CN106643457A - Laser caliper and method for measuring tree diameter by laser caliper - Google Patents
Laser caliper and method for measuring tree diameter by laser caliper Download PDFInfo
- Publication number
- CN106643457A CN106643457A CN201611240519.2A CN201611240519A CN106643457A CN 106643457 A CN106643457 A CN 106643457A CN 201611240519 A CN201611240519 A CN 201611240519A CN 106643457 A CN106643457 A CN 106643457A
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- laser
- tree
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Classifications
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- 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
Abstract
The invention relates to the field of a distance measurement device and particularly relates to a laser caliper and a method for measuring a tree diameter by the laser caliper. According to the method provided by the invention, a movable laser point on the diameter-measuring laser caliper correspondingly irradiates an object; when the laser point moves to an edge of the object, a laser degree exceeds a pre-set threshold value; the thickness of the object is obtained through measuring the movement amount of the laser point on the caliper; and the laser caliper can be applied to the aspects of measuring the thickness of the object, measuring the diameter of a cylinder and the like, and is particularly applied to the aspect of measuring the tree diameter. The laser caliper has the beneficial effects that the device is reasonable in structure, high in reliability, high in measurement precision, and simple and convenient to operate; a single person can operate when the laser caliper is used for measuring the tree diameter, the laser caliper can be used for automatically measuring when a measuring key is pressed, and then a liquid crystal screen is used for displaying in real time and automatically recording; the equipment cost is low so that the laser caliper can be popularized in a large range; the device can also be applied to measurement works of other fields; and when the laser caliper is used for measuring the tree diameter, data is stored into the cloud simultaneously, so that data backup is carried out and people of a far terminal can conveniently check the data.
Description
Technical field
The present invention relates to the method for range unit field, specially a kind of laser caliper and its measurement tree-walk.
Background technology
It is primarily now to use ruler etc. by staff in work on forestry, it is often necessary to measure the data such as tree-walk
Instrument is measured, and in large-scale measurement, this method efficiency is too low, therefore develops convenient installation and measurement, simple to operate, essence
The value that the high Diameter measure device tool of degree is of great significance and studies.
The self-operated measuring unit (CN201110365933.7) of a kind of tree-walk growth amount in Chinese patent storehouse, by wireless network
Network node remote monitoring device realizes the real-time increment and growth conditions of real-time monitoring tree-walk；Including device stuck-module and survey
Amount module；Device stuck-module is fixed on measurement module on trunk on the position for needing to measure tree-walk variable quantity；Measurement module
Including linear displacement transducer, gauge head head sheave, angle pulley, leading block, nonelastic seizing wire, dop with spring
With gauge head head sheave and the coupling part of the linear displacement transducer for carrying spring；Nonelastic seizing wire by angle pulley,
After leading block and gauge head head sheave, nonelastic seizing wire is encircled on the position for needing to measure tree-walk, by dop by nothing
The clamping of elastic seizing wire two ends；The change of tree-walk growth is determined according to the displacement of the linear displacement transducer with spring
Amount.
A kind of folding tree Diameter growth amount real-time accurate measuring instrument is disclosed in Chinese patent storehouse
(CN201410551262.7), the device can accurately measure in real time tree diameters, and compact is foldable, conveniently takes
Band.Measurement apparatus include support, grid class chi, clamp of sensor, micron order displacement transducer sensor and process of signal transmission electricity
Road.By the way of multipoint positioning, 3 points of measurement diameters, it is the V-type between 90 ° to 150 ° to be assembled into angle by two parts to device
Body, with reference to installed in the micro-displacement sensor with the diagonal overlapping position at V-type angle, realizes the measurement of tree-walk.Micron order displacement is passed
Sensor and magnetic railings ruler are by carrying out remote data transmission between process of signal transmission circuit and host computer.The present invention can stablize real-time
Ground measures tree-walk and its microvariations amount simultaneously, reduces measure error.The device is convenient for carrying using folding, and user
Just and light weight small volume, fixture injures little to trunk.
Existing assize footpath instrument be present, measurement not precisely, volume it is big, in-convenience in use waiting.
