CN207007699U - A kind of vertical demixing air multispectral survey device - Google Patents
A kind of vertical demixing air multispectral survey device Download PDFInfo
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- CN207007699U CN207007699U CN201720377655.XU CN201720377655U CN207007699U CN 207007699 U CN207007699 U CN 207007699U CN 201720377655 U CN201720377655 U CN 201720377655U CN 207007699 U CN207007699 U CN 207007699U
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- vertical demixing
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Abstract
The utility model discloses a kind of vertical demixing air multispectral survey device, described device unit includes atmospheric environment simulation system, spectral measurement system and atmospheric environment control system.Vertical demixing air multispectral survey device described in the utility model, can the multiple parameters such as accurate simulation atmospheric temperature, humidity, pressure, aerosol concentration.Multiple experimental provisions are used in series and build different experimental situations in the atmospheric environment simulation system of each device, can measure spectral characteristic of the light by vertical demixing air.Vertical demixing air multispectral survey device described in the utility model, adds light path using the method for multiple mirror-reflection, makes the attenuation of light beam be easy to measure.Vertical demixing air multispectral survey device described in the utility model, energy attenuation when light is accurately measured by two sealing glass layers by the way of movable glass block, so as to obtain more accurately atmospheric optical properties measurement result.
Description
Technical field
The utility model belongs to atmospheric optical properties research field, is related to a kind of spectral measurement methodses, is specially a kind of hang down
Straight stratified atmosphere multispectral survey device.
Background technology
Experimental provision currently used for air multispectral survey diffuses technology using filter-type more, and the technology passes through pumping side
Method makes the particulate in air be adsorbed on the filter membrane in filter, directly proportional using the decay of light and the deposition of particle
Property, compare the strong and weak absorbability for changing, aerosol being determined with this of the light and reference light through aerosol filtration film.
The limitation of this method is：Particulate is adsorbed on the filter membrane in filter, and light path is too short (generally in filter
Less than 0.3 meter), particulate is in non-natural suspended state, cause the mutual optical effect of deposited particles to increase,
It is different from the time plus filter form and the pumping intensity for obtaining particle deposition, the dispersed larger of measurement result can be caused,
Precision is not high.
Another direct measuring method, which is taken, tubular diffuses device.The device is seal device, is ensured natural in particulate
Transmittance is measured under suspended state, both ends are sealed with high transparency material, reserve illumination, luminance spectral instrument connection.Device have every
Hot and non-light transmittance, diffuse and leave temperature and humidity test hole above body, aerosol is filled with mouth and is air-dried mouth.Test process
In, position change can not all be occurred by diffusing device, measuring instrument, light source.The generation of aerosol in device is diffused using change humidity
The method being combined with temperature, humidifier change humidity size, airconditioning control temperature, visibility integrated portable energy in pipe
Degree of opinion detector is tested, and visibility should test out illumination under corresponding visibility, brightness respectively in five level ranges
And spatial distribution.The device is to measure its absorbing amount under particulate nature suspended state, so as to eliminate particulate in mistake
Mutual optical effect caused by depositing and assemble on filter membrane influences.This device is compared with former approach, it is possible to increase light beam
Optical path length, reduce the mutual optical effect of particle, make the total attenuation coefficient of light be easy to measure.Attenuation coefficient is measured respectively and is dissipated
Coefficient is penetrated, subtracts each other the coefficient that can be absorbed with two coefficients.Meanwhile increase optical mirror slip in pipe, enter with mirror-reflection method
The multiple mirror-reflection of row, increase the optical path length of light beam, reduce the mutual optical effect of particle, be easy to the total attenuation coefficient of light
Measurement.But the device still comes with some shortcomings：It is that tube length is longer first, single tube tube length is 6.2m, and multitube is connected
Up to 24.8m, cause higher to experimental site requirement.Secondly, because body volume is larger, epidemic disaster control time is longer, and gas is molten
The micelle even dispersion used time is also longer.When multitube is used in series, longer optical path is only capable of, pipe vivo environment is constant, it is impossible to mould
Intend the environmental quality of SEQUENCING VERTICAL layering.Do not possess air pressure adjustment ability in body.Most of all, system can not eliminate body
The interference that both ends seal glass is brought because being polluted by internal particulate to optical signal, in aerosol particle concentration and ring
In the case that border humidity is higher, the influence to measurement is especially prominent.
The content of the invention
The technical problem of solution：The defects of in order to overcome prior art, it is big to solve current direct measurement device volume, air pressure
Uncontrollable, temperature range is limited, can not carry out stratified atmosphere experiment, it is impossible to the problems such as eliminating minute surface pollution interference, this practicality
It is new to use direct measuring, with reference to temperature, pressure, wet and aerosol particle concentration observation and control technology and spectral analysis technique, if
Vertical demixing air multispectral survey experimental provision is counted, discloses the combination that a kind of experimental situation is controllable, is used suitable for laboratory
Formula stratified atmosphere multispectral survey device.
Technical scheme：A kind of vertical demixing air multispectral survey device, described device unit are simulated including atmospheric environment
System, spectral measurement system and atmospheric environment control system；The atmospheric environment simulation system is wrapped up by thermostat layer, and by close
Envelope glass is divided into the vacuum chamber at both ends and middle diffuses room, is diffused interior and is provided with two leading screws, leading screw and sealing glass
Glass is fixedly connected, and leading screw is provided with motor, is provided with connecting rod between two leading screws, and in installing movable glass in connecting rod
Block；The spectral measurement system includes reflective mirror, light source, spectrum analysis probe and receiving terminal, reflective mirror and is uniformly distributed in vacuum
The both ends of room, light source and receiving terminal are respectively arranged on the both ends of vacuum chamber, and spectrum analysis probe is on movable glass block；Wherein with
The vacuum chamber that light source connects one end is respectively equipped with light entrance aperture and light hole from top to bottom, and the vacuum of one end is connected with receiving terminal
Room is provided with beam projecting hole；The atmospheric environment control system includes the temperature controller of each self-forming closed loop configuration, temperature
Sensor, humidity generator, humidity sensor, particle generator, pressure sensor, wherein temperature controller pass through pipeline and perseverance
Warm layer connection, humidity generator and particle generator are connected by pipeline with diffusing room respectively, and control is equipped with every pipeline
Valve, particle generator are provided with compression pump.
Preferably, described device unit is at least 1.Multiple experimental provisions can be linked together, in each dress
The different experimental situation of structure, thus can measure light and pass through the light after vertical demixing air in the atmospheric environment simulation system put
Spectral property.The light source and receiving terminal of spectral measurement system are respectively arranged in the both ends of atmospheric environment simulation system, when multiple simulations
When case is used in series, then it is installed on after series connection at first case and the light entrance port of last case and receiving port.The control and reception of light source
Signal analysis is completed by detection and control terminal.
Preferably, the temperature controller includes electric heater and refrigeration unit, and temperature control medium is water.Temperature controller leads to
Cross circulation line to connect with thermostat layer, control valve is used for the circulation rate of regulating system；Temperature sensor diffuses room for measurement
Temperature and measurement result is sent to detection and control terminal, so as to realize the closed-loop control of temperature.The temperature sensor is from high
Precision platinum resistance temperature sensor.
The humidity control system forms control loop by humidity generator, humidity sensor, and it is wet that realization diffuses room environmental
The regulation of degree.The humidity sensor selects high-precision Humidity-Sensitive Capacitance Sensor.
The particle generator and compression pump are connected by pipeline with diffusing room, make gas circulating flow, and realization diffuses room
The regulation of particle concentration and pressure.
The working condition of the atmospheric environment control system is controlled by detection and control terminal, will be big using closed loop feedback control mode
The parameter regulations such as the humiture in gas environmental simulation system are to desired value.
The rounded both ends for being uniformly distributed in vacuum chamber of the reflective mirror, by the installation site light for adjusting reflective mirror
Line can carry out multiple line reflection in atmospheric environment simulation system.
Preferably, the thermostat layer is cylindrical.
Preferably, the seal glass is identical with the thickness and material of movable glass block.
Preferably, the reflective mirror is centrosymmetric.
The workflow of the vertical demixing air multispectral survey experimental provision is as follows：Reached when diffusing room atmosphere state
To after condition needed for experiment, energy loss when light passes through air is measured first.Light entrance aperture of the light from upside is incident,
Receiving terminal is reached after reflective mirror multiple reflections, can now measure optical attenuation and spectral characteristic.The next section of soft exchange will be emitted to survey
Device is measured, thus can simulate transmission characteristic of the light extraction in vertical demixing air.After above-mentioned measurement process terminates, in big compression ring
In the state of border keeps constant, attenuation of the light by two sealing glass layers is measured.Micro-machine drives leading screw to rotate, and makes shifting
Dynamic glass blocks is close to left side seal glass, because gap is smaller between the two, because light loss caused by atmospheric environment can neglect between gap
Slightly disregard.Circle centre position of the light through left side seal glass is incident, is popped one's head in through spectrum analysis is reached after movable glass block, measurable
Go out light to be lost by the light energy of layer glass.
Beneficial effect：(1) vertical demixing air multispectral survey device described in the utility model, can accurate simulation air
The multiple parameters such as temperature, humidity, pressure, aerosol concentration.Multiple experimental provisions are used in series and in the air of each device
The different experimental situation of structure, can measure spectral characteristic of the light by vertical demixing air in environmental simulation system.(2) this reality
With new described vertical demixing air multispectral survey device, light path is added using the method for multiple mirror-reflection, makes light
The attenuation of beam is easy to measure.(3) vertical demixing air multispectral survey device described in the utility model, using movable glass
The mode of block accurately measures light by energy attenuation during two sealing glass layers, special so as to obtain more accurately atmospheric optics
Property measurement result.
Brief description of the drawings
Fig. 1 is vertical demixing air multispectral survey apparatus structure schematic diagram；
Wherein, 1 is reflective mirror, and 2 be light source, and 3 be vacuum chamber, and 4 be temperature sensor, and 5 be thermostat layer, and 6 be leading screw, and 7 are
Pressure sensor, 8 is diffuse room, and 9 be humidity sensor, and 10 be that spectrum analysis is popped one's head in, and 11 be receiving terminal, and 12 be temperature control
Device, 13 be humidity generator, and 14 be particle generator, and 15 be compression pump, and 16 be control valve, and 17 be seal glass, and 18 be small-sized
Motor, 19 be movable glass block, and 20 be light entrance aperture, and 21 be beam projecting hole, and 22 be light hole, and 23 be connecting rod；
Fig. 2 is the vertical demixing air multispectral survey apparatus structure schematic diagram of plural serial stage；
Fig. 3 is vertical demixing air multispectral survey working state of device schematic diagram；
Fig. 4 is reflective mirror mounting means schematic diagram；
Fig. 5 is light path principle figure between reflective mirror；
Embodiment
Following examples further illustrate present disclosure, but should not be construed as limiting the invention.Without departing substantially from
In the case of spirit and essence of the invention, the modification and replacement made to the inventive method, step or condition, the present invention is belonged to
Scope.Unless otherwise specified, the conventional meanses that technological means used in embodiment is well known to those skilled in the art.
Embodiment 1
As shown in figure 1, a kind of vertical demixing air multispectral survey device, described device unit is simulated including atmospheric environment
System, spectral measurement system and atmospheric environment control system；The atmospheric environment simulation system is wrapped up by thermostat layer 5, and is passed through
Seal glass 17 is divided into the vacuum chamber 3 at both ends and middle diffuses room 8, is diffused in room 8 and is provided with two leading screws 6, leading screw 6
It is fixedly connected with seal glass 17, and leading screw 6 is provided with motor 18, and connecting rod 23 is provided between two leading screws 6, and in connecting rod
Upper installation movable glass block 19；The spectral measurement system includes reflective mirror 1, light source 2, spectrum analysis probe 10 and receiving terminal
11, reflective mirror 1 is uniformly distributed in the both ends of vacuum chamber 3, and light source 2 and receiving terminal 11 are respectively arranged on the both ends of vacuum chamber 3, spectrum point
Analysis probe 10 is on movable glass block 19；The vacuum chamber 3 that one end is wherein connected with light source 2 is respectively equipped with light and entered from top to bottom
Perforation 20 and light hole 22, the vacuum chamber 3 that one end is connected with receiving terminal 11 are provided with beam projecting hole 21；The atmospheric environment control
System processed includes temperature controller 12, temperature sensor 4, humidity generator 13, the humidity sensor of each self-forming closed loop configuration
9th, particle generator 14, pressure sensor 7, wherein temperature controller 12 are connected by pipeline with thermostat layer 5, humidity generator 13
Connected respectively by pipeline with diffusing room 8 with particle generator 14, control valve 16, particle generator 14 are equipped with every pipeline
It is provided with compression pump 15.
The breach to match with movable glass block 19 is offered on the seal glass 17 on the right side.
The temperature controller 12 includes electric heater and refrigeration unit, and temperature control medium is water.
The thermostat layer 5 is cylindrical.
The seal glass 17 is identical with the thickness and material of movable glass block 19.
As shown in figure 4, the reflective mirror 1 is centrosymmetric；As shown in figure 5, made by the installation site for adjusting reflective mirror 1
Multiple line reflection can be carried out in atmospheric environment simulation system by obtaining light.
As shown in figure 3, the operation principle of the vertical demixing air multispectral survey device is：When diffusing room atmosphere shape
After state reaches condition needed for experiment, energy loss when light passes through air is measured first.Light entrance aperture of the light from upside
21 is incident, and receiving terminal 11 is reached after the multiple reflections of reflective mirror 1, can now measure optical attenuation and spectral characteristic.Emergent light is connect
Enter next section measurement apparatus, thus can simulate transmission characteristic of the light extraction in vertical demixing air.To the end of above-mentioned measurement process
Afterwards, in the state of atmospheric environment keeps constant, attenuation of the light by two sealing glass layers is measured.Motor 18 drives leading screw
6 rotate, and make movable glass block 19 close to left side seal glass 17, because gap is smaller between the two, because atmospheric environment is produced between gap
Raw light loss can be neglected.Circle centre position of the light through left side seal glass 17 is incident, through reaching after movable glass block 19
Spectrum analysis probe 10, it is measurable go out light be lost by the light energy of layer glass.
Embodiment 2
As shown in Fig. 2 using the vertical demixing air multispectral survey device described in embodiment 1 as a unit, three lists
Member links together, and builds different experimental situations in the atmospheric environment simulation system of each device, thus can measure light
Line passes through the spectral characteristic after vertical demixing air.The light source 2 and receiving terminal 11 of spectral measurement system are respectively arranged in big compression ring
The both ends of border simulation system, when multiple simulation boxes are used in series, then it is installed on the light entrance port of first case and last case after series connection
At receiving port.The control of light source 2 and reception signal analysis are completed by detection and control terminal.
Claims (6)
- A kind of 1. vertical demixing air multispectral survey device, it is characterised in that device unit include atmospheric environment simulation system, Spectral measurement system and atmospheric environment control system；The atmospheric environment simulation system is by thermostat layer（5）Parcel, and pass through sealing Glass（17）It is divided into the vacuum chamber at both ends（3）Room is diffused with middle（8）, diffuse room（8）Inside it is provided with two leading screws （6）, leading screw（6）With seal glass（17）It is fixedly connected, and leading screw（6）It is provided with motor（18）, two leading screws（6）Between be provided with Connecting rod（23）, and in installation movable glass block in connecting rod（19）；The spectral measurement system includes reflective mirror（1）, light source （2）, spectrum analysis probe（10）And receiving terminal（11）, reflective mirror（1）It is uniformly distributed in vacuum chamber（3）Both ends, light source（2）With Receiving terminal（11）It is respectively arranged on vacuum chamber（3）Both ends, spectrum analysis probe（10）Located at movable glass block（19）On；Wherein with Light source（2）Connect the vacuum chamber of one end（3）Light entrance aperture is respectively equipped with from top to bottom（20）And light hole（22）, with receiving terminal （11）Connect the vacuum chamber of one end（3）It is provided with beam projecting hole（21）；The atmospheric environment control system includes each self-forming The temperature controller of closed loop configuration（12）, temperature sensor（4）, humidity generator（13）, humidity sensor（9）, particle occur Device（14）, pressure sensor（7）, wherein temperature controller（12）Pass through pipeline and thermostat layer（5）Connection, humidity generator（13） And particle generator（14）Respectively by pipeline with diffusing room（8）Connect, control valve is equipped with every pipeline（16）, particle hair Raw device（14）It is provided with compression pump（15）.
- A kind of 2. vertical demixing air multispectral survey device according to claim 1, it is characterised in that described device list Member is at least 1.
- A kind of 3. vertical demixing air multispectral survey device according to claim 1, it is characterised in that the temperature control Device processed（12）Including electric heater and refrigeration unit, temperature control medium is water.
- A kind of 4. vertical demixing air multispectral survey device according to claim 1, it is characterised in that the thermostat layer （5）It is cylindrical.
- A kind of 5. vertical demixing air multispectral survey device according to claim 1, it is characterised in that the sealing glass Glass（17）With movable glass block（19）Thickness and material it is identical.
- A kind of 6. vertical demixing air multispectral survey device according to claim 1, it is characterised in that the reflective mirror （1）It is centrosymmetric.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720377655.XU CN207007699U (en) | 2017-04-12 | 2017-04-12 | A kind of vertical demixing air multispectral survey device |
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| CN201720377655.XU CN207007699U (en) | 2017-04-12 | 2017-04-12 | A kind of vertical demixing air multispectral survey device |
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| CN207007699U true CN207007699U (en) | 2018-02-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113033025A (en) * | 2021-04-25 | 2021-06-25 | 中国人民解放军91977部队 | Ocean atmospheric radiation effect simulation system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113033025A (en) * | 2021-04-25 | 2021-06-25 | 中国人民解放军91977部队 | Ocean atmospheric radiation effect simulation system and method |
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