CN108801061A - A kind of discrete target location test device and test method - Google Patents
A kind of discrete target location test device and test method Download PDFInfo
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- CN108801061A CN108801061A CN201810437783.8A CN201810437783A CN108801061A CN 108801061 A CN108801061 A CN 108801061A CN 201810437783 A CN201810437783 A CN 201810437783A CN 108801061 A CN108801061 A CN 108801061A
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- 238000001310 location test Methods 0.000 title claims abstract description 15
- 238000010998 test method Methods 0.000 title claims description 6
- 238000001514 detection method Methods 0.000 claims abstract description 90
- 238000012360 testing method Methods 0.000 claims description 48
- 230000003287 optical effect Effects 0.000 claims description 20
- 230000001105 regulatory effect Effects 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 6
- 229910052744 lithium Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000037237 body shape Effects 0.000 description 1
- 230000009172 bursting Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41J—TARGETS; TARGET RANGES; BULLET CATCHERS
- F41J5/00—Target indicating systems; Target-hit or score detecting systems
- F41J5/02—Photo-electric hit-detector systems
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- General Engineering & Computer Science (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention provides a kind of discrete target location test device, it includes line laser emitter, First Line laser reflecting device, the second line laser reflection unit, photodetection reception device, line array CCD device and intelligent signal collection instrument, wherein, line array CCD device is arranged in the line midpoint of line laser emitter and First Line laser reflecting device, and four detection light curtains are formed by line laser emitter, First Line laser reflecting device, the second line laser reflection unit, photodetection reception device and line array CCD device.Present invention improves conventional monolithic structures to be unfavorable for carrying, it is immovable after calibration and be unable to measure multiple target simultaneously target the shortcomings that, saved cost, facilitated carryings, calibration is flexible, while can measure multiple target and meanwhile the position coordinates of target.
Description
Technical field
The present invention relates to technical field of photoelectricity test more particularly to a kind of discrete target location test device and test sides
Method.
Background technology
In weapons shooting range measurment field, with the development of weapon development technology, the speed of high speed running fire target, position are high-precision
Degree measures and the match cognization of multiple target parameter is one of the important examination parameter of weapon verification.Currently, the survey of target component
Amount have four light curtains cross test system, six light curtains cross test system, line array CCD cross test system, net target test system and
The test devices such as sound target test system.The four light curtains test system that crosses mainly uses based on four skies or four light curtain targets
Body can obtain single goal speed and location parameter, and require target that must pass perpendicularly through light curtain, otherwise test error of coordinate compared with
Greatly, the amendment of progress target component is needed；Six light curtains cross test system be mainly use six skies or six light curtain targets
Based on, the parameters such as single goal flying speed, azimuth, vertical target coordinate can be obtained；CCD crosses test system using multiple
CCD camera crosses to form detection target surface, complicated, can not be precisely controlled multiple face registrations, while also can not accurately obtain
Cross angle, causes measurement target component precision low, there are test leakage phenomenons.Single goal parameter may be implemented in these test systems
Test can also realize the multiple target test under low frequency target burst-firing, but when high-frequency multiple target continuously emits,
Multiple targets have diversity and randomness in flight course, exist when passing through detecting area and block, overlap and reach simultaneously
The case where same detection light curtain, testing system at this time precisely can not go out multiple targets of high speed running fire by match cognization, also can not be high
The parameters such as the corresponding speed of the multiple targets of precision measure, position.
Invention content
The present invention provides a kind of discrete target location test device and test method, to solve to exist in the prior art
The technical issues of.
One aspect of the present invention provides a kind of discrete target location test device comprising line laser emitter, first
Line laser reflection unit, the second line laser reflection unit, photodetection reception device, line array CCD device and intelligent signal are adopted
Collect instrument, wherein line array CCD device is arranged in the line midpoint of line laser emitter and First Line laser reflecting device, leads to
Cross line laser emitter, First Line laser reflecting device, the second line laser reflection unit, photodetection reception device and line
Battle array CCD devices form four detection light curtains.
Preferably, line laser emitter includes triangle chassis and first shell, first shell is arranged on triangle chassis
On, it is equipped with the first connection turntable and the second connection turntable, the first connection turntable and the second connection turntable successively on triangle chassis
All include connection bump disk and connecting seat, connection bump disk and connecting seat nested encryptions, the second connection turntable further includes rectangular base
Seat, second connection turntable both sides be equipped with locking knob, first connection turntable on set there are two be mutually perpendicular to arrangement water
Flat water is steeped.
Preferably, being equipped with laser emission element in first shell, laser emission element includes four laser line generators, lithiums
Battery and fixed plate, wherein laser line generator is located at the top of first shell and is connected in fixed plate, wherein three laser line generators
Fan-shaped laser beam is sent out, another laser line generator is equipped with first panel for demarcating, in the front of first shell, in first panel
It is equipped with light-emitting window and self calibration graduation mark, laser line generator transmitting laser is simultaneously sent out by the light-emitting window in first panel.
Preferably, First Line laser reflecting device includes second shell, be equipped in second shell fine tuning connection turntable,
Rotary shaft and speculum, speculum are installed on the rotary shaft；The bottom end of rotary shaft is connect with angular encoder.
