CN107014796B - A kind of system and method for the cutting efficiency of quick measurement sampler - Google Patents
A kind of system and method for the cutting efficiency of quick measurement sampler Download PDFInfo
- Publication number
- CN107014796B CN107014796B CN201710326320.XA CN201710326320A CN107014796B CN 107014796 B CN107014796 B CN 107014796B CN 201710326320 A CN201710326320 A CN 201710326320A CN 107014796 B CN107014796 B CN 107014796B
- Authority
- CN
- China
- Prior art keywords
- aerosol
- switching valve
- flow
- delivery outlet
- upstream
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
- G01N21/64—Fluorescence; Phosphorescence
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D7/00—Control of flow
- G05D7/06—Control of flow characterised by the use of electric means
- G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
- G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
- G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
Landscapes
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Automation & Control Theory (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The present invention discloses a kind of system and method for the cutting efficiency of quick measurement sampler, including gas-drying apparatus, electrostatic charge neutralization, aerosol current divider, the cutter being sequentially connected, wherein also include aerosol on-line measurement system (including the first switching valve, on-line measurement device and control module for being measured to air-flow), the first switching valve is connected with aerosol current divider, cutter, on-line measurement device and control module respectively；Control module is arranged to the switching signal according to outside input, and generation switch-over control signal is exported to the first switching valve, and aerosol current divider and on-line measurement device are connected or connect cutter and on-line measurement device by the first switching valve of control.The system and device is simplified and compact, and Interface Control is simple to operate, using the system and method, can real-time online measuring, measurement period is short, and step simplifies.
Description
Technical field
The present invention relates to the cutting efficiency technical field of sampler, and in particular to a kind of cutting effect of quick measurement sampler
The system and method for rate.
Background technology
Cutter is an important component of sampler, and the cutting efficiency of cutter is an important ginseng of sampler
Number, it is the core for influenceing sampler measurement result accuracy.The research starting of the domestic cutting efficiency for cutter compared with
Not yet there is perfect technology and standard in evening, and the measuring method of the cutting characteristic for cutter, the country.
Measuring the cutting efficiency of cutter needs to carry out the particle of different-grain diameter the measurement of transmitance, then, passes through
Transmitance --- grain size curve obtains the cutting efficiency of cutter for fitting.
The measuring method of the cutting efficiency of traditional cutter uses fluorimetry：By vibrating orifice aerosol
Monodisperse particle occurs for device, detects the monodisperse particle quality collected on filter membrane respectively using fluophotometer, inside cutter
The aerosol mass adsorbed on the aerosol mass and cutter inwall deposited on the cutter inner surface of collection, by calculating
Transmitance to cutter to different monodisperse particles, the algorithm of calculating are shown below：
In formula, P be aerosol transmitance, MfilterFor the monodisperse particle quality collected on filter membrane, McsFor in cutter
Collection surface on the aerosol mass that deposits, MwallFor the aerosol mass adsorbed on the inwall of cutter.
The aerosol transmitance being calculated is fitted with grain size curve by fluorimetry, you can cut
The cutting efficiency of device.But accurate measurement is needed by the quality of the gas circuit sol particles of cutter, step using fluorimetry
Cumbersome, operation difficulty is high, and can not realize real-time online measuring, time of measuring length.
The content of the invention
According to an aspect of the invention, there is provided a kind of system of the cutting efficiency of quick measurement sampler, including according to
Gas-drying apparatus, electrostatic charge neutralization, aerosol current divider and the cutter of secondary connection, wherein, in addition to aerosol on-line measurement
System, aerosol on-line measurement system include the first switching valve, for the on-line measurement device measured to air-flow and control
Module, the first switching valve are connected with aerosol current divider, cutter, on-line measurement device and control module respectively；Control module
It is arranged to the switching signal according to outside input, generation switch-over control signal is exported to the first switching valve, controls the first switching valve
Aerosol current divider and on-line measurement device are connected or connect cutter and on-line measurement device.In survey calculation cutter
Transmitance test in, at least need to measure eight kinds of standard particles respectively, using traditional fluorimetry survey calculation
During the transmitance of cutter, because the concentration of aerosol is relatively low, measuring the quality of the standard particle of every kind of particle diameter needs collection 24
Hour can just be weighed, and completed the transmission measurement of eight kinds of standard particles and at least needed 2 weeks, using quick measurement of the invention
System, aerosol on-line measurement system is introduced, control the first switching valve to survey aerosol current divider with online by control module
Measure device to connect or connect cutter and on-line measurement device, by on-line measurement device, measurement does not pass through the upper of cutter in real time
The concentration and corresponding particle diameter of the concentration of faint breath colloidal sol and corresponding particle diameter or the downstream aerosol for passing through cutter, without accurate
The quality of upstream aerosol and downstream aerosol is measured, cutter can be obtained by the aerosol concentration and corresponding particle diameter that measure
Transmitance --- grain size curve, so as to obtain the cutting efficiency of cutter, operating procedure simplifies, due to without carrying out standard grain
The collection of son, time of measuring was foreshortened to 2 hours by original 2 weeks, by introducing aerosol on-line measurement system, it is possible to achieve gas
The on-line measurement of collosol concentration and corresponding particle diameter, measured value is obtained in real time, the apparatus of system of the invention simplifies, even
Connect simply, it is compact-sized, switching signal is inputted by operation interface and controls the first switching valve, it is swift to operate simple.
In some embodiments, wherein, aerosol current divider is arranged to include the first splitting streams delivery outlet and second
Splitting streams delivery outlet, the first splitting streams delivery outlet are connected with one of input port of the first switching valve, the second shunting gas
The input port for flowing delivery outlet and cutter is connected, and the delivery outlet of cutter is connected with another input port of the first switching valve, and first
The delivery outlet of switching valve is connected with on-line measurement device；Wherein, first switch controller is included in the first switching valve, first opens
The switch-over control signal that gateway controller exports according to control module switches over, and the first switching valve and the first splitting streams is defeated
The input port of outlet connection is connected with the delivery outlet of the first switching valve or the delivery outlet company with cutter by the first switching valve
The input port connect connects with the delivery outlet of the first switching valve.Thus, control module is cut by the switching signal generation of outside input
Control signal is changed, the first switch controller of the first switching valve is controlled with switch-over control signal, realizes that the first splitting streams export
Mouth is connected with on-line measurement device, the concentration and the delivery outlet of granularity or cutter of on-line measurement measurement device upstream aerosol
Connect with on-line measurement device, the concentration and granularity of on-line measurement measurement device downstream aerosol, cut without human hand operation first
Valve is changed, it is simple and quick.
