CN109540068A - A kind of trees external diameter measuring device and method - Google Patents
A kind of trees external diameter measuring device and method Download PDFInfo
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- CN109540068A CN109540068A CN201811391520.4A CN201811391520A CN109540068A CN 109540068 A CN109540068 A CN 109540068A CN 201811391520 A CN201811391520 A CN 201811391520A CN 109540068 A CN109540068 A CN 109540068A
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- rotary joint
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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
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/10—Measuring 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
Abstract
Present applicant proposes a kind of trees external diameter measuring device and method, which includes: left side ruler, right side ruler, intermediate ruler, controller, first angle sensor, second angle sensor；Wherein, the left side ruler and intermediate ruler are rotatablely connected, and are formed with the first rotary joint in junction；The right side ruler and intermediate ruler are rotatablely connected, and are formed with the second rotary joint in junction；The first angle sensor integration is in the first rotary joint, for measuring the first angle between left side ruler and intermediate ruler；The second angle sensor integration is in the second rotary joint, for measuring the second angle between right side ruler and intermediate ruler；The controller is respectively used to read first angle, second angle from first angle sensor, second angle sensor, and the outer diameter of trees to be measured is calculated according to first angle and second angle.The trees external diameter measuring device has many advantages, such as that structure is simple, easily operated.
Description
Technical field
This application involves 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.Enclose ruler tool
Simply, but gauger's both hands must contact trunk, be not suitable for the larger tree measurement of outer diameter.For a fairly large number of study plot trees
Outside diameter measuring, it usually needs gauger and two people of keeper, which cooperate, to complete, and carries out statistics calculating, process it is time-consuming and it is easy go out
It is wrong.In recent years, be also born some electronic products, such as total station survey, laser scanner, electronic bar code ruler etc., but grasps
It is many to make that complicated, field is inconvenient to carry, the dense place of the woods is not easy to measure, anti-interference is poor, equipment cost is high, measurement efficiency is low etc.
Problem, it is difficult to be widely applied.
Therefore, market need a kind of low cost, high-precision, it is easy to operate, time-consuming short the advantages that trees outside diameter measuring dress
It sets.
Summary of the invention
Technical problems to be solved in this application are, for the above-mentioned deficiency of the prior art, propose a kind of trees outer diameter
Measuring device and method, wherein the trees external diameter measuring device is with structure is simple, easy to operate, measurement efficiency is high, precision is high
The advantages of.
The trees external diameter measuring device includes: left side ruler, right side ruler, intermediate ruler, controller, first angle sensing
Device, second angle sensor；Wherein, the left side ruler and intermediate ruler are rotatablely connected, and are formed with the first rotation in junction
Joint；The right side ruler and intermediate ruler are rotatablely connected, and are formed with the second rotary joint in junction；
The first angle sensor integration is in the first rotary joint, for measuring between left side ruler and intermediate ruler
First angle；The second angle sensor integration is in the second rotary joint, for measuring right side ruler and intermediate ruler
Between second angle；
The controller is respectively used to read first angle, second jiao from first angle sensor, second angle sensor
It spends, and calculates the outer diameter of trees to be measured according to first angle and second angle.
Optionally, the controller is mounted on intermediate ruler.
Optionally, the controller is equipped with display screen, for showing the trees outer diameter measured.
Optionally, it is integrated with bluetooth module in the controller, be used for data transfer into host computer.
Optionally, it is also integrated with storage card in the controller, for storing measurement data.
Optionally, the controller according to first angle α and second angle β calculate trees to be measured outside diameter d process such as
Under:
When α=90 °, β=90 °, the formula that the controller calculates the outside diameter d of trees to be measured is as follows: d=L-w；
When 0 < α < 90 ° and 0 < β < 180 °, or when 0 < β < 90 ° and 0 < α < 180 °, the controller calculates trees to be measured
Outside diameter d formula it is as follows:
When 90 ° < α < 180 ° and 90 ° < β < 180 °, the formula that the controller calculates the outside diameter d of trees to be measured is as follows:
Wherein, γ=180 °-alpha-beta, L be the first rotary joint center of rotation and the second rotary joint center of rotation it
Between distance, left side ruler, right side ruler, intermediate ruler width be w, and left side ruler, intermediate ruler are in length direction
On center line pass through the center of rotation of the first rotary joint, right side ruler, the center line of intermediate ruler in the longitudinal direction are worn
Cross the center of rotation of the second rotary joint.
