CN111965310A - Intelligent gas collection box of transformer gas relay and control method thereof - Google Patents
Intelligent gas collection box of transformer gas relay and control method thereof Download PDFInfo
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- CN111965310A CN111965310A CN202010961924.3A CN202010961924A CN111965310A CN 111965310 A CN111965310 A CN 111965310A CN 202010961924 A CN202010961924 A CN 202010961924A CN 111965310 A CN111965310 A CN 111965310A
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000007789 gas Substances 0.000 claims abstract description 191
- 239000002699 waste material Substances 0.000 claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000001257 hydrogen Substances 0.000 claims abstract description 9
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims description 8
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 150000002431 hydrogen Chemical class 0.000 claims description 3
- 238000005192 partition Methods 0.000 claims description 3
- 238000013022 venting Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000001960 triggered effect Effects 0.000 abstract description 4
- 229910001252 Pd alloy Inorganic materials 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012549 training 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
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/005—H2
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/64—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats of the free float type without mechanical transmission elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/20—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of apparatus for measuring liquid level
-
- 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
- G01N1/22—Devices for withdrawing samples in the gaseous state
-
- 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
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/007—Arrangements to check the analyser
-
- 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
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0073—Control unit therefor
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H45/00—Details of relays
- H01H45/02—Bases; Casings; Covers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Medicinal Chemistry (AREA)
- Food Science & Technology (AREA)
- Fluid Mechanics (AREA)
- Electromagnetism (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Automation & Control Theory (AREA)
- Housings And Mounting Of Transformers (AREA)
Abstract
The invention discloses an intelligent gas collection box of a transformer gas relay and a control method thereof, relating to the technical field of transformers, and comprising a box body 30, and an equipment box 28, a gas taking box 12 and a waste oil box 19 which are sequentially arranged in the box body 30 from top to bottom, solving the technical problems that automatic and safe gas taking of the transformer gas relay can be realized, gas composition monitoring can be realized, and a gas taking process is automatically triggered by a gas relay alarm or an action signal, the invention can automatically take gas through the triggering of the gas relay alarm or the action signal without manual intervention, adopts the serial design of an electromagnetic valve to avoid mistaken oil discharge caused by the failure of the electromagnetic valve, adopts a continuous floating ball liquid level meter to control the gas taking and oil discharge capacity, avoids misoperation, adopts a palladium alloy sensor to measure the hydrogen concentration in the gas and carry out real-time alarm, supports the self-checking of the sensor and the electromagnetic valve, avoiding misoperation and supporting the output of the communication signal line.
Description
Technical Field
The invention relates to the technical field of transformers, in particular to an intelligent gas collecting box of a transformer gas relay and a control method thereof.
Background
Because transformer gas relay installs on the connecting pipe between transformer conservator and transformer tank usually, is located transformer tank's top, after the relay reports an emergency and asks for help or moves, for the convenience personnel observe the inside gas capacity of gas relay and handle the relevant gas of monitoring, need adopt the gas collection box to lead to the transformer below with the gas in the gas relay to the manual mode is got gas and is exhausted, gets the in-process and still need discharge partial transformer oil.
At present, the traditional gas collecting box is operated in a manual mode, static oil pressure in a transformer conservator is utilized to conduct gas guiding and gas taking, gas quantity and oil level in the gas collecting box are observed manually in the operation process, and incomplete gas guiding, incomplete gas exhausting and excessive oil discharging are avoided. Meanwhile, manual operation can also avoid mistaken oil discharge or pollution to internal transformer oil. However, manually operated gas collecting boxes have several disadvantages to be improved upon in use.
Problems and disadvantages of the prior art
(1) Personnel must be relied on to operate on the site of the transformer, so that the safety problem of the personnel is increased;
(2) professional training is needed for manual operation, and meanwhile, the operation time is long, and misoperation and excessive oil discharge are easy to occur;
(3) the process data of gas taking and detection needs manual input, the automation degree is low, and the data error is large.
Disclosure of Invention
The invention aims to provide an intelligent gas collecting box of a transformer gas relay and a control method thereof, which solve the technical problems that gas is automatically taken, gas components can be monitored, and a gas taking process is automatically triggered by a gas relay alarm or an action signal.
