CN105466328B - High-precision tree breast-height diameter device - Google Patents
High-precision tree breast-height diameter device Download PDFInfo
- Publication number
- CN105466328B CN105466328B CN201610018512.XA CN201610018512A CN105466328B CN 105466328 B CN105466328 B CN 105466328B CN 201610018512 A CN201610018512 A CN 201610018512A CN 105466328 B CN105466328 B CN 105466328B
- Authority
- CN
- China
- Prior art keywords
- fixed
- aluminium section
- type aluminium
- section bar
- support
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/12—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring diameters
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
- G01B2210/40—Caliper-like sensors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses a kind of high-precision tree breast-height diameter device.The present invention is mainly made up of stationary fixture, measuring part, process circuit.Two symmetrical L-type aluminium section bars are in the same plane in stationary fixture, long pawl permitting condition blade is separately fixed at aluminium section bar both ends with support bar, four right angle positioning links are respectively arranged in capacitive grating slide calliper rule blade and support boom end, so as to form rectangle support.Fluting coordinates with rectangle sling wherein at a L-type aluminium section bar center, and is fixed by screw, and flexible fastening rope is anchored on trunk through rectangle sling.U-shaped support is fixed at another L-type aluminium section bar center, and two rubber fixed blocks are fixed on U-shaped support both ends of the surface by goat's horn screw respectively, and sensor stand is installed at the root L-type aluminium section bar center, for fixed inductance displacement transducer.Measurement Resolution of the present invention is high, and precision reaches micron dimension；Tree-walk static measurement simultaneously combines with dynamic measurement, reduces measurement error.
Description
Technical field
The invention belongs to test and measuring technical field, and in particular to a kind of high-precision tree breast-height diameter device.
Background technology
Tree breast-height diameter is one of the abbreviation of brerast-height diatmeter, the most basic factor of standing tree measure.Forest reserves, biomass,
Growing state etc., which is determined and assessed, is all based on diameter of a cross-section of a tree trunk 1.3 meters above the ground progress.Trunk occurs periodically according to environment or its circadian rhythm
Expansion and contraction, these physiological activities directly reflect the physiological status of trunk.Measurement tree-walk variable quantity can directly react plant
The upgrowth situation of thing, therefore, the measurement of the diameter of a cross-section of a tree trunk 1.3 meters above the ground have critical role in forest resource monitoring.Surveyed in real time in addition, tree-walk is accurate
Amount can provide data and support for plant carbon remittance amount and growing environment model.
Existing Diameter measure device can be divided into two major classes, contact type measurement and non-contact measurement.Contact type measurement fills
Put typically using sensor as detection part, such as the Dendrometer plant growth measuring instruments of German ECOMATIC companies production
Belt tension sensor, can monitoring of environmental factor pair plant moisture balance influence and cane, the growth of fruit diameter.Device is consolidated
Measuring point is scheduled on, data can be with direct-reading and automatic record, but it can only measure the variable quantity rather than absolute diameter of tree-walk
It is and expensive.Non-contact measurement apparatus is typically based on the technologies such as photoelectricity, electromagnetism, such as RD1000 laser technology assizes
Instrument, built-in basal area factor program, Measure section product, diameter and the height of tree are can be used to, built-in obliquity sensor, is surveyed for slant correction
Amount, the diameter at any position of trunk can be collected exactly, although non-contact measurement apparatus is convenient for carrying, measured quickly,
But precision can not meet the needs of research is required and measured in real time.
The content of the invention
In order to overcome the above-mentioned deficiencies of the prior art, the invention provides a kind of high-precision tree breast-height diameter device.
The technical solution adopted in the present invention is：
The present invention is mainly made up of stationary fixture, measuring part, process circuit.Two symmetrical L-types in above-mentioned stationary fixture
Aluminium section bar is in the same plane, and long pawl permitting condition blade is separately fixed at aluminium section bar both ends with support bar, and four straight
Angle positioning link is respectively arranged in permitting condition blade and support boom end, so as to form rectangle support.A wherein L
Fluting coordinates with rectangle sling at type aluminium section bar center, and is fixed by screw, and flexible fastening rope is anchored on tree through rectangle sling
On dry.U-shaped support is fixed at another L-type aluminium section bar center, and two rubber fixed blocks are fixed on U-shaped by goat's horn screw respectively
Support both ends of the surface, sensor stand is installed at the root L-type aluminium section bar center, for fixed inductance displacement transducer.Two L-types
Air level is further fixed on aluminium section bar, for detecting whether whole device is in horizontality.
