CN208350999U - Laser detection equipment - Google Patents

Laser detection equipment Download PDF

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Publication number
CN208350999U
CN208350999U CN201820800716.3U CN201820800716U CN208350999U CN 208350999 U CN208350999 U CN 208350999U CN 201820800716 U CN201820800716 U CN 201820800716U CN 208350999 U CN208350999 U CN 208350999U
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measured
equipment
pulse laser
sub
reception device
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杜晨光
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Lorenz (beijing) Technology Co Ltd
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Lorenz (beijing) Technology Co Ltd
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Abstract

The utility model discloses laser detection equipments.The equipment includes: emitter, reception device, electronic shutter, isochronous controller and processor;The emitter, for emitting the pulse laser of scanning subject surface to be measured;The isochronous controller, it is synchronous with the electronic shutter for controlling the pulse laser;The electronic shutter, for controlling the time for exposure of the reception device;The reception device, for receiving reflected light of the pulse laser through the subject surface to be measured and imaging;The processor, for obtaining the information of the object to be measured according to the imaging.The pulse laser of the utility model transmitting scanning subject surface to be measured, the device of emission pulse laser and object to be measured reduce the complexity of detection system without movement.The utility model controls emission pulse laser and receives reflection phototiming of the pulse laser through subject surface to be measured, can reduce influence of noise, promote the signal noise ratio of detection, be advantageously implemented farther away detection range.

Description

Laser detection equipment
Technical field
The utility model relates to field of detecting, in particular to laser detection equipment.
Background technique
In numerous application fields such as aerospace, copying, machine vision, autonomous driving vehicle, unmanned plane, require The three-D profile information of object and environment.With the development of technology, increasingly higher demands are proposed to environment sensing.
The important realization rate that Photoelectric Detection is perceived as three-D profile, obtained more and more extensive attention in recent years, Also significant progress is achieved.When common photoelectric detecting technology approach mainly includes Moire fringe technique, triangulation, pulse Between flight method, indirect time flight method, laser illumination distance gating imaging method etc., wherein laser triangulation with its technology at The advantages such as ripe, low in cost obtain wide application on low side slow machines people's platform.
Conventional laser triangulation includes sports type and silent oscillation, and silent oscillation is since detected object range is too small, application Not as good as sports type it is extensive.Above-mentioned sports type includes the following two kinds type again.
The first, light source and receiver are fixed on turntable, and the relative position of light source and receiver remains unchanged, and turntable exists Motor effect is lower to carry out unitary rotation, realizes the scanning to measurand.This measurement method needs mating rotary driver, biography Dynamic device and communication device etc., it is system complex, at high cost.
Second, light source, transmitter and receiver are stationary, and measurand is moved, and realize to measurand Scanning.This measurement method is often suitable only for single object measuring three-dimensional morphology or on-line checking.
Utility model content
The utility model embodiment provides laser detection equipment.In order to which some aspects of the embodiment to disclosure have one Simple summary is shown below in basic understanding.The summarized section is not extensive overview, nor to determine key/critical Component or the protection scope for describing these embodiments.Its sole purpose is that some concepts are presented with simple form, with this Preamble as following detailed description.
The utility model embodiment provides a kind of laser detection equipment, and the equipment includes: emitter, receives dress It sets, electronic shutter, isochronous controller and processor;
The emitter, for emitting the pulse laser of scanning subject surface to be measured;
The isochronous controller, it is synchronous with the electronic shutter for controlling the pulse laser;
The electronic shutter, for controlling the time for exposure of the reception device;
The reception device, for receiving reflected light of the pulse laser through the subject surface to be measured and imaging;
The processor, for obtaining the information of the object to be measured according to the imaging.
As it can be seen that laser detection equipment provided by the embodiment of the utility model, on the one hand, scanning Object table to be measured can be emitted The pulse laser in face, the device of emission pulse laser and object to be measured are not necessarily to move, and reduce the complexity of detection system.Separately On the one hand, control emission pulse laser and reception reflection phototiming of the pulse laser through subject surface to be measured, can reduce noise It influences, promotes the signal noise ratio of detection, be advantageously implemented farther away detection range.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not The utility model can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows and meets the utility model Embodiment, and be used to explain the principles of the present invention together with specification.
