CN105137414B - A kind of measurement apparatus for lateral lidar measurement aerosol parameters - Google Patents
A kind of measurement apparatus for lateral lidar measurement aerosol parameters Download PDFInfo
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- CN105137414B CN105137414B CN201510443717.8A CN201510443717A CN105137414B CN 105137414 B CN105137414 B CN 105137414B CN 201510443717 A CN201510443717 A CN 201510443717A CN 105137414 B CN105137414 B CN 105137414B
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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
- 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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- Computer Networks & Wireless Communication (AREA)
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
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- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention belongs to gasoloid technical field, and in particular to a kind of measurement apparatus for lateral lidar measurement aerosol parameters.This measurement apparatus includes pedestal, rotation mechanism in vertical shaft is provided with the upside of the pedestal, luffing mechanism is provided with the upside of rotation mechanism in vertical shaft, the luffing mechanism has been fixedly arranged at the upper side the lateral laser radar mechanisms of CCD, the lateral laser radar mechanisms of CCD include the laser radar of CCD camera and transmitting laser beam, the CCD camera is arranged on the upside of laser radar, and the axis of the CCD camera camera lens is parallel with the direction for the laser beam that laser radar is launched.During work, laser radar and CCD camera is set to synchronously rotate in the horizontal direction by rotation mechanism in vertical shaft, laser radar and CCD camera in the vertical direction is synchronously rotated by luffing mechanism, ensure that the emitter in the lateral laser radar of CCD imagings and reception device action are consistent.
Description
Technical field
The invention belongs to gasoloid technical field, and in particular to one kind is used for lateral lidar measurement aerosol ginseng
Several measurement apparatus.
Background technology
It is a kind of new technology studied in the world that CCD, which is imaged lateral laser radar, and it is with receiving by emitter
Device, which is divided at two, to be placed, and launches lateral at different distance on light beam with the signal intensity record in CCD camera in different pixels
Scattered light intensity.The vertical range of CCD camera to transmitting light beam is general in 5~200m, and the subtended angle of CCD camera may achieve 90 degree.
So, the beam range that CCD camera can be detected is up to 0~5km.
In order to obtain accurate measurement result, CCD is imaged emitter and reception device in lateral laser radar
Between need to realize that good action coordinates, namely the action of the two must be harmonious, and in the prior art, emitter and
The action of reception device therebetween is often difficult to keep synchronous, is also just difficult to obtain accurate measurement result.
The content of the invention
It is an object of the invention to provide a kind of measurement apparatus for lateral lidar measurement aerosol parameters, the present apparatus
The emitter and reception device action being able to ensure that in the lateral laser radar of CCD imagings are consistent, so as to help to obtain
Accurate measurement result.
For achieving the above object, the present invention is adopted the following technical scheme that：
A kind of measurement apparatus for lateral lidar measurement aerosol parameters, this measurement apparatus includes pedestal, described
It is provided with the upside of pedestal on the upside of rotation mechanism in vertical shaft, rotation mechanism in vertical shaft and is provided with luffing mechanism, the luffing mechanism
The lateral laser radar mechanisms of CCD are fixedly arranged at the upper side, the lateral laser radar mechanisms of CCD include CCD camera and transmitting swashs
The laser radar of light beam, the CCD camera is arranged on the upside of laser radar, and the axis of the CCD camera camera lens is with swashing
The direction for the laser beam that optical radar is launched is parallel.
It is preferred that, the pedestal includes the lower shoe and upper plate being coupled to each other together, and the rotation mechanism in vertical shaft is consolidated
Surely it is arranged on upper plate, levelling gear is provided between the lower shoe and upper plate.
It is preferred that, the levelling gear includes stud and extension spring, and the bottom of the stud passes through upper bottom from top to bottom
Plate is simultaneously tightly resisted against on lower shoe, and stud constitutes screw thread with upper plate and coordinated, and the bottom of stud is that abutment end is in plane
Shape；Upper gib head, the lower gib head of the extension spring are each passed through the cross-arm that is fixed on upper plate and lower shoe and by upper plate
Tightly it is linked together with lower shoe；The levelling gear is set to three, and three levelling gears set up separately the three of upper plate
At individual angle.