Above-mentioned measuring part includes permitting condition, inductance displacement sensor.Permitting condition blade is both as branch
Strut also serves as measuring piece, and permitting condition is used for diameter of a cross-section of a tree trunk 1.3 meters above the ground static measurement；Inductance displacement sensor is used for diameter of a cross-section of a tree trunk 1.3 meters above the ground dynamic and measured.
Beneficial effect of the present invention：
(1) instrument is easy for installation, light and handy, arboreal growth is influenceed smaller；
(2) Measurement Resolution is high, and precision reaches micron dimension, meets measurement and Research Requirements；
(3) tree-walk static measurement combines with dynamic measurement, directly obtains tree-walk parameter and not obtains indirectly, reduces measurement
Error；
(4) the quiet dynamic measurement of tree-walk can be directly displayed, stored, and facilitate experimenter's data processing；
(5) instrument power supply is simple, and power consumption is small, is adapted to outdoor long-term measurement.
Brief description of the drawings
Fig. 1 is principle of the invention figure；
Fig. 2 is top view of the present invention；
In figure：1st, sunk screw；2nd, plus screw；3rd, L-type aluminium；4th, right angle positioning link；5th, support bar；6th, sense
Device gauge head；7th, air level；8th, U-shaped support；9th, nut；10th, sensor stand；11st, inductance displacement sensor；12nd, screw rod；13、
Goat's horn screw；14th, rubber fixed block；15th, L-type aluminium；16th, permitting condition；17th, permitting condition blade.
Fig. 3 is side view of the present invention；
In figure：18th, rectangle sling；19th, flexible fastening rope；20th, trunk.
Embodiment
The specific embodiment of the invention, below in conjunction with accompanying drawing, the invention will be further described.
As shown in figure 1, being the schematic diagram of tree breast-height diameter device, the present invention measures using tree-walk static measurement and dynamic
Principle is combined, using permitting condition measured value as diameter of a cross-section of a tree trunk 1.3 meters above the ground static parameter L, inductance displacement sensor measured value is as the diameter of a cross-section of a tree trunk 1.3 meters above the ground
Dynamic parameter △ li.Measurement result forms：Part I is permitting condition reading, and Part II is inductance displacement sensor
Reading, sum of the two is measurement result, therefore gained tree-walk real-time measurement values are Li=L+2 △ li。
Measurement apparatus is described in detail below in conjunction with Fig. 2, Fig. 3.
L-type aluminium 3 and L-type aluminium 15 are symmetrically placed on same plane, by permitting condition blade 17 and support bar 5
Respectively by the rectangular channel of L-type aluminium 3,15, fixed using plus screw 2 and ensure that two support bars are parallel.4 right angles are located by connecting
Part 4 is respectively arranged in the end of permitting condition blade 17 and support bar 5, forms rectangle support.A wherein L-type aluminium section bar
Fluting coordinates with rectangle sling 18 at 3 centers, and is fixed by screw, and flexible fastening rope 19 is anchored on trunk through rectangle sling 18
On.U-shaped support 8 is fixed at another center of L-type aluminium section bar 15, and two rubber fixed blocks 14 are respectively by 2 goat's horn screws 13
It is fixed on the U-shaped both ends of the surface of support 8.Whole device is fixed on after trunk 20 is respectively arranged in two L-type aluminium by 2 air levels 7
It is used to detect whether whole device is in horizontality on material 3,15.
Measuring part includes permitting condition 16, inductance displacement sensor 11, sensor stand 10.Permitting condition
Blade 17 both also served as measuring piece as support bar, forms permitting condition and carries out diameter of a cross-section of a tree trunk 1.3 meters above the ground static measurement；Sensor stand 10
It is installed at the center of L-type aluminium section bar 15, for fixed inductance displacement transducer 11, device has redesigned transducer probe assembly 6, should
Gauge head is rectangular-shaped, and after assembling, regulation inductance displacement sensor 11 position makes gauge head be contacted with trunk, ensures gauge head and tree
It is dry tangent, so as to which gauge head surveys the variable quantity that data are tree diameters, now just complete the clamping of inductance displacement sensor.Electricity
Sense displacement transducer 11 is connected with signal transacting transmission circuit, and signal transacting transmission circuit can receive sensor signal and be located
Manage, the host computer that the data handled well are uploaded by wireless receiving and dispatching digital transmission module, timing is provided with signal transacting transmission circuit
Wake up procedure, in Fixed Time Interval gathered data and host computer can be uploaded to show, host computer remotely receives Data Post,
Host computer receives data storage and draws corresponding form, obtains the variable quantity of trunk in required time section.
