CN114136928A - An oil contamination monitoring system based on photoelectric technology - Google Patents
An oil contamination monitoring system based on photoelectric technology Download PDFInfo
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- CN114136928A CN114136928A CN202111590137.3A CN202111590137A CN114136928A CN 114136928 A CN114136928 A CN 114136928A CN 202111590137 A CN202111590137 A CN 202111590137A CN 114136928 A CN114136928 A CN 114136928A
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- 238000005516 engineering process Methods 0.000 title claims abstract description 10
- 238000012544 monitoring process Methods 0.000 title claims abstract description 10
- 238000011109 contamination Methods 0.000 title claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 238000005286 illumination Methods 0.000 claims abstract description 19
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 18
- 238000012545 processing Methods 0.000 claims description 8
- 238000004891 communication Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 13
- 238000000034 method Methods 0.000 description 5
- 239000007788 liquid Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 235000013405 beer Nutrition 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000000007 visual effect Effects 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
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/59—Transmissivity
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Abstract
An oil contamination degree monitoring system based on a photoelectric technology comprises an oil sample container, contaminated oil to be detected is injected into the oil sample container, a near-infrared light-emitting diode is arranged above the oil sample container, a photoelectric detector is arranged in the oil sample container, and incident light emitted by the near-infrared light-emitting diode irradiates the photoelectric detector after passing through the contaminated oil; the intelligent detection system is characterized by further comprising a single chip microcomputer, an A/D conversion chip, a liquid crystal display screen, a WIFI module and a mobile terminal, wherein the photoelectric detector is connected with the A/D conversion chip, and the A/D conversion chip, the liquid crystal display screen, the WIFI module and the mobile terminal are all connected with the single chip microcomputer. According to the invention, the difference value between the illumination intensity received by the photoelectric detector and the incident illumination intensity is used as the analysis data of oil pollution, so that the level of the oil pollution can be accurately and conveniently analyzed.
Description
Technical Field
The invention relates to an oil contamination degree monitoring system based on a photoelectric technology, and belongs to the technical field of solution detection.
Background
Practical experience shows that pollution is a main cause of system failure, and solid particle fragments of equipment wear such as scrap iron and the like can continuously fall into oil liquid when the equipment is used in a severe environment for a long time under high load, and the solid particle fragments are one of key factors which cause severe wear of components and parts and obviously reduce reliability and accuracy. The hazards of oil liquid solid particle pollution include abrasion, silting, jamming, seizure and the like.
The detection method for mechanical impurities in the prior art mainly comprises a visual method and a gravimetric method, and when the two methods are used for detection, the requirement on the measurement environment is high, only an approximate total weight value of oil and pollution particles can be obtained, and a fine oil pollution degree difference value cannot be distinguished.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides an oil pollution degree monitoring system based on a photoelectric technology, which can conveniently detect oil pollution, is suitable for various detection environments, can distinguish the oil pollution degree and has high detection precision.
In order to achieve the purpose, the invention provides an oil contamination degree monitoring system based on a photoelectric technology, which comprises an oil sample container, wherein contaminated oil to be detected is injected into the oil sample container, a near-infrared light-emitting diode is arranged above the oil sample container, a photoelectric detector is arranged in the oil sample container, and incident light emitted by the near-infrared light-emitting diode irradiates the photoelectric detector after passing through the contaminated oil; the system comprises a photoelectric detector, an A/D conversion chip, a liquid crystal display screen, a WIFI module and a mobile terminal, wherein the photoelectric detector is connected with the A/D conversion chip, and the A/D conversion chip, the liquid crystal display screen, the WIFI module and the mobile terminal are all connected with the single chip;
the photoelectric detector is used for detecting the illumination intensity and sending a detected illumination intensity data signal to the A/D conversion chip in real time;
the A/D conversion chip is used for converting the received illumination intensity data signal and sending the converted data signal to the single chip microcomputer for processing and analysis;
the WIFI module is used for establishing communication between the single chip microcomputer and the mobile terminal;
the mobile terminal is used for setting a detection threshold value and a grade interval and transmitting digital signals of the set detection threshold value and the grade interval to the single chip microcomputer through the WIFI module;
the single chip microcomputer is used for receiving the converted illumination intensity data signals sent by the A/D conversion chip, processing and analyzing the received data signals, comparing the received data signals with a set detection threshold value, and sending the result to the liquid crystal display screen for displaying; meanwhile, the singlechip receives an instruction sent by the mobile terminal.
And the alarm module is connected with the singlechip and used for executing an alarm instruction sent by the singlechip when the detection result exceeds a set threshold value.
