CN208537352U - Atmospheric particulates sample lines integrate quality control system - Google Patents
Atmospheric particulates sample lines integrate quality control system Download PDFInfo
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- CN208537352U CN208537352U CN201820952058.XU CN201820952058U CN208537352U CN 208537352 U CN208537352 U CN 208537352U CN 201820952058 U CN201820952058 U CN 201820952058U CN 208537352 U CN208537352 U CN 208537352U
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Abstract
The utility model relates to a kind of comprehensive quality control systems of Atmospheric particulates sample lines, technical solution includes the particle size cutting head being located outside, positioned at indoor analysis instrument and the first gas circuit, the input end of first gas circuit connects particle size cutting head, outlet end linking parsing instrument, the outdoor pipeline portions of first gas circuit are additionally provided with outdoor line temperature probe, interior conduit part is successively arranged dynamic attemperator and electric-controlled ball valve along airintake direction, the first gas circuit pipe road where the dynamic attemperator is additionally provided with interior conduit temp probe, the output end of the outdoor line temperature probe and interior conduit temp probe is all connected with the input terminal of system control chip, the output end of the system control chip is separately connected dynamic attemperator and electric-controlled ball valve.The utility model structure is simple, be easy to be transformed, can effectively keep that sample gas temperature is constant, has the function of zero correction, measurement accuracy height, flexibility and reliability.
Description
Technical field
The utility model relates to air purification field, specifically a kind of comprehensive Quality Control system of Atmospheric particulates sample lines
System.
Background technique
Atmospheric particulates, especially fine particle (PM2.5) major issue for having become facing mankind is polluted, it is various to big
The instrument of aerated particle object analysis comes into being, and is widely used, but in practical application in, can there is some ask
Topic；1) high in summer outdoor temperature, room conditioning causes indoor tube wall temperature low, and the high sample gas of temperature enters the room, and meets
The tube wall low to temperature, the steam in sample gas can condense rapidly, this has very big shadow to the service life of instrument and the quality of data
It rings；2) when outside winter room sample gas temperature it is low, after entering the room, encounter the relatively high tube wall of temperature, will lead to unstable
Ingredient volatilization；3) it is used for the instrument of particle sampling, in order to guarantee that quality of data needs are periodically demarcated, usually each
No. 1 progress at month beginning of the month, but many instruments and the more old instrument of model do not have the function of automatic zero point calibration, manually
Demarcate time-consuming and laborious, cost of labor is very high；4) many instruments not can be carried out automatic flow monitoring, not protect to the quality of data
Barrier；5) it is empty can not to accomplish to monitor in real time the temperature and humidity of sample gas this two observations/analysis environment for most instruments
The important indicator of gas；6) valve for controlling gas circuit has not been verified, and solenoid valve will lead to the loss of particulate matter, and ball valve can have
Effect avoids this problem；7) the system of entire pipeline comprehensive control management and control chip not can not achieve automatic or remote
Process control/switching gas circuit can not receive the operating status of each monitoring device and remotely check observed result.These problems are to instrument
The quality of device and data produces serious influence, and this is the problem of most monitoring stations can all encounter again, solves this
A little problems are very urgent, can not only reduce manpower and material resources cost, most importantly can effectively improve the quality of data.
Summary of the invention
Purpose of the utility model is to solve above-mentioned technical problem, provide that a kind of structure is simple, be easy to be transformed, can
Effectively holding sample gas temperature is constant, have the function of zero correction, measurement accuracy is high, flexibility and reliability Atmospheric particulates sampling
Pipeline integrates quality control system.
Technical solution includes the particle size cutting head being located outside, is located at indoor analysis instrument and the first gas circuit,
The input end of first gas circuit connects particle size cutting head, outlet end linking parsing instrument, the room of first gas circuit
Outer pipeline portions are additionally provided with outdoor line temperature probe, interior conduit part along airintake direction be successively arranged dynamic attemperator and
Electric-controlled ball valve, the first gas circuit pipe road where the dynamic attemperator are additionally provided with interior conduit temp probe, the outdoor
The output end of line temperature probe and interior conduit temp probe is all connected with the input terminal of system control chip, the system control
The output end of chip is separately connected dynamic attemperator and electric-controlled ball valve.
The dynamic attemperator includes refrigerating plant and heating combined equipment.
The heating combined equipment includes the heater strip being wrapped in the first gas circuit, and the refrigerating plant includes being mounted on the first gas
The cooling piece of road.
It further include having the second gas circuit, the both ends of second gas circuit are connect with the both ends of the electric-controlled ball valve respectively, described
Second gas circuit is successively arranged solenoid valve and high efficiency particulate air filter into direction along gas, and the output end of the system control chip connects electromagnetism
Valve.
