CN206832535U - A kind of air pressure detection type air/particle sampler - Google Patents
A kind of air pressure detection type air/particle sampler Download PDFInfo
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- CN206832535U CN206832535U CN201720726247.0U CN201720726247U CN206832535U CN 206832535 U CN206832535 U CN 206832535U CN 201720726247 U CN201720726247 U CN 201720726247U CN 206832535 U CN206832535 U CN 206832535U
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- mainframe box
- cutter
- analysis module
- air pressure
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Abstract
It the utility model is related to atmospheric monitoring technical field, more particularly to a kind of air pressure detection type air/particle sampler, including mainframe box, cutter, blower fan, wind transducer and baroceptor, the blower fan is by driven by Brush-Less DC motor, magnetic valve and gas flow sensor are installed in cutter, mainframe box is internally provided with controller module, processor module, particulate matter analysis module and gas analysis module, the input signal end of the controller module connects the wind transducer, air velocity transducer, output signal end connects the magnetic valve and DC brushless motor, the signal input part of the processor module connects the gas flow sensor, particulate matter analysis module and gas analysis module, signal output part connects the display.The utility model has intelligent decision environmental information, automatically adjusts rotation speed of fan, produces constant negative pressure, and sampling efficiency is high, and monitoring result is accurate, the advantages that without real-time manual operation.
Description
Technical field
It the utility model is related to atmospheric monitoring technical field, and in particular to a kind of air pressure detection type air/particle sampling
Device.
Background technology
Air sampler is a kind of detecting instrument commonly used when environmental monitoring department is monitored to atmospheric environment, and it is row
Enter the working measuring instrument of state compulsion calibrating catalogue.The source of atmosphere pollution is useless except normal people life is brought
Gas, into particulate matter in air etc., in addition to the production in waste gas (such as vehicle exhaust), all kinds of production processes caused by consumption
Caused large quantity of exhaust gas and the particulate matter entered in air in raw pollutant etc., especially process of factory production.
Preferably to solve problem of environmental pollution, the detection to this pollutant also becomes particularly important, detects in the past
Mode, all it is manual operation, simple equipment is placed on to the lower air port of tested unit, according to value set in advance and weather
Situation, the sampling, collection and detection of atmospheric sample are carried out, in some cases, such as to the atmospheric environment near pollution sources
During sampling, it is desirable to carry out under given conditions, such as, it is desirable to ambient wind during a certain specific wind direction to be sampled.Artificially
The method of operation is not only cumbersome, and needs human attendance, and instrument can not also carry out judging whether to be adopted automatically
Sample, collection and the work of detection, thus it is extremely inefficient, but also weather conditions are relied on serious, it is difficult to carry out continuous and effective
Automatically monitoring.
In addition, when environment wind direction meets specific wind direction, when being sampled to atmospheric environment, due to ambient wind velocity, atmospheric pressure
By force, the difference of the factor such as atmospheric temperature and atmospheric humidity, to the testing result after sampling, different influences is also had, it is necessary to one
Kind atmosphere particulate matter sampler, can eliminate the interference of above-mentioned environmental factor.
Utility model content
According to the deficiencies in the prior art, the utility model provides a kind of air pressure detection type air/particle sampler, with
Solution prior art manual operation is cumbersome, and sampling efficiency is low, and testing result is easily by technical problems such as environmental factor interference.
Air pressure detection type air/particle sampler of the present utility model, including mainframe box, cutter, blower fan, wind direction pass
Sensor, baroceptor, the cutter are arranged on the top of the mainframe box, and it is gentle to be provided with magnetic valve on the cutter
Body flow sensor, the assembling is in the inside of the mainframe box, and the blower fan is by driven by Brush-Less DC motor, the wind
The top of the mainframe box is arranged on to sensor, the baroceptor is arranged on the inside of the mainframe box, for detecting
Air pressure inside sampler；The outside of the mainframe box is provided with display, and the mainframe box is internally provided with controller mould
Block, processor module, particulate matter analysis module and gas analysis module, the particulate matter analysis module, gas analysis module are set
Put between the cutter and the blower fan, the input signal end connection wind transducer of the controller module is gentle
Pressure sensor, the output signal end of the controller module connect the magnetic valve and the DC brushless motor, the processing
The signal input part of device module connects gas flow sensor, particulate matter analysis module and the gas analysis module, the place
The signal output part for managing device module connects the display.