Further, the type of the single chip microcomputer is STC89C 52; the liquid crystal display screen is of the type LCD 1602; the photoelectric detector is a photoresistor; the WIFI module is ESP 8266; the alarm module is a buzzer.
According to the invention, the near-infrared light-emitting diode is arranged above the oil sample container filled with the oil liquid to be detected, the photoelectric detector is arranged in the oil sample container, incident light emitted by the near-infrared light-emitting diode irradiates the photoelectric detector after passing through the polluted oil liquid, the photoelectric detector sends detected illumination intensity data signals to the A/D conversion chip in real time for conversion and sending to the single chip microcomputer for processing and analysis, the data signals are compared with a set detection threshold value, and the result is sent to the liquid crystal display screen for display, so that the detection personnel can conveniently check the data signals, and meanwhile, in order to alarm the severe pollution result exceeding the detection threshold value, the alarm module is also arranged to remind related working personnel. According to the invention, the difference value between the illumination intensity received by the photoelectric detector and the incident illumination intensity is used as the analysis data of oil pollution, so that the level of the oil pollution can be accurately and conveniently analyzed.
Drawings
FIG. 1 is a functional block diagram of the present invention;
FIG. 2 is a flow chart of the operation of the present invention;
FIG. 3 is a circuit diagram of a master control of the single chip microcomputer;
FIG. 4 is a circuit diagram of a liquid crystal display;
FIG. 5 is a circuit diagram of a mobile terminal key;
FIG. 6 is a circuit diagram of a photodetector;
fig. 7 is a circuit diagram of a WIFI module;
fig. 8 is a circuit diagram of an alarm module.
Detailed Description
The invention will be further explained with reference to the drawings.
As shown in fig. 1 and 2, an oil contamination degree monitoring system based on a photoelectric technology includes an oil sample container, contaminated oil to be detected is injected into the oil sample container, a near-infrared light-emitting diode is arranged above the oil sample container, a photoelectric detector is arranged inside the oil sample container, and incident light emitted by the near-infrared light-emitting diode irradiates the photoelectric detector after passing through the contaminated oil; the system comprises a photoelectric detector, an A/D conversion chip, a liquid crystal display screen, a WIFI module and a mobile terminal, wherein the photoelectric detector is connected with the A/D conversion chip, and the A/D conversion chip, the liquid crystal display screen, the WIFI module and the mobile terminal are all connected with the single chip;
the photoelectric detector is used for detecting the illumination intensity and sending a detected illumination intensity data signal to the A/D conversion chip in real time;
the A/D conversion chip is used for converting the received illumination intensity data signal and sending the converted data signal to the single chip microcomputer for processing and analysis;
the WIFI module is used for establishing communication between the single chip microcomputer and the mobile terminal;
the mobile terminal is used for setting a detection threshold value and a grade interval and transmitting digital signals of the set detection threshold value and the grade interval to the single chip microcomputer through the WIFI module;
the single chip microcomputer is used for receiving the converted illumination intensity data signals sent by the A/D conversion chip, processing and analyzing the received data signals, comparing the received data signals with a set detection threshold value, and sending the result to the liquid crystal display screen for displaying; meanwhile, the singlechip receives an instruction sent by the mobile terminal.
In order to alarm and remind the detection result when the detection result exceeds the set threshold, the alarm module is also arranged and is connected with the singlechip, and when the detection result exceeds the set threshold, the alarm module is used for executing an alarm instruction sent by the singlechip.
As a preferable mode, the model of the single chip microcomputer is STC89C52, and the model of the liquid crystal display screen is LCD 1602; the photoelectric detector is a photoresistor; the WIFI module is ESP 8266; the alarm module is a buzzer.
FIG. 3 shows a circuit diagram of the main control circuit of the single chip microcomputer;
FIG. 4 shows a circuit diagram of a liquid crystal display;
FIG. 5 shows a key circuit diagram of the mobile terminal;
FIG. 6 shows a circuit diagram of a photodetector;
fig. 7 shows a circuit diagram of the WIFI module;
fig. 8 shows a circuit diagram of the alarm module.
The working process is as follows: firstly, light rays emitted by an infrared light emitting diode are taken as incident light and are irradiated into a container from the upper part of an oil sample container, the incident light rays pass through polluted oil to be detected in the oil sample container and then are irradiated on a photoelectric detector arranged in the container, the photoelectric detector transmits a received illumination intensity data signal to an A/D conversion chip for conversion and then transmits the converted signal to a single chip microcomputer for processing and analysis, and the single chip microcomputer compares and matches the received illumination intensity data signal with a set threshold value and a pollution grade interval and then outputs a result to a liquid crystal display screen for display; meanwhile, the mobile terminal sets a threshold value and a pollution level interval of oil detection through the key module and sends related data signals to the single chip microcomputer through the WIFI module. Through the inference verification of beer law and Lambert law, fluid concentration is relevant with incident light intensity and emergent light intensity's ratio, and the luminousness is carried out subsequent experiment verification as test standard with the luminousness promptly, carries out analysis processes to the emergent light intensity data that the photoelectric detector detected again, obtains the level of fluid pollution to show at mobile terminal's long-range APP end.
