CN114136712A - Vacuum on-load circulating device of transformer - Google Patents
Vacuum on-load circulating device of transformer Download PDFInfo
- Publication number
- CN114136712A CN114136712A CN202111269888.5A CN202111269888A CN114136712A CN 114136712 A CN114136712 A CN 114136712A CN 202111269888 A CN202111269888 A CN 202111269888A CN 114136712 A CN114136712 A CN 114136712A
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- oil
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- valve mechanism
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- 230000001502 supplementing effect Effects 0.000 claims abstract description 30
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000005070 sampling Methods 0.000 abstract description 6
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 9
- 239000013589 supplement Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/26—Oils; viscous liquids; paints; inks
- G01N33/28—Oils, i.e. hydrocarbon liquids
-
- 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
- G01N2001/1418—Depression, aspiration
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
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- Immunology (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a vacuum on-load circulating device of a transformer, which comprises a box body, wherein a main electromagnetic ball valve is arranged in the box body, and an oil taking electromagnetic valve mechanism and an oil supplementing electromagnetic valve mechanism are respectively arranged at two ends of the main electromagnetic ball valve; the oil pump connected in parallel with the oil supplementing electromagnetic ball valve mechanism is installed at the side end of the oil supplementing electromagnetic ball valve mechanism, and the oil taking electromagnetic ball valve mechanism and the oil pump are provided with oil paths penetrating through the box body and extending outwards. The on-load switch insulating oil circulating device has the advantages that the on-load switch insulating oil circulating device is realized, and meanwhile, the device is provided with the convenient oil taking valve which is convenient for a tester to sample, so that no dead oil exists in a transformer on-load switch pipeline, internal test data are truly reflected, and the risk of electrified oil adding of a maintainer is completely avoided; the direction of the insulating oil can be controlled, so that the sampling of the tester is simpler and more convenient.
Description
Technical Field
The invention belongs to the technical field of power equipment, and relates to a vacuum on-load circulating device of a transformer.
Background
The on-load switch is used as an important component of the transformer, the quality of the insulating oil in the on-load switch directly influences the running condition of the on-load switch, the insulating oil in the on-load switch of the transformer is sampled regularly, and whether the property of the oil product changes or not is analyzed, so that the method is an important means for mastering the running condition of the on-load switch.
The traditional sampling method is as follows: at first will be used for the device of storage sample to adjust the oil drain brake apron on the oil extraction pipe well, then dismantle with the help of instruments such as spanners and transfer all bolts on the oil drain valve apron, open the oil drain valve apron and take a sample, install the oil drain valve apron after waiting to accomplish the sample again, the consuming time and the power of process, generally need two people's cooperation operation, only lean on alone hardly to accomplish alone, and cause insulating oil's the extravagant that leaks very easily when dismouting oil drain valve apron, lead to having the interior oil level of load switch to reduce, the operation safety that influences the transformer and has the load switch. In addition, when a plurality of transformers are subjected to on-load switch insulating oil sampling, a plurality of taken samples are not provided with a fixed storage device, the samples are often contained in a bottle and then placed in a tool box carried by workers, necessary protective measures are lacked, and meanwhile, due to the sampling mode, dead oil exists in an on-load switch pipeline, internal test data are influenced, and the risk coefficient of maintenance personnel is increased.
Disclosure of Invention
In order to achieve the purpose, the invention adopts the following technical scheme:
a vacuum on-load circulating device for a transformer comprises a box body, wherein a main electromagnetic ball valve is arranged in the box body, and an oil taking electromagnetic valve mechanism and an oil supplementing electromagnetic valve mechanism are respectively arranged at two ends of the main electromagnetic ball valve; the oil pump connected in parallel with the oil supplementing electromagnetic ball valve mechanism is installed at the side end of the oil supplementing electromagnetic ball valve mechanism, and the oil taking electromagnetic ball valve mechanism and the oil pump are provided with oil paths penetrating through the box body and extending outwards.
