CN105842136A - Air particulate matter concentration monitoring device and detection method thereof - Google Patents
Air particulate matter concentration monitoring device and detection method thereof Download PDFInfo
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- CN105842136A CN105842136A CN201610301484.2A CN201610301484A CN105842136A CN 105842136 A CN105842136 A CN 105842136A CN 201610301484 A CN201610301484 A CN 201610301484A CN 105842136 A CN105842136 A CN 105842136A
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Classifications
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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
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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
- G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
- G01N15/0618—Investigating concentration of particle suspensions by collecting particles on a support of the filter type
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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Abstract
The invention provides an air particulate matter concentration monitoring device. The device comprises a first detection unit (11) and a second detection unit (12), wherein the first detection unit (11) is used for acquiring first detection data, transmitting the first detection data to a processing unit through a data transmission unit (2) so as to calculate the concentration in hours of particulate matter within sampling time, and sending the concentration in hours to a server (5) though the data transmission unit (2), and the second detection unit (12) is used for acquiring second detection data, transmitting the second detection data to the server (5) though the data transmission unit (2), and obtaining final detection data through calculation by means of a calibration factor K value formula set in the server (5).
Description
Technical field
The present invention relates to a kind of air particle concentration measurement and control detection technique, particularly relate to a kind of use filter membrane weight method with
Light arching pushing combines, the monitoring device detecting air particles substrate concentration and detection method thereof.
Background technology
Currently, in world wide, the air pollution problems inherent of developing country just becomes increasingly conspicuous, and is formed with air pollution
Haze weather, shroud city, various places the most frequently, cause air quality to be remarkably decreased, day by day corrode the strong of human body
Health.
In order to improve air quality environment, expert analyze its reason, learn except traditional industrial discharge, vehicle exhaust
Outside discharge, building site, incity, city, harbour, stockyard, the airborne dust harm of road are also one of important polluter, and dust therein is through ginseng
After entering air, the harm of the Atmospheric particulates formed is extremely serious, and therefore various places environmental administration urgently wants to realize, by reality
Time monitoring Atmospheric particulates concentration, determine the surrounding impact on atmosphere particle concentration as early as possible, and effectively determine pollution
Source, provides detection foundation for reducing the control of atmosphere particle concentration.
In order to realize the problems referred to above, the air particles analyte detection that prior art is provided mainly includes two ways:
The first, use light scattering method to carry out the detection of dust, when its principle is irradiated in atmosphere on suspended particulate substance by light,
Can produce scattered light, under conditions of particulate matter character is certain, the scattered light intensity of particulate matter is directly proportional to its mass concentration
Relation, calculates present air suspended particulate matter concentration value.Apply due to the architectural characteristic of light scattering technique itself, meeting in reality
There is the decay of zero drift and light signal, cause the error in data gathered, the most can accurately not react area to be monitored
Pollution condition.And in different regions and surrounding enviroment, the conversion coefficient between volumetric concentration from mass concentration is the most different, so
Use a fixing conversion coefficient K value to demarcate all devices and can cause error in data.Therefore it is seen that this technical advantage
It is, detects speed, but shortcoming is it is also obvious that in the shadow owing to being easily subject to particulate matter refrangibility, form and composition
Ring, and the architectural characteristic of technology own and the floating etc. of conversion coefficient, its measurement accuracy is the highest.
The second, uses gravimetric method, by the air in extraction environment to filter membrane, with the particulate matter in entrapped air,
Thus calculate suspended particulate matter concentration according to filter membrane weight difference before and after sampling, and it is advantageous that, accuracy of detection is higher, but shortcoming
It is also obvious that detection required time is longer, the real-time of detection is poor.
The most existing air particle concentration measurement and control equipment, often overlaps all independent operating collection Data Concurrents and send data, therefore
When the intensive laying in a certain area of this equipment, each all can individually produce data traffic, according to GPRS or other payings
Traffic communication scheme, then can improve data acquisition cost greatly, the most once certain equipment GPRS or other pairs
Take traffic communication module and produce fault, then will affect the data acquisition of this equipment and cause obtaining this equipment location air
Particle analyte detection data.
The most to sum up reason, prior art urgently one can in conjunction with above two air particle detection technique advantage,
And can be the most economical reduce gather data cost, ensure simultaneously this monitoring device data acquisition stability technical side
Case.
Summary of the invention
Present invention is primarily targeted at a kind of air particle concentration measurement and control equipment of offer, it can be in conjunction with film weight method
With the detection advantage of light scattering method, and by being connected with external server, correct detection data in real time, the most accurate to obtain
Detection of Air Quality data
For achieving the above object, the invention provides a kind of air particle concentration measurement and control equipment, comprising: the first detection device
(11), obtain the first detection data, transmitted to processing means by data transmission device (2), to calculate in the sampling time
Particulate matter hour concentration value, and sent to described server (5) by described data transmission device (2), second detection device
(12), the second detection data are obtained, and by described data transmission device (2) transmission to described server (5), and by these clothes
The calibration factor K value formula being provided with in business device (5) calculates to obtain and finally detects data.
Further, described first detection device (11) is film weighing detection device (3), comprising: the first sampling head
(31) being communicated with diaphragm chamber (33) and air pump (34) by the first gas channels (32), diaphragm rotating disk (35) is near described diaphragm
Room (33), which is provided with complex sampling diaphragm, is moved in and out described diaphragm chamber (33) by rotation, moves original mold block 36 and shifts institute
State sampling diaphragm interior to being dried weighing chamber (37), the total mass number evidence that will claim, it is set to described first detection data.
Further, described film weighing detection device (3) also includes: gas circuit seal closure expansion link (323) is arranged on described
On first gas channels (32), film weight method controller (322) controls to be connected with gas circuit seal closure expansion link (323), with manipulation
The air inlet conduction and cut-off of described first gas channels (32).
Further, described first gas channels (32) uses stainless steel material to make.
Further, in described first gas channels (32), also it is provided with heating element heater (321), with heating evaporation sampling sky
Steam in gas, and keep constant temperature 40 °.
Further, described film weighing detection device (3) also includes: diaphragm storage room (38), is located at described shifting original mold block
(36) in the range of sample presentation, to shift described sampling diaphragm in described dry weighing chamber (37) to sealing up for safekeeping inside it.
Further, described air pump (34) suction pressure is set as 26000pa, and throughput is 3L/min.
Further, described second detection device (12) is light arching pushing detection device (6), comprising: the second sampling head
(61) communicated with light arching pushing dust instrument (63) by the second gas channels (62), the built-in gas of wherein said smooth arching pushing dust instrument (63)
Pump.
