CN110030964A - A kind of trees external diameter measuring device and method - Google Patents

A kind of trees external diameter measuring device and method Download PDF

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Publication number
CN110030964A
CN110030964A CN201910242373.2A CN201910242373A CN110030964A CN 110030964 A CN110030964 A CN 110030964A CN 201910242373 A CN201910242373 A CN 201910242373A CN 110030964 A CN110030964 A CN 110030964A
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ruler
trees
measured
diameter measuring
measuring device
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CN110030964B (en
Inventor
孙林豪
方陆明
方益明
任俊俊
杨来邦
郑似青
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Zhejiang A&F University ZAFU
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Zhejiang A&F University ZAFU
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/10Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring diameters
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/14Receivers specially adapted for specific applications
    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Length Measuring Devices With Unspecified Measuring Means (AREA)

Abstract

The invention proposes a kind of trees external diameter measuring device and method, which includes: the scissors ruler as made of first ruler one end and the rotation connection of second ruler one end;First ruler and the second ruler are formed with a rotary joint in junction;Rope band, described rope band one end are connected to the one end of the first ruler far from rotary joint, and the other end is connected to the one end of the second ruler far from rotary joint;It can measure the sensor of angle between the first ruler and the second ruler;Controller;The controller can calculate the outer diameter of trees to be measured according to the angle of sensor measurement.The trees external diameter measuring device has many advantages, such as that low cost, high-precision, easy to operate, time-consuming is short, portable.

