CN113295100A - Tree height and crown width measuring device and measuring method thereof - Google Patents
Tree height and crown width measuring device and measuring method thereof Download PDFInfo
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- CN113295100A CN113295100A CN202110524335.3A CN202110524335A CN113295100A CN 113295100 A CN113295100 A CN 113295100A CN 202110524335 A CN202110524335 A CN 202110524335A CN 113295100 A CN113295100 A CN 113295100A
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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
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
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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
- G01B21/22—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 angles or tapers; for testing the alignment of axes
Abstract
The invention relates to a tree height and crown width measuring device and a measuring method thereof. The angle adjusting knob on the crown width measuring device is used for controlling the crown width measuring device to rotate around the rotation axis and the tree height measuring device to rotate up and down relative to the crown width measuring device. The crown breadth angle sensor is used for monitoring the rotation angle alpha of the crown breadth measuring equipment main body in real time, the crown breadth laser range finder is used for measuring the distance H between the crown breadth measuring equipment main body and the tree crown in real time, the tree height angle sensor is used for monitoring the rotation angle beta of the tree height measuring equipment main body in vertical rotation in real time, and the tree height laser range finder is used for measuring the distance H between the tree height measuring equipment main body and the tree crown in real time. The data processing module is used for receiving the rotation angle alpha, the distance H, the rotation angle beta and the distance H in real time and calculating the crown width and the tree height. The method has the advantages of realizing automatic measurement of tree height and crown width and high-precision measurement of automatic calculation.
Description
Technical Field
The invention relates to the technical field of tree measurement, in particular to a tree height and crown width measuring device and a measuring method thereof.
Background
In forestry investigation, the tree height and crown width are important indexes for evaluating the quality of trees. Wherein, the height of the tree refers to the distance between the rootstock above the ground and the top of the crown, and the width of the crown refers to the width of the part formed by the branches and leaves above the trunk.
Currently, the commonly used tree height measuring tools are a brulai height measuring device and a kristin height measuring device, but the measuring errors of the two height measuring devices are large. Patent document CN209727051 discloses an instrument for rapidly measuring tree height and crown width, which needs an external power supply and is not suitable for field measurement. The patent document CN206818104 discloses a novel tree height measuring device based on a brulai height measuring device, which needs to manually determine the horizontal distance from a measuring point to a tree to be measured, is time-consuming and labor-consuming, and can only realize single measurement of the tree height. Patent No. CN103162635 discloses a device for measuring crown width and crown height by using a camera, which requires a cross ruler to assist in measuring the crown width and crown width, and also requires manual calculation of numerical values, which is labor-consuming.
Therefore, a high-precision measuring device capable of simultaneously realizing automatic measurement and automatic calculation of the tree height and the crown width is lacking at present.
Disclosure of Invention
Technical problem to be solved
In view of the above disadvantages and shortcomings of the prior art, the present invention provides a tree height and crown width measuring device and a measuring method thereof, which solves the problems that the existing tree height and crown width measuring device requires manual auxiliary measurement and calculation, is complicated in operation and low in precision, and also solves the technical problems that the existing tree height and crown width measuring device cannot simultaneously realize automatic measurement and high-precision measurement of automatic calculation of the tree height and crown width.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
in a first aspect, an embodiment of the present invention provides a tree height and crown width measuring apparatus, including a tree height measuring device, a crown width measuring device, and a data processing module, where the tree height measuring device is located above the crown width measuring device;
the coronary amplitude measuring equipment comprises a coronary amplitude measuring equipment main body, an angle adjusting knob, a coronary amplitude angle sensor, a coronary amplitude laser distance meter and a coronary amplitude termination button, wherein the angle adjusting knob, the coronary amplitude angle sensor and the coronary amplitude termination button are arranged on the coronary amplitude measuring equipment main body, and the coronary amplitude laser distance meter is positioned on the side surface of the coronary amplitude measuring equipment main body;
the tree height measuring device comprises a tree height measuring device main body, a tree height angle sensor, a tree height laser range finder and a tree height termination button, wherein the tree height angle sensor and the tree height termination button are arranged on the tree height measuring device main body, and the tree height laser range finder is positioned on the side surface of the tree height measuring device main body;
the angle adjusting knob is used for controlling the crown width measuring equipment to rotate around a rotation axis and controlling the tree height measuring equipment to rotate up and down relative to the crown width measuring equipment;
the crown breadth angle sensor and the crown breadth laser range finder are respectively electrically connected with the data processing module and the crown breadth termination button, and the tree height angle sensor and the tree height laser range finder are respectively electrically connected with the data processing module and the tree height termination button;
the crown width angle sensor is used for monitoring the rotation angle alpha of the crown width measuring equipment body rotating around the rotation axis in real time, the crown width laser range finder is used for measuring the distance H between the crown width measuring equipment body and the tree crown in real time, the tree height angle sensor is used for monitoring the rotation angle beta of the tree height measuring equipment body during up-and-down rotation in real time, and the tree height laser range finder is used for measuring the distance H between the tree height measuring equipment body and the tree crown in real time;
the tree height stopping button is used for controlling the tree height angle sensor and the crown laser range finder to stop working;
the data processing module is used for receiving the rotation angle alpha, the distance H, the rotation angle beta and the distance H in real time and calculating the crown width and the tree height.
