CN109738880A - A kind of laser radar system and laser ranging system - Google Patents
A kind of laser radar system and laser ranging system Download PDFInfo
- Publication number
- CN109738880A CN109738880A CN201910232816.XA CN201910232816A CN109738880A CN 109738880 A CN109738880 A CN 109738880A CN 201910232816 A CN201910232816 A CN 201910232816A CN 109738880 A CN109738880 A CN 109738880A
- Authority
- CN
- China
- Prior art keywords
- laser
- reflecting prism
- light beam
- laser light
- radar system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims abstract description 10
- 239000013307 optical fiber Substances 0.000 claims description 27
- 230000003287 optical effect Effects 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 10
- 230000011664 signaling Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 206010052128 Glare Diseases 0.000 description 3
- 230000004313 glare Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000005622 photoelectricity Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Abstract
The invention discloses a kind of laser radar system and laser ranging systems.The laser radar system includes: laser emitting module, for being generated and transmitted by first laser light beam；Reflecting prism group, including the first reflecting prism and the second reflecting prism being oppositely arranged；First reflecting prism is for receiving and reflecting first laser light beam to target object；Second reflecting prism is for receiving simultaneously reflected second laser light beam；Rotary module for carrying reflecting prism group, and drives reflecting prism group to rotate along Pivot axle；Photoelectric detection module generates detectable signal for receiving the second laser light beam after the reflection of the second reflecting prism, and according to second laser light beam.Laser radar system provided in an embodiment of the present invention can solve the big problem of the power consumption generated during rotary laser transmitting module, and the problem that the data transmission generated during rotary photoelectric detecting module is limited.
Description
Technical field
The present embodiments relate to laser radar technique field more particularly to a kind of laser radar systems and laser ranging to fill
It sets.
Background technique
Laser ranging system can use laser and carry out Accurate Determining to the distance of target, compared with electro-optical distance measurement device,
Laser ranging system has many advantages, such as that light-weight, small in size, easy to operate and speed is fast and accurate, has obtained widely answering
With.
In the prior art, in order to improve the measurement angle of laser ranging system, 360 degree measurements are realized, often needs pass through rotation
Turn the radar in laser ranging system.Currently, common laser radar includes that mechanical outer rotary radar or interior rotation are hybrid
Radar；Wherein, the interior hybrid radar of rotation can be while rotating the structure of transmitting module and receiving module, be also possible to emit
The structure of the motionless only Rotation of receiver module of module.Also, the radar of both structures require using wirelessly conduct electricity module come for
Powered rotation, and utilize wireless communication module transfer information.
But there is power consumption height and the low efficiency that conducts electricity in the module that wirelessly conducts electricity, be easy to cause the waste of energy；And nothing
The bandwidth that line passes signaling module is limited, it is difficult to meet the needs of mass data transmission；This serious system limits laser ranging system
Application range.
Summary of the invention
The present invention provides a kind of laser radar system and laser ranging system, can solve in rotary laser transmitting module
The big problem of the power consumption generated in the process, and the data transmission that generates during rotary photoelectric detecting module are limited
Problem.
In a first aspect, the embodiment of the invention provides a kind of laser radar systems, comprising:
Laser emitting module, for being generated and transmitted by first laser light beam；
Reflecting prism group, including the first reflecting prism and the second reflecting prism being oppositely arranged；Wherein, first reflection
The first laser light beam is reflexed to target object for receiving the first laser light beam by prism；Second reflection
Prism is for receiving simultaneously reflected second laser light beam；Wherein, the second laser light beam refers to, the first laser light beam is by institute
Light beam is formed by after stating target object reflection；
Rotary module for carrying the reflecting prism group, and drives the reflecting prism group to rotate along Pivot axle；
Wherein, the extending direction of the Pivot axle is parallel with the direction that the reflecting prism group is directed toward the rotary module；
Photoelectric detection module, for receiving the second reflection laser light beam after second reflecting prism reflection, and root
Detectable signal is generated according to the second reflection laser light beam.