It is preferred that, the rotation mechanism in vertical shaft includes horizontally rotating drive case and horizontally rotates adjusting handle, and level turns
Dynamic drive case is installed on pedestal, and horizontally rotates the first worm-and-wheel gear is provided with drive case, and the level turns
Dynamic adjusting handle is set at the input shaft of the first worm-and-wheel gear, and the output end of first worm-and-wheel gear is provided with
The output end of vertical axis, the vertical axis and the first worm-and-wheel gear constitutes key and coordinated；It is described horizontally rotate adjusting handle lead to
Crossing the first worm-and-wheel gear drives vertical axis to be rotated along its axis direction；Horizontal rotating disc is installed with the top of vertical axis, it is described
Luffing mechanism is fixedly installed on horizontal rotating disc.
It is preferred that, the luffing mechanism includes pitching motion drive case and pitching motion adjusting handle, and pitching motion drives
Dynamic casing is installed on the upside of rotation mechanism in vertical shaft, and the second worm-and-wheel gear is provided with pitching motion drive case, described
Pitching motion adjusting handle is set at the input shaft of the second worm-and-wheel gear, the output end of second worm-and-wheel gear
It is provided with trunnion axis, the output end composition key cooperation of the trunnion axis and the second worm-and-wheel gear, the two ends of the trunnion axis
Portion is provided with support, and the pitching motion adjusting handle is by the second worm-and-wheel gear driving arm around the axis side of trunnion axis
To rotation；The lateral laser radar mechanisms of CCD are fixedly installed on support.
It is preferred that, the support includes U-frame frame, and two otic placode bottoms of U-frame frame are provided with and the horizontal shaft end
The groove that portion is engaged, and U-frame frame is provided with fabrication hole in the groove, the both ends of the trunnion axis offer connection
Hole is connect, and the position of the connection holes matches to size and the position of corresponding fabrication hole with size；The support also includes
Secure component, the shaft head of the secure component through the fabrication hole and be connected with the connection holes of horizontal shaft end and by U-shaped
Framework is tightly held on trunnion axis, and the shaft head of the secure component is matched somebody with somebody with constituting screw thread with the connection holes of horizontal shaft end
Close.
It is preferred that, the lateral laser radar mechanisms of CCD also include offering and CCD phases on location-plate, the location-plate
The fabrication hole that machine is engaged, the bottom of the location-plate is set with being fixedly connected at the top of U-frame frame at the top of the U-frame frame
There is the screwed hole for CCD camera to be fastened thereon；The side along Laser emission direction of the U-frame frame sets oriented
The screwed hole corresponding with the installation fixing hole of laser radar rear end is provided with the coupling block of outer protrusion, the coupling block.
It is preferred that, the coupling block sets laser radar rear end being folded in two therein, two coupling blocks
The centerline at the midpoint of the line of centres, the center line of location-plate and U-frame frame is in approximately the same plane.
The present invention technical principle and have the beneficial effect that：
1), the laser radar in the present invention is emitter, and CCD camera is reception device.The present invention is by laser thunder
It is fixed on up to CCD camera on luffing mechanism, luffing mechanism is then fixed on rotation mechanism in vertical shaft, and rotation mechanism in vertical shaft
Then it is fixed on pedestal.During work, laser radar and CCD camera is set to do synchronous turn in the horizontal direction by rotation mechanism in vertical shaft
It is dynamic, laser radar and CCD camera in the vertical direction is synchronously rotated by luffing mechanism, ensure that CCD into image side
Emitter and reception device action into laser radar are consistent.
2), the present invention is provided with levelling gear in pedestal, and the levelling gear includes stud and extension spring, the drawing
Stretching spring is used to the upper plate and lower shoe in pedestal being linked together, and stud in plane bottom is resisted against lower shoe
On, shaft and the upper plate of stud constitute screw thread and coordinated, i.e., when twisting stud rotates stud, this stud corresponding position
Spacing between upper plate and lower shoe is to change, and leveling is carried out to upper plate so as to realize.Tune in the present invention
Flattening mechanism is simple in construction, and levelling effect is good.