Description

A kind of trees external diameter measuring device and method
Technical field
The present invention relates to tree measurement equipment technical field more particularly to a kind of trees external diameter measuring device and methods.
Background technique
Trees outer diameter is most basic one of the factor of forest survey, and traditional measuring tool mainly encloses ruler.Slide calliper rule range It is limited to be not suitable for the larger tree measurement of outer diameter;It is simple to enclose ruler tool, but gauger's both hands must contact trunk, and it is larger to be not suitable for outer diameter Tree measurement.For the outside diameter measuring of a fairly large number of study plot trees, it usually needs gauger and two people of keeper have cooperated At, and statistics calculating is carried out, low efficiency and easy error.In recent years, be also born some electronic products, such as total station is surveyed Amount, laser scanner, electronic bar code ruler etc., but it is complicated for operation, field is inconvenient to carry, the dense place of the woods is not easy to measure, anti-interference The problems such as property is poor, equipment cost is high, measurement efficiency is low, it is difficult to be widely applied.Such as Publication No. CN207007063U Patent discloses a kind of tree diameters measuring device, and composition includes: measurement ruler, fixed frame and adjusting bracket, measures ruler Side is machined with circular hole on ruler face, and the side of circular hole offers strip-shaped hole, wherein inserted with fixed frame, strip-shaped hole interpolation in circular hole Entering has adjusting bracket, and measurement ruler is combined into c-type structure, two blocks of aluminium alloys in the aluminium alloy plate and connecting plate of parallel construction by two pieces It is vertically connected with baffle at the upper side of plate, lower section is machined with the identical arc groove of one group of structure, on the middle position of connecting plate It is provided with U-shaped structure handle.Tree diameters measuring device disclosed in the patent document is measured by mechanical structure, when measurement It is not convenient enough.
Therefore, market need a kind of low cost, high-precision, it is easy to operate, time-consuming short, portable the advantages that trees outer diameter survey Measure device.
Summary of the invention
Technical problem to be solved by the present invention lies in propose a kind of trees outer diameter for the above-mentioned deficiency of the prior art Measuring device, the trees external diameter measuring device have many advantages, such as that low cost, high-precision, easy to operate, time-consuming is short, portable.
The trees external diameter measuring device includes:
The scissors ruler as made of first ruler one end and the rotation connection of second ruler one end;First ruler and second is directly Ruler is formed with a rotary joint in junction;
Rope band, described rope band one end are connected to the one end of the first ruler far from rotary joint, and it is straight that the other end is connected to second The one end of ruler far from rotary joint;
It can measure the sensor of angle between the first ruler and the second ruler;
Controller;The controller can calculate the outer diameter of trees to be measured according to the angle of sensor measurement.
Further, it is provided with a display screen on the controller, for showing the trees outer diameter measured.
Further, it is integrated with bluetooth module in the controller, be used for data transfer into host computer.
Further, it is also integrated with storage card in the controller, for storing measurement data.
Further, the controller is mounted on the position of rotary joint.
Further, the controller calculate trees outer diameter to be measured process it is as follows:
According to accounting equation:Calculate radian b;Wherein, b be rope band around The radian of circular arc is formed in trees cross section surface to be measured;A is angle between the first ruler and the second ruler measured by sensor; S is the length of the first ruler and the second ruler;C is the length of rope band;
According to the radian b, the radius r of trees to be measured is calculated;Calculating formula are as follows: r=c/b;
Determine the outside diameter d of trees to be measured, wherein d=2r.
Further, it is integrated with GPS in the controller, for recording the position of trees.
On the other hand, the invention also provides a kind of trees outside diameter measuring method, which is applied to The controller of trees external diameter measuring device, which has is turned by first ruler one end and second ruler one end Dynamic scissors ruler, rope band, the sensor being formed by connecting;First ruler and the second ruler are formed with a rotation in junction and close Section;Described rope band one end is connected to the one end of the first ruler far from rotary joint, and the other end is connected to the second ruler far from rotation The one end in joint;The rope band is wound in the cross section surface of trees to be measured;The trees outside diameter measuring method comprising steps of
Obtain angle between the first ruler and the second ruler of sensor measurement;
According to the outer diameter of the angle calculation of sensor measurement trees to be measured.
Further, according to the outer diameter of the angle calculation of sensor measurement trees to be measured specifically:
According to accounting equation:Calculate radian b;Wherein, b be rope band around In the radian for the circular arc that trees cross section surface to be measured is formed;A is angle between the first ruler and the second ruler measured by sensor Degree;S is the length of the first ruler and the second ruler;C is the length of rope band;
According to the radian b, the radius r of trees to be measured is calculated;Calculating formula are as follows: r=c/b;
Determine the outside diameter d of trees to be measured, wherein d=2r.
The invention proposes a kind of trees external diameter measuring device, which has by first ruler one end With scissors ruler, rope band, sensor made of the rotation connection of second ruler one end;First ruler and the second ruler are in junction It is formed with a rotary joint;Described rope band one end is connected to the one end of the first ruler far from rotary joint, and the other end is connected to The one end of two rulers far from rotary joint;
In measurement, the rope band is wound in the cross section surface of trees to be measured;Controller can be according to sensor measurement Angle calculates the outer diameter of trees to be measured.Therefore, the operation of the trees external diameter measuring device is relatively simple;When trees outside diameter measuring Device can fold up first ruler one end and the second ruler when not needing measurement, be convenient for carrying.
In addition, the trees external diameter measuring device also has the characteristics that measurement efficiency is high, precision is high, easy to operate.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the trees external diameter measuring device shown in an exemplary embodiment.
Fig. 2 is the rough schematic view of the trees external diameter measuring device shown in an exemplary embodiment.
Fig. 3 is geometric representation of the trees external diameter measuring device in measurement shown in an exemplary embodiment.
Fig. 4 is the schematic block diagram of the controller shown in an exemplary embodiment.
Fig. 5 is the flow chart of the trees outside diameter measuring method shown in an exemplary embodiment.
Specific embodiment
It is the specific embodiment of the application and in conjunction with attached drawing below, the technical solution of the application is further described, But the application is not limited to these examples.In the following description, the specific detail of such as specific configuration and component is provided Just for the sake of helping comprehensive understanding embodiments herein.It therefore, it will be apparent to those skilled in the art that can be to retouching here The embodiment stated makes various changes and modifications without departing from the scope and spirit of the present application.In addition, for clarity and brevity, saving The description to known function and construction is omited.