Concrete operations flow of the present invention is：By L-type aluminium 3, permitting condition blade 17, support bar 5 install it is firm it
Afterwards, wherein a L-type aluminium section bar 3 coordinates with rectangle sling 18, flexible fastening rope 19 is anchored on trunk 20 through rectangle sling 18
On；L-type aluminium 15 is fixed on permitting condition blade 17 and support bar 5 again, U-shaped support 8 passes through screw rod 12, nut 9
Fixed, the installation of sensor stand 10 is with the center of L-type aluminium 15, for fixed inductance displacement transducer 11, screwing goat's horn screw
13 make two rubber fixed blocks 14 contact trunk and play a part of stable whole device；2 air levels 7 are respectively arranged in two
On root L-type aluminium 3,15, whether detection whole device is in horizontality, and adjusting apparatus is balanced until meeting measurement request.This
When can using permitting condition 16 carry out tree-walk static parameter measurement, record digital display registration be L.Circuit part design inductance position
The tree-walk dynamic parameter measurement of measurement storage per 30min of displacement sensor 11, record dynamic indicating value △ li, then tree breast diameter survey is real-time
It is worth and is：Li=L+2 △ li。
The present invention can complete the measurement of plant trunk diameter and girth in real time, and measurement range is big, reduces measurement error
And workload.The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited to
This, any one skilled in the art the invention discloses technical scope in, the change that can readily occur in or replace
Change, should all be included within the scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claim
Enclose and be defined.
Claims (1)
1. high-precision tree breast-height diameter device, it is characterised in that：The device is mainly by stationary fixture, measuring part, processing electricity
Road is formed；Two symmetrical L-type aluminium section bars are in the same plane in above-mentioned stationary fixture, long pawl permitting condition blade and branch
Strut is separately fixed at aluminium section bar both ends, and four right angle positioning links are respectively arranged in permitting condition blade and support bar
End, so as to form rectangle support；Fluting coordinates with rectangle sling wherein at a L-type aluminium section bar center, and is fixed by screw,
Flexible fastening rope is anchored on trunk through rectangle sling；U-shaped support is fixed at another L-type aluminium section bar center, two rubbers
Glue fixed block is fixed on U-shaped support both ends of the surface by goat's horn screw respectively, and sensor stand is installed on the root L-type aluminium section bar center
Place, for fixed inductance displacement transducer；Air level is further fixed on two L-type aluminium section bars, for whether detecting whole device
In horizontality；
Above-mentioned measuring part includes permitting condition, inductance displacement sensor；Permitting condition blade is both used as support bar
Measuring piece is also served as, permitting condition is used for diameter of a cross-section of a tree trunk 1.3 meters above the ground static measurement；Inductance displacement sensor is used for diameter of a cross-section of a tree trunk 1.3 meters above the ground dynamic and measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610018512.XA CN105466328B (en) | 2016-01-13 | 2016-01-13 | High-precision tree breast-height diameter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610018512.XA CN105466328B (en) | 2016-01-13 | 2016-01-13 | High-precision tree breast-height diameter device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105466328A CN105466328A (en) | 2016-04-06 |
| CN105466328B true CN105466328B (en) | 2017-12-29 |
Family
ID=55604290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610018512.XA Expired - Fee Related CN105466328B (en) | 2016-01-13 | 2016-01-13 | High-precision tree breast-height diameter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105466328B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU206099U1 (en) * | 2020-12-24 | 2021-08-23 | Федеральное бюджетное учреждение «Всероссийский научно-исследовательский институт лесоводства и механизации лесного хозяйства» (ФБУ ВНИИЛМ) | Electronic caliper |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798949B (en) * | 2018-12-17 | 2020-07-31 | 北京四良苹果产业集团有限公司 | Quality detector for fruit tree in fruit growth process |
| CN109931849A (en) * | 2019-02-22 | 2019-06-25 | 海盐森植生物科技有限公司 | Plant information quickly identifies equipment |
| CN110567346B (en) * | 2019-09-20 | 2024-05-07 | 山东省果树研究所 | Fruit diameter measuring device |