Second gas circuit is successively arranged solenoid valve, high efficiency particulate air filter and flowmeter into direction along gas, the flowmeter
The input terminal of output end connection system control chip.
The intersection of first gas circuit and the outlet of the second gas circuit is additionally provided with warm and humid probe, and the warm and humid probe output end connects
The input terminal of welding system control chip.
The problem of for background technique, inventor is improved as follows: (1) the interior conduit part of the first gas circuit
It is additionally arranged dynamic attemperator, there is heating and the cold function of heat, passes through interior conduit temp probe and outdoor line temperature probe
The gas temperature in the first gas circuit of indoor and outdoor is monitored respectively, by system control chip calculating temperature difference, issues heating or hot cold control
System instruction, is heated or is cooled down to the gas in the first gas circuit, to make the gas temperature into before analysis instrument as far as possible
It is close with the gas temperatures of taken outdoors, to solve the problems, such as various caused by indoor/outdoor temperature-difference, improve detection accuracy and instrument
The device service life.Valve selection in (2) first gas circuits uses electric-controlled ball valve replacement of solenoid valve, proves through many experiments, in solenoid valve
It is broken line type access, particulate matter can be made to collide, lead to the loss of particulate matter, and be straight-through road in ball valve, does not will cause particulate matter
Loss, detection accuracy can be further increased.(3) increase the second gas circuit for zero point calibration, by close electric-controlled ball valve,
Opens solenoid valve, open second gas circuit, is sent into analysis instrument after high efficiency particulate air filter purifies for sampled air, can be used for zero point school
Just, due to introducing be same thief hatch gas, and the first gas circuit and the second gas circuit are mutually indepedent, will not interfere with each other,
Correction high reliablity also greatly reduces manpower and material resources.(4) flowmeter is also provided in the second gas circuit, further to analysis
The flow of instrument is corrected, and guarantees the quality of data；(5) each detection device and valve are connect with system control chip, can be real
It now automatically controls, is also provided safeguard remotely to control and monitor.(6) intersection exported in first gas circuit and the second gas circuit
Warm and humid probe is added, detection enters the temperature and humidity data of gas before analysis instrument, provides more ginsengs for later data analysis
It examines.
The utility model structure is simple, setting flexibly control it is easy, convenient for being transformed to existing pipeline, can carry out automatically
Zero calibration, the sample gas in gas circuit is constant with outdoor temperature indoors, and service life of equipment is long, detection accuracy and reliability
It is high, time saving and energy saving, it has broad application prospects.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model.
Wherein, 1- particle size cutting head, line temperature probe, 3- dynamic attemperator, 4- interior conduit outside the room 2-
The warm and humid probe of temp probe, 5- solenoid valve, 6- electric-controlled ball valve, 7- high efficiency particulate air filter, 8- flowmeter, 9-, 10- system control core
Piece, the first gas circuit of 11-, the second gas circuit of 12-, 13- analysis instrument.
Specific embodiment
It says with reference to the accompanying drawing and explanation is further explained to the utility model:
The utility model includes the first gas circuit 11 and the second gas circuit 12, along airintake direction, in first gas circuit 11 successively
Equipped with the particle size cutting head 1 being located outside, outdoor line temperature probe 2, it is located at indoor dynamic attemperator 4, electricity
It controls ball valve 6 and analysis instrument 13, the spy of interior conduit temperature is additionally provided on the pipeline of the first gas circuit 11 where dynamic attemperator 4
First 3, the dynamic attemperator 4 includes refrigerating plant and heating combined equipment, and the heating combined equipment includes being wrapped in the first gas circuit 11
Heater strip on pipeline, the refrigerating plant include the cooling piece being mounted on 11 pipeline of the first gas circuit.
The connection with 6 both ends of electric-controlled ball valve respectively of the both ends of second gas circuit 12, along gas into direction, described second
Gas circuit 12 is successively arranged solenoid valve 5 and high efficiency particulate air filter 7 and flowmeter 8, what first gas circuit 11 and the second gas circuit 12 exported
Intersection is additionally provided with warm and humid probe 9.
The outer pipeline temp probe 2 of other point of the input terminal of system control chip 10 connection, interior conduit temp probe 3, flow
9 connection of meter 8 and warm and humid probe, output end are connect with electric-controlled ball valve 6 and solenoid valve 5 respectively.
