CN103996493A - Pre-alarm transformer based on oil turbidity monitoring - Google Patents
Pre-alarm transformer based on oil turbidity monitoring Download PDFInfo
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- CN103996493A CN103996493A CN201410191398.1A CN201410191398A CN103996493A CN 103996493 A CN103996493 A CN 103996493A CN 201410191398 A CN201410191398 A CN 201410191398A CN 103996493 A CN103996493 A CN 103996493A
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- phototriode
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- temperature sensor
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Abstract
The invention discloses a pre-alarm transformer based on oil turbidity monitoring. The pre-alarm transformer comprises an oil turbidity monitoring device (5), a temperature sensor (6), a display device (7) and an alarming device (8). The oil turbidity monitoring device (5) comprises a constant value controller (501), a first infrared light emitting diode (502a), a first phototriode (502b), a second infrared light emitting diode (503a), a second phototriode (503b), a signal processing circuit (504), a memorizer (505), a microprocessor (506) and a power supply (507). The first phototriode (502b) and the second phototriode (503b) are both connected with the signal processing circuit (504), and the signal processing circuit (504), the memorizer (505) and the microprocessor (506) are sequentially connected. After transmitting oil of the transformer, infrared light is received by the phototriodes, the display device is controlled to conduct display or the alarming device is controlled to give an alarm, and the pre-alarm transformer based on oil turbidity monitoring is convenient to use and capable of achieving automatic monitoring and reflecting the running condition of the transformer in real time.
Description
Technical field
The present invention relates to field transformer, relate in particular to a kind of pre-alarm transformer based on oily turbidity monitoring.
Background technology
Transformer oil plays insulation, cooling effect in transformer use procedure, and under normal duty and normal cooling condition, transformer upper strata oil temperature exceeds 10 ℃ more at ordinary times, and when transformer load is constant, oil temperature constantly rises, and should think that transformer temperature is abnormal, simultaneously, transformer oil has fresh oil and moves two kinds of oil, fresh oil is glassy yellow, operation oil is transparent micro-yellow, allow transformer occur when abnormal, carbon granules in transformer oil, moisture and sour potassium can increase, this is that transformer oil shining point reduces, dielectric strength reduces, oil declines, easily there is the breakdown accident of inner winding to transformer case, transformer is answered maintenance out of service, if can be by the monitoring of transformer oil and then the operation of monitoring transformer, and carry out pre-alarm, can avoid transformer to have an accident, improve the useful life of security performance and transformer.
In prior art, the monitoring of transformer oil is generally analyzed by manual sampling, has randomness, and sampling is subject to the impact of transformer geographical environment, and sampling is complicated, and efficiency is low.
Summary of the invention
The present invention has overcome the deficiencies in the prior art, a kind of pre-alarm transformer based on oily turbidity monitoring is provided, can be by the detection light source of infrarede emitting diode, through transformer oil, detect transmitted light intensity and monitor the turbidity of transformer oil, and then monitoring transformer.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Pre-alarm transformer based on oily turbidity monitoring, comprises fuel tank, conservator, oily turbidity monitoring device, temperature sensor, display unit and warning device; In fuel tank, be provided with iron core winding, fuel tank and conservator communicate by oil pipe, in fuel tank and conservator, are provided with transformer oil, and bushing and low-tension bushing all stretch out fuel tank end face.Display unit and warning device are all arranged on fuel tank sidewall.
Oil turbidity monitoring device comprises fixed value controller, the first infrarede emitting diode, the first phototriode, the second infrarede emitting diode, the second phototriode, signal processing circuit, memory, microprocessor and power supply, the first infrarede emitting diode, the first phototriode and power supply, fixed value controller are in series, the second infrarede emitting diode, the second phototriode and power supply, fixed value controller are in series, and the first infrarede emitting diode is connected rear in parallel with the first phototriode, the second infrarede emitting diode with the second phototriode.Fixed value controller is used for providing definite value pumping signal.
The first infrarede emitting diode, the first phototriode are arranged on two side wall inner surfaces faces that fuel tank is relative, the second infrarede emitting diode, the second phototriode are arranged on the inner surface of two sidewalls that oil cylinder is relative, the first infrarede emitting diode, the first phototriode, the second infrarede emitting diode, the second phototriode should be arranged on same straight line, like this, the infrared light that the first infrarede emitting diode, the second infrarede emitting diode send can be received by corresponding phototriode.
