CN107014796A - 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
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- CN107014796A CN107014796A CN201710326320.XA CN201710326320A CN107014796A CN 107014796 A CN107014796 A CN 107014796A CN 201710326320 A CN201710326320 A CN 201710326320A CN 107014796 A CN107014796 A CN 107014796A
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- 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
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- 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
Abstract
The present invention discloses a kind of system and method for the cutting efficiency of quick measurement sampler, including the gas-drying apparatus being sequentially connected, electrostatic charge neutralization, aerosol current divider, cutter, 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 simplifies and compact, Interface Control, 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, is to influence the core of sampler measurement result accuracy.The research starting of the domestic cutting efficiency for cutter compared with
Evening, and the measuring method of the cutting characteristic for cutter, not yet there is perfect technology and standard in 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
To transmitance of the cutter to different monodisperse particles, the algorithm of calculating is shown below：
In formula, P is the transmitance of aerosol, 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.
It is fitted by fluorimetry by obtained aerosol transmitance is calculated with grain size curve, 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, and time of measuring is long.
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 includes the first switching valve, for the on-line measurement device measured to air-flow and control
Module, the first switching valve is 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 cutter and on-line measurement device is connected.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, introduces aerosol on-line measurement system, and the first switching valve is controlled by aerosol current divider and online survey 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, obtains measured value in real time, and the apparatus of system of the invention simplifies, even
Connect simple, compact conformation inputs switching signal by operation interface and controls the first switching valve, 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 is 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 is exported according to control module is switched 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 by first switching valve and the delivery outlet company of cutter
The input port connect is connected 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 are exported
The delivery outlet of mouth and the connection of on-line measurement device, the concentration of on-line measurement measurement device upstream aerosol and granularity or cutter
With the connection of 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 is 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, and generation regulation control signal is exported to flow control system,
Flow control system is controlled to adjust the flow of 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 and gas of the first upstream aerosol and the first downstream aerosol 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, without human hand operation, simple and fast.
In some embodiments, wherein, flow control system include be sequentially connected the second switching valve, Flow-rate adjustment dress
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 is exported according to control module
Regulation control signal adjust air-flow flow；The switch-over control signal of control module generation is also exported to the second switching simultaneously
Valve, the second switching valve is connected the second upstream aerosol delivery outlet and flow regulator according to switch-over control signal or by second
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 regulation 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 adjusting 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 is exported 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, is switched with switch-over control signal control second
The second switch controller of valve realizes the second upstream aerosol and the connection of on-line measurement device or the second downstream aerosol and 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 include 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, 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 of extension 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 is 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, measure convenient and swift, simultaneously as control
The writing function of molding block solves the defect that measurement data can not trace to the source.
Enter according to another aspect of the present invention there is provided a kind of system of the cutting efficiency using quick measurement sampler
The method that row is quickly measured, including：Pass sequentially through gas-drying apparatus, electrostatic charge neutralization, aerosol current divider and cutter external
The monodispersed standard PSL aerosols of portion's input are dried, electrostatic is neutralized, shunted 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 connects, on-line measurement is carried out to the upstream aerosol of generation or by cutter and the connection of on-line measurement device, 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 need not accurately measure the quality of upstream aerosol and downstream aerosol, and directly measure 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
Aerosol concentration and corresponding can obtain the transmitance of cutter --- grain size curve, 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 progress on-line measurement while, to the upstream aerosol in measurement
Or the step of downstream aerosol progress Flow-rate adjustment, the step includes：Upstream aerosol and downstream aerosol to generation are carried out
Second diffluence, splits into the first upstream aerosol and the second upstream aerosol by 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 generated according to switching signal 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
Exported according to Regulate signal generation regulation control signal to flow regulator；Flow regulator is according to regulation 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, by control module generation switching control
Signal processed and regulation control signal, control the second switching valve to carry out cutting for the second upstream and downstream aerosol by switch-over control signal
Change and by adjusting regulation of the control signal to the second upstream aerosol or the second downstream aerosol concentration, it is simple and quick.
