CN104569221A - Program-controlled transformer oil gas mixing and oil filtering system and working method thereof - Google Patents
Program-controlled transformer oil gas mixing and oil filtering system and working method thereof Download PDFInfo
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- CN104569221A CN104569221A CN201510029263.XA CN201510029263A CN104569221A CN 104569221 A CN104569221 A CN 104569221A CN 201510029263 A CN201510029263 A CN 201510029263A CN 104569221 A CN104569221 A CN 104569221A
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Abstract
The invention discloses a program-controlled transformer oil gas mixing and oil filtering system and a working method thereof, and relates to an oil liquid detecting system and a working method thereof. At present, a transformer oil chromatography detection method is quite complex, needs manpower for gas mixing and the measurement of mixed standard gas can not be realized; and the used gas can only be disposed, which causes resource waste and also results in environmental pollution. The system comprises a chromatographic instrument, a temperature control device, an oil filter, a standard gas bottle, a plurality of gas mixing oil tanks and a controller, wherein a temperature sensor and a pressure sensor are arranged in each gas mixing oil tank, and a gas valve is arranged on each gas mixing oil tank; the standard gas bottle is connected to the gas mixing oil tanks by virtue of flow meters; the oil filter is connected to the gas mixing oil tank by virtue of first oil valves; an input and output device is arranged on the controller; and the gas mixing oil tanks are connected to the chromatographic instrument. The technical scheme disclosed by the invention is convenient to analyze and is free from manual operation; and the used oil liquid can be recycled after being filtered by the oil filter, so that environmental pollution is relieved.
Description
Technical field
The present invention relates to a kind of oil liquid detection system and method for work, especially program control transformer oil mixes gas, oil filtering system.
Background technology
Transformer ' s type equipment is the equipment of transformer station's most critical, and the insulation system of oilpaper or oil and cardboard composition selected by most electrical equipment.Various gas (as methane, ethane, low-molecular olefine, acetylene, hydrogen etc.) all can be produced when device interior generation hot stall, discharging fault or oilpaper are aging, these gases can be dissolved in oil, therefore determination and analysis is carried out to transformer oil, according to its gas ingredients and content, the Hidden fault to transformer judges it is the important content of oil-filled electric equipment insulation diagnosis.Therefore in transformer oil, the content of solution gas is the important indicator of reflection transformer oil electric property, is the essential items for inspection of 330k and above transformer.
Transformer oil chromatographic is online and non-online detection scheme is very loaded down with trivial details, needs manually to mix gas to transformer oil, cannot determine the metering being mixed into calibrating gas.Extract mixed transformer oil with medical needle tubing or oil drum, be supplied to oil chromatography and detect use, the oil after using cannot filter gas composition wherein, can only dispose, and both having wasted resource also can to environment.
Summary of the invention
The technical assignment of the technical problem to be solved in the present invention and proposition carries out improving to prior art and improves, and provides program control transformer oil to mix gas, oil filtering system and method for work thereof, with easy to detect, and the object economized on resources.For this reason, the present invention takes following technical scheme.
Program control transformer oil mixes gas, oil filtering system, it is characterized in that: comprise chromatograph, attemperating unit, oil filter, gas bottle, multiple mixed gas and oil case and controller; Be provided with temperature sensor and pressure transducer in mixed gas and oil case, mixed gas and oil case is provided with air valve, and described chromatograph, attemperating unit, oil filter, temperature sensor, pressure transducer, air valve are all connected with controller; Described gas bottle is connected with mixed gas and oil case by flowmeter; Described oil filter is connected with mixed gas and oil case by the first fuel tap; Described controller is provided with input and output unit; Described mixed gas and oil case is connected with chromatograph.
As improving further and supplementing technique scheme, the present invention also comprises following additional technical feature.
Described mixed gas and oil case comprises low concentration fuel tank, middle concentration fuel tank and high concentration fuel tank, and described low concentration fuel tank, middle concentration fuel tank and high concentration fuel tank are equipped with multiple tubing interface to access tested equipment.If multiple fuel tank, once inflate and just can analyze multi-group data, improve analysis speed.
The first described fuel tap is oil circuit solenoid valve, and controller is connected to control oil filter and communicates with different mixed gas and oil casees or end from oil circuit solenoid valve.The remote controlled oil circuit solenoid valve of controller, the first fuel tap is at least four-position valve, to make three mixed gas and oil casees can oil strain successively.
Described attemperating unit comprises heating member.Heating member is used for the heating to mixed gas and oil case inner fluid, to accelerate air mixing process.
Described chromatograph is connected with controller by wired or wireless network.Chromatograph is connected with controller and realizes controller and transmit chromatographic control and chromatographic data.
Described controller is connected with oil filter by data-interface.To control the work of oil filter.