According to the invention, the crown measuring device further comprises a rotating member, the rotating member is a cylinder, and the longitudinal axis of the rotating member is the rotation axis;
the rotation piece is located the bottom of the crown width measuring equipment main body, the rotation piece can drive the crown width measuring equipment main body and the tree height measuring equipment main body synchronously wind the rotation axis rotates and synchronously rotates up and down.
According to the invention, the tree height measuring equipment further comprises a linkage structure, and the tree height measuring equipment main body and the crown width measuring equipment main body are connected through the linkage structure;
rotating the angle adjusting knob, the crown width measuring apparatus main body rotates around the rotation axis, and simultaneously, the tree height measuring apparatus main body rotates upward relative to the crown width measuring apparatus main body.
According to the invention, the crown width measuring device further comprises a connecting piece, one end of the connecting piece is fixed on the crown width measuring device main body, and the other end of the connecting piece is rotatably connected with the tree height measuring device main body.
According to the present invention, the tree height measuring apparatus further comprises a sighting telescope located at the top of the tree height measuring apparatus main body.
According to the invention, the device also comprises a bracket positioned below the crown width measuring device.
According to the invention, the support is a tripod support with adjustable height and width.
According to the invention, the device also comprises a display screen;
the display screen with data processing module electric connection, data processing module with the data transmission of crown width and tree height to the display screen, the display screen is used for showing the data of crown width and tree height.
In a second aspect, an embodiment of the present invention further provides a measurement method using the tree height and crown width measurement apparatus, where the measurement method includes:
s1: when in the initial position, the crown breadth laser range finder and the tree height laser range finder face the crown;
s2: a rotation angle adjusting knob, the crown width measuring apparatus main body rotating around the rotation axis, the tree height measuring apparatus main body rotating upward;
the crown breadth angle sensor monitors the rotation angle alpha of the crown breadth measuring equipment body rotating around the rotation axis in real time, and the crown breadth laser range finder measures the distance h between the crown breadth measuring equipment body and the crown in real time;
the tree height angle sensor monitors the rotation angle beta of the vertical rotation of the tree height measuring equipment main body in real time, and the tree height laser range finder measures the distance H between the tree height measuring equipment main body and the crown in real time;
s3: when the crown width measuring equipment main body corresponds to one side of the crown in the width direction, the crown width stopping button is pressed down, the crown width angle sensor and the crown width laser range finder stop working, and the data processing module records that the rotating angle at the moment is alpha1A distance of h1；
When the crown width measuring equipment main body rotates to the other side corresponding to the width direction of the crown from the initial position, the crown width stopping button is pressed, the crown width angle sensor and the crown width laser range finder stop working, and the data processing module records that the rotating angle at the moment is alpha2A distance of h2；
The data processing module calculates the crown width of the crown by the following formula:
h1×sinα1+h2×sinα2
when the tree height measuring device main body corresponds to the top of the tree crown, the tree height termination button is pressed, the tree height angle sensor and the tree height laser range finder stop working, and the data processing module records that the rotation angle at the moment is beta1A distance of H1；
The data processing module calculates the tree height by the following formula:
H2+H1×sinβ1
wherein H2Indicating the distance of the tree height measuring device body to the ground.
