CN104155657B - Range-measurement system for cable laying range finding - Google Patents
Range-measurement system for cable laying range finding Download PDFInfo
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- CN104155657B CN104155657B CN201410387528.9A CN201410387528A CN104155657B CN 104155657 B CN104155657 B CN 104155657B CN 201410387528 A CN201410387528 A CN 201410387528A CN 104155657 B CN104155657 B CN 104155657B
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- laser
- range
- range finding
- steel pipe
- range finder
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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
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- 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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses a kind of range-measurement system for cable laying range finding, including laser range finder, multi-angle rotary mirror and speculum；Laser range finder, multi-angle rotary mirror and speculum may be contained within cable shaft；The one end of the range finding distance that laser range finder is arranged under cable shaft, speculum is provided with the other end of range finding distance；In range finding distance, it is provided with multiple multi-angle rotary mirror；The laser that laser range finder is launched enters speculum after multi-angle rotary mirror reflects successively, then sequentially passes through multi-angle rotary mirror and be reflected back laser range finder；Laser range finder includes single-chip microcomputer, range finding display module, temperature detecting module, alarm module, drive circuit, laser emission probe, laser pick-off probe and signal processing circuit.The range-measurement system for cable laying range finding of the present invention, has and can measure non-rectilinear distance, realize having the range finding of the circuit of flex point, improve the advantage such as convenience of cable laying.
Description
Technical field
The present invention relates to a kind of range-measurement system for cable laying range finding.
Background technology
Distance mearuring equipment in prior art mainly divides dual-use, and military equipment is more accurate, far measuring distance, and the degree of accuracy is more
Height, it is the highest that cable laying laser ranging instrument is not required to precision relatively, it is possible to makes precision unit be sufficient for meeting within rice
Requirement of engineering.In prior art, laser ranging instrument can be only done straight line range finding mostly, is not suitable with the laying at secondary cable
Journey., there is cable lay path complexity, there is the features such as a lot of flex points, and be more than there is level in the laying of secondary cable
Lay, but also the great number of issues such as Existential Space vertically laying.
In the prior art, laser ranging, owing to not having light adjustment device, can only realize straight line range finding.For there is flex point
Range measurement, just cannot be carried out.
Summary of the invention
The present invention is for avoiding weak point present in above-mentioned prior art, it is provided that a kind of range finding system for cable laying range finding
System, to carry out light path change, to be easy to during cable laying survey the cable runs that there is flex point to range laser
Away from.
The present invention solves that technical problem is by the following technical solutions.
For the range-measurement system of cable laying range finding, it is structurally characterized in that, including laser range finder, for changing laser range finder
The multi-angle rotary mirror of the light path of the laser launched and speculum；Described laser range finder, multi-angle rotary mirror and speculum are equal
It is arranged in cable shaft；The one end of the range finding distance that described laser range finder is arranged under cable shaft, described speculum is arranged
There is the other end of range finding distance；In described range finding distance, it is provided with multiple described multi-angle rotary mirror；Described laser range finder
The laser launched enters described speculum after multi-angle rotary mirror reflects successively, then sequentially passes through multi-angle rotary mirror and be reflected back
Described laser range finder；
Described laser range finder includes single-chip microcomputer, range finding display module, temperature detecting module, alarm module, drive circuit, swashs
Light transmitting probe, laser pick-off probe and signal processing circuit；Described range finding display module, temperature detecting module, alarm module,
Drive circuit is all connected with described single-chip microcomputer with signal processing circuit；Described laser emission probe passes through described drive circuit and institute
State single-chip microcomputer to be connected；Described laser pick-off probe is connected with described single-chip microcomputer by described signal processing circuit.
The design feature for the range-measurement system of cable laying range finding of the present invention lies also in:
Described multi-angle rotary mirror includes underframe, supporting sleeve, supporting steel pipe, connection sleeve pipe, fixed mount and is positioned on fixed mount
Level crossing；Described supporting sleeve is fixedly installed on the top of described underframe；It is provided with multiple along described on described supporting sleeve
The through hole of supporting sleeve described in the radial penetration of supporting sleeve；The bottom of described supporting steel pipe is also equipped with multiple along described support
The perforation of supporting steel pipe described in the radial penetration of steel pipe, described perforation is identical with the diameter of described through hole；Under described supporting steel pipe
Within portion is inserted in described supporting sleeve；By the steel bolt through described through hole and described perforation, described supporting steel pipe is fixed on institute
Within stating supporting sleeve；
Described adapter sleeve pipe box is located at the upper end of described supporting steel pipe, and can rotate along the axis of described supporting steel pipe；Institute
State fixed mount and be fixedly installed on the top of described connection sleeve pipe；Described level crossing is arranged on described fixed mount by a connecting shaft,
Described connecting shaft can rotate on described fixed mount, thus drives described level crossing to rotate to adjust plane on described fixed mount
The minute surface of mirror.
Described underframe is tripod.
The edge part of described level crossing is provided with concave mirror.
Compared with the prior art, the present invention has the beneficial effect that:
The range-measurement system for cable laying range finding of the present invention, range measurement principle is simple, and laser is launched from the diversing lens of instrument
Go out, hit measured target return laser, then by instrument receive lens receive, so measure during the light velocity and time
Between product just can calculate distance again divided by 2.Formula is S=V × T/2 (S distance, V speed, T time), and combines
Measurement device is accurate, has wide range of applications, and unlike conventional laser range unit, this device is divided into two parts, a part
For traditional laser range finder, use pulsed distance-finding method, in order to launch laser to measure distance.Another part is many for auxiliary
Angle revolving mirror, can carry out support according to surface state and adjust balance, adjust height according to cable laying face, and have solid
All-directional rotation function, convenient in level measurement non-rectilinear distance, it is possible to measure the length with vertical laying-out in space
Degree.And multi-angle rotary mirror has disassembling function, it is detachably multiple widgets, easy to carry, it is simple to install.
Described multi-angle rotary mirror is coordinated with perforation by the through hole between supporting sleeve with supporting steel pipe, the whole revolving mirror of adjustable
Level height；By being rotationally connected sleeve pipe, the angle between adjustable level crossing and concave mirror and the plane of vertical direction.Logical
Cross connecting shaft, rotatable level crossing, adjust the angle between minute surface and the horizontal plane of level crossing, thus level crossing and recessed can be realized
The adjustment of multiple angles of face mirror, and then as required range laser can be carried out light path change, to realize non-rectilinear layout path
Range measurement, improve laser process of deployment convenience.
The present invention for cable laying range finding range-measurement system, have can measure non-rectilinear distance, can be to the light path of range laser
Carry out Angulation changes, realize having the range finding of the circuit of flex point, improve the advantage such as convenience of cable laying.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of finding range under the cable shaft of the range-measurement system of cable laying range finding of the present invention.
Fig. 2 is the structured flowchart of the laser range finder of the range-measurement system for cable laying range finding of the present invention.
Fig. 3 is the range measurement principle figure of the laser range finder of the present invention.
Fig. 4 is the front view of the multi-angle rotary mirror of the range-measurement system for cable laying range finding of the present invention.
Fig. 5 is the left view of the multi-angle rotary mirror of the range-measurement system for cable laying range finding of the present invention.
Being numbered in Fig. 1～Fig. 5: 1 underframe, 2 supporting sleeves, 3 supporting steel pipes, 4 connect sleeve pipe, 5 fixed mounts, 6 planes
Mirror, 7 steel bolts, 8 connecting shafts, 9 concave mirrors, 10 laser range finders, 11 multi-angle rotary mirrors, 12 speculums, 13 cables erect
Well, 14 shoot lasers, 15 reflection laser.
Below by way of detailed description of the invention, and the invention will be further described to combine accompanying drawing.
Detailed description of the invention
Seeing accompanying drawing 1～Fig. 5, the range-measurement system for cable laying range finding of the present invention includes laser range finder 10, for changing
Become multi-angle rotary mirror 11 and the speculum 12 of the light path of the laser that laser range finder 10 is launched；Swash as it is shown in figure 1, described
Optar 10, multi-angle rotary mirror 11 and speculum 12 may be contained within cable shaft 13；Described laser range finder 10 sets
The one end of the range finding distance being placed under cable shaft 13, described speculum 12 is provided with the other end of range finding distance；In described survey
In distance, it is provided with multiple described multi-angle rotary mirror 11；The laser that described laser range finder 10 is launched revolves through multi-angle
Tilting mirror 11 enters described speculum 12 after reflecting successively, then sequentially passes through multi-angle rotary mirror 11 and be reflected back described laser range finder
10；
As in figure 2 it is shown, described laser range finder 10 include single-chip microcomputer, range finding display module, temperature detecting module, alarm module,
Drive circuit, laser emission probe, laser pick-off probe and signal processing circuit；Described range finding display module, temperature detection mould
Block, alarm module, drive circuit are all connected with described single-chip microcomputer with signal processing circuit；Described laser emission probe passes through institute
State drive circuit to be connected with described single-chip microcomputer；Described laser pick-off is popped one's head in by described signal processing circuit and described single-chip microcomputer phase
Connect.
Such as Fig. 1, the shoot laser 14 of laser range finder enters speculum 12 after multiple multi-angle rotary mirrors reflect successively, by instead
Penetrate the reflection laser 15 that shoot laser fires back by mirror 12 to sequentially pass through described multi-angle rotary mirror and reflect back into laser the most one by one
Rangefinder.
Laser emission instrument uses pulsed laser ranging, and impulse method ranging process is such that laser that rangefinder launches through quilt
Received by rangefinder again after measuring the reflection of object, t two-way time, light velocity c and t two-way time of rangefinder recording laser simultaneously
The half of product, it is simply that distance D (as shown in Figure 3) between rangefinder and object being measured.If light is with speed c in atmosphere
Propagating at A, B point-to-point transmission round trip required time is t, then A, B distance between two points D is: D=ct/2, wherein, and: D is
Survey station point A, B distance between two points；C is the speed that light is propagated in an atmosphere；T is that light comes and goes A, B once required time.
The LDMS of conventional laser range finder possesses following four module: Laser emission；Laser pick-off module；Distance
Calculate and display module；Laser alignment and focus module, shown in Fig. 2.During system work, transmitter unit send beam of laser,
After arriving mesh to be measured, diffusing reflection is returned, and shows target after being received unit reception, amplification, shaping after metrics calculation unit
Thing distance.A narrow laser pulse of beam intensity, after optical pulse propagation to target, a wherein little portion is launched to measured target at point distance measurement
Shunt excitation light is reflected back point distance measurement by suffered by range-measurement system light function receiver.Thus distance can be measured according to formula.
Distance mearuring equipment nucleus module uses AT98C52 single-chip microcomputer, and the temperature detecting module for temperature-compensating is DSI8B20. work
Make principle as follows: sent 40KHz square wave command signal by nucleus module, make drive circuit pass through transmitting probe and launch laser, swash
Light reflects through object and is received by receiving transducer, owing to object reflection is not necessarily totally reflected, so for the letter received
Number carrying out signal amplification, shaping pulse, after bandpass filtering, after confirming that core original paper receives echo, according to sending the order time extremely
Receiving the echo moment calculates, and result of calculation is transferred to display module, carries out man-machine communication.Wherein there is supplementary module,
Such as temperature detecting module, alarm module etc. completes miscellaneous function, as carried out temperature-compensating, by key control, arranges warning numerical value etc..
Functional diagram sees Fig. 2.
Such as Fig. 4-5, described multi-angle rotary mirror includes underframe 1, supporting sleeve 2, supporting steel pipe 3, connects sleeve pipe 4, fixed mount
5 and the level crossing 6 that is positioned on fixed mount 5；Described supporting sleeve 2 is fixedly installed on the top of described underframe 1；Described support set
It is provided with multiple along the through hole of supporting sleeve 2 described in the radial penetration of described supporting sleeve 2 on pipe 2；Described supporting steel pipe 3
Bottom be also equipped with multiple along the perforation of supporting steel pipe 3, described perforation and institute described in the radial penetration of described supporting steel pipe 3
The diameter stating through hole is identical；Within the bottom of described supporting steel pipe 3 is inserted in described supporting sleeve 2；By through described through hole
Within with the steel bolt 7 of described perforation described supporting steel pipe 3 being fixed on described supporting sleeve 2；
Described connection sleeve pipe 4 is sheathed on the upper end of described supporting steel pipe 3, and can turn along the axis of described supporting steel pipe 3
Dynamic；Described fixed mount 5 is fixedly installed on the top of described connection sleeve pipe 4；Described level crossing 6 is arranged by a connecting shaft 8
On described fixed mount 5, described connecting shaft 8 can rotate on described fixed mount 5, thus drives described level crossing 6 in institute
State the minute surface rotating to adjust level crossing 6 on fixed mount 5.
Described underframe 1 is tripod.
The edge part of described level crossing 6 is provided with concave mirror 9.
Underframe uses stainless steel material, supports and uses firm tripod.Each supporting leg uses identical with main body crane structure
Variable-length, the pattern that steel bolt is fixing.Can be according to site environment, it is each that institute's placement location flatness carries out manual adjustment voluntarily
The length of support, it is ensured that whole revolving mirror stable in placement is smooth reliably.
Supporting sleeve on tripod matches with supporting steel pipe, can realize minute surface and move up and down, and adjusts the function of minute surface height.
Supporting sleeve and supporting steel pipe have the circular hole of multiple same diameter, consolidate supporting steel pipe by placing fixing steel bolt, thus adjust
The height of whole support bar, and then ensure that rotary-top mirror can be in most beneficial for the height measured.The top of revolving mirror includes connecting
The parts such as sleeve pipe, fixed mount, rotating mirror.Connect sleeve pipe to carry out sheathed connection with supporting steel pipe, and level 360 can be carried out
Degree rotates, and conveniently carries out taking out stitches when measuring without carrying out the rotation of bottom tripod.Fixed mount is circular, leads to rotating minute surface
Cross connecting shaft to connect, it is ensured that the minute surface of level crossing can carry out 360 degree of rotations around the axis of described connecting shaft, and be connected
Sleeve pipe matches and can complete minute surface Space Rotating function.The edge of rotating mirror is additionally provided with concave mirror, and level crossing enters
Row reflection, concave mirror has the effect collecting scattering light, it is ensured that the intensity of reflection light.
When carrying out laser ranging, need the circuit that there is flex point is found range, can be by the auxiliary multi-angle rotary mirror of the present invention
Being placed at flex point, reflect the light of laser, thus change the angle of laser, the light path of laser beam changes, and can
Adjust height and the angle of revolving mirror, thus the multi-angle realizing laser beam changes, and can adjust laser beam the most at any time
Refraction angle, thus realize existing the range finding of circuit of flex point.
According to target size and reflexive difference, hand-held laser rangefinder range can 200m.Built-in electrical tilt is utilized to pass
Sensor, slope compensation laser range finder can be to inclination.This series laser range finding/altitude meter can be applied in tree height measurement, building
The multiple applications such as construction, geological exploration, Land Property Appraisal.
The range-measurement system for cable laying range finding of the present invention, in engineering, secondary cable is laid apart from automatic acquisition device, can
In working cable raceway groove, in cable shaft, in transformer station's private cable lay layer, and broken line range finding, precision phase can be carried out
High for artificial tradition distance-finding method precision, reliably, safety.
Embodiment described above is only to be described the preferred embodiment of the present invention, not design and the model to the present invention
Enclose and be defined.On the premise of without departing from design concept of the present invention, this area ordinary person make technical scheme
Various modification and improvement, protection scope of the present invention all should be dropped into, the technology contents that the present invention is claimed, the most all
Record in detail in the claims.
Claims (3)
1., for the range-measurement system of cable laying range finding, it is characterized in that, including laser range finder (10), be used for changing Laser Measuring
The multi-angle rotary mirror (11) of the light path of the laser that distance meter (10) is launched and speculum (12)；Described laser range finder (10),
Multi-angle rotary mirror (11) and speculum (12) may be contained within cable shaft (13)；Described laser range finder (10) sets
The one end of the range finding distance being placed under cable shaft (13), described speculum (12) is provided with the other end of range finding distance；?
In described range finding distance, it is provided with multiple described multi-angle rotary mirror (11)；The laser warp that described laser range finder (10) is launched
Cross and after multi-angle revolving mirror (11) reflects successively, enter described speculum (12), then it is anti-to sequentially pass through multi-angle rotary mirror (11)
It is emitted back towards described laser range finder (10)；
Described laser range finder (10) includes single-chip microcomputer, range finding display module, temperature detecting module, alarm module, driving electricity
Road, laser emission probe, laser pick-off probe and signal processing circuit；Described range finding display module, temperature detecting module, report
Alert module, drive circuit are all connected with described single-chip microcomputer with signal processing circuit；Described laser emission probe is by described driving
Circuit is connected with described single-chip microcomputer；Described laser pick-off probe is connected with described single-chip microcomputer by described signal processing circuit；
Described revolving mirror (11) includes underframe (1), supporting sleeve (2), supporting steel pipe (3), connection sleeve pipe (4), fixes
Frame (5) and the level crossing (6) being positioned on fixed mount (5)；Described supporting sleeve (2) is fixedly installed on described underframe (1)
Top；It is provided with multiple along supporting sleeve described in the radial penetration of described supporting sleeve (2) on described supporting sleeve (2)
(2) through hole；The bottom of described supporting steel pipe (3) is also equipped with multiple radial penetration institute along described supporting steel pipe (3)
Stating the perforation of supporting steel pipe (3), described perforation is identical with the diameter of described through hole；The bottom of described supporting steel pipe (3) is inserted
Within described supporting sleeve (2)；By the steel bolt (7) through described through hole and described perforation by described supporting steel pipe (3)
Within being fixed on described supporting sleeve (2)；
Described connection sleeve pipe (4) is sheathed on the upper end of described supporting steel pipe (3), and can be along described supporting steel pipe (3)
Axis rotate；Described fixed mount (5) is fixedly installed on the top of described connection sleeve pipe (4)；Described level crossing (6) passes through
A piece connecting shaft (8) is arranged on described fixed mount (5), and described connecting shaft (8) can be upper turn of described fixed mount (5)
Dynamic, thus drive described level crossing (6) in the upper rotation of described fixed mount (5) to adjust the minute surface of level crossing (6).
Range-measurement system for cable laying range finding the most according to claim 1, is characterized in that, described underframe (1) is
Tripod.
Range-measurement system for cable laying range finding the most according to claim 1, is characterized in that, described level crossing (6)
Edge part be provided with concave mirror (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410387528.9A CN104155657B (en) | 2014-08-07 | 2014-08-07 | Range-measurement system for cable laying range finding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410387528.9A CN104155657B (en) | 2014-08-07 | 2014-08-07 | Range-measurement system for cable laying range finding |
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| Publication Number | Publication Date |
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| CN104155657A CN104155657A (en) | 2014-11-19 |
| CN104155657B true CN104155657B (en) | 2016-08-24 |
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| CN201410387528.9A Active CN104155657B (en) | 2014-08-07 | 2014-08-07 | Range-measurement system for cable laying range finding |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10215846B2 (en) * | 2015-11-20 | 2019-02-26 | Texas Instruments Incorporated | Compact chip scale LIDAR solution |
| CN110716206A (en) * | 2018-07-13 | 2020-01-21 | 探维科技(北京)有限公司 | Laser radar system |
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| CN101539423A (en) * | 2008-03-21 | 2009-09-23 | 株式会社拓普康 | Surveying device and surveying system |
| CN101566473A (en) * | 2008-03-26 | 2009-10-28 | 株式会社拓普康 | Surveying device and surveying system |
| CN103969637A (en) * | 2013-01-30 | 2014-08-06 | 株式会社理光 | Object detector |
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2014
- 2014-08-07 CN CN201410387528.9A patent/CN104155657B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101539423A (en) * | 2008-03-21 | 2009-09-23 | 株式会社拓普康 | Surveying device and surveying system |
| CN101566473A (en) * | 2008-03-26 | 2009-10-28 | 株式会社拓普康 | Surveying device and surveying system |
| CN103969637A (en) * | 2013-01-30 | 2014-08-06 | 株式会社理光 | Object detector |
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| Title |
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| 手持激光测距仪的电路设计;陈黎敏 等;《常州信息职业技术学院学报》;20090630;第8卷(第3期);第1-4页 * |
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