CN105181546A - Mine-used dust concentration sensor having automatic cleaning function - Google Patents
Mine-used dust concentration sensor having automatic cleaning function Download PDFInfo
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- CN105181546A CN105181546A CN201510703735.5A CN201510703735A CN105181546A CN 105181546 A CN105181546 A CN 105181546A CN 201510703735 A CN201510703735 A CN 201510703735A CN 105181546 A CN105181546 A CN 105181546A
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Abstract
The invention provides a mine-used dust concentration sensor having the automatic cleaning function. The sensor comprises a sensor shell, the sensor shell is provided with an air inlet nozzle and an air outlet, a monitoring dark chamber is formed inside the sensor shell, the monitoring dark chamber comprises a scattering chamber body and a monitoring chamber body, the scattering chamber body is communicated with the air inlet nozzle and the air outlet, a laser device is arranged, the monitoring chamber body is provided with a photosensitive diode and a circulation pipeline, the two ends of the circulation pipeline are communicated with the monitoring chamber body and arranged oppositely, and the circulation pipeline is internally provided with a circulating fan and a dust filter screen; the sensor is characterized in that when dust concentration is detected, the circulating fan continuously sucks air adjacent to the surface of the photosensitive diode into the circulation pipeline for filtration and sends fresh air obtained after filtration back to the surface of the photosensitive diode, so that a clean air film layer is formed, dust is prevented from adhering to the surface of the photosensitive diode in a sucked mode, and thereby the detection sensitivity of the dust concentration sensor is improved.
Description
Technical field
The present invention relates to a kind of mining equipment, particularly a kind of mining dust concentration sensor of automatic cleaning function.
Background technology
Be meet the product developed of underground coal mine monitoring dust concentration during mining dust concentration sensor, this product adopts laser light scattering principle, and according under different dust concentrations, the light intensity that photodiode receives is different detects dust concentration value.Due to the particular surroundings in colliery, dust concentration is generally all larger, and after common working sensor 2-3 month, sensor internal can pile up a lot of dust.Dust accretions can have a strong impact on sensor accuracy of detection on photodiode.
Summary of the invention
For the problems referred to above, the present invention proposes a kind of mining dust concentration sensor of automatic cleaning function.
For solving above technical matters, technical scheme provided by the invention is:
A mining dust concentration sensor for automatic cleaning function, is characterized in that, comprises sensor housing, described sensor housing is rectangular, which is provided with admission piece and gas outlet, and described admission piece is taper hole shape, be positioned at the upper end of sensor housing, described gas outlet is positioned at the side of sensor housing;
Monitoring darkroom is provided with in described sensor housing, described detection darkroom comprises scattering chamber and monitoring room, described scattering chamber is provided with air inlet pipeline, gas exhaust piping and laser instrument, described air inlet pipeline is communicated with scattering chamber, and connecting admission piece, described gas exhaust piping is communicated with scattering chamber, and connects gas outlet, gas exhaust piping is provided with main air blower, and described laser instrument is fixedly installed on the side of scattering chamber;
Described monitoring room is provided with photodiode and circulation line, described photodiode is fixedly installed on the inwall of monitoring room, the two ends of described circulation line are communicated with monitoring room, and be oppositely arranged, be provided with circulating fan and dust-filtering net in circulation line, described dust-filtering net is positioned at the weather of circulating fan;
Further, described photodiode is connected with single-chip microcomputer, and described single-chip microcomputer is connected with display;
Further, described single-chip microcomputer is connected with circulating fan with main air blower;
Further, the top of described sensor housing is provided with and buckles, described in buckle with sensor housing hinged, be provided with the button mouth in triangular shape in the middle part of it.
Beneficial effect of the present invention is:
The mining dust concentration sensor of a kind of automatic cleaning function that the present invention proposes, its structure is simple, reasonable in design, Single-chip Controlling main air blower and circulating fan work, air intake with certain dust concentration detects in the scattering chamber in darkroom by main air blower, laser instrument sends laser simultaneously, dust in scattering chamber can carry out scattering to laser, photodiode gathers the faint light of dust scattering, signal is sent to single-chip microcomputer, carry out data analysis, and show via display, recirculating air chance is ceaselessly by the air intake circulation line near photodiode surface simultaneously, filter, and send again the fresh air after filtering back to photodiode surface formation clean air film layer, stop dust adsorption in photodiode surface attachment, thus improve the detection sensitivity of sensor of dust concentration.
In sum, the present invention effectively can improve the accuracy of detection of sensor, avoid sensor along with the increase of service time, and the accuracy of detection caused constantly reduces, alleviate user's service equipment cost, greatly delay the maintenance period of sensor, reduced maintenance difficulties simultaneously, and increase the serviceable life of sensor.