On the other hand, the application also proposed a kind of trees outside diameter measuring method, which is applied to
The controller of trees external diameter measuring device, the trees external diameter measuring device have left side ruler, right side ruler, intermediate ruler；Institute
It states left side ruler and intermediate ruler is rotatablely connected, be integrated with first angle sensor in the first rotary joint of formation；It is described
Right side ruler and intermediate ruler are rotatablely connected, and are integrated with second angle sensor in the second rotary joint of formation；The left side
Side ruler, intermediate ruler, right side ruler are around tangent on the circumferential surface of a cross section for trees to be measured；The trees outer diameter
Measurement method comprising steps of
First angle is read from first angle sensor, reads second angle from second angle sensor；Wherein, first jiao
Degree is the angle between the left side ruler of first angle sensor measurement and intermediate ruler, and second angle is second angle sensor
Angle between the right side ruler of measurement and intermediate ruler；
The outer diameter of trees to be measured is calculated according to first angle, second angle.
Optionally, the process according to first angle α and second angle the β outside diameter d for calculating trees to be measured is as follows:
When α=90 °, β=90 °, the formula for calculating the outside diameter d of trees to be measured is as follows: d=L-w；
When 0 < α < 90 ° and 0 < β < 180 °, or when 0 < β < 90 ° and 0 < α < 180 °, the outside diameter d of trees to be measured is calculated
Formula is as follows:
When 90 ° < α < 180 ° and 90 ° < β < 180 °, the formula for calculating the outside diameter d of trees to be measured is as follows:
Wherein, γ=180 °-alpha-beta, L be the first rotary joint center of rotation and the second rotary joint center of rotation it
Between distance, left side ruler, right side ruler, intermediate ruler width be w, and left side ruler, intermediate ruler are in length direction
On center line pass through the center of rotation of the first rotary joint, right side ruler, the center line of intermediate ruler in the longitudinal direction are worn
Cross the center of rotation of the second rotary joint.
Present applicant proposes a kind of trees external diameter measuring device and method, which includes: that left side is straight
Ruler, right side ruler, intermediate ruler, controller, first angle sensor, second angle sensor；Wherein, the left side ruler with
Intermediate ruler rotation connection, is formed with the first rotary joint in junction, and be provided with first angle in the first rotary joint
Sensor, for measuring the first angle between left side ruler and intermediate ruler；The right side ruler and intermediate ruler rotation connect
It connects, the second rotary joint is formed in junction, and be provided with second angle sensor in the second rotary joint, for measuring
Second angle between right side ruler and intermediate ruler；Controller is respectively used to sense from first angle sensor, second angle
Device reads first angle, second angle, and the outer diameter of trees to be measured is calculated according to first angle and second angle.
For the trees external diameter measuring device in measurement, left side ruler, intermediate ruler, right side ruler are around tangent to be measured
On the circumferential surface of a cross section for trees, controller calculates the outer diameter of trees to be measured according to first angle and second angle；
Therefore, the operation of the trees external diameter measuring device is relatively simple.When trees external diameter measuring device do not need measurement when, left side
Ruler, intermediate ruler can be folded mutually between the ruler of right side, easy to carry.
In addition, the trees external diameter measuring device also has the advantages that measurement efficiency is high, measurement accuracy is high.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of trees external diameter measuring device shown according to an exemplary embodiment.
Fig. 2 is simplification when a kind of trees external diameter measuring device shown according to an exemplary embodiment is in measuring state
Schematic diagram.
Fig. 3 a to Fig. 3 e is a kind of trees external diameter measuring device shown according to an exemplary embodiment in different measurement shapes
Rough schematic view under state.
Fig. 4 is a kind of schematic block diagram of the controller of trees external diameter measuring device shown according to an exemplary embodiment.
