CN106645159A - Trunk laser detector - Google Patents
Trunk laser detector Download PDFInfo
- Publication number
- CN106645159A CN106645159A CN201710173883.XA CN201710173883A CN106645159A CN 106645159 A CN106645159 A CN 106645159A CN 201710173883 A CN201710173883 A CN 201710173883A CN 106645159 A CN106645159 A CN 106645159A
- Authority
- CN
- China
- Prior art keywords
- light
- inlet pipe
- outlet pipe
- light inlet
- trunk
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
-
- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N2021/8466—Investigation of vegetal material, e.g. leaves, plants, fruits
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention provides a trunk laser detector, comprising a fixing plate, a laser generator, a photoelectric detector, a light outlet pipe and a light inlet pipe; the light outlet pipe and the light inlet pipe are vertically arranged on a front side face of the fixing plate at intervals; the length of the light outlet pipe is more than that of the light inlet pipe; a transparent clapboard is arranged in each of the light outlet pipe and the light inlet pipe, and can divide the light outlet pipe and the light inlet pipe into front and back sections; fluid discharge holes are respectively arranged on the front pipe walls of the light outlet pipe and the light inlet pipe, and fluid at the inner part of the trunk enters from front end openings of the light outlet pipe and the light inlet pipe and then flows out from the corresponding fluid discharge hole; the laser generator and the photoelectric detector are installed on the fixing plate, and the laser generator is forwards extended to the back end of the light outlet pipe, and the photoelectric detector is extended to the back end of the light inlet pipe. The device is simple in structure, convenient to operate, and high in accuracy.
Description
Technical field
It is specially a kind of for monitoring swashing for trunk inner case the present invention relates to arboreal growth condition monitoring technical field
Light detection device.
Background technology
Trunk plays a part of to convey nutrition, transmission moisture as the important part of trees.Therefore, trunk is monitored
Inside footpath flow data, and nutrient and the chlorophyll content such as nitrogen, phosphorus, potassium in trunk are obtained, for research trees life
Long, analysis ecological environment suffers from extremely important effect.
Patent CN102564962A discloses a kind of system and method for detecting nutritional components in fruit trees, and it is using visible near red
External spectrum acquiring unit scans its visible and near infrared spectrum signal of fruit tree leaf sample acquisition to be measured and is transferred at data analysis
Reason unit, while time service positioning unit is transferred to the positional information of fruit tree leaf sample to be measured and sampling time at data analysis
Reason unit；Then the nutrient content index and chlorophyll content of fruit tree leaf sample to be measured are measured；Using a most young waiter in a wineshop or an inn partially
Multiplication sets up the Mathematical Modeling of relation between the nutrient content index of the spectral signal and fruit tree leaf sample to be measured；To described
Mathematical Modeling is verified, optimized, and is loaded into data processing centre；Data processing centre receives the spectral signal and is located
Reason, according to the Mathematical Modeling nutrient and chlorophyll content of fruit tree leaf sample to be measured are obtained, and result is sent out
Data Analysis Services unit is given for showing.The patent is detected by optical detection means to Tree Blades, so as to sentence
The indices of disconnected blade, but it cannot still directly obtain the data of nutrient content in trunk.
Patent CN202599973U discloses a kind of stem sap flow and determines probe, and it is that original thermal diffusion probe is changed
Enter, including reference probe and heated probe, the reference probe include copper thermocouple wire, copper-constantan thermocouple line, thermocouple node,
Pedestal, supporting part, sensing mouth groove, aluminum casing, supporting part arranges sensing mouth groove；Copper thermocouple wire and copper-constantan thermocouple wire bonding shape
Into thermocouple node, inside insertion supporting part, and it is fixed in sensing mouth groove；Aluminum casing is socketed and is fixed on outside supporting part；
A constantan resistive heater is also set up in the supporting part of the heated probe, winding supporting part forms heating coil.Above-mentioned spy
Pin is that sap flow velocity is measured based on thermal diffusion principle, but it can not be measured to trunk inner element, and
And affected by its algorithm principle, its measurement accuracy is not high.
Patent CN202693439U discloses a kind of trunk xylem sap flow measuring apparatus, and it is also to be surveyed by thermal technology
Determine trunk sap flow.When specifically used, need girdling trunk xylem to core, water receiver be installed into incision,
Using the effect of leaf transpiration pulling force, produce current and be measured, so as to realize the automatic measurement to stem sap flow.This kind of side
Method generates the destruction of large-size to bark, also increases the working strength of researcher.