In some embodiments, wherein, in addition to flow control system, the first splitting streams delivery outlet be arranged to include
First upstream aerosol delivery outlet and the second upstream aerosol delivery outlet, the delivery outlet of cutter are arranged to include first time faint breath
Colloidal sol delivery outlet and the second downstream aerosol delivery outlet, one of them of the first upstream aerosol delivery outlet and the first switching valve are defeated
Entrance is connected, and the first downstream aerosol delivery outlet is connected with another input port of the first switching valve, the second upstream aerosol output
Mouth and the second downstream aerosol delivery outlet are connected with flow control system, and flow control system is also connected with control module；Its
In, control module is also configured to the Regulate signal according to outside input, generation adjustment control signal output to flow control system,
Control the flow of flow control system regulation air-flow.Thus, adjusted respectively by flow control system the second upstream aerosol and
The flow of second downstream aerosol, it is thus possible to keep the flow of the first upstream aerosol and the first downstream aerosol and gas molten
The flow of glue on-line measurement system is consistent, aerosol on-line measurement system is measured the list of the different flow of cutter cuts
The cutting efficiency of scattered standard PSL aerosol sources of the gas, and switching signal and Regulate signal are inputted by control interface, by controlling
Molding block control flow control system carries out switching and the second upstream gas of the second upstream aerosol or the second downstream aerosol
The regulation of colloidal sol or downstream aerosol concentration, operated without human hand, simple and fast.
In some embodiments, wherein, flow control system includes the second switching valve, the Flow-rate adjustment dress being sequentially connected
Put and pump, wherein, the input port of the second upstream aerosol delivery outlet and the second downstream aerosol delivery outlet with the second switching valve
Connection, the second switching valve and flow regulator are connected with control module respectively, and flow regulator exports according to control module
Adjustment control Signal Regulation air-flow flow；The switch-over control signal of control module generation also exports to the second switching simultaneously
Second upstream aerosol delivery outlet and flow regulator are connected or by second by valve, the second switching valve according to switch-over control signal
Downstream aerosol delivery outlet is connected with flow regulator.Thus, flow control system passes through simple building block and part
Between simple annexation can be achieved with the regulation of the flow to the second upstream aerosol or the second downstream aerosol, pass through control
Interface inputs switching signal and Regulate signal, generates switch-over control signal and adjustment control signal by control module, passes through switching
Control signal controls the second switching valve to realize the switching of the second upstream aerosol or the second downstream aerosol, is believed by adjustment control
Number control flow regulator adjusts the flow of the second upstream aerosol or the second downstream aerosol, simple and quick.
In some embodiments, wherein, the second switching valve is connected to flow regulator by its delivery outlet, and second cuts
Change in valve and include second switch controller, the switch-over control signal that second switch controller exports according to control module is cut
Change, the input port being connected with the second upstream aerosol delivery outlet of the second switching valve is connected with the delivery outlet of the second switching valve or
Person connects the input port being connected with the second downstream aerosol delivery outlet of the second switching valve with the delivery outlet of the second switching valve.By
This, control module generates switch-over control signal by the switching signal of outside input, with the switching of switch-over control signal control second
The second switch controller of valve realize the second upstream aerosol and on-line measurement device connect or the second downstream aerosol with it is online
Measurement apparatus is connected, and the second switching valve is operated without human hand, simple and quick.
In some embodiments, wherein, flow control system also includes gas cleaning plant, gas cleaning plant difference
It is connected with the second switching valve and flow regulator, receives the air-flow of the second switching valve output, is exported after being purified to flow
Adjusting means.Thus, gas cleaning plant being accessed before flow regulator can avoid flow regulator from being contaminated, and keep
The measurement accuracy of flow regulator and the service life for extending flow regulator, the gas filtered by gas cleaning plant are molten
Glue discharges outside after flow regulator by the delivery outlet of pump, can avoid Aerosol Pollution air.
In some embodiments, wherein, control module is also configured to include the journey with data record and computing function
Sequence unit, on-line measurement device are connected by data wire with control module, to carry out data transmission.Thus, control module can be with
The the first upstream aerosol and the concentration of the first downstream aerosol and the data of particle diameter measured in real time on-line measurement device is carried out
Record, also, the cutting efficiency of cutter is obtained by the computing function of control module, measurement is convenient and swift, simultaneously as control
The writing function of molding block solves the defects of measurement data can not trace to the source.
According to another aspect of the present invention, there is provided a kind of system of cutting efficiency using quick measurement sampler is entered
The method that row quickly measures, including：It is external to pass sequentially through gas-drying apparatus, electrostatic charge neutralization, aerosol current divider and cutter
Portion input monodispersed standard PSL aerosols be dried, electrostatic neutralize, shunting and cutting process, generate upstream aerosol
With downstream aerosol；The switching signal of outside input is obtained by control module, and switching control letter is generated according to switching signal
Number output is to the first switching valve；First switching valve switches over control according to switch-over control signal, by aerosol current divider with
Line measurement apparatus is connected, is connected to the upstream aerosol progress on-line measurement of generation or by cutter and on-line measurement device, be right
The downstream aerosol of generation carries out on-line measurement.Thus, upstream and downstream aerosol is switched over by the first switching valve, makes gas
Colloidal sol on-line measurement system can be used with the concentration and corresponding particle diameter of real-time online measuring upstream aerosol or downstream aerosol
This method does not need the quality of accurate measurement upstream aerosol and downstream aerosol, and directly measures upstream aerosol respectively with
The concentration of faint breath colloidal sol and corresponding particle diameter, 2 hours can complete the measurement of the aerosol concentration of eight kinds of standard particles, by surveying
The aerosol concentration and the corresponding transmitance that can obtain cutter --- grain size curve obtained, so as to obtain the cutting of cutter
Efficiency, the survey calculation of cutting efficiency is carried out using this method, simple to operate, time of measuring is short.
