embodiment is adopted herein to explain the principle and the implementation mode of the invention, and the description of the above embodiment is only used for helping to understand the method and the core idea of the invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (3)
1. The utility model provides a connecting pipe of transformer body and on-load tap-changer evacuation which characterized in that: the connecting pipe for vacuumizing the transformer body and the on-load tap changer is used for connecting the transformer body and the tap changer, and comprises a first flange, a second flange, a first vacuum gauge, a second vacuum gauge, a valve and a hose;
the first flange is connected with a first vacuum gauge through a galvanized pipe;
the first vacuum gauge is connected with a valve through a hose;
the valve is connected with a second vacuum gauge through a hose;
and the second vacuum gauge is connected with the second flange through a galvanized pipe.
2. The connecting pipe for vacuum pumping of the transformer body and the on-load tap changer according to claim 1, characterized in that: the first vacuum gauge is a ZDJ-1 type resistance vacuum gauge or a digital display resistance vacuum gauge.
3. The connecting pipe for vacuum pumping of the transformer body and the on-load tap changer according to claim 1, characterized in that: the second vacuum gauge is a ZDJ-1 type resistance vacuum gauge or a digital display resistance vacuum gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004650.4U CN211150304U (en) | 2019-11-20 | 2019-11-20 | Connecting pipe for vacuum pumping of transformer body and on-load voltage regulating switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004650.4U CN211150304U (en) | 2019-11-20 | 2019-11-20 | Connecting pipe for vacuum pumping of transformer body and on-load voltage regulating switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211150304U true CN211150304U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922004650.4U Active CN211150304U (en) | 2019-11-20 | 2019-11-20 | Connecting pipe for vacuum pumping of transformer body and on-load voltage regulating switch |
Country Status (1)
| Country | Link |
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| CN (1) | CN211150304U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628116A (en) * | 2020-12-11 | 2021-04-09 | 广西电网有限责任公司桂林供电局 | Sealing test and vacuumizing device applied to transformer |
-
2019
- 2019-11-20 CN CN201922004650.4U patent/CN211150304U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628116A (en) * | 2020-12-11 | 2021-04-09 | 广西电网有限责任公司桂林供电局 | Sealing test and vacuumizing device applied to transformer |
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