(III) advantageous effects
The invention has the beneficial effects that: according to the tree height and crown width measuring device and the measuring method thereof, the crown width measuring equipment can be controlled to rotate around the rotation axis through the rotation angle adjusting knob, the rotation angle alpha of the crown width measuring equipment body rotating around the rotation axis is monitored in real time through the crown width angle sensor arranged on the crown width measuring equipment body, the distance h between the crown width measuring equipment body and a tree crown is measured in real time through the crown width laser distance meter arranged on the side surface of the crown width measuring equipment body, and the rotation angle alpha and the distance h are received in real time through the data processing module. When the crown width measuring equipment main body rotates to one side corresponding to the width direction of the crown from the initial position, the crown width angle sensor and the crown width laser range finder stop working by pressing the crown width stop button, and the data processing module records the rotating angle at the moment as alpha1A distance of h1. When the crown width measuring equipment main body rotates from the initial position to the other side corresponding to the width direction of the crown, the crown width angle sensor and the crown width laser range finder stop working by pressing the crown width stop button, and the data processing module records the rotating angle at the moment as alpha2A distance of h2. The data processing module is alpha according to the rotation angle1Distance h1Angle of rotation of alpha2And a distance h2And calculating the crown width of the tree to be detected. The automatic measurement and automatic calculation of the crown width of the tree to be measured in the tree height and crown width measurement device are realized, and the measurement precision of the crown width is further ensured.
Secondly, the tree height and crown width measuring device provided by the invention can control the tree height measuring equipment to rotate upwards relative to the support through the rotation angle adjusting knob, the rotating angle beta of the vertical rotation of the tree height measuring equipment main body is monitored in real time through the tree height angle sensor arranged on the tree height measuring equipment main body, and the tree height laser range finder arranged on one side of the tree height measuring equipment main body is used for measuring in real timeThe distance H between the tree height equipment main body and the crown is obtained, and the data processing module receives the rotation angle beta and the distance H in real time. When the tree height measuring device main body rotates from the initial position to the top corresponding to the crown, the tree height angle sensor and the tree height laser range finder stop working by pressing the tree height stop button, and the data processing module records that the rotating angle at the moment is beta1A distance of H1And further calculating the tree height of the tree to be detected. The tree height measuring device has the advantages that the automatic measurement and automatic calculation of the tree height of the tree to be measured in the tree height and crown width measuring device are realized, and the measurement precision of the tree height is further ensured.
Drawings
FIG. 1 is a schematic view of measuring the height of a tree when the bottom of the crown of the tree to be measured is lower than the height and crown width measuring device of the present invention;
FIG. 2 is an enlarged schematic view of FIG. 1 at A;
FIG. 3 is a schematic top view of the apparatus of FIG. 1 for measuring a crown web;
fig. 4 is a schematic view of measuring the height of the tree when the bottom of the crown of the tree to be measured is higher than the height and crown width measuring device of the present invention.
[ description of reference ]
1: a crown width measuring device; 11: a crown width measuring apparatus main body; 12: an angle adjusting knob; 13: a crown amplitude angle sensor; 14: a crown width laser range finder; 15: a banner end button; 16: a connecting member; 17: a rotating member;
2: a tree height measuring device; 21: a tree height measuring apparatus main body; 22: a tree height angle sensor; 23: a tree height laser rangefinder; 24: a tree height end button; 25: a sighting telescope;
3: a data processing module;
4: a display screen;
5: a support;
6: a tree to be detected; 61: a crown;
α1: the rotation angle when the crown width measuring equipment main body rotates to one side of the width direction of the crown of the tree to be measured from the initial position around the rotation axis;
α2: crown width measuring equipment main bodyThe rotation angle when the tree crown rotates to the other side of the width direction of the crown corresponding to the tree to be detected from the initial position around the rotation axis;
β1: the tree height measuring equipment main body rotates upwards from the initial position to a rotating angle corresponding to the top of the crown of the tree to be measured;
h1: when the crown width measuring device main body rotates around the rotation axis from the initial position to one side of the width direction of the crown corresponding to the tree to be measured, the distance between the crown width measuring device main body and the crown is measured;
h2: when the crown width measuring device main body rotates around the rotation axis from the initial position to the other side of the crown width direction corresponding to the tree to be measured, the distance between the crown width measuring device main body and the crown is measured;
H1: when the tree height measuring equipment main body rotates upwards from the initial position to the top of the crown corresponding to the tree to be measured, the distance between the tree height measuring equipment main body and the crown is increased;
H2: the tree height measures the distance between the device body and the ground.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings. As used herein, the terms "upper", "lower", and the like are used with reference to the orientation of FIG. 1.