Further, described second gas channels (62) is gas specific flexible pipe, and inner wall smooth is without electrostatic, sets inside it
There is heating element heater (321).With the steam in heating evaporation sampled air, and keep constant temperature 40 °.
Further, described second detection data be described smooth arching pushing dust instrument (63) survey mass concentration per minute equal
Value.
Further, described compensation coefficient K is:
Wherein
Further, described data transmission device (2) including: Local Communication Module (21), remote communication module (22), Qi Zhongsuo
State Local Communication Module (21) to set up for local data transfer and local area network, described remote communication module (22) and institute
State server 5 and set up teledata connection.
Further, described Local Communication Module (21) is 2.4G communication module (211), ZigBee communication module, bluetooth
One in communication module, wifi communication module, Z-wave communication module.
Further, described remote communication module (22) is GPRS communication module (212), cdma communication module, 3G/4G/
One in 5G communication module.
Further, in described processing means is arranged on described Local Communication Module (21).
Further, described smooth arching pushing detection device (6) also includes: calibration platform (64) controls with PLC (65)
Connecting, system switching power supply (66) power, wherein said calibration platform (64) controls even with described smooth arching pushing dust instrument (63)
Connect.
For achieving the above object, another aspect of the present invention additionally provides the detection of a kind of air particle concentration measurement and control equipment
Method, its step includes:
Step A: film weighing detection device (3) extraction sampled air, drying records the first detection data after processing；
Step B: the first detection data collected by data transmission device (2), goes to processing means and calculates the particulate matter in the sampling time
After hour concentration value:
Step C: reported to server (5) by data transmission device (2)；
Step D: light arching pushing detection device (6) extraction sampled air, drying process on rear side of second detection data:
Step E: the second detection data collected by data transmission device (2), reports to server (5):
Step F: the calibration factor K value formula set in server (5) foundation calculates to obtain and finally detects data.
In order to be further ensured that Data Detection precision and the reliability of a kind of air particle concentration measurement and control equipment of the present invention, this
On the other hand invention additionally provides the calibration steps of a kind of air particle concentration measurement and control equipment, and wherein step includes:
Step A: stopping light arching pushing dust instrument (63) work, PLC (65) controls this calibration platform 64, to this light arching pushing powder
Dirt instrument 63 carries out corrective operations；
Step B: after presetting the improvement time first, 2.4G communication module (211) sends order generation to light arching pushing dust instrument (63)
Code, makes it enter self calibration range state, to complete range check:
Step C: after presetting the improvement time second, calibration platform (64) controls light arching pushing dust instrument (63) and exits align mode,
And described calibration platform (64) enters holding state；
Step D:2.4G communication module (211) sends instruction, starts light arching pushing dust instrument (63) and enters continuous detecting state, starts
Work.
Further, described first to preset the improvement time be one minute, and described second to preset the improvement time be two minutes.
In order to be further ensured that Data Detection precision and the efficiency of a kind of air particle concentration measurement and control equipment of the present invention,
Another aspect of the present invention additionally provides a kind of automatic range switching method of air particle concentration measurement and control equipment, wherein step bag
Include: described smooth arching pushing dust instrument (63) communicates with 2.4G communication module (211)；It is provided with in described 2.4G communication module (211)
Described processing means detects that when the dust concentration that described smooth arching pushing dust instrument (63) collects is not less than 2mg/m, transmission refers to
Order, the range of switching light arching pushing dust instrument (63), precision is changed to 0.1mg/m, when dust concentration is less than 2mg/m, switchback
Range, precision is changed to 0.001mg/m.
In order to be further ensured that a kind of air particle concentration measurement and control equipment of the present invention adapts to detection environment, it is simple to dispose
And repair and maintenance, another aspect of the present invention additionally provides the monitoring station of an employing air particle concentration measurement and control equipment, including:
Outer case (71), outer case external door (711), plural number bottom support frame (712) is connected to described outer case (71) bottom, shockproof slow
Rushing device (713) to be nested on described bottom support frame (712), base (714) side is solid with each described bottom support frame (712)
Fixed, data antenna (715) is arranged on described outer case (71) top, a pair thief hatch, and for the first sampling head (31), second adopts
Sample head (61), through arranging, in described outer case (71), also accommodates internal box (72), and described internal box accommodates in (72),
First detection device (11), data transmission device (2), processing means, second detection device (12), wherein internal box (72) top
First gas channels (32) is set, the second gas channels 62, connect for corresponding the one the second sampling heads (31,61), institute
Stating and be additionally provided with on internal box (72), aviation plug (721), the bottom of described internal box (72) is provided with heating temperature control device (722).
Another aspect of the present invention additionally provides a kind of group-net communication method of air particle concentration measurement and control equipment, wherein,
Including step:
Step A: by remote communication module (22) transmission log-on message to server (5), carry out network registry；
Step B: server (5) sends networking and asks to remote communication module (22), makes each Local Communication Module (21) lead at it
Group-net communication in the range of letter, forms the network node of local area network；
Step C: each network node inquires about the machine remote communication module (22) signal intensity, electing optimum network node is host node
And keep communicating with server (5)；
Step D: remaining network node is set to from node, its remote communication module (22) enters dormancy, by described local communication
Module (21) and described host node data communication, and kept communication by described host node on behalf of to server (5).
Further, wherein, also include step F1: described each from node communication data, comprise unique request numbering, when
Fail by local area network when host node is submitted to, be temporarily stored in described Local Communication Module (21), treat local area Netcom
After letter recovers, to transfer and to transmit to described host node.
Further, step F2 is the most also included: each permission between node forwards other from node data to described main joint
Point.
Further, wherein said step C: also include that electing suboptimal networks node is standby host node, when current main joint
Point transfers host node to time abnormal, and communicates on behalf of to described server (5).
Another aspect of the present invention additionally provides the communication of a kind of group-net communication method of air particle concentration measurement and control equipment
Abnormal protection method, wherein step includes:
Step A: host node is periodically shaken hands to each communicate from node；
Step B: host node judge to have failed communication handshake from node, and report to described server (5)；
Step C: judge to fail to complete communication handshake with host node from node simultaneously, and wake up presently described remotely leading to from node up
Letter module (22) keeps communicating with server (5).
Another aspect of the present invention additionally provides the communication of a kind of group-net communication method of air particle concentration measurement and control equipment
Abnormal protection method, its step includes:
Step A: described host node is to respectively initiating one query from node, and electing optimum network is host node from node:
Step B: elected network and transfer host node to from node, activate remote communication module (22) and communicate with server (5)；
Step C: former host node is converted to from node, and its remote communication module (22) enters standby, and as standby host node
It is present in local area network.