The first phototriode, the second phototriode are all connected with signal processing circuit, and signal processing circuit, memory, microprocessor successively order are connected, and microprocessor is connected with warning device with display unit.Signal processing circuit is for obtaining the relevant output characteristic of photosignal, and signal processing circuit is prior art, and the processing procedure of signal processing circuit does not belong to improvement content of the present invention.
Temperature sensor is connected with microprocessor.Temperature sensor comprises the first temperature sensor and the second temperature sensor, and the first temperature sensor and the second temperature sensor are separately positioned in fuel tank and conservator, and the first temperature sensor is all connected with microprocessor with the second temperature sensor.Can monitor the temperature of transformer oil in fuel tank and conservator, by microprocessor, control and be presented in display unit.
Oil turbidity monitoring device also comprises output interface, and output interface is connected with microprocessor.Output interface comprises Ethernet interface, RS485 interface and USB interface.Remote monitoring output interface is provided.
Output interface is fixedly installed on the side of fuel tank, is provided with over cap on output interface, prevents that output interface from polluting under non-working condition.
Display unit is arranged on fuel tank sidewall outside by support.Between display unit and fuel tank, be provided with thermal insulation board.Prevent the use of fuel tank Heat Transfer Influence display unit.
The sidewall outer surface of fuel tank is provided with fin.
Conservator is outside equipped with fuel contents gauge.Fluid amount in monitoring conservator.
Compared with prior art, beneficial effect of the present invention has: fixed value controller of the present invention produces definite value pumping signal, the first infrarede emitting diode, the second infrarede emitting diode produce definite value wavelength infrared light, infrared light is through after transformer oil, by the first phototriode, the second phototriode, received, by signal processing circuit, by obtaining the relevant output characteristic of photosignal, store memory into, microprocessor is controlled display unit demonstration or warning device warning simultaneously.Easy to use, automatically monitor, can reflect in real time the ruuning situation of transformer, and then pre-alarm.
Further, output interface comprises Ethernet interface, RS485 interface and USB interface.Can facilitate transfer of data by the detection data of the direct transmission transformer oil of output interface monitoring device, can realize the remote monitoring of transformer.
Further, output interface is fixedly installed on the side of fuel tank, is provided with over cap on output interface.Output interface, under obsolete state, covers over cap, prevents that output interface from polluting.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is overall schematic of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
As depicted in figs. 1 and 2, the pre-alarm transformer based on oily turbidity monitoring, comprises fuel tank 1, conservator 2, oily turbidity monitoring device 5, temperature sensor 6, display unit 7 and warning device 8; In fuel tank 2, be provided with iron core winding, fuel tank 1 and conservator 2 communicate by oil pipe 3, in fuel tank 1 and conservator 2, are provided with transformer oil, and bushing 401 and low-tension bushing 402 all stretch out fuel tank end face.Display unit 7 and warning device 8 are all arranged on the sidewall of fuel tank 1.
Oil turbidity monitoring device 5 comprises fixed value controller 501, the first infrarede emitting diode 502a, the first phototriode 502b, the second infrarede emitting diode 503a, the second phototriode 503b, signal processing circuit 504, memory 505, microprocessor 506 and power supply 507, the first infrarede emitting diode 502a, the first phototriode 502b and power supply 507, fixed value controller 501 is in series, the second infrarede emitting diode 503a, the second phototriode 503b and power supply 507, fixed value controller 501 is in series, i.e. the first infrarede emitting diode 502a and the first phototriode 502b, it is in parallel after the second infrarede emitting diode 503a connects with the second phototriode 503b.Fixed value controller 501 and the first infrarede emitting diode 502a, the second infrarede emitting diode 503a be connected, fixed value controller 501 is for providing definite value pumping signal.
The first infrarede emitting diode 502a, the first phototriode 502b is arranged on two side wall inner surfaces faces that fuel tank is relative, the second infrarede emitting diode 503a, the second phototriode 503b is arranged on the inner surface of two sidewalls that oil cylinder is relative, the first infrarede emitting diode 502a, the first phototriode 502b, the second infrarede emitting diode 503a, the second phototriode 503b should be arranged on same straight line, like this, the first infrarede emitting diode 502a, the infrared light that the second infrarede emitting diode 503a sends can be received by corresponding phototriode.
The first phototriode 502b, the second phototriode 503b are all connected with signal processing circuit 504, and signal processing circuit 504, memory 505, microprocessor 506 successively order are connected, and microprocessor 506 is connected with warning device 8 with display unit 7.Signal processing circuit is for obtaining the relevant output characteristic of photosignal, and signal processing circuit is prior art, and the processing procedure of signal processing circuit does not belong to improvement content of the present invention.