Referring to fig. 1 to 4, the tree height and crown width measuring device according to the embodiment of the present invention includes a support 5, a tree height measuring apparatus 2, a crown width measuring apparatus 1, a data processing module 3, and a display screen 4. The tree height measuring equipment 2 and the crown width measuring equipment 1 are sequentially arranged above the bracket 5 from top to bottom. Crown width measuring equipment 1 and tree height measuring equipment 2 are equally divided and are respectively connected with data processing module 3, data processing module 3 and display screen 4 electric connection.
Referring to fig. 1 and 4, a support 5 is shown for supporting the tree height measuring device 2 and the crown width measuring device 1. The crown width measuring device 1 and the tree height measuring device 2 can synchronously rotate horizontally and vertically relative to the support 5 to rotate the tree height and crown width measuring device to correspond to the crown 61 of the tree 6 to be measured. The crown width measuring apparatus 1 is rotatable about the rotation axis to measure a rotation angle α of the crown width measuring apparatus 1 about the rotation axis, and a distance h between the crown width measuring apparatus 1 and the crown 61. The tree height measuring apparatus 2 can be rotated up and down relative to the crown width measuring apparatus 1 to measure a rotation angle β of the up and down rotation of the tree height measuring apparatus 2 and a distance H between the tree height measuring apparatus 2 and the crown 61. The data processing module 3 receives the rotation angle alpha and the distance H sent by the crown width measuring equipment 1 and the rotation angle beta and the distance H sent by the tree height measuring equipment 2 in real time. The data processing module 3 calculates the crown width through the rotation angle alpha and the distance H, calculates the tree height through the rotation angle beta and the distance H, and sends data of the crown width and the tree height to the display screen 4, and the display screen 4 is used for displaying the data of the crown width and the tree height.
Referring to fig. 1 and 4, further, the stand 5 is a tripod stand adjustable in height and width to suit various terrains.
Referring to fig. 2, further, the crown width measuring apparatus 1 includes a crown width measuring apparatus main body 11, an angle adjusting knob 12, a crown width angle sensor 13, a crown width laser rangefinder 14, a crown width end button 15, a connecting member 16, and a rotating member 17.
The angle adjusting knob 12, the crown angle sensor 13, and the crown end button 15 are provided on the crown measuring apparatus main body 11. The crown width laser range finder 14 is located on the side of the crown width measuring apparatus main body 11. One end of the connecting piece 16 is fixed on the top of the crown width measuring device body 11. The rotating member 17 is a cylinder, is located at the bottom of the crown width measuring apparatus main body 11, and is located between the crown width measuring apparatus main body 11 and the bracket 5, and the longitudinal axis of the rotating member 17 is the rotation axis of the crown width measuring apparatus main body 11. The rotating member 17 can drive the crown width measuring device main body 11 and the tree height measuring device 2 to synchronously rotate around the rotation axis and rotate up and down relative to the support 5. The crown breadth angle sensor 13 and the crown breadth laser range finder 14 are respectively electrically connected with the crown breadth termination button 15 and the data processing module 3.
The angle adjusting knob 12 is used to control the crown-web measuring apparatus body 11 to rotate about the rotation axis. The crown breadth angle sensor 13 is used for monitoring the rotation angle alpha of the crown breadth measuring equipment main body 11 rotating around the rotation axis and sending the rotation angle alpha to the data processing module 3 in real time. The crown width laser distance measuring instrument 14 is used for measuring the distance h between the crown width measuring device main body 11 and one side of the crown 61 in the width direction, and sending the distance h to the data processing module 3 in real time. The crown width end button 15 is used for controlling the crown width angle sensor 13 to stop monitoring the rotation angle alpha and the crown width laser range finder 14 to stop measuring the distance h.
Referring to fig. 2, further, the tree height measuring device 2 includes a tree height measuring device main body 21, a tree height angle sensor 22, a tree height laser rangefinder 23, a sighting telescope 25, and a tree height end button 24.
Specifically, the tree height measuring apparatus main body 21 is rotatably attached to the other end of the connecting member 16, and the tree height measuring apparatus main body 21 can be rotated up and down with respect to the crown width measuring apparatus main body 11.
