CN106198336A - A kind of sensor of dust concentration assay device - Google Patents
A kind of sensor of dust concentration assay device Download PDFInfo
- Publication number
- CN106198336A CN106198336A CN201610738673.6A CN201610738673A CN106198336A CN 106198336 A CN106198336 A CN 106198336A CN 201610738673 A CN201610738673 A CN 201610738673A CN 106198336 A CN106198336 A CN 106198336A
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- CN
- China
- Prior art keywords
- unit
- dust
- dirt
- pipeline section
- dust concentration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
Abstract
A kind of sensor of dust concentration assay device, including body, plays dirt unit, adds that dirt unit, several dust concentration sensing elements are hole arranged, dirt stream stablizes unit and dust collecting unit；Body is closed circular, gathers pipeline section including playing dirt pipeline section, observation pipeline section, current stabilization pipeline section and dust；Play dirt unit to be installed in dirt pipeline section, dust concentration sensing element is hole arranged to be arranged in observation pipeline section, add dirt unit be installed on dirt unit and dust concentration sensing element hole arranged between pipeline section in, dirt stream is stablized unit and is installed in current stabilization pipeline section, and dust collecting unit is installed on dust and gathers in pipeline section；Under in working order, dust forms powder stream in body and circulates.Cost of the present invention is low, examines and determine low cost and ensure that verification result precision and accuracy, and not resulting in environmental pollution.
Description
Technical field
The present invention relates to a kind of assay device, particularly a kind of sensor of dust concentration assay device.
Background technology
The pneumoconiosis that dust harzard causes is the occupation disease that colliery industry is common, therefore, enters coal mine operation place
Row dust detects and administers particularly significant.In terms of the research and development of detection equipment, domestic and international scientific research personnel has succeeded in developing based on light
Learning and the sensor of dust concentration of electric charge induction principle, theoretically, these equipment can actively be used for the survey of Mine Dust
Fixed, but in actual use, precision and accuracy about dust concentration test are very poor so that test result cannot be given follow-up
Dust prevent and treat technique with correct and effectively instruct, trace it to its cause, in addition to the reason of sensor manufacture view, existing sensing
The calibrating of device and the deficiency of calibration steps are also its major reasons.
The existing device using dust sensor calibrating all exists that verification result error is big, cost is high, operation is multiple
The defects such as miscellaneous and easy pollution external environment condition.
In sum, prior art still do not has a kind of verification result is preferable, cost is low and does not pollutes the environment
Assay device.
Summary of the invention
In order to solve, the verification result of prior art existence is undesirable, cost is high and easily causes the technology such as environmental pollution
Problem, the invention provides a kind of sensor of dust concentration assay device.
The technical solution used in the present invention is as follows:
A kind of sensor of dust concentration assay device, including body, a dirt unit, adds dirt unit, several dust concentrations
Sensing element is hole arranged, dirt stream stablizes unit and dust collecting unit；Described body is closed circular, including playing dirt pipeline section, sight
Test tube section, current stabilization pipeline section and dust gather pipeline section；Described dirt unit is installed in described dirt pipeline section, and described dust concentration passes
Sensing unit is hole arranged to be arranged in described observation pipeline section, described in add dirt unit and be installed on and described play dirt unit and described dust concentration
In pipeline section between sensing element is hole arranged, described dirt stream is stablized unit and is installed in described current stabilization pipeline section, described dust collection
Unit is installed on described dust and gathers in pipeline section；Under in working order, dust forms powder stream in described body and circulates.
Above-mentioned sensor of dust concentration assay device also includes gas introduction unit and dust discharge unit, and described gas imports single
First and described dust discharge unit, for after calibration operation terminates, imports gas in described body, forms clean gas, by dirt stream
Discharge in described body.
Above-mentioned sensor of dust concentration assay device also includes examining and determine environment control unit, is used for realizing different operating environment
Under dust concentration calibrating.
In above-mentioned sensor of dust concentration assay device, described dirt unit include housing, dust add entrance, motor,
Fan blade and deflector.
In above-mentioned sensor of dust concentration assay device, described in add dirt unit and include powder cabin, agitator, air inlet pipe and electricity
Magnet valve.
