CN111024333A - Automatic detection device for transformer sealing test - Google Patents
Automatic detection device for transformer sealing test Download PDFInfo
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- CN111024333A CN111024333A CN201911137570.4A CN201911137570A CN111024333A CN 111024333 A CN111024333 A CN 111024333A CN 201911137570 A CN201911137570 A CN 201911137570A CN 111024333 A CN111024333 A CN 111024333A
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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
- G01M3/28—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 pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2876—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 pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for valves
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- General Physics & Mathematics (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses an automatic detection device for a transformer sealing test, which comprises: interface, standard barometer, the power valve that admits air, high accuracy baroceptor, exhaust power valve, transformer oil conservator interface flange, wherein: the interface that admits air passes through the connecting pipe and connects the standard barometer, the standard barometer pass through the connecting pipe with admit air power valve one end and connect, the other end of admitting air power valve pass through the connecting pipe with high accuracy barometer one end is connected, the high accuracy barometer other end with the one end of exhaust power valve is connected, the other end of exhaust power valve with transformer oil conservator interface flange joint. In the embodiment of the invention, the hardware can effectively improve the reliability of manual maintenance through the operation efficiency of the computer, and most of unstable factors caused by manual pressurization are avoided.
Description
Technical Field
The invention relates to the technical field of equipment detection in a power system, in particular to an automatic detection device for a transformer sealing test.
Background
The requirements in the Specifications for construction and acceptance of Electrical devices, Power transformers, oil reactors, and transformers (GB50148-2010) are: the tightness test of the transformer and the repaired transformer, the gas relay and the oil storage cabinet can be carried out by adopting an oil column or nitrogen, the top of an oil tank is pressurized by 0.03Mpa, and the duration of the tightness test of the 110kV-750kV transformer is 24 hours without leakage.
At present, a main transformer conservator is directly inflated by nitrogen or an air compressor on a transformer overhaul site, so that the gas pressure cannot be controlled in time, the gas pressure is too high, oil is easily injected by a main transformer pressure release valve, and a corrugated pipe in a metal corrugated oil storage cabinet or a capsule in the capsule oil storage cabinet is easily damaged.
Disclosure of Invention
The invention aims to provide an automatic detection device for a transformer sealing test, which is used for solving the problems of unstable manual pressurization and non-real-time detection.
Correspondingly, the embodiment of the invention provides an automatic detection device for a transformer sealing test, which is characterized by comprising the following components: interface, standard barometer, the power valve that admits air, high accuracy baroceptor, exhaust power valve, transformer oil conservator interface flange, wherein: the air inlet interface is connected with the standard barometer through a connecting pipe, the standard barometer is connected with one end of the air inlet power valve through a connecting pipe, the other end of the air inlet power valve is connected with one end of the high-precision air pressure sensor through a connecting pipe, the other end of the high-precision air pressure sensor is connected with one end of the exhaust power valve, and the other end of the exhaust power valve is connected with the transformer oil conservator interface flange;
and the detection controller is arranged on the automatic detection device for the transformer sealing test, and comprises: the high-precision air pressure sensor comprises a power module, an air valve control module, an MCU data acquisition module, a display module and a wireless communication module, wherein the power module supplies power to the air valve control module, the MCU data acquisition module, the display module and the wireless communication module, the air valve control module is in signal connection with the MCU data acquisition module, the display module is in signal connection with the MCU data acquisition module, the wireless communication module is in signal connection with the MCU data acquisition module, and the high-precision air pressure sensor is in signal connection with the MCU data acquisition module.
The power module is externally connected with 220V alternating current and supplies power to the air valve control module, the MCU data acquisition module, the display module and the wireless communication module.
The air inlet interface is connected with a pressure reducing valve, and the pressure reducing valve is connected with the air bottle.
The transformer oil conservator interface flange is connected with a transformer oil conservator.
The hardware device provided by the invention enables a user to complete control of inflation rate and inflation pressure through the mobile phone APP, detects static pressure in real time and improves construction acceptance efficiency. The hardware related by the invention can effectively improve the reliability of manual maintenance through the operation efficiency of the computer, and avoids most of unstable factors caused by manual pressurization.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 diagram of a detection controller disposed on an automatic detection device for a transformer sealing test according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a first embodiment of an automatic detection device for a sealing test of a transformer according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an automatic detection device for a transformer sealing test according to a second embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
Fig. 1 shows a detection controller provided on an automatic detection device for a transformer sealing test, the detection controller including: the high-precision air pressure sensor comprises a power module, an air valve control module, an MCU data acquisition module, a display module and a wireless communication module, wherein the power module supplies power to the air valve control module, the MCU data acquisition module, the display module and the wireless communication module, the air valve control module is in signal connection with the MCU data acquisition module, the display module is in signal connection with the MCU data acquisition module, the wireless communication module is in signal connection with the MCU data acquisition module, and the high-precision air pressure sensor is in signal connection with the MCU data acquisition module.
The detection controller can acquire the pressure value applied to the high-precision air pressure sensor in real time through the MCU data acquisition module based on the detection, and the acquired real-time pressure value is displayed through the display module; comparing the acquired data with a set protection pressure value, and controlling the closing of the air inlet power valve and the air outlet power valve through the air valve control module; and the real-time pressure value and the states of the inlet and outlet power valves are uploaded to the mobile phone APP through the wireless sending unit.
The power module is externally connected with 220V alternating current and supplies power to the air valve control module, the MCU data acquisition module, the display module and the wireless communication module.
The display module can be an LCD display module, the MCU data acquisition processing unit inputs required setting data through the LCD display module in the data acquisition process, and the data is displayed based on the LCD display module after the data acquisition is finished.
The air valve control module can control corresponding data to enable control commands to enter the air inlet power valve and the air outlet power valve respectively.
