CN114061869A - Device and method for detecting damage position of oil conservator - Google Patents
Device and method for detecting damage position of oil conservator Download PDFInfo
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- CN114061869A CN114061869A CN202111356997.0A CN202111356997A CN114061869A CN 114061869 A CN114061869 A CN 114061869A CN 202111356997 A CN202111356997 A CN 202111356997A CN 114061869 A CN114061869 A CN 114061869A
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 239000012530 fluid Substances 0.000 claims abstract description 88
- 238000001514 detection method Methods 0.000 claims abstract description 78
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 16
- 229910018503 SF6 Inorganic materials 0.000 claims description 12
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 claims description 12
- 229960000909 sulfur hexafluoride Drugs 0.000 claims description 12
- 238000007789 sealing Methods 0.000 claims description 11
- 238000012795 verification Methods 0.000 claims description 7
- 239000003550 marker Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 10
- 239000007789 gas Substances 0.000 description 37
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 12
- 239000002775 capsule Substances 0.000 description 11
- 229910052757 nitrogen Inorganic materials 0.000 description 6
- 229920001971 elastomer Polymers 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/32—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators
- G01M3/3236—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers
- G01M3/3272—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for containers, e.g. radiators by monitoring the interior space of the containers for verifying the internal pressure of closed containers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention belongs to the technical field of leakage testing of transformers, and discloses a device and a method for detecting a damaged position of an oil conservator. The device for detecting the damaged position of the oil conservator comprises a fluid injection module, a pressure detection module, a judgment module and a leakage detection module. The fluid injection module comprises a driving part and a fluid pipe, the fluid pipe can be communicated with the oil conservator to be detected, and the driving part can drive fluid to be injected into the oil conservator to be detected through the fluid pipe. The pressure detection module is used for detecting the fluid pressure in the oil conservator to be detected and outputting the pressure value of the fluid pressure. The judgment module receives the pressure value and judges whether the pressure value is greater than the leakage detection pressure value. The leakage detection module receives the instruction sent by the judgment module, and is used for detecting whether the outer wall of the conservator to be detected has fluid leakage or not so as to determine the damaged position of the conservator to be detected. The device and the method for detecting the damaged position of the conservator can detect the air tightness of the conservator of the transformer without a blind area and obtain an accurate damaged position.
Description
Technical Field
The invention relates to the technical field of leakage testing of transformers, in particular to a device and a method for detecting a damaged position of an oil conservator.
Background
The main transformer with the capsule type oil conservator is one of the most common main transformer types, and the whole main transformer is subjected to leakage testing by adopting a capsule nitrogen filling pressurization leakage testing method in the installation and the acceptance of the main transformer at present.
Although the traditional nitrogen filling method can effectively check most dew points on the oil outlet pillow, blind areas exist for checking the dew points on an air release plug, a manhole cover plate, a capsule fixing flange surface and a bypass valve. Taking a capsule fixing flange surface as an example, when leakage test is carried out by a nitrogen filling method, the capsule expands and extrudes a sealing rubber ring at the capsule fixing flange surface, so that the situation that the original rubber ring with poor sealing property moves upwards to cause good temporary sealing property is generated, leakage points at the position cannot be detected in the nitrogen filling leakage test, the sealing rubber ring moves back to the original poor sealing position after the leakage test is finished, the situation that the leakage points which are not detected still exist in the qualified nitrogen filling leakage test of an oil conservator is generated at the moment, and the transformer oil in the oil conservator directly contacts with the outside air through the dead zones of the leakage points when the main transformer is put into operation subsequently, so that the gas content of the main transformer oil exceeds the standard, the insulation level of the transformer oil is reduced, and risk potential is brought to the stable operation of the transformer.
Disclosure of Invention
An object of the present invention is to provide a conservator damage position detecting apparatus, which can detect the airtightness of an conservator of a capsule type transformer without a blind area and obtain an accurate damage position.