A kind of air particle concentration measurement and control equipment provided by the present invention, on the one hand depending on achieving two kinds of detection methods
Certainly melt combination, take advantage mutually, thus reach data accurately and real-time.On the other hand, by the method for group-net communication, it is ensured that
Data are transmitted, and cover bigger region, it is ensured that the area data covered is coherent and stable to be obtained, and saving communicates into further
This.And then realize, reduce the cost of data acquisition, it is ensured that the stability real-time of data acquisition, it is thus possible to more accurately
Obtain the data of air particles substrate concentration in tested region, in order to preferably tested region surrounding is prevented and treated
Reason.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the air particle concentration measurement and control device structure schematic diagram of the present invention；
Fig. 2 is the monitoring station structural representation of the air particle concentration measurement and control equipment using the present invention；
Fig. 3 is the monitoring station structural representation of the air particle concentration measurement and control equipment using the present invention；
Fig. 4 is that the air particle concentration measurement and control equipment of the present invention registers schematic diagram at server end；
Fig. 5 is the air particle concentration measurement and control equipment room networking schematic diagram of the present invention；
Fig. 6 is that the local area network data of the air particle concentration measurement and control equipment room of the present invention forwards schematic diagram；
Fig. 7 is the air particle concentration measurement and control equipment local area master node abnormal protection schematic diagram of the present invention；
Fig. 8 is that the local area network data of the air particle concentration measurement and control equipment room of the present invention forwards schematic diagram；
Fig. 9 is the local area network 2.4G abnormal protection schematic diagram of the air particle concentration measurement and control equipment room of the present invention.
" equipment " in accompanying drawing is called for short for the offer one air particle concentration measurement and control equipment in the present invention.
Detailed description of main elements: the first detection device 11, data transmission device 2, server 5, second detection device 12, film claims
Re-detection device 3, the first sampling head 31, the first gas channels 32, diaphragm chamber 33, air pump 34, uninterrupted power source 40, heating unit
Part 321, film weight method controller 322, gas circuit seal closure expansion link 323, diaphragm rotating disk 35, electric rotating machine 351, moves original mold block
36, it is dried weighing chamber 37, machine fork 361, diaphragm storage room 38, light arching pushing detection device 6, the second sampling head 61, the second gas circuit
Passage 62, light arching pushing dust instrument 63, Local Communication Module 21, remote communication module 22,2.4G communication module 211, GPRS communicates
Module 212, outer case 71, outer case external door 711, bottom support frame 712, shockproof cushioning device 713, base 714, data antenna
715, internal box 72, aviation plug 721, heating temperature control device 722, calibrate platform 64, PLC 65.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In order to make those skilled in the art be better understood from the present invention program, below in conjunction with in the embodiment of the present invention
Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a present invention part rather than whole embodiments.Based on the embodiment in the present invention, in ordinary skill
Personnel do not make the every other embodiment obtained under creative work premise, all should belong to the protection model of the present invention
Enclose.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " it is etc. for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that so use
Data can exchange in the appropriate case, in order to embodiments of the invention described herein can with except here diagram or
Order beyond those described is implemented.Additionally, term " includes " and " having " and their any deformation, it is intended that cover
Cover non-exclusive comprising.
One regional ambient air quality, change over time can produce certain fluctuation, therefore in detected district
Set up multiple test point in territory as far as possible separately, can effectively gather more areas data sample, on the other hand can also detect
To air quality drift situation geographically, thereby can obtain the most accurate, and more have the sky of referential and break-up value
Gas quality testing data.
Therefore a kind of air particle concentration measurement and control equipment that the present invention provides, in order to realize setting up separately many in detected area
The needs of individual test point, simultaneously in order to improve this equipment reliability in each test point, prevent factor data transmission problem from making
Become the sorry of shortage of data.Therefore there is equipment network function, short range data transmission between each equipment, can be carried out, to set up
The local area network in detection area, and become network host node according to pre-conditioned automatic election this equipment qualified,
To collect the data respectively gathered from node or other equipment, and set up a data transmission specially by this host node to server end
Road, thus realize, while reducing data transmission cost, alleviating the pressure of server greatly.
And on the other hand in order to improve the accuracy of testing result, the invention provides what at least two detection technique combined
Technical scheme, detects data calibration accordingly to be formed, and this data calibration is due to all in being derived from this detection area LAN
The detection data that equipment is gathered, therefore the test result after these data are corrected can improve accuracy of detection, greatly with visitor
The reaction current air mass result seen.
Refer to Fig. 1 to Fig. 3, preferable for a kind of air particle concentration measurement and control equipment of the present invention and detection method thereof
Embodiment, wherein this air particle concentration measurement and control equipment includes: the first detection device 11, obtains the first detection data, and
Transmitted to processing means by data transmission device 2, to calculate the particulate matter hour concentration value in the sampling time, and by being somebody's turn to do
Data transmission device 2 sends to WEB server 5, second detection device 12, obtains the second detection data, and is transmitted by data
Device 2 transmits to this server 5, and the calculating of the calibration factor K by being provided with in this server 5 obtains and finally detects data.
It is noted that this this server 5 can be this air particle concentration measurement and control equipment built-in services device, it is possible to
To be outside WEB server, it is introduced as a example by below executing WEB server outside in example, not to the present invention
Technical scheme limit, those skilled in the art are it is understood that the server of the most built-in localization, or outside setting up
The server of portion's networking, broadly falls into the technical scheme having revealed that in the present embodiment, and those skilled in the art are without creativeness
Intellectual work can be learnt.
Furthermore, it is understood that described first detection device 11 present invention is preferred, film weighing detection device 3, comprising: first adopts
Sample head 31 is communicated with diaphragm chamber 33 and air pump 34 by the first gas channels 32, and provides uninterrupted power source 40 to weigh for this film
Detection device 3 is powered, and wherein this first gas channels 32 preferably stainless steel material is made, and is additionally provided with heating element heater inside it
321, the preferred heater strip of the present invention, with the steam in heating evaporation sampled air, and keep constant temperature, the most in the present embodiment
Preferable temperature is constant temperature 40 °, but the present invention is not limiting as the setting of this temperature value, according to location and the difference of ambient conditions
This temperature can be adjusted, to meet the demand of moisture in evaporative air.Further, when this air pump 34 duty
Under, via this first sampling head 31 can steady suction surrounding air, to described diaphragm chamber 33 after heated element 321 dried
In, through membrane filtration, the particulate matter in sampled air is all stayed on diaphragm, then via film weight method controller 322, control
The gas circuit seal closure expansion link 323 being arranged on this first gas channels 32, ends or turns on this first gas channels 32 and be somebody's turn to do
The gas circuit of air pump 34, gets rid of sampled air, so continuously to sampling environment air a period of time after, complete surrounding air and adopt
Sample.
