CN209102571U - A kind of particle monitoring device - Google Patents
A kind of particle monitoring device Download PDFInfo
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- CN209102571U CN209102571U CN201821598024.1U CN201821598024U CN209102571U CN 209102571 U CN209102571 U CN 209102571U CN 201821598024 U CN201821598024 U CN 201821598024U CN 209102571 U CN209102571 U CN 209102571U
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Abstract
A kind of particle monitoring device belongs to atmospheric monitoring technical field more particularly to a kind of particle monitoring device.The utility model provides a kind of particle monitoring device that can measure two kinds of particles amount of substance concentration.The utility model includes particulate separation sampling module, particulate matter dirt sample sorting module, sample gas humidity control module, particle sampling detection module and constant flow regulation module, the output end of its structural feature particulate separation sampling module is connected with the input terminal of particulate matter dirt sample sorting module, the output end of particulate matter dirt sample sorting module is connected with the input terminal of sample gas humidity control module, the output end of sample gas humidity control module is connected with the input terminal of particle sampling detection module, and the output end of particle sampling detection module is connected with the input terminal of constant flow regulation module.
Description
Technical field
The utility model belongs to atmospheric monitoring technical field more particularly to a kind of particle monitoring device.
Background technique
Aerodynamically, the particulate matter in atmospheric environment can be divided by diameter: partial size is 0.01 μm~100 μ
The pellet PM10 of overall suspended pellet TSP, diameter less than or equal to 10 μm, the diameter of m is less than or equal to 2.5 μm thin
Particulate matter PM2.5.
10 microns of partial size or more of particulate matter can be blocked in outside the nose of people；Partial size in 10 microns of particulate matters below,
That is PM10, presence that can be permanent in surrounding air is able to enter the upper respiratory tract, larger to Health Impact, is inhaled by human body
It after entering, is accumulated in respiratory system, causes a variety of diseases of human body；Partial size is in 2.5 microns of fine particles below, i.e. PM2.5
(be less than the hairline thickness of people 1/20), is not easy to be blocked, and can be directly entered bronchus after being inhaled into human body, interfere lung
Gas exchanges, cause include asthma, bronchitis and cardiovascular disease etc. disease.These particles can also pass through branch gas
Pipe and alveolar enter blood, and the dissolutions such as pernicious gas therein, heavy metal are in blood, bigger to the injury of human health.
PM2.5 can also become the carrier of virus and bacterium, add fuel to the flames for the propagation of respiratory infectious disease.PM2.5 also will form gray haze,
It reduces visibility, influence ecological environment, and by long-distance sand transport, cause regional or global environmental problem, or even influence
What climate change, PM10 and PM2.5 had become environmental air quality monitoring must survey parameter.
The automatic monitoring method of air particle has at present: β attenuation sensors, trace oscillating balance method, light scattering method.β
Attenuation sensors are mainly the mass concentration for calculating particulate matter by the loss of the filter paper with particulate matter by measurement ray；
Trace oscillating balance method is that a kind of method for being deposited on particulate matter quality on filter membrane is calculated by the variation of measurement frequency of oscillation；
Light scattering method is mainly to be directly realized by the measurement of aerosol optical partial size to the scattering of light using particulate matter, be one kind it is non-contact,
Online measurement method.Three class automatic monitor is shared using β ray method measurement particulate matter at present, one is single channel particle
Object monitor can only realize the measurement of the single parameter of PM10 or PM2.5；The second is pair of double β ray detectors and double radiator beta-rays
Channel particulate object automatic detection device；The third is the binary channels particulate matter of list β ray detector and single radiator beta-ray detects dress automatically
It sets.The existing automatic monitor using β ray method measurement particulate matter has the following problems:
1, single channel particle monitoring instrument
It can only realize the measurement of the single parameter of PM10 or PM2.5, therefore measure two parameters and two instruments is needed to supervise simultaneously
It surveys, volume is big, and occupied space is more, and at high cost, maintenance cost is more, and maintenance capacity is big.
2, the binary channels particulate matter automatic detection device of double β ray detectors and double radiator beta-rays
The quasi-instrument has following characteristics:
(1) two β ray detectors and two radiator beta-rays are used simultaneously, and manufacturing cost is high；
(2) β ray detector and radiator beta-ray periodically need to calibrate and clean, and maintenance cost is high；
(3) two-way flow control system is used, manufacturing cost and maintenance cost are high；Therefore the manufacture and dimension of such equipment
Protect higher cost.
