CN103063476A - Oil sampling analog device of transformer - Google Patents
Oil sampling analog device of transformer Download PDFInfo
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- CN103063476A CN103063476A CN201210542097XA CN201210542097A CN103063476A CN 103063476 A CN103063476 A CN 103063476A CN 201210542097X A CN201210542097X A CN 201210542097XA CN 201210542097 A CN201210542097 A CN 201210542097A CN 103063476 A CN103063476 A CN 103063476A
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Abstract
The invention relates to an oil sampling analog device of a transformer. The oil sampling analog device of the transformer comprises a cabinet body; N oil sampling valves of the transformer are arranged on the outer surface of the cabinet body; an air pump, an air storage tank, a tee joint, a pressure gauge, a pressure regulating valve, an oil tank and a dividing valve are arranged inside the cabinet body; the air inlet of the air pump is communicated with the inlet of the air storage tank; the outlet of the air storage tank is respectively communicated with the air inlet of the pressure gauge and the air inlet of the pressure regulating valve through the tee joint; the air outlet of the pressure regulating valve is communicated with the air inlet of the oil tan; the oil outlet of the oil tank is communicated with the oil inlet of the dividing valve; the N oil outlets of the dividing valve are respectively communicated with the oil inlets of the N oil sampling valves of the transformer; a display and buttons are further arranged on the outer surface of the cabinet body; the cabinet body is internally provided with an intelligent controller further; and the intelligent controller can control oil temperature and oil pressure. The oil sampling analog device of the transformer is simple in structure, high in function and convenient to use.
Description
(1), technical field: the present invention relates to a kind of sampling simulation device, particularly a kind of transformer oil sampling simulation device.
(2), background technology: along with China's industry and modernization construction paces strengthen year by year, demand to electric power also grows with each passing day, increasing high voltage substation comes into operation, for safety, the even running that guarantees transformer station, except daily inspection is safeguarded, regularly extract transformer oil and carry out the gas composition analysis and be absolutely necessary; Extract transformer oil and realize by sample valve, to the working specification degree direct influence transformer assay of sample valve, in order in check, to guarantee standard samples, just require the tester that very high sampling technical ability is arranged.At present, sample valve model and pattern are varied on the market, and this for convenient training tester's sampling technical ability, is badly in need of a kind of analog training device that integrates various sample valves so that the sampling work difficulty of standardization strengthens.
(3), summary of the invention:
The technical problem to be solved in the present invention is: not enough for prior art, a kind of simple in structure, transformer oil sampling simulation device that function is strong, easy to use is provided.
Technical scheme of the present invention:
A kind of transformer oil sampling simulation device, contain cabinet, outside surface at cabinet is provided with N transformer oil sample valve, in cabinet, be provided with air pump, gas-holder, threeway, tensimeter, pressure-regulating valve, fuel tank and diverting valve, the gas outlet of air pump is communicated with the entrance of gas-holder, the outlet of gas-holder is communicated with the air intake opening of manometric air intake opening and pressure-regulating valve respectively by threeway, the gas outlet of pressure-regulating valve is communicated with the air intake opening of fuel tank, the oil-out of fuel tank is communicated with the oil-in of diverting valve, and the N of a diverting valve oil-out is communicated with the oil-in of N transformer oil sample valve respectively; N is the natural number more than or equal to 1.Pressure-regulating valve can be controlled the air-flow size, and oil pressure is finely tuned.
Also be provided with display and button on the outside surface of cabinet, also be provided with intelligent controller in the cabinet, intelligent controller contains microprocessor, amplifying circuit, analog to digital conversion circuit, driving circuit, display interface circuit and power-switching circuit, microprocessor is connected with display by display interface circuit, the switching value input port of microprocessor is connected with button, connecting pipe between the oil-out of fuel tank and the oil-in of diverting valve is provided with pressure transducer, the outer wall of fuel tank is provided with well heater, be provided with temperature sensor in the fuel tank, pressure transducer is connected output terminal and is connected with the signal input part of amplifying circuit with temperature sensor, the signal output part of amplifying circuit is connected with the signal input part of analog to digital conversion circuit, the signal output part of analog to digital conversion circuit is connected with the signal input part of microprocessor, the signal output part of microprocessor is connected with the signal input part of driving circuit, and the output terminal of driving circuit is connected with well heater with air pump; Power-switching circuit is microprocessor, amplifying circuit, analog to digital conversion circuit, driving circuit and display interface circuit power supply, the input termination electric main of power-switching circuit.
