CN105334509B - Laser-measured height range unit and measuring method - Google Patents
Laser-measured height range unit and measuring method Download PDFInfo
- Publication number
- CN105334509B CN105334509B CN201510848897.8A CN201510848897A CN105334509B CN 105334509 B CN105334509 B CN 105334509B CN 201510848897 A CN201510848897 A CN 201510848897A CN 105334509 B CN105334509 B CN 105334509B
- Authority
- CN
- China
- Prior art keywords
- laser
- adjustable base
- adjustable
- angle
- laser beam
- 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.)
- Active
Links
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
- G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
- G01S11/12—Systems for determining distance or velocity not using reflection or reradiation using electromagnetic waves other than radio waves
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Optical Distance (AREA)
Abstract
The invention discloses laser-measured height range unit and measuring method, visible collimated laser beam is set to incide at a certain angle on the face of cylinder, its reflection laser beam is with the increase of distance, minor axis diameter is constant, and the length of major axis can be increasing, the length of major axis is measured by CCD camera, you can to calculate to obtain the distance between laser light incident point and receiving point, and by angle parameter and then obtain horizontal range and height between 2 points.Laser-measured height range unit and measuring method that the present invention is provided, it is simple to operate, it is easy to the measuring height and distance between remote two measurement points.
Description
Technical field
The present invention relates to technical field of measuring equipment, more particularly to a kind of laser-measured height range unit and measuring method.
Background technology
Laser range finder is a kind of widely used instrument, and the principle of present laser rangefinder is to make laser transmitting a branch of
Target to be measured is arrived in pulse or the irradiation of continuous laser, after certain time, and laser beam irradiation is to target to be measured and is reflected,
Then received by rangefinder, by the light velocity be multiplied with the time and divided by two distances that can obtain rangefinder and target to be measured, still,
Laser energy after this kind of laser range finder measurement reflection, optical length, measurement distance is restricted；In addition, when the distance is greater,
Use this kind of laser range finder that incoming laser beam must be made vertical with target surface to be measured to strengthen reflected light, increase measurement difficult
Degree.
The content of the invention
In order to solve problem of the prior art, one of the object of the invention is to provide a kind of laser-measured height range unit, and it is tied
Structure is simple, is easy to the measuring height and distance between remote two measurement points.
Another object of the present invention is to provide a kind of measuring method of laser-measured height range unit.
Based on above mentioned problem, the technical scheme that the present invention is provided is：
Laser-measured height range unit, including be respectively placed in the laser signal generation module of measurement high point and measurement low spot and swash
Optical signal receiving module；
Module, which occurs, for the laser signal includes laser, the first adjustable base and is arranged on first adjustable base
On cylindrical mirror, first level instrument, first angle instrument and sender unit, the cylindrical mirror and the laser
Device is oppositely arranged, and the first level instrument, first angle instrument are connected with the sender unit signal, first adjustable base
Bottom be provided with the first adjustable supports；
The laser signal receiving module includes the second adjustable base and the micro- meter being arranged on second adjustable base
Calculation machine, signal receiver, the second level meter, second angle instrument and the laser beam the reflected beams for receiving laser output
CCD camera, the CCD camera is oppositely arranged with the cylindrical mirror, the CCD camera, signal receiver with it is described micro-
Electrical connection is calculated, the bottom of second adjustable base is provided with the second adjustable supports；
It is vertical with first adjustable base with the section that the cylindrical mirror minute surface is tangent, the section with
The intersection of the cylindrical mirror is the incident bus of the cylindrical mirror, the center of the laser output laser beam
Line intersects with incident bus, and the center line of the laser beam is with the plane where the center line of reflection laser beam perpendicular to incident female
Line.
In one of which embodiment, the laser is He-Ne laser, and the laser beam that the laser is sent is in
A diameter of 0.5~2 millimeter cylindric, the power of the laser beam is 1~5 milliwatt.
It is the cylinder through the incident bus and the face vertical with the section in one of which embodiment
The normal plane of face speculum, the angle of the center line of the laser beam and the normal plane is 15~30 degree.
In one of which embodiment, when first adjustable base and second adjustable base are in horizontality
When, the laser signal receiving plane of the CCD camera and the angle of vertical guide incide the circle equal to the laser beam center line
The incidence angle of cylindrical mirror.
In one of which embodiment, first adjustable supports and second adjustable supports respectively can including four
Adjust support feet.