In order to achieve the purpose, the invention adopts the following technical scheme:
an intelligent gas collection box of a transformer gas relay comprises a box body, and an equipment box, a gas taking box and a waste oil box are sequentially arranged in the box body from top to bottom;
the equipment box is internally provided with a control module, a sensor, a gas taking electromagnetic valve and an exhaust electromagnetic valve, wherein the sensor, the gas taking electromagnetic valve and the exhaust electromagnetic valve are respectively and electrically connected with the control module through different data lines, the control module is connected with an external power supply through a power line, and the control module is communicated with an external gas relay through a data line;
the gas taking box is connected with an external gas relay through a gas guide pipe and is used for obtaining oil liquid transmitted by the external gas relay, and the gas taking electromagnetic valve is arranged on the gas guide pipe and is used for controlling the resistance of the gas guide pipe;
a first floater used for measuring the liquid level of the oil liquid is arranged in the gas taking box;
the waste oil box is communicated with the gas taking box through a waste oil pipe for leading out oil, and the oil discharge battery valve is arranged on the waste oil pipe and used for controlling the resistance of the waste oil pipe;
the gas taking box is communicated with the waste oil box through an exhaust pipe for leading out gas;
the waste oil box is provided with an exhaust hole for exhausting, a second floater for measuring the liquid level of oil and an oil discharge pipe for guiding out the oil, and a manual oil discharge valve is arranged on the oil discharge pipe and used for controlling the through resistance of the oil discharge pipe.
Preferably, the equipment box, the gas taking box and the waste oil box are separated by partition plates.
Preferably, the drain battery valve, the second float and the first float are electrically connected to the control module through different data lines, respectively.
Preferably, a first supporting rod and a second supporting rod are arranged in the gas taking box and the waste oil box respectively, the first floater moves up and down along the first supporting rod, and the second floater moves up and down along the first supporting rod.
A control method of an intelligent gas collecting box of a transformer gas relay comprises the following steps:
step 1: establishing the intelligent gas collecting box of the transformer gas relay;
step 2: the control module judges whether air exists in the air taking box by detecting the position of the first floater: if yes, firstly opening the gas taking electromagnetic valve, then opening the exhaust electromagnetic valve to exhaust until the first floater rises to the top of the gas taking box to indicate that all air is exhausted, and filling oil of the transformer in the gas taking box, and executing the step 3; if not, executing the step 3;
and step 3: the control module closes the gas taking electromagnetic valve and the gas exhaust electromagnetic valve;
and 4, step 4: when the external gas relay generates light gas alarm or heavy gas action, the alarm and protection action signal is transmitted into the control module, and the automatic gas taking process specifically comprises the following steps:
step A1: the control module executes delay, and executes the step 4 after the delay is finished;
step A2: the control module controls to open the gas taking electromagnetic valve and simultaneously controls to open the oil discharging battery valve, and gas taking and oil discharging are carried out simultaneously;
step A3: when the position of the first floater descends, the gas taking is indicated, and when the position of the first floater stops descending, the gas taking is indicated to be finished, the control module firstly closes the oil discharge battery valve and then closes the gas taking electromagnetic valve;
and 5: the control module executes delay, and executes step 6 after the delay is finished;
step 6: the control module executes delay, acquires hydrogen concentration measurement in the gas taking box acquired by the sensor after the delay is finished, and performs threshold value comparison, remote communication and alarm on the measurement data;
and 7: venting according to the method of step 2;
and 8: before the exhaust or oil discharge process from the step 2 to the step 6 is executed, the oil level of the waste oil box is checked through the second floater, if the oil level reaches the upper limit, the control module remotely reminds personnel that the waste oil box needs to be emptied on site, and the oil of the transformer is prevented from overflowing;
and step 9: the control module counts the action times and carries out self-checking to the state of oil level and sensor to close all solenoid valves under the abnormal conditions, carry out remote alarm and remind personnel to handle, guarantee the reliable operation of device, the sensor is the hydrogen sensor.
The invention discloses an intelligent gas collecting box of a transformer gas relay and a control method thereof, which solve the technical problems that gas can be automatically collected and gas composition monitoring can be carried out, and a gas collecting process is automatically triggered by gas relay alarm or action signals, the invention can trigger automatic gas collection through the gas relay alarm or action signals, does not need manual intervention, adopts a series design of electromagnetic valves to avoid oil discharge error caused by electromagnetic valve faults, adopts a continuous floating ball liquid level meter to control gas collection and oil discharge capacity, avoids misoperation, adopts a palladium alloy sensor to measure the hydrogen concentration in the gas and carry out real-time alarm, supports self-checking of the sensor and the electromagnetic valves, can automatically alarm when the gas collecting box fails, avoids misoperation, supports communication signal line output, can realize data remote transmission, record and accident follow-up, and can replace the possibility of safety accidents caused by manual field gas collection, and the safe operation of the transformer is not influenced.