The input end of power-switching circuit connects electric main by air switch, and air switch is installed in the inside of cabinet; Button contains air pump operation button, air pump stops key, heats the operation button and heating stops key; Display is for touching LCD display, and button is located at the below of display; Well heater is heat tape, and the heat tape uniform winding is on the outer wall of fuel tank, and the outside of heat tape is provided with heat-insulation layer, and the material of heat-insulation layer is hard polyurethane foams; Temperature sensor is highly sensitive temperature-sensing element.
The touch LCD display be processed and be exported to intelligent controller can to the output signal of pressure transducer and temperature sensor, can carry out the following functions setting by touching LCD display: set the required oil pressure of this analogue means, oil temperature, set manual, the automatic mode of this analogue means; Touching LCD display also can show in real time to oil pressure, oil temperature.
Under automatic mode, intelligent controller can carry out Based Intelligent Control to pressure and the temperature of oil according to pressure, the temperature value set, when actual oil pressure is lower than set pressure, intelligent controller just can be controlled the air pump operation, ensuring sufficient air pressure injects in the fuel tank, to reach the oil pressure value of setting, when actual temperature is lower than design temperature, intelligent controller starts with regard to control heater, to reach the temperature value of setting; When pattern was set to manual mode, intelligent controller was not controlled, and air pump operation button is leaned in the start and stop of air pump, the start and stop of oil tank heating entirely, air pump stops key, heats the operation button and heating stops key to control.
The inside arranged on left and right sides of cabinet respectively is fixed with a montant, is fixedly connected with a cross bar between the middle part of two montants; The number of described diverting valve is two, and two diverting valves are installed in respectively on two montants; Pressure-regulating valve, tensimeter, threeway and air switch are installed on the cross bar; Air pump, gas-holder and fuel tank are arranged on the bottom of cabinet.
The xsect of montant is " L " shape, and the xsect of cross bar is " protruding " font.
N transformer oil sample valve is arranged on the front surface of cabinet, but the back of cabinet is provided with the cabinet door of folding, and display and button are arranged on the outside surface of cabinet door, and intelligent controller is arranged on the inside surface of cabinet door.
The number of diverting valve is M, and M diverting valve is connected in series from beginning to end successively and is communicated with, and the oil-out of fuel tank is communicated with the oil-in of first diverting valve, and the N of a M diverting valve oil-out is communicated with the oil-in of N transformer oil sample valve respectively; M is the natural number more than or equal to 1.Each diverting valve can have a plurality of oil-outs, the oil-in of the corresponding transformer oil sample valve of oil-out.
The number of transformer oil sample valve is 8, and 4 oil-outs of each diverting valve are communicated with the oil-in of 4 transformer oil sample valves respectively.
Fuel tank is the structure of sealing, and the top of fuel tank is provided with an oil filler, and oil filler is provided with gland bonnet, and the oil-out of fuel tank is located on the gland bonnet, and the air intake opening of fuel tank is located at a side of oil filler.The air intake opening of fuel tank and oil-out place are provided with packoff, and the top of fuel tank also is provided with a handle.
The bottom surface of cabinet is provided with Universal pulley; The type of N transformer oil sample valve is different, and the quantity of transformer oil sample valve can increase and decrease as required.
Transformer oil sample valve one end is all identical with the joint of oil circuit junction, valve can be contained on any one joint location like this, realizes the interchangeability of valve.
During the work of this transformer oil sampling simulation device, at first air switch is closed a floodgate and switch on, then touching design temperature on the LCD display, the parameter of the oil such as pressure, after finishing, setting presses the air pump operation, heating operation button, make air pump work, pressure-air is delivered to gas-holder, gas out passes through distributing T-pipe to tensimeter and pressure-regulating valve from gas-holder, in pressure-regulating valve gas inject fuel tank out, through pressure transducer, arrive diverting valve from fuel tank hydraulic oil out, hydraulic oil is shunted to each sample valve the most at last, observe and touch oil pressure and the oil temperature that shows on the LCD display, the exercise of after they reach setting value, can taking a sample.
In this transformer oil sampling simulation device, the oil of analogue transformer is supplied with by fuel tank, for oil pressure and the transformer sample valve outlet oil pressure that can make the sample valve outlet is consistent, adopts the mode of pressurizeing in fuel tank to solve; The source of the gas of pressurization is guaranteed by air pump, is provided with gas-holder between air pump and the fuel tank; In order to make sample valve oil-out pressure adjustable, between air pump and fuel tank, set up again a pressure-regulating valve.Oil circuit between fuel tank and the sample valve is realized by diverting valve.