Fig. 5 is a kind of flow chart of trees outside diameter measuring method shown according to 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 application shows a kind of trees external diameter measuring device, with reference to Fig. 1, the trees external diameter measuring device packet
It includes: left side ruler 1, right side ruler 3, intermediate ruler 2, controller 4, first angle sensor, second angle sensor；Wherein,
The left side ruler 1 is rotatablely connected with intermediate ruler 2, is formed with the first rotary joint 5 in junction；The right side ruler 3 with
Intermediate ruler 2 is rotatablely connected, and is formed with the second rotary joint 6 in junction；
The first angle sensor integration is in the first rotary joint 5, for measuring left side ruler 1 and intermediate ruler 2
Between first angle；The second angle sensor integration is in the second rotary joint 6, for measuring right side ruler 3 in
Between second angle between ruler 2；
The controller 40 is respectively used to read first angle, second from first angle sensor, second angle sensor
Angle, and calculate according to first angle and second angle the outer diameter of trees to be measured.
Specifically, in the trees external diameter measuring device, the both ends of intermediate ruler 2 are pivotally attached to left side ruler 1 one respectively
End and 3 one end of right side ruler, and the first rotary joint 50 and the second rotary joint 60 are formed in junction respectively.
Further, the connection between intermediate ruler 2 and left side ruler 1, right side ruler 3 can be hinged.
The trees external diameter measuring device in measurement, left side ruler 1, intermediate ruler 2, right side ruler 3 around it is tangent
On the circumferential surface of a cross section for trees to be measured, controller 40 calculates trees to be measured according to first angle and second angle
Outer diameter.
Therefore, the operation of the trees external diameter measuring device is relatively simple.When trees external diameter measuring device is not needing to measure
When, left side ruler 1, intermediate ruler 2 can be folded mutually between right side ruler 3, easy to carry.
In addition, the trees external diameter measuring device also has the advantages that measurement efficiency is high, measurement accuracy is high.
With reference to Fig. 2, the first angle between left side ruler 1 and intermediate ruler 2 is α, right side ruler 3 and intermediate ruler 2 it
Between second angle be β, L be the first rotary joint 5 center of rotation and the second rotary joint 6 center of rotation between away from
Width from, left side ruler 1, right side ruler 3, intermediate ruler 2 is w, and left side ruler 1, intermediate ruler 2 are in the longitudinal direction
Center line pass through the center of rotation of the first rotary joint 5, right side ruler 3, the center line of intermediate ruler 2 in the longitudinal direction are worn
Cross the center of rotation of the second rotary joint 6.
The trunk of trees to be measured is simplified to a cylindrical body, therefore, cross section can be considered round；The trees outer diameter is surveyed
The measurement for measuring device is located in a cross section of vertical bar.
In some embodiments of the application, the controller 4 calculates to be measured according to first angle α and second angle β
The process of the outside diameter d of trees is as follows:
When α=90 °, β=90 °, the left side ruler 1 of the trees external diameter measuring device, right side ruler 3, intermediate ruler 2
Positional relationship is as shown in Figure 3a, and the formula for the outside diameter d that the controller 4 calculates trees to be measured is as follows: d=L-w；
When 0 < α < 90 ° and 0 < β < 180 °, or when 0 < β < 90 ° and 0 < α < 180 °, a left side for the trees external diameter measuring device
Side ruler 1, right side ruler 3, intermediate ruler 2 positional relationship as shown in Fig. 3 b to Fig. 3 d, the controller 4 calculates trees to be measured
Outside diameter d formula it is as follows:
When 90 ° < α < 180 ° and 90 ° < β < 180 °, the left side ruler 1 of the trees external diameter measuring device, right side ruler 3, in
Between ruler 2 positional relationship it is as shown in Figure 3 e, the formula for the outside diameter d that the controller 4 calculates trees to be measured is as follows:
Wherein, γ=180 °-alpha-beta, L are the center of rotation of the first rotary joint 5 and the center of rotation of the second rotary joint 6
The distance between, left side ruler 1, right side ruler 3, intermediate ruler 2 width be w, and left side ruler 1, intermediate ruler 2 are in length
The center line spent on direction passes through the center of rotation of the first rotary joint 5, and right side ruler 3, intermediate ruler 2 are in the longitudinal direction
Center line passes through the center of rotation of the second rotary joint 6.