3) what, the rotation mechanism in vertical shaft in the present invention included being provided with the first worm-and-wheel gear in it horizontally rotates driving
Casing, drives the input shaft of the first worm-and-wheel gear, so as to pass through the first worm gear by horizontally rotating adjusting handle during work
The output end driving vertical axis of worm mechanism is rotated around its own axis, due to being provided with horizontal rotating disc at the top of vertical axis, from
And horizontal rotating disc under the drive of vertical axis around vertical axis axis in the horizontal direction it is interior rotate.
Equally, the luffing mechanism in the present invention includes the pitching motion driving box that the second worm-and-wheel gear is provided with it
Body, drives the input shaft of the second worm-and-wheel gear, so as to pass through the second worm gear snail by pitching motion adjusting handle during work
The output end driving arm of linkage is rotated around the axis of trunnion axis, because CCD is imaged the emitter in lateral laser radar
It is arranged at reception device on support, therefore the present invention is to realize CCD imagings laterally to swash by two worm-and-wheel gears
Emitter and reception device in optical radar rotate and maintain the one of action when vertical direction is rotated in the horizontal direction
Cause property.
4), the support in the present invention is fixedly connected by location-plate and CCD camera, and passes through two coupling blocks and laser thunder
Up to being fixedly connected, because the present invention makes in the midpoint of two coupling block lines of centres, the center line of location-plate and U-frame frame
Heart line is in approximately the same plane, so as to not only ensure that the axis for installing the CCD camera camera lens after fixing and laser radar
The direction for the laser beam launched is parallel, and makes what the axis of CCD camera camera lens and laser radar were launched
No matter laser beam direction is in same perpendicular in inactive state or in rotary state, so that accurate to obtain
Measurement result lay a solid foundation.
Brief description of the drawings
Fig. 1 is the configuration schematic diagram of the present apparatus.
Fig. 2 is the structural representation of the present apparatus.
Fig. 3 is the structural representation of levelling gear.
The implication marked in figure is as follows：
10-pedestal, 11-lower shoe, 12-upper plate, 13-stud
131-abutment end, 14-extension spring, 15-cross-arm
20-rotation mechanism in vertical shaft 21-horizontally rotate drive case
22-horizontally rotate adjusting handle 23-vertical axis, 24-horizontal rotating disc
30-luffing mechanism, 31-pitching motion drive case 32-pitching motion adjusting handle
33-trunnion axis, 34-U-frame frame 341-groove, 342-fabrication hole
343-coupling block, 35-secure component
The lateral laser radar mechanisms of 40-CCD
41-CCD camera, 42-laser radar, 43-location-plate
Embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1, 2, a kind of measurement apparatus for lateral lidar measurement aerosol parameters, this measurement apparatus bag
Pedestal 10 is included, the upside of the pedestal 10 is provided with rotation mechanism in vertical shaft 20, and the upside of rotation mechanism in vertical shaft 20 is provided with pitching
Mechanism 30, the luffing mechanism 30 has been fixedly arranged at the upper side the lateral laser radar mechanisms 40 of CCD, the lateral laser thunders of CCD
Include the laser radar 42 of CCD camera 41 and transmitting laser beam up to mechanism 40, the CCD camera 41 is arranged on laser radar 42
Upside, and the axis of the camera lens of the CCD camera 41 is parallel with the direction for the laser beam that laser radar 42 is launched.
As shown in Figure 1, 2, the pedestal 10 includes the lower shoe 11 and upper plate 12 being coupled to each other together, the level
Rotating mechanism 20 is fixedly installed on upper plate 12, and three levelling gears are provided between the lower shoe 11 and upper plate 12,
Three levelling gears set up separately at three angles of upper plate 12.