3, the binary channels particulate matter automatic detection device of list β ray detector and single radiator beta-ray
The quasi-instrument has following characteristics:
Although having only used a β ray detector and a radiator beta-ray, since its binary channels uses parallel construction,
It can only realize by driving detection part loopy moving and detect PM10 and PM2.5 particulate matter respectively；Therefore the instrument will have two
There is the servo-control system that circulation driving is carried out to detection part on road respectively to the flow control system of binary channels control again,
So the device manufacturing and maintenance cost are higher.
For above-mentioned technical problem of the existing technology, how to research and develop that one kind only uses single β ray detector and list β is put
It penetrates source, reduces manufacture and maintenance cost, easy to use, both monitor utensil of achievable double particulate matter on-line continuous sampling processes
There is important realistic meaning.
Summary of the invention
The utility model provides a kind of particulate matter prison that can measure two kinds of particles amount of substance concentration aiming at the above problem
Survey device.
To achieve the above object, the utility model adopts the following technical solution, and the utility model includes that particulate separation takes
Egf block, particulate matter dirt sample sorting module, sample gas humidity control module, particle sampling detection module and constant flow regulation module,
The output end of its structural feature particulate separation sampling module is connected with the input terminal of particulate matter dirt sample sorting module, particulate matter dirt
Sample sorting module output end be connected with the input terminal of sample gas humidity control module, the output end of sample gas humidity control module and
The input terminal of grain object sample detecting module is connected, the output end of particle sampling detection module and the input terminal of constant flow regulation module
It is connected；
The particulate matter dirt sample sorting module includes that put-through channel, particle cutting channel again and control through cutting again are straight
A conversion portion being connected to the output end of particulate separation sampling module is selected in circulation passage import, again cutting channel import, is led directly to
Channel outlet and again cutting channel outlet are connected with the input terminal of particle sampling detection module.
As a preferred embodiment, conversion portion described in the utility model uses three-way change-over valve, three-way change-over valve import
It is connected with the output end of particulate separation sampling module, three-way change-over valve first outlet is connected with put-through channel import, and threeway turns
Valve second outlet is changed to be connected with cutting channel import again.
As another preferred embodiment, particulate separation sampling module described in the utility model includes the first cutter, removes
Water bottle, virtual impact formula cutter and sampling pipe, with except water bottle is connected, the output end of the first cutter passes through the first cutter
Sampling pipe is connect with the input terminal of particulate matter dirt sample sorting module.
As another preferred embodiment, the second cutter is provided on cutting channel again described in the utility model.
As another preferred embodiment, the cutting particle of the first cutter described in the utility model is greater than the second cutter
Cut particle.
As another preferred embodiment, the first cutter described in the utility model is PM10 cutter.
As another preferred embodiment, the second cutter described in the utility model is PM2.5 cutter.
As another preferred embodiment, conversion portion described in the utility model makes put-through channel and particulate separation sampling mold
The output end of block is connected to, and by time T, obtains first group of particulate matter on the filter-paper-tape of particle sampling detection module, and first
The quality of group particulate matter is denoted as quality one；Later, conversion portion makes again the output of cutting channel Yu particulate separation sampling module
End connection, by identical time T, obtains second group of particulate matter, the quality of second group of particulate matter is denoted as quality on filter-paper-tape
Two；Second group of particulate matter includes first group of particulate matter and the smaller diameter particles object by the output of cutting channel again, with quality two
It subtracts quality one and obtains the quality of smaller diameter particles object.
As another preferred embodiment, conversion portion described in the utility model is alternately converted by certain time interval.
As another preferred embodiment, conversion portion described in the utility model is alternately converted by 5~15 minute time intervals.
As another preferred embodiment, sample gas humidity control module described in the utility model includes sampling pipe heat block, protects
Temperature set and sample air humidity degree modulator, sampling pipe heat block and muff covering is mounted on sampling pipe periphery, sampling pipe import with
Grain object dirt sample sorting module output end is connected.