Program control transformer oil mixes gas, oil strain method, it is characterized in that comprising the following steps:
1) controller Long-distance Control flowmeter is opened, and is injected into by Standard Gases in mixed gas and oil case; Wherein mixed gas and oil case is divided into high, medium and low three kinds of concentration, and mixed gas and oil case, with pressure detection and attemperating unit, stops gas injection when reaching set pressure, opens thermostat, improves mixed gas and oil the temperature inside the box, is incubated, makes oil gas rapid mixing after reaching design temperature.
2) mixed gas opens venting valve after completing, and makes tank pressure recover normal pressure, stops thermostat work;
3) program control type calibration oil chromatography is started working, and analyzes oil dissolved gas content in fuel tank, and is sent to the output display device of controller by IEC61850 agreement;
4) stratographic analysis work complete after main control end open oil circuit solenoid valve, different fuel tank oil strain opens different valve to complete the filtration of mixed gas and oil case fluid successively, and the output display device of controller shows valve state.
5) set oil filtration time, start oil filter.
Controller comprises main control end and PLC, and controller adopts redundant PLC to control; Main control end directly assigns instruction to PLC, and PLC has returned instruction; Oil filter is program control type oil filter, and redundant PLC controls the solenoid valve of program control type oil filter.
The master control interface of the output display device display of described controller comprises the model display window for display model, the comprehensive state window for display device duty, the list of thing window for presented event information, the equipment state window for visual indicator equipment state.
Described model display window display systems three-dimensional plot, system three-dimensional plot comprises structure drawing of device, oil circuit figure and operation circuit figure.
Beneficial effect: in the technical program, chromatographic fluid directly extracts from mixed gas and oil case, and chromatograph easy analysis, does not need manual operations.Whole system simple interface is easy to operate.And the fluid after using is after oil filter filters, and can reuse, reduce the pollution to environment.
Accompanying drawing explanation
Fig. 1 is principle of the invention block diagram.
Fig. 2 is master control interface figure of the present invention.
Embodiment
Below in conjunction with Figure of description, technical scheme of the present invention is described in further detail.
As shown in Figure 1, program control transformer oil mixes gas, oil filtering system, comprises chromatograph, attemperating unit, oil filter, gas bottle, multiple mixed gas and oil case and controller; Be provided with temperature sensor and pressure transducer in mixed gas and oil case, mixed gas and oil case is provided with air valve, and described chromatograph, attemperating unit, oil filter, temperature sensor, pressure transducer, air valve are all connected with controller; Described gas bottle is connected with mixed gas and oil case by flowmeter; Described oil filter is connected with mixed gas and oil case by the first fuel tap; Described controller is provided with input and output unit; Described mixed gas and oil case is connected with chromatograph.Wherein, described mixed gas and oil case comprises low concentration fuel tank, middle concentration fuel tank and high concentration fuel tank, and described low concentration fuel tank, middle concentration fuel tank and high concentration fuel tank are equipped with multiple tubing interface to access tested equipment.The first described fuel tap is oil circuit solenoid valve, and controller is connected to control oil filter and communicates with different mixed gas and oil casees or end from oil circuit solenoid valve.Described attemperating unit comprises heating member.Described chromatograph is connected with controller by wired or wireless network.Network is adopted to connect in the present embodiment.Described controller is by being connected with oil filter.
Program control transformer oil mixes gas, oil strain method comprises the following steps:
1) controller Long-distance Control flowmeter is opened, and is injected into by Standard Gases in mixed gas and oil case; Wherein mixed gas and oil case is divided into high, medium and low three kinds of concentration, and mixed gas and oil case, with pressure detection and attemperating unit, stops gas injection when reaching set pressure, opens thermostat, improves mixed gas and oil the temperature inside the box, is incubated, makes oil gas rapid mixing after reaching design temperature.
2) mixed gas opens venting valve after completing, and makes tank pressure recover normal pressure, stops thermostat work;
3) program control type calibration oil chromatography is started working, and analyzes oil dissolved gas content in fuel tank, and is sent to the output display device of controller by IEC61850 agreement;
4) stratographic analysis work complete after main control end open oil circuit solenoid valve, different fuel tank oil strain opens different valve to complete the filtration of mixed gas and oil case fluid successively, and the output display device of controller shows valve state.
5) set oil filtration time, start oil filter.
Controller comprises main control end and PLC, and controller adopts redundant PLC to control; Main control end directly assigns instruction to PLC, and PLC has returned instruction; Oil filter is program control type oil filter, and redundant PLC controls the solenoid valve of program control type oil filter.
As shown in Figure 2, the master control interface of the output display device display of controller comprises the model display window for display model, the comprehensive state window for display device duty, the list of thing window for presented event information, the equipment state window for visual indicator equipment state.
Described model display window display systems three-dimensional plot, system three-dimensional plot comprises structure drawing of device, oil circuit figure and operation circuit figure.