In some embodiments, wherein, be additionally included in progress Flow-rate adjustment before, to the second upstream aerosol or second
The step of downstream aerosol carries out gas purification, 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, the gas progress Flow-rate adjustment to purification can avoid flow regulator
It is contaminated, keep the measurement accuracy of flow regulator and the service life of extension 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 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 quickly measured for the system of the cutting efficiency by quickly measuring sampler of an embodiment of the present invention
Method workflow diagram；
Fig. 7 is quickly surveyed for the system of the cutting efficiency by quickly measuring sampler of another embodiment of the invention
The workflow diagram of the method for amount；
Fig. 8 is quickly surveyed for the system of the cutting efficiency by quickly measuring sampler of a further embodiment of this invention
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 show 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
Delivery outlet and the second splitting streams delivery outlet are flowed, the input port of the second splitting streams delivery outlet and cutter 4 is 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 and on-line measurement device 52 of the first switching valve 51
Input port connection.In addition, the first switching valve 51 is additionally coupled to control module 53 (such as by electric connection mode).Wherein, cut
The preferred cyclone type of cutter 4 or impact granule thing cutter, are detachably connected and are 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 aerosol sources of the gas are sequentially passed through in gas-drying apparatus 1 is dried, electrostatic is neutralized
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), (passed through for downstream aerosol by what the second splitting streams delivery outlet was exported without cutter 4 for upstream aerosol
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 is connected with delivery outlet, i.e., connect 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 is measured, it 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 that
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 and corresponding particle diameter of 52 real-time online measuring upstream aerosols；When the switching to be switched to downstream aerosol of input
Signal, control module 53 generates switch-over control signal according to the switching signal of input and exported to the first switching valve 51, passes 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 and corresponding particle diameter of the real-time online measuring downstream aerosol of line measurement apparatus 52.For example, control module 53 is by clicking on
Switching push button in control interface receives the switching signal of user's input, and generates electric signal to control first according to switching signal
Switching valve 51 is switched 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.It is preferred that, 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 in the first switching valve 51 setting first switch controller, 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 in the first switching valve 51 increasing a small-sized controller, and setting is 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, 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
Connect simple while the component devices of sample device, the accurate mass without measuring each gas circuit particulate by cutter 4,
But the concentration and corresponding particle diameter of upstream aerosol and downstream aerosol are measured respectively, eliminate the collection of measurement particle
Journey, time of measuring is short.The concentration and corresponding particle diameter of upstream and downstream aerosol are measured by the measuring system of the embodiment of the present invention
Afterwards, the transmitance for obtaining 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 measurement three times, No. three meters
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
Carried out curve fitting with corresponding standard particle particle diameter and obtain transmitance --- 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 of times (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, calculate what is obtained 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 with corresponding aerosol air aerodynamic particle size and obtains transmitance --- 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 simplify apparatus, connect simple, compact conformation, operation
Simply.
It is preferred that, as shown in Fig. 3 to 5, the system of the cutting efficiency of quick measurement sampler may be arranged as including stream
Measure regulating system 6.
In the embodiment for being provided with 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 the first upstream aerosol of output 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 the first downstream aerosol of output 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 aerosol sources of the gas that portion is passed through any flow are sequentially passed through in the gas-drying apparatus 1 and the electrostatic
With after device 2 by the aerosol current divider 3 points be shunting I and shunting II, I point of shunting is on the first upstream aerosol and second
Faint breath colloidal sol, shunting II is 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, the switch-over control signal that control module 53 is generated 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 and corresponding particle diameter of the first upstream of the real-time online measuring aerosol of on-line measurement device 52；When in control
During input Regulate signal in interface processed, the generation regulation control signal of control module 53 is exported to flow control system 6, to control flow
The flow of 6 pair of second upstream aerosol of regulating system is adjusted, and 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 that, 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 is generated 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
Generation regulation control signal is exported to flow control system 6, to control flow control system 6 to adjust the stream of the second downstream aerosol
Amount, makes the flow of the first downstream aerosol and the measurement stream of on-line measurement device 52 by the flow for adjusting the second downstream aerosol
Amount is consistent, so that, 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 are gone out by the measurement of on-line measurement device 52 heel row
Portion.
It is preferred that, 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 (such as by electricity with the second switching valve 61 and flow regulator 63 respectively
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
It can realize that for example flow regulator 63 can be with selection standard stream from the product of the prior art with corresponding function
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, the generation switch-over control signal of control module 53 is same
When export to the first switching valve 51 and the second switching valve 61, to 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 and corresponding particle diameter of one upstream aerosol.Meanwhile, when in use, user can also be as desired by control module 53
Control interface input Regulate signal (for example can be realized or be realized by input module by the button of Flow-rate adjustment).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 regulation control signal control flow regulator 63 that molding block 53 is generated 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 that control module 53 is generated
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 and corresponding particle diameter of the first downstream of the real-time online measuring aerosol of on-line measurement device 52.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 regulation 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 that, 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.
It is preferred that, as shown in figure 5, flow control system 6 also include 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 discharges outside after Flow-rate adjustment regulation flow by pump 64.