As shown in figure 3, each levelling gear includes stud 13 and extension spring 14, the bottom of the stud 13 is from upper
Under be resisted against through upper plate 12 and tightly on lower shoe 11, stud 13 constitutes screw thread with upper plate 12 and coordinated, and stud 13
Bottom be abutment end 131 in plane；Upper gib head, the lower gib head of the extension spring 14, which are each passed through, is fixed in upper plate 12
Upper plate 12 and lower shoe 11 are tightly linked together with the cross-arm 15 on lower shoe 11.
The cross-arm 15 can also be screw or the object of irregular shape for metal is stick-like or rod-shaped objects, its
Function is for making the gib head of extension spring be arranged in wherein.During installation, the spacing between upper plate 12 and lower shoe 11 should
So that extension spring 14 is in extended state, so as to ensure the coupling performance simulating between upper plate 12 and lower shoe 11.Due to stretching
Spring 14 is in extended state, therefore cross-arm 15 can be fixedly installed on upper plate 12 or lower shoe 11, can also be to take
The mode connect is arranged at the fabrication hole at extension spring gib head.
As shown in figure 1, the rotation mechanism in vertical shaft 20 includes horizontally rotating drive case 21 and horizontally rotates adjusting handle
22, horizontally rotate drive case 21 and be installed on pedestal 10, and horizontally rotate the first worm and gear is provided with drive case 21
Mechanism, described to horizontally rotate adjusting handle 22 and be set at the input shaft of the first worm-and-wheel gear, first worm and gear
The output end of mechanism is provided with vertical axis 23, and the output end of the worm-and-wheel gear of vertical axis 23 and first constitutes key and coordinated；
It is described horizontally rotate adjusting handle 22 by the first worm-and-wheel gear drive vertical axis 23 along its axis direction rotate；Vertical axis
23 top is installed with horizontal rotating disc 24, and the luffing mechanism 30 is fixedly installed on horizontal rotating disc 24.
As shown in figure 1, the luffing mechanism 30 includes pitching motion drive case 31 and pitching motion adjusting handle 32, bow
Face upward action drives casing 31 and be installed in the upside of rotation mechanism in vertical shaft 20, and the second worm gear is provided with pitching motion drive case 31
Worm mechanism, the pitching motion adjusting handle 32 is set at the input shaft of the second worm-and-wheel gear, second worm gear
The output end of worm mechanism is provided with trunnion axis 33, and the output end of the trunnion axis 33 and the second worm-and-wheel gear constitutes key and matched somebody with somebody
Close, the both ends of the trunnion axis 33 are provided with support, and the pitching motion adjusting handle 32 passes through the second worm-and-wheel gear
Driving arm is rotated around the axis direction of trunnion axis 33；The lateral laser radar mechanisms 40 of CCD are fixedly installed on support.
As shown in figure 1, the support includes U-frame frame 34, two otic placode bottoms of U-frame frame 34 are provided with and the water
The groove 341 of the flat matching ends of axle 33, and U-frame frame 34 is provided with fabrication hole, the trunnion axis 33 at the groove 341
Both ends offer connection holes, and the position and homogeneous of size with corresponding fabrication hole of position and size of the connection holes
Match somebody with somebody；The support also includes secure component 35, the shaft head of the secure component 35 through the fabrication hole and with trunnion axis 33
The connection holes of end are connected and U-frame frame 34 are tightly held on trunnion axis 33, the shaft head of the secure component 35 with
Screw thread is constituted with the connection holes of the end of trunnion axis 33 to coordinate.
As shown in figure 1, the lateral laser radar mechanisms 40 of CCD also include opening up on location-plate 43, the location-plate 43
There is the fabrication hole being engaged with CCD camera 41, the bottom and the top of U-frame frame 34 of the location-plate 43 are fixedly connected, the U
The top of shape framework 34 is provided with the screwed hole for being used for being fastened thereon CCD camera 41；The U-frame frame 34 is sent out along laser
The side for penetrating direction is provided with outstanding coupling block 343, the coupling block 343 and is provided with and the rear end of laser radar 42
The corresponding screwed hole of fixing hole is installed.