In order to achieve the purpose, the invention adopts the following technical scheme:
a device for detecting a position of a damaged conservator, comprising:
the fluid injection module comprises a driving piece and a fluid pipe, the fluid pipe is configured to be capable of being communicated with the to-be-detected oil conservator, and the driving piece can drive fluid to be injected into the to-be-detected oil conservator through the fluid pipe;
the pressure detection module is used for detecting the fluid pressure in the oil conservator to be detected and outputting the pressure value of the fluid pressure;
the judgment module can receive the pressure value and judge whether the pressure value is greater than the leakage detection pressure value;
and the leakage detection module can receive the instruction sent by the judgment module, and is used for detecting whether the outer wall of the oil conservator to be detected has fluid leakage or not so as to determine the damaged position of the oil conservator to be detected.
Optionally, the fluid is oil, and the judging module can also detect whether the liquid level in the conservator to be detected reaches a first preset value.
Optionally, the first preset value is a liquid level height at which the conservator to be detected is filled.
Optionally, the fluid is a gas and the leak detection pressure value is not less than 0.01 MPa.
Optionally, the gas includes a marker gas, the leakage detection module is a gas detector, and the gas detector is used for identifying the marker gas leaked from the outer wall of the conservator to be detected.
Optionally, the marker gas is sulfur hexafluoride gas, and the sulfur hexafluoride gas accounts for not less than 3% of the gas.
Another object of the present invention is to provide a method for detecting a damaged position of a conservator, which can detect the airtightness of the conservator of a transformer without a blind area and obtain an accurate damaged position.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for detecting a damaged position of an oil conservator is realized based on any one device for detecting the damaged position of the oil conservator, and comprises the following steps:
s1, blocking a communication pipeline between the conservator to be detected and the oil tank;
s2, injecting fluid into the to-be-detected oil conservator through the fluid pipe by the driving piece;
s3, detecting the fluid pressure in the oil conservator to be detected by the pressure detection module, and outputting the pressure value of the fluid pressure;
s4, the judgment module compares the pressure value with the leakage detection pressure value;
s5, when the pressure value reaches the leakage detection pressure value, stopping injecting the fluid into the to-be-detected conservator by the driving piece, and sending an instruction to the leakage detection module by the judgment module;
s6, detecting whether the outer wall of the conservator to be detected has fluid leakage by the leakage detection module, wherein when the leakage detection module detects that the outer wall of the conservator to be detected has fluid leakage, the leakage position of the fluid is the damaged position of the conservator to be detected.
Optionally, after step S6, the method further includes:
and S7, adding a temporary sealing member at the damaged position.
Optionally, after step S6, the method further includes:
s8, waiting for verification time when the leakage detection module does not detect that the outer wall of the conservator to be detected has fluid leakage;
and S9, if the pressure value changes, indicating that the conservator to be detected has a damaged position, and returning to the step S2, otherwise indicating that the conservator to be detected is not damaged.
Optionally, the verification time is not less than 10 min.
Has the advantages that:
according to the device for detecting the damaged position of the oil conservator, the driving piece injects fluid into the oil conservator to be detected through the fluid pipe, the pressure detection module detects the fluid pressure in the oil conservator to be detected, when the judgment module detects that the fluid pressure in the oil conservator to be detected is larger than the leakage detection pressure value, an instruction is sent to the leakage detection module, and the leakage detection module can judge the damaged position of the oil conservator to be detected by detecting the fluid leakage of the outer wall of the oil conservator to be detected. The detection device for the damaged position of the conservator can detect the air tightness of the capsule type conservator of the transformer without a blind area and obtain an accurate damaged position.
The invention provides a method for detecting a damaged position of an oil conservator, which is characterized in that under the action of pressure applied to each part of the inner wall of the oil conservator to be detected by a fluid, the fluid can leak from the damaged position of the oil conservator to be detected, and the damaged position of the oil conservator to be detected can be judged by detecting whether the fluid leaks from the outer wall of the oil conservator to be detected or not. The detection method for the damaged position of the conservator can detect the air tightness of the capsule type conservator of the transformer without a blind area and obtain an accurate damaged position.
Drawings
Fig. 1 is a schematic structural diagram of a device for detecting a damaged position of an oil conservator and an oil conservator to be detected according to an embodiment of the present invention.
In the figure:
1. a fluid injection module; 11. a drive member; 12. a fluid pipe; 2. a leak detection module; 3. an oil conservator to be detected; 31. a capsule; 32. a bypass valve; 33. installing a flange; 34. an access panel; 35. a gas relay; 4. and an oil tank.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; 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 in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
Example one
The embodiment provides a damaged position detection device of conservator, can carry out the gas tightness to the conservator of transformer with the non-blind area and detect to obtain accurate damaged position. Specifically, as shown in fig. 1, it includes a fluid injection module 1, a pressure detection module, a judgment module, and a leakage detection module 2.