Preferably, the oil taking electromagnetic valve mechanism comprises a three-way joint, an oil taking electromagnetic ball valve and a pipeline; the first end of the three-way joint is communicated with the oil circuit, the second end of the three-way joint is communicated with the main electromagnetic ball valve, the third end of the three-way joint is communicated with one end of the oil taking electromagnetic ball valve, and the other end of the oil taking electromagnetic ball valve is communicated with the pipeline.
Preferably, the oil-supplementing electromagnetic valve mechanism comprises a three-way joint, an oil-supplementing electromagnetic ball valve and a pipeline; the first end of the three-way joint is communicated with the oil circuit, the second end of the three-way joint is communicated with the main electromagnetic ball valve, the third end of the three-way joint is communicated with one end of the oil supplementing electromagnetic ball valve, and the other end of the oil supplementing electromagnetic ball valve is communicated with the pipeline.
Preferably, an oil taking port and an oil supplementing port are arranged at the side end of the box body.
Preferably, the outer sides of the lower ends of the oil taking port and the oil supplementing port are provided with baffles.
Preferably, the outer end of the oil path is provided with a manual ball valve.
The invention has the beneficial effects that: 1. the device realizes an on-load switch insulating oil circulating device, and is provided with a convenient oil taking valve which is convenient for a tester to sample, so that no dead oil exists in a transformer on-load switch pipeline, internal test data are truly reflected, and the risk of electrified oil adding of a maintainer is completely avoided; 2. the direction of the insulating oil can be controlled, so that the sampling of the tester is simpler and more convenient.
Drawings
FIG. 1 is a schematic top view of the present invention.
Fig. 2 is a schematic view of the overall structure of the present invention.
Fig. 3 is a schematic front view of the present invention.
The reference numerals are explained below: 1-manual control ball valve; 2-oil taking electromagnetic valve mechanism; 3-oil supplement electromagnetic valve mechanism; 4-an oil pump; 5-pipeline; 6-a baffle plate; 9-oil path; 10-a three-way joint; 11-oil-taking electromagnetic ball valve; 12-oil-supplementing electromagnetic ball valve; 13-a main electromagnetic ball valve; 14-a box body; 15-oil taking port; and 16-oil supplementing opening.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it should be understood that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments, and it should be understood that the present application is not limited to the example embodiments disclosed and described herein. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The invention provides figures 1-3, and in the embodiment of the invention, a vacuum on-load circulating device of a transformer comprises a box body 14, wherein a main electromagnetic ball valve 13 is arranged in the box body 14, and an oil taking electromagnetic valve mechanism 2 and an oil supplementing electromagnetic valve mechanism 3 are respectively arranged at two ends of the main electromagnetic ball valve 13; an oil pump 4 connected in parallel with the oil supplementing electromagnetic ball valve mechanism 3 is installed at the side end of the oil supplementing electromagnetic ball valve mechanism 3, and an oil path 9 penetrating through a box body 14 and extending outwards is arranged at the side ends of the oil taking electromagnetic ball valve mechanism 2 and the oil pump 4. Two sides in the main electromagnetic ball valve 13 are two electromagnets, wherein the valve body in the main electromagnetic ball valve 13 is controlled to move by electrifying the magnet coil on one side, different oil discharge holes in the main electromagnetic ball valve 13 are controlled to be opened or closed by controlling the movement of the valve body, insulating oil enters the pump inner loop, the insulating oil is conveyed by the oil pump 4, the transformer oil is absorbed and separated, the oil outlet of the taking electromagnetic valve mechanism 2 is connected with an oil cup to obtain oil, the oil supplementing electromagnetic valve mechanism 3 can be connected with an oil drum to supplement oil for the on-load switch, the device improves the oil filling efficiency by the oil pump 4, the direction of the insulating oil is controlled by the electromagnetic ball valve, the sampling of testers is facilitated, no dead oil exists in the on-load switch pipeline of the transformer, the internal test data are truly reflected, and the risk of the on-load oil filling of the maintainers is completely avoided.