Preferably, being equipped with second panel and third panel in the front of second shell, wherein second panel is arranged vertically
And it is parallel with the back side of second shell, reception slit is provided in second panel, third panel is arranged vertically and and second shell
It is in 45 ° of angles between the back side of body, transmite slit is provided on third panel.
Preferably, photodetection reception device includes third shell, photoelectricity is internally provided in photodetection reception device
Probe unit, photoelectric detection unit include third panel and two fixed plates, and two fixed plates are arranged vertically and are mutually parallel；
Further include fourth face plate, several first optical lens, the first optical lens edge are equipped in the fixed plate close to fourth face plate
Vertical direction is sequentially arranged, and several groups circuit board and photodetector is equipped in the fixed plate far from fourth face plate, often
Group circuit board and photodetector correspond to the first optical lens matched.
Preferably, line array CCD device includes U-shaped frame and the 4th shell, U-shaped frame connects turntable by third and fixes, the
Four shells can rotate on U-shaped frame, laser line generator and the second optical lens be arranged on the upper surface of the 4th shell, the 4th
It is equipped with linear array CCD camera in shell, is connected with the second optical lens.
Preferably, the corner positions on triangle chassis are equipped with regulating device, regulating device includes knob, stud and bottom
Foot, wherein one end of knob and stud connects, and the other end of stud is connected with footing.
As another aspect of the present invention, the present invention provides a kind of discrete target location test method, uses above-mentioned
Discrete target location test device in any one technical solution, includes the following steps:
(1) on predetermined test position trajectory, it is first that line laser emitter is coplanar with First Line laser reflecting device
Group column vertical in ground place, the second line laser reflection unit and photodetection reception device it is coplanar be second group of column vertical
It is placed in ground, line array CCD device is placed on line laser emitter and First Line laser reflecting device line midpoint, turned
The shell of dynamic line array CCD device, enables line laser light curtain to be emitted to the second line laser reflection unit shell and is connect with photodetection
The top of receiving apparatus shell, and in order to ensure that the 4th detection light curtain utmostly covers target surface range, line array CCD device is carried out
It translates and to ensure line laser emitter with First Line laser reflecting device with the device position central symmetry；It has put
At the adjusting knob on all cylinder triangles of rear adjusting chassis, by completing Level tune after the horizontal bubble of observation；
(2) line laser emitter and the laser line generator of First Line laser reflecting device are opened, calibration according to the observation is carved
Degree line makes two beam laser overlap and is in graduation mark center, after adjustment overlaps, reads the angle of First Line laser reflecting device at this time
Spend the numerical value θ of encoder1；
(3) First Line laser reflecting device and the second line laser reflection unit are rotated, make First Line laser reflecting device with
Coplanar the second detection light curtain, the second line laser reflection unit and the photodetection reception device of being formed of second line laser reflection unit is total to
Face forms third and detects light curtain, and third is made to detect the center that light curtain is in photodetection reception device calibrated scale line；It surveys
Measure line laser emitter and First Line laser reflecting device, the second line laser reflection unit and First Line laser reflecting device
The Distance Judgment first of rectangular base two corner angle of correspondence detects light curtain and whether third detection light curtain is parallel, is completed if parallel
Calibration；The numerical value θ of First Line laser reflecting device angular encoder is read at this time2, measure line laser emitter and the second line
The distance between laser reflecting device is the first range S1, between line laser emitter and First Line laser reflecting device away from
From for the second range S2, give data transfer to intelligent signal collection instrument；
(4) the angle value θ that line array CCD device surface onboard led display screen is shown is read3Input to intelligent signal collection instrument；
(5) it opens on each cylinder control panel and the power switch of intelligent signal collection instrument, starts to test, when target passes through
When crossing the first detection light curtain, intelligent signal collection instrument can record moment value t1And start timing, it is sent out together to line array CCD device
Step trigger command starts to scan, time value point of the target by the second detection light curtain, third detection light curtain and the 4th detection light curtain
It Wei not t2、t3、t4, in conjunction with linear CCD sensor frequency acquisition and the geometrical relationship of four detection light curtains, and then calculate flight
Speed target coordinate.
10, discrete target location according to claim 9 test method, supplementary features are, the method
Further include：
(1) first detection light curtain is S at a distance from third detection light curtain1, value is distinguished at the time of target passes through two light curtains
For t1、t3, then airbound target speed can be determined
(2) first detection light curtains are S at a distance from the second detection light curtain2, the first detection light curtain and the second detection light curtain are handed over
Remittance angle is (θ2-θ1), target is respectively t by value at the time of the first detection light curtain, the second detection light curtain1、t2, then can be true
Determine the coordinate of airbound target
(3) first detection light curtains cross angle for θ with the 4th detection light curtain3, target is by the first detection light curtain, the 4th spy
Value is respectively t at the time of surveying light curtain1、t4, whereinK is the sweep speed of line array CCD, then can determine airbound target
Coordinate y=tan θ3·v·(t4-t1)。
The present invention proposes a kind of discrete target location test device, utilizes line laser light source, opto-electronic receiver unit, anti-
It penetrates mirror and line array CCD device constructs four cross screen spaces, improve conventional monolithic structure and be unfavorable for carrying, after calibration
It is immovable and be unable to measure multiple target simultaneously target the shortcomings that, saved cost, facilitated carryings, calibration flexibly, while can be with
Measure multiple target simultaneously the position coordinates of target.