Accompanying drawing explanation
Fig. 1 schematic diagram of the present invention.
Fig. 2 schematic internal view of the present invention.
Fig. 3 principle of the invention figure.
Embodiment
The mining dust concentration sensor of a kind of automatic cleaning function as shown in the figure, it is characterized in that, comprise sensor housing 1, described sensor housing 1 is rectangular, which is provided with admission piece 2 and gas outlet 3, described admission piece 2 is in taper hole shape, and be positioned at the upper end of sensor housing 1, described gas outlet 3 is positioned at the side of sensor housing 1;
Monitoring darkroom 4 is provided with in described sensor housing, described detection darkroom 4 comprises scattering chamber 5 and monitoring room 6, described scattering chamber 5 is provided with air inlet pipeline 7, gas exhaust piping 8 and laser instrument 9, described air inlet pipeline 7 is communicated with scattering chamber 5, and connecting admission piece 2, described gas exhaust piping 8 is communicated with scattering chamber 5, and connects gas outlet 3, gas exhaust piping 8 is provided with main air blower 10, and described laser instrument 9 is fixedly installed on the side of scattering chamber 5;
Described monitoring room 6 is provided with photodiode 11 and circulation line 12, described photodiode 11 is fixedly installed on the inwall of monitoring room 6, the two ends of described circulation line 12 are communicated with monitoring room 6, and be oppositely arranged, be provided with circulating fan 13 and dust-filtering net 14 in circulation line 12, described dust-filtering net 14 is positioned at the weather of circulating fan 13;
Wherein, described photodiode 11 is connected with single-chip microcomputer 15, and described single-chip microcomputer 15 is connected with circulating fan 13 with display 16, main air blower 10.
Meanwhile, the top of described sensor housing 1 is provided with and buckles 17, described in buckle 17 with sensor housing 1 hinged, be provided with the button mouth 18 in triangular shape in the middle part of it.
The mining dust concentration sensor of a kind of automatic cleaning function that the present invention proposes, its structure is simple, reasonable in design, Single-chip Controlling main air blower and circulating fan work, air intake with certain dust concentration detects in the scattering chamber in darkroom by main air blower, laser instrument sends laser simultaneously, dust in scattering chamber can carry out scattering to laser, photodiode gathers the faint light of dust scattering, signal is sent to single-chip microcomputer, carry out data analysis, and show via display, recirculating air chance is ceaselessly by the air intake circulation line near photodiode surface simultaneously, filter, and send again the fresh air after filtering back to photodiode surface formation clean air film layer, stop dust adsorption in photodiode surface attachment, thus improve the detection sensitivity of sensor of dust concentration.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (4)
1. the mining dust concentration sensor of an automatic cleaning function, it is characterized in that, comprise sensor housing, described sensor housing is rectangular, which is provided with admission piece and gas outlet, described admission piece is taper hole shape, be positioned at the upper end of sensor housing, described gas outlet is positioned at the side of sensor housing, monitoring darkroom is provided with in described sensor housing, described detection darkroom comprises scattering chamber and monitoring room, described scattering chamber is provided with air inlet pipeline, gas exhaust piping and laser instrument, described air inlet pipeline is communicated with scattering chamber, and connect admission piece, described gas exhaust piping is communicated with scattering chamber, and connect gas outlet, gas exhaust piping is provided with main air blower, described laser instrument is fixedly installed on the side of scattering chamber, described monitoring room is provided with photodiode and circulation line, described photodiode is fixedly installed on the inwall of monitoring room, the two ends of described circulation line are communicated with monitoring room, and be oppositely arranged, circulating fan and dust-filtering net is provided with in circulation line, described dust-filtering net is positioned at the weather of circulating fan.
2. the mining dust concentration sensor of a kind of automatic cleaning function as claimed in claim 1, is characterized in that, described photodiode is connected with single-chip microcomputer, and described single-chip microcomputer is connected with display.
3. the mining dust concentration sensor of a kind of automatic cleaning function as claimed in claim 2, is characterized in that, described single-chip microcomputer is connected with circulating fan with main air blower.