Further, first reflecting prism includes the first right-angle reflecting prism；Second reflecting prism includes the
Two right-angle reflecting prisms.
Further, first right-angle reflecting prism includes column structure, and second right-angle reflecting prism includes column
Body structure；
The center of the extending direction of the central axis of first right-angle reflecting prism and second right-angle reflecting prism
The extending direction of axis is located on the same line.
Further, the rotary module includes liftable rotary module.
Further, the laser radar system further includes reflecting mirror；
The reflecting mirror is located at the light emission side of the laser emitting module, for the first laser light beam to be reflexed to institute
State the first reflecting prism.
Further, the laser emitting module includes optical fiber laser, optical fiber and collimator, the optical fiber respectively with institute
Optical fiber laser is stated to connect with the collimator；
The optical fiber laser is for being generated and transmitted by first laser light beam；
The optical fiber is used for transmission the first laser light beam；
The collimator is for collimating the first laser light beam.
Further, the photoelectric detection module includes receiving camera lens and photodetector；
The reception camera lens is for receiving and assembling the second laser light beam；
The photodetector is located at the light emission side for receiving camera lens, for receiving the second laser light beam after assembling,
And the optical signal that the second laser light beam carries is converted into the detectable signal.
Further, upright projection of second reflecting prism on the receiving plane for receiving camera lens is located at described connect
In receipts face.
Further, the photoelectric detection module further includes optical filter；
The reception camera lens, the optical filter and the photodetector are successively arranged along optical path；The optical filter is used for
Through the light of preset wavelength.
Second aspect, the embodiment of the invention also provides any one of a kind of laser ranging systems, including above-mentioned first aspect
The laser radar system.
Laser radar system provided in an embodiment of the present invention, including laser emitting module, reflecting prism group module, rotating mould
Block and photoelectric detection module, by driving reflecting prism group to rotate using rotary module, without module and the nothing of wirelessly conducting electricity
Line, which passes signaling module, can be realized 360 degree of detections, can solve the power consumption generated during rotary laser transmitting module
Big problem, and solve the problems, such as that the data generated during rotary photoelectric detecting module transmission is restricted.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of laser radar system provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another laser radar system provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Fig. 1 is the structural schematic diagram of laser radar system provided in an embodiment of the present invention.Specifically, referring to FIG. 1, this swashs
Optical detection and ranging system includes: laser emitting module 11, for being generated and transmitted by first laser light beam 201；Reflecting prism group 12, including
The first reflecting prism 121 and the second reflecting prism 122 being oppositely arranged；Wherein, the first reflecting prism 121 swashs for receiving first
Light light beam 201, and first laser light beam 201 is reflexed into target object；Second reflecting prism 122 is for receiving and reflecting second
Laser beam 202；Wherein, second laser light beam 202 refers to, first laser light beam 201 is formed by after being reflected by target object
Light beam；Rotary module 13 for carrying reflecting prism group 12, and drives reflecting prism group 12 to rotate along Pivot axle；Wherein,
The extending direction of Pivot axle is parallel with the direction direction X of rotary module 13 of reflecting prism group 12；Photoelectric detection module 14 is used
In second laser light beam 202 of the reception after the reflection of the second reflecting prism 122, and is generated and detected according to second laser light beam 202
Signal.
Specifically, first laser light beam 201 is emitted by laser emitting module 11, after the reflection of the first reflecting prism 121, to
Target object outgoing can be reflected after first laser light beam 201 reaches target object by target object.Laser after being reflected
Light beam is referred to as second laser light beam 202, and second laser light beam 202 can reach the second reflecting prism 122, and by the second reflection
Prism 122 reflexes to photoelectric detection module 14, and photoelectric detection module 14 can be generated according to the second laser light beam 202 received
Detectable signal.Illustratively, when laser radar system provided in this embodiment is used for laser ranging, it is often necessary to which detection is different
The target object in direction.By rotating the first reflecting prism 121, first laser light beam 201 can be made to be emitted to different directions；
Meanwhile by the second reflecting prism of synchronous rotary 122, it can receive and guarantee that the second reflecting prism 122 is received from different directions
Second laser light beam 202, and second laser light beam 202 is reflexed into photoelectric detection module 14.By the way that rotating mould is rationally arranged
Block 14 may be implemented reflecting prism group 12 and be rotated at any angle within the scope of 360 degree, and then 360 degree of inspections may be implemented
It surveys.