Based on problem above, another technical scheme that the present invention is provided is：
The measuring method of laser-measured height range unit, comprises the following steps：
(1) laser signal generation module is placed on the higher measurement point in position, laser signal receiving module is placed on
The relatively low measurement point in position, by CCD camera towards cylindrical mirror；
(2) the first adjustable supports of the first adjustable base bottom are adjusted, by reading the numerical value of first level instrument, by first
Adjustable base is adjusted to level；The second adjustable supports of the second adjustable base bottom are adjusted, by the number for reading the second level meter
Value, the second adjustable base is adjusted to level；
(3) laser is opened, the laser beam that laser is sent is irradiated to cylindrical mirror, and the first adjustable supports of regulation make
First adjustable base is rotated around Y-axis, laser beam is reflexed to CCD camera, and now the first adjustable bottom is read by first angle instrument
The angle parameter β of first adjustable base and horizontal plane is sent to signal and received by the angle β of seat and horizontal plane, sender unit
Angle parameter β is sent to microcomputer and shown by data wire by device, signal receiver, and second is adjusted according to angle parameter β
Adjustable supports make the second adjustable base be rotated around Y-axis, and the angular values for showing second angle instrument are consistent with β；
(4) the length r ' of elliptical spot major axis in CCD camera is obtained, by between microcomputer two measurement points of calculating
Air line distance d, horizontal range dxAnd relative altitude h, calculation formula is：
dx=d*cos (alpha-beta)
H=d*sin (alpha-beta)
In formula：
The angle of plane where α, incoming laser beam and the first adjustable base；
β, the angle of the first adjustable base and horizontal plane after being adjusted through step (3)；
R, the diameter of incoming laser beam；
The length of elliptical spot major axis in r ', CCD camera；
R, the diameter on the cylindrical mirror face of cylinder；
Air line distance between d, two measurement points；
dx, the horizontal range between two measurement points；
Relative altitude between h, two measurement points.
The present invention operation principle be：Visible collimated laser beam is set to incide at a certain angle on the face of cylinder, it, which reflects, swashs
Light beam is with the increase of distance, and minor axis diameter is constant, and the length of major axis can be increasing, and major axis is measured by CCD camera
Length, you can to calculate to obtain the distance between laser light incident point and receiving point, and by angle parameter and then obtain between 2 points
Horizontal range and height.
Compared with prior art, it is an advantage of the invention that：
Using technical scheme, the apparatus structure is simple, easy to operate, is adapted to two of remote, big height
Measuring height and distance between measurement point.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, being used required in being described below to embodiment
Accompanying drawing be briefly described, drawings in the following description are only some embodiments of the present invention, for the common skill in this area
For art personnel, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of laser-measured height range unit embodiment of the present invention；
Fig. 2 is the schematic diagram of cylindrical mirror in the embodiment of the present invention；
Fig. 3 in the present invention in calculation formula each parameter schematic diagram；
Wherein：
100th, module occurs for laser signal；101st, laser；102nd, laser beam；103rd, cylindrical mirror；103a, cut flat with
Face；103b, normal plane；103c, incident bus；104th, first level instrument；105th, first angle instrument；106th, sender unit；
107th, the first adjustable base；108th, the first adjustable supports；
200th, laser signal receiving module；201st, CCD camera；202nd, microcomputer；203rd, data wire；204th, signal is received
Device；205th, the second level meter；206th, second angle instrument；207th, the second adjustable base；208th, the second adjustable supports；
The angle of plane where α, incoming laser beam and the first adjustable base；
The angle of β, the first adjustable base and horizontal plane；
R, the diameter of incoming laser beam；
The length of elliptical spot major axis in r ', CCD camera；
R, the diameter on the cylindrical mirror face of cylinder.
Embodiment
Such scheme is described further below in conjunction with specific embodiment.It should be understood that these embodiments are to be used to illustrate
The present invention and be not limited to limit the scope of the present invention.The implementation condition used in embodiment can be done according to the condition of specific producer
Further adjustment, unreceipted implementation condition is usually the condition in normal experiment.
Referring to Fig. 1-2, be the present invention structural representation there is provided a kind of laser-measured height range unit, including be respectively placed in
Module 100 and laser signal receiving module 200 occur for the laser signal for measuring high point and measurement low spot, and wherein laser signal occurs
Module 100 includes laser 101, the first adjustable base 107 and the cylindrical mirror being arranged on the first adjustable base 107
103rd, first level instrument 104, first angle instrument 105 and sender unit 106, cylindrical mirror 103 are relative with laser 101
Set, first level instrument 104 and first angle instrument 105 are connected with the signal of sender unit 106, in the first adjustable base 107
Bottom be provided with the first adjustable supports 108, the first adjustable supports 108 include four adjustable support foots；Laser signal receiving module
200 include the second adjustable base 207 and be arranged on the second adjustable base 207 microcomputer 202, signal receiver 204,
Second level meter 205, second angle instrument 206 and CCD camera 201, wherein CCD camera 201 are relative with cylindrical mirror 103 to be set
The reflected beams for receiving laser beam 102 are put, CCD camera 201, signal receiver 204 are electrically connected with microcomputer 202,
The bottom of second adjustable base 207 is provided with the second adjustable supports 208, and the second adjustable supports 208 include four adjustable support foots.