In some embodiments of the application, the controller 4 is mounted on intermediate ruler 2.
Controller 4 is integrated with above-mentioned calculation formula in inside, to calculate the outside diameter d of trees to be measured.It should be noted that
The calculation formula of the outside diameter d of above-mentioned trees to be measured is obtained by plane geometry relationship.
With reference to Fig. 4, controller 4 has microprocessor 41, display screen 42, key 43, SD card 44, bluetooth module 45, switch
46, power module 47, battery 48.The controller 4 is also connected with first angle sensor 7 and second angle sensor 8, and first jiao
The metrical information of first angle and second angle is transmitted to micro- place of the controller 4 by degree sensor 7 and second angle sensor 8
Device 41 is managed, microprocessor 41 calculates the outside diameter d of trees to be measured according to first angle and second angle.
External charger 9 charges to battery 48 by power module 47, and power module 47 is used for each functional module
Power supply, each functional module include at least microprocessor 41, display screen 42；In addition, power module 47 can also be used in first jiao
Degree sensor 7 and second angle sensor 8 are powered.Power module 47 also has charge protection protection, discharge prevention, liter
The functions such as pressure, decompression.In addition, the lithium battery of 3.7V can be used in battery 48.
In some embodiments of the application, the controller 4 is equipped with display screen 42, for showing the tree measured
The wooden outer diameter.It, can it will be shown on display screen 42 after microprocessor calculates the outside diameter d of trees to be measured.
Key 43 can be used for user's input, and microprocessor 41 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 of the application, it is integrated with bluetooth module in the controller 4, for passing measurement data
It transports in host computer.Measurement data can be focused in host computer.
In some embodiments of the application, it is also integrated with storage card in the controller 4, for storing measurement number
According to.The storage card can be SD card 44.
It is that the trees external diameter measuring device one illustratively uses step below:
Step 1: opening the switch on controller 4, opens left side ruler 1, right side ruler 3, intermediate ruler 2 are constituted three
Segmentation folding rule makes the angle between adjacent ruler in 180 °, then close to trees.
Step 2: mobile intermediate ruler 2 keeps it tangent with trees cylinder.
Step 3: it is tangent with trees cylinder that rotation left side ruler 1 makes it, while keeping intermediate ruler 2 and trees cylinder phase
The state cut.
Step 4: rotation right side ruler 3, it is tangent with trees cylinder to make it, at the same keep intermediate ruler 2, left side ruler 1 with
The tangent state of trees cylinder.
Step 5: can be read current measured value on the display screen of controller 4, can realize data by operation button
The operations such as preservation, removing, upload.
For example, L is 30cm, w 3cm；The maximum range of first angle sensor and second angle sensor be 360 °, 12
The Measurement Resolution of position, so theoretical minimum precision is 360 °/2120.088 ° of ≈, four are carried out to the angle measured in single-chip microcontroller
House five gets 0.1 ° of position and carries out operation after entering.
When first angle sensor measurement first angle α be 72.9 °, the second angle β of second angle sensor measurement
When being 64.3 °, formula of the basis of the controller 4 when 0 < α < 90 ° and 0 < β < 180 ° is calculated, and calculated result is
18.87cm。
When first angle sensor measurement first angle α be 118.6 °, the second angle β of second angle sensor measurement
When being 127.8 °, formula of the basis of the controller 4 when 90 ° < α < 180 ° and 90 ° < β < 180 ° is calculated, and calculates knot
Fruit is 53.86cm.
To sum up, the main structure of the trees external diameter measuring device is only by left side ruler 1, intermediate ruler 2,3 structure of right side ruler
At structure is simple, easy to operate efficient.