The content of the invention
For the problems referred to above, it is an object of the invention to provide a kind of method of laser caliper and its measurement tree-walk, by laser
Movable laser point correspondence object illumination on slide calliper rule, when laser spots move to object edge, the laser number of degrees exceed setting threshold
Value, the thickness of object is drawn by measuring amount of movement of the laser spots on slide calliper rule, and laser caliper may be used on measuring the thickness of object
The aspects such as degree, the diameter of cylinder, are especially applied to measure tree-walk aspect.
To achieve these goals, the present invention adopts below scheme
According to the first aspect of the invention, a kind of laser caliper, it includes, slide calliper rule support 1, tip 2, perpendicular rail 3, traverse rod 4,
Range finding box 5, stepper motor 6, laser instrument 7, display screen 8, key zone 9, level meter 10, power supply 11, processor 12, data transmit-receive mould
Block 13, electricity generation module 14.
The bottom of slide calliper rule support 1 be provided with tip 2, the outer surface of upper of slide calliper rule support 1 be provided with display screen 8, by
Keypad 9, the top of the slide calliper rule support 1 is provided with level meter 10, and electricity generation module 14 is provided with outside the slide calliper rule support 1, described
Slide calliper rule support 1 is internally provided with power supply 11, processor 12, signal dispatcher module 13, and the slide calliper rule support 1 is fixed with perpendicular rail 3 and connected
Connect, the perpendicular rail 3 is fixedly connected with traverse rod 4, the traverse rod 4 is slidably connected with range finding box 5, the range finding box 5 is internally provided with
Stepper motor 6, range finding box 5 top is provided with laser instrument 7, the power supply 11 respectively with stepper motor 6, laser instrument 7, show
Screen 8, key zone 9, processor 12, data transmit-receive module 13, electricity generation module 14 connect, the processor 12 respectively with stepper motor
6th, laser instrument 7, display screen 8, key zone 9, data transmit-receive module 13 connect, the data transmit-receive module 13 and the shifting being separately provided
Dynamic terminal wireless connection.
Preferably, the height of the slide calliper rule support 1 is 1.0-1.5m.
Preferably, the perpendicular rail 3 is provided with fixing device with the junction of traverse rod 4.
Preferably, the key zone 9 includes power key, measurement key, determination key, adjusting key.
Preferably, the data transmit-receive module 13 is Wi-Fi module, and mobile terminal is received as shared focus, the data
Send out module 13 to be connected by wifi with mobile terminal.
Preferably, the data transmit-receive module 13 adopts satellite communication with mobile terminal.
Preferably, the electricity generation module 14 is device of solar generating, is generated electricity by sunlight, is that power supply 11 is supplemented
Electric energy.
According to the second aspect of the invention, a kind of method that utilization laser caliper measures tree-walk, comprises the following steps：
(1) ground near tree to be measured is inserted at the tip 2 of the bottom of slide calliper rule support 1, water is adjusted according to level meter 10
Flat consistent, the position of slide calliper rule support 1 is close proximity to tree to be measured；
(2) power key in key zone 9 is opened, the measurement threshold value of laser instrument 7 is set according to the maximum tree-walk of prediction, one
As in the case of threshold value 10cm bigger than maximum tree-walk is set；
(3) the measurement key in depresses button area 9, range finding box 5 is moved horizontally on traverse rod 4, completes to measure tree-walk and by number
According to being displayed on display screen 8；
(4) staff determines the determination key in errorless rear depresses button area 9, and tree-walk data pass through data transmit-receive module 13
Upload to mobile terminal；
(5) data are automatically uploaded to high in the clouds, mobile terminal data and high in the clouds number after staff determines on mobile terminals
Update according to automatic synchronization.
Preferably,
Operation principle
Measurement key in depresses button area 9, range finding box 5 is moved on traverse rod 4, the measurement distance of laser instrument 7 and by data
Processor 12 is passed to, when the data of the measurement of laser instrument 7 are more than threshold value, the edge of laser instrument correspondence tree, processor 12 can be assert
Control stepper motor 6 is inverted, and the opposite direction of laser instrument 7 is moved horizontally, when the data of the measurement of laser instrument 7 are more than threshold value again, can
Assert that the distance between the other edge of laser instrument correspondence tree, two edges are exactly the diameter of trunk cross section, two edges it
Between distance be equal to measured value between two thresholds during laser instrument 7 movement distance, set stepper motor 6 step pitch
Angle is T, and subdivision multiple is x, the Zhou Changwei L of motor shaft, the step angle T of stepper motor 6, subdivision multiple x, the perimeter L of motor shaft
All it is known determination, the displacement of the lines of a pulse is equal to L ÷ [(360 ÷ t) × x], and processor 12 is got in measurement process
Umber of pulse n that stepper motor 6 is rotated, the computing formula of the diameter thus set：D=n × L ÷ [(360 ÷ t) × x].