Description of the drawings
Fig. 1 is the arrangement schematic diagram of discrete target location of the present invention test device；
Fig. 2 is the line laser emitter schematic diagram of discrete target location of the present invention test device；
Fig. 3 is the line laser emitter panel schematic diagram of discrete target location of the present invention test device；
Fig. 4 is the vertical view of the line laser emitter of discrete target location of the present invention test device；
Fig. 5 is the side view of the First Line laser reflection electro-optical device of discrete target location of the present invention test device
Figure；
Fig. 6 is that the panel of the First Line laser reflection electro-optical device of discrete target location of the present invention test device shows
It is intended to；
Fig. 7 is the vertical view of the First Line laser reflection electro-optical device of discrete target location of the present invention test device
Figure；
Fig. 8 is the side view of the photodetection reception device of discrete target location of the present invention test device；
Fig. 9 is the panel signal of the photodetection reception device of discrete target location of the present invention test device
Figure；
Figure 10 is the panel signal of the photodetection reception device of discrete target location of the present invention test device
Figure；
Figure 11 is the vertical view of the photodetection reception device of discrete target location of the present invention test device；
Figure 12 is the structural schematic diagram of the line array CCD device of discrete target location of the present invention test device；
Figure 13 is the structural schematic diagram of the line array CCD device of discrete target location of the present invention test device；
Figure 14 is the vertical view of the line array CCD device of discrete target location of the present invention test device.
Wherein：
1, line laser emitter；2, First Line laser reflecting device；3, the second line laser reflection unit；4, photodetection
Reception device；5, line array CCD device；6, first panel；7, laser line generator；8, self calibration graduation mark；9, vernier knob；10, turn
Disk locking knob；11, the first connection turntable；12, control switch；13, horizontal adjustment knob；14, horizontal bubble；15, fixed plate；
16, lithium battery；17, transmite slit；18, speculum；19, rotary shaft；20, angular encoder；21, LED display；22, first
Optical lens；23, circuit board；24, photodetector；25, the second optical lens；26, linear array CCD camera；27, triangle chassis；
28, the first connection turntable；29, second panel；30, slit is received；31, third panel；32, the panel of line array CCD device；33,
Fixed block；34, the bearing of the second connection turntable；35, the connecting seat of the second connection turntable；36, connection bump disk；37, stud；
38, rectangular base；39, the bearing of fine tuning connection turntable；40, fourth face plate；41, third connects turntable；42, U-shaped frame；43, intelligence
It can signal sampler；44, first shell；45, second shell；46, third shell；47, the 4th shell；48, power module；49,
Drive circuit board；50, aviation plug；51, locking knob.
Specific implementation mode
The present embodiment is related to a kind of discrete target location test device, which mainly answers
For testing multiple target position, to obtain the coordinate parameters of multiple target position.
Discrete target location test device setting involved by the present embodiment is sent out along airbound target (referring generally to firearms)
At a certain distance from the extending direction penetrated, arrange as shown in Figure 1, specifically including line laser emitter 1, First Line laser reflection
Device 2, the second line laser reflection unit 3, photodetection reception device 4, line array CCD device 5 and intelligent signal collection instrument 43.
Wherein, line laser emitter 1 and First Line laser reflecting device 2 it is coplanar be one group and perpendicular to horizontal plane place, line array CCD
Device 5 is arranged in the line midpoint of line laser emitter 1 and First Line laser reflecting device 2.Wherein, intelligent signal collection
Instrument 43 is internally provided with power supply, can provide electric energy for test device；Photodetection reception device 4 and line array CCD device 5
It is connected with intelligent signal collection instrument 43 by cable.
Further, the structure of line laser emitter 1 is as in Figure 2-4, and the highly preferred of line laser emitter 1 is
1500mm, effective target surface ranging from 1500mm*1000~1500mm*3000mm.Wherein, line laser emitter 1 includes triangle
On triangle chassis 27 and preferably cylinder body shape is arranged in chassis 27 and first shell 44, the first shell 44.Further,
It is equipped with the first connection turntable 28 and second successively on triangle chassis 27 and connects turntable 11；Wherein, the first connection turntable 28 includes
Connection bump disk 36 and connecting seat 35, connection bump disk 36 and 35 nested encryptions of connecting seat, the second connection turntable 11 includes connection
Raised disk 36, connecting seat 35 and rectangular base 38, wherein the connection that the upper surface on triangle chassis 27 connect turntable 28 with first is convex
It plays disk 36 to be fixedly connected, the connection bump disk 36 that the first upper surface for connecting the connecting seat 35 of turntable 28 connect turntable 11 with second
It is connected, first shell 44 is fixed in rectangular base 38, and rectangular base 38 is for measuring range to judge whether light curtain puts down
Row.In addition, the both sides of the second connection turntable 11 in the first connection turntable 28 and second connects turntable 11 are equipped with locking knob
10, it is used to after fine tuning be locked to the first connection connection turntable 11 of turntable 28 and second.In this way, convex by connecting
Playing the mutually rotation of disk 36 and connecting seat 35 enables first shell 44 to connect turntable 11 by the first connection turntable 28 and second
The adjustment of position is rotated and carried out, is waited for after the completion of the rotation adjustment of first shell 44 through setting in the first connection turntable 28 and the
Locking knob 10 on two connection turntables 11 carries out position and fixes.In addition, being set on the first connection turntable 28, there are two mutually hang down
The horizontal bubble 14 directly arranged.
