CN206848119U - A kind of dust concentration monitoring system - Google Patents
A kind of dust concentration monitoring system Download PDFInfo
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- CN206848119U CN206848119U CN201720429567.XU CN201720429567U CN206848119U CN 206848119 U CN206848119 U CN 206848119U CN 201720429567 U CN201720429567 U CN 201720429567U CN 206848119 U CN206848119 U CN 206848119U
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- China
- Prior art keywords
- dust concentration
- monitoring system
- concentration monitoring
- separator
- detector
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Abstract
A kind of dust concentration monitoring system is the utility model is related to, belongs to environmental monitoring.A kind of dust concentration monitoring system, including sampling unit, measurement detection unit and microcontroller；Described sampling unit sets gradually humidity sensor, dehumidifier, PM10 cutters head, the first separator, PM2.5 cutters head, the second separator；Described measurement detection unit includes detector and radiator beta-ray, and the filter membrane of filtration of particulate matters is provided between detector and radiator beta-ray；Microcontroller is connected with humidity sensor, dehumidifier with detector respectively.The dust concentration monitoring system is simple in construction, and practical value is high, can more meet the needs of atmosphere environment supervision, and there is huge potential market to be worth, be worthy of promotion and application.
Description
Technical field
A kind of dust concentration monitoring system is the utility model is related to, belongs to environmental monitoring.
Background technology
PM2.5 is also referred to as lung particulate matter, because its particle diameter is small, containing substantial amounts of poisonous and harmful substance and in air
In residence time is long, transportation range is remote, thus the influence to health and atmosphere quality is bigger.But at present for
The instrument of PM2.5 detection is affected by humidity larger, easily triggers instrument self-protection under high humidity environment and shuts down, shadow
PM2.5 monitoring, and the heavily contaminated area of the very high concentrations in some PM2.5 are rung, because PM2.5 concentration exceedes detector
The range of device, that is, the quick-fried expression condition often said, the concentration of PM2.5 in environment in this case can not be accurately tested out, thus
People's control atmosphere pollution can not be instructed well.
For these reasons, design invention one kind is not only suitable for conventional occasion, and can apply under high humidity environment,
Dust concentration monitoring system during PM2.5 ultrahigh concentrations is particularly important.
The content of the invention
In view of the above-mentioned problems, the technical problems to be solved in the utility model is：A kind of dust concentration monitoring system is provided, no
Conventional occasion is appropriate only for, and can apply under high humidity environment, dust concentration monitoring system during PM2.5 ultrahigh concentrations.
This new dust concentration monitoring system makes Monitoring Data precision higher.The dust concentration monitoring system is simple in construction, practical valency
Value is high, can more meet the needs of atmosphere environment supervision.
In order to reach above-mentioned technique effect, the utility model uses following technical scheme：
A kind of dust concentration monitoring system, including sampling unit, measurement detection unit and microcontroller；
Described sampling unit sets gradually humidity sensor, dehumidifier, PM10 cutters head, the first separator, PM2.5
Cutter head, the second separator；
Described measurement detection unit includes detector and radiator beta-ray, is provided for filtering between detector and radiator beta-ray
The filter membrane of particulate matter；
Microcontroller is connected with humidity sensor, dehumidifier with detector respectively.
Further, first flow regulating valve, first flow test are provided with the pipeline of dehumidifier and PM10 cutter heads
Instrument and gas dilution device.
Further, described gas dilution device includes second flow regulating valve, second flow tester and indifferent gas
Body bottle.
Further, described inert gas bottle is built with nitrogen or helium.
Further, the glass fiber filter of 2.5~10 μm of particulate matters of acquisition is provided in the second described separator.
Further, the aperture of filter membrane is 0.1~10 μm.