As shown in figure 1, the coupling block 343 sets the rear end of laser radar 42 being folded in two therein, two
The centerline at the midpoint of the individual line of centres of coupling block 343, the center line of location-plate 43 and U-frame frame 34 is in approximately the same plane
On.
The course of work to the present invention elaborates below in conjunction with the accompanying drawings.
First by all parts according to Fig. 1, shown in 2 as assemble and finishes, the then stud 13 in rotation levelling gear
Leveling is carried out to upper plate 12, and placing level meter on upper plate 12 ensures upper plate 12 in horizontality.
Then the input shaft of the first worm-and-wheel gear is driven by horizontally rotating adjusting handle 22, so as to pass through the first snail
The output end driving vertical axis 23 of worm and gear mechanism is rotated around its own axis, so that drive of the horizontal rotating disc 24 in vertical axis 23
Under around the axis of vertical axis 23 in the horizontal direction it is interior rotate.
When needing pitching motion, the input shaft of the second worm-and-wheel gear is driven by pitching motion adjusting handle 32, from
And drive U-frame frame 34 to be rotated around the axis of trunnion axis 33 by the output end of the second worm-and-wheel gear, because CCD is into image side
Emitter and reception device into laser radar are arranged on U-frame frame 34, therefore the present invention passes through two worm gear snails
Linkage is that the emitter and reception device realized in the lateral laser radar of CCD imagings is rotated and vertical in the horizontal direction
Direction maintains the uniformity of action when rotating.
Claims (6)
1. a kind of measurement apparatus for lateral lidar measurement aerosol parameters, it is characterised in that：This measurement apparatus includes
Rotation mechanism in vertical shaft (20) is provided with the upside of pedestal (10), the pedestal (10), the upside of rotation mechanism in vertical shaft (20) is set
There is a luffing mechanism (30), the luffing mechanism (30) has been fixedly arranged at the upper side the lateral laser radar mechanisms (40) of CCD, described
The lateral laser radar mechanisms (40) of CCD include CCD camera (41) and launch the laser radar (42) of laser beam, the CCD camera
(41) upside of laser radar (42) is arranged on, and the axis of the CCD camera (41) camera lens is sent out with laser radar (42)
The direction of the laser beam of injection is parallel；
The pedestal (10) includes the lower shoe (11) and upper plate (12) being coupled to each other together, the rotation mechanism in vertical shaft
(20) it is fixedly installed on upper plate (12), levelling gear is provided between the lower shoe (11) and upper plate (12)；
The levelling gear includes stud (13) and extension spring (14), and the bottom of the stud (13) passes through upper bottom from top to bottom
Plate (12) is simultaneously tightly resisted against on lower shoe (11), and stud (13) constitutes screw thread with upper plate (12) and coordinated, and stud (13)
Bottom be abutment end (131) in plane；Upper gib head, the lower gib head of the extension spring (14) are each passed through and are fixed in bottom
Cross-arm (15) on plate (12) and lower shoe (11) and upper plate (12) and lower shoe (11) are tightly linked together；It is described
Levelling gear is set to three, and three levelling gears set up separately at three angles of upper plate (12).
2. the measurement apparatus according to claim 1 for lateral lidar measurement aerosol parameters, it is characterised in that：
The rotation mechanism in vertical shaft (20) includes horizontally rotating drive case (21) and horizontally rotating adjusting handle (22), horizontally rotates drive
Dynamic casing (21) is installed on pedestal (10), and horizontally rotates the first worm-and-wheel gear, institute are provided with drive case (21)
State and horizontally rotate adjusting handle (22) and be set at the input shaft of the first worm-and-wheel gear, first worm-and-wheel gear
Output end is provided with vertical axis (23), and the vertical axis (23) and the output end composition key of the first worm-and-wheel gear coordinate；Institute
State horizontally rotate adjusting handle (22) by the first worm-and-wheel gear drive vertical axis (23) along its axis direction rotate；Vertically
Horizontal rotating disc (24) is installed with the top of axle (23), the luffing mechanism (30) is fixedly installed on horizontal rotating disc (24).