The fluid injection module 1 comprises a driver 11 and a fluid pipe 12, the fluid pipe 12 is configured to be capable of communicating with the conservator 3 to be detected, and the driver 11 is capable of driving the fluid to be injected into the conservator 3 to be detected through the fluid pipe 12. The pressure detection module is used for detecting the fluid pressure in the oil conservator 3 to be detected and outputting the pressure value of the fluid pressure. The judgment module can receive the pressure value and judge whether the pressure value is greater than the leakage detection pressure value. The leakage detection module 2 can receive the instruction sent by the judgment module, and the leakage detection module 2 is used for detecting whether the outer wall of the oil conservator 3 to be detected has fluid leakage or not so as to determine the damaged position of the oil conservator 3 to be detected. That is to say, when detecting that the pressure value of the fluid in the conservator 3 to be detected is greater than the leak detection pressure value, the judging module sends an instruction to the leak detection module 2, the leak detection module 2 starts to detect the outer wall of the conservator 3 to be detected, and the position where the fluid leakage occurs on the outer wall of the conservator 3 to be detected is the damaged position of the conservator 3 to be detected.
In this embodiment, the fluid is oil, and the determining module can also detect whether the liquid level in the conservator 3 to be detected reaches a first preset value. In the process of injecting oil into the conservator 3 to be detected, when the oil leakage phenomenon visible to the naked eye rapidly appears on the outer wall of the conservator 3 to be detected, the liquid level height in the conservator 3 to be detected can be referred to, so that the leakage area can be conveniently and roughly locked, even the help of the leakage detection module 2 is not needed, the position with serious damage is accurately positioned, the time is saved, and the detection efficiency is improved. Optionally, the first preset value is a height of a liquid level at which the conservator 3 to be detected is filled. The oil liquid in the oil conservator 3 to be detected is in a full state, and the oil liquid in the full state can apply hydraulic pressure to the peripheral wall of the oil conservator 3 to be detected in an all-around mode, so that the damage position of the oil conservator 3 to be detected can be obtained through detecting the leakage of the oil liquid without a blind area.
The damaged position detection device of conservator that this embodiment provided, driving piece 11 are the hydraulic pump, and pressure detection module is the diaphragm type manometer, and the judgment module includes singlechip and liquid level detection appearance, and leak detection module 2 is the vision camera. As shown in fig. 1, first, before filling the conservator 3 to be tested with oil, the buchholz relay 35 between the conservator 3 to be tested and the oil tank 4 is closed to cut off the passage between the conservator 3 to be tested and the oil tank 4. Then, the fluid pipe 12 is communicated with the bypass valve 32, the hydraulic pump starts to inject oil into the oil conservator 3 to be detected, and before the oil is not full, the air release plug at the upper end of the oil conservator 3 to be detected can be opened, so that the phenomenon that the detection of the liquid level detector and the judgment of the single chip microcomputer are influenced due to the false oil level in the fluid pipe 12 is avoided. When oil leaks from the air relief plug, the air relief plug is closed, and the oil leaking outside the oil conservator 3 to be detected is cleaned, so that the influence on the leakage identification of the vision camera is avoided. Then, the hydraulic pump continues to fill oil into the conservator 3 to be detected until the liquid level in the fluid pipe 12 reaches a first preset value. Finally, the vision camera starts to scan the outer wall of the conservator 3 to be detected so as to detect the damaged position of the conservator 3 to be detected. Including, for example: and the detection is complete and has no blind area at narrow positions such as the hole panel 34, the gas relay 35 and the mounting flange 33 for the capsule 31.
The embodiment also provides a method for detecting the damaged position of the conservator, which is realized based on the device for detecting the damaged position of the conservator, and can detect the air tightness of the conservator of the transformer without a blind area and obtain an accurate damaged position.