Dust concentration monitoring system of the present utility model, in use, air detects humidity by first passing through humidity sensor, and
Testing result is transmitted to microcontroller, when the humidity in air is larger, microcontroller can send signal, and dehumidifier starts work
Make, dehumidification treatments are carried out to air, the air after dehumidifying enters PM10 cutter heads, to the particulate matter Jing Guo preliminary screening
Cut, and the particulate matter after cutting is sent into the first separator and separated；Sky after the processing of the first separator
Gas enters PM2.5 cutter heads, and PM2.5 cutters head is cut again to the particle after separation, and the particle after cutting
The second separator is sent into, second is carried out and separates, wherein 2.5~10 μm of particles of acquisition can be provided in the second separator
The glass fiber filter of thing, for capturing 2.5~10 μm of particulate matter；
Particulate matter into measurement detection unit falls on filter membrane, and radiator beta-ray is examined by the intensity after filter membrane by detector
Survey, then after sampling and analysis of signal, obtain the dust concentration in air, and the result is passed into microprocessor；
When the dust concentration in air is high, for example testing result approaches, when the detection of even more than detector is reached the standard grade, and
The connected microprocessor of detector starts gas dilution device, and starts first flow regulating valve and first flow tester,
The flow of air is measured, opens inert gas bottle, and utilize second flow regulating valve and second flow tester pair
The flow of inert gas is adjusted, such as the flow of inert gas is consistent with the flow of air, then inert gas and sky
The mixed gas that gas is mixed to get sequentially enters PM10 cutter heads, the first separator, PM2.5 cutters head and the second separation
Device, aforesaid operations are repeated, isolate the particulate matter of measurement detection unit, subsequently into measurement detection unit, measure gaseous mixture
The dust concentration of body, and result is transmitted into microcontroller, the program set in microcontroller is by the actual dust concentration in air
Exported after calculating；Nitrogen or helium can be housed wherein in inert gas bottle；
Dust concentration × 2 of actual dust concentration=mixed gas；
In summary, dust concentration monitoring system of the present utility model is not only suitable for conventional occasion, and can apply to
Under high humidity environment, dust concentration monitoring system during PM2.5 ultrahigh concentrations.This new dust concentration monitoring system makes monitoring
Data precision is higher.The dust concentration monitoring system is simple in construction, and practical value is high, can more meet the need of atmosphere environment supervision
Ask, there is huge potential market to be worth, be worthy of promotion and application.
Brief description of the drawings
Fig. 1 is a kind of structural representation of dust concentration monitoring system；
1 is humidity sensor in figure, and 2 be dehumidifier, and 3 be PM10 cutter heads, and 4 be the first separator, and 5 cut for PM2.5
Cutter head, 6 be the second separator, and 7 be detector, and 8 be radiator beta-ray, and 9 be filter membrane, and 10 be microcontroller, and 11 be that gas dilution fills
Put.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Embodiment 1
Fig. 1 is a kind of structural representation of dust concentration monitoring system；
A kind of dust concentration monitoring system, including sampling unit, measurement detection unit and microcontroller 10；
Described sampling unit set gradually first 3, first separator 4 of humidity sensor 1, dehumidifier 2, PM10 cutters,
First 5, second separator 6 of PM2.5 cutters；
Described measurement detection unit includes detector 7 and radiator beta-ray 8, is provided between detector 7 and radiator beta-ray 8
The filter membrane 9 of filtration of particulate matters；
Microcontroller 10 is connected with humidity sensor 1, dehumidifier 2 with detector 7 respectively.
Further, first flow regulating valve, first-class measurement are provided with the pipeline of dehumidifier 2 and PM10 cutters first 3
Try instrument and gas dilution device 11.
Further, described gas dilution device 11 includes second flow regulating valve, second flow tester and inertia
Gas bottle.
Further, described inert gas bottle is built with nitrogen or helium.
Further, the glass fibre filter of 2.5~10 μm of particulate matters of acquisition is provided in the second described separator 6
Film.
Further, the aperture of filter membrane 9 is 0.1~10 μm.