The invention has the beneficial effects as follows：Rationally, reliability is high for the apparatus structure, and certainty of measurement is high；Operation simple and convenient, surveys
Amount tree-walk when one man operation, press measurement button can automatic measurement, liquid crystal display show in real time and record automatically；Equipment cost is low
It is honest and clean, can promote on a large scale；The device can also apply to the measurement work of other field；During measurement tree-walk, data are preserved simultaneously
Beyond the clouds, not only do data backup but also facilitate the personnel of distal end to check；Mobile terminal data and high in the clouds data automatic synchronization update,
Ensure the uniformity and accuracy of data.
Description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the theory diagram in assize footpath of the present invention.
In Fig. 1,1- slide calliper rule supports, 2- tips, the perpendicular rails of 3-, 4- traverse rods, 5- range finding boxes, 6- stepper motors, 7- laser instruments, 8-
Display screen, 9- key zones, 10- level meters, 11- power supplys, 12- processors, 13- data transmit-receive modules, 14- electricity generation modules.
Specific embodiment
In order that those skilled in the art are better understood from the technical scheme in the application, below in conjunction with accompanying drawing, reality
Apply example to be clearly and completely described technical scheme, it is clear that described embodiment is only the application's
A part of embodiment, based on the embodiment in the application, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, should all belong to the scope of the application protection.
As shown in figure 1, the bottom of slide calliper rule support 1 is provided with tip 2, the outer surface of upper of slide calliper rule support 1 is provided with
Display screen 8, key zone 9, the top of the slide calliper rule support 1 is provided with level meter 10, and outside the slide calliper rule support 1 generating mould is provided with
Block 14, the slide calliper rule support 1 is internally provided with power supply 11, processor 12, signal dispatcher module 13, the slide calliper rule support 1 with it is perpendicular
Rail 3 is fixedly connected, and the perpendicular rail 3 is fixedly connected with traverse rod 4, and the traverse rod 4 is slidably connected with range finding box 5, in the range finding box 5
Portion is provided with stepper motor 6, and range finding box 5 top is provided with laser instrument 7, the power supply 11 respectively with stepper motor 6, laser
Device 7, display screen 8, key zone 9, processor 12, data transmit-receive module 13, electricity generation module 14 connect, the processor 12 respectively with
Stepper motor 6, laser instrument 7, display screen 8, key zone 9, data transmit-receive module 13 connect, the data transmit-receive module 13 with it is independent
The mobile terminal of setting wirelessly connects.
As shown in Fig. 2 during measurement tree-walk, including several calibrate laser caliper, mobile terminal, mobile terminal can be hand
Machine or panel computer a, mobile terminal can coordinate multiple laser calipers of calibrating to use, after calibrating laser caliper and measuring data,
Mobile terminal is automatically uploaded to by wireless network, mobile terminal carries out being automatically uploaded to high in the clouds backup after edit, mobile
Terminal data and high in the clouds data automatic synchronization update.
Embodiment 1
Forest zone is fast-growing woods, estimates maximum tree-walk for 50cm, and the threshold value for arranging laser instrument 7 is 60cm, the step of stepper motor 6
Elongation T is 1.8, and subdivision multiple x is 1, and the perimeter L of motor shaft is 1.8cm, and umber of pulse n of rotation is 5000, the diameter d=n of tree
× L ÷ [(360 ÷ t) × x]=45cm.
Embodiment 2
Forest zone is fast-growing woods, estimates maximum tree-walk for 50cm, and the threshold value for arranging laser instrument 7 is 60cm, the step of stepper motor 6
Elongation T is 0.9, and subdivision multiple x is 2, and the perimeter L of motor shaft is 1.8cm, and umber of pulse n of rotation is 184000, the diameter d of tree
=n × L ÷ [(360 ÷ t) × x]=41.4cm.
