CN204439835U - Multiple goal pulse laser distance measuring device on a kind of different boresight - Google Patents
Multiple goal pulse laser distance measuring device on a kind of different boresight Download PDFInfo
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- CN204439835U CN204439835U CN201520173501.XU CN201520173501U CN204439835U CN 204439835 U CN204439835 U CN 204439835U CN 201520173501 U CN201520173501 U CN 201520173501U CN 204439835 U CN204439835 U CN 204439835U
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Abstract
The utility model relates to multiple goal pulse laser distance measuring device on a kind of different boresight, belongs to pulsed laser ranging field.This device comprises Laser emission receiving unit, optical module and electronic package, described Laser emission receiving unit comprises laser instrument, emitting antenna and photoelectric receiving tube, described optical module comprises object lens, Amici prism, microlens array and charge-coupled image sensor, microlens array is positioned at the image planes place of object lens, and Amici prism is between object lens and microlens array; Charge-coupled image sensor is positioned at the focal length place of microlens array; Electronic package comprises power module, target range computing module, light field image data processing module and display and control module.Laser ranging technique combines with light-field camera technology by the utility model, only launch a laser, with regard to realizing, the multiple targets not on same boresight being found range simultaneously, can obviously reduce Laser emission number of times, extend laser instrument serviceable life, and effectively improve the efficiency of range finding.
Description
Technical field
The utility model relates to multiple goal pulse laser distance measuring device on a kind of different boresight, belongs to pulsed laser ranging field.
Background technology
Precision of laser ranging is high, speed is fast, ranging is far away, and distance accuracy and measuring distance have nothing to do, and therefore applies very wide in engineering and military field.Pulse laser range finder emission coefficient is to objective emission laser pulse, echo-pulse after target reflection enters receiving system, the number system of range finder using laser measures the time of laser pulse roundtrip propagation on testing distance, can determine the distance of target.In order to get rid of the interference of thing, trees etc. to the same direction, range finder using laser adds range gating circuit.Utilize rangerate-gate technique, can multi-Goal Measure be realized, but require that multiple target to be measured is on same boresight.To there not being multiple targets of certain three-dimensional depth to find range on same boresight simultaneously, there is no method and apparatus at present can solve.
Utility model content
For solving the problem, a kind of transmitting laser can to the device and method not having multiple targets of certain three-dimensional depth to find range on same boresight simultaneously in conjunction with light-field camera technical design for the utility model.
The light-field camera know-why of the utility model application is as follows:
Four-dimensional light field can all light in representation space.Can only store irradiation corresponding to each pixel relative to traditional camera, light-field camera can not only store illumination corresponding to each pixel, can also record the direction of the light shining this pixel.Shape composition measurement and process two steps of light-field camera image.In measuring process, the intensity of image recording sensor light and direction; In processing procedure, light-field camera can generate focus traditional camera image at an arbitrary position by calculating.Therefore, light-field camera can realize " first taking pictures, rear focusing ".
The process of traditional camera focusing carrys out the distance of adjustable lens photocentre to imaging surface by rotating focusing ring, and light-field camera moves imaginary imaging surface by software, utilizes similar triangle theory to calculate.Therefore, if use laser ranging technique to record a certain target range, use the light field data of this target imaging of light-field camera technical notes simultaneously, moved by software program and be visualized as image planes and can realize on same boresight, not having multiple targets of certain three-dimensional depth to find range to this target simultaneously.
In conjunction with above-mentioned principle, the concrete scheme that the utility model adopts is as follows:
Multiple goal pulse laser distance measuring device on a kind of different boresight, comprise Laser emission receiving unit, optical module and electronic package, described Laser emission receiving unit comprises laser instrument, emitting antenna and photoelectric receiving tube, described optical module comprises object lens, Amici prism, microlens array and charge-coupled image sensor, microlens array is positioned at the image planes place of object lens, and Amici prism is between object lens and microlens array; Charge-coupled image sensor is positioned at the focal length place of microlens array; Electronic package comprises power module, target range computing module, light field image data processing module and display and control module.Amici prism arrives microlens array for the return laser beam passed in object lens being reflexed to other light that photoelectric receiving tube passes through Amici prism; The light field data that microlens array obtains target projects on charge-coupled image sensor, is converted into digital signal and is transferred to electronic package by it; Photoelectric receiving tube by laser echo pulse Signal transmissions to electronic package.Power module is used for providing operating voltage for laser instrument, photoelectric receiving tube and charge-coupled image sensor; Target range computing module and light field image data processing module are used for calculating according to the laser echo pulse signal read in and target light field data and exporting target image and corresponding target range, utilize the digital heavily focusing technology of light field to export other target images in field range not on same boresight and target range respectively simultaneously; Display and control module control laser instrument for exporting trigger pip, and for target image and target range.