Specifically, the coarse adjustment that the first connection turntable 28 can rotate first shell 44, the second connection 11 energy of turntable
Enough fine tunings that first shell 44 is rotated.It is equipped with vernier knob 9 on the connecting seat 35 of the second connection turntable 11, specifically
The vernier knob 9 on ground, the second connection turntable 11 is connect with 34 one end of threaded bearing, and is fixed on by two fixed blocks 33
The connecting seat 35 of the upper surface of the connecting seat 35 of first connection turntable 28, the second connection turntable 11 carries spiral shell with 34 contact position of bearing
Line, when adjusting vernier knob 9, the rotation of bearing 34 allows the connecting seat 35 of the second connection turntable 11 in positive and negative 45 ° of models
Enclose interior rotation.
Laser emission element is equipped in first shell 44, which includes four laser line generators 7, lithium batteries
16 and fixed plate 15, wherein laser line generator 7 is located at the top of first shell 44 and is connected in fixed plate 15, passes through lithium battery
16 power supplies.Three laser line generators 7 therein preferably use 650nm laser line generators as laser light source, and each laser line generator 7 can
Fan-shaped laser beam is sent out, three fan-shaped laser beams intersect to form detection light curtain i.e. light curtain detection target target surface.Another laser line generator 7
For demarcating.For the ease of control, is set on 44 backplate of first shell there are two switch 12 is controlled, control light source laser respectively
And Calibration of Laser.
It is equipped with first panel 6 in the front of first shell 44, specifically, the front of first shell 44 passes through screw and first
Panel 6 is fixedly connected, and light-emitting window and self calibration graduation mark 8 are equipped in first panel 6, and laser line generator 7 emits laser and passes through
Light-emitting window in first panel 6 is sent out, in this, as the light source of discrete target location test device.
First Line laser reflecting device 2 is identical with 3 structure of the second line laser reflection unit, below with First Line laser reflection
It is introduced for device 2, as illustrated in figs. 5-7, specifically, First Line laser reflecting device 2 includes triangle chassis 27 and second
Shell 45, the second shell 45 are arranged on triangle chassis 27, preferably the shape of cylinder, are more preferably pentagonal prism shape
Shape.Further, it is equipped with the first connection turntable 28 and second successively on triangle chassis 27 and connects turntable 11, second shell 45 is set
It sets on the second connection turntable 11, is equipped with 36 high-precision angular encoders 20 on the second connection turntable 11, passes through angle
Encoder 20 can read rotation angle information at any time.Wherein it should be noted that First Line laser reflecting device 2 and the second line
Triangle chassis 27, first in laser reflecting device 3 connects turntable 28 and second and connects turntable 11 etc. and line laser emitter 1
In associated apparatus structure it is identical.
Fine tuning connection turntable 39, fixed plate 15, rotary shaft 19 and speculum 18, speculum 18 are equipped in second shell 45
It is mounted in rotary shaft 19 by fixed plate 15；Fine tuning connection turntable 39 setting second shell 45 and first connect turntable 11 it
Between, it is identical as the second connection structure function of turntable 11, it is equipped with vernier knob 9 in 45 outside of second shell；Pass through rotary shaft
19 fine motion makes the reflected light angulation change of speculum 18, and fine setting scope is 20 °~50 °, the bottom end of rotary shaft 19 also with angle
It spends encoder 20 to connect, angular encoder 20 is connect with the LED display 21 at 45 back side of second shell, passes through LED display 21
Reading angular value it can determine the angle of the rotation of speculum 18 in real time and be transferred to intelligent signal collection instrument 43.
It is equipped with second panel 29 and third panel 31 in the front of second shell 45, wherein second panel 29 is perpendicular to ground
Face arrangement is simultaneously parallel with the back side of second shell 45, is provided in second panel 29 and receives slit 30, and it is length to receive slit 30
Strip is simultaneously perpendicular with horizontal plane, and third panel 31 is in 45 ° perpendicular to ground configuration and between the back side of second shell 45,
It is provided with transmite slit 17 on third panel 31, transmite slit 17 is strip and perpendicular with horizontal plane.Specifically, it receives narrow
30 points of seam is three sections, and the length of every section of slit is preferably 500mm, slit width 6mm, and seam is away from for 4mm；It is three that transmite slit 17, which is divided,
Section, slit width is preferably 14mm, and the maximum magnitude of the rotation angle of speculum 18 corresponds to the both sides of transmite slit 17, in transmite slit
Self-alignment calibrated scale line 8 is equipped among 17 upper end and among lower end.
As illustrated in figs. 8-11, Fig. 8-11 shows the structure of photodetection reception device 4 comprising triangle chassis 27 and
Three shells 46, the third shell 46 are arranged on triangle chassis 27, preferably the shape of cylinder.Further, on triangle chassis
The first connection turntable 28 and second is equipped on 27 successively and connects turntable 11, the square in the second connection turntable 11 is arranged in third shell 46
On shape chassis 38.Wherein it should be noted that triangle chassis 27, first in photodetection reception device 4 connects turntable 28 and the
Two connection turntables 11 etc. are identical as the associated apparatus structure in line laser emitter 1.
