CN107436430A - High security photoelectric remote-sensing device scan detection device - Google Patents
High security photoelectric remote-sensing device scan detection device Download PDFInfo
- Publication number
- CN107436430A CN107436430A CN201710665731.1A CN201710665731A CN107436430A CN 107436430 A CN107436430 A CN 107436430A CN 201710665731 A CN201710665731 A CN 201710665731A CN 107436430 A CN107436430 A CN 107436430A
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- Prior art keywords
- laser
- light
- rangefinder
- photoelectric remote
- light extraction
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Classifications
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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
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
Abstract
The invention discloses a kind of high security photoelectric remote-sensing device scan detection device, including：Laser, for launching laser；Sweep unit, light-emitting window can be moved to any direction, any angle；Rangefinder, the obstacle distance on the coaxial path of light beam for measuring laser transmitting；Periphery object sensory perceptual system, the close of periphery object, the close speed of judgment object, distance and object temperature can be perceived；System security controls platform, the data that rangefinder before laser light extraction obtains can be subjected to analysis calculating, to control the angle of light extraction and go out light energy size.This invention ensures that security of photoelectric remote-sensing detecting devices when to any direction light extraction, both protects out the personnel on light path, protects equipment again in itself；Be advantageous to popularization and application of the advanced photoelectric remote-sensing detecting devices in every field, especially in the more city of building, can be very good to realize horizontal sweep.
Description
Technical field
The present invention relates to optical field, and in particular to a kind of high security photoelectric remote-sensing device scan detection device.
Background technology
With the progress and development of science and technology, photoelectric remote-sensing detecting devices starts to be widely used in Pollution Gas, air
The detection of the parameters such as particulate matter, distance, temperature, there are Mie scattering lidar, Raman lidar, anemometry laser radar, steam
Laser radar, laser range finder etc., these photoelectric remote-sensing detecting devices actively launch the laser beam of specific band, run into big
Scattering is produced when gas dusty gas, Atmospheric particulates or excites the rear orientation light of its all band, and photoelectric remote-sensing detection is set
It is standby receive rear orientation light after analyzed and calculated, can be obtained with the short time extinction coefficient, wind information, humiture, steam,
The useful information such as nitrogen, ozone, distance, to environmental protection, meteorological, mapping etc., department has advanced technical support to act on.
By taking field of Environment Protection as an example, because damage ratio is more serious in recent years, the less laser of single pulse energy can not penetrate side
Interlayer, thus can not obtain compared with rise from data, in order to realize preferable detection, laser single-pulse energy is both greater than substantially
10uJ, even up to more than 100mJ, if vertical sounding can be said to be safety, but in order to be traced to the source, now begin in city
The middle directional detection for carrying out any direction or continuous scanning probe, once getting to human eye, unrepairable will be caused to human eye
Damage, very big potential safety hazard be present, be unfavorable for such photoelectric remote-sensing detecting devices analyzed in city pollution group generation
With dissipation, its application is hindered significantly.
Therefore photoelectric remote-sensing detecting devices carries out the directional detection of any direction or continuous scanning probe in city, deposits
In problems with：When photoelectric remote-sensing detecting devices is scanned detection in city, the emergent light of emission system is due to energy
Amount is higher, it is possible to can get to human eye, cause the loss of human eye unrepairable.The emergent light of photoelectric remote-sensing detecting devices is possible to
Closely barrier is got to, stronger rear orientation light is produced and is received by the reception system of photoelectric remote-sensing detecting devices, damage light
The apparatus body part such as electric explorer, eyeglass, the damage of equipment in itself is caused, reduce the safety in operation of equipment.If
Avoid personnel that may be present or building carries out the directional detection or conical surface scanning probe of wide-angle, because pollutant is present
Conveying and diffusion, such detection do not make much sense to subaerial pollution distributional analysis.
The content of the invention
For above-mentioned technical problem, the present invention provides a kind of high security photoelectric remote-sensing device scan detection device.
A kind of high security photoelectric remote-sensing device scan detection device, including：
Laser, for launching laser；
Sweep unit, light-emitting window can be moved to any direction, any angle；
Rangefinder, the obstacle distance on the coaxial path of light beam for measuring laser transmitting；
Periphery object sensory perceptual system, the close of periphery object, the close speed of judgment object, distance and object temperature can be perceived
Degree；
System security controls platform, the data that rangefinder before laser light extraction obtains can be subjected to analysis calculating, to control out
The angle of light is with going out light energy size.
Preferably, the system security controls platform is built-in with laser eye safety's standard and apparatus body damage threshold number
According to storehouse.
Preferably, before light extraction, the system security controls platform can receive rangefinder and periphery object sensory perceptual system
Signal and by sending a command to laser and sweep unit according to result of calculation after calculating.
The invention provides a kind of high security photoelectric remote-sensing device scan detection device, pass through laser, sweep unit
With periphery object sensory perceptual system, barrier or the range data of people can be obtained, so as to adjust the energy of laser emitting, makes energy
Meet eye-safe and equipment safety, ensure that security of photoelectric remote-sensing detecting devices when to any direction light extraction, both protected
The personnel protected on light path, equipment is protected again in itself；Be advantageous to advanced photoelectric remote-sensing detecting devices in every field
Popularization and application, especially in the more city of building, can be very good to realize horizontal sweep.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described.