Embodiment 3
Using the method that laser caliper measures tree-walk is calibrated, comprise the following steps：
(1) ground near tree to be measured is inserted at the tip 2 of the bottom of slide calliper rule support 1, water is adjusted according to level meter 10
Flat consistent, the position of slide calliper rule support 1 is close proximity to tree to be measured；
(2) power key in key zone 9 is opened, the measurement threshold value of laser instrument 7 is set according to the maximum tree-walk of prediction, one
As in the case of threshold value 10cm bigger than maximum tree-walk is set；
(3) the measurement key in depresses button area 9, range finding box 5 is moved horizontally on traverse rod 4, completes to measure tree-walk and by number
According to being displayed on display screen 8；
(4) staff determines the determination key in errorless rear depresses button area 9, and tree-walk data pass through data transmit-receive module 13
Upload to mobile terminal；
(5) data are automatically uploaded to high in the clouds, mobile terminal data and high in the clouds number after staff determines on mobile terminals
Update according to automatic synchronization.
The operation principle in assize footpath
Measurement key in depresses button area 9, range finding box 5 is moved on traverse rod 4, the measurement distance of laser instrument 7 and by data
Processor 12 is passed to, when the data of the measurement of laser instrument 7 are more than threshold value, the edge of laser instrument correspondence tree, processor 12 can be assert
Control stepper motor 6 is inverted, and the opposite direction of laser instrument 7 is moved horizontally, and simultaneous processor 12 starts timing, when the measurement of laser instrument 7
When data are more than threshold value again, the other edge of laser instrument correspondence tree can be assert, processor 12 stops timing, between two edges
Distance be exactly trunk cross section diameter, during the distance between two edges are equal to measured value between two thresholds
The distance of the movement of laser instrument 7, sets the step angle of stepper motor 6 as T, and subdivision multiple is x, and the Zhou Changwei L of motor shaft, stepping is electric
The step angle T of machine 6, subdivision multiple x, the perimeter L of motor shaft are all known determinations, and the displacement of the lines of a pulse is equal to L ÷
[(360 ÷ t) × x], processor 12 gets umber of pulse n that stepper motor 6 is rotated in measurement process, the meter of the diameter thus set
Calculate formula：D=n × L ÷ [(360 ÷ t) × x].
Finally illustrate, above example is only to illustrate technical scheme and unrestricted, and this area is common
Other modifications or equivalent that technical staff is made to technical scheme, without departing from technical solution of the present invention
Spirit and scope, all should cover in the middle of scope of the presently claimed invention.
Claims (9)
1. a kind of laser caliper, it is characterised in that it includes, slide calliper rule support (1), sophisticated (2), perpendicular rail (3), traverse rod (4), range finding
Box (5), stepper motor (6), laser instrument (7), display screen (8), key zone (9), level meter (10), power supply (11), processor
(12), data transmit-receive module (13), electricity generation module (14)；Wherein, slide calliper rule support (1) bottom is provided with sophisticated (2), described
Slide calliper rule support (1) outer surface of upper is provided with display screen (8), key zone (9), and slide calliper rule support (1) top is provided with level
Instrument (10), outside the slide calliper rule support (1) electricity generation module (14) is provided with, and the slide calliper rule support (1) is internally provided with power supply
(11), processor (12), signal dispatcher module (13), the slide calliper rule support (1) is fixedly connected with perpendicular rail (3), the perpendicular rail (3)
It is fixedly connected with traverse rod (4), the traverse rod (4) is slidably connected with range finding box (5), range finding box (5) is internally provided with stepping
Motor (6), range finding box (5) top is provided with laser instrument (7), the power supply (11) respectively with stepper motor (6), laser instrument
(7), display screen (8), key zone (9), processor (12), data transmit-receive module (13), electricity generation module (14) connection, the process
Device (12) is connected respectively with stepper motor (6), laser instrument (7), display screen (8), key zone (9), data transmit-receive module (13), institute
State data transmit-receive module (13) to be wirelessly connected with the mobile terminal being separately provided.
2. a kind of laser caliper according to claim 1, it is characterised in that the height of the slide calliper rule support (1) is 1.0-
1.5m。
3. a kind of laser caliper according to claim 1, it is characterised in that the perpendicular rail (3) sets with traverse rod (4) junction
It is equipped with fixing device.
