CN109799366A - Light curtain target calibrating installation and its calibration method based on stroboscopic light source - Google Patents
Light curtain target calibrating installation and its calibration method based on stroboscopic light source Download PDFInfo
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- CN109799366A CN109799366A CN201811635147.2A CN201811635147A CN109799366A CN 109799366 A CN109799366 A CN 109799366A CN 201811635147 A CN201811635147 A CN 201811635147A CN 109799366 A CN109799366 A CN 109799366A
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Abstract
The invention discloses a kind of light curtain target calibrating installation based on stroboscopic light source, including initial alignment light curtain structure, cut-off calibration light curtain structure, computer, light source controller and signal picker, the initial alignment light curtain structure includes starting target transmitting light source mounting rack, starting target stroboscopic light source, starting target photoelectric converter；The cut-off calibration light curtain structure includes cut-off target transmitting light source mounting rack, cut-off target stroboscopic light source, cut-off target photoelectric converter.The invention also discloses a kind of light curtain target calibration method based on stroboscopic light source.The signal that the present invention is generated by stroboscopic light source, frequency is adjustable, and adjustable range is big, can be used for the quickly calibrated of light curtain target, and for calibration process independent of flying object, the measuring device for not needing to be equipped with high accuracy again realizes comparison.
Description
Technical field
The present invention relates to measurement instrument technical field more particularly to a kind of light curtain target calibrating installation based on stroboscopic light source and
Its calibration method.
Background technique
There are certain thickness and divergence in the curtain face of light curtain target as the curtain face of sky, and accordingly, there exist because of curtain face thickness
Range error caused by degree.The curtain face of light curtain target is the light curtain of light composition, and very intuitively, this sets up accuracy to raising, gram
It is advantageous to take range error.Light curtain target is because its is good anti-interference, lower cost, the tachometric survey for Miniature Vehicle object.
It calibrates the speed measuring device generallyd use with high accuracy, as the light curtain target of radar, more high accuracy compares
It realizes.The above alignments there are the problem of:
1, be able to verify that measurement range depends on the speed of flying object itself.
2, need to leap the calibration for being just able to achieve multiple spot at different rates by multiple flying objects, it is at high cost, difficult to calibrate
Degree is big, time-consuming.
Summary of the invention
The speed of flying object itself is depended on based on existing be able to verify that measurement range and is needed through multiple flying objects
The calibration for being just able to achieve multiple spot is leapt at different rates, is calibrated the technical issues of at high cost, difficulty is big, time-consuming, the present invention
Propose a kind of light curtain target calibrating installation and its calibration method based on stroboscopic light source.
Light curtain target calibrating installation proposed by the present invention based on stroboscopic light source, including initial alignment light curtain structure, cut-off school
Quasi-optical curtain structure, computer, light source controller and signal picker, the initial alignment light curtain structure include that starting target emits light
Source mounting rack, starting target stroboscopic light source, starting target photoelectric converter；The cut-off calibration light curtain structure includes that cut-off target emits light
Source mounting rack, cut-off target stroboscopic light source, cut-off target photoelectric converter.
Preferably, the surface and the surface of starting target photoelectric converter of the starting target transmitting light source mounting rack are relatively parallel
Installation, it is described to originate light curtain plane projection caused by target stroboscopic light source on the surface of starting target photoelectric converter.
Preferably, the surface and the surface of cut-off target photoelectric converter of the cut-off target transmitting light source mounting rack are relatively parallel
Installation ends light curtain plane projection caused by target stroboscopic light source on the surface of cut-off target photoelectric converter.
Preferably, the computer makes to originate target stroboscopic light source and end target stroboscopic light source to produce for controlling light source controller
The single strobe light of raw fixed frequency carrys out simulated flight object and passes through, and the signal picker measuring signal is for calculating flying object
Flying speed.