In above-mentioned sensor of dust concentration assay device, described dirt stream is stablized unit and is included arranging along described body cross section
If the cellular silk screen of dry tablet.
In above-mentioned sensor of dust concentration assay device, described dust collecting unit includes a dust sampler and
Individual dust size separator.
In above-mentioned sensor of dust concentration assay device, described calibrating environment control unit includes temperature and humidity sensing unit
Part, pressure sensor and velocity pick-up element.
The technique scheme of the present invention has the advantage that compared to existing technology
(1) the sensor of dust concentration assay device that the present invention provides, owing to using closed circular pipe structure so that powder
Stream can circulate, and include shunting stablize unit, it is possible in body, form the stable powder stream of even concentration, simultaneously
Axially be sequentially arranged several sensing elements along body, therefore, the present invention is very good to the verification result of sensing element.
(2) the sensor of dust concentration assay device that the present invention provides, owing to using closed circular pipe structure, overall structure
Making simple, volume is little, and, owing to powder stream recycles, not only less investment, and processing cost is low, therefore, cost of the present invention is low
And calibrating low cost.
(3) the sensor of dust concentration assay device that the present invention provides, owing to using closed circular pipe structure, and comprises
There are gas introduction unit and dust discharge unit, it is possible to ensure the cleaning of calibrating environment, and avoid dust to outflow, therefore, energy of the present invention
The accuracy of verification result is enough effectively ensured, and is prevented effectively from the calibrating pollution to environment.
(4) the sensor of dust concentration assay device that the present invention provides, owing to using closed circular pipe structure, and comprises
Calibrating environment control unit, therefore, the present invention is capable of the dust concentration under different wind speed, temperature, humidity and pressure condition
Calibrating.
Accompanying drawing explanation
In order to make present disclosure be more likely to be clearly understood, below according to the specific embodiment of the present invention and combine
Accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is sensor of dust concentration assay device structural representation of the present invention；
Fig. 2 is to play dirt cellular construction schematic diagram in sensor of dust concentration assay device of the present invention；
Fig. 3 is to add dirt cellular construction schematic diagram in sensor of dust concentration assay device of the present invention.
Being labeled as in figure: 1-body, 2-plays dirt unit, and 3-adds dirt unit, and 4-dust concentration sensing element is hole arranged, 5-dirt
Stream stablizes unit, 6-dust collecting unit, 7-gas introduction unit, 8-dust discharge unit, and 9-examines and determine environment control unit, and 101-rises
Dirt pipeline section, 102-observes pipeline section, 103-current stabilization pipeline section, and 104-dust gathers pipeline section, 201-housing, and 202-dust adds entrance,
203-motor, 204-fan blade, 205-deflector, 301-powder cabin, 302-agitator, 303-air inlet pipe, 304-electromagnetic valve, 901-temperature
Humidity sensing element, 902-pressure sensor, 903-velocity pick-up element.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to embodiment party of the present invention
Formula is described in further detail.
Shown in Fig. 1-Fig. 3, it it is the preferred embodiment of sensor of dust concentration assay device of the present invention.
Described sensor of dust concentration assay device, including body 1, a dirt unit 2, adds 3,3 dust concentrations of dirt unit
Sensing element is hole arranged 4, dirt stream stablizes unit 5, dust collecting unit 6, gas introduction unit 7, dust discharge unit 8 and calibrating environment
Control unit 9.
Described body 1 is in closed circular, including playing dirt pipeline section 101, observation pipeline section 102, current stabilization pipeline section 103 and dust collection
Pipeline section 104.
Described dirt unit 2 is installed in described dirt pipeline section 101, and described dust concentration sensing element hole arranged 4 is arranged
In described observation pipeline section 102, described in add dirt unit 3 and be installed on and described play dirt unit 2 and described dust concentration sensing element cloth
Putting in the pipeline section between hole 4, described dirt stream is stablized unit 5 and is installed in described current stabilization pipeline section 103, described dust collecting unit 6
It is installed on described dust to gather in pipeline section 104.