It is specific embodiments of the invention that program control transformer oil shown in above Fig. 1,2 mixes gas, oil filtering system and method for work thereof; substantive distinguishing features of the present invention and progress are embodied; can according to the use needs of reality; under enlightenment of the present invention; it is carried out to the equivalent modifications of the aspect such as shape, structure, all at the row of the protection domain of this programme.
Claims (10)
1. program control transformer oil mixes gas, oil filtering system, it is characterized in that: comprise chromatograph, attemperating unit, oil filter, gas bottle, multiple mixed gas and oil case and controller; Be provided with temperature sensor and pressure transducer in mixed gas and oil case, mixed gas and oil case is provided with air valve, and described chromatograph, attemperating unit, oil filter, temperature sensor, pressure transducer, air valve are all connected with controller; Described gas bottle is connected with mixed gas and oil case by flowmeter; Described oil filter is connected with mixed gas and oil case by the first fuel tap; Described controller is provided with input and output unit; Described mixed gas and oil case is connected with chromatograph.
2. program control transformer oil according to claim 1 mixes gas, oil filtering system, it is characterized in that: described mixed gas and oil case comprises low concentration fuel tank, middle concentration fuel tank and high concentration fuel tank, described low concentration fuel tank, middle concentration fuel tank and high concentration fuel tank are equipped with multiple tubing interface to access tested equipment.
3. program control transformer oil according to claim 1 mixes gas, oil filtering system, it is characterized in that: the first described fuel tap is oil circuit solenoid valve, and controller is connected to control oil filter and communicates with different mixed gas and oil casees or end from oil circuit solenoid valve.
4. program control transformer oil according to claim 1 mixes gas, oil filtering system, it is characterized in that: described attemperating unit comprises heating member.
5. program control transformer oil according to claim 1 mixes gas, oil filtering system, it is characterized in that: described chromatograph is connected with controller by wired or wireless network.
6. program control transformer oil according to claim 1 mixes gas, oil filtering system, it is characterized in that: described controller is connected with oil filter by data-interface.
7. program control transformer oil mixes gas, an oil strain method, it is characterized in that comprising the following steps:
1) controller Long-distance Control flowmeter is opened, and is injected into by Standard Gases in mixed gas and oil case; Wherein mixed gas and oil case is divided into high, medium and low three kinds of concentration, and mixed gas and oil case, with pressure detection and attemperating unit, stops gas injection when reaching set pressure, opens thermostat, improves mixed gas and oil the temperature inside the box, is incubated, makes oil gas rapid mixing after reaching design temperature;
2) mixed gas opens venting valve after completing, and makes tank pressure recover normal pressure, stops thermostat work;
3) program control type calibration oil chromatography is started working, and analyzes oil dissolved gas content in fuel tank, and is sent to the output display device of controller by IEC61850 agreement;
4) stratographic analysis work complete after main control end open oil circuit solenoid valve, different fuel tank oil strain opens different valve to complete the filtration of mixed gas and oil case fluid successively, and the output display device of controller shows valve state;
5) set oil filtration time, start oil filter.
8. program control transformer oil according to claim 7 mixes gas, oil strain method, it is characterized in that: controller comprises main control end and PLC, and controller adopts redundant PLC to control; Main control end directly assigns instruction to PLC, and PLC has returned instruction; Oil filter is program control type oil filter, and redundant PLC controls the solenoid valve of program control type oil filter.
9. program control transformer oil according to claim 8 mixes gas, oil strain method, it is characterized in that: the master control interface of the output display device display of described controller comprises the model display window for display model, the comprehensive state window for display device duty, the list of thing window for presented event information, the equipment state window for visual indicator equipment state.
10. program control transformer oil according to claim 9 mixes gas, oil strain method, it is characterized in that: described model display window display systems three-dimensional plot, system three-dimensional plot comprises structure drawing of device, oil circuit figure and operation circuit figure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510029263.XA CN104569221A (en) | 2015-01-21 | 2015-01-21 | Program-controlled transformer oil gas mixing and oil filtering system and working method thereof |
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| CN201510029263.XA CN104569221A (en) | 2015-01-21 | 2015-01-21 | Program-controlled transformer oil gas mixing and oil filtering system and working method thereof |
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Cited By (1)
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| CN105067947A (en) * | 2015-08-28 | 2015-11-18 | 广西电网有限责任公司电力科学研究院 | Power transformer equipment state dynamic monitoring system |
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| CN105067947A (en) * | 2015-08-28 | 2015-11-18 | 广西电网有限责任公司电力科学研究院 | Power transformer equipment state dynamic monitoring system |
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Address after: Hangzhou City, Zhejiang province 310011 Moganshan Road No. 1418-15 Applicant after: Hangzhou Colin electric Limited by Share Ltd Address before: Hangzhou City, Zhejiang province 310011 Moganshan Road No. 1418-15 Applicant before: Hangzhou Kelin Electric Power Equipment Co., Ltd. |
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Application publication date: 20150429 |