Preferably, the inside of the mainframe box is additionally provided with clock module, the input signal end of the clock module connects
The controller module is connect, output signal end connects the processor module.
Preferably, the cutter is included in PM10 cutters, PM5 cutters, PM2.5 cutters, PM1 cutters
It is one or more.
Preferably, the gas analysis module includes the absorption bottle that multichannel is directed to gas with various.
Preferably, being additionally provided with temperature sensor outside the mainframe box, the inside of the mainframe box is additionally provided with constant temperature
Unit, the constant temperature unit are arranged between the cutter and the particulate matter analysis module, the letter of the temperature sensor
Number output end connects the controller module, and the signal input part of the constant temperature unit connects the controller module.
Preferably, it is additionally provided with drying bottle between the constant temperature unit and the cutter.
Air pressure detection type air/particle sampler of the present utility model at work, ring is gathered by wind transducer
Border wind direction, controller module judge whether current wind direction meets sampling condition, if the differential seat angle of current wind direction and pre-sampling wind direction
More than preset value a, then controller module controls the closed electromagnetic valve, and the DC brushless motor is out of service, and sampler is not
Work；If the differential seat angle of current wind direction and pre-sampling wind direction is less than preset value a, controller module controls the magnetic valve to beat
To open, the DC brushless motor is brought into operation, and blower fan rotates to form negative pressure, and sampler is started working, meanwhile, baroceptor inspection
The air pressure b surveyed inside sampler, and air pressure b signals are delivered to the controller module, controller module judges current gas
When pressing b more than default negative pressure c, the DC brushless motor is controlled to accelerate to rotate, controller module judges that current gas pressure b is less than in advance
If during negative pressure c, controlling the DC brushless motor underdrive, DC brushless motor adjustment rotating speed, to sampler inside gas
B is pressed to stablize in preset pressure c, using DC brushless motor, motor speed is regulated the speed comparatively fast.Processor module receives gas stream
The data message of quantity sensor, particulate matter analysis module and gas analysis module, and obtained particulate matter and various gas will be handled
The content of body pollution thing is output on display.
In addition, constant temperature unit, drying bottle are set, it is ensured that the gas temperature detected into sampler inside mainframe box
Degree, humidity are consistent, and ambient atmos temperature, humidity is not turned into the factor for influenceing Atmospheric particulates testing result.
Air pressure detection type air/particle sampler of the present utility model, has intelligent decision environmental information, automatically adjusts
Rotation speed of fan, constant negative pressure is produced, sampling efficiency is high, and monitoring result is accurate, the advantages that without real-time manual operation.
Brief description of the drawings
Fig. 1 is the overall structure diagram of air pressure detection type air/particle sampler of the present utility model；
Fig. 2 is the circuit structure schematic diagram of air pressure detection type air/particle sampler of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
As shown in Figure 1, 2, the air pressure detection type air/particle sampler of the present embodiment, including mainframe box (1), cutting
Device (2), blower fan (3), wind transducer (4) and baroceptor (5), the cutter (2) are arranged on the mainframe box (1)
Top, magnetic valve (21) and gas flow sensor (22) are installed on the cutter (2), the blower fan (3) is arranged on institute
The inside of mainframe box (1) is stated, the blower fan (3) is driven by DC brushless motor (31), and the wind transducer (4) is arranged on institute
The top of mainframe box (1) is stated, the baroceptor (5) is arranged on the inside of the mainframe box, for detecting inside sampler
Air pressure；The outside of the mainframe box (1) is provided with display, and the mainframe box (1) is internally provided with controller module
(11), processor module (12), particulate matter analysis module (13) and gas analysis module (14), the particulate matter analysis module
(13), gas analysis module (14) is arranged between the cutter (2) and the blower fan (3), the controller module (11)
Input signal end connect the wind transducer (4), baroceptor (5), the output signal of the controller module (11)
End connects the magnetic valve (21) and the DC brushless motor (31), the signal input part connection of the processor module (12)
The gas flow sensor (22), particulate matter analysis module (13) and gas analysis module (14), the processor module
(12) signal output part connects the display.