4. the mining dust concentration sensor of a kind of automatic cleaning function as claimed in claim 1, is characterized in that, the top of described sensor housing is provided with and buckles, described in buckle with sensor housing hinged, be provided with the button mouth in triangular shape in the middle part of it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510703735.5A CN105181546A (en) | 2015-10-27 | 2015-10-27 | Mine-used dust concentration sensor having automatic cleaning function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510703735.5A CN105181546A (en) | 2015-10-27 | 2015-10-27 | Mine-used dust concentration sensor having automatic cleaning function |
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| CN105181546A true CN105181546A (en) | 2015-12-23 |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120662A (en) * | 2017-12-27 | 2018-06-05 | 福建省永正工程质量检测有限公司 | A kind of architectural engineering indoor environment particulate matter detection means |
| CN108956405A (en) * | 2018-09-21 | 2018-12-07 | 云南武易高速公路建设指挥部 | A kind of engineering construction atmospheric environment dust monitoring method |
| CN109060622A (en) * | 2018-09-21 | 2018-12-21 | 云南武易高速公路建设指挥部 | A kind of atmospheric environment lung particulate matter monitoring device for engineering construction |
| CN109060621A (en) * | 2018-09-21 | 2018-12-21 | 云南武易高速公路建设指挥部 | A kind of monitoring device of powder-like waste for highway engineering |
| CN109142174A (en) * | 2018-07-30 | 2019-01-04 | 郑州泰恩科技有限公司 | A kind of enterprise's production accident prevention detection device |
| CN109238932A (en) * | 2018-09-21 | 2019-01-18 | 中国科学院地质与地球物理研究所 | A kind of highway engineering atmospheric environment lung particulate matter monitoring method |
| CN109932289A (en) * | 2017-12-15 | 2019-06-25 | 研能科技股份有限公司 | Gas particles detection device |
| CN111208045A (en) * | 2020-04-17 | 2020-05-29 | 湖南九九智能环保股份有限公司 | Self-cleaning dust sensing system |
| CN111220576A (en) * | 2020-01-17 | 2020-06-02 | 中煤科工集团重庆研究院有限公司 | Laser self-checking type dust concentration detection device and self-checking method thereof |
| CN111220374A (en) * | 2020-03-25 | 2020-06-02 | 辽宁工程技术大学 | Dust detection and dynamic adjustment testing device for cutting of heading machine |
| CN112628972A (en) * | 2020-12-25 | 2021-04-09 | 珠海格力电器股份有限公司 | Dust sensor cleaning control method, device and system and air conditioner |
| CN116165110A (en) * | 2023-02-28 | 2023-05-26 | 中国矿业大学 | Wide-range dust monitor with optical chamber cleaning function and monitoring method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109932289A (en) * | 2017-12-15 | 2019-06-25 | 研能科技股份有限公司 | Gas particles detection device |
| CN108120662A (en) * | 2017-12-27 | 2018-06-05 | 福建省永正工程质量检测有限公司 | A kind of architectural engineering indoor environment particulate matter detection means |
| CN109142174A (en) * | 2018-07-30 | 2019-01-04 | 郑州泰恩科技有限公司 | A kind of enterprise's production accident prevention detection device |
| CN109060621A (en) * | 2018-09-21 | 2018-12-21 | 云南武易高速公路建设指挥部 | A kind of monitoring device of powder-like waste for highway engineering |
| CN109060622A (en) * | 2018-09-21 | 2018-12-21 | 云南武易高速公路建设指挥部 | A kind of atmospheric environment lung particulate matter monitoring device for engineering construction |
| CN109238932A (en) * | 2018-09-21 | 2019-01-18 | 中国科学院地质与地球物理研究所 | A kind of highway engineering atmospheric environment lung particulate matter monitoring method |
| CN108956405A (en) * | 2018-09-21 | 2018-12-07 | 云南武易高速公路建设指挥部 | A kind of engineering construction atmospheric environment dust monitoring method |
| CN111220576A (en) * | 2020-01-17 | 2020-06-02 | 中煤科工集团重庆研究院有限公司 | Laser self-checking type dust concentration detection device and self-checking method thereof |
| CN111220374A (en) * | 2020-03-25 | 2020-06-02 | 辽宁工程技术大学 | Dust detection and dynamic adjustment testing device for cutting of heading machine |
| CN111208045A (en) * | 2020-04-17 | 2020-05-29 | 湖南九九智能环保股份有限公司 | Self-cleaning dust sensing system |
| CN111208045B (en) * | 2020-04-17 | 2020-07-14 | 湖南九九智能环保股份有限公司 | Self-cleaning dust sensing system |
| CN112628972A (en) * | 2020-12-25 | 2021-04-09 | 珠海格力电器股份有限公司 | Dust sensor cleaning control method, device and system and air conditioner |
| CN112628972B (en) * | 2020-12-25 | 2022-05-27 | 珠海格力电器股份有限公司 | Dust sensor cleaning control method, device and system and air conditioner |
| CN116165110A (en) * | 2023-02-28 | 2023-05-26 | 中国矿业大学 | Wide-range dust monitor with optical chamber cleaning function and monitoring method |
| CN116165110B (en) * | 2023-02-28 | 2023-07-25 | 中国矿业大学 | Wide-range dust monitor with optical chamber cleaning function and monitoring method |
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Application publication date: 20151223 |
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