In some embodiments, wherein, be additionally included in carry out on-line measurement while, to the upstream aerosol in measurement
Or downstream aerosol carries out the step of Flow-rate adjustment, the step includes：Upstream aerosol and downstream aerosol to generation are carried out
Second diffluence, upstream aerosol is split into the first upstream aerosol and the second upstream aerosol, downstream aerosol is split into
First downstream aerosol and the second downstream aerosol；First upstream aerosol and the first downstream aerosol are exported to the first switching
Valve, the second upstream aerosol and the second downstream aerosol are exported to the second switching valve；Outside input is obtained by control module
Switching signal, and switch-over control signal is generated according to switching signal and exported simultaneously to the first switching valve and the second switching valve；The
One switching valve and the second switching valve synchronize switching control according to switch-over control signal, by the first upstream aerosol export to
Second upstream aerosol is simultaneously exported to flow regulator or exports the first downstream aerosol to online survey by line measurement apparatus
Measure device, export the second downstream aerosol to flow regulator；Control module obtains the Regulate signal of outside input, and root
Adjustment control signal output is generated to flow regulator according to Regulate signal；Flow regulator is according to adjustment control Signal Regulation
The flow of second upstream aerosol or the second downstream aerosol.Thus, the second upstream gas is adjusted respectively by flow control system
The flow of colloidal sol and the second downstream aerosol, it is thus possible to keep the flow of the first upstream aerosol and the first downstream aerosol
It is consistent with the flow of aerosol on-line measurement system, aerosol on-line measurement system is measured the not cocurrent flow of cutter cuts
The concentration of the aerosol of amount, and switching signal and Regulate signal are inputted by control interface, switching control is generated by control module
Signal processed and adjustment control signal, the second switching valve is controlled to carry out cutting for the second upstream and downstream aerosol by switch-over control signal
Change and by regulation of the adjustment control signal to the second upstream aerosol or the second downstream aerosol concentration, it is simple and quick.
In some embodiments, wherein, it is additionally included in before carrying out Flow-rate adjustment, to the second upstream aerosol or second
Downstream aerosol carries out the step of gas purification, and the step includes：Gas cleaning plant receives the second of the second switching valve output
Upstream aerosol or the second downstream aerosol, and purified treatment is carried out, and by under the second upstream aerosol or second after purification
Faint breath colloidal sol is exported to flow regulator.Thus, flow regulator can be avoided to the gas progress Flow-rate adjustment of purification
It is contaminated, keep the measurement accuracy of flow regulator and extend the service life of flow regulator.
Brief description of the drawings
Fig. 1 is the frame diagram of the system of the cutting efficiency of the quick measurement sampler of an embodiment of the present invention；
Fig. 2 is the frame diagram of the aerosol on-line measurement system shown in Fig. 1；
Fig. 3 is the frame diagram of the system of the cutting efficiency of the quick measurement sampler of another embodiment of the present invention；
Fig. 4 is the frame diagram of the flow control system shown in Fig. 3；
Fig. 5 is the frame diagram of the system of the cutting efficiency of the quick measurement sampler of a further embodiment of this invention；
Fig. 6 is that the system of the cutting efficiency by quickly measuring sampler of an embodiment of the present invention is quickly measured
Method workflow diagram；
Fig. 7 is that the system of the cutting efficiency by quickly measuring sampler of another embodiment of the present invention is quickly surveyed
The workflow diagram of the method for amount；
Fig. 8 is that the system of the cutting efficiency by quickly measuring sampler of a further embodiment of this invention is quickly surveyed
The workflow diagram of the method for amount.
Embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
Fig. 1 and Fig. 2 schematically shows the cutting of the quick measurement sampler according to one embodiment of the present invention
The system of efficiency.
As illustrated, the system includes following device：Gas-drying apparatus 1, electrostatic charge neutralization 2, aerosol current divider 3, cut
Cutter 4 and aerosol on-line measurement system 5, wherein aerosol on-line measurement system 5 include the first switching valve 51, for air-flow
The on-line measurement device 52 and control module 53 measured.
As illustrated, (polystyrene is micro- by the input port of gas-drying apparatus 1 and the monodispersed standard PSL of outside of system
Ball) connection of aerosol source of the gas, the delivery outlet of gas-drying apparatus 1 is connected with the input port of electrostatic charge neutralization 2, electrostatic charge neutralization 2
Delivery outlet is connected with the input port of aerosol current divider 3.Wherein, the delivery outlet of aerosol current divider 3 is arranged to the first shunting gas
Stream delivery outlet and the second splitting streams delivery outlet, the input port of the second splitting streams delivery outlet and cutter 4 are detachably connected.The
One switching valve 51 is arranged to include two input ports, and one of input port is detachably connected with the first splitting streams delivery outlet,
Another input port and the delivery outlet of cutter 4 are detachably connected, and the delivery outlet of the first switching valve 51 and on-line measurement device 52
Input port connection.In addition, the first switching valve 51 is additionally coupled to control module 53 (such as passing through electric connection mode).Wherein, cut
4 preferred cyclone type of cutter or impact granule thing cutter, it is detachably connected and is preferably realized by gas circuit pipe and snap joint, soon
Quick coupling includes the snap joint of thread straight-through formula, the snap joint of Y-type three way type formula and direct-through type quick coupler.The system of firm discharge
The drier that outside monodispersed standard PSL aerosols source of the gas passes through in gas-drying apparatus 1 successively is dried, electrostatic neutralizes
Device 2 carries out electrostatic neutralization, and afterwards, the aerosol neutralized by electrostatic is shunted via aerosol current divider 3, and is passed through respectively
First splitting streams delivery outlet and the output of the second splitting streams delivery outlet.Wherein, exported by the first splitting streams delivery outlet
(cut without cutter 4) for upstream aerosol, (passed through for downstream aerosol by what the second splitting streams delivery outlet exported
The cutting of cutter 4 is crossed).During normal activation system work, the state of the first switching valve 51 is one of them under default conditions
Input port connects with delivery outlet, i.e., connects aerosol current divider 3 and on-line measurement device 52 or survey cutter 4 with online
Amount device 52 is connected.Now, when the system for starting the embodiment of the present invention measures, can only be surveyed by on-line measurement device 52
The concentration of upstream aerosol or downstream aerosol is measured, upstream aerosol and downstream aerosol after measurement are filled by on-line measurement