It is noted that this lasting sampling parameter is according to different accuracy of detection requirements, can freely set, such as the sampling time
The most preferably one hour, wherein this air pump 34 suction pressure may be set to 26000pa, and throughput is 3L/
min.The embodiment of the present embodiment is not limited by the relevant parameter of aforementioned setting, for meeting various different detection environment
Under needs can suitably regulate.
Further, after this sampling environment air flow process terminates, entering sample detecting flow process, this air pump 34 stops work
Making, this diaphragm chamber 33 opens, after diaphragm rotating disk 35 relies on the electric rotating machine 351 arranged bottom it to drive rotation, in removal dish
Sampling diaphragm, in immigration dish, new diaphragm is in this diaphragm chamber 33, moves original mold block 36 and shifts this sampling diaphragm to the driest weighing chamber 37
In, after static dry about four hours, this sampling diaphragm is dried complete, particulate matter quiescent setting, then this dry weighing chamber 37 starts
Weigh.
It is worth mentioning that this shifting original mold block 36 preferably employs machine fork 361 in the present embodiment, to be adopted by this produced
Sample diaphragm slowly scoops up, and rotates predetermined angle to transport this diaphragm in this dry weighing chamber 37, to form sample transport function,
But the technical scheme that this sample is not transmitted by the present invention limits, as transported by mechanical hand crawl, conveyer belt conveying etc.
Mode, comes under the approximation embodiment of the present invention, thus mentions at this.
On the other hand, this dry weighing chamber 37, the total mass number evidence that will claim, the i.e. first detection data, pass via data
Defeated device 2 sends to processing means, of poor quality to calculate, and divided by the total gas flow rate of a hour, calculates in the sampling time
Particulate matter hour concentration value, preserves and to this data transmission device 2 reported data bag, and now a whole set of film weighing system completes to measure
Calculating, what this diaphragm was dried in weighing chamber 37 by this machinery fork 361 this sampling film sheet shovels out, and rotates to diaphragm storage room 38 envelope
Deposit, this machinery fork 361 reset.
Second detection device 12 present invention preferred light arching pushing detection device 6, comprising: the second sampling head 61 is by the second gas
Paths 62 communicates with light arching pushing dust instrument 63, wherein this light arching pushing dust instrument 63 internal pump, thereby draw ambient air, and
Steadily suck via the second sampling head 61, can be mentioned that, this preferred gas specific flexible pipe of the second gas channels 62, and
Flexible pipe optimization experiment room level, inner wall smooth is without electrostatic.
In addition being additionally provided with heating element heater 321 in this second gas channels 62, the preferred heater strip of the present embodiment, with heating evaporation
Steam in sampled air, and keep constant temperature, preferable temperature the most in the present embodiment is constant temperature 40 °, but the present invention is not
Limit the setting of this temperature value, can be adjusted, with satisfied evaporation according to this temperature of difference of location and ambient conditions
The demand of moisture in air, but higher than this temperature, then this light arching pushing dust instrument 63 inner laser light source may be caused to be affected.
Further discharge after the sample gas being inhaled into quickly detects via this light arching pushing dust instrument 63, will automatically count
Mass concentration average per minute, the i.e. second detection data, are light arching pushing dust instrument reading F data in this preferred embodiment,
And send via this data transmission device 2, wherein it is important to note that these light arching pushing dust instrument reading F data send
First kind of way is, if the machine is whole detected area local area master node, directly by this data transmission device 2
Packet is sent to external server 5.And on the other hand, if the machine be whole detected area local area network from node, then
By this data transmission device 2 to close with this host node from node/or host node, according to nearby principle, send out to host node
Send packet, thereby individually sent packet to server 5 by host node by data transmission device 2.
After this server 5 receives packet, according to receiving the data that this film weighing detection device 3 gathers, i.e. quality
According to formula calculated as below after concentration data, the compensation coefficient " K " of calculating second detection device 12:
Wherein
According to above-mentioned formula, to calibrate the detection data of this light arching pushing detection device 6, finally detect data to obtain.
In addition it needs to be noted in above-described embodiment, this data transmission device 2 includes: Local Communication Module 21,
With remote communication module 22, wherein said Local Communication Module 21 is for setting up this locality of this air particle concentration measurement and control equipment
Data transmission and local area network are set up, and use radio-frequency technique (RF) in an embodiment of the present invention, and preferred version is 2.4G
Communication module 211, but do not restrict, equal alternative, it is possible to employing ZigBee communication module, bluetooth communication,
Wifi communication module, Z-wave communication module.Wherein this remote communication module 22, is used for making this air particle concentration measurement and control set
Standby set up teledata with this server 5 and be connected, preferably employ GPRS communication module 212 in an embodiment of the present invention, but also
Do not restrict, equal alternative, it is possible to use cdma communication module, 3G/4G/5G communication module.Therefore the present invention's
In each embodiment, will be to include: enter as a example by 2.4G communication module 211, and the data transmission device 2 of GPRS communication module 212
Row is introduced, and those skilled in the art are it is understood that above-mentioned alternative, it is not necessary to creative work is i.e. applicable to each of the present invention
In embodiment, therefore come under the technical scheme that the present invention has disclosed.
Further, present invention also offers a kind of monitoring station using above-mentioned air particle concentration measurement and control equipment, its
Including: outer case 71, it has heat insulation, water proof and dust proof, the effect of anti-electromagnetic interference, and outer case external door 711 watertightness is good, multiple
Number bottom support frame 712 is connected to bottom this outer case 71, and to form support, shockproof cushioning device 713 is nested in this bottom support
On frame 712, to absorb the impact that equipment is brought by exterior vibration, base 714 side is fixed with each bottom support frame 712, another
Side is connected with the built-in fitting of concrete pedestal, is firmly anchored on ground, thereby fixes complete equipment firm monitoring station, to be useful in
Installing in various working environments, data antenna 715 and gps antenna are that signal strengthens antenna, are arranged on this outer case 71 top, with
Promoting the transmission of this data transmission device 2 signal, a pair thief hatch, for the first sampling head 31, the second sampling head 61 is through arranging.
In this outer case 71, also accommodate internal box 72, in it keeps certain space, and this outer case 71 with outer case 71
Radiator fan can be provided with remain on, keep the circulation that air is good.Accommodate in this internal box 72, the first detection device
11, data transmission device 2, processing means, second detection device 12, wherein this internal box 72 top arranges this first gas channels
32, the second gas channels 62, connect for corresponding the one the second sampling heads 31,61.
