CN103996493B - Based on the pre-alarm transformer of oily turbidity monitor - Google Patents
Based on the pre-alarm transformer of oily turbidity monitor Download PDFInfo
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- CN103996493B CN103996493B CN201410191398.1A CN201410191398A CN103996493B CN 103996493 B CN103996493 B CN 103996493B CN 201410191398 A CN201410191398 A CN 201410191398A CN 103996493 B CN103996493 B CN 103996493B
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Abstract
The invention discloses a kind of pre-alarm transformer based on oily turbidity monitor, comprise oily turbidity monitoring device (5), temperature sensor (6), display unit (7) and warning device (8), oil turbidity monitoring device (5) comprises fixed value controller (501), first infrarede emitting diode (502a), first phototriode (502b), second infrarede emitting diode (503a), second phototriode (503b), signal processing circuit (504), memory (505), microprocessor (506) and power supply (507), first phototriode (502b), second phototriode (503b) is all connected with signal processing circuit (504), signal processing circuit (504), memory (505), microprocessor (506) successively order is connected, infrared light of the present invention, through after transformer oil, is received by phototriode, controls display unit display or warning device warning, easy to use, automatically monitors, can reflect the ruuning situation of transformer in real time.
Description
Technical field
The present invention relates to field transformer, particularly relate to a kind of pre-alarm transformer based on oily turbidity monitor.
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 DEG C more at ordinary times, and when transformer load is constant, oil temperature constantly rises, then should think that transformer temperature is abnormal, simultaneously, transformer oil has fresh oil and runs oil two kinds, fresh oil is glassy yellow, run the transparent micro-yellow of oil, when allowing transformer occur 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, the inner winding of easy generation is to the breakdown accident of transformer case, maintenance out of service answered by transformer, if can by the monitoring of transformer oil and then the operation of monitoring transformer, and carry out pre-alarm, transformer can be avoided 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 by the impact of transformer geographical environment, and sampling is complicated, and efficiency is low.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, a kind of pre-alarm transformer based on oily turbidity monitor is provided, can by the detection light source of infrarede emitting diode, through transformer oil, detect the turbidity that transmitted light intensity monitors transformer oil, and then monitoring transformer.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
Based on the pre-alarm transformer of oily turbidity monitor, comprise fuel tank, conservator, oily turbidity monitoring device, temperature sensor, display unit and warning device; Be provided with iron core winding in fuel tank, fuel tank and conservator are communicated by oil pipe, are provided with transformer oil in fuel tank and conservator, 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, first infrarede emitting diode, the first phototriode and power supply, fixed value controller are in series, second infrarede emitting diode, the second phototriode and power supply, fixed value controller are in series, and namely the first infrarede emitting diode and the first phototriode, the second infrarede emitting diode are in parallel after connecting with the second phototriode.Fixed value controller is used for providing definite value pumping signal.
First infrarede emitting diode, the first phototriode are arranged on two relative side wall inner surfaces faces of fuel tank, second infrarede emitting diode, the second phototriode are arranged on the inner surface of two relative sidewalls of oil cylinder, first infrarede emitting diode, the first phototriode, 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.
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 correlation 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.The temperature of transformer oil in fuel tank and conservator can be monitored, shown on the display apparatus by Microprocessor S3C44B0X.
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, and output interface is provided with over cap, prevents output interface from polluting under non-working condition.
Display unit by Bracket setting at fuel tank side-wall outer side.Thermal insulation board is provided with between display unit and fuel tank.Prevent fuel tank Heat Transfer Influence display unit from using.
The wall 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, first infrarede emitting diode, the second infrarede emitting diode produce definite value IR wavelengths, infrared light is through after transformer oil, received by the first phototriode, the second phototriode, by signal processing circuit by obtaining the correlation output characteristic of photosignal, be stored into memory, Microprocessor S3C44B0X display unit display simultaneously or warning device are reported to the police.Easy to use, automatically monitor, the ruuning situation of transformer can be reflected in real time, and then pre-alarm.
Further, output interface comprises Ethernet interface, RS485 interface and USB interface.By the detection data of output interface direct transmission transformer oil monitoring device, transfer of data can be facilitated, the remote monitoring of transformer can be realized.