Fig. 1 is the logic control chart of high security photoelectric remote-sensing device scan detection device proposed by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes.
Embodiment：
Shown in Fig. 1, a kind of high security photoelectric remote-sensing device scan detection device, including：Rangefinder, laser, sweep unit,
Periphery object sensory perceptual system and system security controls platform.
Rangefinder uses the wave band and energy of eye-safe, coaxial to the laser emission system of photoelectric remote-sensing detecting devices
Barrier on path carries out ranging, includes the object that personnel, building etc. hinder Laser emission, and rangefinder is emitted optical port must be with
Equipment emission system is strictly coaxial；
Periphery object sensory perceptual system perceives to object close around photoelectric remote-sensing detecting devices body, judges risk range
Interior personnel close speed and distance, and object temperature can be perceived, near equipment light-emitting window；
Laser eye safety's standard built in system security controls platform and apparatus body damage threshold database, can be with coordinated signals
Rangefinder, periphery object detect close to sensory perceptual system, the laser and sweep unit of photoelectric remote-sensing detecting devices in photoelectric remote-sensing
The data that rangefinder obtains are subjected to analysis calculating before equipment light extraction, the angle of control device light extraction is kept away with going out light energy size
Exempt to damage personnel and injury device in itself, built-in laser eye safety's standard and apparatus body damage threshold database can
Renewal；
Before the laser light extraction of photoelectric remote-sensing detecting devices, the photoelectric remote-sensing detecting devices emission system that is obtained using rangefinder
Obstacle distance data on coaxial path, are divided according to laser eye safety's standard and apparatus body damage threshold database
Analysis calculates, and object is hindered if existed on the coaxial path of emission system, according to the distance for hindering object, with reference to laser radar system
The parameters such as wavelength itself, single pulse energy, pulse width, beam diameter, beam divergence angle, repetition rate, calculate the distance
Under the energy density of light beam whether can damage whether human eye and the rear orientation light under can damage apparatus body part,
If damaging human eye or apparatus body part, it will will automatically go out light energy reduction, while meet eye-safe and apparatus body
The scanning probe of safety.
When photoelectric remote-sensing detecting devices works, pass through the periphery object sense of equipment emission system light-emitting window installation
Know object close around system real-time detection equipment, judge whether it is the biology that body temperature be present, mainly personnel.If
It is personnel close to light-emitting window, into risk range, sound and light alarm will be carried out, if personnel reach the risk range limit
Value, will while sound and light alarm arrestment light extraction.
System security controls platform linkage rangefinder, periphery object sensory perceptual system, the laser of photoelectric remote-sensing detecting devices
And sweep unit, after obtaining obstacle distance data, the energy for adjusting laser emitting meets eye-safe and equipment safety, protects
Security of photoelectric remote-sensing detecting devices when to any direction light extraction has been demonstrate,proved, has both protected out the personnel on light path, has been protected again
Equipment is protected in itself.If device operator is not desired to reduce out light energy, sweep unit can be automatically controlled, equipment is gone out into optical window
Mouth translates certain angle in vertical direction, and repeatedly translation is not until have object to stop that then total power is detected.
A variety of modifications to these embodiments will be apparent for those skilled in the art, herein
Defined General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.
Claims (3)
- A kind of 1. high security photoelectric remote-sensing device scan detection device, it is characterised in that including：Laser, for launching laser；Sweep unit, light-emitting window can be moved to any direction, any angle；Rangefinder, the obstacle distance on the coaxial path of light beam for measuring laser transmitting；Periphery object sensory perceptual system, the close of periphery object, the close speed of judgment object, distance and object temperature can be perceived Degree；System security controls platform, the data that rangefinder before laser light extraction obtains can be subjected to analysis calculating, to control out The angle of light is with going out light energy size.
- 2. optical system according to claim 1, it is characterised in that the system security controls platform is built-in with laser people Eye safety standard and apparatus body damage threshold database.
- 3. optical system according to claim 1, it is characterised in that before light extraction, the system security controls platform can Receive the signal of rangefinder and periphery object sensory perceptual system and by after calculating according to result of calculation send a command to laser and Sweep unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710665731.1A CN107436430A (en) | 2017-08-07 | 2017-08-07 | High security photoelectric remote-sensing device scan detection device |
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|---|---|---|---|
| CN201710665731.1A CN107436430A (en) | 2017-08-07 | 2017-08-07 | High security photoelectric remote-sensing device scan detection device |
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| CN107436430A true CN107436430A (en) | 2017-12-05 |
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| CN201710665731.1A Pending CN107436430A (en) | 2017-08-07 | 2017-08-07 | High security photoelectric remote-sensing device scan detection device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109597093A (en) * | 2018-11-14 | 2019-04-09 | 深圳市速腾聚创科技有限公司 | The parameter regulation means and device of laser radar |
| CN110324521A (en) * | 2018-04-28 | 2019-10-11 | Oppo广东移动通信有限公司 | Control method, apparatus, electronic equipment and the storage medium of camera |
| WO2020042006A1 (en) * | 2018-08-29 | 2020-03-05 | 深圳市大疆创新科技有限公司 | Method and apparatus for controlling laser radar, laser radar, and storage medium |
| WO2020181433A1 (en) * | 2019-03-08 | 2020-09-17 | Oppo广东移动通信有限公司 | Free space optical communications method, and transmitter and receiver |
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Application publication date: 20171205 |
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