The oil taking electromagnetic valve mechanism 2 comprises a three-way joint 10, an oil taking electromagnetic ball valve 11 and a pipeline 5; the first end of the three-way joint 10 is communicated with the oil path 9, the second end of the three-way joint 10 is communicated with the main electromagnetic ball valve 13, the third end of the three-way joint 10 is communicated with one end of the oil taking electromagnetic ball valve 11, and the other end of the oil taking electromagnetic ball valve 11 is communicated with the pipeline 5. The oil discharge hole is opened or closed by controlling the movement of a valve body in the oil taking electromagnetic ball valve 11, so that the insulating oil of the load switch is circulated in the device or taken out of the device.
The oil-supplementing electromagnetic valve mechanism 3 comprises a three-way joint 10, an oil-supplementing electromagnetic ball valve 12 and a pipeline 5; the first end of the three-way joint 10 is communicated with the oil path 9, the second end of the three-way joint 10 is communicated with the main electromagnetic ball valve 13, the third end of the three-way joint 10 is communicated with one end of the oil-supplementing electromagnetic ball valve 12, and the other end of the oil-supplementing electromagnetic ball valve 12 is communicated with the pipeline 5. The oil discharge hole is opened or closed by controlling the movement of the valve body in the oil supplementing electromagnetic ball valve 12, so that the insulating oil in the oil barrel can be supplemented to the on-load switch through the oil supplementing electromagnetic ball valve 12.
An oil taking port 15 and an oil supplementing port 16 are arranged at the side end of the box body 14. The oil taking port 15 is used for communicating the oil taking electromagnetic valve mechanism 2 outwards, and the oil supplementing port 16 is used for communicating the oil supplementing electromagnetic valve mechanism 3 outwards.
The baffle 6 is arranged at the outer side of the lower ends of the oil taking port 15 and the oil supplementing port 16. If the device is not in operation, the flap is closed to prevent contaminants such as dust from entering the conduit 5.
The outer end of the oil path 9 is provided with a manual control ball valve 1. When the device works, the manual control valve ball 1 is controlled to be opened, so that the insulating oil enters the device, the device is disconnected from the on-load switch, and the manual control valve ball 1 is controlled to be closed, so that the insulating oil circulates in the device.
During work, the device is arranged beside an on-load switch for taking oil, an oil path 9 is connected with the on-load switch, an oil outlet part of the oil taking electromagnetic valve mechanism 2 is connected with an oil cup through an oil pipe, a power supply is started, the oil pump 4 sucks out oil in the on-load switch, the connection between the device and the on-load switch is disconnected, and then the device is started, so that dead oil in the device can be sucked out; the oil supplementing position of an oil supplementing electromagnetic valve mechanism 3 of the device is connected with an oil drum, and oil can be supplemented for the on-load switch.
It is further noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a transformer vacuum has a circulating device that carries, includes the box, its characterized in that: a main electromagnetic ball valve is arranged in the box body, and an oil taking electromagnetic valve mechanism and an oil supplementing electromagnetic valve mechanism are respectively arranged at two ends of the main electromagnetic ball valve;
the oil pump connected in parallel with the oil supplementing electromagnetic ball valve mechanism is installed at the side end of the oil supplementing electromagnetic ball valve mechanism, and the oil taking electromagnetic ball valve mechanism and the oil pump are provided with oil paths penetrating through the box body and extending outwards.
2. The vacuum on-load circulating device of transformer according to claim 1, characterized in that: the oil taking electromagnetic valve mechanism comprises a three-way joint, an oil taking electromagnetic ball valve and a pipeline;
the first end of the three-way joint is communicated with the oil circuit, the second end of the three-way joint is communicated with the main electromagnetic ball valve, the third end of the three-way joint is communicated with one end of the oil taking electromagnetic ball valve, and the other end of the oil taking electromagnetic ball valve is communicated with the pipeline.
