CN105093232B - A kind of overhead power transmission line passage screen of trees information intelligent acquisition terminal and acquisition method - Google Patents
A kind of overhead power transmission line passage screen of trees information intelligent acquisition terminal and acquisition method Download PDFInfo
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- CN105093232B CN105093232B CN201510503665.9A CN201510503665A CN105093232B CN 105093232 B CN105093232 B CN 105093232B CN 201510503665 A CN201510503665 A CN 201510503665A CN 105093232 B CN105093232 B CN 105093232B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO 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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/86—Combinations of lidar systems with systems other than lidar, radar or sonar, e.g. with direction finders
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
- G01C11/02—Picture taking arrangements specially adapted for photogrammetry or photographic surveying, e.g. controlling overlapping of pictures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO 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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/14—Receivers specially adapted for specific applications
-
- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
Abstract
The invention belongs to overhead transmission line monitoring and acquisition technique field, specifically related to a kind of overhead power transmission line passage screen of trees information intelligent acquisition terminal and acquisition method, including collecting terminal body, and the data processor module built in collecting terminal body, the left surface of the collecting terminal body is provided with first level chi, its top surface is provided with optical camera, generating laser and laser pickoff, its bottom surface is provided with lanyard hole, second horizon rule and microphone, its back side is provided with wireless communication module, the acquisition method includes screen of trees information gathering, corresponding lead information gathering, the distance exam of screen of trees and corresponding lead, the automation of screen of trees information is uploaded and stored, the present invention is compact portable, it is simple to operate, the accuracy rate and efficiency of screen of trees information gathering can be improved, realize that the automation of screen of trees information is uploaded and managed, it is easy to pipe to the management of electric transmission line channel screen of trees hidden danger information and effective development of control.
Description
Technical field
The invention belongs to overhead transmission line monitoring and acquisition technique field, and in particular to a kind of overhead power transmission line passage
Screen of trees information intelligent acquisition terminal and acquisition method.
Background technology
On overhead power transmission line passage periphery, hair is possible within arboreal growth to transmission line safety distance range
Raw line tripping fault, threatens the safety and stability of whole electrical grid.Tripping operation has a power failure caused by tree line contradiction, and it influences not
Only interests of the safe operation of power network and electric power enterprise, more seriously it will influence network-wide security reliable power supply and place
Economic development, seriously threatens enterprises and institutions and resident supplies Electrical Safety, therefore, realizing to overhead power transmission line passage forest
The scientific and efficient management of screen of trees information, removes screen of trees inside and outside power circuit passage in accordance with the law, and taking the necessary measures, it is logical to safeguard circuit
Road safety, be currently reduce and prevent the transmission line of electricity interruption of service, improve transmission line safety run in the urgent need to.
Be mostly to the collection of overhead power transmission line passage forest screen of trees information at present by GPS hand-held sets, angle gauge, box chi,
A variety of traditional measurement instruments such as total powerstation, which are integrated, to be realized, is then arranged screen of trees information unification by artificial mode and is uploaded, one
Aspect, patrolling transmission line personnel need to carry big measuring appratus, and part instrument can not individually complete measurement, cumbersome, essence
Degree is not high, waste time and energy and the problem of human error is larger, on the other hand, is needed after the completion of screen of trees information measurement by artificial side
Formula carries out unified arrange and uploaded, and wastes time and energy and is easily caused artificial careless mistake.Therefore, in order to realize transmission of electricity county paths forest it is hidden
Suffer from the facilitation collection and automatic management of information, study a kind of overhead power transmission line passage forest screen of trees information intelligent collection eventually
End has important practice significance.
The content of the invention
The purpose of the present invention is believed to solve the above mentioned problem of prior art there is provided a kind of overhead power transmission line passage screen of trees
Collecting terminal and acquisition method are ceased, is that administrative department formulates electric transmission line channel screen of trees hidden danger dispelling tactics and deployment is administered
Work provides decision-making foundation, and to achieve these goals, the technical solution adopted by the present invention is as follows：
A kind of overhead power transmission line passage screen of trees information intelligent acquisition terminal, including collecting terminal body, Yi Jizhi
Data processor module built in energy acquisition terminal body, it is characterised in that：In the left surface of the collecting terminal body
First level chi is provided with, the top surface of the collecting terminal body is provided with optical camera, generating laser and laser
Receiver, the bottom surface of the collecting terminal body is provided with lanyard hole, the second horizon rule and microphone, and the intelligence of stating is adopted
The back side of collection terminal body is provided with wireless communication module.