Preferably, the model M-3001 of the signal picker, the model HSPS-24W60- of the light source controller
2T。
A kind of light curtain target calibration method based on stroboscopic light source, comprising:
It calculates according to the point to be calibrated, calculate and originates target stroboscopic light source and cut-off target frequency by light-source controller controls
The strobe signal that the two stroboscopic light sources of flash source should generate；
The signal that starting target photoelectric converter and cut-off target photoelectric converter receive is that simulated flight object leaps light curtain
The signal step that target generates, then by calculating for two target time differences, to realize calibration process.
Having the beneficial effect that in the present invention
1, the signal generated by stroboscopic light source, frequency is adjustable, and adjustable range is big, can be used for the quickly calibrated of light curtain target.
2, for calibration process independent of flying object, the measuring device for not needing to be equipped with high accuracy again realizes comparison.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the light curtain target calibrating installation proposed by the present invention based on stroboscopic light source.
In figure: 1, originating target and emit light source mounting rack；2, target stroboscopic light source is originated；3, target photoelectric converter is originated；4, it cuts
Only target emits light source mounting rack；5, end target stroboscopic light source；6, end target photoelectric converter；7, light source controller；8, signal is adopted
Storage；9, computer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Referring to Fig.1, the light curtain target calibrating installation based on stroboscopic light source, including initial alignment light curtain structure, cut-off calibration light
Curtain structure, computer 9, light source controller 7 and signal picker 8, the model M-3001 of signal picker 8, light source controller 7
Model HSPS-24W60-2T, initial alignment light curtain structure include starting target transmitting light source mounting rack 1, starting target strobe light
Source 2, starting target photoelectric converter 3, the surface of starting target transmitting light source mounting rack 1 and the surface phase of starting target photoelectric converter 3
To parallel installation, light curtain plane projection caused by target stroboscopic light source 2 is originated on the surface of starting target photoelectric converter 3；
Cut-off calibration light curtain structure includes cut-off target transmitting light source mounting rack 4, cut-off target stroboscopic light source 5, cut-off target photoelectricity
Converter 6, cut-off target transmitting light source mounting rack 4 surface with cut-off target photoelectric converter 6 surface it is relatively parallel install, cut-off
Light curtain plane projection caused by target stroboscopic light source 5 is on the surface of cut-off target photoelectric converter 6, and computer 9 is for controlling light
Source controller 7 makes the single strobe light for originating target stroboscopic light source 2 and the cut-off generation fixed frequency of target stroboscopic light source 5 carry out simulated flight
Object passes through, and 8 measuring signal of signal picker is used to calculate the flying speed of flying object, the signal generated by stroboscopic light source, frequency
Rate is adjustable, and adjustable range is big, can be used for the quickly calibrated of light curtain target, and calibration process does not need to be equipped with again independent of flying object
The measuring device of high accuracy, which is realized, to be compared.
Light curtain target calibration method based on stroboscopic light source, specifically includes the following steps:
Step 1: calculating according to the point to be calibrated, calculate and by control starting 2 He of target stroboscopic light source of light source controller 7
The strobe signal that cut-off the two stroboscopic light sources of target stroboscopic light source 5 should generate；
Step 2: the signal that starting target photoelectric converter 3 and cut-off target photoelectric converter 6 receive is simulated flight object
The signal step of light curtain target generation is leapt, then two target time differences were calculated by computer, to realize calibration process.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of light curtain target calibrating installation based on stroboscopic light source, including initial alignment light curtain structure, cut-off calibration light curtain structure,
Computer (9), light source controller (7) and signal picker (8), it is characterised in that: the initial alignment light curtain structure includes
Beginning target emits light source mounting rack (1), starting target stroboscopic light source (2), starting target photoelectric converter (3)；Light curtain is calibrated in the cut-off
Structure includes cut-off target transmitting light source mounting rack (4), cut-off target stroboscopic light source (5), cut-off target photoelectric converter (6).
2. the light curtain target calibrating installation based on stroboscopic light source according to claim 1, it is characterised in that: the starting target transmitting
The surface of light source mounting rack (1) with starting target photoelectric converter (3) surface it is relatively parallel install, the starting target stroboscopic light source
(2) light curtain plane projection caused by is on the surface of starting target photoelectric converter (3).