On the other hand, the embodiment of the present application also shows a kind of trees outside diameter measuring method, the trees outside diameter measuring method
Applied to the controller of trees external diameter measuring device, which has left side ruler, right side ruler, centre straight
Ruler；The left side ruler and intermediate ruler are rotatablely connected, and are integrated with first angle sensor in the first rotary joint of formation；
The right side ruler and intermediate ruler are rotatablely connected, and are integrated with second angle sensor in the second rotary joint of formation；Institute
Left side ruler, intermediate ruler, right side ruler are stated around tangent on the circumferential surface of a cross section for trees to be measured；With reference to Fig. 5,
The trees outside diameter measuring method comprising steps of
Step S501, reads first angle from first angle sensor, reads second angle from second angle sensor；Its
In, first angle is the angle between the left side ruler of first angle sensor measurement and intermediate ruler, second angle second
Angle between the right side ruler of angular transducer measurement and intermediate ruler；
Step S502 calculates the outer diameter of trees to be measured according to first angle, second angle.
Further, the process according to first angle α and second angle the β outside diameter d for calculating trees to be measured is as follows:
When α=90 °, β=90 °, the formula for calculating the outside diameter d of trees to be measured is as follows: d=L-w；
When 0 < α < 90 ° and 0 < β < 180 °, or when 0 < β < 90 ° and 0 < α < 180 °, the outside diameter d of trees to be measured is calculated
Formula is as follows:
When 90 ° < α < 180 ° and 90 ° < β < 180 °, the formula for calculating the outside diameter d of trees to be measured is as follows:
Wherein, γ=180 °-alpha-beta, L be the first rotary joint center of rotation and the second rotary joint center of rotation it
Between distance, left side ruler, right side ruler, intermediate ruler width be w, and left side ruler, intermediate ruler are in length direction
On center line pass through the center of rotation of the first rotary joint, right side ruler, the center line of intermediate ruler in the longitudinal direction are worn
Cross the center of rotation of the second rotary joint.
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 to give an example to the application spirit.The affiliated technology neck of the application
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
Generation, but without departing from spirit herein or beyond the scope of the appended claims.
Claims (8)
1. a kind of trees external diameter measuring device, which is characterized in that the trees external diameter measuring device includes: that left side ruler, right side are straight
Ruler, intermediate ruler, controller, first angle sensor, second angle sensor；Wherein, the left side ruler and intermediate ruler
Rotation connection, is formed with the first rotary joint in junction；The right side ruler and intermediate ruler are rotatablely connected, in junction shape
At there is the second rotary joint；
The first angle sensor integration is in the first rotary joint, for measuring the between left side ruler and intermediate ruler
One angle；The second angle sensor integration is in the second rotary joint, for measuring between right side ruler and intermediate ruler
Second angle；
The controller is respectively used to read first angle, second angle from first angle sensor, second angle sensor, and
The outer diameter of trees to be measured is calculated according to first angle and second angle.
2. trees external diameter measuring device according to claim 1, which is characterized in that the controller is mounted on intermediate ruler
On.
3. trees external diameter measuring device according to claim 1, which is characterized in that the controller is equipped with display screen,
For showing the trees outer diameter measured.
4. 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.
5. 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.
6. trees external diameter measuring device according to claim 1, which is characterized in that the controller is according to first angle α
The process for calculating the outside diameter d of trees to be measured with second angle β is as follows:
When α=90 °, β=90 °, the formula that the controller calculates the outside diameter d of trees to be measured is as follows: d=L-w；
When 0 < α < 90 ° and 0 < β < 180 °, or when 0 < β < 90 ° and 0 < α < 180 °, the controller calculates the outer of trees to be measured
The formula of diameter d is as follows:
When 90 ° < α < 180 ° and 90 ° < β < 180 °, the formula that the controller calculates the outside diameter d of trees to be measured is as follows:
Wherein, γ=180 °-alpha-beta, L are between the center of rotation of the first rotary joint and the center of rotation of the second rotary joint
Distance, left side ruler, right side ruler, intermediate ruler width be w, and left side ruler, intermediate ruler are in the longitudinal direction
Center line passes through the center of rotation of the first rotary joint, and right side ruler, the center line of intermediate ruler in the longitudinal direction pass through the
The center of rotation of two rotary joints.
