CN104142314A - Multichannel dust detector - Google Patents
Multichannel dust detector Download PDFInfo
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- CN104142314A CN104142314A CN201410312631.7A CN201410312631A CN104142314A CN 104142314 A CN104142314 A CN 104142314A CN 201410312631 A CN201410312631 A CN 201410312631A CN 104142314 A CN104142314 A CN 104142314A
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- dust
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- control module
- vacuum pump
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Abstract
The invention discloses a multichannel dust detector which comprises an isokinetic sampling head, a flow sensor, a dust sensor, a vacuum pump, a data processing and control module and a touch screen, wherein an air outlet of the isokinetic sampling head is connected with an air inlet of the flow sensor by an air pipe; an air outlet of the flow sensor is connected with an air inlet of the dust sensor by an air pipe; an air outlet of the dust sensor is connected with an air inlet of the vacuum pump by an air pipe; the data processing and control module is respectively connected with the flow sensor, the dust sensor, the vacuum pump and the touch screen by a data line. According to the multichannel dust detector, the isokinetic sampling head, the flow sensor, the dust sensor, the vacuum pump, the data processing and control module and the touch screen are matched for use, so that dust particles with multiple particle sizes can be detected, the flow rate can be controlled in real time, the dust detection accuracy is improved, the measurement range is expanded, and three-dimensional data presentation is realized.
Description
Technical field
The present invention relates to technical field of measuring equipment, relate in particular to a kind of multi-channel high-accuracy dust instrument that adopts laser scattering method to detect.
Background technology
In Fig. 1, instrument comprises flow valve 8, dust sensor 3, vacuum pump 4, data processing module 9, key-press module 10, liquid crystal display 11; The gas outlet of described flow valve 8 is connected with the air intake opening of dust sensor 3 by tracheae; The gas outlet of described dust sensor 3 is connected with the air intake opening of vacuum pump 4; Described dust sensor 3 is connected with data module 9 by data line; Described key-press module 10, liquid crystal display 11 are connected with data processing module 9 by data line; Described flow valve 8 air intake openings pass into air-flow to be measured, and control air-flow size; Described dust sensor 3 is passed to data processing module 9 by the dust signal detecting and is processed; Described vacuum pump 4 is bled, and drives detection gas to enter dust sensor 3, and discharges detecting gas later; Described data processing module 9 is delivered to liquid crystal display 11 by testing result and is shown.
There is following shortcoming in above-mentioned instrument: 1, flow cannot be monitored in real time and regulate, and affects testing result; 2, accuracy of detection and data processing appearance form are single, three-dimensional not; 3, lack aerodynamic force structure, testing result precision and range differences, can store data few.
Summary of the invention
Technical matters for above-mentioned existence, the object of the invention is: proposed a kind of hyperchannel dust instrument, can realize flow and control in real time, improved the precision detecting, widened the scope of measurement, expanded passage, data are presented to more three-dimensional.
Technical solution of the present invention is achieved in that a kind of hyperchannel dust instrument, comprises isokinetic sampling head, flow sensor, dust sensor, vacuum pump, data processing and control module; The gas outlet of described isokinetic sampling head is connected with the air intake opening of flow sensor by tracheae; The gas outlet of described flow sensor is connected with the air intake opening of dust sensor by tracheae; The gas outlet of described dust sensor is connected with the air intake opening of vacuum pump by tracheae; Described data processing is connected with flow sensor, dust sensor, vacuum pump respectively by data line with control module; It is identical with near gas velocity sampling spot that described isokinetic sampling head makes to sample gas velocity, guaranteed that sampling air-flow does not exist situation air-breathing or loss, guarantees that the dust concentration and the actual conditions that sample are in full accord; Described flow sensor is passed to data processing and control module by air flow rate signal; Described data processing and control module, by present flow rate value and setting value contrast, are reacted, and control vacuum pump and carry out adjust flux, make flow reach constant in real time; Described dust sensor converts dust concentration signal to electric signal by laser light scattering principle, passes to data processing and control module; Described vacuum pump produces draft and drives the air current flow in hyperchannel dust instrument, and controls air flow rate.
Preferably, described dust sensor is high precision, high sensitivity dust detecting sensor.
Preferably, also comprise touch-screen; Described touch-screen is connected with control module with data processing by data line, and man-machine interaction and data integrated presenting are provided.