Beneficial effect of the present invention:
1. the present invention concentrates on common several transformer oil sample valves on the cabinet, realized the same time period, with the place to the oily skills training of getting of multiple transformer oil sample valve, be conducive to the sampling personnel cognitive to the difference of the structure of different model sample valve; The present invention is not only easy to use, and simple in structure.
2. the present invention adopts intelligent controller that temperature, the pressure of oil are controlled, and has simulated the nominal situation of transformer oil, has simulated realistically transformer and has got the oil scene.
3. cabinet bottom surface of the present invention is provided with Universal pulley, this transformer oil sampling simulation device can be pushed into different places and give use training, and is easy to use.
(4), description of drawings:
Fig. 1 is the structural representation of transformer oil sampling simulation device;
Fig. 2 is the structural representation of the transformer oil sampling simulation device of door when opening on the cabinet;
Fig. 3 is the right TV structure schematic diagram of Fig. 2;
Fig. 4 is the structural representation of transformer oil sampling simulation device inner air path and oil circuit;
Fig. 5 is the schematic block circuit diagram of intelligent controller.
(5), embodiment:
Referring to Fig. 1～Fig. 5, among the figure, transformer oil sampling simulation device contains cabinet 1, outside surface at cabinet 1 is provided with 8 transformer oil sample valves 11,12,13,14,15,16,17,18, in cabinet 1, be provided with air pump 10, gas-holder 9, threeway 6, tensimeter 7, pressure-regulating valve 2, fuel tank 8 and diverting valve 4, the gas outlet of air pump 10 is communicated with the entrance of gas-holder 9, the outlet of gas-holder 9 is communicated with the air intake opening of tensimeter 7 and the air intake opening of pressure-regulating valve 1 respectively by threeway 6, the gas outlet of pressure-regulating valve 2 is communicated with the air intake opening of fuel tank 8, the oil-out of fuel tank 8 is communicated with the oil-in of diverting valve 4,8 oil-outs of diverting valve 4 respectively with 8 transformer oil sample valves 11,12,13,14,15,16,17,18 oil-in is communicated with.Pressure-regulating valve 2 can be controlled the air-flow size, and oil pressure is finely tuned.
Also be provided with display 31 and button 32 on the outside surface of cabinet 1, also be provided with intelligent controller 33 in the cabinet 1, intelligent controller 33 contains microprocessor, amplifying circuit, analog to digital conversion circuit, driving circuit, display interface circuit and power-switching circuit, microprocessor is connected with display 31 by display interface circuit, the switching value input port of microprocessor is connected with button 32, connecting pipe between the oil-in of the oil-out of fuel tank 8 and diverting valve 4 is provided with pressure transducer 30, the outer wall of fuel tank 8 is provided with well heater, be provided with temperature sensor in the fuel tank 8, pressure transducer 30 is connected output terminal and is connected with the signal input part of amplifying circuit with temperature sensor, the signal output part of amplifying circuit is connected with the signal input part of analog to digital conversion circuit, the signal output part of analog to digital conversion circuit is connected with the signal input part of microprocessor, the signal output part of microprocessor is connected with the signal input part of driving circuit, and the output terminal of driving circuit is connected with well heater with air pump 10; Power-switching circuit is microprocessor, amplifying circuit, analog to digital conversion circuit, driving circuit and display interface circuit power supply, the input termination electric main of power-switching circuit.
The input end of power-switching circuit connects electric main by air switch 34, and air switch 34 is installed in the inside of cabinet 1; Button 32 contains air pump operation button, air pump stops key, heats the operation button and heating stops key; Display 31 is for touching LCD display, and button 32 is located at the below of display 31; Well heater is heat tape, and the heat tape uniform winding is on the outer wall of fuel tank 8, and the outside of heat tape is provided with heat-insulation layer, and the material of heat-insulation layer is hard polyurethane foams; Temperature sensor is highly sensitive temperature-sensing element.
The touch LCD display be processed and be exported to intelligent controller 33 can to the output signal of pressure transducer 30 and temperature sensor, can carry out the following functions setting by touching LCD display: set the required oil pressure of this analogue means, oil temperature, set manual, the automatic mode of this analogue means; Touching LCD display also can show in real time to oil pressure, oil temperature.
Under automatic mode, intelligent controller 33 can carry out Based Intelligent Control to pressure and the temperature of oil according to pressure, the temperature value set, when actual oil pressure is lower than set pressure, intelligent controller 33 just can be controlled air pump 10 operations, ensuring sufficient air pressure injects in the fuel tank 8, to reach the oil pressure value of setting, when actual temperature is lower than design temperature, intelligent controller 33 starts with regard to control heater, to reach the temperature value of setting; When pattern was set to manual mode, intelligent controller 33 was not controlled, and air pump operation button is leaned in the start and stop of air pump 10, the start and stop of oil tank heating entirely, air pump stops key, heats the operation button and heating stops key to control.