The content of the invention
For defect of the prior art, the present invention provides the high trunk of a kind of simple structure, easy to operate, precision and swashs
Light detection device.
Trunk Laser Detecting Set of the present invention, including fixed plate, laser generator, photodetector, light outlet pipe
With light inlet pipe, the smooth outlet pipe and light inlet pipe are between the upper and lower every being arranged on fixed plate leading flank, and light outlet pipe and light inlet pipe hang down
Directly in fixed plate leading flank, the length of the smooth outlet pipe is respectively equipped with one more than the length of light inlet pipe in light outlet pipe and light inlet pipe
Light outlet pipe and light inlet pipe inside division are two sections in front and back by lamina of septum pellucidum, the lamina of septum pellucidum, in the smooth outlet pipe and light inlet pipe
Leading portion tube wall on offer respectively outage, trunk internal liquid Jing light outlet pipe and light inlet pipe front opening enter and by right
The outage answered is flowed outwardly, and the laser generator and photodetector are arranged in fixed plate, and the laser generator
Light outlet pipe rear end is stretched into forward, and photodetector stretches into light inlet pipe rear end.
Preferably, it is fixed with handle housing on rear side of the fixed plate.
Preferably, signal amplifier and a/d converter, the photodetector collection are provided with the handle housing
Signal it is amplified, conversion after outwards export to computer.
Preferably, the fixed plate leading flank is provided with seal gasket.
Preferably, also including the drive end bearing bracket covered in light outlet pipe and light inlet pipe.
As shown from the above technical solution, the present invention obtains trunk data using optical principle, easy to operate, device insertion tree
Dry internal, disturbing factor is little, and measurement is accurate.
Description of the drawings
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to concrete
The accompanying drawing to be used needed for embodiment or description of the prior art is briefly described.In all of the figs, similar element
Or part is typically identified by similar reference.In accompanying drawing, each element or part might not draw according to actual ratio.
Fig. 1 is the surface structure schematic diagram (omission drive end bearing bracket) of this device；
Fig. 2 is the internal structure schematic diagram of this device.
Specific embodiment
The embodiment of technical solution of the present invention is described in detail below in conjunction with accompanying drawing.Following examples are only used for
Technical scheme is clearly illustrated, therefore is only used as example, and the protection model of the present invention can not be limited with this
Enclose.
Trunk Laser Detecting Set, including fixed plate as shown in Figure 1 and Figure 21, laser generator 2, photodetector 3, light
Outlet pipe 4 and light inlet pipe 5.
The smooth outlet pipe 4 and light inlet pipe 5 can such as adopt stainless steel using the high pointed tubule of alternatively non-transparent, hardness.Institute
State light outlet pipe 4 and light inlet pipe 5 between the upper and lower every being arranged on the leading flank of fixed plate 1, and light outlet pipe 4 and light inlet pipe 5 be each perpendicular to it is solid
Fixed board leading flank.The length of the smooth outlet pipe 4 makes light outlet pipe 4 further into trunk depths more than the length of light inlet pipe 5, enters with light
Pipe 4 is staggered, and reduces light and is directly entered in light inlet pipe 5, prevents " light leak " phenomenon.
It is respectively equipped with a lamina of septum pellucidum 6 in the smooth outlet pipe 4 and light inlet pipe 5, the lamina of septum pellucidum 6 is by light outlet pipe 4 and light
The inside division of inlet pipe 5 offers respectively discharge opeing two sections for before and after on the side of the smooth outlet pipe and the leading portion tube wall of light inlet pipe
Hole 7, the front opening of liquid Jing light outlet pipe and light inlet pipe inside trunk is entered and flowed outwardly by corresponding outage.
The laser generator 2 and photodetector 3 are arranged in fixed plate 1, and the laser generator is stretched into forward
Light outlet pipe rear end, photodetector stretches into light inlet pipe rear end.Handle housing 8 is fixed with rear side of the fixed plate, is easy to behaviour
The device is gripped as personnel be inwardly inserted into trunk.Signal amplifier 9 and a/d converter 10 are provided with the handle housing 8,
The signal of photodetector collection is amplified, outwards export to computer after conversion.