Described Amici prism can be arbitrarily angled prism, guarantees to have a reflecting surface, reflects laser echo, and makes photoelectric receiving tube be positioned at the position of reflection ray process.Preferably, described Amici prism is right-angle reflecting prism, its side, hypotenuse place is coated with laser and is all-trans film.The return laser beam that target reflects can be made like this to reflex on photoelectric receiving tube, and other light project on microlens array through Amici prism.
Preferably, described charge-coupled image sensor adopts KAF-16803 image sensor chip.
Preferably, described microlens array is 292 × 292 yuan, focal length 500 microns, diameter 125 microns.The size of microlens array can be arranged according to the collocation with charge-coupled image sensor.
Preferably, described target range computing module adopts AT89C55 single-chip microcomputer, as core processing device.
Preferably, described light field image data processing module adopts model to be the fpga chip of EP2C35F484C6N.
Preferably, described display and control module adopt Sharp LS050T1SX01 liquid crystal display, and resolution is 1080*1920.
Laser ranging technique combines with light-field camera technology by the utility model, only launch a laser, with regard to realizing, the multiple targets not on same boresight being found range simultaneously, can obviously reduce Laser emission number of times, extend laser instrument serviceable life, and effectively improve the efficiency of range finding.
Accompanying drawing explanation
Fig. 1 is system construction drawing of the present utility model;
Fig. 2 is the working timing figure of the utility model embodiment;
In figure, 1, object lens, 2, Amici prism, 3, optical module, 4, microlens array, 5, charge-coupled image sensor, 6, Laser emission receiving unit, 7, emitting antenna, 8, laser instrument, 9, photoelectric receiving tube, 10, target range computing module, 11, light field image data processing module, 12, power module, 13, display and control module, 14, electronic package.
Embodiment
Explanation the utility model is explained further below with the embodiment of indefiniteness.
Multiple goal laser pulse ranging device on a kind of different boresight, as shown in the figure, comprises Laser emission receiving unit 6, optical module 3 and electronic package 14.
Laser emission receiving unit 6 is made up of laser instrument 8, emitting antenna 7 and photoelectric receiving tube 9, and laser instrument 8 adopts YAG minature solide-state laer, and Emission Lasers wavelength is 1.06um.Photoelectric receiving tube 9 adopts PIN photodiode.Under the control of electronic package 14 by laser instrument 8 through emitting antenna 7 to objective emission laser pulse, the return laser beam returned is received by photoelectric receiving tube 9 and is converted to voltage pulse signal exports to electronic package 14.
Optical module 3 is made up of object lens 1, Amici prism 2, microlens array 4 and charge-coupled image sensor 5, and microlens array 4 is 292 × 292 yuan, and its focal length is 500 microns, and diameter is 125 microns, and microlens array 4 is positioned at the image planes place of object lens 1.Amici prism 2 is between object lens 1 and microlens array 4, Amici prism 2 for cross section be the prism of right-angle triangle, the laser that wherein side, hypotenuse place is coated with 1.06um wavelength is all-trans film, the return laser beam of target reflection and other light shone in target pass object lens, the laser echo pulse passed in object lens reflexes on photoelectric receiving tube by Amici prism, and other light arrives microlens array through Amici prism.Charge-coupled image sensor 5 adopt pixel number be 4096 × 4096 KAF-16803 image sensor chip, be positioned at the focal length place of microlens array 4.Point in target focuses on microlens array plane after object lens, shed intensity and durection component is divided through single lenticule, arrive the different bins of charge-coupled image sensor, thus obtain target light field information, be translated into digital signal by charge-coupled image sensor 5 and be transferred to electronic package 14.
Electronic package 14 is made up of power module 12, target range computing module 10, light field image data processing module 11 and display and control module 13, power module 12 adopts RUICU series SIP packaging power chip, the multiple voltage such as 3.3V, 5V, ± 12V can be provided, for providing operating voltage for laser instrument, photoelectric receiving tube and charge-coupled image sensor.Target range computing module 10 adopts AT89C55 single-chip microcomputer as core processor, for calculating target range.Light field image data processing module 11 adopt model be the fpga chip of EP2C35F484C6N as data processing core, for the treatment of target light field data obtain target image.Display and control module 13 adopt the Sharp LS050T1SX01 liquid crystal display of 5.0inch, and resolution is 1080 × 1920.
