CN104482837A - Circumference continuous measuring method and circumference continuous measuring device for circumference changing objects - Google Patents
Circumference continuous measuring method and circumference continuous measuring device for circumference changing objects Download PDFInfo
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- CN104482837A CN104482837A CN201410790539.1A CN201410790539A CN104482837A CN 104482837 A CN104482837 A CN 104482837A CN 201410790539 A CN201410790539 A CN 201410790539A CN 104482837 A CN104482837 A CN 104482837A
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- tree
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- girth
- rack
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Abstract
The invention relates to continuous, real-time and automatic measuring method and device of diameter at breast height of a tree. The device comprises a rack and a digital plate which is fixedly arranged on the tree. The measuring rack is arranged on the tree in a position where the circumference of the tree can be measured, and the rack can be extended along with the circumference of the measured object and further can be reduced along with the circumference of the measured object; a measuring ruler main body is made from a material which is substantially free of plastic deformation; the teeth of the rack are flexible teeth, and the rack is arranged on the tree in a position where the diameter at breast height of the tree is measured and surrounds the tree; one end of the rack is fixed while the other end is floating; a plurality of racks which are enough in length and are in a suspended state are arranged at the floating end; the digital plate is provided with a counting gear and the moving length of the rack is calculated by virtue of the number of teeth of the counting gear, so that the change of the diameter at breast height of the tree is calculated; the digital plate is provided with two conductive slide rails which are in intermittent concentric ring structures and contacts of conductive wafers are in contact with the conductive slide rails.
Description
Technical field
The present invention relates to perimeter change object, especially the method for continuous measuring of the girth of radius variable object and the measuring method of device, particularly plant stem girth and device, especially for trees, be converted to automatic monitoring method and the device of the diameter of a cross-section of a tree trunk 1.3 meters above the ground by its girth.
Background technology
In agricultural, field of forestry, in the growth course of trees, tree breast-height diameter is an important indicator, and be a situation of reflection arboreal growth, tree breast-height diameter was manual measurement in the past, time-consuming bothersome.
Existing tree measurement method mostly adopts static measurement, and static measurement can not continuous coverage, can not record the partial data of arboreal growth process.
During due to manual measurement, there is the measurement custom that person to person is different, can personal error be introduced, and due to reasons such as weather, manually can not ensure to carry out continuously to the measurement of tree breast-height diameter.Do not have continuous coverage, the health problem of trees cannot be diagnosed in time, can affect the growth of trees.
Therefore, need a kind of in real time, continuous print, continuous print pick-up unit and method are dynamically increased to tree breast-height diameter, automatic periodic measurement, saved human resources, ensured that measurement data is complete.
Certainly, those skilled in the art easily expect, the invention is not restricted to the measurement to tree breast-height diameter, but be applicable to the measurement of any perimeter change object, especially kinetic measurement, such as, all there is the demand measured in developmental process in other plant any except trees, such as, the measurement of the size of the fruit in developmental process.
Summary of the invention
The most basic object of the present invention is the measuring method of the girth of the object providing a kind of perimeter change, and it adopts measurement mechanism to measure described object, and described measurement is continuous and carries out in real time.
Preferably, described measurement mechanism is normally placed on object being measured, on such as, plant periphery, particularly trunk in growth, also can be the periphery of the fruit in growth.Method to set up should ensure can not have a negative impact to the growth of plant.
In above-mentioned either a program, described measurement mechanism comprises the chi can measuring the girth becoming all long materials at any time.Preferably, this chi is arranged around described object being measured.
In above-mentioned either a program preferably, a counting unit is also comprised.
In above-mentioned either a program preferably, described measurement result is sent to data acquisition center, realizes the transmission of described measurement result preferably by radio transmitting device.
The object of described perimeter change is such as plant.The present invention is particularly useful for the diameter of a cross-section of a tree trunk 1.3 meters above the ground measuring trees.But, the invention is not restricted to the measurement of tree breast-height diameter, be also not limited to the measurement of plant, such as, can also be used for the local perimeter change of real-time dynamic monitoring human body.
The present invention also aims to provide a kind of and implement the above-mentioned device in real time, continuously, automatically measuring the girth of all long materials of change, it comprises dip stick, this dip stick is arranged on can on the position of its circumferential measurements on object being measured, its set-up mode is, this chi can be extended with the elongation of the girth of testee, but its fixing on testee can not be affected, preferably also can not have a negative impact to testee.