3. The vacuum on-load circulating device of transformer according to claim 1, characterized in that: the oil-supplementing electromagnetic valve mechanism comprises a three-way joint, an oil-supplementing electromagnetic ball valve and a pipeline;
the first end of the three-way joint is communicated with the oil circuit, the second end of the three-way joint is communicated with the main electromagnetic ball valve, the third end of the three-way joint is communicated with one end of the oil supplementing electromagnetic ball valve, and the other end of the oil supplementing electromagnetic ball valve is communicated with the pipeline.
4. The vacuum on-load circulating device of transformer according to claim 1, characterized in that: the side end of the box body is provided with an oil taking port and an oil supplementing port.
5. The vacuum on-load circulating device of claim 4, wherein: the outer sides of the lower ends of the oil taking port and the oil supplementing port are provided with baffle plates.
6. The vacuum on-load circulating device of transformer according to claim 1, characterized in that: the outer end of the oil circuit is provided with a manual control ball valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111269888.5A CN114136712A (en) | 2021-10-29 | 2021-10-29 | Vacuum on-load circulating device of transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111269888.5A CN114136712A (en) | 2021-10-29 | 2021-10-29 | Vacuum on-load circulating device of transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114136712A true CN114136712A (en) | 2022-03-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111269888.5A Pending CN114136712A (en) | 2021-10-29 | 2021-10-29 | Vacuum on-load circulating device of transformer |
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| Country | Link |
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| CN (1) | CN114136712A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201440364U (en) * | 2009-07-21 | 2010-04-21 | 杭州永驭科技有限公司 | Online oil filter with on-load tap switch |
| CN201853562U (en) * | 2010-10-19 | 2011-06-01 | 自贡真空过滤设备有限责任公司 | Online filter device of main transformer on-load tap changer |
| CN204008219U (en) * | 2014-08-25 | 2014-12-10 | 国家电网公司 | The on-load tap changer equipment that draws oil sample |
| CN104766700A (en) * | 2015-04-16 | 2015-07-08 | 广东电网有限责任公司电力科学研究院 | Oil processing device and method |
| CN110459384A (en) * | 2019-09-11 | 2019-11-15 | 国网福建省电力有限公司检修分公司 | Capacitance type potential transformer electromagnetic unit takes oil and recharging oil device and working method |
| CN112362817A (en) * | 2020-11-19 | 2021-02-12 | 广西电网有限责任公司柳州供电局 | Gas collection detection device and detection method for transformer gas |
| FR3107210A1 (en) * | 2020-02-18 | 2021-08-20 | Psa Automobiles Sa | HEAT CONDITIONING DEVICE FOR THE POWERTRAIN AND INTERIOR OF ELECTRIC OR HYBRID VEHICLES AND PROCESS FOR IMPLEMENTING THE SAID DEVICE |
-
2021
- 2021-10-29 CN CN202111269888.5A patent/CN114136712A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201440364U (en) * | 2009-07-21 | 2010-04-21 | 杭州永驭科技有限公司 | Online oil filter with on-load tap switch |
| CN201853562U (en) * | 2010-10-19 | 2011-06-01 | 自贡真空过滤设备有限责任公司 | Online filter device of main transformer on-load tap changer |
| CN204008219U (en) * | 2014-08-25 | 2014-12-10 | 国家电网公司 | The on-load tap changer equipment that draws oil sample |
| CN104766700A (en) * | 2015-04-16 | 2015-07-08 | 广东电网有限责任公司电力科学研究院 | Oil processing device and method |
| CN110459384A (en) * | 2019-09-11 | 2019-11-15 | 国网福建省电力有限公司检修分公司 | Capacitance type potential transformer electromagnetic unit takes oil and recharging oil device and working method |
| FR3107210A1 (en) * | 2020-02-18 | 2021-08-20 | Psa Automobiles Sa | HEAT CONDITIONING DEVICE FOR THE POWERTRAIN AND INTERIOR OF ELECTRIC OR HYBRID VEHICLES AND PROCESS FOR IMPLEMENTING THE SAID DEVICE |
| CN112362817A (en) * | 2020-11-19 | 2021-02-12 | 广西电网有限责任公司柳州供电局 | Gas collection detection device and detection method for transformer gas |
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