Specifically, the method for detecting the damaged position of the conservator comprises the following steps: and S1, blocking a communication pipeline between the conservator 3 to be detected and the oil tank 4, enabling the conservator 3 to be detected to be an independent container, and preventing the fluid injected into the conservator 3 to be detected from flowing into the oil tank 4. S2, the driving piece 11 injects fluid into the conservator 3 to be detected through the fluid pipe 12 so as to fill the conservator 3 to be detected with the fluid, and therefore omnibearing detection of the conservator 3 to be detected is achieved. And S3, the pressure detection module detects the fluid pressure in the oil conservator 3 to be detected and outputs the pressure value of the fluid pressure. S4, the judgment module compares the pressure value with the leakage detection pressure value. And S5, when the pressure value reaches the leakage detection pressure value, stopping injecting the fluid into the oil conservator 3 to be detected by the driving piece 11, and sending an instruction to the leakage detection module 2 by the judgment module. When waiting to detect that the conservator 3 only has fine damaged position, only exert sufficient fluid pressure to it, can detect the leakage position, consequently, before leak detection module 2 works, need ensure that the pressure value of waiting to detect the fluid in the conservator 3 reaches the leak detection pressure value. Through the monitoring of the pressure detection module and the judgment module on the pressure, the leakage detection module 2 can more efficiently detect the damaged position of the oil conservator 3 to be detected. S6, the leakage detection module 2 detects whether the outer wall of the conservator 3 to be detected has fluid leakage, and when the leakage detection module 2 detects that the outer wall of the conservator 3 to be detected has fluid leakage, the leakage position of the fluid is the damaged position of the conservator to be detected. The detection has no blind area, and the leakage position is convenient to judge.
Optionally, after step S6, the method further includes: and S7, adding a temporary sealing member at the damaged position. The temporary sealing element is additionally arranged, so that the damaged position of the conservator 3 to be detected can be subjected to positioning marking, and meanwhile, the fluid in the conservator 3 to be detected can be prevented from continuously leaking, and the detection of other positions of the conservator 3 to be detected is influenced. In this embodiment, the temporary sealing element is a sealing patch made of silicone rubber, which has good wear resistance and compressive strength and can withstand a certain fluid pressure without being damaged.
Optionally, after step S6, the method further includes: and S8, waiting for verification time when the leakage detection module 2 does not detect that the fluid leakage exists on the outer wall of the conservator 3 to be detected. When reaching the leak testing pressure value in waiting to detect the conservator 3, pressurize and wait for a period of time, can treat each wall of detecting the conservator 3 fully and exert pressure to the damaged position of waiting to detect the conservator 3 is detected comprehensively to leak testing module 2. And S9, if the pressure value changes, indicating that the conservator 3 to be detected has a damaged position, and returning to the step S2, otherwise indicating that the conservator 3 to be detected is not damaged. That is, after waiting for the verification time, if the pressure value is not changed, it indicates that the conservator 3 to be detected is not damaged. If the pressure value changes, the damaged position of the oil conservator 3 to be detected is indicated, and at the moment, the damaged position of the oil conservator 3 to be detected can be determined through the leakage position of oil. Meanwhile, for further detecting other damaged positions of the conservator 3 to be detected, the found damaged positions need to be sealed, and the step S2 is returned, so that oil liquid is continuously supplemented into the conservator 3 to be detected, and the pressure value of the oil liquid in the conservator 3 to be detected reaches the leakage detection pressure value.
In this embodiment, the verification time is not less than 10 min. Specifically, in order to accurately and omnidirectionally detect the leakage position of the conservator 3 to be detected, the pressure value of the oil liquid needs to wait for 1h after reaching the leakage detection pressure value.
Example two
The present embodiment provides a device for detecting a damaged position of a conservator, which is substantially the same as the device for detecting a damaged position of a conservator in the first embodiment, and mainly differs in that in the present embodiment, the fluid is a gas, and the leak detection pressure value is not lower than 0.01 MPa. The gas is injected into the conservator to be detected, and the pressure of the gas in the conservator to be detected is not less than the atmospheric pressure level, so that the damaged position of the conservator to be detected can be judged through the leakage of the gas from the outer wall of the conservator to be detected. The gas detection is adopted to detect the leakage of the oil conservator to be detected, so that the oil pollution of the oil conservator to be detected is avoided, the cleaning work of the oil conservator to be detected in the detection process is avoided, and the work burden of constructors is reduced.