As another preferred embodiment, particle sampling detection module described in the utility model includes nozzle, filter-paper-tape, filter
Paper tape mobile control division, motor driving wheel, β-ray detector, nozzle lifting control mechanism, beta ray source, driven wheel and tensioning device
Structure, on the motor driving wheel and right side driven wheel that filter-paper-tape is set in, filter-paper-tape mobile control division controls motor driving wheel rotation,
Strainer is used for the tensioning of filter-paper-tape, and nozzle inlet is connected with the output end of sample gas humidity control module, and nozzle exit is set
Beta ray source is set, filter-paper-tape is arranged below nozzle, and β-ray detector is arranged below filter-paper-tape, the detection of β-ray detector
Channel output end mouth is connected with the input terminal of constant flow regulation module.
As another preferred embodiment, constant flow regulation module described in the utility model includes flow controlling unit and sampling
The input terminal of pump, sampling pump is connected by flow controlling unit with the output end of particle sampling detection module.
Secondly, flow controlling unit described in the utility model include mass flow sensor, filter, temperature sensor,
Pressure sensor and humidity sensor, the input terminal of filter pass through the output end phase of pipeline and particle sampling detection module
Even, pressure sensor, temperature sensor and humidity sensor are mounted on the pipeline, and filter output end is passed by mass flow
Sensor is connected with sampling pump.
In addition, particulate separation sampling module described in the utility model, particulate matter dirt sample sort module, sample gas humid control
Module, particle sampling detection module, constant flow regulation module are from top to bottom set gradually；Particulate separation sampling module, particle
The particulate matter transmission channel that object dirt sample sorts in module and sample gas humidity control module is vertical.
The utility model beneficial effect.
The utility model is arranged particulate matter dirt sample and sorts module, and the particulate matter in air is cut by put-through channel and again logical
Behind road, being precisely separating for particulate matter is completed.Only need constant flow regulation module, all the way sample gas humidity control module and single channel all the way
Grain object sample detecting module, both the continuous on-line monitoring of achievable double particulate matters, considerably reduced instrument manufacturing cost with after
Phase cost of use.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawings and detailed description.Scope of protection of the utility model
It is not only limited to the statement of the following contents.
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is particle sampling detection module structural schematic diagram in the utility model.
Fig. 3 is the contrast table for the data that the utility model is published in a certain one day test data in place and country.
Figure label is as follows:
1, particulate separation sampling module；2, particulate matter dirt sample sorts module；3, sample gas humidity control module；4, particulate matter
Sample detecting module；5, constant flow regulation module；6, filter-paper-tape；7, motor driving wheel；8, β ray detector；9, nozzle lifting control
Mechanism processed；10, beta ray source；11, driven wheel；12, strainer；13, the second cutter；14, conversion portion；15, it leads directly to logical
Road.
Specific embodiment
As shown, the utility model includes particulate separation sampling module 1, particulate matter dirt sample sorting module 2, sample air humidity
Spend control module 3, particle sampling detection module 4 and constant flow regulation module 5, the output end of particulate separation sampling module 1 with
The input terminal that particulate matter dirt sample sorts module 2 is connected, and particulate matter dirt sample sorts the output end and sample gas humidity control module of module 2
3 input terminal is connected, and the output end of sample gas humidity control module 3 is connected with the input terminal of particle sampling detection module 4, particle
The output end of object sample detecting module 4 is connected with the input terminal of constant flow regulation module 5；
The particulate matter dirt sample sorting module 2 includes put-through channel 15, particle through the cutting channel again cut again and control
15 import of put-through channel processed, a converter section being connected to the output end of particulate separation sampling module 1 is selected in cutting channel import again
Divide 14, the outlet of put-through channel 15 and again cutting channel outlet are connected with the input terminal of particle sampling detection module 4.
The conversion portion 14 uses three-way change-over valve, and three-way change-over valve import is defeated with particulate separation sampling module 1
Outlet be connected, three-way change-over valve first outlet is connected with 15 import of put-through channel, three-way change-over valve second outlet with cut again it is logical
Road import is connected.
The particulate separation sampling module 1 includes the first cutter, removes water bottle, virtual impact formula cutter and sampling
Pipe, for the first cutter with except water bottle is connected, the output end of the first cutter sorts module 2 by sampling pipe and particulate matter dirt sample
Input terminal connection.
The second cutter 13 is provided on the cutting channel again.
The cutting particle of first cutter is greater than the cutting particle of the second cutter 13.
First cutter is PM10 cutter.
Second cutter 13 is PM2.5 cutter.
PM10 cutter and PM2.5 cutter is respectively adopted in first cutter and the second cutter 13, can reach survey simultaneously
Determine the mass concentration of PM10 and PM2.5 particulate matter in atmospheric environment.