The inside arranged on left and right sides of cabinet 1 respectively is fixed with between the middle part of 3, two montants 3 of a montant and is fixedly connected with a cross bar 5; 2 diverting valves 4 are installed in respectively on two montants 3; Pressure-regulating valve 2, tensimeter 7, threeway 6 and air switch 34 are installed on the cross bar 5; Air pump 10, gas-holder 9 and fuel tank 8 are arranged on the bottom of cabinet 1.Fuel tank 8 is arranged on the left side of cabinet 1 bottom, and air pump 10 and gas-holder 9 are arranged on the right side of cabinet 1 bottom, and air pump 10, gas-holder 9 and fuel tank 8 are neatly put and kept certain distance.
The xsect of montant 3 is " L " shape, and the xsect of cross bar 5 is " protruding " font.
8 transformer oil sample valves are arranged on the front surface of cabinet 1, but the back of cabinet 1 is provided with the cabinet door 19 of folding, and display 31 and button 32 are arranged on the outside surface of cabinet door 19, and intelligent controller 33 is arranged on the inside surface of cabinet door 19.
The number of diverting valve 4 is 2,2 diverting valves 4 successively head and the tail are connected in series and are communicated with, the oil-out of fuel tank 8 is communicated with the oil-in of first diverting valve 4, and 8 oil-outs of 2 diverting valves are communicated with 8 transformer oil sample valves 11,12,13,14,15,16,17,18 oil-in respectively.
4 oil-outs of each diverting valve 4 are communicated with the oil-in of 4 transformer oil sample valves respectively.
The bottom surface of cabinet 1 is provided with Universal pulley 21; 8 transformer oil sample valves 11,12,13,14,15,16,17,18 type are different, and the quantity of transformer oil sample valve can increase and decrease as required.
Transformer oil sample valve one end is all identical with the joint of oil circuit junction, valve can be contained on any one joint location like this, realizes the interchangeability of valve.
During the work of this transformer oil sampling simulation device, at first air switch 34 is closed a floodgate and switch on, then touching design temperature on the LCD display, the parameter of the oil such as pressure, after finishing, setting presses the air pump operation, heating operation button, make air pump 10 work, pressure-air is delivered to gas-holder 9, gas is out shunted to tensimeter 7 and pressure-regulating valve 2 through threeway 6 from gas-holder 9, in pressure-regulating valve 2 gas inject fuel tank 8 out, from fuel tank 8 hydraulic oil process pressure transducer 30 out, arrive diverting valve 4, hydraulic oil is shunted to each sample valve the most at last, observe and touch oil pressure and the oil temperature that shows on the LCD display, the exercise of after they reach setting value, can taking a sample.
In this transformer oil sampling simulation device, the oil of analogue transformer is supplied with by fuel tank 8, for oil pressure and the transformer sample valve outlet oil pressure that can make the sample valve outlet is consistent, adopts the mode in fuel tank 8 interior pressurizations to solve; The source of the gas of pressurization is guaranteed by air pump 10, is provided with gas-holder 9 between air pump 10 and the fuel tank 8; In order to make sample valve oil-out pressure adjustable, between air pump 10 and fuel tank 8, set up again a pressure-regulating valve 2.Oil circuit between fuel tank 8 and the sample valve 11,12,13,14,15,16,17,18 is realized by diverting valve 4.
Claims (10)
1. transformer oil sampling simulation device, it is characterized in that: contain cabinet, outside surface at cabinet is provided with N transformer oil sample valve, in cabinet, be provided with air pump, gas-holder, threeway, tensimeter, pressure-regulating valve, fuel tank and diverting valve, the gas outlet of air pump is communicated with the entrance of gas-holder, the outlet of gas-holder is communicated with the air intake opening of manometric air intake opening and pressure-regulating valve respectively by threeway, the gas outlet of pressure-regulating valve is communicated with the air intake opening of fuel tank, the oil-out of fuel tank is communicated with the oil-in of diverting valve, and the N of a diverting valve oil-out is communicated with the oil-in of N transformer oil sample valve respectively; N is the natural number more than or equal to 1.