Described dirt unit 2 includes that housing 201, dust add entrance 202, motor 203, fan blade 204 and deflector 205.
The described dirt unit 3 that adds includes powder cabin 301, agitator 302, air inlet pipe 303 and electromagnetic valve 304.
Described dirt stream stablizes 2 cellular silk screens that unit 5 includes arranging along described body 1 cross section.
Described dust collecting unit 6 includes a dust sampler and a dust size separator.
Described calibrating environment control unit 9 includes temperature and humidity sensing element 901, pressure sensor 902 and velocity pick-up
Element 903.
The process using the present embodiment to examine and determine sensing element is as follows:
First, dust is joined in described body 1 by the described dirt unit 3 that adds, start the described dirt unit 2 that rises, driving
Dust is at described body 1 internal circulation flow, and under described dirt stream stablizes unit 5 effect, forms the stable powder stream of even concentration.
Then, by several dust concentration sensing elements being positioned in described dust concentration sensing element hole arranged 4,
Test the dust concentration in described body 1, by described dust collecting unit 6, dust is sampled meanwhile, and by weighing
Method test dust concentration, is contrasted by the dust concentration tested with described dust concentration sensing element, dense to described dust
Degree sensing element is examined and determine.
Finally, after calibration operation terminates, start described gas introduction unit 7 and dust discharge unit 8, by described body 1
Dust discharge and collect.
Change described temperature and humidity sensing element 901, pressure sensor 902 and the parameter of velocity pick-up element 903, repeat
Above-mentioned steps, it is thus achieved that the verification result under different humidity, temperature, pressure and velocity conditions.
Obviously, above-described embodiment is only for clearly demonstrating example, and not restriction to embodiment.Right
For those of ordinary skill in the field, can also make on the basis of the above description other multi-form change or
Variation.Here without also cannot all of embodiment be given exhaustive.And the obvious change thus extended out or
Change among still in protection scope of the present invention.
Claims (8)
1. a sensor of dust concentration assay device, it is characterised in that: include body (1), a dirt unit (2), add dirt unit
(3), several dust concentration sensing elements hole arranged (4), dirt stream stablize unit (5) and dust collecting unit (6)；
Described body (1) is in closed circular, including playing dirt pipeline section (101), observation pipeline section (102), current stabilization pipeline section (103) and dust
Gather pipeline section (104)；
Described dirt unit (2) is installed in described dirt pipeline section (101), described dust concentration sensing element hole arranged (4) cloth
In being placed in described observation pipeline section (102), described in add dirt unit (3) and be installed on and described play dirt unit (2) and described dust concentration biography
In pipeline section between sensing unit hole arranged (4), described dirt stream is stablized unit (5) and is installed in described current stabilization pipeline section (103), described
Dust collecting unit (6) is installed on described dust and gathers in pipeline section (104)；
Under in working order, dust forms powder stream in described body (1) and circulates.
Sensor of dust concentration assay device the most according to claim 1, it is characterised in that: also include gas introduction unit
(7) it is used for after calibration operation terminates with dust discharge unit (8), described gas introduction unit (7) and described dust discharge unit (8), to
Import gas in described body (1), form clean gas, dirt stream is discharged in described body (1).
Sensor of dust concentration assay device the most according to claim 1, it is characterised in that: also include examining and determine environmental Kuznets Curves
Unit (9), for realizing the dust concentration calibrating under different operating environment.
4. according to the arbitrary described sensor of dust concentration assay device of claim 1-3, it is characterised in that: described dirt unit
(2) include that housing (201), dust add entrance (202), motor (203), fan blade (204) and deflector (205).
5. according to the arbitrary described sensor of dust concentration assay device of claim 1-3, it is characterised in that add dirt unit described in:
(3) powder cabin (301), agitator (302), air inlet pipe (303) and electromagnetic valve (304) are included.
6. according to the arbitrary described sensor of dust concentration assay device of claim 1-3, it is characterised in that: described dirt stream is stable
Unit (5) include along described body (1) if cross section arrange the cellular silk screen of dry tablet.
7. according to the arbitrary described sensor of dust concentration assay device of claim 1-3, it is characterised in that: described dust collection
Unit (6) includes a dust sampler and a dust size separator.