Claims (3)
1. An oil contamination degree monitoring system based on a photoelectric technology is characterized by comprising an oil sample container, wherein contaminated oil to be detected is injected into the oil sample container, a near-infrared light-emitting diode is arranged above the oil sample container, a photoelectric detector is arranged in the oil sample container, and incident light emitted by the near-infrared light-emitting diode irradiates the photoelectric detector after passing through the contaminated oil; the system comprises a photoelectric detector, an A/D conversion chip, a liquid crystal display screen, a WIFI module and a mobile terminal, wherein the photoelectric detector is connected with the A/D conversion chip, and the A/D conversion chip, the liquid crystal display screen, the WIFI module and the mobile terminal are all connected with the single chip;
the photoelectric detector is used for detecting the illumination intensity and sending a detected illumination intensity data signal to the A/D conversion chip in real time;
the A/D conversion chip is used for converting the received illumination intensity data signal and sending the converted data signal to the single chip microcomputer for processing and analysis;
the WIFI module is used for establishing communication between the single chip microcomputer and the mobile terminal;
the mobile terminal is used for setting a detection threshold value and a grade interval and transmitting digital signals of the set detection threshold value and the grade interval to the single chip microcomputer through the WIFI module;
the single chip microcomputer is used for receiving the converted illumination intensity data signals sent by the A/D conversion chip, processing and analyzing the received data signals, comparing the received data signals with a set detection threshold value, and sending the result to the liquid crystal display screen for displaying; meanwhile, the singlechip receives an instruction sent by the mobile terminal.
2. The oil contamination degree monitoring system based on the photoelectric technology as claimed in claim 1, further comprising an alarm module, wherein the alarm module is connected to the single chip microcomputer, and is configured to execute an alarm command sent by the single chip microcomputer when a detection result exceeds a set threshold value.
3. The oil contamination degree monitoring system based on the photoelectric technology as claimed in claim 1 or 2, wherein the single chip microcomputer is of the type STC89C 52; the liquid crystal display screen is of the type LCD 1602; the photoelectric detector is a photoresistor; the WIFI module is ESP 8266; the alarm module is a buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111590137.3A CN114136928A (en) | 2021-12-23 | 2021-12-23 | An oil contamination monitoring system based on photoelectric technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111590137.3A CN114136928A (en) | 2021-12-23 | 2021-12-23 | An oil contamination monitoring system based on photoelectric technology |
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| CN114136928A true CN114136928A (en) | 2022-03-04 |
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| CN202111590137.3A Pending CN114136928A (en) | 2021-12-23 | 2021-12-23 | An oil contamination monitoring system based on photoelectric technology |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204330538U (en) * | 2014-11-26 | 2015-05-13 | 四川凯乐检测技术有限公司 | Based on the contamination level of oil liquid detecting sensor of photovoltaic principals |
| CN204330572U (en) * | 2014-11-26 | 2015-05-13 | 四川凯乐检测技术有限公司 | A kind of Oil Contamination in Hydraulic System detection system based on photovoltaic principals |
| CN109029722A (en) * | 2018-08-21 | 2018-12-18 | 苏州经贸职业技术学院 | A kind of safe irradiation time measuring and calculating warning device of ultraviolet light and its alarm method |
| CN113156093A (en) * | 2021-04-26 | 2021-07-23 | 沈阳大工先进技术发展有限公司 | Oil liquid detection system and detection method |
-
2021
- 2021-12-23 CN CN202111590137.3A patent/CN114136928A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204330538U (en) * | 2014-11-26 | 2015-05-13 | 四川凯乐检测技术有限公司 | Based on the contamination level of oil liquid detecting sensor of photovoltaic principals |
| CN204330572U (en) * | 2014-11-26 | 2015-05-13 | 四川凯乐检测技术有限公司 | A kind of Oil Contamination in Hydraulic System detection system based on photovoltaic principals |
| CN109029722A (en) * | 2018-08-21 | 2018-12-18 | 苏州经贸职业技术学院 | A kind of safe irradiation time measuring and calculating warning device of ultraviolet light and its alarm method |
| CN113156093A (en) * | 2021-04-26 | 2021-07-23 | 沈阳大工先进技术发展有限公司 | Oil liquid detection system and detection method |
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