It is preferred that, aerosol on-line measurement system 5 is connected by data wire with outside record and computing device, is preferably existed
Set data transmission interface to be used to be connected with outside record 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 realizes record and calculated that such as control module 53 is to include the device of computer and software program, control module 53
Software program is disposed on computers, and including in its software program realizes the program of data record and analysis computing function
Unit, and on-line measurement device 52 is directly connected by data transmission interface with deploying the computer of control module 53, is realized
With the communication and data interaction of control module 53.
Fig. 6 is schematically showed 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 destaticed will be gone to be shunted by aerosol current divider 3, be 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, so that realizing makes corresponding input
Mouth is connected with delivery outlet, and upstream aerosol is exported or downstream aerosol is exported.
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 and corresponding particle diameter of upstream aerosol and downstream aerosol, 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 and corresponding particle diameter of the particle of the real-time online measuring upstream aerosol of on-line measurement device 52 or downstream aerosol, without
The collection of particle is carried out, the measurement of eight kinds of particles can be completed within 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 that upstream aerosol is connected or lower faint breath with on-line measurement device 52
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.
It is preferred that, 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, is led to
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 regulation control signal output, wherein switch-over control signal are exported to the first switching valve 51 and the second switching valve simultaneously
61, regulation control signal is then exported to flow regulator 63.Switch-over control signal and regulation control signal can be for example 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 second and switched, 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 regulation control signal
Glue carries out Flow-rate adjustment.Flow regulator 63 is adjusted according to regulation control signal, for example, can be that control module 53 is given birth to
Into regulation control signal include flow velocity, flow regulator 63 is received after regulation control signal, according to flow control the
The flow of two upstream aerosols or the second downstream aerosol, such as, by the actuating speed of 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, respectively obtains the concentration and corresponding particle diameter of the first upstream aerosol and the first downstream aerosol,
And the concentration value measured is transferred to the outside of measurement apparatus by data wire.
By the second switching valve 61 by wherein one tributary the second upstream aerosol of upstream aerosol and flow regulator
63 connect or connect wherein one tributary the second downstream aerosol of 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 that,
Line measurement apparatus 52 can measure the concentration and corresponding particle diameter of the source of the gas of the different flow of cutter cuts.It is defeated in control interface
Enter switching signal and Regulate signal, switch-over control signal and regulation 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 regulation 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 to connect the first upstream aerosol and on-line measurement device 52
Lead to or connect the first downstream aerosol and 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.The gas circuit of switching and the stream of regulation are inputted in control interface
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 artificial control.
It is preferred that, as shown in figure 8, this method is additionally included in before progress 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 is respectively through gas purification
Device 62 is purified.
Step S303：The second upstream aerosol and the second downstream aerosol by purification is respectively through flow regulator
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 is polluted by particle in gas circuit, extends the service life of flow regulator 63.
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 (10)
1. quickly measurement sampler cutting efficiency system, it is characterised in that including be sequentially connected gas-drying apparatus (1),
Electrostatic charge neutralization (2), aerosol current divider (3) and cutter (4), wherein, in addition to aerosol on-line measurement system (5), institute
Stating aerosol on-line measurement system (5) includes the first switching valve (51), the 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), online
Measurement apparatus (52) and control module (53) connection；
The control module (53) is arranged to the switching signal according to outside input, and generation switch-over control signal is exported to described the
One switching valve (51), controls first switching valve (51) by the aerosol current divider (3) and the on-line measurement device
(52) connect or connect the cutter (4) and the on-line measurement device (52).
2. the system of the cutting efficiency of quick measurement sampler according to claim 1, it is characterised in that the aerosol
Current divider (3) is arranged to include the first splitting streams delivery outlet and the second splitting streams delivery outlet, and first splitting streams are defeated
Outlet is connected with one of input port of first switching valve (51), the second splitting streams delivery outlet and the cutting
The input port connection of device (4), the delivery outlet of the cutter (4) is connected with another input port of first switching valve (51),
The delivery outlet of first switching valve (51) is connected with the on-line measurement device (52)；
Wherein, first switch controller is included in first switching valve (51), the first switch controller is according to described
The switch-over control signal of control module (53) output is switched over, by first switching valve (51) and the described first shunting gas
The input port of stream delivery outlet connection is connected with the delivery outlet of first switching valve (51) or by first switching valve (51)
The input port being connected with the delivery outlet of the cutter (4) connected with the delivery outlet of first switching valve (51).