7. 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, the trees external diameter measuring device have left side ruler, right side ruler, intermediate ruler；The left side ruler is in
Between ruler be rotatablely connected, be integrated with first angle sensor in the first rotary joint of formation；The right side ruler and centre
Ruler rotation connection, is integrated with second angle sensor in the second rotary joint of formation；The left side ruler, centre are straight
Ruler, right side ruler are around tangent on the circumferential surface of a cross section for trees to be measured；The trees outside diameter measuring method includes
Step:
First angle is read from first angle sensor, reads second angle from second angle sensor；Wherein, first angle is
Angle between the left side ruler of first angle sensor measurement and intermediate ruler, second angle are second angle sensor measurement
Right side ruler and intermediate ruler between angle；
The outer diameter of trees to be measured is calculated according to first angle, second angle.
8. trees outside diameter measuring method according to claim 7, which is characterized in that according to first angle α and second angle β
The process for calculating the outside diameter d of trees to be measured is as follows:
When α=90 °, β=90 °, the formula for calculating the outside diameter d of trees to be measured is as follows: d=L-w；
When 0 < α < 90 ° and 0 < β < 180 °, or when 0 < β < 90 ° and 0 < α < 180 °, the formula of the outside diameter d of trees to be measured is calculated such as
Under:
When 90 ° < α < 180 ° and 90 ° < β < 180 °, the formula for calculating the outside diameter d of trees to be measured is as follows:
Wherein, γ=180 °-alpha-beta, L are between the center of rotation of the first rotary joint and the center of rotation of the second rotary joint
Distance, left side ruler, right side ruler, intermediate ruler width be w, and left side ruler, intermediate ruler are in the longitudinal direction
Center line passes through the center of rotation of the first rotary joint, and right side ruler, the center line of intermediate ruler in the longitudinal direction pass through the
The center of rotation of two rotary joints.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811391520.4A CN109540068A (en) | 2018-11-21 | 2018-11-21 | A kind of trees external diameter measuring device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811391520.4A CN109540068A (en) | 2018-11-21 | 2018-11-21 | A kind of trees external diameter measuring device and method |
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| CN109540068A true CN109540068A (en) | 2019-03-29 |
Family
ID=65849017
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| CN201811391520.4A Pending CN109540068A (en) | 2018-11-21 | 2018-11-21 | A kind of trees external diameter measuring device and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110470208A (en) * | 2019-08-13 | 2019-11-19 | 浙江农林大学 | A kind of standing tree tree breast diameter survey method and device |
| CN110608697A (en) * | 2019-11-04 | 2019-12-24 | 云南电网有限责任公司电力科学研究院 | Distance measuring device |
| 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 |
| CN112985232A (en) * | 2021-04-28 | 2021-06-18 | 唐源盛 | Tool, system and method for quickly measuring breast diameter of forest tree |
| CN113959300A (en) * | 2021-05-31 | 2022-01-21 | 河南省林业科学研究院 | Intelligent triangular caliper trunk diameter measuring device and method |
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2018
- 2018-11-21 CN CN201811391520.4A patent/CN109540068A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110470208A (en) * | 2019-08-13 | 2019-11-19 | 浙江农林大学 | A kind of standing tree tree breast diameter survey method and device |
| CN110470208B (en) * | 2019-08-13 | 2021-05-07 | 浙江农林大学 | Stumpage breast diameter measuring method and device |
| CN110608697A (en) * | 2019-11-04 | 2019-12-24 | 云南电网有限责任公司电力科学研究院 | Distance measuring device |
| 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 |
| CN112985232A (en) * | 2021-04-28 | 2021-06-18 | 唐源盛 | Tool, system and method for quickly measuring breast diameter of forest tree |
| CN112985232B (en) * | 2021-04-28 | 2022-12-09 | 唐源盛 | Tool, system and method for quickly measuring breast diameter of forest |
| CN113959300A (en) * | 2021-05-31 | 2022-01-21 | 河南省林业科学研究院 | Intelligent triangular caliper trunk diameter measuring device and method |
| CN113959300B (en) * | 2021-05-31 | 2023-09-12 | 河南省林业科学研究院 | Trunk diameter measuring device and method for intelligent triangular caliper |
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