The conversion portion 14 is connected to put-through channel 15 and the output end of particulate separation sampling module 1, by the time
T, obtains first group of particulate matter on filter-paper-tape 6, and the quality of first group of particulate matter is denoted as quality one；Later, conversion portion 14 makes
Cutting channel is connected to the output end of particulate separation sampling module 1 again, and by identical time T, is obtained on filter-paper-tape 6
Two groups of particulate matters, the quality of second group of particulate matter are denoted as quality two；Second group of particulate matter includes first group of particulate matter and passes through again
The smaller diameter particles object of cutting channel output, subtracts quality one with quality two and obtains the quality of smaller diameter particles object.It realizes
The mass concentration of two kinds of particles objects is detected simultaneously.Quality one and quality two are measured as the prior art, and details are not described herein again.
By way of above-mentioned carry out difference calculating, detection data quick and precisely, is easy to implement automatic on-line and continuously monitors.
The conversion portion 14 is alternately converted by certain time interval.
Multiple groups the can be calculated by being converted within a period of time (such as 1 hour) by the alternating of conversion portion 14
One group of particulate matter and smaller diameter particles amount of substance are averaged respectively, to determine first group of particulate matter and smaller diameter particles object
Mass concentration.
The conversion portion 14 is alternately converted by 5~15 minute time intervals.
The conversion portion 14 is alternately converted by 5 minute time intervals.
The sample gas humidity control module 3 includes that sampling pipe heat block, muff and sample air humidity degree modulator, sampling pipe add
Heat block and muff covering are mounted on sampling pipe periphery, and sampling pipe import is connected with particulate matter dirt sample sorting 2 output end of module.Sample
Air humidity degree modulator can be connected to a computer, and carry out humidity regulation.It, can dynamic regulation gas circuit by controlling sampling pipe heat block
Humidity, guarantee measurement accuracy.
The particle sampling detection module 4 includes nozzle, filter-paper-tape 6,6 mobile control division of filter-paper-tape, motor driving wheel
7, β-ray detector 8, nozzle lifting control mechanism 9, beta ray source 10, driven wheel 11 and strainer 12, filter-paper-tape 6 are set in
Motor driving wheel 7 and right side driven wheel 11 on, 6 mobile control division of filter-paper-tape control motor driving wheel 7 rotate, strainer 12
For the tensioning of filter-paper-tape 6, nozzle inlet is connected with the output end of sample gas humidity control module 3, and β ray is arranged in nozzle exit
Source 10, filter-paper-tape 6 are arranged below nozzle, and β-ray detector 8 is arranged below filter-paper-tape 6, and the detection of β-ray detector 8 is logical
Road output port is connected with the input terminal of constant flow regulation module 5.
The constant flow regulation module 5 includes flow controlling unit and sampling pump, and the input terminal of sampling pump passes through flow control
Unit is connected with the output end of particle sampling detection module 4.
The flow controlling unit of constant flow regulation module can make the stability of flow of particulate matter full tunnel in 16.67L/min.
The flow controlling unit includes mass flow sensor, filter, temperature sensor, pressure sensor and humidity
The input terminal of sensor, filter is connected by pipeline with the output end of particle sampling detection module 4, pressure sensor, temperature
Degree sensor and humidity sensor are mounted on the pipeline, and filter output end is connected by mass flow sensor with sampling pump
It connects.
The particulate separation sampling module 1, particulate matter dirt sample sort module 2, sample gas humidity control module 3, particulate matter
Sample detecting module 4, constant flow regulation module 5 are from top to bottom set gradually；Particulate separation sampling module 1, particulate matter dirt sample point
Particulate matter transmission channel in modeling block 2 and sample gas humidity control module 3 is vertical.
As shown in figure 3, environmental monitoring is the data that country publishes, reduced value is the application monitoring data divided by country
The value that the data published obtain.It can be concluded that, the application monitoring data have high accuracy from figure.
It is understood that being merely to illustrate the utility model above with respect to the specific descriptions of the utility model and not being
It is limited to technical solution described in the utility model embodiment, those skilled in the art should understand that, it still can be with
It modifies to the utility model or equivalent replacement, to reach identical technical effect；Needs are used as long as meeting, all in this reality
Within novel protection scope.