Drawings
FIG. 1 is a schematic diagram of the system architecture of the present invention.
Detailed Description
Example 1:
the intelligent gas collecting box of the transformer gas relay shown in fig. 1 comprises a box body 30, and an equipment box 28, a gas taking box 12 and a waste oil box 19 are sequentially arranged in the box body 30 from top to bottom;
a control module 7, a sensor 22, a gas taking electromagnetic valve 23 and an exhaust electromagnetic valve 9 are arranged in the equipment box 28, the sensor 22, the gas taking electromagnetic valve 23 and the exhaust electromagnetic valve 9 are respectively and electrically connected with the control module 7 through different data lines 21, the control module 7 is connected with an external power supply through a power line 3, and the control module 7 is communicated with an external gas relay 1 through one data line 21;
the gas taking box 12 is connected with the external gas relay 1 through a gas guide pipe 24 and is used for obtaining oil liquid 26 transmitted by the external gas relay 1, and the gas taking electromagnetic valve 23 is arranged on the gas guide pipe 24 and is used for controlling the resistance of the gas guide pipe 24;
a first floater 11 for measuring the liquid level of the oil liquid 26 is arranged in the gas taking box 12;
the waste oil box 19 is communicated with the gas taking box 12 through a waste oil pipe 27 for leading out oil liquid 26, and the oil discharge battery valve 20 is arranged on the waste oil pipe 27 and is used for controlling the resistance of the waste oil pipe 27;
the gas taking box 12 is communicated with the waste oil box 19 through an exhaust pipe 10 for leading out gas;
the waste oil tank 19 is provided with an exhaust hole 13 for exhausting air, a second float 16 for measuring the level of the oil 26, and an oil discharge pipe 18 for leading out the oil 26, and a manual oil discharge valve 17 is provided on the oil discharge pipe 18 for controlling the passage of the oil discharge pipe 18.
Preferably, the equipment box 28, the gas extraction box 12 and the waste oil box 19 are separated by partition plates.
Preferably, the drain battery valve 20, the second float 16 and the first float 11 are electrically connected to the control module 7 through different data lines 21, respectively.
Preferably, a first supporting rod 31 and a second supporting rod 16 are respectively arranged in the gas taking box 12 and the waste oil box 19, the first floater 11 moves up and down along the first supporting rod 31, and the second floater 15 moves up and down along the first supporting rod 16.
In this embodiment, the control module 7 includes an MCU and its peripheral circuits, and the model of the MCU is STM32F407ZGT 6.
example 2:
the control method of the transformer gas relay intelligent gas collecting box in the embodiment 2 is realized on the basis of the transformer gas relay intelligent gas collecting box in the embodiment, and comprises the following steps:
step 1: establishing the intelligent gas collecting box of the transformer gas relay;
step 2: the control module 7 judges whether there is air in the air extracting box 12 by detecting the position of the first floater 11: if yes, firstly opening the gas taking solenoid valve 23, then opening the gas exhaust solenoid valve 9 to exhaust until the first floater 11 rises to the top of the gas taking box 12 to indicate that all air is exhausted, and filling oil 26 of the transformer in the gas taking box 12, and executing the step 3; if not, executing the step 3;
and step 3: the control module 7 closes the gas taking solenoid valve 23 and the gas exhaust solenoid valve 9;
and 4, step 4: when the external gas relay 1 gives a light gas alarm or heavy gas action, an alarm and protection action signal is transmitted into the control module 7 to enter an automatic gas taking process, and the method specifically comprises the following steps:
step A1: the control module 7 executes delay, and executes the step 4 after the delay is finished;
step A2: the control module 7 controls to open the gas taking electromagnetic valve 23 and simultaneously controls to open the oil discharging battery valve 20, and gas taking and oil discharging are carried out simultaneously;
step A3: when the position of the first floater 11 descends, indicating that gas is being taken, and when the position of the first floater 11 stops descending, indicating that gas taking is finished, the control module 7 firstly closes the oil drain battery valve 20 and then closes the gas taking electromagnetic valve 23;
because outside buchholz relay is communicateing the transformer conservator and pressure is greater than and gets gas box pressure, opens the back simultaneously when getting gas solenoid valve and oil extraction solenoid valve, and the trouble gas of buchholz relay the inside can be impressed and get gas box, and gas stops and gets gas box upper portion, gets into when gaseous whole and get gas box back, and oil will be impressed and get gas box to the oil drain port of following the below discharges, and the liquid level will not descend again.