In above-mentioned either a program preferably, described chi can also reduce with the reduction of the girth of testee.Like this, such as, the unsound state of trees can also be detected on the one hand, on the other hand, also can avoid causing device to come off due to the minimizing of the diameter of a cross-section of a tree trunk 1.3 meters above the ground.
In above-mentioned either a program preferably, described dip stick adopts the material without retrospective distortion to make.
In above-mentioned either a program preferably, described dip stick adopt to environmental change almost responseless material make.Preferably, described environmental change comprises temperature.In above-mentioned either a program preferably, described environmental change comprises humidity.In above-mentioned either a program preferably, described environmental change comprises the composition in air.
In above-mentioned either a program preferably, described device also comprises counting unit.
In above-mentioned either a program preferably, described object being measured is plant.
In above-mentioned either a program preferably, described object being measured is trees, and described girth is tree breast-height diameter.
In above-mentioned either a program preferably, described chi is a tooth bar, the tooth of described tooth bar has and is suitable for realizing object of the present invention and the flexibility set, it is positioned at the tree breast diameter survey position of measured tree, and around trees, one end is fixed the other end and is floated, and floating end has the tooth bar had more to be in vacant state.The length of tooth bar will be guaranteed to be enough to measure enough sturdy tree breast-height diameter.Described counting unit comprises the digital disk be fixed on trees.
In above-mentioned either a program preferably, the tooth of the floating end of described tooth bar and the tooth contact of described digital disk, the tooth of described tooth bar floating end can drive described digital disk to rotate.
In above-mentioned either a program preferably, described digital disk is with counting gear, and counting gear engages with described tooth bar, and the number of teeth by means of counting gear calculates the length of described tooth bar movement, thus calculates the change of the diameter of a cross-section of a tree trunk 1.3 meters above the ground of trees.Certainly, described counting unit also can realize by other mode of the prior art, and such as direct have scale on chi.Optical instrument can also be adopted, the selection of these concrete means, for being easy to expect those skilled in the art.
In above-mentioned either a program preferably, described digital disk is equipped with at least one conductiving slide rail, the conductiving slide rail on described digital disk is interrupted concentric ring structure, and the contact of described conductive contact blade contacts with described conductiving slide rail.At least two conductiving slide rails described digital disk are equipped with preferably, preferably many.
In above-mentioned either a program preferably, described device also comprises conductive contact blade, data processing unit etc.Described conductive contact blade is connected with data processing unit.
In above-mentioned either a program preferably, described data processing unit comprise single-chip microcomputer, also comprise similar data processing circuit.
In above-mentioned either a program preferably, described data processing unit connects described conductive contact blade and described conductiving slide rail respectively.Described data processing unit is used for the work such as data acquisition, calculating, storage.
In above-mentioned either a program preferably, on described conductiving slide rail with binary coding.
In above-mentioned either a program preferably, described device is also with signal transmission unit, and surveyed data are transferred to Surveillance center by it.Preferably, described signal transmission unit is unlimited signal transmission unit.
During arboreal growth, tree breast-height diameter increases thick, along with the increasing of tree breast-height diameter is thick, the suspending part branch of described tooth bar floating end is centered around on trees successively, simultaneously, described tooth bar floating end drives described digital disk to rotate, the conductiving slide rail position that described data processing unit is contacted by conductive contact blade is different, read the binary coded signal of conductiving slide rail, represent the angle information of digital disk, changed by the binary coding of digital disk, obtain the angle increments of change of digital disk, thus calculate the increment of tree breast-height diameter position girth, add trees basic data, and the increment summation of tree breast-height diameter position girth in the past, obtain the current girth of trees, converse tree diameters.
By adopting according to the continuous measuring device of tree breast-height diameter of the present invention, can monitor from the juvenile stage of trees to the aged phase, not needing manual intervention, there is not the artificial error measuring introducing, automatically complete measurement, the diameter of a cross-section of a tree trunk 1.3 meters above the ground change in trees all one's life can be monitored, data integrity, deviation is little.
Structure of the present invention is simple, measures convenient and reliable, is adapted to the environment such as field unattended.
Accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment according to the continuous real time automatic measuring device of tree breast-height diameter of the present invention.
Fig. 2 is the structural representation according to the digital disk in the continuous real time automatic measuring device of tree breast-height diameter of the present invention.