It is internally provided with photoelectric detection unit in photodetection reception device 4, wherein from the second line laser reflection unit 3
The laser of reflection is received by photoelectric detection unit, and specifically, as shown in Figure 10, photoelectric detection unit includes third panel 40,
In, fourth face plate 40 is fixed by screws in the side of the third shell 46 of photodetection reception device 4, on fourth face plate 40
Equipped with slit 30 is received, specifically, it is three sections that the reception slit 30 on fourth face plate 40, which divides, and the length of every section of slit is preferably
500mm, slit width 6mm, seam is away from for 4mm.
Photoelectric detection unit includes third panel 40 and two fixed plates 15, two 15 vertical and horizontal face of fixed plate arrangements
And it is mutually parallel.Third panel 40 is connected by screw with the third shell 46 of photodetection reception device 4, and is equipped with
Slit 30 is received, it is three sections which, which divides, and the length of every section of slit is 500mm, slit width 6mm, and seam is away from for 4mm.
It is capable of the circuit board 23 of automatic adjusument equipped with several groups in the fixed plate 15 far from fourth face plate 40 and has
Highly sensitive photodetector 24, several groups automatic adjusument circuit board 23 and 24 edge of photodetector with high sensitivity
Vertical direction arranged for interval, wherein every group of automatic adjusument circuit board 23 and photodetector 24 correspond to first matched
Optical lens 22.In addition, photodetection reception device 4 further includes lithium battery 16, it is used for as circuit board 23, photodetector 24
Electric energy is provided, lithium battery 16 is by being arranged the control of control switch 12 at 4 back side of photodetection reception device.
Several first optical lens 22,22 edge of the first optical lens are equipped in the fixed plate 15 close to fourth face plate 40
Vertical direction is sequentially arranged, wherein the first optical lens 22 configuration ground by luminous energy for converging to corresponding photodetector 24
On, as a preferred embodiment, the focal length of the first optical lens 22 is 16mm, a diameter of 100mm of each eyeglass, it in this way can be so that light
Electric probe unit can receive the luminous energy within the scope of target surface.
In addition, aviation plug 50 is additionally provided at the back side of photodetection reception device 4, in this way, photodetection reception device 4
Detection receives exported signal and is transferred to intelligent signal collection instrument 43 by aviation plug 50.
As shown in figs. 12-14, Figure 12-14 shows a kind of structure of line array CCD device 5 comprising triangle chassis 27, U
Type frame 42 and the 4th shell 47, the U-shaped frame 42 are arranged on triangle chassis 27, and specifically, third connects the lower surface of turntable 41
It is connected with the upper surface on triangle chassis 27, U-shaped frame 42 connects turntable 41 by third and is fixed on triangle chassis 27, the 4th shell
Body 47 is arranged by U-shaped frame 42 on triangle chassis 27, and the 4th shell 47 can rotate on U-shaped frame 42.In line array CCD
The triangle chassis 27 of device 5 is equipped with horizontal adjustment knob 13, is used for the height and level on adjusting triangle chassis 27.Further
Ground is connected with third in the upper surface on triangle chassis 27 and connects turntable 41, and third connects turntable 41 and is equipped with turntable locking knob
10, and the operation that is locked is carried out by turntable locking knob 10.U-shaped frame 42 is fixed on third connection turntable 41, in U-shaped frame
42 are equipped with locking knob 51.
Laser line generator 7 and the second optical lens 25 are set on the upper surface of the 4th shell 47 of line array CCD device 5, it is excellent
The focal length of selection of land, the second optical lens 25 is 28mm, and field angle is 72 °.
It is equipped with linear array CCD camera 26 in the 4th shell 47 of line array CCD device 5, is connected with the second optical lens 25
It connects, drive circuit board 49, angular encoder 20 and power module 48 is additionally provided in the 4th shell 47, wherein power module 48
It is connected with intelligent signal collection instrument 43, electric energy is provided for laser line generator 7, linear array CCD camera 26, drive circuit board 49 etc.；It drives
Dynamic circuit board 49 is connected by aviation plug with intelligent signal collection instrument 43, and the configuration of linear array CCD camera 26 ground is for by same
Walk value and location information at the time of triggering command obtains airbound target when across the 4th detection light curtain M4；4th shell 47
Front is equipped with panel 32, and LED screen 21, aviation plug 50 and control switch 12 are equipped on panel 32；Angular encoder 20 is pacified
It is connected in the rotary shaft of U-shaped frame 42 and with LED screen 21, shows that U-shaped frame 42 rotates at any time by panel LED screen 21
Angle value.
Line laser emitter 1, First Line laser reflecting device 2, the second line laser reflection unit 3, photodetection receive
All it is to be connected by the first connection turntable 28 and second between device 4 and the corresponding housing and triangle chassis 27 of line array CCD device 5
Turntable 11 is connected, wherein the corner positions on triangle chassis 27 are equipped with regulating device, which includes regulating height
Horizontal knob 13, stud 37 and footing, wherein knob 13 is connect with one end of stud 37, the other end and footing of stud 37
It is connected, triangle chassis 27 is placed in the horizontal plane by regulating device.