The tree height measuring apparatus main body 21 and the crown width measuring apparatus main body 11 are connected by a link mechanism. The angle adjusting knob 12 controls the tree height measuring apparatus main body 21 and the crown width measuring apparatus main body 11 to rotate synchronously through a linkage mechanism. The rotation angle adjusting knob 12 rotates the crown width measuring apparatus main body 11 around the rotation axis, and at the same time, the tree height measuring apparatus main body 21 rotates upward relative to the crown width measuring apparatus main body 11, thereby reducing the number of structural members to facilitate user operation.
Specifically, the tree height angle sensor 22 is provided on the tree height measuring apparatus main body 21, the tree height laser rangefinder 23 is located on the side of the tree height measuring apparatus main body 21, and the sighting telescope 25 is located on the top of the tree height measuring apparatus main body 21. The tree height angle sensor 22 and the tree height laser rangefinder 23 are electrically connected to the data processing module 3 and the tree height end button 24, respectively.
When the tree height measuring device main body 21 is controlled to rotate upwards relative to the crown width measuring device main body 11 through the angle adjusting knob 12, the tree height angle sensor 22 monitors the rotating angle beta of the tree height measuring device main body 21 in real time in an up-and-down rotating mode, data of the rotating angle beta are sent to the data processing module 3 in real time, and the tree height laser range finder 23 is used for measuring the distance H between the tree height measuring device main body 21 and the top of the tree crown 61 and sending the distance H to the data processing module 3 in real time. The tree height end button 24 is used to control the tree height angle sensor 22 and the tree height laser rangefinder 23 to stop working.
Referring to fig. 1, further, according to the position relationship between the tree height and crown width measuring device and the crown 61 of the tree 6 to be measured, the tree height measuring and crown width measuring method includes the following two methods:
the first method is as follows: when the bottom of the crown 61 is lower than the top of the tree height and crown width measuring device, the measuring mode of the tree height and crown width measuring device is as follows:
firstly, the tree height and crown width measuring device is arranged at a position with a certain distance from the tree 6 to be measured, and the height and the width of the bracket 5 are adjusted to ensure that the tree height and crown width measuring device is kept stable. The rotating part 17 is rotated horizontally to drive the crown width measuring device main body 11 and the tree height measuring device main body 21 to synchronously rotate horizontally until the crown width laser distance measuring instrument 14 and the tree height laser distance measuring instrument 23 face the crown 61 of the tree 6 to be measured, and the position is an initial position.
Then, by rotating the angle adjusting knob 12, the crown-width measuring apparatus body 11 is rotated about the rotation axis, and at the same time, the tree-height measuring apparatus body 21 is rotated upward relative to the crown-width measuring apparatus body 11. The crown breadth angle sensor 13 monitors the rotation angle alpha of the crown breadth measuring device main body 11 rotating around the rotation axis in real time, sends the rotation angle alpha to the data processing module 3 in real time, and the crown breadth laser range finder 14 measures the crown breadth distance h between the crown breadth device main body and the tree crown 61 and sends the distance h to the data processing module 3 in real time. The tree height angle sensor 22 monitors the rotation angle β of the vertical rotation of the tree height measuring device main body 21 in real time, and sends the rotation angle β to the data processing module 3 in real time, and the tree height laser range finder 23 measures the distance H between the tree height measuring device main body and the tree crown 61, and sends the distance H to the data processing module 3 in real time.
(1) When the crown width measuring apparatus main body 11 is first rotated to one side corresponding to the width direction of the crown 61, the operation is as follows:
referring to fig. 3, when one side of the crown width measuring apparatus body 11 corresponding to the width direction of the crown 61 is observed through the sighting telescope 25, the crown width end button 15 is pressed, the crown width angle sensor 13 and the crown width laser range finder 14 stop working, and the data processing module3 recording the rotation angle at this time as alpha1A distance of h1. Continuing to rotate the angle adjusting knob 12, the crown width measuring device body 11 rotates around the rotation axis, the tree height measuring device body 21 rotates upward relative to the crown width measuring device body 11, and at this time, the crown width angle sensor 13 and the crown width laser range finder 14 stop working. Referring to FIG. 1, when the tree height measuring apparatus main body 21 is viewed through the sighting telescope 25 with respect to the top of the crown 61, the tree height end button 24 is pressed, the tree height angle sensor 22 and the tree height laser range finder 23 are stopped, and the data processing module 3 records that the rotation angle is β at this time1A distance of H1。
Subsequently, the rotation member 17 is horizontally rotated to drive the crown width measuring device main body 11 and the tree height measuring device 2 to synchronously horizontally rotate to the crown width laser range finder 14 and the tree height laser range finder 23 to face the tree 6 to be measured, namely, the tree height and the crown width measuring device are returned to the initial position.