Wherein 1 is trees, and 2 is tooth bar, and 3 is tooth bar stiff end, 4 is tooth bar floating end, and 5 is the tooth of tooth bar, and 6 is digital disk, 7 is stiff end, 8 and 9 is conductiving slide rail, and 10 is conductive contact blade, and 11 is the contact of conductive contact blade, 12 is the tooth on digital disk, 13 is data processing unit, and 14 is wire, and 15 is wire.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described further, but should not be construed as limitation of the present invention.
As depicted in figs. 1 and 2, a preferred form of the present invention is a kind of continuous measuring device of tree breast-height diameter, this device is by tooth bar 2, digital disk 6, conductive contact blade 10, composition such as data processing unit 13 grade, the tooth of described tooth bar 2 is flexible, as engineering plastics etc., described tooth bar 2 is positioned at the tree breast diameter survey position of trees 1, described tooth bar 2 is around trees 1, described tooth bar 2 one end is fixed the other end and is floated, the stiff end 3 of described tooth bar 2 is fixed on spud pile 7, spud pile 7 is fixed in crust of the device (not shown), device is fixed on the tree breast diameter survey position of trees 1, the floating end 4 of described tooth bar 2 has the tooth bar had more to be in vacant state, tooth bar is at least provided with continuous print tooth 5(and part tooth is only shown in the sufficient length of floating end 4), described digital disk 6 is fixed in crust of the device (not shown)
,digital disk 6 has tooth 12(Fig. 2 part tooth is only shown), digital disk 6 is known fixed value with the spacing of spud pile 7, the tooth 5 of the floating end 4 of described tooth bar 2 contacts with the tooth 12 of digital disk 6, the tooth 5 of described tooth bar 2 floating end 4 can drive described digital disk 6 to rotate, conductiving slide rail 8, conductiving slide rail 9 described digital disk 6 be equipped with, conductiving slide rail 8 on described digital disk 6, conductiving slide rail 9 are interrupted concentric ring structure, digital disk 6 also can fill many conductiving slide rails, described conductive contact blade 10 is fixed in crust of the device (not shown), and the contact 11 of conductive contact blade 10 contacts with described conductiving slide rail 8, conductiving slide rail 9, described data processing unit 13 connects conductive contact blade 10 and conductiving slide rail 8, conductiving slide rail 9 respectively by wire 14, wire 15, the core of described data processing unit 13 is the data processing circuit such as single-chip microcomputer, ARM, for work such as data acquisition, calculating, storages, because this signal-obtaining and data processing method are known technology, no longer describe.
When trees 1 grow, trees 1 diameter of a cross-section of a tree trunk 1.3 meters above the ground increases thick, and along with the increasing of trees 1 diameter of a cross-section of a tree trunk 1.3 meters above the ground is thick, the suspending part branch of tooth bar 2 floating end 4 is centered around on trees 1 successively.Simultaneously, the floating end 4 of tooth bar 2 drives described digital disk 6 to rotate, data processing unit 13 due to conductiving slide rail 8, conductiving slide rail 9 position contacted with conductive contact blade 10 different, read different binary coded signals, represent the angle information of digital disk 6, changed by the binary coding of digital disk 6, obtain the angle increments of change of digital disk 6, thus calculate the increment of trees 1 diameter of a cross-section of a tree trunk 1.3 meters above the ground position girth, add trees 1 basic data, and the increment summation of trees 1 diameter of a cross-section of a tree trunk 1.3 meters above the ground position girth in the past, obtain the current girth of trees 1, converse the diameter of trees 1.
In this example, illustrating with 2 conductiving slide rails, also can be other measurement of angle modes such as more conductiving slide rails or photoelectricity.
In this example, meter reading method data query can be adopted, the modes such as wireless data also can be adopted to transmit data.
Above-described embodiment can only be used for measuring the increase of tree breast-height diameter.If need to monitor reducing of tree breast-height diameter, then also need to add one and ensure that the unit of trees circumference is close to by tooth bar.Such as, the floating end of tooth bar connects one with on the fixed cell of spring, and this spring applies one to tooth bar and makes its fastening spring force in the tree.Preferably, the elasticity of this spring selects appropriateness, makes it that tooth bar just can be made to be close on trunk, is unlikely to again to produce excessive pressure to trunk, so that have impact on the growth of trees and the accuracy of measurement, such as, makes tooth bar position trunk form necking down.The elasticity of this spring selects essential factor seeds and different.
Claims (10)
1. the measuring method of the girth of the object of perimeter change, it adopts measurement mechanism to measure described object, it is characterized in that: described measurement is carried out continuously, in real time and automatically.