4. a kind of laser caliper according to claim 1, it is characterised in that the key zone (9) includes power key, measurement
Key, determination key, adjusting key.
5. a kind of laser caliper according to claim 1, it is characterised in that the data transmit-receive module (13) is Wi-Fi
Module, mobile terminal is connected with mobile terminal as shared focus, the data transmit-receive module (13) by wifi.
6. a kind of laser caliper according to claim 1, it is characterised in that the electricity generation module (14) is solar electrical energy generation
Device, generates electricity by sunlight, is power supply (11) electric energy supplement.
7. a kind of laser caliper according to claim 1, it is characterised in that the data transmit-receive module (13) with it is mobile eventually
End adopts satellite communication.
8. a kind of laser caliper according to claim 1, it is characterised in that the electricity generation module (14) is solar electrical energy generation
Device, generates electricity by sunlight, is power supply (11) electric energy supplement.
9. a kind of method that utilization laser caliper measures tree-walk, it is characterised in that comprise the following steps：
(1) ground near tree to be measured is inserted at the tip (2) of slide calliper rule support (1) bottom, is adjusted according to level meter (10)
Level is consistent, and the position of slide calliper rule support (1) is close proximity to tree to be measured；
(2) power key in key zone (9) is opened, the measurement threshold value of laser instrument (7) is set according to the maximum tree-walk of prediction, one
As in the case of threshold value 10cm bigger than maximum tree-walk is set；
(3) the measurement key in depresses button area (9), range finding box (5) is moved horizontally on traverse rod (4), completes to measure tree-walk and incite somebody to action
Data display is on display screen (8)；
(4) staff determines the determination key in errorless rear depresses button area (9), and tree-walk data pass through data transmit-receive module (13)
It is automatically uploaded to mobile terminal；
(5) data are automatically uploaded to high in the clouds after staff determines on mobile terminals, and mobile terminal data and high in the clouds data are certainly
Dynamic synchronized update.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611240519.2A CN106643457A (en) | 2016-12-28 | 2016-12-28 | Laser caliper and method for measuring tree diameter by laser caliper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611240519.2A CN106643457A (en) | 2016-12-28 | 2016-12-28 | Laser caliper and method for measuring tree diameter by laser caliper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106643457A true CN106643457A (en) | 2017-05-10 |
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ID=58835346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611240519.2A Pending CN106643457A (en) | 2016-12-28 | 2016-12-28 | Laser caliper and method for measuring tree diameter by laser caliper |
Country Status (1)
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061521A (en) * | 2017-12-20 | 2018-05-22 | 中南林业科技大学 | A kind of apparatus and system of automatic measurement tree diameters increment |
| CN108106517A (en) * | 2017-12-20 | 2018-06-01 | 中南林业科技大学 | A kind of method of long-range monitoring tree diameters increment |
| CN108871249A (en) * | 2018-06-27 | 2018-11-23 | 共享装备股份有限公司 | Three coordinate laser assisted measuring devices |
| CN110307816A (en) * | 2019-07-24 | 2019-10-08 | 中国科学院植物研究所 | A kind of model for trees distributed networking online observation system |
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| CN104034297A (en) * | 2014-06-26 | 2014-09-10 | 孙硕添 | Device for automatically measuring diameter of tree |
| CN204177341U (en) * | 2014-10-16 | 2015-02-25 | 中国计量学院 | A kind of folding tree Diameter growth amount real-time accurate measuring instrument |
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| CN101216288A (en) * | 2008-01-07 | 2008-07-09 | 浙江理工大学 | Crop plant height detection method |
| US8370075B2 (en) * | 2009-01-12 | 2013-02-05 | Pioneer Hi Bred International Inc | Portable plant height and ear height measuring device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108061521A (en) * | 2017-12-20 | 2018-05-22 | 中南林业科技大学 | A kind of apparatus and system of automatic measurement tree diameters increment |
| CN108106517A (en) * | 2017-12-20 | 2018-06-01 | 中南林业科技大学 | A kind of method of long-range monitoring tree diameters increment |
| CN108871249A (en) * | 2018-06-27 | 2018-11-23 | 共享装备股份有限公司 | Three coordinate laser assisted measuring devices |
| CN110307816A (en) * | 2019-07-24 | 2019-10-08 | 中国科学院植物研究所 | A kind of model for trees distributed networking online observation system |
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