Put outside 52 discharge systems.In specifically used, the on-state of the first switching valve 51 can be automatically adjusted as needed, so as to
Change measurement object.Specific implementation for example can be to input control interface to control module by the user of control module 53
53 input switching signals, for example, input is that control module 53 is according to input when being switched to the switching signal of upstream aerosol
Switching signal generation switch-over control signal is exported to the first switching valve 51, controls the first switching valve 51 will by switch-over control signal
First splitting streams delivery outlet of aerosol current divider 3 is connected with the input port of on-line measurement device 52, now, on-line measurement dress
Put the concentration of 52 real-time online measuring upstream aerosols and corresponding particle diameter；What it is when input is to be switched to the switching of downstream aerosol
Signal, control module 53 generate switch-over control signal according to the switching signal of input and exported to the first switching valve 51, pass through switching
Control signal controls the first switching valve 51 to connect the input port of the delivery outlet of cutter 4 and on-line measurement device 52, now,
The concentration of the real-time online measuring downstream aerosol of line measurement apparatus 52 and corresponding particle diameter.For example, control module 53 passes through click
Switching push button in control interface receives the switching signal of user's input, and generates electric signal according to switching signal to control first
Switching valve 51 switches on-off, so as to be switched under the state that switches on-off, to control the input connected with delivery outlet
Which mouth is, so as to control output to the gas of on-line measurement device 52.Preferably, the on-line measurement dress in the embodiment of the present invention
It can be aerosol particle footpath spectrometer to put 52, and the control module 53 in the embodiment of the present invention can be the software being deployed on computer
Control system or hardware control device.When software control system of the control module 53 in embodiment for deployment on computers
When, the connected mode of the first switching valve 51 and control module 53 can be electrical connection or wireless network connection, when for wireless network
, it is necessary to set wireless module in the first switching valve 51 during connection, and the switching of wireless module and the first switching valve 51 is switched
Connection, to switch output switching control signal to switching by wireless module.In addition, the switching control mode of the first switching valve 51
It can also be embodied as setting first switch controller in the first switching valve 51, first switch controller connects with control module 53
Connect, connected the different input ports of the first switching valve 51 and delivery outlet according to the selection of the switch-over control signal of control module 53.The
The switching control of one switching valve 51 is also implemented as increasing a small-sized controller in the first switching valve 51, and sets and cut
Switch is changed, switching switch is connected to by controller by circuit connection, and controller then can be with the circuit of control module 53 or net
Network connection is communicated, and so as to control the switching of the first switching valve 51, the present invention is without limitation, passes through as long as can realize
Outside control module 53 automatically controls the switching of the first switching valve 51, and then realizes the automatic switchover of measurement object, is all considered as
Implementation based on present inventive concept, all should be within the scope of the present invention.
The Fast measurement system introduces aerosol on-line measurement system 5, adopted simplifying compared to existing measuring system
Simple, the accurate mass without measurement by each gas circuit particulate of cutter 4 is connected while the component devices of sample device,
But concentration and the corresponding particle diameter of upstream aerosol and downstream aerosol are measured respectively, eliminate the collection of measurement particle
Journey, time of measuring are short.The concentration of upstream and downstream aerosol and corresponding particle diameter are measured by the measuring system of the embodiment of the present invention
Afterwards, the transmitance of cutter 4 can be calculated by below equation：
In formula, daeTo test the aerodynamic diameter of particle, nUpstreamFor the number concentration of upstream aerosol particle, nDownstreamFor
The number concentration of downstream aerosol particle.
In a particular application, it is necessary to measure the transmitance of the PSL aerosols of eight kinds of standard particles, worked as from aerodynamics
It is 1.5~4.5 μm to measure diameter range, and the transmitance of the PSL aerosols of every kind of standard particle needs to measure three times, three times meter
The average value of obtained transmitance is the mean transmissivity of every kind of standard particle, passes through the mean transmissivity of every kind of standard particle
Carry out curve fitting to obtain transmitance with corresponding standard particle particle diameter --- grain size curve, so as to obtain cutting for the measuring system
Cut efficiency.The transmitance formula of eight kinds of particles is：
In formula, i is the numbering (i=1,2 ... ..., 8) of different aerosol particle diameters, and j is the number (j of every kind of grain diameter measurement
=1,2,3), N1ijFor the concentration of the first upstream aerosol, N2ijFor the concentration of the first downstream aerosol, ηijFor every kind of particle diameter single
The transmitance (j=1,2,3) of measurement.The calculation formula of the mean transmissivity of every kind of standard particle is：
Wherein, it is calculated by the formulaFor the mean transmissivity (i=1,2 ... ..., 8) of every kind of particle diameter.Will be saturating
The average value for crossing rate carries out curve fitting to obtain transmitance with corresponding aerosol air aerodynamic particle size --- grain size curve, from
And obtain the cutting efficiency of the system.Foreshortened to 2 hours, and used by 2 weeks using the time of the systematic survey cutting efficiency
The system of the quick measurement sampler cutting efficiency of the present invention can make apparatus simplification, connect simple, compact-sized, operation
Simply.
Preferably, as shown in Fig. 3 to 5, the system of the quick cutting efficiency for measuring sampler may be arranged as including stream
Measure regulating system 6.
In there is provided the embodiment of flow control system 6, as shown in figure 3, the first splitting streams delivery outlet preferably passes through
Y-type three way type formula fast interface is connected, by the first splitting streams delivery outlet and then is divided into the first upstream aerosol delivery outlet and second
Upstream aerosol delivery outlet, to be respectively used to export the first upstream aerosol and the second upstream aerosol.Similarly, cutter 4
Delivery outlet it is also preferred that by connecting Y-type three way type formula fast interface, by the delivery outlet of cutter 4 and then to be divided into first time faint breath molten
Glue delivery outlet and the second downstream aerosol delivery outlet, to be respectively used to export the first downstream aerosol and the second downstream aerosol.