Further, this internal box 72 being additionally provided with, four aviation plugs 721 expand sensor to increase, it is provided that data jack
And power supply, increasing the envirment factor that can monitor, the bottom of this internal box 72 is heating temperature control device 722, to carry out this heater strip
PID controls, and gas circuit constant temperature of sampling, at 40 degrees Celsius, reduces and is sampled gas relative humidity.
On the other hand, present invention also offers the data communications method of a kind of above-mentioned air particle concentration measurement and control equipment,
Below in conjunction with Fig. 4 to Fig. 9 to explain, wherein this air particle concentration measurement and control equipment (hereinafter referred to as monitoring device) every
In this data transmission device 2 include: 2.4G communication module 211, GPRS communication module 212, wherein this GPRS communication module 212
In also include GPS module, respectively monitoring null device all can by GPRS communication module 212 and this server 5 independent communication, and
Global positioning coordinates is obtained, accurately the position of this monitoring device is informed this server 5, greatly by this GPS module
It is easy on this server 5 reflection and is arranged on the detection data cases in different detection region, for analysis, 2.4G communication module in addition
211 WLAN in setting up local detection region, and complete in this WLAN, between each monitoring device
Data transmission with data exchange.
This WLAN that wherein this 2.4G communication module 211 is set up, it is preferred to use IEEE802.11 standard
CSMA/CA (Carrier Sense Multiple Access with Collision Detection) mechanism avoids radio frequency
Data conflict in WLAN.
On the other hand every monitoring device is after detection region is laid, and once need to register on this server 5,
By this GPRS communication module 212, after success is set up with this server 5 and to be connected, can by the positional information of this monitoring device, set
The log-on datas such as standby unique identities identification information are submitted to this server 5 and are completed registration.After equipment completes registration, this server 5
Can be in communication with mutual, it is achieved equipment is managed collectively.
Further, when needs carry out LAN division to this monitoring device, preferably examine when laying this monitoring device
Consider cellular network laying structure, in order to each monitoring device can be in, in the range of this local area network signal of communication overlapped coverage.
Wherein this server 5 is by sending instruction to the GPRS communication module 212 of each monitoring device, can be to any in this local area network
One monitoring device sends LAN networking request, after this monitoring device receives request, will by this 2.4G communication module 211 to
Each monitoring device sends networking request, and completes networking process of shaking hands, to set up the local prison meeting this server 5 connection request
Control equipment local area networks network, and the result of building network is returned to this by the GPRS communication module 212 communicated with this server 5
Server 5, if run if any multiple stage monitoring device in this detection region, then can be by this 2.4G communication mould of each monitoring device
Block 211, puts forward in each monitoring device, and this monitoring device corresponding to GPRS communication module 212 that signal is optimal serves as main joint
Point, is responsible for becoming communication core main frame, and the GPRS communication module 212 of remaining each monitoring device then enters dormancy holding state.
Refer to Fig. 4 to Fig. 6, specifically, the wherein division of this local area network and implement flow process and include:
1, monitoring device network registry:
Wherein this unregistered monitoring device, will carry out data communication by this GPRS communication module 212 with this server 5, with
Transmitting log-on message mode, complete the register flow path of whole monitoring device, wherein this log-on message includes: this monitoring device is only
One identity ID, this monitoring device current location information, service-number and configuration that this server 5 distributes for this monitoring device are believed
Breath, and complete to confirm after information is checked with this monitoring device.
2, networking between monitoring device:
Wherein, at this server 5 end, registered each monitoring device all being had details record, this server 5 can pass through position
Confidence breath and or unique identities id information, determine and several monitoring devices that specified control is chosen carry out networking.Specifically,
Preferably networking mode is in the present embodiment: every monitoring device corresponds in local area network one " network node ".
When needs multiple monitoring device one local area network of composition, networking request can be sent to one therein by this server 5
" network node ".In the order of this networking request, also include: all monitoring devices of each network node in local area network
Unique identities ID, and service-number (for server admin), when in a networking request, comprise network node quantity more,
Networking request command length will be long, and the form that now subpackage will be used to send, until target monitoring equipment has received
Whole networking request.
Further, when receiving this network node of this networking request command, the 2.4G communication module at self will be attempted
In the communication context of 211, set up meet this server 5 require local area network, the information about firms in this local area network by
Networking request obtains.During networking, each network node can inquire about the GPRS communication module 212 of the machine signal intensity and
RF signal strength, this monitoring device on network node that final selected communication quality is the highest, as right with this server 5
The host node connect, and this GPRS communication module 212 of other monitoring devices will enter park mode, as " standby host node ",
And other monitoring devices are by 2.4G communication module 211, carry out data communication, to be present in whole local area as from node
In net.
Certainly the most in another embodiment, it is also possible to do not carry out this monitoring device of networking by completing registration, if
It is set to, uses GPRS communication module 212 independent and this server 5 communication.Thus by included by this data transmission device 2:
Local Communication Module 21, with this at least two data communication channel of remote communication module 22, improves disaster-tolerating and error-tolerating, thereby improves
The reliability that networking and overall data gather.
Furthermore, it is understood that in the data communications method of the air particle concentration measurement and control equipment of the present invention, also include local exchange
The data managing method of territory net, including: data validation and data reconstruction method.
Specifically, owing to less radio-frequency is relative to wire communication, there is certain uncertainty, so in wireless this locality
Order in LAN and data are required to receive the response of recipient's monitoring device and are just judged to that process completes, and is otherwise required to
Resending, for avoiding repeating, it is unique that the most each packet and order all comprise in a current local area network net
Request numbering.Thus fail to the data successfully submitted to, the most all locally stored module in this 2.4G communication module 211 are gone through
The Records of the Historian is recorded, and thereby again can transfer after local area network communication recovery or field failure are got rid of, to recover data, and to
Host node transmission, makes this server 5 can receive this historical record data.
Furthermore, it is understood that in the data communications method of the air particle concentration measurement and control equipment of the present invention, also include local exchange
The data forwarding method of territory net, wherein radio-frequency communication is affected by factors such as amblent air temperatures, when receiving terminal and transmitting terminal hypertelorism
Or close to communication critical distance, the reliability that can make communication is too low.In the design, this local area network uses mesh network topology,
And support the forwarding of data between each monitoring device, longer-distance network, from node, can pass through the network that geographical position is placed in the middle
From node, data are forwarded, thereby transfer data to host node.
And when setting up local area network, owing to have selected the optimal monitoring device of signal in network as host node, cooperation
Upper data forwarding mechanism, can efficiently solve in tradition application, affect connection, communication because respective location GPRS signal is bad
The problem of quality.