And 5: the control module 7 executes delay, and executes the step 6 after the delay is finished;
step 6: the control module 7 executes delay, measures the hydrogen concentration in the gas taking box 12 acquired by the acquisition sensor 22 after the delay is finished, compares the threshold value of the measurement data, and performs remote communication and alarm;
and 7: venting according to the method of step 2;
and 8: before the exhaust or oil discharge process from the step 2 to the step 6 is executed, the oil level of the waste oil box 19 needs to be checked through the second floater 16, if the upper limit is reached, the control module 7 remotely reminds personnel that the waste oil box 19 needs to be emptied on site, and the oil of the transformer is prevented from overflowing;
and step 9: the control module 7 counts the action times and performs self-checking on the oil level and the state of the sensor 22, so that all electromagnetic valves are closed under abnormal conditions, remote warning is performed to remind personnel to process, reliable operation of the device is guaranteed, and the sensor 22 is a hydrogen sensor.
The invention discloses an intelligent gas collecting box of a transformer gas relay and a control method thereof, which solve the technical problems that gas can be automatically collected and gas composition monitoring can be carried out, and a gas collecting process is automatically triggered by gas relay alarm or action signals, the invention can trigger automatic gas collection through the gas relay alarm or action signals, does not need manual intervention, adopts a series design of electromagnetic valves to avoid oil discharge error caused by electromagnetic valve faults, adopts a continuous floating ball liquid level meter to control gas collection and oil discharge capacity, avoids misoperation, adopts a palladium alloy sensor to measure the hydrogen concentration in the gas and carry out real-time alarm, supports self-checking of the sensor and the electromagnetic valves, can automatically alarm when the gas collecting box fails, avoids misoperation, supports communication signal line output, can realize data remote transmission, record and accident follow-up, and can replace the possibility of safety accidents caused by manual field gas collection, and the safe operation of the transformer is not influenced.
Claims (5)
1. The utility model provides a transformer gas relay intelligence gas collection box which characterized in that: comprises a box body (30), and an equipment box (28), a gas taking box (12) and a waste oil box (19) are sequentially arranged in the box body (30) from top to bottom;
a control module (7), a sensor (22), a gas taking electromagnetic valve (23) and an exhaust electromagnetic valve (9) are arranged in the equipment box (28), the sensor (22), the gas taking electromagnetic valve (23) and the exhaust electromagnetic valve (9) are respectively and electrically connected with the control module (7) through different data lines (21), the control module (7) is connected with an external power supply through a power line (3), and the control module (7) is communicated with an external gas relay (1) through one data line (21);
the gas taking box (12) is connected with the external gas relay (1) through a gas guide pipe (24) and is used for obtaining oil liquid (26) transmitted by the external gas relay (1), and the gas taking electromagnetic valve (23) is arranged on the gas guide pipe (24) and is used for controlling the resistance of the gas guide pipe (24);
a first floater (11) for measuring the liquid level of the oil liquid (26) is arranged in the gas taking box (12);
the waste oil box (19) is communicated with the gas taking box (12) through a waste oil pipe (27) for leading out oil liquid (26), and the oil discharge battery valve (20) is arranged on the waste oil pipe (27) and used for controlling the resistance of the waste oil pipe (27);
the gas taking box (12) is communicated with the waste oil box (19) through an exhaust pipe (10) for leading out gas;
the waste oil box (19) is provided with an exhaust hole (13) for exhausting air, a second floater (16) for measuring the liquid level of the oil (26) and an oil discharge pipe (18) for guiding out the oil (26), and a manual oil discharge valve (17) is arranged on the oil discharge pipe (18) and used for controlling the through resistance of the oil discharge pipe (18).
2. The intelligent gas collection box of a transformer gas relay as claimed in claim 1, wherein: the equipment box (28), the gas taking box (12) and the waste oil box (19) are separated by partition plates.