In this case, two input ports of the first switching valve 51 respectively with the first upstream aerosol delivery outlet and the first downstream aerosol
Delivery outlet is detachably connected.And flow control system 6 then by two input ports respectively with the second upstream aerosol delivery outlet and
Second downstream aerosol delivery outlet is detachably connected.Also, flow control system 6 is additionally coupled to control module 53.Into system
The monodispersed standard PSL aerosols source of the gas that portion is passed through any flow passes through in the gas-drying apparatus 1 and the electrostatic successively
Divided with after device 2 by the aerosol current divider 3 to shunt I and shunting II, I point of shunting is on the first upstream aerosol and second
Faint breath colloidal sol, shunting II are divided into the first downstream aerosol and the second downstream aerosol after cutter 4.When defeated in control interface
When entering to be switched to the switching signal of upstream aerosol, switch-over control signal that control module 53 generates according to the switching signal of input
Flow control system 6 is controlled by the input port of the second upstream aerosol delivery outlet of aerosol current divider 3 and flow control system 6
The first switching valve 51 is connected and controlled by the first upstream aerosol delivery outlet of aerosol current divider 3 and on-line measurement device 52
Input port is connected, the concentration of the first upstream of the real-time online measuring aerosol of on-line measurement device 52 and corresponding particle diameter；When controlling
During input Regulate signal in interface processed, control module 53 generates adjustment control signal output to flow control system 6, to control flow
The flow of second upstream aerosol is adjusted regulating system 6, is made by the flow for adjusting the second upstream aerosol on first
The flow of faint breath colloidal sol is consistent with the measurement flow of on-line measurement device 52, so as to which on-line measurement device 52 can measure cutting
The cutting efficiency of the monodispersed standard PSL aerosol sources of the gas of the different flow of device cutting.It is switched to when in control interface input
During the switching signal of downstream aerosol, the switch-over control signal that control module 53 generates controls flow control system 6 by cutter 4
The input port of the second downstream aerosol delivery outlet and flow control system 6 connect and the first switching valve 51 of control is by cutter 4
The input port of delivery outlet and on-line measurement device 52 of the first downstream aerosol connect, the real-time online of on-line measurement device 52 is surveyed
The flow control once concentration of faint breath colloidal sol and corresponding particle diameter；When in control interface input flow rate Regulate signal, control module 53
Adjustment control signal output is generated to flow control system 6, to control flow control system 6 to adjust the stream of the second downstream aerosol
Amount, the flow of the first downstream aerosol and the measurement stream of on-line measurement device 52 are made by the flow for adjusting the second downstream aerosol
Amount is consistent, so as to which on-line measurement device 52 can measure the monodispersed standard PSL aerosols of the different flow of cutter cuts
The cutting efficiency of source of the gas.First upstream aerosol and the first downstream aerosol measure heel row by on-line measurement device 52 and gone out
Portion.
Preferably, as shown in figure 4, flow control system 6 includes the second switching valve 61, flow regulator 63 and pump 64,
Second switching valve 61 sets two input ports to connect respectively with the second upstream aerosol delivery outlet and the second downstream aerosol delivery outlet
Connect, the delivery outlet of the second switching valve 61 is connected with the input port of flow regulator 63, the delivery outlet of flow regulator 63 with
The input port connection of pump 64, control module 53 is connected with the second switching valve 61 and flow regulator 63 respectively (such as passes through electricity
Connection is realized), flow regulator 63 is used to carry out the gas of process Flow-rate adjustment, and pump 64 is used to extract by the second switching
The the second upstream aerosol or the second downstream aerosol that valve 61 switches flow through flow regulator 63, and can be adjusted by pump 64
Save the second upstream aerosol or the second downstream aerosol flows through the flow velocity of flow regulator 63, flow regulator 63 and pump 64
The product of the prior art with corresponding function can be selected to realize, such as flow regulator 63 can be with selection standard stream
Gauge, pump 64 can select the aspiration pump supporting with proving flowmeter, as long as the stream of the flow of the gas of process can be measured
Gauge is all considered as the implementation based on present inventive concept, all should be within the scope of the present invention.Wherein, the second switching valve 61
Switching control mode be referred to the first switching valve 51 above-mentioned narration realize, will not be repeated here.Thus, specifically used
When, when being switched to the switching signal of upstream aerosol in control interface input, it is same that control module 53 generates switch-over control signal
When export to the first switching valve 51 and the second switching valve 61, with control the second switching valve 61 by the second of aerosol current divider 3
The first switching valve 51 is connected and controlled by aerosol current divider 3 in the input port of faint breath colloidal sol delivery outlet and flow regulator 63
The input port of first upstream aerosol delivery outlet and on-line measurement device 52 is connected, the real-time online measuring of on-line measurement device 52 the
The concentration of one upstream aerosol and corresponding particle diameter.Meanwhile when in use, user can also be as desired by control module 53
Control interface input Regulate signal (such as can be realized by the button of Flow-rate adjustment or be realized by input module).When
When control interface inputs Regulate signal, second upstream aerosol flows to flow regulator 63 under the air-extraction function of pump 64, control
The adjustment control signal control flow regulator 63 that molding block 53 generates adjusts the flow of the second upstream aerosol, passes through regulation
The flow of second upstream aerosol makes the flow of the first upstream aerosol consistent with the measurement flow of on-line measurement device 52, from
And on-line measurement device 52 can measure cutting for the monodispersed standard PSL aerosol sources of the gas of the different flow of cutter cuts
Cut efficiency.When being switched to the switching signal of downstream aerosol in control interface input, the switching control of the generation of control module 53
Signal controls the second switching valve 61 to connect the input port of the second downstream aerosol delivery outlet and flow regulator 63 of cutter 4
Logical and the first switching valve 51 of control connects the input port of the first downstream aerosol delivery outlet and on-line measurement device 52 of cutter 4
It is logical, the concentration of the first downstream of the real-time online measuring aerosol of on-line measurement device 52 and corresponding particle diameter.When defeated in control interface
During inbound traffics Regulate signal, second downstream aerosol flows to flow regulator 63, control module under the air-extraction function of pump 64
The adjustment control signal control flow regulator 63 of 53 generations adjusts the flow of the second downstream aerosol, by under regulation second
The flow of faint breath colloidal sol makes the flow of the first downstream aerosol consistent with the measurement flow of on-line measurement device 52, so as to online
Measurement apparatus 52 can measure the cutting efficiency of the monodispersed standard PSL aerosol sources of the gas of the different flow of cutter cuts.
Preferably, as shown in figure 5, flow control system 6 also includes gas cleaning plant 62, gas cleaning plant 62 it is defeated
Entrance is connected with the delivery outlet of the second switching valve 61, the delivery outlet of gas cleaning plant 62 and the input port of flow regulator 63
Connection, the second upstream aerosol or the second downstream aerosol flow to gas cleaning plant 62 after the switching of the second switching valve 61,
Gas by purification by pump 64 after Flow-rate adjustment regulation flow by discharging outside.
Preferably, aerosol on-line measurement system 5 is connected by data wire with the record and computing device of outside, is preferably existed
Set data transmission interface to be used to be connected with the record of outside and computing device in line measurement apparatus 52, realize the note measured in real time
Record and calculating, not only shortening measurement period also enables measurement data to trace to the source.In another embodiment, control can also be passed through
Module 53 is realized record and calculated, such as control module 53 is to include computer and the device of software program, control module 53
Software program is disposed on computers, and includes the program for realizing data record and analyzing computing function in its software program
Unit, and on-line measurement device 52 is connected directly by data transmission interface with deploying the computer of control module 53, realizes
With the communication and data interaction of control module 53.