Fig. 1 is the schematic diagram of laser detection equipment in an exemplary embodiment;
Fig. 2 a is the schematic diagram for carrying out one-dimensional scanning in an exemplary embodiment in one direction;
Fig. 2 b is to carry out the schematic diagram of two-dimensional scanning in both direction in an exemplary embodiment;
Fig. 3 is the schematic diagram of laser detection equipment in an exemplary embodiment;
Fig. 4 is the schematic diagram of the pulse laser of different pulse widths in an exemplary embodiment;
Fig. 5 is the schematic diagram that the position of object to be measured is obtained in an exemplary embodiment;
Fig. 6 is the schematic diagram that the position of object to be measured is obtained in an exemplary embodiment;
Fig. 7 is the schematic diagram of the intensity of reflected light in an exemplary embodiment;
Fig. 8 is the flow chart of laser acquisition method in an exemplary embodiment.
Specific embodiment
The following description and drawings fully show the specific embodiment of the utility model, so that those skilled in the art Them can be practiced.Embodiment only represents possible variation.Unless explicitly requested, otherwise individual components and functionality is optional , and the sequence operated can change.The part of some embodiments and feature can be included in or replace other implementations The part of scheme and feature.The range of the embodiments of the present invention includes the entire scope and right of claims All obtainable equivalents of claim.Herein, each embodiment can be by individually or generally " practical new with term Type " indicates that this is not meant to automatic just for the sake of convenient, and if in fact disclose the utility model more than one The range that ground limits the application is that any single utility model or utility model are conceived.Herein, first and second grades The relational terms of class are used only for distinguishing one entity or operation from another entity or operation, without requiring or Imply that there are any actual relationship or sequences between these entities or operation.Moreover, the terms "include", "comprise" or its Any other variant is intended to non-exclusive inclusion, so that including the process, method or equipment of a series of elements It include not only those elements, but also including other elements that are not explicitly listed.Each embodiment herein is using progressive Mode describes, and each embodiment focuses on the differences from other embodiments, identical phase between each embodiment Like partially may refer to each other.
In one exemplary embodiment, as shown in Figure 1, laser detection equipment include: emitter 11, reception device 13, Electronic shutter 14, isochronous controller 15 and processor 16.
Emitter 11, for emitting the pulse laser of scanning subject surface to be measured.
Isochronous controller 15, it is synchronous with electronic shutter 14 for controlling pulse laser.
Electronic shutter 14, for controlling and receiving the time for exposure of device 13.
Reception device 13, for receiving reflected light of the pulse laser through object to be measured and imaging.
Processor 16, for obtaining the position of the object to be measured according to imaging.
Optionally, emitter 11 can be laser light source with scanning function itself.
Optionally, as shown in figure 3, emitter 11 can also include light source and scanning means 12, wherein light source emits arteries and veins Impulse light, scanning means 12 reflect or are transmitted through object to be measured for moving when being driven, by the pulse laser of light source transmitting The different location on surface.
Particularly, isochronous controller 15 and processor 16 can according to need setting in place, art technology Personnel are not, it should be understood that the utility model limits the riding position of isochronous controller 15 and processor 16.
As it can be seen that the laser detection equipment in the present exemplary embodiment, on the one hand, scanning subject surface to be measured can be emitted Pulse laser, emitter 11 and object to be measured are not necessarily to move, and reduce the complexity of detection system.On the other hand, synchronous Controller 15 controls that electronic shutter 14 is synchronous with pulse laser and electronic shutter 14 controls and receives time for exposure of device 13, can To reduce influence of noise, the signal noise ratio of detection is promoted, is advantageously implemented farther away detection range.