Optionally, the gas includes a marker gas, and the leakage detection module 2 is a gas detector for identifying the marker gas leaked from the outer wall of the conservator to be detected. The gas detector judges whether the conservator to be detected leaks or not by detecting whether the gas around the outer wall of the conservator to be detected contains identification gas or not, and determines the damaged position of the conservator to be detected, so that the detection is accurate and the error is low.
Furthermore, the marking gas is sulfur hexafluoride gas, and the sulfur hexafluoride gas accounts for not less than 3% of the gas. The sulfur hexafluoride has good electrical insulation performance and excellent arc extinguishing performance, the sulfur hexafluoride gas leaked from the oil conservator to be detected does not influence the normal operation of peripheral high-voltage equipment, and the safety is high. The sulfur hexafluoride gas accounts for no less than 3% of the gas, the gas detector can accurately identify the leaked sulfur hexafluoride gas, the detection is accurate, and no leakage exists. In this embodiment, the gas is a mixture of nitrogen and sulfur hexafluoride, the gas detector is a sulfur hexafluoride infrared detector, and the infrared detector has a mature technology, high reliability, high precision, less interference from the environment, and long service life.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, adaptations and substitutions will occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a damaged position detection device of conservator which characterized in that includes:
the fluid injection module (1) comprises a driving piece (11) and a fluid pipe (12), wherein the fluid pipe (12) is configured to be capable of being communicated with the to-be-detected oil conservator (3), and the driving piece (11) is capable of driving fluid to be injected into the to-be-detected oil conservator (3) through the fluid pipe (12);
the pressure detection module is used for detecting the fluid pressure in the oil conservator (3) to be detected and outputting the pressure value of the fluid pressure;
the judgment module can receive the pressure value and judge whether the pressure value is greater than a leakage detection pressure value or not;
and the leakage detection module (2) can receive the instruction sent by the judgment module, and the leakage detection module (2) is used for detecting whether the outer wall of the conservator (3) to be detected has fluid leakage or not so as to determine the damaged position of the conservator (3) to be detected.
2. The device for detecting the damaged position of the conservator according to claim 1, wherein the fluid is oil, and the determining module is further capable of detecting whether the liquid level in the conservator (3) to be detected reaches a first preset value.
3. The conservator damage position detection device according to claim 2, wherein the first preset value is a liquid level at which the conservator (3) to be detected is filled.
4. The apparatus according to claim 1, wherein the fluid is a gas, and the leak detection pressure value is not lower than 0.01 MPa.
5. The conservator breakage position detecting device according to claim 4, wherein the gas comprises a marking gas, and the leakage detecting module (2) is a gas detector for identifying the marking gas leaked from the outer wall of the conservator (3) to be detected.
6. The apparatus according to claim 5, wherein the marker gas is sulfur hexafluoride gas, and the sulfur hexafluoride gas accounts for not less than 3% of the gas.
7. A method for detecting a damaged position of a conservator, the method being implemented by the apparatus for detecting a damaged position of a conservator according to any one of claims 1 to 6, comprising:
s1, blocking a communication pipeline between the conservator (3) to be detected and the oil tank (4);
s2, injecting fluid into the to-be-detected oil conservator (3) through a fluid pipe (12) by a driving piece (11);
s3, detecting the fluid pressure in the oil conservator (3) to be detected by a pressure detection module, and outputting the pressure value of the fluid pressure;
s4, the judgment module compares the pressure value with the leakage detection pressure value;
s5, when the pressure value reaches the leakage detection pressure value, stopping injecting the fluid into the to-be-detected oil conservator (3) by the driving piece (11), and sending an instruction to the leakage detection module (2) by the judgment module;
s6, the leakage detection module (2) detects whether the outer wall of the conservator (3) to be detected has fluid leakage, and when the leakage detection module (2) detects that the outer wall of the conservator (3) to be detected has fluid leakage, the leakage position of the fluid is the damaged position of the conservator (3) to be detected.
8. The method for detecting the damaged position of the conservator according to claim 7, further comprising, after step S6:
and S7, adding a temporary sealing member at the damaged position.
9. The method for detecting the damaged position of the conservator according to claim 7, further comprising, after step S6:
s8, waiting for verification time when the leakage detection module (2) does not detect that the fluid leakage exists on the outer wall of the conservator (3) to be detected;
s9, if the pressure value changes, indicating that the conservator (3) to be detected is damaged, and returning to the step S2, otherwise indicating that the conservator (3) to be detected is not damaged.
10. The method for detecting the damaged position of the conservator according to claim 9, wherein the verification time is not less than 10 min.
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Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103325531A (en) * | 2013-06-27 | 2013-09-25 | 甘肃省电力公司检修公司 | Intelligent oil level indicating device |
CN104215409A (en) * | 2014-09-10 | 2014-12-17 | 国家电网公司 | Transformer bushing sealing condition monitoring method |
JP2015078838A (en) * | 2013-10-15 | 2015-04-23 | 株式会社タツノ | Leakage detection device |
CN105222962A (en) * | 2015-11-09 | 2016-01-06 | 云南电网有限责任公司红河供电局 | Electric power main-transformer leakage of oil detects and pastes |
CN107907278A (en) * | 2017-10-30 | 2018-04-13 | 广西电网有限责任公司电力科学研究院 | A kind of method for conducting leak test of power transformer oil conservater capsule |
CN109916577A (en) * | 2019-03-28 | 2019-06-21 | 国家电网有限公司 | Conservator capsule detection method, system and terminal device |
CN110828122A (en) * | 2019-11-21 | 2020-02-21 | 常州西电变压器有限责任公司 | Capsule, transformer oil conservator and gas leakage detection method and device |
CN111122075A (en) * | 2019-12-20 | 2020-05-08 | 贵州电网有限责任公司 | Device and method for detecting air tightness of oil conservator |
CN211265217U (en) * | 2019-11-15 | 2020-08-14 | 东莞市输变电工程建设有限责任公司 | Corrugated oil conservator for transformer |
CN112859721A (en) * | 2020-12-31 | 2021-05-28 | 杭州柯林电气股份有限公司 | Transformer fault self-reporting control system and control method thereof |
CN213905111U (en) * | 2020-12-23 | 2021-08-06 | 西安西电高压套管有限公司 | Oiled paper condenser type transformer bushing |
CN214373164U (en) * | 2021-03-09 | 2021-10-08 | 考泰斯(广州)塑料技术有限公司 | Plastic oil tank leakage detection system based on machine vision |
-
2021
- 2021-11-16 CN CN202111356997.0A patent/CN114061869A/en active Pending
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103325531A (en) * | 2013-06-27 | 2013-09-25 | 甘肃省电力公司检修公司 | Intelligent oil level indicating device |
JP2015078838A (en) * | 2013-10-15 | 2015-04-23 | 株式会社タツノ | Leakage detection device |
CN104215409A (en) * | 2014-09-10 | 2014-12-17 | 国家电网公司 | Transformer bushing sealing condition monitoring method |
CN105222962A (en) * | 2015-11-09 | 2016-01-06 | 云南电网有限责任公司红河供电局 | Electric power main-transformer leakage of oil detects and pastes |
CN107907278A (en) * | 2017-10-30 | 2018-04-13 | 广西电网有限责任公司电力科学研究院 | A kind of method for conducting leak test of power transformer oil conservater capsule |
CN109916577A (en) * | 2019-03-28 | 2019-06-21 | 国家电网有限公司 | Conservator capsule detection method, system and terminal device |
CN211265217U (en) * | 2019-11-15 | 2020-08-14 | 东莞市输变电工程建设有限责任公司 | Corrugated oil conservator for transformer |
CN110828122A (en) * | 2019-11-21 | 2020-02-21 | 常州西电变压器有限责任公司 | Capsule, transformer oil conservator and gas leakage detection method and device |
CN111122075A (en) * | 2019-12-20 | 2020-05-08 | 贵州电网有限责任公司 | Device and method for detecting air tightness of oil conservator |
CN213905111U (en) * | 2020-12-23 | 2021-08-06 | 西安西电高压套管有限公司 | Oiled paper condenser type transformer bushing |
CN112859721A (en) * | 2020-12-31 | 2021-05-28 | 杭州柯林电气股份有限公司 | Transformer fault self-reporting control system and control method thereof |
CN214373164U (en) * | 2021-03-09 | 2021-10-08 | 考泰斯(广州)塑料技术有限公司 | Plastic oil tank leakage detection system based on machine vision |
Non-Patent Citations (1)
Title |
---|
史玉清等: "变压器呼吸***密封性检测", 电工技术, no. 7, pages 103 * |
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