Sensor of dust concentration assay device the most according to claim 3, it is characterised in that: described calibrating environmental Kuznets Curves list
Unit (9) includes temperature and humidity sensing element (901), pressure sensor (902) and velocity pick-up element (903).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610738673.6A CN106198336A (en) | 2016-08-26 | 2016-08-26 | A kind of sensor of dust concentration assay device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610738673.6A CN106198336A (en) | 2016-08-26 | 2016-08-26 | A kind of sensor of dust concentration assay device |
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| Publication Number | Publication Date |
|---|---|
| CN106198336A true CN106198336A (en) | 2016-12-07 |
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ID=57526945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610738673.6A Pending CN106198336A (en) | 2016-08-26 | 2016-08-26 | A kind of sensor of dust concentration assay device |
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| Country | Link |
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| CN (1) | CN106198336A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421862A (en) * | 2017-08-13 | 2017-12-01 | 煤炭科学技术研究院有限公司 | A kind of sensor of dust concentration |
| CN112986066A (en) * | 2021-02-08 | 2021-06-18 | 清华大学 | Experimental device for be used for studying dust particle resuspension law |
| CN113405960A (en) * | 2021-06-18 | 2021-09-17 | 中煤科工集团重庆研究院有限公司 | Continuous stable and environmental parameter adjustable circulation dust device and test system |
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| JP2003161698A (en) * | 2001-11-27 | 2003-06-06 | Matsushita Electric Works Ltd | Device of adjusting sensitivity of floating dust detector and method for adjusting sensitivity using the same |
| CN202710539U (en) * | 2012-08-22 | 2013-01-30 | 郑州光力科技股份有限公司 | Uniform-flow-type dust calibration device |
| CN103234573A (en) * | 2013-04-22 | 2013-08-07 | 张家港朗亿机电设备有限公司 | Dust environment simulation equipment |
| CN203798704U (en) * | 2014-04-28 | 2014-08-27 | 徐州市计量检定测试中心 | Novel direct-reading type dust concentration measuring instrument verification and calibration device |
| CN105021503A (en) * | 2015-08-18 | 2015-11-04 | 上海天石测控设备有限公司 | Dust concentration calibrating system and method suitable for photoelectric method dust concentration detector |
| CN205982009U (en) * | 2016-08-26 | 2017-02-22 | 煤炭科学技术研究院有限公司 | Dust concentration sensor calibrating installation |
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2016
- 2016-08-26 CN CN201610738673.6A patent/CN106198336A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003161698A (en) * | 2001-11-27 | 2003-06-06 | Matsushita Electric Works Ltd | Device of adjusting sensitivity of floating dust detector and method for adjusting sensitivity using the same |
| CN202710539U (en) * | 2012-08-22 | 2013-01-30 | 郑州光力科技股份有限公司 | Uniform-flow-type dust calibration device |
| CN103234573A (en) * | 2013-04-22 | 2013-08-07 | 张家港朗亿机电设备有限公司 | Dust environment simulation equipment |
| CN203798704U (en) * | 2014-04-28 | 2014-08-27 | 徐州市计量检定测试中心 | Novel direct-reading type dust concentration measuring instrument verification and calibration device |
| CN105021503A (en) * | 2015-08-18 | 2015-11-04 | 上海天石测控设备有限公司 | Dust concentration calibrating system and method suitable for photoelectric method dust concentration detector |
| CN205982009U (en) * | 2016-08-26 | 2017-02-22 | 煤炭科学技术研究院有限公司 | Dust concentration sensor calibrating installation |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421862A (en) * | 2017-08-13 | 2017-12-01 | 煤炭科学技术研究院有限公司 | A kind of sensor of dust concentration |
| CN112986066A (en) * | 2021-02-08 | 2021-06-18 | 清华大学 | Experimental device for be used for studying dust particle resuspension law |
| CN113405960A (en) * | 2021-06-18 | 2021-09-17 | 中煤科工集团重庆研究院有限公司 | Continuous stable and environmental parameter adjustable circulation dust device and test system |
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