3. the light curtain target calibrating installation based on stroboscopic light source according to claim 1, it is characterised in that: the cut-off target transmitting
The surface of light source mounting rack (4) with cut-off target photoelectric converter (6) surface it is relatively parallel install, end target stroboscopic light source (5)
Generated light curtain plane projection is on the surface of cut-off target photoelectric converter (6).
4. the light curtain target calibrating installation based on stroboscopic light source according to claim 1, it is characterised in that: the computer (9)
For controlling, light source controller (7) makes to originate target stroboscopic light source (2) and cut-off target stroboscopic light source (5) generates the single of fixed frequency
Strobe light carrys out simulated flight object and passes through, and signal picker (8) measuring signal is used to calculate the flying speed of flying object.
5. the light curtain target calibrating installation based on stroboscopic light source according to claim 1, it is characterised in that: the signal picker
(8) model M-3001, the model HSPS-24W60-2T of the light source controller (7).
6. a kind of light curtain target calibration method based on stroboscopic light source, comprising:
It calculates according to the point to be calibrated, calculates and by light source controller (7) control starting target stroboscopic light source (2) and cut-off target
The strobe signal that stroboscopic light source (5) the two stroboscopic light sources should generate；
The signal that starting target photoelectric converter (3) and cut-off target photoelectric converter (6) receive is that simulated flight object leaps light
The signal step that curtain target generates, then by calculating for two target time differences, to realize calibration process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811635147.2A CN109799366A (en) | 2018-12-29 | 2018-12-29 | Light curtain target calibrating installation and its calibration method based on stroboscopic light source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811635147.2A CN109799366A (en) | 2018-12-29 | 2018-12-29 | Light curtain target calibrating installation and its calibration method based on stroboscopic light source |
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| CN109799366A true CN109799366A (en) | 2019-05-24 |
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| CN201811635147.2A Pending CN109799366A (en) | 2018-12-29 | 2018-12-29 | Light curtain target calibrating installation and its calibration method based on stroboscopic light source |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024978A (en) * | 2019-11-28 | 2020-04-17 | 内蒙古北方重工业集团有限公司 | Light curtain target auxiliary measuring device and using method thereof |
| CN111024987A (en) * | 2019-11-28 | 2020-04-17 | 内蒙古北方重工业集团有限公司 | Device for enlarging light curtain area based on spherical reflection and using method thereof |
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| CN103760379A (en) * | 2013-12-20 | 2014-04-30 | 西安工业大学 | Correction and test system and method for miss distance of large target surface |
| CN104833825A (en) * | 2015-05-09 | 2015-08-12 | 南京理工大学 | Light screen target simulating calibration system |
| CN207797875U (en) * | 2017-12-20 | 2018-08-31 | 昆明信诺莱伯科技有限公司 | A kind of calibrating installation of light veil type bullet velocity-measuring system |
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| US7278290B1 (en) * | 2006-07-17 | 2007-10-09 | The United States Of America As Represented By Secretary Of The Navy | Projectile impact energy and location measurement system |
| CN101865932A (en) * | 2010-06-18 | 2010-10-20 | 南京理工大学 | Speed measuring and positioning method of single-row light source Z-type reflected light screen targets |
| CN103760379A (en) * | 2013-12-20 | 2014-04-30 | 西安工业大学 | Correction and test system and method for miss distance of large target surface |
| CN104833825A (en) * | 2015-05-09 | 2015-08-12 | 南京理工大学 | Light screen target simulating calibration system |
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| CN111024978A (en) * | 2019-11-28 | 2020-04-17 | 内蒙古北方重工业集团有限公司 | Light curtain target auxiliary measuring device and using method thereof |
| CN111024987A (en) * | 2019-11-28 | 2020-04-17 | 内蒙古北方重工业集团有限公司 | Device for enlarging light curtain area based on spherical reflection and using method thereof |
| CN111024978B (en) * | 2019-11-28 | 2022-08-23 | 内蒙古北方重工业集团有限公司 | Light curtain target auxiliary measuring device and using method thereof |
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Application publication date: 20190524 |