Optionally, the control of isochronous controller 15 electronic shutter 14 is synchronous with pulse laser, can not be absolute synchronization, specifically , isochronous controller 15 can determine synchronous time window according to the flight time of light beam.
It in one exemplary embodiment, is that Object table to be measured is scanned by pulse laser to the complete detection of object to be measured The different location in face is realized, will be known as primary detection for the scanning of each scan position, is completed using multi-pulse laser each Secondary detection.In this case, emitter 11 may include: to generate sub-device, coding sub-device and transmitting sub-device.
Above-mentioned generation sub-device, for generating the pulse laser of scanning subject surface to be measured.Optionally, above-mentioned generation dress The laser light source that can be itself and there is scanning function is set, can also as mentioned before include light source and scanning means, scanning dress It sets and is moved when being driven, the pulse laser of light source transmitting is reflected or is transmitted through the different location of subject surface to be measured, thus Realize the purpose for generating the pulse laser of scanning subject surface to be measured.
Above-mentioned coding sub-device generates coded excitation signal for repeatedly measuring by pulse laser same target.On State the identification information of coded excitation signal Portable device.Above-mentioned coded excitation signal is light beam, and the identification information of above equipment is used In instruction laser detection equipment.
Above-mentioned transmitting sub-device, for emitting coded excitation signal.
Wherein, coding sub-device can be omitted in some scenes, and emitting sub-device in this case can be used for emitting Pulse laser.
Reception device 13 receives after the reflected light of subject surface to be measured, can be according to identical as above-mentioned coding sub-device Presetting coding mode be decoded, obtain device identifying information therein, if it is determined that the reflected light corresponds to this equipment, then Execute subsequent operation.As it can be seen that being detected every time by multiple-pulse, reception device 13 can be made to distinguish this equipment and set with other It is standby, improve anti-interference ability.
In one exemplary embodiment, the light beam emitted by emitter 11, can have diversified forms, can be one Point or a line are also possible to a plurality of line combination or dot matrix, can also be the other shapes in addition to diagram.
In one exemplary embodiment, if emitter 11 includes light source and scanning means 12, scanning means 12 can be with Be it is reflective, be also possible to transmission-type.Optionally, reflective scanning means 12 can be tilting mirror, galvanometer or MEMS vibration Mirror etc., the scanning means 12 of transmission-type can be electro-optical device, acousto-optical device, liquid crystal device or phased array device etc..
In one exemplary embodiment, if emitter 11 includes light source and scanning means 12, scanning means can have A variety of scanning modes can carry out one-dimensional scanning, in horizontal direction or vertical direction in one direction as shown in Figure 2 a Scanning, can also carry out two bit scans, such as snake scan in two directions as shown in Figure 2 b.
In one exemplary embodiment, if emitter 11 includes light source and scanning means 12, for different applications Scene demand makes scanning means 12 have different angle models by having different motion modes for the setting of scanning means 12 It encloses, sweep spacing and scanning speed, realizes detection angle range, the dynamic change of angular resolution and speed of detection.It is given below Two citings.
On a highway, vehicle driving is very fast, and forward detection is needed to detecting more at a distance, and detection can concentrate Within the scope of the set angle of right ahead, scanning means 12 can carry out non-equiangularly spaced according to setup parameter at this time Non- uniform speed scanning, by scanning be concentrated mainly within the scope of the set angle of right ahead.In business district, vehicle driving compared with Slowly, traffic condition is complicated, and forward detection needs to cover biggish angular range, between scanning means 12 can carry out angularly at this time Every uniform speed scanning.
It, can also be by above-mentioned equiangularly spaced scanning, non-equiangularly spaced scanning, uniform speed scanning under other application scenarios With non-uniform speed scanning with the use of other combinations.
In one exemplary embodiment, reception device 13 includes: narrow-band filtering sub-device and imaging sub-device.
There is above-mentioned narrow-band filtering sub-device the filtering of the wavelength setting of the pulse laser emitted according to emitter 11 to join Number, for being filtered to the reflected light reflected through subject surface to be measured.Optionally, narrow-band filtering sub-device can be 0D3-5 Optical filter.By narrow-band filtering sub-device, it will only allow the wavelength near the pulse laser emitted to pass through, thereby filter out other The environmental background light of wavelength, improves the signal-to-noise ratio of equipment.