Temperature sensor 6 is connected with microprocessor 506.Temperature sensor 6 comprises the first temperature sensor and the second temperature sensor, and the first temperature sensor and the second temperature sensor are separately positioned in fuel tank and conservator, and the first temperature sensor is all connected with microprocessor 506 with the second temperature sensor.Can monitor the temperature of transformer oil in fuel tank and conservator, by microprocessor, control and be presented in display unit.
Oil turbidity monitoring device 5 also comprises output interface 508, and output interface 508 is connected with microprocessor 504.Output interface 508 comprises Ethernet interface, RS485 interface and USB interface.Remote monitoring output interface is provided.
Output interface 508 is fixedly installed on the side of fuel tank 1, is provided with over cap on output interface, prevents that output interface from polluting under non-working condition.
Display unit 505 is arranged on fuel tank 1 sidewall outside by support.Between display unit 505 and fuel tank 1, be provided with thermal insulation board.Prevent the use of fuel tank Heat Transfer Influence display unit.
The sidewall outer surface of fuel tank 1 is provided with fin.
Conservator 2 is outside equipped with fuel contents gauge 9.Fuel contents gauge utilizes the law of connected vessels of liquid, and fuel contents gauge dignity communicates with conservator, and the liquid level of fuel contents gauge is identical with liquid level in conservator, the fluid amount in monitoring conservator.
Below be only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. the pre-alarm transformer of monitoring based on oily turbidity, comprise fuel tank (1) and conservator (2), described fuel tank is provided with iron core winding in (2), described fuel tank (1) and conservator (2) communicate by oil pipe (3), in described fuel tank (1) and conservator (2), be provided with transformer oil, bushing (401) and low-tension bushing (402) all stretch out fuel tank end face, it is characterized in that, also comprise oily turbidity monitoring device (5), temperature sensor (6), display unit (7) and warning device (8);
Described oily turbidity monitoring device (5) comprises fixed value controller (501), the first infrarede emitting diode (502a), the first phototriode (502b), the second infrarede emitting diode (503a), the second phototriode (503b), signal processing circuit (504), memory (505), microprocessor (506) and power supply (507), described the first infrarede emitting diode (502a), the first phototriode (502b) and power supply (507), fixed value controller (501) is in series, the second infrarede emitting diode (503a), the second phototriode (503b) and power supply (507), fixed value controller (501) is in series, described the first infrarede emitting diode (502a), the first phototriode (502b) is arranged on two side wall inner surfaces faces that fuel tank is relative, described the second infrarede emitting diode (503a), the second phototriode (503b) is arranged on the inner surface of two sidewalls that oil cylinder is relative,
Described the first phototriode (502b), the second phototriode (503b) are all connected with signal processing circuit (504), described signal processing circuit (504), memory (505), microprocessor (506) successively order are connected, and described microprocessor (506) is connected with warning device (8) with display unit (7);
Described temperature sensor (6) is connected with microprocessor (506).
2. the pre-alarm transformer based on the monitoring of oily turbidity according to claim 1, it is characterized in that: described temperature sensor (6) comprises the first temperature sensor and the second temperature sensor, described the first temperature sensor and the second temperature sensor are separately positioned in fuel tank and conservator, and described the first temperature sensor is all connected with microprocessor (506) with the second temperature sensor.
3. the pre-alarm transformer based on oily turbidity monitoring according to claim 1, is characterized in that: described oily turbidity monitoring device (5) also comprises output interface (508), and described output interface (508) is connected with microprocessor (504).
4. the pre-alarm transformer based on oily turbidity monitoring according to claim 3, is characterized in that: described output interface (508) comprises Ethernet interface, RS485 interface and USB interface.
5. the pre-alarm transformer based on oily turbidity monitoring according to claim 3, is characterized in that: described output interface (508) is fixedly installed on the side of fuel tank (1), on described output interface, is provided with over cap.
6. the pre-alarm transformer based on oily turbidity monitoring according to claim 1, is characterized in that: described display unit (505) is arranged on fuel tank (1) sidewall outside by support.
7. the pre-alarm transformer based on oily turbidity monitoring according to claim 6, is characterized in that: between display unit (505) and fuel tank (1), be provided with thermal insulation board.