The air pressure detection type air/particle sampler of the present embodiment gathers ring at work, by wind transducer (4)
Border wind direction, controller module (11) judge whether current wind direction meets sampling condition, if the angle of current wind direction and pre-sampling wind direction
Degree difference is more than preset value a, then controller module (11) controls the magnetic valve (21) to close, and the DC brushless motor (31) is stopped
Only run, sampler does not work；If the differential seat angle of current wind direction and pre-sampling wind direction is less than preset value a, controller module
(11) magnetic valve (21) is controlled to open, the DC brushless motor (31) brings into operation, and blower fan (3) rotates and forms negative pressure,
Sampler is started working, meanwhile, the air pressure b inside baroceptor (5) detection sampler, and air pressure b signals are delivered to
The controller module (11), when controller module (11) judges that current gas pressure b is more than default negative pressure c, control the direct current without
Brush motor (31) accelerate rotate, controller module (11) judge current gas pressure b be less than preset negative pressure c when, control the direct current without
Brush motor (31) underdrive, DC brushless motor (31) adjustment rotating speed, to sampler inside air pressure b it is stable in preset pressure
C, using DC brushless motor (31), motor speed is regulated the speed comparatively fast, and precision is higher, is started rapidly, and noise is smaller.Processing
Device module (12) receives the data letter of gas flow sensor (22), particulate matter analysis module (13) and gas analysis module (14)
Breath, and the content for handling obtained particulate matter and various gas pollutants is output on display.
Further, the inside of the mainframe box in this implementation (1) is additionally provided with clock module (15), the clock module
(15) input signal end connects the controller module (11), and output signal end connects the processor module (12).Clock
Module records the processing that the information such as time signal, the initial time of sampling, dwell time passes through processor module (12), is shown in
On the outside display of mainframe box (1).
Further, the cutter in the present embodiment (2) include PM10 cutters, PM5 cutters, PM2.5 cutters,
One or more of PM1 cutters, the cutter of multiple different models can be installed in the same time, while to a variety of differences
The Atmospheric particulates of particle diameter are monitored, simple to operate, and monitoring result is accurate.
Further, the gas analysis module in the present embodiment (14) includes the absorption bottle that multichannel is directed to gas with various,
For being detected to the content of different gas pollutants.
Further, temperature sensor (16), the mainframe box are additionally provided with outside the mainframe box in the present embodiment (1)
(1) inside is additionally provided with constant temperature unit (17), and the constant temperature unit (17) is arranged on the cutter (2) and the particulate matter
Between analysis module (13), the signal output part of the temperature sensor (16) connects the controller module (11), the perseverance
The signal input part of warm unit (17) connects the controller module (11).It can ensure to enter inside sampler what is detected
Gas temperature is consistent, and ambient atmos temperature is not turned into the factor for influenceing Atmospheric particulates testing result.
Further, it is additionally provided with drying bottle between the constant temperature unit in the present embodiment (17) and the cutter (2)
(18).It can ensure that entering inside sampler the gas humidity detected is consistent, and makes ambient atmos humidity not turn into
Influence the factor of Atmospheric particulates testing result.
It should be noted that herein, such as first and second etc relational terms are used merely to an entity
Either operation makes a distinction with another entity or operation, and not necessarily requires and either imply between these entities or operation
Any this actual relation or order be present.Moreover, term " comprising ", "comprising" or other variants are intended to non-row
His property includes, so that process, method, article or equipment including a series of elements not only include those key elements, also
Including the other element being not expressly set out.