The embodiment of the present invention shows a kind of trees external diameter measuring device, with reference to Fig. 1 and Fig. 2, trees outside diameter measuring dress It sets and includes:
The scissors ruler 10 as made of 11 one end of the first ruler and the rotation connection of 12 one end of the second ruler;First ruler 11 A rotary joint 13 is formed in junction with the second ruler 12;
Rope band 20, described 20 one end of rope band are connected to first one end of ruler 11 far from rotary joint 13, other end connection To second one end of ruler 12 far from rotary joint 13;
It can measure the sensor of angle between the first ruler 11 and the second ruler 12;
Controller 30;The controller 30 can calculate the outer diameter of trees to be measured according to the angle of sensor measurement.
Specifically, 11 one end of the first ruler and 12 one end of the second ruler are hinged.First ruler 11 and the second ruler 12 can be around Rotary joint 13 mutually rotates.
For the trees external diameter measuring device in measurement, scissors ruler 10 remains to substantially horizontal direction, and rope band 20 is wound on In the cross section surface of trees to be measured;At this point, controller 30 obtains the angle between the first ruler 11 and the second ruler 12 from sensor It spends, and calculates the outer diameter of trees to be measured according to the goniometer.Therefore, the operation of the trees external diameter measuring device is relatively simple.
When trees external diameter measuring device does not need measurement, 11 one end of the first ruler and the second ruler 12 can be folded Come, is convenient for carrying.
In addition, the trees external diameter measuring device also has the characteristics that measurement efficiency is high, precision is high, easy to operate.
Fig. 3 is geometric representation of the trees external diameter measuring device in measurement shown in an exemplary embodiment.As schemed Show, the length of the first ruler and the second ruler is s;Rope band is wound in the cross section surface of trees trunk to be measured, length c;Tree Dry radius is r;It is b that rope band, which is wound on trees cross section surface to be measured and forms the radian of circular arc,;Between first ruler and the second ruler Angle be a.
Further, the controller calculate trees outer diameter to be measured process it is as follows:
According to accounting equation:Calculate radian b;Wherein, b be rope band around The radian of circular arc is formed in trees cross section surface to be measured;A is angle between the first ruler and the second ruler measured by sensor; S is the length of the first ruler and the second ruler;C is the length of rope band;
According to the radian b, the radius r of trees to be measured is calculated;Calculating formula are as follows: r=c/b;
Determine the outside diameter d of trees to be measured, wherein d=2r.
It should be noted that regarding the trunk approximation of trees to be measured as a cylinder here, section is similar to a circle; Rope band is wound in trees cross section surface to be measured, and shape is similar to a circular arc.
The outer diameter of trees to be measured can be solved by geometrical relationship;Controller 30 can calculate to be measured according to above-mentioned calculating formula The outside diameter d of trees.
With reference to Fig. 4, controller 30 include processor 31, sensor 32, GPS33, bluetooth 34, display screen 35, key 36, Storage card 37;Power pack includes: battery, power module, switch;
Key 36 can be used for user's input, and microprocessor 31 is used to monitor the operation of key.It can be used for by key defeated Enter operational order, for example, the preservation of data, the removing of data, data are uploaded to host computer.
In some embodiments, it is integrated with bluetooth module 34 in the controller 30, be used for data transfer extremely In host computer.
In some embodiments, it is also integrated with storage card 37 in the controller 30, for storing measurement data.
In some embodiments, the controller 30 is mounted on the position of rotary joint 13.
In some embodiments, it is integrated with GPS in the controller, for recording the position of trees.
In some embodiments, it is provided with a display screen 35 on the controller 30, for showing outside the trees measured Diameter.
The process for measuring trees outer diameter to be measured using trees external diameter measuring device is as follows:
Step 1: after reaching measurement place, opening the switch on controller 30, the first setting measurement place in its main menu Number, re-record measurement place GPS location.
Step 2: the plane that both hands allow the first ruler 11, the second ruler 12,20 three of rope band to be formed is flat with ground as far as possible Row, mobile entire trees external diameter measuring device post rope band 20 in cross section surface;
Step 3: current measured value can be read in display screen on a controller 30, can realize number by operation button According to preservation, removing, etc. operation.
Step 4: repeating above three step, completes the measurement work of a piece of measurement all tree breast-height diameters in place.
Specifically, it is equally measured in Zhejiang A & F University botanical garden: recording GPS location are as follows: 119 ° 43 ' 21"E,30°15'20"N;Data measured is as follows: number 1, outside diameter measuring value 225.6;Number 2, outside diameter measuring value 181.1;Number 3, outside diameter measuring value 150.3;Number 4, outside diameter measuring value 245.2;Number 5, outside diameter measuring value 218.8;Number 6, outside diameter measuring Value 277.9;Number 7, outside diameter measuring value 197.8;Number 8, outside diameter measuring value 143.6;Number 9, outside diameter measuring value 211.9;It compiles Numbers 10;Outside diameter measuring value 163.Outside diameter measuring value unit is millimeter.
To sum up, the structure of the trees external diameter measuring device is simple, easy to carry, and measurement process is very easy.
Fig. 5 is the flow chart of the trees outside diameter measuring method shown in an exemplary embodiment.The trees outside diameter measuring method Applied to the controller of trees external diameter measuring device, which has by first ruler one end and the second ruler Scissors ruler, rope band, sensor made of the rotation connection of one end;First ruler and the second ruler are formed with a rotation in junction Turn joint;Described rope band one end is connected to the one end of the first ruler far from rotary joint, and it is separate that the other end is connected to the second ruler One end of rotary joint;The rope band is wound in the cross section surface of trees to be measured;The trees outside diameter measuring method comprising steps of
Step S501 obtains angle between the first ruler of sensor measurement and the second ruler;
Step S502, according to the outer diameter of the angle calculation of sensor measurement trees to be measured.
Further, according to the outer diameter of the angle calculation of sensor measurement trees to be measured specifically:
According to accounting equation:Calculate radian b;Wherein, b be rope band around In the radian for the circular arc that trees cross section surface to be measured is formed;A is angle between the first ruler and the second ruler measured by sensor Degree;S is the length of the first ruler and the second ruler;C is the length of rope band;
According to the radian b, the radius r of trees to be measured is calculated;Calculating formula are as follows: r=c/b;
Determine the outside diameter d of trees to be measured, wherein d=2r.
It is relevant since the trees outside diameter measuring method shown in the present embodiment is applied to trees external diameter measuring device above-mentioned Content is referring to the description previously with regard to trees external diameter measuring device part, and which is not described herein again.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.