3. the measurement apparatus according to claim 1 for lateral lidar measurement aerosol parameters, it is characterised in that：
The luffing mechanism (30) includes pitching motion drive case (31) and pitching motion adjusting handle (32), pitching motion driving box
Body (31) is installed on the upside of rotation mechanism in vertical shaft (20), and the second worm and gear machine is provided with pitching motion drive case (31)
Structure, the pitching motion adjusting handle (32) is set at the input shaft of the second worm-and-wheel gear, second worm and gear
The output end of mechanism is provided with trunnion axis (33), and the output end of the trunnion axis (33) and the second worm-and-wheel gear constitutes key and matched somebody with somebody
Close, the both ends of the trunnion axis (33) are provided with support, and the pitching motion adjusting handle (32) passes through the second worm and gear
Mechanism driving arm is rotated around the axis direction of trunnion axis (33)；The lateral laser radar mechanisms (40) of CCD are fixedly installed on
On support.
4. the measurement apparatus according to claim 3 for lateral lidar measurement aerosol parameters, it is characterised in that：
The support includes U-frame frame (34), and two otic placode bottoms of U-frame frame (34) are provided with and the trunnion axis (33) end phase
The groove (341) of cooperation, and U-frame frame (34) is provided with fabrication hole, the two of the trunnion axis (33) at the groove (341) place
End offers connection holes, and the position of the connection holes matches to size and the position of corresponding fabrication hole with size；
The support also includes secure component (35), and the shaft head of the secure component (35) passes through the fabrication hole and and trunnion axis
(33) connection holes of end are connected and U-frame frame (34) are tightly held on trunnion axis (33), the secure component (35)
Shaft head coordinate with constituting screw thread with the connection holes of trunnion axis (33) end.
5. the measurement apparatus according to claim 4 for lateral lidar measurement aerosol parameters, it is characterised in that：
The lateral laser radar mechanisms (40) of CCD also include offering and CCD camera on location-plate (43), the location-plate (43)
(41) fabrication hole being engaged, the bottom of the location-plate (43) at the top of U-frame frame (34) with being fixedly connected, the U-frame
The top of frame (34) is provided with the screwed hole for being used for being fastened thereon CCD camera (41)；The U-frame frame (34) along laser
The side of the direction of the launch is provided with outstanding coupling block (343), the coupling block (343) and is provided with and laser radar
(42) the corresponding screwed hole of the installation fixing hole of rear end.
6. the measurement apparatus according to claim 5 for lateral lidar measurement aerosol parameters, it is characterised in that：
The coupling block (343) sets laser radar (42) rear end being folded in two therein, two coupling blocks (343)
The centerline at the midpoint of heart line, the center line of location-plate (43) and U-frame frame (34) is in approximately the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510443717.8A CN105137414B (en) | 2015-07-23 | 2015-07-23 | A kind of measurement apparatus for lateral lidar measurement aerosol parameters |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510443717.8A CN105137414B (en) | 2015-07-23 | 2015-07-23 | A kind of measurement apparatus for lateral lidar measurement aerosol parameters |
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| CN105137414A CN105137414A (en) | 2015-12-09 |
| CN105137414B true CN105137414B (en) | 2017-10-24 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105974433B (en) * | 2016-05-05 | 2019-08-23 | 中国人民解放军陆军军官学院 | The detection method of ground layer aerosol backscattering coefficient profile based on continuous laser |
| CN108362666B (en) * | 2017-12-29 | 2021-03-16 | 中国人民解放军陆军炮兵防空兵学院 | Near-ground scanning type aerosol detection device based on CCD |
| CN108490452A (en) * | 2018-04-27 | 2018-09-04 | 合肥光博量子科技有限公司 | A kind of imaging aerosol LIDAR focused automatically |
| CN111971608A (en) * | 2019-03-05 | 2020-11-20 | 伟摩有限责任公司 | Alignment of optical transports with multiple degrees of freedom |
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| CN103344611A (en) * | 2013-07-16 | 2013-10-09 | 中国人民解放军陆军军官学院 | Method for measuring aerosol parameters by lateral laser radar based on CCD (charge-coupled device) imaging technology |
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