Further, output interface is fixedly installed on the side of fuel tank, and output interface is provided with over cap.Output interface, under the state do not used, covers over cap, prevents 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, based on the pre-alarm transformer of oily turbidity monitor, comprise fuel tank 1, conservator 2, oily turbidity monitoring device 5, temperature sensor 6, display unit 7 and warning device 8; Be provided with iron core winding in fuel tank 1, fuel tank 1 and conservator 2 are communicated by oil pipe 3, are provided with transformer oil in fuel tank 1 and conservator 2, 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, first infrarede emitting diode 502a, first phototriode 502b, second infrarede emitting diode 503a, second phototriode 503b, signal processing circuit 504, memory 505, microprocessor 506 and power supply 507, first infrarede emitting diode 502a, first phototriode 502b and power supply 507, fixed value controller 501 is in series, second infrarede emitting diode 503a, 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 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.
First infrarede emitting diode 502a, first phototriode 502b is arranged on two relative side wall inner surfaces faces of fuel tank, second infrarede emitting diode 503a, second phototriode 503b is arranged on the inner surface of two relative sidewalls of oil cylinder, first infrarede emitting diode 502a, first phototriode 502b, second infrarede emitting diode 503a, second phototriode 503b should be arranged on same straight line, like this, first infrarede emitting diode 502a, the infrared light that second infrarede emitting diode 503a sends can be received by corresponding phototriode.
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 correlation 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.The temperature of transformer oil in fuel tank and conservator can be monitored, shown on the display apparatus by Microprocessor S3C44B0X.
Oil turbidity monitoring device 5 also comprises output interface 508, and output interface 508 is connected with microprocessor 506.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, and output interface is provided with over cap, prevents output interface from polluting under non-working condition.
Display unit 7 by Bracket setting at fuel tank 1 side-wall outer side.Thermal insulation board is provided with between display unit 7 and fuel tank 1.Prevent fuel tank Heat Transfer Influence display unit from using.
The wall 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 (7)
1. based on the pre-alarm transformer of oily turbidity monitor, comprise fuel tank (1) and conservator (2), described fuel tank is provided with iron core winding in (1), described fuel tank (1) and conservator (2) are communicated by oil pipe (3), transformer oil is provided with in described fuel tank (1) and conservator (2), 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), first infrarede emitting diode (502a), first phototriode (502b), second infrarede emitting diode (503a), second phototriode (503b), signal processing circuit (504), memory (505), microprocessor (506) and power supply (507), described first infrarede emitting diode (502a), first phototriode (502b) and power supply (507), fixed value controller (501) is in series, second infrarede emitting diode (503a), second phototriode (503b) and power supply (507), fixed value controller (501) is in series, described first infrarede emitting diode (502a), first phototriode (502b) is arranged on two relative side wall inner surfaces faces of fuel tank, described second infrarede emitting diode (503a), second phototriode (503b) is arranged on the inner surface of two relative sidewalls of oil cylinder,
Described 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);
Described temperature sensor (6) comprises the first temperature sensor and the second temperature sensor, described first temperature sensor and the second temperature sensor are separately positioned in fuel tank and conservator, and described first temperature sensor and the second temperature sensor are all connected with microprocessor (506);
Described oily turbidity monitoring device (5) also comprises output interface (508), and described output interface (508) is connected with microprocessor (506).
2. the pre-alarm transformer based on oily turbidity monitor according to claim 1, is characterized in that: described output interface (508) comprises Ethernet interface, RS485 interface and USB interface.
3. the pre-alarm transformer based on oily turbidity monitor according to claim 1, is characterized in that: described output interface (508) is fixedly installed on the side of fuel tank (1), and described output interface is provided with over cap.
4. the pre-alarm transformer based on oily turbidity monitor according to claim 1, is characterized in that: described display unit (7) by Bracket setting at fuel tank (1) side-wall outer side.
5. the pre-alarm transformer based on oily turbidity monitor according to claim 4, is characterized in that: be provided with thermal insulation board between display unit (7) and fuel tank (1).
6. the pre-alarm transformer based on oily turbidity monitor according to claim 1, is characterized in that: the wall outer surface of described fuel tank (1) is provided with fin.
7. the pre-alarm transformer based on oily turbidity monitor 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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| 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 CN103996493A (en) | 2014-08-20 |
| CN103996493B true CN103996493B (en) | 2016-02-10 |
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| 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 |
| 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 | 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 |
| CN102072889B (en) * | 2010-11-24 | 2013-04-10 | 三一矿机有限公司 | Hydraulic oil pollution degree detection method and device |
| CN102539283A (en) * | 2011-01-06 | 2012-07-04 | 北京盈胜泰科技术有限公司 | System for monitoring ingredient change of insulating oil of transformer |
| EP2769205A1 (en) * | 2011-10-21 | 2014-08-27 | 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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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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