It is vertical with the first adjustable base 107 with the section 103a that the minute surface of cylindrical mirror 103 is tangent, the section
The intersection of 103a and cylindrical mirror 103 is the incident bus 103c of cylindrical mirror 103, and what laser 101 was exported swashs
The center line of light beam 102 intersects with incidence bus 103c, where the center line of laser beam 102 and the center line of reflection laser beam
Plane is perpendicular to incident bus 103c.
For the ease of the calculating of measuring height and distance, when the first adjustable base 107 and the second adjustable base 207 are in horizontality
When, it is anti-that the laser signal receiving plane of CCD camera 201 and the angle of vertical guide incide the face of cylinder equal to the center line of laser beam 102
Penetrate the incidence angle of mirror 103.
In this example, laser 101 is He-Ne laser, and the laser beam 102 that laser 101 is sent is diametrically 0.5~2 milli
Rice it is cylindric, the power of laser beam 102 is 1~5 milliwatt.
Through the normal plane 103b that incident bus 103c and the face vertical with section 103a are cylindrical mirror 103,
The center line of laser beam 102 and normal plane 103b angle are 15~30 degree.
The measuring method of laser-measured height range unit, comprises the following steps in the present invention：
(1) laser signal generation module 100 is placed on the higher measurement point in position, by laser signal receiving module 200
The relatively low measurement point in position is placed on, by CCD camera 201 towards cylindrical mirror 103；
(2) the first adjustable supports 108 of regulation the first adjustable base 107 bottom, by the number for reading first level instrument 104
Value, the first adjustable base 107 is adjusted to level；The second adjustable supports 208 of the bottom of the second adjustable base 207 are adjusted, are passed through
The numerical value of the second level meter 205 is read, the second adjustable base 207 is adjusted to level；
(3) laser 101 is opened, the laser beam 102 that laser 101 is sent is irradiated to cylindrical mirror 103, regulation the
One adjustable supports 108 make the first adjustable base 107 be rotated around Y-axis, laser beam 102 is reflexed to CCD camera 201, pass through first
Inclinometer 105 reads the angle β of now the first adjustable base 107 and horizontal plane, and sender unit 106 is by the first adjustable base
107 are sent to signal receiver 204 with the angle parameter β of horizontal plane, and signal receiver 204 is joined angle by data wire 203
Number β sends to microcomputer 202 and shown, adjusting the second adjustable supports 208 according to angle parameter β makes the second adjustable base 207
Rotated around Y-axis, the angular values for showing second angle instrument 206 are consistent with β；
(4) the length r ' of elliptical spot major axis in CCD camera 201 is obtained, two measurements are calculated by microcomputer 202
Air line distance d, horizontal range d between pointxAnd relative altitude h, calculation formula is：
dx=d*cos (alpha-beta)
H=d*sin (alpha-beta)
Each parameter is as shown in Figure 3 in calculation formula
In formula：
The angle of plane where α, incoming laser beam and the first adjustable base；
β, the angle of the first adjustable base and horizontal plane after being adjusted through step (3)；
R, the diameter of incoming laser beam；
The length of elliptical spot major axis in r ', CCD camera；
R, the diameter on the cylindrical mirror face of cylinder；
Air line distance between d, two measurement points；
dx, the horizontal range between two measurement points；
Relative altitude between h, two measurement points.
The foregoing examples are merely illustrative of the technical concept and features of the invention, its object is to allow the person skilled in the art to be
Present disclosure can be understood and implemented according to this, it is not intended to limit the scope of the present invention.It is all smart according to the present invention
Equivalent transformation or modification that refreshing essence is done, should all be included within the scope of the present invention.