The leading flank of the fixed plate 1 is provided with seal gasket 11, and it plays the work of sealing trunk and device splicing position end face
With, it is to avoid trunk liquid outflow, prevent ambient from disturbing.Drive end bearing bracket is stamped in light outlet pipe and light inlet pipe (not showing in figure
Go out), playing a part of to protect light outlet pipe and light inlet pipe at ordinary times.
The working method of above-mentioned detection device is as follows：
It is adapted to light outlet pipe and light inlet pipe making a call to two duck eyes, the aperture of two duck eyes and spacing in trunk first.Take
Lower front end lid, the light outlet pipe 4 and light inlet pipe 5 of this device are inserted into two duck eyes, and ensure that device is firmly fixed to trunk
On, the laser light lamina of septum pellucidum that laser generator 2 is produced is projected forward, the liquid refracting/diffraction inside Jing light outlet pipe leading portions,
Into inside trunk, via the effect of trunk internal liquid, light is injected into light inlet pipe 5, and photodetector receives optical signal
Afterwards, outwards exported to computer after amplification conversion, finally by software discriminatory analysis trunk internal data, such as parsing tree are come
Component content of dry internal liquid etc..
Finally it should be noted that：Above example only to illustrate technical scheme, rather than a limitation；Although
The present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To modify to the technical scheme described in previous embodiment, either which part or all technical characteristic are equal to
Replace；And these modifications or replacement, do not make the model of the essence disengaging embodiment of the present invention technical scheme of appropriate technical solution
Enclose, it all should cover in the middle of the claim of the present invention and the scope of specification.
Claims (5)
1. a kind of trunk Laser Detecting Set, it is characterised in that：Including fixed plate, laser generator, photodetector, light outlet pipe
With light inlet pipe, the smooth outlet pipe and light inlet pipe are between the upper and lower every being arranged on fixed plate leading flank, and light outlet pipe and light inlet pipe hang down
Directly in fixed plate leading flank, the length of the smooth outlet pipe is respectively equipped with one more than the length of light inlet pipe in light outlet pipe and light inlet pipe
Light outlet pipe and light inlet pipe inside division are two sections in front and back by lamina of septum pellucidum, the lamina of septum pellucidum, in the smooth outlet pipe and light inlet pipe
Leading portion tube wall on offer respectively outage, trunk internal liquid Jing light outlet pipe and light inlet pipe front opening enter and by right
The outage answered is flowed outwardly, and the laser generator and photodetector are arranged in fixed plate, and the laser generator
Light outlet pipe rear end is stretched into forward, and photodetector stretches into light inlet pipe rear end.
2. trunk Laser Detecting Set according to claim 1, it is characterised in that：It is fixed with rear side of the fixed plate
Handle housing.
3. trunk Laser Detecting Set according to claim 2, it is characterised in that：Letter is provided with the handle housing
Number amplifier and a/d converter, the signal of the photodetector collection is amplified, outwards export to computer after conversion.
4. trunk Laser Detecting Set according to claim 2, it is characterised in that：The fixed plate leading flank is provided with close
Potting pad.
5. trunk Laser Detecting Set according to claim 2, it is characterised in that：Also include covering in light outlet pipe and light inlet pipe
On drive end bearing bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173883.XA CN106645159A (en) | 2017-03-22 | 2017-03-22 | Trunk laser detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710173883.XA CN106645159A (en) | 2017-03-22 | 2017-03-22 | Trunk laser detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106645159A true CN106645159A (en) | 2017-05-10 |
Family
ID=58848464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710173883.XA Pending CN106645159A (en) | 2017-03-22 | 2017-03-22 | Trunk laser detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106645159A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267643A (en) * | 2021-06-24 | 2021-08-17 | 西南大学 | Trunk liquid flow non-invasive measurement device and method suitable for plant thin stems |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096294A (en) * | 1990-03-19 | 1992-03-17 | Queen's University At Kingston | Method and apparatus for measuring oxygen concentration and its subsequent use in estimating nitrogen fixation in plants |