Technique scheme simultaneously, also further reduces the generation of paying flow, the LAN of success establishment, only
Need this monitoring device with GPRS communication function, the data in LAN can be reported server 5, other prison
The GPRS communication module 212 of control equipment then can enter park mode, on the one hand saves the consumption of flow, also reduces simultaneously
Server 5 needs the number of links safeguarded, alleviates the pressure of server 5
Additionally, in order to further, improve this monitoring device fault-tolerance when setting up communication network, reliability, below in conjunction with Fig. 7
Illustrating to Fig. 9, the data communications method of the air particle concentration measurement and control equipment of the present invention also includes: local area Netcom
News failure protection scheme, including:
1, GPRS communication module 212 communication abnormality guard method
Wherein when with the host node of server 5 communication because breaking down or Mobile phone card arrearage etc. is abnormal, and cause host node
When GPRS communication is abnormal, the host node of optimum will be reselected between this monitoring device in local area network, and disable event
The GPRS communication module 212 of the host node monitoring device of barrier.Enable standby host node and activate, and providing one to server 5
Warning message, in order to follow-up maintenance.
It is worth mentioning that this standby host node, in advance by detecting each during each monitoring device networking in local area network
GRPS communication module signal high-quality degree, carries out ranking, and elects the monitoring device that GPRS signal is best when first time networking
As host node, rank behind then can wait to be activated as standby host node.
2,2.4G communication module 211 communication abnormality guard method
The wherein host node in local area network, carries out a communication by timing meeting remaining network in net from node and shakes hands, really
Recognize each network from the current duty of node.(give tacit consent to secondary when host node detects that certain has repeatedly failed from node to shake hands
Number is three times, can be modified by server 5 order), then it is judged as that this network is different from 2.4G communication module 211 communication of node
Often, and to server 5 alarm is sent.This fault is from node simultaneously, also can fail for a long time because of detecting self
Communication is shaken hands, and wakes up the GPRS communication module 212 of the machine up, actively initiates abnormality alarm to server 5, and keeps the data can
Continue for updating.
3, GPRS communication signal quality protection method
When GPRS communication module 212 connection status of host node is undesirable, occur frequently reconnecting or repeatedly occurring that data send
During the phenomenons such as time-out, heartbeat packet time-out, the all-network in local area network from node, is initiated once to look into by this host node
Ask, search the optimal each network in node, local area network of current GPRS signal quality from the GPRS communication module 212 of node
To be waken up and check respective signal quality, if current local area network has certain network obvious from the signal quality of node
Be better than current host node, then in the last detection, optimum being activated as host node from node of GPRS signal, and it
The host node of front signal Quality Down will switch to from node, and it is standby to enter standby host node list.
4, monitoring device in local area network data for forwarding method
When the registered monitoring device of certain non-networking occurs that GPRS communication module 212 is abnormal, and can not normal open positive with server
During news, this monitoring device can pass through 2.4G communication module 211, sends " data generation send out " request with the forms of broadcasting, if near have can
The same type monitoring device of docking communication, then can set up a generation and send out service connection, during fault this fault monitoring equipment
The form sent out by data generation, keeps the data persistence of fault monitoring equipment, simultaneously, it is provided that generation sends out the monitoring device of service,
An alarm will be sent to server 5, and provide the information of fault monitoring equipment, request to carry out plant maintenance.
Pass through technique scheme, it is possible to further ensure the communication reliability between each monitoring device and server 5
And the stability of data transmission, and provide emergent solution for equipment fault, improve the steady of monitoring device data acquisition
Qualitative.
On the other hand, present invention also offers the calibration steps of a kind of air particle concentration measurement and control equipment, specifically
Due to the Principles of Laser structure of this light arching pushing dust instrument 63, need periodically to carry out span calibration, wherein this light arching pushing powder
Dirt instrument 63 carries out span calibration by its laser shutter carried, and rotates laser shutter to " calibration " state, then laser shutter
Can shelter from LASER Light Source completely, instrument readings now can be modeled as full-scale range value, positions these data thus regulates it
The full scale of equipment, it is ensured that the data of instrument are reliable.
Therefore this light arching pushing detection device 6 also includes: calibration platform 64, PLC 65 is supplied by system switching power supply 66
Electricity, wherein this server 5 periodically can send calibration command, this school by GPRS data transmission means to the monitoring device of host node
After quasi-order is forwarded to 2.4G communication module 211 via the GPRS communication module 212 of this monitoring device, start to control this light arching pushing
Detection device 6 performs calibration procedure.
Concrete steps include: stop light arching pushing dust instrument 63 and work, and send calibration to PLC 65 simultaneously and start letter
Number, this PLC 65 receives enabling signal, starts to perform order, sends signal to this calibration platform 64, to control this calibration
Platform 64 rotates this laser shutter, and so that this light arching pushing dust instrument 63 is carried out corrective operations, rear basis is preset house of correction and taken time,
In the present embodiment after preferably one minute, 2.4G communication module 211 sends command code to this light arching pushing dust instrument 63, makes it enter
Self calibration range state, after continuing two minutes, completes range check.This calibration platform 64 rotates the playback of this laser shutter, goes forward side by side
Entering holding state, this 2.4G communication module 211 sends instruction, starts this light arching pushing dust instrument 63 and is again introduced into continuous detecting shape
State, starts working.
On the other hand, present invention also offers a kind of automatic range switching method of air particle concentration measurement and control equipment:
Concrete, this light arching pushing detection device 6 can carry out automatic range switching according to pre-set programs, so that this light arching pushing dust
Instrument 63 can automatically switch to corresponding range, it is achieved high-precision measurement according to the value of on-the-spot dust concentration.
Wherein this light arching pushing dust instrument 63 and 2.4G communication module 211 is docked, and is provided with at this in this 2.4G communication module 211
Reason device, is not the most only completed data communication, simultaneously also by processing means, is responsible for the detection number to this light arching pushing dust instrument 63
According to monitoring in real time.Processing means in this 2.4G communication module 211, detects what this light arching pushing dust instrument 63 collected
When dust concentration is not less than 2mg/m, an instruction will be sent, the range of light arching pushing dust instrument 63 will be switched to high range, precision
Being changed to 0.1mg/m, when dust concentration is less than 2mg/m, will switch back into lower range pattern, precision is changed to 0.001mg/m
³.After range switching, the packet of this 2.4G communication module 211, data content also does corresponding change, to represent not commensurate
Detection data, in order to identified on this server 5 after being sent by host node detection equipment.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (27)
1. an air particle concentration measurement and control equipment, it is characterised in that including: the first detection device (11), obtains the first inspection
Survey data, transmitted to processing means by data transmission device (2), to calculate the particulate matter hour concentration in the sampling time
Value, and sent to described server (5) by described data transmission device (2), second detection device (12), obtain the second detection
Data, and by described data transmission device (2) transmission to described server (5), and by the school being provided with in this server (5)
Quasi-values of factor K formula calculates to obtain and finally detects data.