Claims (6)
1. laser-measured height range unit, it is characterised in that：Laser signal hair including being respectively placed in measurement high point and measurement low spot
Raw module (100) and laser signal receiving module (200)；
Module (100), which occurs, for the laser signal includes laser (101), the first adjustable base (107) and is arranged on described the
Cylindrical mirror (103), first level instrument (104), first angle instrument (105) and signal hair on one adjustable base (107)
Device (106) is sent, the cylindrical mirror (103) is oppositely arranged with the laser (101), the first level instrument (104),
First angle instrument (105) is connected with the sender unit (106) signal, and the bottom of first adjustable base (107) is provided with
First adjustable supports (108)；
The laser signal receiving module (200) includes the second adjustable base (207) and is arranged on second adjustable base
(207) microcomputer (202), signal receiver (204), the second level meter (205), second angle instrument (206) on and it is used for
Receive laser (101) outgoing laser beam (102) the reflected beams CCD camera (201), the CCD camera (201) with it is described
Cylindrical mirror (103) is oppositely arranged, the CCD camera (201), signal receiver (204) and the microcomputer (202)
Electrical connection, the bottom of second adjustable base (207) is provided with the second adjustable supports (208)；
It is vertical with first adjustable base (107) with the section (103a) that the cylindrical mirror (103) minute surface is tangent,
The section (103a) and the intersection of the cylindrical mirror (103) are female for the incidence of the cylindrical mirror (103)
Line (103c), the center line of laser (101) outgoing laser beam (102) intersects with incident bus (103c), the laser
The center line of beam (102) is with the plane where the center line of reflection laser beam perpendicular to incident bus (103c).
2. laser-measured height range unit according to claim 1, it is characterised in that：The laser (101) is swashed for He-Ne
Light device, the laser beam (102) that the laser (101) sends is diametrically 0.5~2 millimeter of cylindric, the laser beam
(102) power is 1~5 milliwatt.
3. laser-measured height range unit according to claim 2, it is characterised in that：Through the incident bus (103c) simultaneously
The face vertical with the section (103a) is the normal plane (103b) of the cylindrical mirror (103), the laser beam
(102) angle of center line and the normal plane (103b) is 15~30 degree.
4. laser-measured height range unit according to claim 1, it is characterised in that：When first adjustable base (107)
When being in horizontality with second adjustable base (207), the laser signal receiving plane and vertical of the CCD camera (201)
The angle in face is equal to the incidence angle that the laser beam (102) center line incides the cylindrical mirror (103).
5. laser-measured height range unit according to claim 1, it is characterised in that：First adjustable supports (108) and
Second adjustable supports (208) include four adjustable support foots respectively.
6. the measuring method of laser-measured height range unit, it is characterised in that comprise the following steps：
(1) module (100) is occurred into for laser signal and is placed on the higher measurement point in position, by laser signal receiving module (200)
The relatively low measurement point in position is placed on, by CCD camera (201) towards cylindrical mirror (103)；
(2) first adjustable supports (108) of the first adjustable base (107) bottom are adjusted, by reading first level instrument (104)
Numerical value, by the first adjustable base (107) regulation to level；Adjust the second adjustable supports of the second adjustable base (207) bottom
(208), by reading the numerical value of the second level meter (205), by the second adjustable base (207) regulation to level；
(3) laser (101) is opened, the laser beam (102) that laser (101) is sent is irradiated to cylindrical mirror (103), adjusted
Saving the first adjustable supports (108) makes the first adjustable base (107) be rotated around Y-axis, laser beam (102) is reflexed to CCD camera
(201) the angle β of now the first adjustable base (107) and horizontal plane, sender unit, are read by first angle instrument (105)
(106) the angle parameter β of the first adjustable base (107) and horizontal plane is sent to signal receiver (204), signal receiver
(204) angle parameter β is sent to microcomputer (202) and shown by data wire (203), according to angle parameter β regulations the
Two adjustable supports (208) make the second adjustable base (207) around Y-axis rotate, make second angle instrument (206) show angular values with
β is consistent；
(4) the length r ' of elliptical spot major axis in CCD camera (201) is obtained, two measurements are calculated by microcomputer (202)
Air line distance d, horizontal range d between pointxAnd relative altitude h, calculation formula is：
dx=d*cos (alpha-beta)
H=d*sin (alpha-beta)
In formula：
The angle of plane where α, incoming laser beam and the first adjustable base；
β, the angle of the first adjustable base and horizontal plane after being adjusted through step (3)；
R, the diameter of incoming laser beam；
The length of elliptical spot major axis in r ', CCD camera；
R, the diameter on the cylindrical mirror face of cylinder；