Above-mentioned imaging sub-device, for the reflected light after accepting filter and imaging.
In one exemplary embodiment, as shown in figure 3, reception device 13 includes: scanning sub-device and imaging sub-device.
Above-mentioned scanning sub-device, moves when being driven, by the reflected light back reflected through subject surface to be measured or transmission To above-mentioned imaging sub-device.Here scanning sub-device, it is similar with scanning means 12.
Above-mentioned imaging sub-device, for receiving the reflected light through scanning sub-device and imaging.
In reception device 13 setting scanning sub-device, can be improved reception device 13 equivalent pixel number or equivalent resolution Rate.Those skilled in the art can choose whether to need to dispose scanning sub-device according to specifically used environment.
In one exemplary embodiment, shade can be set near reception device 13, which can be The hood being additionally arranged is also possible to the long and narrow space of the installation of reception device 13.Shade can prevent stray light from entering Reception device 13 improves signal-to-noise ratio.
In one exemplary embodiment, for different application scenarios demands, by adjusting the power of light source, that is, pass through tune It haircuts the power of injection device 11, realizes the dynamic adjustment of the reflectivity range of the object to be measured of detection range and covering.
For example, when needing to detect more remote, the power of emitter 11 will for the object to be measured of identical reflectivity Larger, when needing to detect closer distance, the power of emitter 11 will be smaller.In another example for be measured at same distance Object can detect the lower object to be measured of reflectivity when the power of emitter 11 is big, and work as the function of emitter 11 Rate hour can only detect the higher object to be measured of reflectivity.At this point, processor 16 can determine different according to setting condition Application demand, then adjust emitter 11 power.Above-mentioned setting condition can be presetting decision condition, such as Car speed, object-detection result to be measured etc., be also possible to operator is manually entered instruction.
In another example will lead to the decline of the received signal-to-noise ratio of reception device 13 when environmental background light is too strong, so that effectively visiting Ranging is from reduction, when environmental background light is too weak, and will lead to the light energy waste of emitter 11, power consumption is higher.
It may further include ambient light sensor in laser detection equipment, processor 16 can be according to ambient light sensor To the testing result of environment light, the power of emitter 11 is adjusted.
If in laser detection equipment not including the detection device of environment light, processor 16 can also be according to reception device 13 The intensity of received reflected light to obtain the situation of environment light indirectly, then adjusts the power of emitter 11.
Optionally, temperature sensor and temperature control equipment be can further include in laser detection equipment, wherein
Temperature sensor, for obtaining the temperature of emitter 11 and reception device 13.
Temperature control equipment carries out temperature control when the temperature for obtaining when temperature sensor is more than temperature threshold.It can Choosing, temperature threshold may include temperature upper limit threshold value and lowest temperature threshold value, specifically, when temperature is higher than temperature upper limit threshold value When, temperature control equipment is for freezing and reducing temperature, and when temperature is lower than lowest temperature threshold value, temperature control equipment is for adding Heat simultaneously improves temperature.
Processor 16 can adjust time for exposure and the emitter of reception device 13 by control electronic shutter 14 The pulse width of 11 transmittings, to realize the changed power of emitter 11.As shown in figure 4, within each constant pulse period So that emitter 11 emits the pulse laser of different pulse widths, i.e., each pulse period can have different duty ratios.
In one exemplary embodiment, processor 16 can be determined according to the intensity of the received reflected light of reception device 13 The material of object to be measured, such as vehicle driving, barrier and road surface can be distinguished, distinguish pedestrian and trees, identification Road shoulder and identification lane line etc..