A kind of air particle concentration measurement and control equipment the most according to claim 1, it is characterised in that: described first detection dress
Putting (11) is film weighing detection device (3), comprising: the first sampling head (31) is by the first gas channels (32) and diaphragm chamber
(33) and air pump (34) communicates, diaphragm rotating disk (35), near described diaphragm chamber (33), which is provided with complex sampling diaphragm, passes through
Rotation is moved in and out described diaphragm chamber (33), moves original mold block (36) and shifts in the driest weighing chamber (37) of described sampling diaphragm, will
The total mass number evidence claimed, is set to described first detection data.
A kind of air particle concentration measurement and control equipment the most according to claim 2, it is characterised in that: described film is weighed detection
Device (3) also includes: gas circuit seal closure expansion link (323) is arranged on described first gas channels (32), and film weight method controls
Device (322) controls to be connected with gas circuit seal closure expansion link (323).
4. according to a kind of air particle concentration measurement and control equipment described in Claims 2 or 3, it is characterised in that: described first gas
Paths (32) uses stainless steel material to make.
A kind of air particle concentration measurement and control equipment the most according to claim 2, it is characterised in that: described first gas circuit is led to
Also it is provided with heating element heater (321) in road (32), and keeps constant temperature 40 °.
A kind of air particle concentration measurement and control equipment the most according to claim 2, it is characterised in that: described film is weighed detection
Device (3) also includes: diaphragm storage room (38), in the range of being located at described shifting original mold block (36) sample presentation, to shift described dry title
Described sampling diaphragm in weight room (37) is to sealing up for safekeeping inside it.
A kind of air particle concentration measurement and control equipment the most according to claim 2, it is characterised in that: described air pump (34)
Suction pressure is set as 26000pa, and throughput is 3L/min.
A kind of air particle concentration measurement and control equipment the most according to claim 1, it is characterised in that: described second detection dress
Putting (12) is light arching pushing detection device (6), comprising: the second sampling head (61) is by the second gas channels (62) and light arching pushing powder
Dirt instrument (63) communicates, wherein said smooth arching pushing dust instrument (63) internal pump.
A kind of air particle concentration measurement and control equipment the most according to claim 8, it is characterised in that: described second gas circuit is led to
Road (62) is gas specific flexible pipe, and inner wall smooth is without electrostatic, is internally provided with heating element heater (321), and keeps constant temperature 40 °.
A kind of air particle concentration measurement and control equipment the most according to claim 8, it is characterised in that: described second detection
The mass concentration average that survey that data are described smooth arching pushing dust instrument (63) is per minute.
11. a kind of air particle concentration measurement and control equipment according to claim 1, it is characterised in that: described compensation coefficient K
For:Wherein
12. a kind of air particle concentration measurement and control equipment according to claim 1, it is characterised in that: described data are transmitted
Device (2) including: Local Communication Module (21), remote communication module (22), and wherein said Local Communication Module (21) is for this
Ground data transmission and local area network are set up, and described remote communication module (22) and described server 5 set up teledata even
Connect.
13. a kind of air particle concentration measurement and control equipment according to claim 12, it is characterised in that: described local communication
Module (21) be 2.4G communication module (211), ZigBee communication module, bluetooth communication, wifi communication module, Z-wave lead to
One in letter module.
14. a kind of air particle concentration measurement and control equipment according to claim 12, it is characterised in that: described telecommunication
Module (22) is the one in GPRS communication module (212), cdma communication module, 3G/4G/5G communication module.
15. according to a kind of air particle concentration measurement and control equipment according to claim 12, it is characterised in that: described process
Device is arranged in described Local Communication Module (21).
16. according to a kind of air particle concentration measurement and control equipment according to claim 8, it is characterised in that: described light dissipates
Method detection device (6) also includes: calibration platform (64) controls to be connected with PLC (65), system switching power supply (66) supply
Electricity, wherein said calibration platform (64) controls to be connected with described smooth arching pushing dust instrument (63).
17. 1 kinds of detection methods of air particle concentration measurement and control equipment as described in power 1, it is characterised in that including:
Step A: film weighing detection device (3) extraction sampled air, drying records the first detection data after processing；
Step B: the first detection data collected by data transmission device (2), goes to processing means and calculates the particulate matter in the sampling time
After hour concentration value:
Step C: reported to server (5) by data transmission device (2)；
Step D: light arching pushing detection device (6) extraction sampled air, drying process on rear side of second detection data:
Step E: the second detection data collected by data transmission device (2), reports to server (5):
Step F: the calibration factor K value formula set in server (5) foundation calculates to obtain and finally detects data.
18. 1 kinds of calibration steps of air particle concentration measurement and control equipment as described in power 1, it is characterised in that step includes:
Step A: stopping light arching pushing dust instrument (63) work, PLC (65) controls this calibration platform 64, to this light arching pushing powder
Dirt instrument 63 carries out corrective operations；
Step B: after presetting the improvement time first, 2.4G communication module (211) sends order generation to light arching pushing dust instrument (63)
Code, makes it enter self calibration range state, to complete range check:
Step C: after presetting the improvement time second, calibration platform (64) controls light arching pushing dust instrument (63) and exits align mode,
And described calibration platform (64) enters holding state；
Step D:2.4G communication module (211) sends instruction, starts light arching pushing dust instrument (63) and enters continuous detecting state, starts
Work.
The calibration steps of 19. a kind of air particle concentration measurement and control equipment according to claim 18, it is characterised in that institute
Stating first and presetting the improvement time is one minute, and described second to preset the improvement time be two minutes.
20. 1 kinds of automatic range switching methods of air particle concentration measurement and control equipment as described in power 1, it is characterised in that step
Including: described smooth arching pushing dust instrument (63) communicates with 2.4G communication module (211)；It is provided with in described 2.4G communication module (211)
Described processing means when detecting that dust concentration that described smooth arching pushing dust instrument (63) collects is not less than 2mg/m, transmission refers to
Order, the range of switching light arching pushing dust instrument (63), precision is changed to 0.1mg/m, when dust concentration is less than 2mg/m, switchback
Range, precision is changed to 0.001mg/m.