Dust concentration monitoring system of the present utility model, in use, air detects humidity by first passing through humidity sensor 1,
And testing result is transmitted to microcontroller 10, when the humidity in air is larger, microcontroller 10 can send signal, dehumidifier 2
Start working, dehumidification treatments are carried out to air, the air after dehumidifying enters PM10 cutters first 3, to by preliminary screening
Particulate matter cut, and by after cutting particulate matter be sent into the first separator 4 separated；By the first separator 4
Air after processing is cut again into first 5, the PM2.5 cutters first 5 of PM2.5 cutters to the particle after separation, and
Particle after cutting is sent into the second separator 6, carries out second and separates, wherein can be provided for obtaining in the second separator 6
The glass fiber filter of 2.5~10 μm of particulate matters is taken, for capturing 2.5~10 μm of particulate matter；
Particulate matter into measurement detection unit falls on filter membrane 9, and radiator beta-ray 8 is by the intensity after filter membrane 9 by detector
7 detections, then after sampling and analysis of signal, the dust concentration in air is obtained, and the result is passed into microprocessor 10；
When the dust concentration in air is high, for example testing result approaches, when the detection of even more than detector is reached the standard grade, and
The connected microprocessor 10 of detector 7 starts gas dilution device 11, and starts first flow regulating valve and first-class measurement
Instrument is tried, the flow of air is measured, opens inert gas bottle, and test using second flow regulating valve and second flow
The flow of inert gas is adjusted instrument, such as the flow of inert gas is consistent with the flow of air, then inert gas
PM10 cutters first 3, the first separator 4, PM2.5 cutters first 5 and are sequentially entered with the mixed gas that air is mixed to get
Two separators 6, aforesaid operations are repeated, isolate the particulate matter of measurement detection unit, subsequently into measurement detection unit, measured
The dust concentration of mixed gas, and result is transmitted into microcontroller 10, the program set in microcontroller 10 is by the reality in air
Border dust concentration exports after calculating；Nitrogen or helium can be housed wherein in inert gas bottle；
Dust concentration × 2 of actual dust concentration=mixed gas；
In summary, conventional occasion is not only suitable for, and can apply under high humidity environment, during PM2.5 ultrahigh concentrations
Dust concentration monitoring system.This new dust concentration monitoring system makes Monitoring Data precision higher.The dust concentration monitors
System architecture is simple, and practical value is high, can more meet the needs of atmosphere environment supervision, and there is huge potential market to be worth, value
Obtain promotion and application.
Claims (6)
1. a kind of dust concentration monitoring system, it is characterised in that including sampling unit, measurement detection unit and microcontroller
(10)；
Described sampling unit sets gradually humidity sensor (1), dehumidifier (2), PM10 cutters head (3), the first separator
(4), PM2.5 cutters head (5), the second separator (6)；
Described measurement detection unit includes detector (7) and radiator beta-ray (8), is set between detector (7) and radiator beta-ray (8)
Filter membrane (9) for filtration of particulate matters；
Microcontroller (10) is connected with humidity sensor (1), dehumidifier (2) with detector (7) respectively.
2. a kind of dust concentration monitoring system as claimed in claim 1, it is characterised in that dehumidifier (2) and PM10 cutters
First flow regulating valve, first flow tester and gas dilution device (11) are provided with the pipeline of head (3).
A kind of 3. dust concentration monitoring system as claimed in claim 2, it is characterised in that described gas dilution device (11)
Including second flow regulating valve, second flow tester and inert gas bottle.
A kind of 4. dust concentration monitoring system as claimed in claim 3, it is characterised in that described inert gas bottle built with
Nitrogen or helium.
5. a kind of dust concentration monitoring system as claimed in claim 1, it is characterised in that in described the second separator (6)
It is provided for the glass fiber filter of 2.5~10 μm of particulate matters of acquisition.
6. a kind of dust concentration monitoring system as claimed in claim 1, it is characterised in that the aperture of filter membrane (9) is 0.1~10
μm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720429567.XU CN206848119U (en) | 2017-04-15 | 2017-04-15 | A kind of dust concentration monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720429567.XU CN206848119U (en) | 2017-04-15 | 2017-04-15 | A kind of dust concentration monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206848119U true CN206848119U (en) | 2018-01-05 |
Family
ID=60793979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720429567.XU Expired - Fee Related CN206848119U (en) | 2017-04-15 | 2017-04-15 | A kind of dust concentration monitoring system |
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| Country | Link |
|---|---|
| CN (1) | CN206848119U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700877A (en) * | 2019-11-08 | 2020-01-17 | 徐州筑之邦工程机械有限公司 | Automatic overtemperature explosion-proof water sprinkling system for underground coal mine |
-
2017
- 2017-04-15 CN CN201720429567.XU patent/CN206848119U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110700877A (en) * | 2019-11-08 | 2020-01-17 | 徐州筑之邦工程机械有限公司 | Automatic overtemperature explosion-proof water sprinkling system for underground coal mine |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180105 Termination date: 20200415 |
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| CF01 | Termination of patent right due to non-payment of annual fee |