Preferably, also comprise two kinds of patterns: PM pattern and count mode; Described PM pattern be take 1mg/m3 as unit calculating, and described count mode calculates with each passage particle number.
Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:
A kind of hyperchannel dust instrument of the present invention, by being used in conjunction with of isokinetic sampling head, flow sensor, dust sensor, vacuum pump, data processing and control module, touch-screen, having realized multiple particle diameter dust granules detection and flow controls in real time, improve the precision that dust detects, widen the scope of measurement, data are presented to more three-dimensional.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, technical solution of the present invention is described further:
The structural representation that accompanying drawing 1 is existing a kind of dust detector;
Accompanying drawing 2 is the structural representation of a kind of hyperchannel dust instrument of the present invention;
Wherein: 1, isokinetic sampling head; 2, flow sensor; 3, dust sensor; 4, vacuum pump; 5, data processing and control module; 6, touch-screen; 7, tracheae; 8, flow valve; 9, data processing module; 10, key-press module; 11, liquid crystal display.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described.
Be a kind of hyperchannel dust instrument of the present invention as shown in Figure 2, comprise isokinetic sampling head 1, flow sensor 2, dust sensor 3, vacuum pump 4, data processing and control module 5, touch-screen 6; The gas outlet of described isokinetic sampling head 1 is connected with the air intake opening of flow sensor 2 by tracheae 7; The gas outlet of described flow sensor 2 is connected with the air intake opening of dust sensor 3 by tracheae 7; The gas outlet of described dust sensor 3 is connected with the air intake opening of vacuum pump 4 by tracheae 7; Described data processing is connected with flow sensor 2, dust sensor 3, vacuum pump 4, touch-screen 6 respectively by data line with control module 5.
It is identical with near gas velocity sampling spot that described isokinetic sampling head 1 makes to sample gas velocity, guaranteed that sampling air-flow does not exist situation air-breathing or loss, guarantees that the dust concentration and the actual conditions that sample are in full accord; Described flow sensor 2 is passed to data processing and control module 5 by air flow rate signal; Described data processing and control module 5, by present flow rate value and setting value contrast, are reacted, and control vacuum pump 4 and carry out adjust flux, make flow reach constant in real time; Described dust detecting sensor 3 is high precision, high sensitivity dust detecting sensor, and dust sensor 3 converts dust concentration signal to electric signal by laser light scattering principle, passes to data processing and control module 5; Described touch-screen 6 is connected with control module 5 with data processing by data line, and configuration information is passed to data processing and control module 5, and the information of set and display is shown, and man-machine interaction and data integrated presenting are provided; Described vacuum pump 4 produces draft and drives the air current flow in hyperchannel dust instrument, and controls air flow rate.
By being used in conjunction with of above-mentioned parts, make a kind of hyperchannel dust instrument of the present invention realize following function: existing precision 0.001 mg/m3 is promoted to 0.0001mg/m3, range is promoted to 0.01～20 mg/m3 from 0.01～10 mg/m3, measuring accuracy is higher, scope is wider simultaneously; The present invention has 14 passages to select, and two kinds of patterns can be switched (PM pattern be take 1mg/m3 as unit calculating, and count mode calculates with each passage particle number), and can show the curve map of real-time measurement, are that data show more three-dimensional; According to environment, carry out online mass particle concentration analysis; Volume is little, is convenient for carrying.
Above-described embodiment is only explanation technical conceive of the present invention and feature; its object is to allow person skilled in the art can understand content of the present invention and be implemented; can not limit the scope of the invention with this; all equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed in protection scope of the present invention.
Claims (4)
1. a hyperchannel dust instrument, is characterized in that: comprise isokinetic sampling head, flow sensor, dust sensor, vacuum pump, data processing and control module; The gas outlet of described isokinetic sampling head is connected with the air intake opening of flow sensor by tracheae; The gas outlet of described flow sensor is connected with the air intake opening of dust sensor by tracheae; The gas outlet of described dust sensor is connected with the air intake opening of vacuum pump by tracheae; Described data processing is connected with flow sensor, dust sensor, vacuum pump respectively by data line with control module; It is identical with near gas velocity sampling spot that described isokinetic sampling head makes to sample gas velocity, guaranteed that sampling air-flow does not exist situation air-breathing or loss, guarantees that the dust concentration and the actual conditions that sample are in full accord; Described flow sensor is passed to data processing and control module by air flow rate signal; Described data processing and control module, by present flow rate value and setting value contrast, are reacted, and control vacuum pump and carry out adjust flux, make flow reach constant in real time; Described dust sensor converts dust concentration signal to electric signal by laser light scattering principle, passes to data processing and control module; Described vacuum pump produces draft and drives the air current flow in hyperchannel dust instrument, and controls air flow rate.