3. the system of the cutting efficiency of quick measurement sampler according to claim 2, it is characterised in that the system is also
Including flow control system (6), the first splitting streams delivery outlet is arranged to include the first upstream aerosol delivery outlet and
Two upstream aerosol delivery outlets, the delivery outlet of the cutter (4) is arranged to include the first downstream aerosol delivery outlet and second
Downstream aerosol delivery outlet, the first upstream aerosol delivery outlet and one of input port of first switching valve (51)
Connection, the first downstream aerosol delivery outlet is connected with another input port of first switching valve (51), on described second
Faint breath colloidal sol delivery outlet and the second downstream aerosol delivery outlet are connected with the flow control system (6), the Flow-rate adjustment
System (6) is also connected with the control module (53)；
Wherein, the control module (53) is also configured to the Regulate signal according to outside input, generation regulation control signal output
To the flow control system (6), the flow control system (6) is controlled to adjust the flow of air-flow.
4. 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) includes the second switching valve (61), flow regulator (63) and the pump (64) being sequentially connected, wherein, described second
The input port of upstream aerosol delivery outlet and the second downstream aerosol delivery outlet with second switching valve (61) is connected, described
Second switching valve (61) and flow regulator (63) are connected with the control module (53) respectively, the flow regulator
(63) the regulation control signal exported according to the control module (53) adjusts the flow of air-flow；
The switch-over control signal of control module (53) generation is also exported to second switching valve (61), described second simultaneously
Switching valve (61) is according to the switch-over control signal by the second upstream aerosol delivery outlet and the flow regulator
(63) connect or connect the second downstream aerosol delivery outlet and the flow regulator (63).
5. the system of the cutting efficiency of quick measurement sampler according to claim 4, wherein, second switching valve
(61) it is connected to by its delivery outlet in the flow regulator (63), second switching valve (61) and includes second switch
Controller, the switch-over control signal that the second switch controller is exported according to the control module (53) is switched over, by institute
State the input port being connected with the second upstream aerosol delivery outlet of the second switching valve (61) and second switching valve (61)
Delivery outlet connection or by the input port being connected with the second downstream aerosol delivery outlet of second switching valve (61)
Connected with the delivery outlet of second switching valve (61).
6. the system of the cutting efficiency of quick measurement sampler according to claim 5, 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)
With flow regulator (63) connection, the air-flow of the second switching valve (61) output is received, is exported after being purified to described
Flow regulator (63).
7. the system of the cutting efficiency of the quick measurement sampler according to claim 1 to 6 any one, its feature exists
In the control module (53) is also configured to include the program unit with data record and computing function, the on-line measurement
Device (52) is connected by data wire with the control module (53), to carry out data transmission.
8. the method quickly measured using the Fast measurement system described in claim 1, including：
Gas-drying apparatus (1), electrostatic charge neutralization (2), aerosol current divider (3) and cutter (4) are passed sequentially through to outside input
Monodispersed standard PSL aerosols be dried, electrostatic is neutralized, shunting and cutting process, generation upstream aerosol and downstream
Aerosol；
The switching signal of outside input is obtained by control module (53), and switch-over control signal is generated according to the switching signal
Export to the first switching valve (51)；
First switching valve (51) switches over control according to switch-over control signal, by the aerosol current divider (3) with
Line measurement apparatus (52) connects, on-line measurement is carried out to the upstream aerosol of generation or by the cutter (4) with it is described online
Measurement apparatus (52) is connected, the downstream aerosol progress on-line measurement to generation.
9. the method that Fast measurement system according to claim 8 is quickly measured, it is characterised in that be additionally included in into
While row on-line measurement, the step of Flow-rate adjustment is carried out to the upstream aerosol in measurement or downstream aerosol, the step bag
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 first downstream aerosol and the second downstream aerosol are split into by the 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)；
The switching signal of outside input is obtained by the control module (53), and switching control is generated according to the switching signal
Signal is exported to the first switching valve (51) and the second switching valve (61) simultaneously；
First switching valve (51) and the second switching valve (61) synchronize switching control according to switch-over control signal, by first
Upstream aerosol exports to the on-line measurement device (52) and exports the second upstream aerosol to flow regulator (63)
Or the first downstream aerosol is exported to the on-line measurement device (52), exports the second downstream aerosol to Flow-rate adjustment dress
Put (63)；
The control module (53) obtains the Regulate signal of outside input, and according to Regulate signal generation regulation control signal
Export to the flow regulator (63)；
The flow regulator (63) adjusts the second upstream aerosol according to the regulation control signal or second time faint breath is molten
The flow of glue.
10. the method that Fast measurement system according to claim 9 is quickly measured, it is characterised in that be additionally included in
Before progress Flow-rate adjustment, the step of gas purification is carried out to second upstream aerosol or the second downstream aerosol, the step
Suddenly include：
The the second upstream aerosol or second time faint breath that gas cleaning plant (62) receives the second switching valve (61) output are molten
Glue, and purified treatment is carried out, and the second upstream aerosol or the second downstream aerosol after purification are exported to flow tune
Regulating device (63).
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