Preferably, the first level chi of the collecting terminal body left surface is provided at both ends with charging inlet and earphone
Hole.
Preferably, the collecting terminal body front is provided with display screen and receiver, and right flank is provided with power supply and opened
Close and level setting switches, the back side is provided with is equipped with tripod screw, external speaker, TF necks, sim card slot and lithium electricity outside
Pond.
Preferably, the tripod screw is arranged between external speaker and lithium battery.
Preferably, the wireless communication module is arranged on the lower section at the collecting terminal body back side.
Preferably, the wireless communication module be GPS communication module, WiFi communication module, gsm communication module, GPRS lead to
Believe two or more in module and RFID communication module.
Preferably, the data processor module includes CPU core processor unit, DSP core processor unit and communication protocols
Discuss processor unit.
A kind of acquisition method of overhead power transmission line passage screen of trees information, it is characterised in that：By in collecting terminal
Optical camera, generating laser and laser pickoff, data processor module realize to hidden danger forest geographical coordinate, chest
The automatic measurement of distance and storage, pass through between footpath, the height of tree, canopy density and tree information, hidden danger forest and corresponding lead
WiFi communication module, gsm communication module or the realization of GPRS communication modules and trees background server progress data exchange, including with
Lower step realizes the collection of screen of trees information：
(1) screen of trees information gathering：The geographical position of screen of trees information is obtained by GPS communication module, according to optical camera
Take pictures and be aided with voidage and calculate the amount realized and survey canopy density, taken pictures according to optical camera and by WiFi communication module, GSM
Communication module or GPRS communication modules realize the measure of seeds with matching for seeds data bank in background server, are taken the photograph by optics
As head, generating laser, laser pickoff and horizon rule realize the measurement of the diameter of a cross-section of a tree trunk 1.3 meters above the ground, pass through GPS communication module, generating laser
And laser pickoff (11) and base band processor module realize tree height measurement and calculating (10)；
(2) corresponding lead information gathering：The geographical position of screen of trees hidden danger forest corresponding lead is obtained by GPS communication module
Put, realized according to wire geographical position by WiFi communication module, gsm communication module or GPRS communication modules and background server
Interaction, read corresponding lead voltage class and wire distance to the ground；
(3) screen of trees and the distance exam of corresponding lead：Screen of trees is realized by generating laser, laser pickoff and horizon rule
With the measurement of corresponding lead horizontal range, by the three-dimensional coordinate below GPS communication module measure traverse line, it is aided with wire to distance
From and trees elevation information calculate and obtain the measurement of vertical range between screen of trees and corresponding lead；
(4) automation of screen of trees information is uploaded and stored:Communicated by WiFi communication module, gsm communication module or GPRS
Measured screen of trees information is uploaded to background server by module, is realized and overhead power transmission line passage tree information management system
Data exchange.
Preferably, realized by the GPS communication module, generating laser and laser pickoff and base band processor module
Tree height measurement is calculated with calculating tree height measurement with calculating using equation below：
Wherein, ZAThe position of coordinate, Z where representing collecting terminal bodyBRepresent the position of trees ' root coordinate, l1
Represent collecting terminal body apart from the horizontal range of trees, l2Represent position of the collecting terminal body at the top of trees
Put.
In summary, the present invention is as a result of above technical scheme, and the present invention has the advantages that：
(1) present invention is compact portable, simple to operate, is widely used, screen of trees information gathering can be improved by laser ranging
Accuracy rate and efficiency, while user, which can carry with this acquisition terminal, is easily and accurately realized range measurement.
(2) present invention realizes that the automation of screen of trees information is uploaded by the communication of wireless communication module and background server
And management, it is easy to administrative department to the management of electric transmission line channel screen of trees hidden danger information and effective development of control.