| US6563122B1 (en) * | 1998-10-28 | 2003-05-13 | Deutsches Zentrum Fur Luft-Und Raumfahrt E.V. | Fluorescence detection assembly for determination of significant vegetation parameters |
| US20050098713A1 (en) * | 2003-09-23 | 2005-05-12 | Kyle Holland | Light sensor with modulated radiant polychromatic source |
| CN103308561A (en) * | 2013-06-05 | 2013-09-18 | 西南大学 | Device for monitoring internal supply of trunk |
| CN104457936A (en) * | 2014-11-10 | 2015-03-25 | 江苏大学 | Potted plant growing trend dynamic detection device and detection method thereof |
| CN204807465U (en) * | 2015-07-10 | 2015-11-25 | 张丹 | Trees frostbite detection device |
-
2017
- 2017-03-22 CN CN201710173883.XA patent/CN106645159A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5096294A (en) * | 1990-03-19 | 1992-03-17 | Queen's University At Kingston | Method and apparatus for measuring oxygen concentration and its subsequent use in estimating nitrogen fixation in plants |
| US6563122B1 (en) * | 1998-10-28 | 2003-05-13 | Deutsches Zentrum Fur Luft-Und Raumfahrt E.V. | Fluorescence detection assembly for determination of significant vegetation parameters |
| US20050098713A1 (en) * | 2003-09-23 | 2005-05-12 | Kyle Holland | Light sensor with modulated radiant polychromatic source |
| CN103308561A (en) * | 2013-06-05 | 2013-09-18 | 西南大学 | Device for monitoring internal supply of trunk |
| CN104457936A (en) * | 2014-11-10 | 2015-03-25 | 江苏大学 | Potted plant growing trend dynamic detection device and detection method thereof |
| CN204807465U (en) * | 2015-07-10 | 2015-11-25 | 张丹 | Trees frostbite detection device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113267643A (en) * | 2021-06-24 | 2021-08-17 | 西南大学 | Trunk liquid flow non-invasive measurement device and method suitable for plant thin stems |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Fuchs et al. | Calibration and comparison of thermal dissipation, heat ratio and heat field deformation sap flow probes for diffuse-porous trees | |
| Vertessy et al. | Relationships between stem diameter, sapwood area, leaf area and transpiration in a young mountain ash forest | |
| US8130379B1 (en) | Gas analyzer | |
| ATE307330T1 (en) | OPTICAL FIBER BASED DEVICE FOR CAVITY RINGDOWN SPECTROSCOPY | |
| CN102519916B (en) | Method and device for on-line detecting concentration of pesticide | |
| FR2920475B1 (en) | DEVICE FOR CENTRALIZED MANAGEMENT OF MEASUREMENTS AND INFORMATION RELATING TO LIQUID AND GASEOUS FLOWS NECESSARY FOR THE OPERATION OF A THERMAL ENGINE | |
| Jones et al. | Ribbonized sap flow: an emerging technology for the integration of sap flow sensor components onto a single platform | |
| CN107884365A (en) | A kind of deep-sea gas-detecting device based on partial pressure principle of mobile equilibrium | |
| CN106645159A (en) | Trunk laser detector | |
| CN105221936A (en) | The device of a kind of monitoring and location direct-burried heat distribution pipeline leakage point and controlling method thereof | |
| CA3111619C (en) | Optical probe and method for in situ soil analysis | |
| Jones et al. | A fast response atmospheric CO2 sensor for eddy correlation flux measurements | |
| WO2021168574A1 (en) | Optical probe and method for real-time and in-situ measurements of soil properties | |
| CN206906244U (en) | Coal pulverizer gas analyzer based near infrared spectrum | |
| US9921159B2 (en) | Spliced detection apparatus for simultaneous wide-range in-situ detection of dissolved oxygen in sludge-water interface and detection method therefor | |
| CN205656137U (en) | Small -size double -light -path fluorescence detection device | |
| CN105928697A (en) | Gas valve response time measuring device and method | |
| CN205157535U (en) | Comprehensive continuous monitor device of collecting space area calamity index | |
| CN202631153U (en) | Single-port distributed optic fiber temperature sensor with automatic compensation function | |
| CN205118673U (en) | Device of monitoring and location direct -burried heating power pipeline leakage point | |
| CN205504126U (en) | Tee bend valve control system | |
| CN208476766U (en) | A kind of plug in construction for oil field reinjection water on-line monitoring | |
| CN205067337U (en) | Kidney bean pod mottle virus detecting system of miniflow passageway and long period grating | |
| CN205982213U (en) | A sizing stop for photoionization detector | |
| CN202149879U (en) | Multicomponent oil-smoke concentration quantitative analyzer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170510 |
|
| RJ01 | Rejection of invention patent application after publication |