2. a kind of hyperchannel dust instrument as claimed in claim 1, is characterized in that: described dust sensor is high precision, high sensitivity dust detecting sensor.
3. a kind of hyperchannel dust instrument as claimed in claim 1, is characterized in that: also comprise touch-screen; Described touch-screen is connected with control module with data processing by data line, and man-machine interaction and data integrated presenting are provided.
4. a kind of hyperchannel dust instrument as claimed in claim 1, is characterized in that: also comprise two kinds of patterns: PM pattern and count mode; Described PM pattern be take 1mg/m3 as unit calculating, and described count mode calculates with each passage particle number.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410312631.7A CN104142314A (en) | 2014-07-03 | 2014-07-03 | Multichannel dust detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410312631.7A CN104142314A (en) | 2014-07-03 | 2014-07-03 | Multichannel dust detector |
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| Publication Number | Publication Date |
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| CN104142314A true CN104142314A (en) | 2014-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410312631.7A Pending CN104142314A (en) | 2014-07-03 | 2014-07-03 | Multichannel dust detector |
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| CN (1) | CN104142314A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571997A (en) * | 2016-01-19 | 2016-05-11 | 华北电力大学（保定） | Measurement and control method and device for particle concentration of indoor air |
| CN108194760A (en) * | 2018-01-30 | 2018-06-22 | 启新环保科技邯郸有限公司 | A kind of anti-clogging dust collection pipe |
Citations (7)
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| CN2692660Y (en) * | 2004-03-31 | 2005-04-13 | 朱一川 | Laser dust meter |
| CN1959374A (en) * | 2006-11-15 | 2007-05-09 | 南京富邺科技有限公司 | Sensor of dust concentration |
| CN101354332A (en) * | 2008-09-26 | 2009-01-28 | 北京绿林创新数码科技有限公司 | Laser powder dust detector with humidity continuous self-correcting function and detecting method thereof |
| CN101968426A (en) * | 2010-09-27 | 2011-02-09 | 常熟市矿山机电器材有限公司 | Dust concentration sensor |
| CN103234781A (en) * | 2013-04-26 | 2013-08-07 | 苏州尚科洁净技术有限公司 | Isokinetic air sampling head |
| CN203231883U (en) * | 2013-04-25 | 2013-10-09 | 康斐尔过滤设备(昆山)有限公司 | Multi channel air filtration system field test bench |
| CN103499520A (en) * | 2013-10-12 | 2014-01-08 | 杭州富铭环境科技有限公司 | Method and system for online monitoring smoke particulate matters |
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2014
- 2014-07-03 CN CN201410312631.7A patent/CN104142314A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2692660Y (en) * | 2004-03-31 | 2005-04-13 | 朱一川 | Laser dust meter |
| CN1959374A (en) * | 2006-11-15 | 2007-05-09 | 南京富邺科技有限公司 | Sensor of dust concentration |
| CN101354332A (en) * | 2008-09-26 | 2009-01-28 | 北京绿林创新数码科技有限公司 | Laser powder dust detector with humidity continuous self-correcting function and detecting method thereof |
| CN101968426A (en) * | 2010-09-27 | 2011-02-09 | 常熟市矿山机电器材有限公司 | Dust concentration sensor |
| CN203231883U (en) * | 2013-04-25 | 2013-10-09 | 康斐尔过滤设备(昆山)有限公司 | Multi channel air filtration system field test bench |
| CN103234781A (en) * | 2013-04-26 | 2013-08-07 | 苏州尚科洁净技术有限公司 | Isokinetic air sampling head |
| CN103499520A (en) * | 2013-10-12 | 2014-01-08 | 杭州富铭环境科技有限公司 | Method and system for online monitoring smoke particulate matters |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571997A (en) * | 2016-01-19 | 2016-05-11 | 华北电力大学（保定） | Measurement and control method and device for particle concentration of indoor air |
| CN108194760A (en) * | 2018-01-30 | 2018-06-22 | 启新环保科技邯郸有限公司 | A kind of anti-clogging dust collection pipe |
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Application publication date: 20141112 |
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