Brief description of the drawings
, below will be to embodiment or existing in order to illustrate more clearly of present example or technical scheme of the prior art
There is the accompanying drawing required in technology description to do simply to introduce, it should be apparent that, drawings in the following description are only the present invention
Some examples, to those skilled in the art, can also be attached according to these on the premise of creativeness is not paid
Figure obtains other accompanying drawings.
Fig. 1 is a kind of left surface schematic diagram of overhead power transmission line passage screen of trees information intelligent acquisition terminal of the present invention.
Fig. 2 is a kind of front schematic view of overhead power transmission line passage screen of trees information intelligent acquisition terminal of the present invention.
Fig. 3 is a kind of left surface schematic diagram of overhead power transmission line passage screen of trees information intelligent acquisition terminal of the present invention.
Fig. 4 is a kind of top schematic diagram of overhead power transmission line passage screen of trees information intelligent acquisition terminal of the present invention.
Fig. 5 is a kind of schematic bottom view of overhead power transmission line passage screen of trees information intelligent acquisition terminal of the present invention.
Fig. 6 is a kind of schematic rear view of overhead power transmission line passage screen of trees information intelligent acquisition terminal of the present invention.
Fig. 7 is a kind of internal control circuit mould of overhead power transmission line passage screen of trees information intelligent acquisition terminal of the present invention
Block schematic diagram.
Fig. 8 is a kind of closing of the overhead power transmission line passage screen of trees information intelligent acquisition terminal and acquisition method of the present invention
Degree calculates schematic diagram.
Fig. 9 is a kind of overhead power transmission line passage screen of trees information intelligent acquisition terminal of the present invention and the height of tree of acquisition method
Calculate schematic diagram.
In accompanying drawing, collecting terminal body 1, display screen 2, receiver 3, power switch 4, level setting switches 5, charging
Mouth 6, first level chi 7, earpiece holes 8, optical camera 9, generating laser 10, laser pickoff 11, lanyard hole 12, the second water
Leveling ruler 13, microphone 14, tripod screw 15, external speaker 16, TF necks 17, sim card slot 18, lithium battery 19, channel radio
Believe module 20, data processor module 100.
Embodiment
Below in conjunction with the accompanying drawing in present example, the technical scheme in the embodiment of the present invention is carried out clear, complete
Ground is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7, a kind of overhead power transmission line passage screen of trees information intelligent is adopted
Collect terminal, including collecting terminal body 1, and the data processor module 100 built in collecting terminal body 1,
The left surface of the collecting terminal body 1 is provided with first level chi 7, the left surface of collecting terminal body 1
First level chi 7 is provided at both ends with charging inlet 6 and earpiece holes 8, and the top surface of the collecting terminal body 1 is provided with optics
Camera 9, generating laser 10 and laser pickoff 11, the bottom surface of the collecting terminal body 1 be provided with lanyard hole 12,
Second horizon rule 13 and microphone 14, the back side for stating collecting terminal body 1 are provided with wireless communication module 20, described
Wireless communication module 20 is arranged on the lower section at the back side of collecting terminal body 1.In the present invention, as shown in Figure 1, Figure 2, Fig. 3 and figure
6, the front of collecting terminal body 1 is provided with display screen 2 and receiver 3, and right flank is provided with power switch 4 and volume is adjusted
Section switch 5, the back side is provided with is equipped with tripod screw 15, outer loudspeaker 16, TF necks 17, sim card slot 18 and lithium battery 19 outside,
The tripod screw 15 is arranged between external speaker 16 and lithium battery 19.
In the present invention, as shown in fig. 7, data processor module 100 respectively with display screen 2, charging inlet 6, microphone
14th, level setting switches 5, optical camera 9, generating laser 10 and laser pickoff 11, TF necks 17, the and of sim card slot 18
Connected with wireless communication module 20, the level setting switches 5 are connected with receiver 3, earpiece holes 8 and external speaker 6 respectively, institute
State lithium battery 17 and provide power supply by power switch 4 for whole collecting terminal, the wireless communication module 20 is GPS communication
Two or more in module, WiFi communication module, gsm communication module, GPRS communication modules and RFID communication module；Institute
Stating data processor module includes CPU core processor unit, DSP core processor unit and communication protocol processor unit, described
CPU core processor unit is ARM series monolithic processors.
Such as Fig. 8 and Fig. 9, a kind of acquisition method of hand-held overhead power transmission line passage screen of trees information passes through intelligent acquisition
Optical camera 9, generating laser 10 and laser pickoff 11 in terminal, data processor module are with realizing to hidden danger forest
Reason coordinate, the diameter of a cross-section of a tree trunk 1.3 meters above the ground, the height of tree, the automatic measurement of distance and deposit between canopy density and tree information, hidden danger forest and corresponding lead
Storage, is realized by WiFi communication module, gsm communication module or GPRS communication modules and carries out data friendship with trees background server
Change, comprise the following steps the collection for realizing screen of trees information：
(1) screen of trees information gathering：The geographical position of screen of trees information is obtained by GPS communication module, according to optical camera 9
Take pictures and be aided with voidage and calculate the amount realized and survey canopy density, taken pictures according to optical camera and by WiFi communication module, GSM
Communication module or GPRS communication modules realize the measure of seeds with matching for seeds data bank in background server, are taken the photograph by optics
As first 9, generating laser 10, laser pickoff 11, the horizon rule 13 of first level chi 7 and second realize the measurement of the diameter of a cross-section of a tree trunk 1.3 meters above the ground, pass through
GPS communication module, generating laser 10 and laser pickoff 11 and base band processor module realize tree height measurement and calculating；
The geographical position of screen of trees hidden danger forest, calculating closing are acquired below by way of the collecting terminal of the present invention
Degree, the forest diameter of a cross-section of a tree trunk 1.3 meters above the ground, the height of tree and decision tree kind classification：
1) screen of trees geographical position：Three-dimensional coordinate (the X of screen of trees hidden danger forest root B points is obtained by GPS communication moduleB,YB,
ZB)；
2) canopy density：Clapped by optical camera 9 and take the image at the top of screen of trees hidden danger forest to calculate voidage (such as Fig. 8 institutes
Show, be the place covered by trees in whole image in addition to blank pixel, for example, the region of blank I and II in Fig. 8
Region etc. is void area, is the place covered by trees in addition to void area), covered by forest shared by the pixel number in place
The ratio of the total pixel number of whole photo is voidage, that is, canopy density, and specific formula is as follows：
Total pixel number in canopy density=shared pixel number/photograph of photograph middle forest woody part point；
3) seeds classification：By optical camera 9 clap take the information such as forest blade, trunk, by intelligence communication function with
Seeds information in background server is compared, and draws the species of the trees；
4) diameter of a cross-section of a tree trunk 1.3 meters above the ground：Any blank is tangential on to the side of trunk at 1.3 meters of screen of trees hidden danger forest, passes through laser ranging module
(generating laser 10, laser pickoff 11) should ensure that two horizon rules are in horizontal in trunk opposite side ranging during measurement
State, draws diameter of a cross-section of a tree trunk 1.3 meters above the ground Dtree；
5) height of tree：By the GPS communication module, laser ranging module (generating laser 10 and laser pickoff 11) and
Base band processor module realizes that tree height measurement, with calculating tree height measurement with calculating, is calculated using equation below,
Wherein, ZARepresent the position of the place coordinate of collecting terminal body 1, ZBRepresent the position of trees ' root coordinate, l1
Represent horizontal range of the collecting terminal body 1 apart from trees, l2Represent collecting terminal body 1 at the top of trees
Distance, specific schematic diagram are as shown in figure 9, A represents the position where hand-held intelligent acquisition terminal, and B represents the position of trees ' root,
C represents the position on wire correspondence opposite, and F represents the position in treetop portion, l1Represent collecting terminal body 1 apart from trees
Horizontal range, l2Represent distance of the hand-held intelligent acquisition terminal at the top of trees, P0 represents geoid (i.e. GPS communication
The altitude data of module starts at face), P1 represents the ground of physical relief；
(2) corresponding lead information gathering：The geographical position of screen of trees hidden danger forest corresponding lead is obtained by GPS communication module
Put, obtain the three-dimensional coordinate (X of wire corresponding groundC,YC,ZC), WiFi is then passed through according to wire geographical position (three-dimensional coordinate)
Communication module, gsm communication module or the realization of GPRS communication modules are interacted with background server, read voltage of corresponding lead etc.
Level and wire distance to the ground Dwire；To setting power line protection area, according to the corresponding sideline outer distance of different voltage class
(as shown in table 1), generates buffering area with the line of vector figure layer file (tran_line.shp) of overhead transmission line, is maked somebody a mere figurehead
Line protection area (scope of overhead transmission line protection zone is horizontal-extending laterally including wire sideline, and perpendicular to ground
The region in two parallel surfaces that face is formed).
The corresponding sideline extension of the voltage class of table 1 is apart from table
(3) screen of trees and the distance exam of corresponding lead：Pass through generating laser 10, laser pickoff 11 and two horizon rules
The measurement of screen of trees and corresponding lead horizontal range is realized, by the three-dimensional coordinate below GPS communication module measure traverse line, is aided with and leads
Line distance to the ground and trees elevation information calculate the measurement for obtaining vertical range between screen of trees and corresponding lead；Trees (the tree
Barrier) from the horizontal range measurement of wire, it is that mark is set below wire, electric transmission line channel line attendant stands in the position of trees
Put, measured by laser ranging module and obtain horizontal range D of the trees apart from corresponding leadh(two levels are should ensure that during measurement
Chi is in horizontality, that is, ensures that first level chi 7 and the second horizon rule 13 will keep level simultaneously, it is ensured that collecting terminal
Positioned at horizontal plane, to ensure measurement accuracy), vertical range D of the trees (screen of trees) from wirev, DvRepresent present tree distance
The vertical range of wire, i.e., obtained by being calculated by following expression：
Dv=Dwire+ZC-Htree,
(4) automation of screen of trees information is uploaded and stored:Communicated by WiFi communication module, gsm communication module or GPRS
Measured screen of trees information is uploaded to background server by module, is realized and overhead power transmission line passage tree information management system
Data exchange.
The preferred embodiment of invention is the foregoing is only, is not intended to limit the invention, all spirit in the present invention
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (6)
1. a kind of acquisition method of overhead power transmission line passage screen of trees information intelligent acquisition terminal, the collecting terminal includes
Collecting terminal body (1), and the data processor module (100) built in collecting terminal body (1), its feature exist
In：The left surface of the collecting terminal body (1) is provided with first level chi (7), the collecting terminal body
(1) top surface is provided with optical camera (9), generating laser (10) and laser pickoff (11), the collecting terminal
The bottom surface of body (1) is provided with lanyard hole (12), the second horizon rule (13) and microphone (14), described to state collecting terminal sheet
The back side of body (1) is provided with wireless communication module (20)；The wireless communication module (20) is arranged on collecting terminal body
(1) lower section at the back side；The wireless communication module (20) is GPS communication module, WiFi communication module, gsm communication module, GPRS
Two or more in communication module and RFID communication module；
The acquisition method of the overhead power transmission line passage screen of trees information intelligent acquisition terminal is by collecting terminal
Optical camera (9), generating laser (10) and laser pickoff (11), data processor module (100) are realized to hidden danger woods
The automatic measurement of distance between wooden geographical coordinate, the diameter of a cross-section of a tree trunk 1.3 meters above the ground, the height of tree, canopy density and tree information, hidden danger forest and corresponding lead
And storage, realized by WiFi communication module, gsm communication module or GPRS communication modules and carry out data with trees background server
Exchange, comprise the following steps the collection for realizing screen of trees information：
(1) screen of trees information gathering：The geographical position of screen of trees information is obtained by GPS communication module, is clapped according to optical camera (9)
According to and be aided with voidage calculate realize survey canopy density amount, taken pictures according to optical camera and by WiFi communication module, GSM lead to
Letter module or GPRS communication modules realize the measure of seeds with matching for seeds data bank in background server, pass through optical camera
Head (9), generating laser (10), laser pickoff (11) and horizon rule realize the measurement of the diameter of a cross-section of a tree trunk 1.3 meters above the ground, by GPS communication module, swash
Optical transmitting set (10) and laser pickoff (11) and base band processor module realize tree height measurement and calculating；
(2) corresponding lead information gathering：The geographical position of screen of trees hidden danger forest corresponding lead, root are obtained by GPS communication module
The friendship with background server is realized by WiFi communication module, gsm communication module or GPRS communication modules according to wire geographical position
Mutually, the voltage class and wire distance to the ground of corresponding lead are read；
(3) screen of trees and the distance exam of corresponding lead：Realized by generating laser (10), laser pickoff (11) and horizon rule
Screen of trees and the measurement of corresponding lead horizontal range, by the three-dimensional coordinate below GPS communication module measure traverse line, are aided with wire pair
Ground distance and trees elevation information calculate the measurement for obtaining vertical range between screen of trees and corresponding lead；
(4) automation of screen of trees information is uploaded and stored:Pass through WiFi communication module, gsm communication module or GPRS communication modules
Measured screen of trees information is uploaded to background server, the number with overhead power transmission line passage tree information management system is realized
According to exchange.
2. a kind of acquisition method of overhead power transmission line passage screen of trees information intelligent acquisition terminal according to claim 1,
It is characterized in that：The first level chi (7) of collecting terminal body (1) left surface is provided at both ends with charging inlet (6)
With earpiece holes (8).
3. a kind of acquisition method of overhead power transmission line passage screen of trees information intelligent acquisition terminal according to claim 1,
It is characterized in that：Collecting terminal body (1) front is provided with display screen (2) and receiver (3), and right flank is provided with electricity
Source switch (4) and level setting switches (5), the back side is provided with is equipped with tripod screw (15), external speaker (16), TF cards outside
Groove (17), sim card slot (18) and lithium battery (19).
4. a kind of acquisition method of overhead power transmission line passage screen of trees information intelligent acquisition terminal according to claim 3,
It is characterized in that：The tripod screw (15) is arranged between external speaker (16) and lithium battery (19).
5. a kind of acquisition method of overhead power transmission line passage screen of trees information intelligent acquisition terminal according to claim 1,
It is characterized in that：The data processor module is included at CPU core processor unit, DSP core processor unit and communication protocol
Manage device unit.
6. a kind of acquisition method of overhead power transmission line passage screen of trees information intelligent acquisition terminal according to claim 1,
It is characterized in that：Pass through the GPS communication module, generating laser (10) and laser pickoff (11) and base band processor module
Realize that tree height measurement, with calculating tree height measurement with calculating, is calculated using equation below：
<mrow>
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Wherein, ZAThe coordinate position of geoid, Z where representing collecting terminal body (1)BRepresent trees ' root place
The coordinate position of geoid, l1Represent collecting terminal body (1) apart from the horizontal range of trees, l2Represent that intelligence is adopted
Collect position of the terminal body (1) at the top of trees.
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| CN110705900B (en) * | 2019-10-14 | 2022-05-03 | 贵州电网有限责任公司 | Power transmission line tree obstacle risk level evaluation method |
| CN116091493B (en) * | 2023-04-07 | 2023-07-18 | 智洋创新科技股份有限公司 | Distance measurement method for hidden danger of tree obstacle of power transmission line |
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| JP4025559B2 (en) * | 2002-03-13 | 2007-12-19 | アジア航測株式会社 | Separation distance information providing system and separation distance providing apparatus |
| US7086162B2 (en) * | 2004-12-23 | 2006-08-08 | Dan Tyroler | Method and apparatus for distance measurement |
| US20070030348A1 (en) * | 2005-08-04 | 2007-02-08 | Sony Ericsson Mobile Communications Ab | Wireless communication device with range finding functions |
| CN103364757B (en) * | 2012-03-28 | 2017-07-21 | 富泰华工业（深圳）有限公司 | Portable electron device and its range unit |
| CN104535043B (en) * | 2015-01-17 | 2017-06-06 | 国家电网公司 | A kind of power circuit safe distance measurement appraisal procedure based on smart mobile phone |
| CN205079766U (en) * | 2015-08-17 | 2016-03-09 | 广西电网有限责任公司电力科学研究院 | Hand -held type overhead transmission line passageway screen of trees information intelligent acquisition terminal |
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