The MCU data acquisition module can exchange data with a mobile phone APP through the wireless communication module.
Fig. 2 shows a schematic structural diagram of a first embodiment of the automatic detection device for the transformer sealing test, which comprises an air inlet interface (2-1), a standard air pressure meter (2-2), an air inlet power valve (2-3), a high-precision air pressure sensor (2-4), an exhaust power valve (2-5) and a transformer conservator interface flange (2-6).
The air inlet interface (2-1) is connected with a standard air pressure meter (2-2) through a connecting pipe, the standard air pressure meter (2-2) is connected with one end of an air inlet power valve (2-3) through a connecting pipe, the other end of the air inlet power valve (2-3) is connected with one end of a high-precision air pressure sensor (2-4) through a connecting pipe, the other end of the high-precision air pressure sensor (2-4) is connected with one end of an exhaust power valve (2-5), and the other end of the exhaust power valve (2-5) is connected with an interface flange (2-6) of a transformer oil conservator.
FIG. 3 is a schematic structural diagram of a second embodiment of the automatic detection device for the sealing test of the transformer in the embodiment of the invention, which comprises an inflation bottle (3-1), a pressure reducing valve (3-2), an air inlet interface (3-3), a standard barometer (3-4), an air inlet power valve (3-5), a high-precision air pressure sensor (3-6), an air outlet power valve (3-7), a transformer conservator interface flange (3-8) and a transformer conservator (3-9); the air charging bottle (3-1) is connected with a pressure reducing valve (3-2), the pressure reducing valve (3-2) is connected with an air inlet interface (3-3) through a connecting pipe, the air inlet interface (3-3) is connected with a standard air pressure gauge (3-4) through a connecting pipe, the standard air pressure gauge (3-4) is connected with one end of an air inlet power valve (3-5) through a connecting pipe, the other end of the air inlet power valve (3-5) is connected with one end of a high-precision air pressure sensor (3-6) through a connecting pipe, the other end of the high-precision air pressure sensor (3-6) is connected with one end of an air exhaust power valve (3-7), the other end of the air exhaust power valve (3-7) is connected with an interface flange (3-8) of a transformer oil conservator, and the other end of the interface flange (3-8.
The automatic detection device for the transformer sealing test is characterized in that:
(1) opening the gas bottle, and allowing gas to enter the device through a pressure reducing valve;
(2) the device calculates the output value of a high-precision air pressure sensor according to set data and compares the output value with a set value, the output value of the high-precision air pressure sensor is smaller than the set value, an air inlet power valve is opened, and the transformer oil conservator is inflated; when the output value of the high-precision air pressure sensor is greater than or equal to a set value, closing the air inlet power valve and keeping the pressure value in the transformer oil conservator within a set range;
(3) when the output value of the high-precision air pressure sensor is equal to the set value, the device starts to time, the set time value is reached, the exhaust power valve is opened, and the air pressure in the transformer oil conservator is exhausted.
The hardware device provided by the invention enables a user to complete control of inflation rate and inflation pressure through the mobile phone APP, detects static pressure in real time and improves construction acceptance efficiency. The hardware related by the invention can effectively improve the reliability of manual maintenance through the operation efficiency of the computer, and avoids most of unstable factors caused by manual pressurization.
In addition, the above detailed description is given to the automatic detection device for the transformer sealing test provided by the embodiment of the present invention, and a specific example should be adopted herein to explain the principle and the implementation manner of the present invention, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (4)
1. The utility model provides a transformer seal test automatic checkout device which characterized in that, transformer seal test automatic checkout device includes: interface, standard barometer, the power valve that admits air, high accuracy baroceptor, exhaust power valve, transformer oil conservator interface flange, wherein: the air inlet interface is connected with the standard barometer through a connecting pipe, the standard barometer is connected with one end of the air inlet power valve through a connecting pipe, the other end of the air inlet power valve is connected with one end of the high-precision air pressure sensor through a connecting pipe, the other end of the high-precision air pressure sensor is connected with one end of the exhaust power valve, and the other end of the exhaust power valve is connected with the transformer oil conservator interface flange;
and the detection controller is arranged on the automatic detection device for the transformer sealing test, and comprises: the high-precision air pressure sensor comprises a power module, an air valve control module, an MCU data acquisition module, a display module and a wireless communication module, wherein the power module supplies power to the air valve control module, the MCU data acquisition module, the display module and the wireless communication module, the air valve control module is in signal connection with the MCU data acquisition module, the display module is in signal connection with the MCU data acquisition module, the wireless communication module is in signal connection with the MCU data acquisition module, and the high-precision air pressure sensor is in signal connection with the MCU data acquisition module.
2. The automatic detection device for the sealing test of the transformer according to claim 1, wherein the power supply module is externally connected with 220V alternating current to supply power for the air valve control module, the MCU data acquisition module, the display module and the wireless communication module.
3. The automatic detection device for the sealing test of the transformer as claimed in claim 1, wherein the air inlet interface is connected with a pressure reducing valve, and the pressure reducing valve is connected with the air bottle.
4. The automatic detection device for the transformer sealing test according to claim 1, wherein the transformer conservator interface is flange-connected with a transformer conservator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911137570.4A CN111024333A (en) | 2019-11-19 | 2019-11-19 | Automatic detection device for transformer sealing test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911137570.4A CN111024333A (en) | 2019-11-19 | 2019-11-19 | Automatic detection device for transformer sealing test |
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| Publication Number | Publication Date |
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| CN111024333A true CN111024333A (en) | 2020-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911137570.4A Pending CN111024333A (en) | 2019-11-19 | 2019-11-19 | Automatic detection device for transformer sealing test |
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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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2019
- 2019-11-19 CN CN201911137570.4A patent/CN111024333A/en active Pending
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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