Referring to fig. 3, next, the rotation angle adjusting knob 12 is rotated, the crown width measuring apparatus body 11 is rotated around the rotation axis, the other side of the crown width measuring apparatus body 11 corresponding to the width direction of the crown 61 is observed through the sighting telescope 25, the crown width end button 15 is pressed, the crown width angle sensor 13 and the crown width laser range finder 14 are stopped, and the data processing module 3 records that the rotation angle at this time is α2A distance of h2。
(2) When the tree height measuring apparatus main body 21 is first rotated to correspond to the top of the crown 61, the operation method is as follows:
referring to FIG. 1, when the tree height measuring apparatus main body 21 is viewed through the sighting telescope 25 with respect to the top of the crown 61, the tree height end button 24 is pressed, the tree height angle sensor 22 and the tree height laser range finder 23 are stopped, and the data processing module 3 records that the rotation angle is β at this time1A distance of H1. Continuing to rotate the angle adjusting knob 12, the crown-width measuring apparatus body 11 is rotated about the rotation axis, and the tree-height measuring apparatus body 21 is rotated upward relative to the crown-width measuring apparatus body 11. Referring to FIG. 3, when the side of the crown width measuring apparatus main body 11 corresponding to the width direction of the crown 61 is observed through the scope 25, the crown width end button 15 is pressed, and the crown width angle is measuredThe sensor 13 and the crown laser range finder 14 stop working, and the data processing module 3 records that the rotation angle at the moment is alpha1A distance of h1。
Subsequently, the rotating part 17 is horizontally rotated to drive the crown width measuring device 1 and the tree height measuring device 2 to synchronously horizontally rotate until the crown width laser range finder 14 and the tree height laser range finder 23 face the tree 6 to be measured, namely, the tree height and the crown width measuring device are restored to the initial position.
Referring to fig. 3, next, the rotation angle adjusting knob 12 is rotated, the crown width measuring apparatus body 11 is rotated around the rotation axis, the other side of the crown width measuring apparatus body 11 corresponding to the width direction of the crown 61 is observed through the sighting telescope 25, the crown width end button 15 is pressed, the crown width angle sensor 13 and the crown width laser range finder 14 are stopped, and the data processing module 3 records that the rotation angle at this time is α2A distance of h2。
The data processing module 3 calculates the crown width of the crown 61 by the following formula:
h1×sinα1+h2×sinα2
the data processing module 3 calculates the tree height by the following formula:
H2+H1×sinβ1
wherein H2Representing the distance of the tree height measuring device 2 from the ground.
Referring to fig. 4, the second mode: when the bottom of the crown 61 of the tree 6 to be measured is higher than the top of the tree height and crown width measuring device, the measuring method of the tree height and crown width measuring device is as follows:
firstly, the tree height and crown width measuring device is arranged at a position with a certain distance from the tree 6 to be measured, and the height and the width of the bracket 5 are adjusted to ensure that the tree height and crown width measuring device is kept stable. The rotating part 17 is horizontally rotated to drive the crown width measuring device main body 11 and the tree height measuring device main body 21 to synchronously horizontally rotate until the crown width laser range finder 14 and the tree height laser range finder 23 correspond to the tree 6 to be measured. Then, the rotating part 17 is rotated upwards to drive the crown width measuring device main body 11 and the tree height measuring device 2 to synchronously rotate upwards, the sighting telescope 25 is used for observing that the crown width measuring device main body 11 and the tree height measuring device main body 21 synchronously rotate upwards until the crown width laser distance meter 14 and the tree height laser distance meter 23 face the crown 61 of the tree 6 to be measured, and the position is an initial position. The remaining crown width measurement and tree height measurement modes are consistent with the first mode.
The tree height and crown width measuring device provided by the invention can control the crown width measuring equipment 1 to rotate around the rotation axis through the rotation angle adjusting knob 12, monitor the rotation angle alpha of the crown width measuring equipment body 11 rotating around the rotation axis in real time through the crown width angle sensor 13 arranged on the crown width measuring equipment body 11, measure the distance h between the crown width measuring equipment body and the tree crown 61 in real time through the crown width laser distance meter 14 arranged on the side surface of the crown width measuring equipment body 11, and receive the rotation angle alpha and the distance h in real time through the data processing module 3. When the crown width measuring device body 11 is rotated to the side corresponding to the width direction of the crown 61, by pressing the crown width end button 15, the crown width angle sensor 13 and the crown width laser range finder 14 are stopped, and the data processing module 3 records that the rotation angle at this time is α1A distance of h1. When the crown width measuring equipment main body rotates from the initial position to the other side corresponding to the width direction of the crown, the crown width angle sensor and the crown width laser range finder stop working by pressing the crown width stop button, and the data processing module records the rotating angle at the moment as alpha2A distance of h2. The data processing module is alpha according to the rotation angle1Distance h1Angle of rotation of alpha2And a distance h2And calculating the crown width of the tree to be detected. The automatic measurement and automatic calculation of the crown width of the tree 6 to be measured in the tree height and crown width measurement device are realized, and the measurement precision of the crown width is further ensured.
Secondly, the tree height and crown width measuring device provided by the invention can control the tree height measuring equipment 2 to rotate upwards relative to the support 5 through the rotating angle adjusting knob 12, monitor the rotating angle beta of the vertical rotation of the tree height measuring equipment main body 21 in real time through the tree height angle sensor 22 arranged on the tree height measuring equipment main body 21, measure the distance H between the tree height measuring equipment main body and the tree crown 61 in real time through the tree height laser range finder 23 arranged on the side surface of the tree height measuring equipment main body 21, and measure the distance H between the tree height measuring equipment main body and the tree crown 61 at a data positionThe physical module 3 receives the rotation angle beta and the distance H in real time. When the tree height measuring apparatus main body 21 is rotated to the top corresponding to the crown 61, the tree height angle sensor 22 and the tree height laser rangefinder 23 are stopped by pressing the tree height end button 24, and the data processing module 3 records the rotation angle at this time as β1A distance of H1And then the height of the tree 6 to be measured is calculated. The automatic measurement and automatic calculation of the tree height of the tree 6 to be measured in the tree height and crown width measuring device are realized, and the measurement precision of the tree height is further ensured.
Although embodiments of the present invention have been shown and described above, it should be understood that the above embodiments are illustrative and not restrictive, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the scope of the present invention.
Claims (9)
1. A tree height and crown width measuring device is characterized by comprising a tree height measuring device (2), a crown width measuring device (1) and a data processing module (3), wherein the tree height measuring device (2) is positioned above the crown width measuring device (1);
the coronary amplitude measuring device (1) comprises a coronary amplitude measuring device main body (11), an angle adjusting knob (12), a coronary amplitude angle sensor (13), a coronary amplitude laser range finder (14) and a coronary amplitude ending button (15), wherein the angle adjusting knob (12), the coronary amplitude angle sensor (13) and the coronary amplitude ending button (15) are arranged on the coronary amplitude measuring device main body (11), and the coronary amplitude laser range finder (14) is positioned on the side surface of the coronary amplitude measuring device main body (11);
the tree height measuring device (2) comprises a tree height measuring device main body (21), a tree height angle sensor (22), a tree height laser range finder (23) and a tree height termination button (24), wherein the tree height angle sensor (22) and the tree height termination button (24) are arranged on the tree height measuring device main body (21), and the tree height laser range finder (23) is positioned on the side surface of the tree height measuring device main body (21);
the angle adjusting knob (12) is used for controlling the crown width measuring device (1) to rotate around a rotation axis and the tree height measuring device (2) to rotate up and down relative to the crown width measuring device (1);
the crown breadth angle sensor (13) and the crown breadth laser range finder (14) are respectively electrically connected with the data processing module (3) and the crown breadth termination button (15), and the tree height angle sensor (22) and the tree height laser range finder (23) are respectively electrically connected with the data processing module (3) and the tree height termination button (24);
the crown width angle sensor (13) is used for monitoring the rotation angle alpha of the crown width measuring equipment main body (11) rotating around the rotation axis in real time, the crown width laser range finder (14) is used for measuring the distance H between the crown width measuring equipment main body (11) and the crown (61) of the tree (6) to be measured in real time, the tree height angle sensor (22) is used for monitoring the rotation angle beta of the tree height measuring equipment main body (21) when rotating up and down in real time, and the tree height laser range finder (23) is used for measuring the distance H between the tree height measuring equipment main body (21) and the crown (61) in real time;
the crown width end button (15) is used for controlling the crown width angle sensor (13) and the crown width laser range finder (14) to stop working, and the tree height end button (24) is used for controlling the tree height angle sensor (22) and the crown width laser range finder (14) to stop working;
the data processing module (3) is used for receiving the rotation angle alpha, the distance H, the rotation angle beta and the distance H in real time and calculating the crown width and the tree height.
2. The tree height and crown breadth measuring apparatus according to claim 1, wherein the crown breadth measuring device (1) further comprises a rotating member (17), the rotating member (17) being a cylinder, a longitudinal axis of the rotating member (17) being the rotation axis;
rotate piece (17) and be located the bottom of hat width of cloth measuring equipment main part (11), it can drive to rotate piece (17) hat width of cloth measuring equipment main part (11) with tree height measuring equipment main part (21) is synchronous around the rotation axis rotates and synchronous up-down rotates.
3. The tree height and crown width measuring apparatus according to claim 1, further comprising a linkage mechanism by which the tree height measuring device body (21) and the crown width measuring device body (11) are connected;
rotating the angle adjusting knob (12), the crown-width measuring apparatus body (11) rotates around the rotation axis, and at the same time, the tree-height measuring apparatus body (21) rotates upward relative to the crown-width measuring apparatus body (11).
4. The tree height and crown width measuring device according to claim 1, wherein the crown width measuring apparatus (1) further comprises a connecting member (16), one end of the connecting member (16) is fixed to the crown width measuring apparatus body (11), and the other end is rotatably connected to the tree height measuring apparatus body (21).
5. The tree height and crown width measuring device according to claim 1, wherein the tree height measuring apparatus (2) further comprises a sighting telescope (25) located at the top of the tree height measuring apparatus body (21).
6. The tree height and crown width measuring device according to claim 1, further comprising a support (5) located below the crown width measuring apparatus (1).
7. The tree height and crown width measuring device according to claim 6, characterized in that said support (5) is a tripod support adjustable in height and width.
8. The tree height and crown width measuring device according to claim 1, further comprising a display screen (4);
display screen (4) with data processing module (3) electric connection, data processing module (3) with the data transmission of crown width and tree height to display screen (4), display screen (4) are used for showing the data of crown width and tree height.
9. A measuring method using the tree height and crown width measuring apparatus according to any one of claims 1 to 8 is:
s1: in the initial position, the crown breadth laser range finder (14) and the tree height laser range finder (23) face the tree crown (61);
s2: a rotation angle adjusting knob (12) around which the crown-width measuring apparatus body (11) is rotated, the tree-height measuring apparatus body (21) being rotated upward;
the crown breadth angle sensor (13) monitors the rotation angle alpha of the crown breadth measuring equipment main body (11) rotating around the rotation axis in real time, and the crown breadth laser range finder (14) measures the distance h between the crown breadth measuring equipment main body (11) and the tree crown (61) in real time;
the tree height angle sensor (22) monitors a rotation angle beta when the tree height measuring equipment main body (21) rotates up and down in real time, and the tree height laser range finder (23) measures a distance H between the tree height measuring equipment main body (21) and the tree crown (61) in real time;
s3: when the crown width measuring equipment main body (11) corresponds to one side of the width direction of the crown (61), the crown width ending button (15) is pressed down, the crown width angle sensor (13) and the crown width laser range finder (14) stop working, and the data processing module (3) records that the rotating angle at the moment is alpha1A distance of h1；
When the crown width measuring equipment main body (11) rotates to the other side corresponding to the width direction of the crown (61) from the initial position, the crown width ending button (15) is pressed down, the crown width angle sensor (13) and the crown width laser range finder (14) stop working, and the data processing module (3) records that the rotating angle at the moment is alpha2A distance of h2；
The data processing module (3) calculates the crown width of the crown (61) by the following formula:
h1×sinα1+h2×sinα2
when the tree height measuring apparatus main body (21) corresponds to the top of the tree crown (61), the tree height end button (24) is pressed, the tree height angle sensor (22) and the tree height laser rangefinder (23) are stopped, andthe data processing module (3) records the rotation angle at the moment as beta1A distance of H1；
The data processing module (3) calculates the tree height by the following formula:
H2+H1×sinβ1
wherein H2Represents the distance from the tree height measuring device body (21) to the ground.
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