In this way, line laser emitter 1 is passed through by the laser that laser line generator 7 emits in First Line laser reflecting device 2
The speculum 18 received in the arrival First Line of slit 30 laser reflecting device 2 in second panel 29, laser is formed and First Line
The first coplanar detection light curtain M1 of laser reflecting device 2；First detection light curtain M1 is by anti-in First Line laser reflecting device 2
It penetrates after mirror 18 reflects and is passed through by the transmite slit 17 on third panel 31 in First Line laser reflecting device 2 and by the second line
Then reception slit 30 in laser reflecting device 3 in second panel 29 reaches the reflection inside the second line laser reflection unit 3
Mirror 18 forms the second detection light curtain M2；Second detection light curtain M2 is reflected by the speculum 18 in the second line laser reflection unit 3
The transmite slit 17 of third panel 31 is pierced by and enters photodetection reception device 4, shape from the second line laser reflection unit 3 afterwards
At the third detection light curtain M3 coplanar with photodetection reception device 4.Wherein, the first detection light curtain M1, the second detection light curtain M2
Zigzag is formed with the projections of third detection light curtain M3 on a vertical plane.The light source that the laser line generator 7 of line array CCD device 5 is sent out
Form the 4th detection light curtain M4.
When target passes through the first detection light curtain M1, the second detection light curtain M2, the third detections of detection light curtain M3 and the 4th successively
When light curtain M4, the photoelectric detection unit in photodetection reception device 4 exports corresponding pulse signal and is transferred to intelligent signal
Acquisition Instrument 43, value starts to count as initial time at the time of when intelligent signal collection instrument 43 detects light curtain M1 using target by first
When, while being sent to the synchronization of line array CCD device 5 triggering command and line array CCD device 5 is made to start to scan, when target passes through second
When detecting light curtain M2, third detection light curtain M3, intelligent signal collection instrument 43 obtains corresponding moment value, when target is visited by the 4th
When surveying light curtain M4, linear array CCD camera 26 obtains image when its airbound target passes through the 4th detection light curtain M4, will by data line
Image transmitting is simultaneously stored in intelligent signal collection instrument 43, and the time containing target and spatial information in image, target is in image
In ordinate be target imaging where number of scanning lines m, ordinate be target imaging where pixel number n, if line array CCD
The scan frequency of camera 26 is k, then the time is t=m/k, and finally, value, range and light curtain cross geometry at the time of by obtaining
The location parameter of multiple target can be obtained in relationship.
The test method that multiple target position can be carried out using above-mentioned test device, is included the following steps:
(1) on predetermined test position trajectory, it is that line laser emitter 1 and First Line laser reflecting device 2 be coplanar
One group of column vertical in ground place, line laser emitter 1 at a distance from First Line laser reflecting device 2 can 1000mm~
Adjusted within the scope of 3000mm, the second line laser reflection unit 3 and photodetection reception device 4 it is coplanar be second group of column vertical in
Ground is placed, and the second line laser reflection unit 3 can be within the scope of 1000mm~3000mm at a distance from photodetection reception device 4
Adjustment adjusts the distance between two groups of cylinders according to specific experiment environment, destined trajectory is allow to appoint across four cylinders
Meaning position；Line array CCD device 5 is placed on 2 line midpoint of line laser emitter 1 and First Line laser reflecting device, is turned
The shell of dynamic line array CCD device 5, enables line laser light curtain to be emitted to 3 shell of the second line laser reflection unit and photodetection
The top of 4 shell of reception device, and in order to ensure that the 4th detection light curtain M4 utmostly covers target surface range, need according to specific real
Fitness of environment is tested by line array CCD device 5 translate and to ensure line laser emitter 1 and First Line laser reflecting device 2
With the device position central symmetry；The adjusting knob 13 that all cylinder triangles chassis 27 is adjusted after the completion of putting, passes through sight
Level tune is completed after examining horizontal bubble 14.
(2) the Calibration of Laser device 7 of line laser emitter 1 and First Line laser reflecting device 2 is opened, is marked according to the observation
Determining graduation mark makes two beam laser overlap and is in 8 center of graduation mark, after adjustment overlaps, reads First Line laser reflecting device at this time
The numerical value θ of 2 angular encoders 201。
(3) First Line laser reflecting device 2 and the second line laser reflection unit 3 are rotated, First Line laser reflecting device 2 is made
It is received with photodetection with 3 the second detection light curtain of coplanar formation M2 of the second line laser reflection unit, the second line laser reflection unit 3
4 coplanar formation third of device detects light curtain M3, and so that third is detected light curtain by each cylinder coarse adjustment function and fine adjustment function
M3 is in the center of 4 calibrated scale line 8 of photodetection reception device；Measure line laser emitter 1 and First Line laser reflection
Device 2, the second line laser reflection unit 3 and the rectangular base 38 of First Line laser reflecting device 2 correspond at a distance from two corner angle
Judge whether the first detection light curtain M1 and third detection light curtain M3 are parallel, complete to demarcate if parallel；First Line is read at this time to swash
The numerical value θ of 2 angular encoder 20 of light reflecting device2, measure between line laser emitter 1 and the second line laser reflection unit 3
Distance be the first range S1, the distance between line laser emitter 1 and First Line laser reflecting device 2 be the second range S2,
By data transfer to intelligent signal collection instrument 43.