| CN113418433A (en) * | 2021-05-21 | 2021-09-21 | 浙江农林大学 | Device and method for measuring tree breast diameter by straight rod type geometric method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004036143A1 (en) * | 2002-10-15 | 2004-04-29 | Verdtech Nuevo Campo, S.A. | Precision dendrometer |
| DE202004019186U1 (en) * | 2004-12-11 | 2005-04-07 | Liu Jinchen | Dendrometer for making measurements of plant organs has a sensor, and sensor frame with flexible mountings acting to hold the frame to at least one sensor contact point so that the it does not move away from the measurement object |
| CN103335624A (en) * | 2013-05-20 | 2013-10-02 | 浙江农林大学 | Stumpage diameter at breast height accurate real-time automatic measuring device |
| CN104330017A (en) * | 2014-10-16 | 2015-02-04 | 中国计量学院 | Folding type tree diameter growth real-time precision measurement instrument |
| FR3013828A1 (en) * | 2013-11-22 | 2015-05-29 | Forestiere De La Caisse Des Depots Et Consignations Soc | DEVICE FOR MEASURING THE DIAMETER OF WOOD ON A REMOTE FOOT |
| CN205403693U (en) * | 2016-01-13 | 2016-07-27 | 中国计量学院 | High accuracy trees diameter of a cross -section of a tree trunk 1. 3 meters above ground measuring device |
-
2016
- 2016-01-13 CN CN201610018512.XA patent/CN105466328B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004036143A1 (en) * | 2002-10-15 | 2004-04-29 | Verdtech Nuevo Campo, S.A. | Precision dendrometer |
| DE202004019186U1 (en) * | 2004-12-11 | 2005-04-07 | Liu Jinchen | Dendrometer for making measurements of plant organs has a sensor, and sensor frame with flexible mountings acting to hold the frame to at least one sensor contact point so that the it does not move away from the measurement object |
| CN103335624A (en) * | 2013-05-20 | 2013-10-02 | 浙江农林大学 | Stumpage diameter at breast height accurate real-time automatic measuring device |
| FR3013828A1 (en) * | 2013-11-22 | 2015-05-29 | Forestiere De La Caisse Des Depots Et Consignations Soc | DEVICE FOR MEASURING THE DIAMETER OF WOOD ON A REMOTE FOOT |
| CN104330017A (en) * | 2014-10-16 | 2015-02-04 | 中国计量学院 | Folding type tree diameter growth real-time precision measurement instrument |
| CN205403693U (en) * | 2016-01-13 | 2016-07-27 | 中国计量学院 | High accuracy trees diameter of a cross -section of a tree trunk 1. 3 meters above ground measuring device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU206099U1 (en) * | 2020-12-24 | 2021-08-23 | Федеральное бюджетное учреждение «Всероссийский научно-исследовательский институт лесоводства и механизации лесного хозяйства» (ФБУ ВНИИЛМ) | Electronic caliper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105466328A (en) | 2016-04-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105466328B (en) | High-precision tree breast-height diameter device | |
| CN201909739U (en) | Arch structure test device | |
| CN104111205A (en) | Digital multichannel acquisition instrument of plant moisture evaporation and soil leakage | |
| CN111723509B (en) | Bridge structure temperature field monitoring method | |
| CN109388865A (en) | The shaft tower emergency early warning method for failure under operating condition is settled a kind ofly | |
| CN206710207U (en) | A kind of integrating device for the demarcation of geotextiles ess-strain | |
| CN106767668B (en) | Device and method for measuring pressure bearing and deformation of roadway roof | |
| CN104006784A (en) | Precision measurement device for tree walk increment | |
| CN105758602A (en) | Truss girder bridge section buffeting force synchronous measurement method | |
| CN106769459A (en) | A kind of method that utilization optical interferometry measures optical plate glass elastic modelling quantity | |
| CN108152130A (en) | Three side method wind electricity blade static test methods | |
| CN102662071A (en) | High-precision wind speed testing support | |
| CN102937643A (en) | Split-type tensionmeter connected through soft pipes and used for measuring soil water potential | |
| CN2107634U (en) | Three-direction gap detector | |
| CN103063382B (en) | A kind of amount of deflection self-operated measuring unit and measuring method thereof | |
| CN2543061Y (en) | Hanging weighing electric measuring steaming osmoscope for field crops | |
| CN205403693U (en) | High accuracy trees diameter of a cross -section of a tree trunk 1. 3 meters above ground measuring device | |
| CN201083513Y (en) | Deep water level high precision sensor device | |
| CN205642730U (en) | Calibration arrangement for three fens force transducer | |
| CN205002765U (en) | Curved measuring device of rotary kiln | |
| CN208367029U (en) | A kind of mobile wind measuring device for Along Railway | |
| CN203940845U (en) | A kind of tree-walk growth amount precision measurement apparatus | |
| CN203455358U (en) | Portable aerovane | |
| CN101968418A (en) | Displacement type lysimeter | |
| CN205716251U (en) | A kind of Novel tripod frame head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 Termination date: 20220113 |