2. transformer oil sampling simulation device according to claim 1, it is characterized in that: also be provided with display and button on the outside surface of described cabinet, also be provided with intelligent controller in the cabinet, intelligent controller contains microprocessor, amplifying circuit, analog to digital conversion circuit, driving circuit, display interface circuit and power-switching circuit, microprocessor is connected with display by display interface circuit, the switching value input port of microprocessor is connected with button, connecting pipe between the oil-out of described fuel tank and the oil-in of diverting valve is provided with pressure transducer, the outer wall of fuel tank is provided with well heater, be provided with temperature sensor in the fuel tank, pressure transducer is connected output terminal and is connected with the signal input part of amplifying circuit with temperature sensor, the signal output part of amplifying circuit is connected with the signal input part of analog to digital conversion circuit, the signal output part of analog to digital conversion circuit is connected with the signal input part of microprocessor, the signal output part of microprocessor is connected with the signal input part of driving circuit, and the output terminal of driving circuit is connected with well heater with air pump; Power-switching circuit is microprocessor, amplifying circuit, analog to digital conversion circuit, driving circuit and display interface circuit power supply, the input termination electric main of power-switching circuit.
3. transformer oil sampling simulation device according to claim 2, it is characterized in that: the input end of described power-switching circuit connects electric main by air switch, and air switch is installed in the inside of cabinet; Button contains air pump operation button, air pump stops key, heats the operation button and heating stops key; Display is for touching LCD display; Well heater is heat tape, and the heat tape uniform winding is on the outer wall of fuel tank, and the outside of heat tape is provided with heat-insulation layer.
4. transformer oil sampling simulation device according to claim 3, it is characterized in that: the inside arranged on left and right sides of described cabinet respectively is fixed with a montant, is fixedly connected with a cross bar between the middle part of two montants; The number of described diverting valve is two, and two diverting valves are installed in respectively on two montants; Pressure-regulating valve, tensimeter, threeway and air switch are installed on the cross bar; Air pump, gas-holder and fuel tank are arranged on the bottom of cabinet.
5. transformer oil sampling simulation device according to claim 4 is characterized in that: the xsect of described montant is " L " shape, and the xsect of cross bar is " protruding " font.
6. transformer oil sampling simulation device according to claim 2, it is characterized in that: described N transformer oil sample valve is arranged on the front surface of cabinet, but the back of cabinet is provided with the cabinet door of folding, described display and button are arranged on the outside surface of cabinet door, and intelligent controller is arranged on the inside surface of cabinet door.
7. transformer oil sampling simulation device according to claim 1, it is characterized in that: the number of described diverting valve is M, M diverting valve successively head and the tail is connected in series and is communicated with, the oil-out of fuel tank is communicated with the oil-in of first diverting valve, and the N of a M diverting valve oil-out is communicated with the oil-in of N transformer oil sample valve respectively; M is the natural number more than or equal to 1.
8. transformer oil sampling simulation device according to claim 7, it is characterized in that: the number of described transformer oil sample valve is 8,4 oil-outs of each diverting valve are communicated with the oil-in of 4 transformer oil sample valves respectively.
9. transformer oil sampling simulation device according to claim 1, it is characterized in that: described fuel tank is the structure of sealing, and the top of fuel tank is provided with an oil filler, and oil filler is provided with gland bonnet, the oil-out of fuel tank is located on the gland bonnet, and the air intake opening of fuel tank is located at a side of oil filler.
10. transformer oil sampling simulation device according to claim 1, it is characterized in that: the bottom surface of described cabinet is provided with Universal pulley; The type of N transformer oil sample valve is different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210542097.XA CN103063476B (en) | 2012-12-14 | 2012-12-14 | Oil sampling analog device of transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210542097.XA CN103063476B (en) | 2012-12-14 | 2012-12-14 | Oil sampling analog device of transformer |
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| CN103063476A true CN103063476A (en) | 2013-04-24 |
| CN103063476B CN103063476B (en) | 2015-01-14 |
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| CN201210542097.XA Active CN103063476B (en) | 2012-12-14 | 2012-12-14 | Oil sampling analog device of transformer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738485A (en) * | 2016-04-08 | 2016-07-06 | 大连世有电力科技有限公司 | Intelligent storage device of oil for detecting transformer oil chromatography detecting device |
| CN112255351A (en) * | 2020-10-23 | 2021-01-22 | 成都佳信电气工程技术有限公司 | Online chromatogram standard oil preparation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738485A (en) * | 2016-04-08 | 2016-07-06 | 大连世有电力科技有限公司 | Intelligent storage device of oil for detecting transformer oil chromatography detecting device |
| CN112255351A (en) * | 2020-10-23 | 2021-01-22 | 成都佳信电气工程技术有限公司 | Online chromatogram standard oil preparation device |
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| Publication number | Publication date |
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| CN103063476B (en) | 2015-01-14 |
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