3. The intelligent gas collection box of a transformer gas relay as claimed in claim 1, wherein: the oil drain battery valve (20), the second floater (16) and the first floater (11) are respectively and electrically connected with the control module (7) through different data lines (21).
4. The intelligent gas collection box of a transformer gas relay as claimed in claim 1, wherein: a first supporting rod (31) and a second supporting rod (16) are arranged in the gas taking box (12) and the waste oil box (19) respectively, the first floater (11) moves up and down along the first supporting rod (31), and the second floater (15) moves up and down along the first supporting rod (16).
5. A control method of an intelligent gas collecting box of a transformer gas relay is characterized by comprising the following steps: the method comprises the following steps:
step 1: establishing the intelligent gas collecting box of the transformer gas relay;
step 2: the control module (7) judges whether air exists in the air extracting box (12) or not by detecting the position of the first floater (11): if yes, firstly opening the air taking solenoid valve (23), then opening the exhaust solenoid valve (9) to exhaust until the first floater (11) rises to the top of the air taking box (12) to indicate that all air is exhausted, filling oil (26) of the transformer in the air taking box (12), and executing the step 3; if not, executing the step 3;
and step 3: the control module (7) closes the gas taking electromagnetic valve (23) and the gas exhaust electromagnetic valve (9);
and 4, step 4: when the external gas relay (1) gives an alarm for light gas or gives an alarm for heavy gas, an alarm and protection action signal is transmitted into the control module (7), and the automatic gas taking process specifically comprises the following steps:
step A1: the control module (7) executes delay, and executes the step 4 after the delay is finished;
step A2: the control module (7) controls to open the gas taking electromagnetic valve (23) and simultaneously controls to open the oil discharging battery valve (20) and simultaneously performs gas taking and oil discharging;
step A3: when the position of the first floater (11) descends, indicating that gas is being taken, and when the position of the first floater (11) stops descending, indicating that gas taking is finished, the control module (7) firstly closes the oil drain battery valve (20) and then closes the gas taking electromagnetic valve (23);
and 5: the control module (7) executes delay, and executes the step 6 after the delay is finished;
step 6: the control module (7) executes delay, after the delay is finished, the hydrogen concentration in the gas taking box (12) acquired by the acquisition sensor (22) is measured, and the measured data is subjected to threshold value comparison, remote communication and alarm;
and 7: venting according to the method of step 2;
and 8: before the exhausting or oil discharging process from the step 2 to the step 6 is carried out, the oil level of the waste oil box (19) needs to be checked through the second floater (16), and if the upper limit is reached, the control module (7) remotely reminds personnel that the waste oil box (19) needs to be emptied on site, so that the oil of the transformer is prevented from overflowing;
and step 9: the control module (7) counts the action times and carries out self-checking on the oil level and the state of the sensor (22), so that all electromagnetic valves are closed under abnormal conditions, remote alarm is carried out to remind personnel to handle, the reliable operation of the device is ensured, and the sensor (22) is a hydrogen sensor.
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CN202010961924.3A CN111965310A (en) | 2020-09-14 | 2020-09-14 | Intelligent gas collection box of transformer gas relay and control method thereof |
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CN202010961924.3A CN111965310A (en) | 2020-09-14 | 2020-09-14 | Intelligent gas collection box of transformer gas relay and control method thereof |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113823523A (en) * | 2021-09-30 | 2021-12-21 | 山西沁新能源集团股份有限公司 | Automatic exhaust device for gas relay of rectifier transformer |
CN114323817A (en) * | 2021-12-31 | 2022-04-12 | 南京力通达电气技术有限公司 | Automatic gas taking device and method for transformer |
CN115097073A (en) * | 2022-06-28 | 2022-09-23 | 重庆理工大学 | Online monitoring device for combustible gas of power transformer |
-
2020
- 2020-09-14 CN CN202010961924.3A patent/CN111965310A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113823523A (en) * | 2021-09-30 | 2021-12-21 | 山西沁新能源集团股份有限公司 | Automatic exhaust device for gas relay of rectifier transformer |
CN114323817A (en) * | 2021-12-31 | 2022-04-12 | 南京力通达电气技术有限公司 | Automatic gas taking device and method for transformer |
CN115097073A (en) * | 2022-06-28 | 2022-09-23 | 重庆理工大学 | Online monitoring device for combustible gas of power transformer |
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