Fig. 6 schematically shows is imitated using the cutting by quickly measuring sampler of one embodiment of the present invention
The method that the system of rate is quickly measured.As shown in fig. 6, this method comprises the following steps：
Step S101：The monodispersed standard PSL aerosols of firm discharge are dried by gas-drying apparatus 1.
Step S102：Dry aerosol is subjected to electrostatic neutralization by electrostatic charge neutralization 2, goes to destatic and gathers to prevent particle
Group condenses.
Step S103：The aerosol for going to destatic is shunted by aerosol current divider 3, is divided into shunting I and shunting II.
Step S104：Shunting II is cut by cutter 4, is downstream aerosol by the cutting of cutter 4, point
Stream I is upstream aerosol.
Step S201：Control module 53 generates switch-over control signal output, switching control according to the switching signal of outside input
Signal processed for example can be electric signal or binary signal.
Step S202：First switching valve 51 carries out first according to switch-over control signal to upstream aerosol or downstream aerosol
Switching.For example, it may be by setting the first controlling switch, the first controlling switch and control module 53 in the first switching valve 51
Preferably electrically, on off operating mode switching is carried out by the switch-over control signal of control module 53, makes to input accordingly so as to realize
Mouth is connected with delivery outlet, and upstream aerosol is exported or downstream aerosol exports.
Step S203：Upstream aerosol or downstream aerosol by the first switching carry out dense by on-line measurement device 52
The real-time online measuring of degree and particle diameter, respectively obtains the concentration of upstream aerosol and downstream aerosol and corresponding particle diameter, and lead to
Cross the outside that the concentration value measured is transferred to measurement apparatus by data wire.For example, be output in the computing device of specialty, or output
Into the calculation procedure for the control module 53 realized by software mode, the calculating of next step is carried out.
Using the present invention method measure, the first switching valve 51 to upstream aerosol or downstream aerosol switching after by
The concentration of the particle of the real-time online measuring upstream aerosol of on-line measurement device 52 or downstream aerosol and corresponding particle diameter, without
Carry out the collection of particle, the measurement that eight kinds of particles can be completed in 2 hours.Switching signal is inputted in control interface, by control module
53 generation switch-over control signals control the first switching valve 51 to realize upstream aerosol and on-line measurement device 52 is connected or lower faint breath
Colloidal sol is connected with on-line measurement device 52, easy to operate without being switched over by manual mode to the first switching valve 51.
Preferably, as shown in fig. 7, this method also includes Flow-rate adjustment step：
Step S1031：Second diffluence is carried out to the air-flow after above-mentioned steps S103 shuntings, i.e., entered upstream aerosol
One step splits into the first upstream aerosol and the second upstream aerosol.
Step S1041：Second diffluence is carried out to the air-flow after above-mentioned steps S104 cuttings, i.e., entered downstream aerosol
One step splits into the first downstream aerosol and the second downstream aerosol.
Step S2011：The setting of signal and Regulate signal is switched over by the control interface of control module 53, for example, it is logical
Cross knob or button is configured.Control module 53 receives the switching signal and Regulate signal according to outside input, generation switching
Control signal and adjustment control signal output, wherein switch-over control signal export to the first switching valve 51 and the second switching valve simultaneously
61, adjustment control signal is then exported to flow regulator 63.Switch-over control signal and adjustment control signal for example can be electricity
Signal (such as in by way of circuit realiration) or binary signal (such as in by way of chip microcontroller) or
Character signal (such as in by way of being realized software).
Step S2012：Second switching valve 61 is molten to the second upstream aerosol or second time faint breath according to switch-over control signal
Glue carries out the second switching, and the first switching valve 51 is entered according to switch-over control signal to the first upstream aerosol or the first downstream aerosol
Row first switches.Switching mode is identical with the first switching valve 51, will not be repeated here.
Step 301：Flow regulator 63 is molten to the second upstream aerosol or second time faint breath according to adjustment control signal
Glue carries out Flow-rate adjustment.Flow regulator 63 is adjusted according to adjustment control signal, such as can be that control module 53 is given birth to
Into adjustment control signal include flow velocity, after flow regulator 63 receives adjustment control signal, according to flow control
The flow of two upstream aerosols or the second downstream aerosol, such as the actuating speed by controlling pump 64, these are referred to existing
There is the Flow-rate adjustment control mode of flow regulator 63 in technology, will not be repeated here.
Step S2013：On-line measurement is carried out to the first upstream aerosol or the first downstream aerosol.Specifically, by cutting
Change with after Flow-rate adjustment, the first upstream aerosol or the first downstream aerosol for flowing into on-line measurement device 52 are carried out concentration and
The real-time online measuring of particle diameter, the concentration of the first upstream aerosol and the first downstream aerosol and corresponding particle diameter are respectively obtained,
And the concentration value measured is transferred to the outside of measurement apparatus by data wire.
By the second switching valve 61 by upstream aerosol wherein tributary the second upstream aerosol and flow regulator
63 connect or connect downstream aerosol wherein tributary the second downstream aerosol with flow regulator 63, by adjusting the
The flow of two upstream aerosols or the second downstream aerosol, make upstream aerosol another tributary the first upstream aerosol or under
The flow of the first downstream of another tributary aerosol of faint breath colloidal sol meets the measurement request of on-line measurement device 52, so as to,
Line measurement apparatus 52 can measure the concentration of the source of the gas of the different flow of cutter cuts and corresponding particle diameter.It is defeated in control interface
Enter switching signal and Regulate signal, switch-over control signal and adjustment control signal, switch-over control signal are generated by control module 53
The second switching valve 61 is controlled to connect the second upstream aerosol and flow regulator 63 or by the second downstream aerosol and flow
Adjusting means 63 is connected, and adjustment control signal control flow regulator 63 adjusts the second upstream aerosol or second time faint breath is molten
The flow of glue；Switch-over control signal also controls the first switching valve 51 of control to connect the first upstream aerosol with on-line measurement device 52
Lead to or connect the first downstream aerosol with on-line measurement device 52, by the real-time online measuring first of on-line measurement device 52
The concentration and corresponding particle diameter of faint breath colloidal sol or the first downstream aerosol.In the gas circuit of control interface input switching and the stream of regulation
Value, you can the switching of gas circuit and the regulation of flow are realized by control module 53, it is easy to operate without manual control.
Preferably, as shown in figure 8, this method is additionally included in before carrying out Flow-rate adjustment, convection current becomes a mandarin quantity regulating device 63
Gas purified, specifically include：
Step S302：The second upstream aerosol and the second downstream aerosol by the second switching pass through gas purification respectively
Device 62 is purified.