Below in conjunction with explanation specific works process of the present utility model:
(1) run-home, collect target light field data: opening power, focused by display and control module and send trigger pip after aiming at distant object, the light of target reflection is through object lens, form target light field data through microlens array imaging after Amici prism, and charge-coupled image sensor record object light field data also exports to the light field image data processing module of electronic package;
(2) Emission Lasers, collect laser echo signal: after a frame target light field data exports, display and control module control laser instrument and send laser pulse, return laser beam after target reflection arrives photoelectric receiving tube through after object lens through Amici prism reflection, forms the target range computing module that laser echo pulse signal exports to electronic package;
(3) process and show image and the distance of current goal: the process of light field image data processing module calculates the target light field data of input, draw current target image and send to display and control module display; Target range computing module calculates the range information of current goal and sends to display control module to show;
(4) process and show image and the distance of other targets: being moved by display and control module and be visualized as image planes, carry out light field data again to focus, aim at other targets in field range not on same boresight respectively, calculate one by one and show image and the distance of other targets.
Claims (7)
1. multiple goal pulse laser distance measuring device on a different boresight, comprise Laser emission receiving unit (6), optical module (3) and electronic package (14), described Laser emission receiving unit (6) comprises laser instrument (8), emitting antenna (7) and photoelectric receiving tube (9), it is characterized in that: described optical module (3) comprises object lens (1), Amici prism (2), microlens array (4) and charge-coupled image sensor (5), microlens array (4) is positioned at the image planes place of object lens (1), Amici prism (2) is positioned between object lens (1) and microlens array (4), charge-coupled image sensor (5) is positioned at the focal length place of microlens array (4), electronic package (14) comprises power module (12), target range computing module (10), light field image data processing module (11) and display and control module (13).
2. multiple goal pulse laser distance measuring device on different boresight according to claim 1, is characterized in that: described Amici prism (2) is right-angle reflecting prism, its side, hypotenuse place is coated with laser and is all-trans film.
3. multiple goal pulse laser distance measuring device on different boresight according to claim 1 and 2, is characterized in that: described charge-coupled image sensor (5) adopts KAF-16803 image sensor chip.
4. multiple goal pulse laser distance measuring device on different boresight according to claim 1 and 2, is characterized in that: described microlens array (4) is 292 × 292 yuan, focal length 500 microns, diameter 125 microns.
5. multiple goal pulse laser distance measuring device on different boresight according to claim 1 and 2, is characterized in that: described target range computing module (10) adopts AT89C55 single-chip microcomputer.
6. multiple goal pulse laser distance measuring device on different boresight according to claim 1 and 2, is characterized in that: described light field image data processing module (11) adopts model to be the fpga chip of EP2C35F484C6N.
7. multiple goal pulse laser distance measuring device on different boresight according to claim 1 and 2, is characterized in that: described display and control module (13) adopt Sharp LS050T1SX01 liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520173501.XU CN204439835U (en) | 2015-03-26 | 2015-03-26 | Multiple goal pulse laser distance measuring device on a kind of different boresight |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520173501.XU CN204439835U (en) | 2015-03-26 | 2015-03-26 | Multiple goal pulse laser distance measuring device on a kind of different boresight |
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| CN204439835U true CN204439835U (en) | 2015-07-01 |
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| CN201520173501.XU Expired - Fee Related CN204439835U (en) | 2015-03-26 | 2015-03-26 | Multiple goal pulse laser distance measuring device on a kind of different boresight |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513161A (en) * | 2015-11-24 | 2016-04-20 | 大连楼兰科技股份有限公司 | An event data recorder with a distance measuring function and a distance measuring method thereof |
| CN106940807A (en) * | 2017-04-19 | 2017-07-11 | 深圳市元征科技股份有限公司 | A kind of processing method and processing device based on mirror device of looking in the distance |
-
2015
- 2015-03-26 CN CN201520173501.XU patent/CN204439835U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105513161A (en) * | 2015-11-24 | 2016-04-20 | 大连楼兰科技股份有限公司 | An event data recorder with a distance measuring function and a distance measuring method thereof |
| CN106940807A (en) * | 2017-04-19 | 2017-07-11 | 深圳市元征科技股份有限公司 | A kind of processing method and processing device based on mirror device of looking in the distance |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150701 Termination date: 20160326 |
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| CF01 | Termination of patent right due to non-payment of annual fee |