(4) the angle value θ that LED display 21 is shown on 5 panel of line array CCD device is read3Input to intelligent signal collection
Instrument 43.
(5) it opens on each cylinder control panel and the power switch of intelligent signal collection instrument 43, starts to test, work as target
When by the first detection light curtain M1, intelligent signal collection instrument 43 can record moment value t1And start timing, to line array CCD device
5, which send out ynchronization trigger command, starts to scan, and target is by the second detection light curtain M2, the third detection light curtains of detection light curtain M3 and the 4th
The time value of M4 is respectively t2、t3、t4, in conjunction with 26 frequency acquisition of linear CCD sensor and four detection light curtains geometrical relationships,
And then it calculates flying speed, target coordinate.
Wherein, specific calculation used by above-mentioned discrete target location test method includes：
(1) first detection light curtain M1 is S at a distance from third detection light curtain M31, value at the time of target passes through two light curtains
Respectively t1、t3, then airbound target speed can be determined
(2) first detection light curtain M1 are S at a distance from the second detection light curtain M22, first detects the detections of light curtain M1 and second
Light curtain M2 crosses angle for (θ2-θ1), target is respectively t by value at the time of the first detection light curtain M1, the second detection light curtain M21、
t2, then the coordinate of airbound target can be determined
(3) first detection light curtain M1 and the 4th detection light curtain M4 cross angle for θ3, target by the first detection light curtain M1,
Value is respectively t at the time of 4th detection light curtain M41、t4, whereinK is the sweep speed of line array CCD, then can determine
The coordinate y=tan θ of airbound target3·v·(t4-t1)。
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of discrete target location test device comprising line laser emitter (1), First Line laser reflecting device
(2), the second line laser reflection unit (3), photodetection reception device (4), line array CCD device (5) and intelligent signal collection
Instrument (43), wherein the line array CCD device (5) is arranged in the line laser emitter (1) and the First Line laser reflection
The line midpoint of device (2), by the line laser emitter (1), the First Line laser reflecting device (2), described
Second line laser reflection unit (3), the photodetection reception device (4) and the line array CCD device (5) form four spies
Survey light curtain.
2. discrete target location according to claim 1 test device, supplementary features are, the line laser transmitting
Device (1) includes triangle chassis (27) and first shell (44), and the first shell (44) is arranged in the triangle chassis (27)
On, it is equipped with the first connection turntable (28) and the second connection turntable (11) successively on the triangle chassis (27), described first connects
It all includes connection bump disk (36) and connecting seat (35), the connection bump to switch through disk (28) and the second connection turntable (11)
Disk (36) and the connecting seat (35) nested encryptions, the second connection turntable (11) further includes rectangular base (38), described
The both sides of second connection turntable (11) are equipped with locking knob (10), set on the first connection turntable (28) and hang down there are two mutual
The horizontal bubble (14) directly arranged.
3. discrete target location according to claim 2 test device, supplementary features are, in the first shell
(44) laser emission element is equipped in, the laser emission element includes four laser line generators (7), lithium battery (16) and fixed plate
(15), wherein the laser line generator (7) is located at the top of the first shell (44) and is connected in the fixed plate (15),
Wherein three laser line generators (7) send out fan-shaped laser beam, another described laser line generator (7) is for demarcating, described the
The front of one shell (44) is equipped with first panel (6), and light-emitting window and self calibration graduation mark are equipped in the first panel (6)
(8), the laser line generator (7) emits laser and is sent out by the light-emitting window in the first panel (6).
4. discrete target location according to claim 3 test device, supplementary features are, first line laser
Reflection unit (2) includes second shell (45), and fine tuning connection turntable (39), rotary shaft are equipped in the second shell (45)
(19) it is mounted in the rotary shaft (19) with speculum (18), the speculum (18)；The bottom end of the rotary shaft (19) with
Angular encoder (20) connects.
5. discrete target location according to claim 4 test device, supplementary features are, in the second shell
(45) front be equipped with second panel (29) and third panel (31), wherein the second panel (29) be arranged vertically and with institute
The back side for stating second shell (45) is parallel, is provided in the second panel (29) and receives slit (30), the third panel
(31) it is arranged vertically and is in 45 ° of angles between the back side of the second shell (45), be arranged on the third panel (31)
There is transmite slit (17).
6. discrete target location according to claim 5 test device, supplementary features are that the photodetection connects
Receiving apparatus (4) includes third shell (46), and photoelectric detection unit is internally provided in the photodetection reception device (4), described
Photoelectric detection unit includes third panel (40) and two fixed plates (15), and two fixed plates (15) are arranged vertically and phase
It is mutually parallel；Further include fourth face plate (40), several are equipped in the fixed plate (15) close to the fourth face plate (40)
First optical lens (22), first optical lens (22) are vertically sequentially arranged, far from the fourth face plate
(40) the fixed plate (15) is equipped with several groups circuit board (23) and photodetector (24), circuit board (23) described in every group
With corresponding first optical lens (22) matched of the photodetector (24).
7. discrete target location according to claim 6 test device, supplementary features are, the line array CCD dress
It includes U-shaped frame (42) and the 4th shell (47) to set (5), and it is fixed that the U-shaped frame (42) by third connects turntable (41), and described the
Four shells (47) can rotate on the U-shaped frame (42), and laser line generator is arranged on the upper surface of the 4th shell (47)
(7) and second optical lens (25) linear array CCD camera (26), is equipped in the 4th shell (47), with described the
Two optical lens (25) are connected.