2. method as claimed in claim 1, is characterized in that: described measurement mechanism is arranged on object being measured.
3., as the method for above-mentioned arbitrary claim, it is characterized in that: described measurement mechanism comprises the chi can measuring the girth becoming all long materials at any time.
4., as the method for above-mentioned arbitrary claim, it is characterized in that: described chi is arranged around described object being measured.
5., as the method for above-mentioned arbitrary claim, it is characterized in that: also comprise a counting unit.
6., as the method for above-mentioned arbitrary claim, it is characterized in that: the result of described measurement is sent to data acquisition center.
7., as the method for above-mentioned arbitrary claim, it is characterized in that: the transmission being realized described measurement result by radio transmitting device.
8., as the method for above-mentioned arbitrary claim, it is characterized in that: the object of described perimeter change is plant.
9. method as claimed in claim 8, is characterized in that: the object of described perimeter change is trees, and described girth result is converted into the diameter of a cross-section of a tree trunk 1.3 meters above the ground of trees.
10. measure the device of the girth becoming all long materials, it comprises dip stick, it is characterized in that: described dip stick is arranged on can on the position of its circumferential measurements on object being measured, its set-up mode is, this chi can be extended with the elongation of the girth of testee, but its fixing on testee can not be affected.
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CN201410790539.1A CN104482837A (en) | 2014-11-18 | 2014-12-18 | Circumference continuous measuring method and circumference continuous measuring device for circumference changing objects |
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CN2014106562178 | 2014-11-18 | ||
CN201410656217 | 2014-11-18 | ||
CN201410790539.1A CN104482837A (en) | 2014-11-18 | 2014-12-18 | Circumference continuous measuring method and circumference continuous measuring device for circumference changing objects |
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CN201420807498.8U Expired - Fee Related CN204514236U (en) | 2014-11-18 | 2014-12-18 | The girth continuous measuring device of perimeter change object |
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CN107830796A (en) * | 2017-12-20 | 2018-03-23 | 中南林业科技大学 | A kind of single hooping analyzer and system for determining tree diameters increment |
CN108007413A (en) * | 2017-12-20 | 2018-05-08 | 中南林业科技大学 | A kind of easy device and system of long-range measurement tree diameters increment |
CN108106512A (en) * | 2017-12-20 | 2018-06-01 | 中南林业科技大学 | A kind of tree diameters growth quantity measuring method based on belt-type analyzer |
CN108105415A (en) * | 2018-03-06 | 2018-06-01 | 湖州师范学院 | A kind of air bag receives water controllable adjustment device certainly |
CN108195265A (en) * | 2017-12-20 | 2018-06-22 | 中南林业科技大学 | A kind of intelligent continuous method for measuring vertical wood diameter increment |
CN108194659A (en) * | 2018-03-06 | 2018-06-22 | 湖州师范学院 | One kind collaborates self-control air bag water transfer mechanism |
CN108225163A (en) * | 2018-01-21 | 2018-06-29 | 中南林业科技大学 | A kind of standing tree size method for continuous measuring based on drawing and pulling type mechanism |
CN108278949A (en) * | 2018-01-19 | 2018-07-13 | 中南林业科技大学 | A kind of standing tree dimension measurement method based on ribbon amount arm anchor ear |
CN108278962A (en) * | 2018-01-21 | 2018-07-13 | 中南林业科技大学 | A kind of ring type standing tree dimensional measurement terminal for continuously measuring |
CN108413838A (en) * | 2018-01-31 | 2018-08-17 | 中南林业科技大学 | A kind of vertical wood diameter method for continuous measuring of back-shaped ruler terminal |
CN108562200A (en) * | 2018-01-19 | 2018-09-21 | 中南林业科技大学 | A kind of Portable standing wood gauging instrument based on ribbon amount arm anchor ear |
CN108955481A (en) * | 2018-07-09 | 2018-12-07 | 西北农林科技大学 | A kind of tree breast-height diameter Fast measurement system and method based on RFID technique |
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CN108106512A (en) * | 2017-12-20 | 2018-06-01 | 中南林业科技大学 | A kind of tree diameters growth quantity measuring method based on belt-type analyzer |
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CN108278949A (en) * | 2018-01-19 | 2018-07-13 | 中南林业科技大学 | A kind of standing tree dimension measurement method based on ribbon amount arm anchor ear |
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