21. 1 kinds of monitoring stations using a kind of air particle concentration measurement and control equipment as claimed in claim 1, its feature exists
In, including: outer case (71), outer case external door (711), plural number bottom support frame (712) is connected to described outer case (71) end
Portion, shockproof cushioning device (713) is nested on described bottom support frame (712), base (714) side and each described bottom support frame
(712) fixing, data antenna (715) is arranged on described outer case (71) top, and a pair thief hatch, for the first sampling head
(31), the second sampling head (61), through arranging, in described outer case (71), also accommodates internal box (72), described internal box
(72) accommodate in, the first detection device (11), data transmission device (2), processing means, second detection device (12), wherein
Internal box (72) top arranges the first gas channels (32), the second gas channels (62), for corresponding the one the second samplings
Head (31,61) connects, and described internal box is additionally provided with on (72), aviation plug (721), and the bottom of described internal box (72) is provided with and adds
Hot temperature controller (722).
22. 1 kinds of group-net communication methods of air particle concentration measurement and control equipment as described in power 1, it is characterised in that include step:
Step A: by remote communication module (22) transmission log-on message to server (5), carry out network registry；
Step B: server (5) sends networking and asks to remote communication module (22), makes each Local Communication Module (21) lead at it
Group-net communication in the range of letter, forms the network node of local area network；
Step C: each network node inquires about the machine remote communication module (22) signal intensity, electing optimum network node is host node
And keep communicating with server (5)；
Step D: remaining network node is set to from node, its remote communication module (22) enters dormancy, by described local communication
Module (21) and described host node data communication, and kept communication by described host node on behalf of to server (5).
The group-net communication method of 23. air particle concentration measurement and control equipment according to claim 22, it is characterised in that also
Including step F1: described each from node communication data, comprise unique request numbering, when failing by local area network to main joint
When point is submitted to, it is temporarily stored in described Local Communication Module (21), after local area network communication recovery, to transfer and to described master
Node-node transmission.
The group-net communication method of 24. air particle concentration measurement and control equipment according to claim 22, it is characterised in that also
Including step F2: each permission between node forwards other from node data to described host node.
The group-net communication method of 25. air particle concentration measurement and control equipment according to claim 22, it is characterised in that: institute
State step C: also include that electing suboptimal networks node is standby host node, transfers host node, and generation to when current primary node exception
For communicating to described server (5).
26. 1 kinds of communication abnormality guard methods of the group-net communication method of air particle concentration measurement and control equipment as described in power 22,
It is characterized in that, step includes:
Step A: host node is periodically shaken hands to each communicate from node；
Step B: host node judge to have failed communication handshake from node, and report to described server (5)；
Step C: judge to fail to complete communication handshake with host node from node simultaneously, and wake up presently described remotely leading to from node up
Letter module (22) keeps communicating with server (5).
27. 1 kinds of communication abnormality guard methods of the group-net communication method of air particle concentration measurement and control equipment as described in power 22,
It is characterized in that, step includes:
Step A: described host node is to respectively initiating one query from node, and electing optimum network is host node from node:
Step B: elected network and transfer host node to from node, activate remote communication module (22) and communicate with server (5)；
Step C: former host node is converted to from node, and its remote communication module (22) enters standby, and as standby host node
It is present in local area network.
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| CN201610301484.2A CN105842136A (en) | 2016-05-09 | 2016-05-09 | Air particulate matter concentration monitoring device and detection method thereof |
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| CN201610301484.2A CN105842136A (en) | 2016-05-09 | 2016-05-09 | Air particulate matter concentration monitoring device and detection method thereof |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN108398363A (en) * | 2017-02-06 | 2018-08-14 | 霍尼韦尔国际公司 | Particulate matter detection sensor with the new switching mechanism for forming air stream |
| CN106908363A (en) * | 2017-02-27 | 2017-06-30 | 康姆德润达（无锡）测量技术有限公司 | Particle sampling weighing system and method based on cloud computing technology |
| CN107063955A (en) * | 2017-04-18 | 2017-08-18 | 击风科技（北京）有限公司 | air particle detector calibration method and management system |
| CN106990016A (en) * | 2017-04-21 | 2017-07-28 | 上海赛菲环境科技股份有限公司 | A kind of dust sensor |
| CN107328695A (en) * | 2017-09-01 | 2017-11-07 | 北京攀藤科技有限公司 | Particulate matter quality concentration sensor and particulate matter quality concentration detection method |
| CN107462504A (en) * | 2017-09-18 | 2017-12-12 | 北京绿林环创科技有限公司 | Online self-correcting air particle detection means and its self-correcting, state self-diagnosing method |
| CN107462504B (en) * | 2017-09-18 | 2023-12-22 | 北京绿林环创科技有限公司 | Online self-correcting air particulate matter detection device and self-correcting and state self-diagnosing method thereof |
| CN108120661A (en) * | 2017-12-19 | 2018-06-05 | 北京理工大学 | Particle content spatial and temporal distributions assay method in a kind of urban air |
| CN108287247A (en) * | 2018-01-25 | 2018-07-17 | 中国水稻研究所 | A kind of automatic collector and method |
| CN108287126A (en) * | 2018-03-23 | 2018-07-17 | 中国计量科学研究院 | Nano particle diameter measuring system |
| CN108287126B (en) * | 2018-03-23 | 2021-07-09 | 中国计量科学研究院 | Nanoparticle size measurement system |
| CN113376065A (en) * | 2021-05-11 | 2021-09-10 | 山西光兴光电科技有限公司 | Glass particle inspection apparatus |
| CN113866059A (en) * | 2021-09-23 | 2021-12-31 | 常州威肯过滤分离环保技术有限公司 | Oil mist concentration detection K coefficient correction method |
| CN113866059B (en) * | 2021-09-23 | 2024-01-09 | 常州威肯过滤分离环保技术有限公司 | Method for correcting K coefficient of oil mist concentration detection |
| CN113670785A (en) * | 2021-09-27 | 2021-11-19 | 北京伟瑞迪科技有限公司 | Particulate matter concentration monitoring method, device, equipment and storage medium |
| CN114459540A (en) * | 2022-01-27 | 2022-05-10 | 重庆佳利乐包装有限公司 | Safety early warning device for wood processing plant |
| CN116542832A (en) * | 2023-03-13 | 2023-08-04 | 羚羊环保科技有限公司 | Lignite upgrading and drying environment monitoring system and method based on Internet of things |
| CN116542832B (en) * | 2023-03-13 | 2023-09-12 | 羚羊环保科技有限公司 | Lignite upgrading and drying environment monitoring system and method based on Internet of things |
| CN116879121A (en) * | 2023-09-08 | 2023-10-13 | 深圳市潼芯传感科技有限公司 | Air particulate matter concentration real-time monitoring system based on optical fiber sensing technology |
| CN116879121B (en) * | 2023-09-08 | 2023-11-10 | 深圳市潼芯传感科技有限公司 | Air particulate matter concentration real-time monitoring system based on optical fiber sensing technology |
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