CN205157381U - Automatic mining dust concentration sensor of clean function - Google Patents
Automatic mining dust concentration sensor of clean function Download PDFInfo
- Publication number
- CN205157381U CN205157381U CN201520835839.7U CN201520835839U CN205157381U CN 205157381 U CN205157381 U CN 205157381U CN 201520835839 U CN201520835839 U CN 201520835839U CN 205157381 U CN205157381 U CN 205157381U
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- dust concentration
- sensor housing
- monitoring
- sensor
- concentration sensor
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Abstract
The utility model provides an automatic mining dust concentration sensor of clean function, comprises a sensor housing, be equipped with suction nozzle and gas outlet on it, be equipped with the monitoring darkroom in it, the monitoring darkroom includes scattering room and monitoring room, scattering room and suction nozzle and gas outlet intercommunication, and be equipped with the laser instrument, last photosensitive diode and the circulation pipeline of being equipped with of monitoring room, circulation pipeline's both ends intercommunication monitoring room, and relative the setting, be equipped with circulating fan and dust filter net in the circulation pipeline, the vibration absorption and noise reduction structure of the motorcycle engine is characterized in that, examine time measuring carrying out dust concentration, in the air suction circulation pipeline with near on photosensitive diode surface that circulating fan can not stop, filter, and the fresh air after will filtering sends the photosensitive diode surface clean air film layer of formation again back to, prevent the dust to adsorb in the photosensitive diode surface adhesion, thereby improve the detectivity of dust concentration sensor.
Description
Technical field
The utility model 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.
Utility model content
For the problems referred to above, the utility model proposes a kind of mining dust concentration sensor of automatic cleaning function.
For solving above technical matters, the technical scheme that the utility model provides 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.
The beneficial effects of the utility model are:
The mining dust concentration sensor of a kind of automatic cleaning function that the utility model 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 utility model 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 the utility model schematic diagram.
Fig. 2 the utility model schematic internal view.
Fig. 3 the utility model schematic diagram.
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 utility model 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 utility model preferably embodiment; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed in protection domain of the present utility model.Therefore, protection domain of the present utility model 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 |
|---|---|---|---|
| CN201520835839.7U CN205157381U (en) | 2015-10-27 | 2015-10-27 | Automatic mining dust concentration sensor of clean function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520835839.7U CN205157381U (en) | 2015-10-27 | 2015-10-27 | Automatic mining dust concentration sensor of clean function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205157381U true CN205157381U (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520835839.7U Active CN205157381U (en) | 2015-10-27 | 2015-10-27 | Automatic mining dust concentration sensor of clean function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205157381U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181546A (en) * | 2015-10-27 | 2015-12-23 | 扬中市南方矿用电器有限公司 | Mine-used dust concentration sensor having automatic cleaning function |
-
2015
- 2015-10-27 CN CN201520835839.7U patent/CN205157381U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105181546A (en) * | 2015-10-27 | 2015-12-23 | 扬中市南方矿用电器有限公司 | Mine-used dust concentration sensor having automatic cleaning function |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |