CN206362956U - A kind of eddy correlation flux observation system - Google Patents
A kind of eddy correlation flux observation system Download PDFInfo
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- CN206362956U CN206362956U CN201720016044.2U CN201720016044U CN206362956U CN 206362956 U CN206362956 U CN 206362956U CN 201720016044 U CN201720016044 U CN 201720016044U CN 206362956 U CN206362956 U CN 206362956U
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- ultrasound emission
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- servomotor
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Abstract
A kind of eddy correlation flux observation system, including main frame, and it is divided into the ultrasound emission unit and ultrasonic receiving unit of main frame upper and lower, ultrasound emission unit and ultrasonic receiving unit have the support arm of three umbrella distributions respectively, ultrasound emission unit, the support arm end of ultrasonic receiving unit are respectively equipped with the ultrasonic launching head for the cooperation that intersects, ultrasonic reception head, ultrasonic launching head, ultrasonic reception head are electrically connected with main frame, ultrasound emission unit, which is provided with, is used for the upper servomotor around its axis rotation, and upper servomotor is electrically connected with main frame.When System self-test or Initialize installation, pass through the matched signal of Host Detection ultrasonic launching head, ultrasonic reception head, and drive servomotor to carry out rotation fine setting to the cooperation orientation of ultrasound emission unit, ultrasonic reception unit according to the signal intensity of feedback, until obtaining optimal feedback signal strength, the sound path Self-regulation track of observation system is realized, the validity of measurement data is improved.
Description
Technical field
The utility model is related to weather monitoring technical field, refers specifically to a kind of eddy correlation flux observation system.
Background technology
Whirling motion observation system, using Eddy covariance principle, is a kind of measuring method of micrometeorology, can measure energy
Flux (sensible heat flux, latent heat flux, momentum flux) and species flux (CO2/H2O/CH4/N2) and some aerodynamics O
Parameter etc., is mainly used in numerous necks such as the material budgets such as boundary layer theory research, Atmospheric Diffusion, energy budget research, moisture
Domain.
Provided with the three-dimensional nonopiate acoustic matrix of omnidirectional more than whirling motion observation system, including located at top first, the 3rd and the 5th pair
To sensor, in addition to the second, the 4th and the 6th bilateral transducer located at lower section, the first, the 3rd and the 5th bilateral transducer
Coordinate with the second, the 4th and the 6th bilateral transducer and form three sound paths respectively.
Measurement data depends primarily on the transmitting of ultrasonic signal on three sound paths, reception, processing, analog-to-digital conversion, therefore sound
The adjustment of journey is quite important, and improperly sound path setting will cause to measure misalignment.
Utility model content
The utility model in order to make up prior art it is above-mentioned deficiency there is provided a kind of eddy correlation flux observation system,
Concrete scheme is as follows.
A kind of eddy correlation flux observation system, including main frame, and it is divided into the ultrasound emission unit of main frame upper and lower
With ultrasonic receiving unit, ultrasound emission unit and ultrasonic receiving unit have the support arm that three umbrellas are distributed, ultrasound hair respectively
Penetrate unit, the support arm end of ultrasonic receiving unit and be respectively equipped with the ultrasonic launching head for the cooperation that intersects, ultrasonic reception head, surpass
Sound emission head, ultrasonic reception head are electrically connected with main frame, and ultrasound emission unit, which is provided with, is used for the upper servomotor around its axis rotation,
Upper servomotor is electrically connected with main frame.
Compared with prior art, the beneficial effects of the utility model are：When System self-test or Initialize installation, pass through
The matched signal of Host Detection ultrasonic launching head, ultrasonic reception head, and servomotor is driven to super according to the signal intensity of feedback
Sound emission unit, the cooperation orientation of ultrasonic reception unit carry out rotation fine setting, until obtaining optimal feedback signal strength, realize
The sound path Self-regulation track of observation system, improves the validity of measurement data.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in figure 1, a kind of eddy correlation flux observation system, including main frame 1, and it is divided into main frame upper and lower
Ultrasound emission unit 2 and ultrasonic receiving unit 3, ultrasound emission unit 2 and ultrasonic receiving unit 3 have three umbrella distributions respectively
Support arm 4, ultrasound emission unit 2, the end of support arm 4 of ultrasonic receiving unit 3 are respectively equipped with the ultrasound for the cooperation that intersects
Emitting head 5, ultrasonic reception first 6, ultrasonic launching head 5, ultrasonic reception first 6 is electrically connected with main frame 1, and ultrasound emission unit 2 is provided with use
In the upper servomotor 21 around its axis rotation, upper servomotor 21 is electrically connected with main frame 1.
When System self-test or Initialize installation, servomotor is micro- to the progress rotation of ultrasound emission unit in host computer control
Adjust, and detect ultrasonic launching head, the Signal Matching intensity of ultrasonic reception head before and after fine setting, judge more preferably to be fed back with this
The adjustment direction of signal intensity, then servomotor carries out rotation fine setting to ultrasound emission unit on secondary control again, until obtaining
Optimal Signal Matching intensity.
Above-mentioned technical proposal is by the matched signal of Host Detection ultrasonic launching head, ultrasonic reception head, and according to feedback
Signal intensity drives servomotor to carry out rotation fine setting to the cooperation orientation of ultrasound emission unit, ultrasonic reception unit, until obtaining
Feedback signal strength most preferably is obtained, the sound path Self-regulation track of observation system is realized, improves the validity of measurement data.
Preferably, cabin 7 is detected in the top of main frame 1 by a support 11 provided with upper gas, upper servomotor 6 is fixed on gas
Detect on cabin 7.Detect that cabin can measure carbon dioxide, ozone and water vapor concentration, air themperature and air by upper gas
Pressure, enhances the comprehensive detection ability of system.
Preferably, ultrasonic reception unit 3 also is provided with for the lower servomotor 31 around its axis rotation.When System self-test or
During Initialize installation, servomotor and lower servomotor carry out anti-to ultrasound emission unit and ultrasonic reception unit in host computer control
To rotation fine setting, and detect fine setting before and after ultrasonic launching head, the Signal Matching intensity of ultrasonic reception head, judge to obtain with this
More preferably feedback signal strength adjustment direction, then again on secondary control servomotor and lower servomotor to ultrasound emission unit
Rotation fine setting is carried out with ultrasonic reception unit, until obtaining optimal Signal Matching intensity.
Preferably, cabin 8 is detected in the lower section of main frame 1 by another support 12 provided with lower gas, lower servomotor 31 is fixed on down
On gas detection cabin 8.Detect that cabin can also measure carbon dioxide, ozone and water vapor concentration, air themperature by lower gas
And atmospheric pressure, its measurement result and upper gas are detected that the measurement result in cabin is compared and computing, having for data can be improved
Effect property.
For those skilled in the art, structure and principle that can be according to disclosed in the utility model obtain other each
It is kind corresponding to change and deform, and all these change and deformation belongs to protection category of the present utility model.
Claims (4)
1. a kind of eddy correlation flux observation system, including main frame, and be divided into main frame upper and lower ultrasound emission unit and
Ultrasonic receiving unit, ultrasound emission unit and ultrasonic receiving unit have the support arm of three umbrella distributions, ultrasound emission respectively
Unit, the support arm end of ultrasonic receiving unit are respectively equipped with the ultrasonic launching head for the cooperation that intersects, ultrasonic reception head, ultrasound
Emitting head, ultrasonic reception head are electrically connected with main frame, it is characterised in that：Ultrasound emission unit, which is provided with, to be used for around its axis rotation
Servomotor, upper servomotor is electrically connected with main frame.
2. a kind of eddy correlation flux observation system according to claim 1, it is characterised in that：Pass through one above main frame
Erection has upper gas detection cabin, and upper servomotor is fixed on gas detection cabin.
3. a kind of eddy correlation flux observation system according to claim 1, it is characterised in that：Ultrasonic reception unit is also set
Have for the lower servomotor around its axis rotation.
4. a kind of eddy correlation flux observation system according to claim 3, it is characterised in that：By another below main frame
Support detects cabin provided with lower gas, and lower servomotor is fixed on lower gas detection cabin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720016044.2U CN206362956U (en) | 2017-01-06 | 2017-01-06 | A kind of eddy correlation flux observation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720016044.2U CN206362956U (en) | 2017-01-06 | 2017-01-06 | A kind of eddy correlation flux observation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206362956U true CN206362956U (en) | 2017-07-28 |
Family
ID=59379614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720016044.2U Active CN206362956U (en) | 2017-01-06 | 2017-01-06 | A kind of eddy correlation flux observation system |
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| CN (1) | CN206362956U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031468A (en) * | 2018-07-27 | 2018-12-18 | 中国科学院大气物理研究所 | Synchro measure N2O、CH4And CO2The eddy correlation subtraction unit of flux |
| CN112710621A (en) * | 2020-11-30 | 2021-04-27 | 孟祥玉 | Vortex motion correlator |
-
2017
- 2017-01-06 CN CN201720016044.2U patent/CN206362956U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109031468A (en) * | 2018-07-27 | 2018-12-18 | 中国科学院大气物理研究所 | Synchro measure N2O、CH4And CO2The eddy correlation subtraction unit of flux |
| CN112710621A (en) * | 2020-11-30 | 2021-04-27 | 孟祥玉 | Vortex motion correlator |
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