Step S303：The second upstream aerosol and the second downstream aerosol by purification pass through flow regulator respectively
63 carry out Flow-rate adjustment.
The second switching gas circuit before Flow-rate adjustment is purified using gas cleaning plant 62, Flow-rate adjustment can be avoided
Device 63 in by gas circuit particle polluted, extend flow regulator 63 service life.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, not
On the premise of departing from the invention design, various modifications and improvements can be made, these belong to the protection model of the present invention
Enclose.
Claims (9)
1. the quickly system of the cutting efficiency of measurement sampler, it is characterised in that including the gas-drying apparatus being sequentially connected（1）、
Electrostatic charge neutralization（2）, aerosol current divider（3）And cutter（4）, wherein, in addition to aerosol on-line measurement system（5）, institute
State aerosol on-line measurement system（5）Including the first switching valve（51）, on-line measurement device for being measured to air-flow
（52）And control module（53）, first switching valve（51）Respectively with the aerosol current divider（3）, cutter（4）, it is online
Measurement apparatus（52）And control module（53）Connection；
Also include flow control system（6）, the flow control system（6）Including the second switching valve being sequentially connected（61）, stream
Quantity regulating device（63）And pump（64）, the aerosol current divider（3）It is arranged to include the first splitting streams delivery outlet and second
Splitting streams delivery outlet, the first splitting streams delivery outlet are arranged to include the first upstream aerosol delivery outlet and the second upstream
Aerosol delivery outlet, the second splitting streams delivery outlet and the cutter（4）Input port connection, the cutter（4）
Delivery outlet be arranged to include the first downstream aerosol delivery outlet and the second downstream aerosol delivery outlet, first upstream gas is molten
Glue delivery outlet and first switching valve（51）The connection of one of input port, the first downstream aerosol delivery outlet and institute
State the first switching valve（51）Another input port connection, first switching valve（51）Delivery outlet and the on-line measurement device
（52）Connection, the second upstream aerosol delivery outlet and the second downstream aerosol delivery outlet with the flow control system
（6）The second switching valve（61）Input port connection, the flow control system（6）The second switching valve（61）And Flow-rate adjustment
Device（63）Respectively with the control module（53）Connection；
The control module（53）It is arranged to the switching signal according to outside input, generation switch-over control signal is exported to described the
One switching valve（51）, first switching valve（51）According to the switch-over control signal by the first upstream aerosol delivery outlet
With the on-line measurement device（52）Input port connect or by the cutter（4）The first downstream aerosol delivery outlet and institute
State on-line measurement device（52）Input port connect, the control module（53）The switch-over control signal of generation also export simultaneously to
Second switching valve（61）, second switching valve（61）According to the switch-over control signal by second upstream aerosol
Delivery outlet and the flow regulator（63）Input port connect or by the second downstream aerosol delivery outlet and the stream
Quantity regulating device（63）Input port connect；
Wherein, the control module（53）The Regulate signal according to outside input is also configured to, generates adjustment control signal output
To the flow control system（6）Flow regulator（63）, control the flow control system（6）Flow regulator
（63）According to the control module（53）The flow of the adjustment control Signal Regulation air-flow of output.
2. the system of the cutting efficiency of quick measurement sampler according to claim 1, it is characterised in that the control mould
Block（53）To dispose software control system on computers, first switching valve（51）With the second switching valve（61）In be all provided with
Put wireless module, the wireless module and first switching valve（51）Switching switch and second switching valve（61）Cut
Switch connection is changed, the software control system is by the wireless module to first switching valve（51）Switching switch and institute
State the second switching valve（61）Switching switch output switching control signal.
3. the system of the cutting efficiency of quick measurement sampler according to claim 2, wherein, second switching valve
（61）The flow regulator is connected to by its delivery outlet（63）, second switching valve（61）In include second switch
Controller, the second switch controller is according to the control module（53）The switch-over control signal of output switches over, by institute
State the second switching valve（61）The input port being connected with the second upstream aerosol delivery outlet and second switching valve（61）
Delivery outlet connection or by second switching valve（61）The input port being connected with the second downstream aerosol delivery outlet
With second switching valve（61）Delivery outlet connection.
4. the system of the cutting efficiency of quick measurement sampler according to claim 2, it is characterised in that the flow is adjusted
Section system（6）Also include gas cleaning plant（62）, the gas cleaning plant（62）Respectively with second switching valve（61）
And flow regulator（63）Connection, receive second switching valve（61）The air-flow of output, exported after being purified to described
Flow regulator（63）.
5. the system of the cutting efficiency of quick measurement sampler according to claim 3, it is characterised in that the flow is adjusted
Section system（6）Also include gas cleaning plant（62）, the gas cleaning plant（62）Respectively with second switching valve（61）
And flow regulator（63）Connection, receive second switching valve（61）The air-flow of output, exported after being purified to described
Flow regulator（63）.
6. the system of the cutting efficiency of quick measurement sampler according to claim 4, it is characterised in that described first cuts
Change valve（51）In include first switch controller, the first switch controller is according to the control module（53）Output is cut
Change control signal to switch over, by first switching valve（51）The input port being connected with the first splitting streams delivery outlet
With first switching valve（51）Delivery outlet connection or by first switching valve（51）With the cutter（4）It is defeated
Export the input port of connection and first switching valve（51）Delivery outlet connection.
7. the system of the cutting efficiency of the quick measurement sampler according to claim 1 to 6 any one, its feature exist
In the control module（53）It is also configured to include the program unit with data record and computing function, the on-line measurement
Device（52）Pass through data wire and the control module（53）Connection, to carry out data transmission.