Air line distance between d, two measurement points；
dx, the horizontal range between two measurement points；
Relative altitude between h, two measurement points.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510848897.8A CN105334509B (en) | 2015-11-27 | 2015-11-27 | Laser-measured height range unit and measuring method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510848897.8A CN105334509B (en) | 2015-11-27 | 2015-11-27 | Laser-measured height range unit and measuring method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105334509A CN105334509A (en) | 2016-02-17 |
| CN105334509B true CN105334509B (en) | 2017-07-25 |
Family
ID=55285150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510848897.8A Active CN105334509B (en) | 2015-11-27 | 2015-11-27 | Laser-measured height range unit and measuring method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105334509B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109341578B (en) * | 2018-10-22 | 2021-03-02 | 东旭光电科技股份有限公司 | Measuring device and measuring method of curved glass |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6079283A (en) * | 1983-10-06 | 1985-05-07 | Mitsubishi Electric Corp | Remote measuring apparatus |
| EP0510363B1 (en) * | 1991-03-20 | 1996-06-05 | Mitsubishi Denki Kabushiki Kaisha | Distance measuring device |
| CN103454065A (en) * | 2012-06-05 | 2013-12-18 | 上海微电子装备有限公司 | Scattering measurement focusing device and method used for lithographic equipment |
| CN105078404A (en) * | 2015-09-02 | 2015-11-25 | 北京津发科技股份有限公司 | Fully automatic eye movement tracking distance measuring calibration instrument based on laser algorithm and use method of calibration instrument |
| CN205157780U (en) * | 2015-11-27 | 2016-04-13 | 盐城工学院 | Laser height finding range unit |
-
2015
- 2015-11-27 CN CN201510848897.8A patent/CN105334509B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6079283A (en) * | 1983-10-06 | 1985-05-07 | Mitsubishi Electric Corp | Remote measuring apparatus |
| EP0510363B1 (en) * | 1991-03-20 | 1996-06-05 | Mitsubishi Denki Kabushiki Kaisha | Distance measuring device |
| CN103454065A (en) * | 2012-06-05 | 2013-12-18 | 上海微电子装备有限公司 | Scattering measurement focusing device and method used for lithographic equipment |
| CN105078404A (en) * | 2015-09-02 | 2015-11-25 | 北京津发科技股份有限公司 | Fully automatic eye movement tracking distance measuring calibration instrument based on laser algorithm and use method of calibration instrument |
| CN205157780U (en) * | 2015-11-27 | 2016-04-13 | 盐城工学院 | Laser height finding range unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105334509A (en) | 2016-02-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201622345U (en) | Laser distance measurement device | |
| CN104006892B (en) | Device, method and the light path collimation method of a kind of measuring laser beam quality | |
| CN205593490U (en) | Tunnel engineering deformation monitoring combination measurement station device | |
| CN107655659A (en) | Laser communication terminal vacuum test system and test method thereof | |
| CN102679952A (en) | Method for measuring gradient of wind generating set tower | |
| CN106017519A (en) | Optical fiber Fabry-Perot sensor demodulation system and method | |
| CN107515402A (en) | A kind of TOF three-dimensionals range-measurement system | |
| CN205157780U (en) | Laser height finding range unit | |
| CN207263924U (en) | A kind of improved power-line patrolling shaft tower modeling laser radar system | |
| CN104570146A (en) | Space debris detection imaging and communication system | |
| CN104266584A (en) | Automatic feedback light intensity adjusting device for laser self-mixing interference system | |
| CN208547713U (en) | A kind of laser range finder ranging apparatus for correcting | |
| CN107153195A (en) | Multi-line laser radar and multi-line laser radar control method | |
| CN105334509B (en) | Laser-measured height range unit and measuring method | |
| CN104656095A (en) | Wireless 4G (4th-generation) distance measurement sensor based on TOF (time of flight) technology and realization method for wireless 4G distance measurement sensor | |
| CN105333860B (en) | Measuring height and distance device and measuring method | |
| CN113655625A (en) | Light beam device with atmospheric turbulence resistance | |
| CN105300303A (en) | Ground automatic measurement device for measuring vertical distance between power transmission circuit and tree and method | |
| CN203772260U (en) | Optical fiber laser ranging ray machine system | |
| CN102323592A (en) | Normalization method of target echo signal | |
| CN106855621A (en) | A kind of Portable Mie lidar device | |
| CN207423494U (en) | Laser communication terminal vacuum test system | |
| CN209584747U (en) | High-speed railway movable precise adjusting device for track slab | |
| CN205156910U (en) | Height finding range unit | |
| CN105973452B (en) | Vibration monitoring system and vibration monitoring method for remote bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181212 Address after: 224400 Filtration Industrial Park No. 9, Funing County, Yancheng City, Jiangsu Province Patentee after: Jiangsu SuLong Environmental Protection Technology Co., Ltd. Address before: 224051 middle road of hope Avenue, Yancheng City, Jiangsu Province, No. 1 Patentee before: Yangcheng Institute of Technology |