8. the pre-alarm transformer based on oily turbidity monitoring according to claim 1, is characterized in that: the sidewall outer surface of described fuel tank (1) is provided with fin.
9. the pre-alarm transformer based on oily turbidity monitoring according to claim 1, is characterized in that: described conservator (2) is outside equipped with fuel contents gauge (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191398.1A CN103996493B (en) | 2014-05-08 | 2014-05-08 | Based on the pre-alarm transformer of oily turbidity monitor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410191398.1A CN103996493B (en) | 2014-05-08 | 2014-05-08 | Based on the pre-alarm transformer of oily turbidity monitor |
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| CN103996493A true CN103996493A (en) | 2014-08-20 |
| CN103996493B CN103996493B (en) | 2016-02-10 |
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| CN201410191398.1A Active CN103996493B (en) | 2014-05-08 | 2014-05-08 | Based on the pre-alarm transformer of oily turbidity monitor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535480A (en) * | 2014-11-26 | 2015-04-22 | 四川凯乐检测技术有限公司 | Oil pollution degree detection sensor provided with fluorine-containing epoxy resin coating layer |
| CN110411984A (en) * | 2019-09-03 | 2019-11-05 | 南京无书化工有限公司 | A kind of transformer oil turbidity and colorimetric detection integrated transducer |
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| CN1303010A (en) * | 2000-01-04 | 2001-07-11 | 本溪钢铁公司机电安装工程公司 | Device and method for detecting oil pollution |
| CN102072889A (en) * | 2010-11-24 | 2011-05-25 | 三一重机有限公司 | Hydraulic oil pollution degree detection method and device |
| CN102538869A (en) * | 2011-01-06 | 2012-07-04 | 北京盈胜泰科技术有限公司 | System and method for monitoring liquid oil quality |
| WO2013059032A1 (en) * | 2011-10-21 | 2013-04-25 | Abb Technology Ag | Sensor structure for online monitoring of furans in power transformers |
| CN203850098U (en) * | 2014-05-08 | 2014-09-24 | 昆山佑翔电子科技有限公司 | Pre-alarm transformer based on oil turbidity monitoring |
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2014
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1303010A (en) * | 2000-01-04 | 2001-07-11 | 本溪钢铁公司机电安装工程公司 | Device and method for detecting oil pollution |
| CN102072889A (en) * | 2010-11-24 | 2011-05-25 | 三一重机有限公司 | Hydraulic oil pollution degree detection method and device |
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| WO2013059032A1 (en) * | 2011-10-21 | 2013-04-25 | Abb Technology Ag | Sensor structure for online monitoring of furans in power transformers |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535480A (en) * | 2014-11-26 | 2015-04-22 | 四川凯乐检测技术有限公司 | Oil pollution degree detection sensor provided with fluorine-containing epoxy resin coating layer |
| CN110411984A (en) * | 2019-09-03 | 2019-11-05 | 南京无书化工有限公司 | A kind of transformer oil turbidity and colorimetric detection integrated transducer |
| CN110411984B (en) * | 2019-09-03 | 2024-01-05 | 南京无书化工有限公司 | Transformer oil turbidity and chromaticity detection integrated sensor |
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| Publication number | Publication date |
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| CN103996493B (en) | 2016-02-10 |
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Effective date of registration: 20180320 Address after: 518000 Guangdong Province, Shenzhen New District of Longhua City, Dalang street, Longsheng Gold Dragon Road community e-commerce incubator exhibition Tao Commercial Plaza E block 706 Patentee after: Shenzhen step Technology Transfer Center Co., Ltd. Address before: 215325 Kunshan, Suzhou, Zhouzhuang Town Industrial Park Ming Road Patentee before: Kunshan Youxiang Electronic Technology Co., Ltd. |
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Effective date of registration: 20181019 Address after: 221700 Fengxian County Shahe Industrial Park, Jiangsu Patentee after: Xuzhou huaptek Petroleum Equipment Co., Ltd. Address before: 518000 Guangdong Shenzhen Longhua New District big wave street Longsheng community Tenglong road gold rush e-commerce incubation base exhibition hall E commercial block 706 Patentee before: Shenzhen step Technology Transfer Center Co., Ltd. |
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Address after: 221700 Fengxian County Shahe Industrial Park, Jiangsu Patentee after: Jiangsu huaptek Petroleum Equipment Co., Ltd. Address before: 221700 Fengxian County Shahe Industrial Park, Jiangsu Patentee before: Xuzhou huaptek Petroleum Equipment Co., Ltd. |
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