In one exemplary embodiment, the information of object to be measured can be the position of object to be measured, optionally, processor 16 The position of object to be measured is obtained, specifically:
As shown in figure 5, establishing device coordinate system o-xyz, coordinate system o-xyz can be the coordinate system for meeting the right-hand rule, For the characteristic point of subject surface to be measured, the image coordinate formed by reception device 13 is obtained:
Wherein, H1For the vertical range of 13 central point O of reception device to scanning means 12;H2It is filled for platform basal plane to reception Set the vertical range of 13 central point O;F is the focal length for the imaging system that reception device 13 includes;α, β are respectively imaging system level With the Pixel Dimensions of vertical two axis direction;θ is projection laser and imaging optical axis angle;δ=OC is that scanning means 12 deviates reception The distance of 13 central point O of device;φ is the drift angle of imaging optical axis and platform basal plane;Δ=DD '=n β is that reception device 13 includes Imaging CCD vertical axial object point position, can by the methods of image procossing resolve and be determined by imaging geometry;ω= AF=m α is the imaging CCD horizontal axis object point position that reception device 13 includes, and can be determined by imaging geometry.
It optionally, can be with platform basal plane coordinate system O-XYZ, as shown in fig. 6, wherein coordinate system o-xyz is by coordinate system O-XYZ rotates ψ counterclockwise around X-axis and obtains along Y-axis translation H2, and by coordinate conversion relation, available obstacle object point is being sat Coordinate value in mark system O-XYZ is as follows:
Optionally, the light beam that emitter 11 emits can be radiated on certain objects that can be penetrated, such as leaf, glass Wall or the transparent object to be measured of other parts, generate multiecho signal, and receive multiple reflections light by reception device 13, and Generate multiple imaging results, the intensity of reflected light as shown in fig. 7, in this case,
Reception device 13 can be also used for receiving reflected light of multiple pulse lasers through subject surface to be measured and imaging;
Processor 16 can be also used for the information that object to be measured is obtained according to multiple imagings.
Specifically, processor 16 can obtain to be surveyed for the first time after reception device 13 receives first reflection light and is imaged Measure result;After reception device 13 receives second of reflected light and is imaged, processor 16 can obtain second of measurement result;Directly It is measured to last time is completed.
It in one exemplary embodiment, can be by the utility model as shown in figure 8, disclosing a kind of laser acquisition method Disclosed laser detection equipment or similar other equipment execute, in which:
The pulse laser of S201, transmitting scanning subject surface to be measured;
S202, reflected light of the pulse laser through subject surface to be measured and imaging are received, received same with the transmitting of pulse laser Step;
S203, according to imaging, obtain the information of object to be measured.
Complete detection to object to be measured can scan the different location realization of subject surface to be measured by pulse laser, It will be known as primary detection for the scanning of each scan position, detected each time using multi-pulse laser completion.
Optionally, may include: in S201
S2011, the pulse laser for generating scanning subject surface to be measured;
S2012, generation coded excitation signal is repeatedly measured by pulse laser same target;Coded excitation signal carries The identification information of corresponding device;
S2013, transmitting coded excitation signal.
Wherein, the identification information of equipment can be equipment mark code off permanently or temporarily, can for hardware encoding or Software Coding etc., is mutually distinguishable for this equipment and other equipment, reduces or eliminates the interference of equipment room.
Further alternative, in the case where not executing S2012, S2013 may be transmitting multi-pulse laser.At this point, Multi-pulse laser can not carry any information.
Optionally, S201 may include:
S2011, emission pulse laser;
S2012, according to setting scanning mode, pulse laser is reflected or is transmitted through the different location of subject surface to be measured.
Optionally, S2012 may include:
S2041, the different location that pulse laser is reflected or is projected to along one-dimensional square subject surface to be measured;
Alternatively, pulse laser is reflected or is projected to along two-dimensional directional the different location of subject surface to be measured.
Optionally, S2012 may include:
S2042, according to setup parameter, by pulse laser by it is non-equiangularly spaced and it is non-at the uniform velocity in a manner of, reflection or transmission To the different location of subject surface to be measured.
Wherein, S2041 and S2042 can coexist, and the utility model does not limit the sequence that executes of these steps, ability Field technique personnel can flexible configuration in the specific implementation process.
Optionally, S202 may include:
The filtering parameter that S2021, basis are arranged by the wavelength of pulse laser, to pulse laser through the anti-of subject surface to be measured Light is penetrated to be filtered;
S2022, it is imaged according to filtered reflected light.
Optionally, S202 may include:
S2023, according to setting scanning mode, to pulse laser through the reflected light of subject surface to be measured carry out reflection or thoroughly It penetrates;
S2024, it is imaged according to the reflected light after reflection or transmission.
Wherein, S2021 and S2023 can coexist, and the utility model does not limit the sequence that executes of these steps, ability Field technique personnel can flexible configuration in the specific implementation process.
Optionally, in one exemplary embodiment, can also include:
S205, according to impose a condition, the intensity of environment light detection result or reflected light, adjust the transmitting light source of pulse laser Power.
Wherein, further alternative, S205 may include:
S2051, the transmitting light source for controlling pulse laser, emit different pulse widths within each constant pulse period Pulse laser.
Optionally, in one exemplary embodiment, can also include:
S206, according to impose a condition, environment temperature testing result, adjust pulse laser transmitting light source power.
Wherein, further alternative, S206 may include:
S2061, the transmitting light source for controlling pulse laser, emit different pulse widths within each constant pulse period Pulse laser.
Optionally, in method disclosed by the utility model, the information of object to be measured can be the material of object to be measured;
Specifically, S203 may include:
S2031, according to transmitting light intensity, determine the material of object to be measured.
In embodiment disclosed by the utility model, the information of object to be measured can be the position of object to be measured;
According to imaging, the information of object to be measured is obtained, comprising:
For the characteristic point of subject surface to be measured, the imager coordinate in o-xyz coordinate system is obtained:
Wherein, H1For the vertical range of 13 central point O of reception device to scanning means 12;H2It is filled for platform basal plane to reception Set the vertical range of 13 central point O;F is the focal length for the imaging system that reception device 13 includes;α, β are respectively imaging system level With the Pixel Dimensions of vertical two axis direction;θ is projection laser and imaging optical axis angle;δ=OC is that scanning means 12 deviates reception The distance of 13 central point O of device;φ is the drift angle of imaging optical axis and platform basal plane;Δ=DD '=n β is that reception device 13 includes Imaging CCD vertical axial object point position, can by the methods of image procossing resolve and be determined by imaging geometry;ω= AF=m α is the imaging CCD horizontal axis object point position that reception device 13 includes, and can be determined by imaging geometry.
Correspondingly, the coordinate value in O-XYZ coordinate system are as follows:
Wherein, coordinate system o-xyz is to rotate ψ counterclockwise around X-axis by coordinate system O-XYZ and obtain along Y-axis translation H2.
Optionally, when light beam can be radiated on certain objects that can be penetrated, as leaf, glass wall or other parts are saturating Bright object to be measured, when generating multiecho signal, S202 and S203 may include:
S2025, multiple reflected lights of the pulse laser through subject surface to be measured and imaging are received, receives the hair with pulse laser Penetrate synchronization;
S2032, according to multiple imagings, obtain the information of object to be measured.
It should be understood that the utility model is not limited to the process and knot for being described above and being shown in the accompanying drawings Structure, and various modifications and changes may be made without departing from the scope thereof.The scope of the utility model is only wanted by appended right It asks to limit.

Claims (16)

1. a kind of laser detection equipment, which is characterized in that the equipment includes: emitter, reception device, electronic shutter, same Walk controller and processor;
The emitter, for emitting the pulse laser of scanning subject surface to be measured;
The isochronous controller, it is synchronous with the electronic shutter for controlling the pulse laser;
The electronic shutter, for controlling the time for exposure of the reception device;
The reception device, for receiving reflected light of the pulse laser through the subject surface to be measured and imaging;
The processor, for obtaining the information of the object to be measured according to the imaging.