Working principle:
When normal sample state: the output control signal of system control chip 10 opens electric-controlled ball valve 6, closes solenoid valve 5, adopts
Sample gas is sent into the first gas circuit 11 through particle size cutting head 1 and is entered the room by outdoor through the feeding analysis instrument of electric-controlled ball valve 5
13, wherein the sample gas temperature being located outside in 2 the first gas circuits of synchronous acquisition 11 of outdoor line temperature probe in the pipeline of part
Degree, the acquisition of interior conduit temp probe 3 are located at the sample gas temperature in indoor section pipeline, and temperature signal is sent into system control
Chip 10 carries out calculating analysis, and exports control signal to dynamic attemperator 4, specifically: when interior conduit temp probe 3 is adopted
When the gas temperature angle value collected is lower than outdoor line temperature probe 2, then the signal of heating, letter that is on the contrary then exporting refrigeration are exported
Number, the sample gas in the first gas circuit 11 is heated or cooled down, to guarantee the sampling gas of the acquisition of interior conduit temp probe 3
Body temperature angle value and the difference of the sample gas temperature value of outdoor 2 acquisition of line temperature probe within a predetermined range, are realized to the first gas
The dynamic heat insulation effect of sample gas in road 11.Further, temperature and humidity probe 9 goes back synchronous acquisition and enters adopting before analysis instrument
The temperature and humidity of sample gas obtains this important parameter, plays a significant role to data quality control.
It when correcting state, is preset in system control chip 10 correction time, No. 1 zero point such as in every month is (when Beijing
Between) system control chip 10 control open solenoid valve 5, close electric-controlled ball valve 6, sample gas first through the first tracheae 11 by outdoor into
Enter in indoor pipeline, subsequently into the second gas circuit 12, passes sequentially through solenoid valve 5 and be filtered through high efficiency particulate air filter 7 and got rid of
Particulate matter, then enter analysis instrument 13 through flowmeter 8 and carry out automatic zero point correction, while flowmeter 8 is to the stream of analysis instrument 13
Amount is demarcated, and the quality of data and detection accuracy are improved.
Claims (6)
1. a kind of comprehensive quality control system of Atmospheric particulates sample lines, including be located outside particle size cutting head, be located at
Indoor analysis instrument and the first gas circuit, the input end of first gas circuit connect particle size cutting head, outlet end connection
Analysis instrument, which is characterized in that the outdoor pipeline portions of first gas circuit are additionally provided with outdoor line temperature probe, interior conduit
Part is successively arranged dynamic attemperator and electric-controlled ball valve along airintake direction, the first gas circuit pipe where the dynamic attemperator
Road is additionally provided with interior conduit temp probe, and the output end of the outdoor line temperature probe and interior conduit temp probe connects
Welding system controls the input terminal of chip, and the output end of the system control chip is separately connected dynamic attemperator and automatically controlled ball
Valve.
2. the comprehensive quality control system of Atmospheric particulates sample lines as described in claim 1, which is characterized in that the dynamic heat preservation
Device includes refrigerating plant and heating combined equipment.
3. the comprehensive quality control system of Atmospheric particulates sample lines as claimed in claim 2, which is characterized in that the heating combined equipment
Including the heater strip being wrapped in the first gas circuit, the refrigerating plant includes the cooling piece being mounted in the first gas circuit.
4. the comprehensive quality control system of Atmospheric particulates sample lines as described in any one of claims 1-3, which is characterized in that also wrap
The second gas circuit is included, the both ends of second gas circuit are connect with the both ends of the electric-controlled ball valve respectively, and second gas circuit is along gas
It is successively arranged solenoid valve and high efficiency particulate air filter into direction, the output end of the system control chip connects solenoid valve.
5. the comprehensive quality control system of Atmospheric particulates sample lines as claimed in claim 4, which is characterized in that second gas circuit
It is successively arranged solenoid valve, high efficiency particulate air filter and flowmeter into direction along gas, the output end connection system of the flowmeter controls core
The input terminal of piece.
6. the comprehensive quality control system of Atmospheric particulates sample lines as claimed in claim 4, which is characterized in that first gas circuit
Warm and humid probe, the input of the warm and humid probe output end connection system control chip are additionally provided with the intersection of the second gas circuit outlet
End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820952058.XU CN208537352U (en) | 2018-06-20 | 2018-06-20 | Atmospheric particulates sample lines integrate quality control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820952058.XU CN208537352U (en) | 2018-06-20 | 2018-06-20 | Atmospheric particulates sample lines integrate quality control system |
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| CN208537352U true CN208537352U (en) | 2019-02-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663297A (en) * | 2018-06-20 | 2018-10-16 | 暨南大学 | Atmospheric particulates sample lines integrate quality control system |
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2018
- 2018-06-20 CN CN201820952058.XU patent/CN208537352U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663297A (en) * | 2018-06-20 | 2018-10-16 | 暨南大学 | Atmospheric particulates sample lines integrate quality control system |
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