8. the method quickly measured, including：
Pass sequentially through gas-drying apparatus（1）, electrostatic charge neutralization（2）, aerosol current divider（3）And cutter（4）To outside input
Monodispersed standard PSL aerosols be dried, electrostatic neutralizes, shunting and cutting process, generate upstream aerosol and downstream
Aerosol；
Pass through control module（53）The switching signal of outside input is obtained, and switch-over control signal is generated according to the switching signal
Export to the first switching valve（51）；
First switching valve（51）Control is switched over according to switch-over control signal, by the aerosol current divider（3）With
Line measurement apparatus（52）Connect, on-line measurement carried out to the upstream aerosol of generation or by the cutter（4）With it is described online
Measurement apparatus（52）Connect, the downstream aerosol progress on-line measurement to generation；
While being additionally included in progress on-line measurement, Flow-rate adjustment is carried out to the upstream aerosol in measurement or downstream aerosol
Step, the step include：
Upstream aerosol and downstream aerosol to generation carry out second diffluence, and the upstream aerosol is split into the first upstream
Aerosol and the second upstream aerosol, the downstream aerosol is split into the first downstream aerosol and the second downstream aerosol；
First upstream aerosol and the first downstream aerosol are exported to first switching valve（51）, by the second upstream aerosol
Exported with the second downstream aerosol to the second switching valve（61）；
Pass through the control module（53）The switching signal of outside input is obtained, and switching control is generated according to the switching signal
Signal exports to the first switching valve simultaneously（51）With the second switching valve（61）；
First switching valve（51）With the second switching valve（61）Switching control is synchronized according to switch-over control signal, by first
Upstream aerosol is exported to the on-line measurement device（52）And the second upstream aerosol is exported to flow regulator（63）
Or the first downstream aerosol is exported to the on-line measurement device（52）, by the second downstream aerosol export to Flow-rate adjustment fill
Put（63）；
The control module（53）The Regulate signal of outside input is obtained, and adjustment control signal is generated according to the Regulate signal
Export to the flow regulator（63）；
The flow regulator（63）It is molten according to adjustment control Signal Regulation the second upstream aerosol or second time faint breath
The flow of glue.
9. the method according to claim 8 quickly measured, it is characterised in that it is additionally included in before carrying out Flow-rate adjustment,
The step of carrying out gas purification to second upstream aerosol or the second downstream aerosol, the step includes：
Gas cleaning plant（62）Receive second switching valve（61）The the second upstream aerosol or second time faint breath of output are molten
Glue, and purified treatment is carried out, and the second upstream aerosol after purification or the second downstream aerosol are exported to the flow and adjusted
Regulating device（63）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710326320.XA CN107014796B (en) | 2017-05-10 | 2017-05-10 | A kind of system and method for the cutting efficiency of quick measurement sampler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710326320.XA CN107014796B (en) | 2017-05-10 | 2017-05-10 | A kind of system and method for the cutting efficiency of quick measurement sampler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107014796A CN107014796A (en) | 2017-08-04 |
| CN107014796B true CN107014796B (en) | 2018-01-12 |
Family
ID=59450068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710326320.XA Active CN107014796B (en) | 2017-05-10 | 2017-05-10 | A kind of system and method for the cutting efficiency of quick measurement sampler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107014796B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111122519B (en) * | 2018-10-30 | 2023-07-18 | 重庆民泰新农业科技发展集团有限公司 | Closed-loop flow control system and control method for atomic fluorescence instrument |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6342347B1 (en) * | 1999-10-22 | 2002-01-29 | Biosensor Systems Design., Inc. | Electromagnetic sensor |
| CN203132990U (en) * | 2013-02-06 | 2013-08-14 | 兰州大学 | Series observation system for integral turbidity meter |
| CN104111217A (en) * | 2014-06-18 | 2014-10-22 | 瑞曼博(北京)环保科技有限公司 | Dust calibration system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104111216A (en) * | 2014-06-18 | 2014-10-22 | 瑞曼博(北京)环保科技有限公司 | PM10/PM2.5 cutting head and filter membrane calibration system |
| CN104198346B (en) * | 2014-08-26 | 2016-04-20 | 北京绿林创新数码科技有限公司 | A kind of mobile phone control type dust sensor monitoring system and using method thereof |
| CN104748994B (en) * | 2015-03-31 | 2017-06-23 | 中国科学院合肥物质科学研究院 | A kind of PM2.5 cutter cuts efficiency test device and its method of testing |
| CN105067495A (en) * | 2015-07-17 | 2015-11-18 | 北京理工大学 | Filtration efficiency calibration system for air filtration equipment |
-
2017
- 2017-05-10 CN CN201710326320.XA patent/CN107014796B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6342347B1 (en) * | 1999-10-22 | 2002-01-29 | Biosensor Systems Design., Inc. | Electromagnetic sensor |
| CN203132990U (en) * | 2013-02-06 | 2013-08-14 | 兰州大学 | Series observation system for integral turbidity meter |
| CN104111217A (en) * | 2014-06-18 | 2014-10-22 | 瑞曼博(北京)环保科技有限公司 | Dust calibration system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107014796A (en) | 2017-08-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110998276B (en) | Continuous automatic measuring device for fine powder in chimney waste gas | |
| CN102338709B (en) | In-line smoke attenuator | |
| TWI600462B (en) | Filter bypass | |
| CN104729890B (en) | A kind of PM2.5 source resolution sampling apparatuses based on feedback flow control | |
| CN107014796B (en) | A kind of system and method for the cutting efficiency of quick measurement sampler | |
| CN103415768B (en) | Measurement device for total organic carbon | |
| WO2007122879A1 (en) | Odor mixing apparatus, odor recording apparatus, odor reproducing apparatus, and odor recording and reproducing system | |
| CN207163912U (en) | A kind of system of the cutting efficiency of quick measurement sampler | |
| CN105203434A (en) | Particle size spectrometer measuring water content of aerosol | |
| CN203053947U (en) | Multi-channel multi-component fixed source sampling analysis device | |
| CN103308649A (en) | Multi-channel multi-component stationary source sampling and analysis system | |
| CN105067495A (en) | Filtration efficiency calibration system for air filtration equipment | |
| CN105004648B (en) | A kind of medicinal powder aerosol concentration transducer calibration experimental rig | |
| CN111077034A (en) | Particle monitoring equipment and method by using oscillating balance method | |
| CN1868346A (en) | Automatic control method for leaf beating machine set | |
| CN209485927U (en) | A kind of wide range particulate matter detection means | |
| CN208574941U (en) | A kind of cut tobacco flexibility winnowing machine air quantity controller | |
| CN111624144B (en) | Calibrating device and method for particulate matter monitor | |
| CN102419272B (en) | Particle size grading acquisition method of cigarette mainstream smoke aerosol | |
| CN102589959A (en) | Method of measuring characteristics of critical orifice type constant flow rate instrument for use in multistage dilution mechanism | |
| CN205461441U (en) | Intelligence efficient aerosol concentration measurement and purifier | |
| CN107421863A (en) | It is a kind of to combine the PM that monodisperse aerosol occurs1Cutting head Performance Test System | |
| SALTZMAN | Generalized performance characteristics of miniature cyclones for atmospheric particulate sampling | |
| CN209589630U (en) | A kind of atmospheric monitoring system | |
| CN109323797A (en) | Silicon resonance pressure sensor automatic calibration system and scaling method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |