CN109597089A - A kind of triangle opposite side measuring instrument based on laser ranging and the cosine law - Google Patents
A kind of triangle opposite side measuring instrument based on laser ranging and the cosine law Download PDFInfo
- Publication number
- CN109597089A CN109597089A CN201811384100.3A CN201811384100A CN109597089A CN 109597089 A CN109597089 A CN 109597089A CN 201811384100 A CN201811384100 A CN 201811384100A CN 109597089 A CN109597089 A CN 109597089A
- Authority
- CN
- China
- Prior art keywords
- module
- electro
- measurement device
- distance measurement
- optical distance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005259 measurement Methods 0.000 claims abstract description 72
- 238000012360 testing method Methods 0.000 claims description 12
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
Classifications
-
- 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
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Measurement Of Optical Distance (AREA)
Abstract
The present invention provides a kind of triangle opposite side measuring instrument based on laser ranging and the cosine law, including angle measurement unit, electro-optical distance measurement device, control button module, computing module, battery and display module；The angle measurement unit, electro-optical distance measurement device connect computing module and control button module by connecting line；The battery connects computing module, display module and control button module by connecting line, for providing power supply；The control button module also connects computing module and display module by connecting line；The data measured are transmitted to computing module by the angle measurement unit, electro-optical distance measurement device, and computing module calculates opposite side side length, and calculated result is transmitted to display module.Present device is simple, easy to use, easy to carry, and suitable personnel can not be close to the linear measure longimetry in place；Survey crew's distance as you were that can measure between surrounding any two points.
Description
Technical field
The invention belongs to field of measuring technique, more particularly, to a kind of triangle based on laser ranging and the cosine law
Opposite side survey instrument.
Background technique
Present electro-optical distance measurement technology development is very mature, is widely used in total station, in laser range finder, the electricity of angle measurement
Sonization is also very mature, and molding product has electronics bevel protractor.Traditional measuring instrument is not suitable for progress can not be close to the length in place
Degree measurement, use scope is limited, and function is limited.
Summary of the invention
In view of this, the present invention is directed to propose a kind of triangle Opposite side survey based on laser ranging and the cosine law
Instrument, so that survey crew's distance as you were that can measure between surrounding any two points.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of triangle opposite side measuring instrument based on laser ranging and the cosine law, including angle measurement unit, photoelectricity
Range unit, control button module, computing module, battery and display module；
The angle measurement unit, electro-optical distance measurement device connect computing module and control button module by connecting line；
The battery connects computing module, display module and control button module by connecting line, for providing power supply；
The control button module also connects computing module and display module by connecting line；
The data measured are transmitted to computing module by the angle measurement unit, electro-optical distance measurement device, and computing module calculates
Calculated result is transmitted to display module by opposite side side length out.
Further, the electro-optical distance measurement device include laser emitting module, optical lens, laser reflection receiving module,
Laser feedback timing module, laser emitting module send light pulse to optical lens, and a part of light pulse enters Laser feedback meter
When module, through photoelectric conversion and amplification filter rectification, level signal be sent into control unit；Another part light pulse encounters target hair
Diffusing reflection is penetrated, part light pulse enters Laser feedback receiving module, is sent into through photoelectric conversion and amplification filter rectification, level signal
Control unit, described control unit include microprocessor and time to digital converter chip.
Further, the angle measurement unit includes two hinged rulers, fixes one on the ruler arm of two rulers and opens
Choma shape swept resistance piece, with the folding of ruler arm, resistance corresponding change between two rulers, the ruler is arranged by rotation axis at angle
It spends in regulating wheel, for adjusting the folding angle of two rulers, the electro-optical distance measurement device is arranged on two rulers.
Further, the calculating process of the computing module is as follows:
C=((a+r1)2+(b+r2)2-2(a+r1)x(b+r2)cosΦ+r0 2)0.5
Wherein, c is opposite side testing distance,
r0For two electro-optical distance measurement devices formed two optical axises distance,
Φ is the angle for two optical axises that two electro-optical distance measurement devices are formed,
r1For the distance of the first electro-optical distance measurement device to rotation axis,
r2For the distance of the second electro-optical distance measurement device to rotation axis,
A is distance of the laser point that measures of the first electro-optical distance measurement device to object under test one end,
B is distance of the laser point that measures of the second electro-optical distance measurement device to the object under test other end.
Compared with the existing technology, of the present invention a kind of based on the survey of the triangle opposite side of laser ranging and the cosine law
Instrument is measured, is had the advantage that
Present device is simple, easy to use, easy to carry, and suitable personnel can not be close to the linear measure longimetry in place；Measurement
Personnel's distance as you were that can measure between surrounding any two points.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of triangle opposite side measuring instrument based on laser ranging and the cosine law described in the embodiment of the present invention
Structural schematic diagram；
Fig. 2 is a kind of triangle opposite side measuring instrument based on laser ranging and the cosine law described in the embodiment of the present invention
Schematic illustration；
Fig. 3 is electro-optical distance measurement device schematic illustration described in the embodiment of the present invention；
Fig. 4 is angle measurement unit schematic illustration described in the embodiment of the present invention；
The model schematic of calculating process described in my this hair inventive embodiments of Fig. 5.
Description of symbols:
1- angle measurement unit；2- electro-optical distance measurement device；3- control button module；4- computing module；5- battery；6- is shown
Module；7- swept resistance piece；8- ruler arm；9- shaft；10- angle adjustment wheel.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figs. 1-2, the present invention provides a kind of triangle opposite side measuring instrument based on laser ranging and the cosine law,
Including angle measurement unit 1, electro-optical distance measurement device 2, control button module 3, computing module 4, battery 5 and display module 6；
The angle measurement unit 1, electro-optical distance measurement device 2 connect computing module 4 and control button mould by connecting line
Block 3；
The battery 5 connects computing module 4, display module 6 and control button module 3 by connecting line, for providing
Power supply；
The control button module 3 also connects computing module 4 and display module 6 by connecting line；
The data measured are transmitted to computing module 4, computing module 4 by the angle measurement unit 1, electro-optical distance measurement device 2
Opposite side side length is calculated, calculated result is transmitted to display module 6.
It is as described in Figure 3 electro-optical distance measurement device schematic illustration, the electro-optical distance measurement device includes laser emitting module, light
Camera lens, laser reflection receiving module, Laser feedback timing module, laser emitting module transmission light pulse to optical lens, one
Part light pulse enters Laser feedback timing module, is sent into control unit through photoelectric conversion and amplification filter rectification, level signal；
Another part light pulse encounters objective emission diffusing reflection, and part light pulse enters Laser feedback receiving module, through photoelectric conversion and
Amplify filter rectification, level signal is sent into control unit, and described control unit includes microprocessor and time to digital converter chip.
Wherein, if D is testing distance,
T time used in distance between round-trip measurement point and determinand,
C is the speed (assuming that environmental parameter that measurement has been arranged) that laser is propagated in air,
Air index when n is measurement, then, it is easy to get:
D=CT/2n
Particularly simple, the measurement adjusted the distance is changed into the measurement to the time difference by we, so, it is surveyed in pulse type laser
Away from, the only transmitting for needing to measure is joined with the time interval, the air index by such environmental effects, environment for receiving laser
Several and laser propagation speed.
It is illustrated in figure 4 angle measurement unit schematic illustration, the angle measurement unit includes two hinged rulers,
An open annular swept resistance piece 7 is fixed on the ruler arm 8 of two rulers, with the folding of ruler arm 8, resistance is mutually strained between two rulers
Change, the ruler is arranged in angle adjustment wheel 10 by rotation axis 9, for adjusting the folding angle of two rulers, the photoelectricity
Range unit 2 is arranged on two rulers.Hinged one section of two rulers, two rulers insulation are fixed one on ruler arm 8 and are opened
Choma shape swept resistance piece 7, with the folding of ruler arm 8, resistance corresponding change between two rulers realizes the electronization of angle measurement.
It is illustrated in figure 5 the computation model of computing module, wherein c is opposite side testing distance,
r0For two electro-optical distance measurement devices 2 formed two optical axises distance,
Φ is the angle for two optical axises that two electro-optical distance measurement devices 2 are formed,
r1For the distance of the first electro-optical distance measurement device to rotation axis,
r2For the second electro-optical distance measurement device to the distance of rotation axis 9,
A is distance of the laser point that measures of the first electro-optical distance measurement device to object under test one end,
B is distance of the laser point that measures of the second electro-optical distance measurement device to the object under test other end；
First plane is the first electro-optical distance measurement device and the plane that object under test one end is formed；
Second plane is the plane that the second electro-optical distance measurement device and the object under test other end are formed；
Due to: the first plane is parallel with the second plane, a+r1Projected length a in the second plane1+r1With a+r1It is equal
According to the cosine law
d2=((a+r1)2+(b+r2)2-2(a+r1)x(b+r2)cosΦ
Further according to right angled triangle Pythagorean theorem
C2=d2+r0 2
In summary two formula obtain
C=((a+r1)2+(b+r2)2-2(a+r1)x(b+r2)cosΦ+r0 2)0.5。
Operating process of the invention is as follows:
(a) it is switched on, battery whole system power supply, electro-optical distance measurement device 2 projects laser, bright light of breaking forth on measured object
Point.
(b) rotational angle regulating wheel 10 drives the ruler arm 8 of angle measurement unit 1 to rotate, sights two luminous points by ranging
From both ends.
(c) measurement key is pressed, 2 data measured of electro-optical distance measurement device are transferred to computing module 4, angle measurement unit 1
Angle-data is transmitted to computing module 4, computing module 4 calculates opposite side side length, result is transferred to display module after the completion of calculating
6。
(d) display module 6 shows opposite side length value, is measured.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (4)
1. a kind of triangle opposite side measuring instrument based on laser ranging and the cosine law, it is characterised in that: including angle measurement
Device, electro-optical distance measurement device, control button module, computing module, battery and display module；
The angle measurement unit, electro-optical distance measurement device connect computing module and control button module by connecting line；
The battery connects computing module, display module and control button module by connecting line, for providing power supply；
The control button module also connects computing module and display module by connecting line；
The data measured are transmitted to computing module by the angle measurement unit, electro-optical distance measurement device, and computing module calculates pair
Calculated result is transmitted to display module by side side length.
2. a kind of triangle opposite side measuring instrument based on laser ranging and the cosine law according to claim 1, special
Sign is: the electro-optical distance measurement device includes laser emitting module, optical lens, laser reflection receiving module, Laser feedback meter
When module, laser emitting module send light pulse to optical lens, a part of light pulse enters Laser feedback timing module, through light
Electricity conversion and amplification filter rectification, level signal are sent into control unit；Another part light pulse encounters objective emission diffusing reflection, portion
Light splitting pulse enters Laser feedback receiving module, is sent into control unit, institute through photoelectric conversion and amplification filter rectification, level signal
Stating control unit includes microprocessor and time to digital converter chip.
3. a kind of triangle opposite side measuring instrument based on laser ranging and the cosine law according to claim 2, special
Sign is: the angle measurement unit includes two hinged rulers, and an open annular sliding is fixed on the ruler arm of two rulers
Resistor disc, with the folding of ruler arm, resistance corresponding change between two rulers, the ruler is arranged by rotation axis in angle adjustment wheel
On, for adjusting the folding angle of two rulers, the electro-optical distance measurement device is arranged on two rulers.
4. a kind of triangle opposite side measuring instrument based on laser ranging and the cosine law according to claim 3, special
Sign is: the calculating process of the computing module is as follows:
C=((a+r1)2+(b+r2)2-2(a+r1)x(b+r2)cosΦ+r0 2)0.5
Wherein, c is opposite side testing distance,
r0For two electro-optical distance measurement devices formed two optical axises distance,
Φ is the angle for two optical axises that two electro-optical distance measurement devices are formed,
r1For the distance of the first electro-optical distance measurement device to rotation axis,
r2For the distance of the second electro-optical distance measurement device to rotation axis,
A is distance of the laser point that measures of the first electro-optical distance measurement device to object under test one end,
B is distance of the laser point that measures of the second electro-optical distance measurement device to the object under test other end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811384100.3A CN109597089A (en) | 2018-11-20 | 2018-11-20 | A kind of triangle opposite side measuring instrument based on laser ranging and the cosine law |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811384100.3A CN109597089A (en) | 2018-11-20 | 2018-11-20 | A kind of triangle opposite side measuring instrument based on laser ranging and the cosine law |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109597089A true CN109597089A (en) | 2019-04-09 |
Family
ID=65959175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811384100.3A Pending CN109597089A (en) | 2018-11-20 | 2018-11-20 | A kind of triangle opposite side measuring instrument based on laser ranging and the cosine law |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109597089A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505714A (en) * | 2020-12-22 | 2021-03-16 | 南昌大学 | Laser range finder based on double-angle sensor and range finding method |
| CN112711005A (en) * | 2020-12-29 | 2021-04-27 | 深圳市利拓光电有限公司 | Distance measuring device based on laser and control method |
| CN115031638A (en) * | 2022-06-10 | 2022-09-09 | 中交第二航务工程局有限公司 | Shallow-buried bias-pressure multi-arch tunnel construction displacement monitoring method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014109469A (en) * | 2012-11-30 | 2014-06-12 | Akito:Kk | Position measurement drawing device |
| CN104457590A (en) * | 2014-12-30 | 2015-03-25 | 上海电缆研究所 | Conductor sag monitoring device based on laser distance measurement and monitoring methods |
| CN204955848U (en) * | 2015-09-25 | 2016-01-13 | 国家电网公司 | Chi is drawn to experimental data chart |
| CN206583411U (en) * | 2017-03-02 | 2017-10-24 | 莫敏华 | A kind of skyscraper measurement apparatus |
-
2018
- 2018-11-20 CN CN201811384100.3A patent/CN109597089A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014109469A (en) * | 2012-11-30 | 2014-06-12 | Akito:Kk | Position measurement drawing device |
| CN104457590A (en) * | 2014-12-30 | 2015-03-25 | 上海电缆研究所 | Conductor sag monitoring device based on laser distance measurement and monitoring methods |
| CN204955848U (en) * | 2015-09-25 | 2016-01-13 | 国家电网公司 | Chi is drawn to experimental data chart |
| CN206583411U (en) * | 2017-03-02 | 2017-10-24 | 莫敏华 | A kind of skyscraper measurement apparatus |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112505714A (en) * | 2020-12-22 | 2021-03-16 | 南昌大学 | Laser range finder based on double-angle sensor and range finding method |
| CN112711005A (en) * | 2020-12-29 | 2021-04-27 | 深圳市利拓光电有限公司 | Distance measuring device based on laser and control method |
| CN112711005B (en) * | 2020-12-29 | 2024-05-17 | 深圳市利拓光电有限公司 | Distance measuring device based on laser and control method |
| CN115031638A (en) * | 2022-06-10 | 2022-09-09 | 中交第二航务工程局有限公司 | Shallow-buried bias-pressure multi-arch tunnel construction displacement monitoring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102636459B (en) | Forward scattering and transmission combined visibility measuring instrument and measuring method thereof | |
| CN103076065B (en) | Laser measuring device for detecting liquid level of liquid metal | |
| CN109597089A (en) | A kind of triangle opposite side measuring instrument based on laser ranging and the cosine law | |
| CN205062629U (en) | Pavement detection device | |
| CN1948953B (en) | Based on laser rediffusion type atmospheric visibility testing method and testing instrument thereof | |
| CN102879359A (en) | Atmospheric visibility measuring system | |
| CN206945971U (en) | radar | |
| CN104062236A (en) | Atmospheric visibility detection device based on cavity ring-down technology and application method | |
| CN107421917A (en) | A kind of multifunction high-precision atmosphere visibility meter and visibility measurement method | |
| CN206132006U (en) | Photoelectricity school axle appearance | |
| CN208092264U (en) | A kind of atmospheric turbulence intensity and visibility measurement device | |
| CN106403913A (en) | Surveying and mapping apparatus, system and method | |
| CN109342758A (en) | New speed sensor | |
| CN206113941U (en) | Surveying and mapping device | |
| CN206772826U (en) | A kind of multifunction high-precision atmosphere visibility meter | |
| CN103528801B (en) | LED lamp type unified glare value optical measuring device | |
| CN206057567U (en) | A kind of Minitype infrared range unit | |
| CN208596228U (en) | Speed sensor based on Doppler effect | |
| CN105866789A (en) | Hand-held line patrol range finder | |
| CN207181297U (en) | Portable visibility transilluminator | |
| CN109029764A (en) | A kind of photoelectric hybrid non-contact temperature measuring device | |
| CN103134964A (en) | Static electricity optical fiber measurement appliance and measurement method | |
| CN103162675A (en) | Total station point location centering indicator | |
| CN205062630U (en) | Portable pavement detection device | |
| CN205898678U (en) | A device for detecting methane gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190409 |
|
| RJ01 | Rejection of invention patent application after publication |