Claims (10)
1. a kind of particle monitoring device, including particulate separation sampling module, particulate matter dirt sample sort module, sample air humidity degree control
Molding block, particle sampling detection module and constant flow regulation module, it is characterised in that the output end of particulate separation sampling module
It is connected with the input terminal of particulate matter dirt sample sorting module, particulate matter dirt sample sorts the output end and sample gas humidity control module of module
Input terminal be connected, the output end of sample gas humidity control module is connected with the input terminal of particle sampling detection module, particulate matter
The output end of sample detecting module is connected with the input terminal of constant flow regulation module；
The particulate matter dirt sample sorting module includes that put-through channel, particle cutting channel again and control through cutting again are straight-through logical
A conversion portion being connected to the output end of particulate separation sampling module, put-through channel are selected in road import, again cutting channel import
Outlet and again cutting channel outlet are connected with the input terminal of particle sampling detection module.
2. a kind of particle monitoring device according to claim 1, it is characterised in that the conversion portion is converted using threeway
Valve, three-way change-over valve import are connected with the output end of particulate separation sampling module, and three-way change-over valve first outlet is led to straight-through
Road import is connected, and three-way change-over valve second outlet is connected with cutting channel import again.
3. a kind of particle monitoring device according to claim 1, it is characterised in that the particulate separation sampling module packet
Include the first cutter, except water bottle, virtual impact formula cutter and sampling pipe, with except water bottle is connected, first cuts the first cutter
The output end of cutter is connect by sampling pipe with the input terminal that particulate matter dirt sample sorts module.
4. a kind of particle monitoring device according to claim 1, it is characterised in that be provided on the cutting channel again
Two cutters.
5. a kind of particle monitoring device according to claim 3, it is characterised in that first cutter is PM10 cutting
Device.
6. a kind of particle monitoring device according to claim 4, it is characterised in that second cutter is PM2.5 cutting
Device.
7. a kind of particle monitoring device according to claim 1, it is characterised in that the conversion portion make put-through channel with
The output end of particulate separation sampling module is connected to, and by time T, first group of particle is obtained at particle sampling detection module
Object, the quality of first group of particulate matter are denoted as quality one；Later, conversion portion makes again cutting channel and particulate separation sampling module
Output end connection obtain second group of particulate matter at particle sampling detection module by identical time T, second group
The quality of grain object is denoted as quality two；Second group of particulate matter includes first group of particulate matter and is exported by cutting channel again smaller straight
Diameter particulate matter subtracts quality one with quality two and obtains the quality of smaller diameter particles object.
8. a kind of particle monitoring device according to claim 1, it is characterised in that the conversion portion is pressed between certain time
Every alternately conversion.
9. a kind of particle monitoring device according to claim 1, it is characterised in that when the conversion portion is pressed 5~15 minutes
Between alternate conversion.
10. a kind of particle monitoring device according to claim 1, it is characterised in that the particulate separation sampling module,
Particulate matter dirt sample sort module, sample gas humidity control module, particle sampling detection module, constant flow regulation module from top to bottom according to
Secondary setting；Particulate matter transmission in particulate separation sampling module, particulate matter dirt sample sorting module and sample gas humidity control module
Channel is vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821598024.1U CN209102571U (en) | 2018-09-29 | 2018-09-29 | A kind of particle monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821598024.1U CN209102571U (en) | 2018-09-29 | 2018-09-29 | A kind of particle monitoring device |
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| Publication Number | Publication Date |
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| CN209102571U true CN209102571U (en) | 2019-07-12 |
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ID=67153948
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821598024.1U Active CN209102571U (en) | 2018-09-29 | 2018-09-29 | A kind of particle monitoring device |
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| CN (1) | CN209102571U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238933A (en) * | 2018-09-29 | 2019-01-18 | 沈阳利凯环境仪器有限公司 | A kind of particle monitoring device |
| CN112304828A (en) * | 2020-09-11 | 2021-02-02 | 安徽曼德克环境科技有限公司 | Raise dust on-line monitoring system |
-
2018
- 2018-09-29 CN CN201821598024.1U patent/CN209102571U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109238933A (en) * | 2018-09-29 | 2019-01-18 | 沈阳利凯环境仪器有限公司 | A kind of particle monitoring device |
| CN112304828A (en) * | 2020-09-11 | 2021-02-02 | 安徽曼德克环境科技有限公司 | Raise dust on-line monitoring system |
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