2. equipment as described in claim 1, which is characterized in that the emitter includes: light source and scanning means;
The light source is used for emission pulse laser;
The scanning means is moved when being driven, and the pulse laser is reflected or is transmitted through the difference of subject surface to be measured Position.
3. equipment as claimed in claim 2, which is characterized in that the scanning means, by the pulse laser along one-dimensional square Reflect or be transmitted through the different location of the subject surface to be measured;Alternatively, by the pulse laser along two-dimensional directional reflection or thoroughly It is incident upon the different location of the subject surface to be measured.
4. equipment as claimed in claim 2, which is characterized in that the scanning means is when being driven, according to setup parameter, into The non-equiangularly spaced non-uniform rotation of row.
5. equipment as described in claim 1, which is characterized in that the emitter further include: generate sub-device, coding dress Set and emit sub-device;
The generation sub-device, for generating the pulse laser of scanning subject surface to be measured;
The coding sub-device generates coded excitation signal for repeatedly measuring by the pulse laser same target;Institute State the identification information that coded excitation signal carries the equipment;
The transmitting sub-device, for emitting the coded excitation signal.
6. equipment as described in claim 1, which is characterized in that the processor controls the emitter each constant The pulse laser of the different pulse widths of transmitting in pulse period.
7. equipment as described in claim 1, which is characterized in that the reception device includes: narrow-band filtering sub-device and imaging Sub-device;
The narrow-band filtering sub-device has the filtering parameter being arranged according to the wavelength of the pulse laser, for described anti- Light is penetrated to be filtered;
The imaging sub-device for the reflected light after accepting filter and is imaged.
8. equipment as described in claim 1, which is characterized in that the reception device includes: scanning sub-device and imaging son dress It sets;
The scanning sub-device, moves when being driven, and by the reflected light back or is transmitted through the imaging sub-device;
The imaging sub-device, for receiving the reflected light through the scanning sub-device and being imaged.
9. equipment as described in claim 1, which is characterized in that the processor adjusts the transmitting dress according to setting condition The power set.
10. equipment as described in claim 1, which is characterized in that the equipment further include: ambient light sensor;
The processor is also used to the testing result according to the ambient light sensor, adjusts the power of the emitter.
11. equipment as described in claim 1, which is characterized in that the processor is also used to be received according to the reception device The reflected light intensity, adjust the power of the emitter.
12. equipment as described in claim 1, which is characterized in that the equipment further include: temperature sensor and temperature control dress It sets;
The temperature sensor, for obtaining the temperature of the emitter and the reception device;
The temperature control equipment carries out temperature control when the temperature for obtaining in the temperature sensor is more than temperature threshold System.
13. equipment as described in claim 1, which is characterized in that the information of the object to be measured is the position of the object to be measured It sets;
The processor is directed to the characteristic point of the subject surface to be measured, obtains the image coordinate formed by the reception device:
Wherein,
14. equipment as described in claim 1, which is characterized in that the information of the object to be measured is the material of the object to be measured Material;
The processor determines the material of the object to be measured according to the intensity of the reflected light.
15. equipment as described in claim 1, which is characterized in that the equipment further include: near the reception device Shade.
16. equipment as described in claim 1, it is characterised in that:
The reception device is also used to receive multiple reflected lights of the pulse laser through the subject surface to be measured and imaging;
The processor, for obtaining the information of the object to be measured according to multiple imagings.
CN201820800716.3U 2018-05-25 2018-05-25 Laser detection equipment Active CN208350999U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108508453A (en) * 2018-05-25 2018-09-07 洛伦兹(北京)科技有限公司 Laser detection equipment and method
CN110702033A (en) * 2019-10-18 2020-01-17 北京工业大学 Three-dimensional scanner based on nanosecond pulse line laser source

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108508453A (en) * 2018-05-25 2018-09-07 洛伦兹(北京)科技有限公司 Laser detection equipment and method
CN110702033A (en) * 2019-10-18 2020-01-17 北京工业大学 Three-dimensional scanner based on nanosecond pulse line laser source

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