Preferred embodiment of the present utility model is the foregoing is only, not to limit the utility model, should be referred to
Go out, for those skilled in the art, on the premise of the application principle is not departed from, can also make some
Improvements and modifications, all within the spirit and principles of the utility model, any modification, equivalent substitution and improvements made etc., all should
It is considered as within the scope of protection of the utility model.
Claims (6)
- A kind of 1. air pressure detection type air/particle sampler, it is characterised in that：Including mainframe box, cutter, blower fan, wind direction Sensor, baroceptor, the cutter are arranged on the top of the mainframe box, be provided with the cutter magnetic valve and Gas flow sensor, the assembling are described by driven by Brush-Less DC motor in the inside of the mainframe box, the blower fan Wind transducer is arranged on the top of the mainframe box, and the baroceptor is arranged on the inside of the mainframe box, for examining The air pressure surveyed inside sampler；The outside of the mainframe box is provided with display, and the mainframe box is internally provided with controller Module, processor module, particulate matter analysis module and gas analysis module, the particulate matter analysis module, gas analysis module Be arranged between the cutter and the blower fan, the input signal end of the controller module connect the wind transducer and Baroceptor, the output signal end of the controller module connect the magnetic valve and the DC brushless motor, the place The signal input part for managing device module connects gas flow sensor, particulate matter analysis module and the gas analysis module, described The signal output part of processor module connects the display.
- A kind of 2. air pressure detection type air/particle sampler as claimed in claim 1, it is characterised in that：The mainframe box Inside be additionally provided with clock module, the input signal end of the clock module connects the controller module, output signal end Connect the processor module.
- A kind of 3. air pressure detection type air/particle sampler as claimed in claim 1, it is characterised in that：The cutter Including one or more of PM10 cutters, PM5 cutters, PM2.5 cutters, PM1 cutters.
- A kind of 4. air pressure detection type air/particle sampler as claimed in claim 1, it is characterised in that：The gas point Analysing module includes the absorption bottle that multichannel is directed to gas with various.
- A kind of 5. air pressure detection type air/particle sampler as claimed in claim 1, it is characterised in that：The mainframe box Outer to be additionally provided with temperature sensor, the inside of the mainframe box is additionally provided with constant temperature unit, and the constant temperature unit is arranged on described Between cutter and the particulate matter analysis module, the signal output part of the temperature sensor connects the controller module, The signal input part of the constant temperature unit connects the controller module.
- A kind of 6. air pressure detection type air/particle sampler as claimed in claim 5, it is characterised in that：The constant temperature list It is first to be additionally provided with drying bottle between the cutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720726247.0U CN206832535U (en) | 2017-06-21 | 2017-06-21 | A kind of air pressure detection type air/particle sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720726247.0U CN206832535U (en) | 2017-06-21 | 2017-06-21 | A kind of air pressure detection type air/particle sampler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206832535U true CN206832535U (en) | 2018-01-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720726247.0U Active CN206832535U (en) | 2017-06-21 | 2017-06-21 | A kind of air pressure detection type air/particle sampler |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318299A (en) * | 2018-02-06 | 2018-07-24 | 刘砚涛 | A kind of Intelligent air automatic sampler for occupational health |
| CN111948106A (en) * | 2020-08-11 | 2020-11-17 | 陈海南 | City air networking check out test set |
-
2017
- 2017-06-21 CN CN201720726247.0U patent/CN206832535U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318299A (en) * | 2018-02-06 | 2018-07-24 | 刘砚涛 | A kind of Intelligent air automatic sampler for occupational health |
| CN111948106A (en) * | 2020-08-11 | 2020-11-17 | 陈海南 | City air networking check out test set |
| CN111948106B (en) * | 2020-08-11 | 2021-09-07 | 山东圣文环保科技有限公司 | City air networking check out test set |
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