Claims (9)

1. a kind of trees external diameter measuring device, which is characterized in that the trees external diameter measuring device includes:
The scissors ruler as made of first ruler one end and the rotation connection of second ruler one end;First ruler and the second ruler exist Junction is formed with a rotary joint;
Rope band, described rope band one end are connected to the one end of the first ruler far from rotary joint, and it is remote that the other end is connected to the second ruler One end from rotary joint;
It can measure the sensor of angle between the first ruler and the second ruler;
Controller;The controller can calculate the outer diameter of trees to be measured according to the angle of sensor measurement.
2. trees external diameter measuring device according to claim 1, which is characterized in that be provided with a display on the controller Screen, for showing the trees outer diameter measured.
3. trees external diameter measuring device according to claim 1, which is characterized in that be integrated with bluetooth mould in the controller Block is used for data transfer into host computer.
4. trees external diameter measuring device according to claim 1, which is characterized in that be also integrated with storage in the controller Card, for storing measurement data.
5. trees external diameter measuring device according to claim 1, which is characterized in that the controller is mounted on rotary joint Position.
6. trees external diameter measuring device according to claim 1, which is characterized in that the controller calculates outside trees to be measured The process of diameter is as follows:
According to accounting equation:Calculate radian b;Wherein, b be rope band be wound on to Survey the radian that trees cross section surface forms circular arc;A is angle between the first ruler and the second ruler measured by sensor;S is The length of first ruler and the second ruler;C is the length of rope band;
According to the radian b, the radius r of trees to be measured is calculated;Calculating formula are as follows: r=c/b;
Determine the outside diameter d of trees to be measured, wherein d=2r.
7. trees external diameter measuring device according to claim 1, which is characterized in that be integrated with GPS in the controller, use In the position of record trees.
8. a kind of trees outside diameter measuring method, which is characterized in that the trees outside diameter measuring method is filled applied to trees outside diameter measuring The controller set, which has cuts as made of first ruler one end and the rotation connection of second ruler one end Knife ruler, rope band, sensor;First ruler and the second ruler are formed with a rotary joint in junction;Described rope band one end It is connected to the one end of the first ruler far from rotary joint, the other end is connected to the one end of the second ruler far from rotary joint;It is described Rope band is wound in the cross section surface of trees to be measured;The trees outside diameter measuring method comprising steps of
Obtain angle between the first ruler and the second ruler of sensor measurement;
According to the outer diameter of the angle calculation of sensor measurement trees to be measured.
9. trees outside diameter measuring method according to claim 8, which is characterized in that according to the angle calculation of sensor measurement The outer diameter of trees to be measured specifically:
According to accounting equation:Calculate radian b;Wherein, b be rope band be wound on to Survey the radian for the circular arc that trees cross section surface is formed;A is angle between the first ruler and the second ruler measured by sensor;s For the length of the first ruler and the second ruler;C is the length of rope band;
According to the radian b, the radius r of trees to be measured is calculated;Calculating formula are as follows: r=c/b;
Determine the outside diameter d of trees to be measured, wherein d=2r.
CN201910242373.2A 2019-03-28 2019-03-28 Tree outer diameter measuring device and method Active CN110030964B (en)

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CN112066925A (en) * 2020-08-28 2020-12-11 浙江农林大学 Device and method for measuring breast diameter and height of standing tree
CN114674197A (en) * 2022-02-17 2022-06-28 成都飞机工业(集团)有限责任公司 Airplane wire harness bending radius measuring method, device, equipment and medium

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CN112066925A (en) * 2020-08-28 2020-12-11 浙江农林大学 Device and method for measuring breast diameter and height of standing tree
CN114674197A (en) * 2022-02-17 2022-06-28 成都飞机工业(集团)有限责任公司 Airplane wire harness bending radius measuring method, device, equipment and medium

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