8. discrete target location according to claim 7 test device, supplementary features are, on the triangle chassis
(27) corner positions are equipped with regulating device, and the regulating device includes knob (13), stud (37) and footing, wherein described
Knob (13) is connect with one end of the stud (37), and the other end of the stud (37) is connected with the footing.
9. a kind of discrete target location test method uses the discrete target position described in any one of claim 1-8
Test device is set, is included the following steps:
(1) on predetermined test position trajectory, it is that line laser emitter (1) and First Line laser reflecting device (2) be coplanar
One group of column vertical in ground place, the second line laser reflection unit (3) and photodetection reception device (4) it is coplanar be second group
Column vertical is placed in ground, and line array CCD device (5) is placed on line laser emitter (1) and First Line laser reflection fills
(2) line midpoint is set, the shell of rotation line array CCD device (5) enables line laser light curtain to be emitted to the reflection of the second line laser
The top of device (3) shell and photodetection reception device (4) shell, and in order to ensure the 4th detection light curtain (M4) utmostly
Target surface range is covered, line array CCD device (5) translate and to ensure that line laser emitter (1) and the first line laser are anti-
Injection device (2) is with the device position central symmetry；The adjusting rotation on all cylinder triangles chassis (27) is adjusted after the completion of putting
Button (13) completes Level tune afterwards by observing horizontal bubble (14)；
(2) line laser emitter (1) and the laser line generator (7) of First Line laser reflecting device (2) are opened, is marked according to the observation
Determining graduation mark makes two beam laser overlap and is in graduation mark (8) center, after adjustment overlaps, reads First Line laser reflection at this time and fills
Set the numerical value θ of the angular encoder (20) of (2)1；
(3) rotation First Line laser reflecting device (2) and the second line laser reflection unit (3), make First Line laser reflecting device
(2) with the second line laser reflection unit (3) is coplanar forms the second detection light curtain (M2), the second line laser reflection unit (3) and light
Electrical resistivity survey surveys the coplanar formation third detection light curtain (M3) of reception device (4), and so that third is detected light curtain (M3) and be in photodetection
The center of reception device (4) calibrated scale line (8)；Measure line laser emitter (1) with First Line laser reflecting device (2),
Second line laser reflection unit (3) is at a distance from corresponding two corner angle of rectangular base (38) of First Line laser reflecting device (2)
Judge whether the first detection light curtain (M1) and third detection light curtain (M3) are parallel, complete to demarcate if parallel；First is read at this time
The numerical value θ of line laser reflection unit (2) angular encoder (20)2, measure line laser emitter (1) and reflected with the second line laser
The distance between device (3) is the first range S1, between line laser emitter (1) and First Line laser reflecting device (2)
Distance is the second range S2, give data transfer to intelligent signal collection instrument (43)；
(4) the angle value θ of LED display (21) display on line array CCD device (5) panel is read3Input to intelligent signal collection instrument
(43)；
(5) it opens on each cylinder control panel and the power switch of intelligent signal collection instrument (43), starts to test, when target passes through
When crossing the first detection light curtain (M1), intelligent signal collection instrument (43) can record moment value t1And start timing, it is filled to line array CCD
It sets (5) and sends out ynchronization trigger command and start to scan, target is by the second detection light curtain (M2), third detection light curtain (M3) and the 4th
The time value for detecting light curtain (M4) is respectively t2、t3、t4, in conjunction with linear CCD sensor (26) frequency acquisition and four detection light curtains
Geometrical relationship, and then calculate flying speed, target coordinate.
10. discrete target location according to claim 9 test method, supplementary features are that the method is also wrapped
It includes：
(1) first detection light curtain (M1) is S at a distance from third detection light curtain (M3)1, value point at the time of target passes through two light curtains
It Wei not t1、t3, then airbound target speed can be determined
(2) first detection light curtains (M1) are S at a distance from the second detection light curtain (M2)2, first detects light curtain (M1) and the second detection
Light curtain (M2) crosses angle for (θ2-θ1), target is by value point at the time of the first detection light curtain (M1), the second detection light curtain (M2)
It Wei not t1、t2, then the coordinate of airbound target can be determined
(3) first detection light curtains (M1) cross angle for θ with the 4th detection light curtain (M4)3, target is by the first detection light curtain
(M1), value is respectively t at the time of the 4th detection light curtain (M4)1、t4, whereinK is the sweep speed of line array CCD, then may be used
To determine the coordinate y=tan θ of airbound target3·v·(t4-t1)。
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| CN113008083A (en) * | 2021-02-18 | 2021-06-22 | 西安工业大学 | Array type long-focus lens super wide-angle photoelectric detection target device |
| CN113008083B (en) * | 2021-02-18 | 2022-08-30 | 西安工业大学 | Array type long-focus lens super wide-angle photoelectric detection target device |
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Application publication date: 20181113 Assignee: Xi'an Yinyuan Technology Co.,Ltd. Assignor: XI'AN TECHNOLOGICAL University Contract record no.: X2023980045055 Denomination of invention: A discrete target position testing device and testing method Granted publication date: 20210416 License type: Common License Record date: 20231030 |