It should be noted that the module that needs wirelessly to conduct electricity is Laser emission during rotary laser transmitting module 11
Module 11 wirelessly conducts electricity；During rotary photoelectric detecting module 14, needs wirelessly to pass signaling module and carry out data transmission.By
Realize therefore 360 degree rotation and detection were both not required to by rotary reflection prism group in laser radar system provided in this embodiment
Rotary laser transmitting module 11 is wanted, without rotary photoelectric detecting module 14.Therefore, laser radar system provided in this embodiment
System, the wireless module that conducts electricity that both no setting is required pass signaling module without setting is wireless.Therefore, it is possible to avoid the module that wirelessly conducts electricity
The problem of power consumption is high, the low efficiency that conducts electricity, also can solve when transmit data, especially mass data when, data are transmitted need to be by nothing
Line passes the limitation of the bandwidth of signaling module.In addition, comparing laser emitting module 11 and photoelectric detection module 14, reflecting prism group 12
Mainly including the first reflecting prism 121 and the second reflecting prism 122, therefore, power required for rotary reflection prism group 12, far
Less than power required for rotary laser transmitting module 11 or photoelectric detection module 14.
Laser radar system provided in this embodiment, including laser emitting module, reflecting prism group module, rotary module and
Photoelectric detection module is passed by driving reflecting prism group to rotate using rotary module without module is wirelessly conducted electricity with wireless
360 degree of detections can be realized in signaling module, and it is big to can solve the power consumption that generates during rotary laser transmitting module
Problem, and solve the problems, such as that the data generated during rotary photoelectric detecting module transmission is restricted.
Optionally, the first reflecting prism 121 includes the first right-angle reflecting prism；Second reflecting prism 122 includes second straight
Corner reflection prism.
Specifically, the first right-angle reflecting prism is the right-angle prism with 45 degree of angles, when light beam is incident to first with 45 degree
When the reflecting surface of right-angle reflecting prism, emergent ray is emitted from the first right-angle reflecting prism in the direction of 45 degree of angles.Cause
This, vertical incident light beam can be emitted in the horizontal direction after the first right-angle reflecting prism, thus can reduce optics
The difficulty of debugging.Similarly, the second right-angle reflecting prism also has similar beneficial effect, is not repeating.In addition, according to existing
The preparation of optical device is horizontal, can prepare 45 degree of angles of the very high right-angle prism of precision.
Optionally, the first right-angle reflecting prism includes column structure, and the second right-angle reflecting prism includes column structure；First
The central axis of right-angle reflecting prism and the central axis of the second right-angle reflecting prism are located on the same line.
Specifically, when the first right-angle reflecting prism and the second right-angle reflecting prism stack placement along the vertical direction, if
The central axis of first right-angle reflecting prism and the central axis of the second right-angle reflecting prism are located along the same line, anti-at two
When penetrating prism and rotating along the vertical direction, it can accomplish equalising torque almost.At this point, rotary module 13 can be with the smallest
Energy drives the first right-angle reflecting prism and the rotation of the second right-angle reflecting prism.
Optionally, rotary module 13 includes liftable rotary module.
Specifically, liftable rotary module is gone up and down along the direction perpendicular to ground, and reflecting prism group 12 can be driven to exist
It is gone up and down along the direction perpendicular to ground, and then laser radar system provided in this embodiment is made to can be used for detecting different height
Target object.It should be noted that the present embodiment is specific to rotary module 13 in the case where meeting lifting reflecting prism group
Structure is not limited.
Fig. 2 is the structural schematic diagram of another laser radar system provided in an embodiment of the present invention.Specifically, Fig. 1 is please referred to
And Fig. 2, laser radar system provided in this embodiment further include reflecting mirror 15；Reflecting mirror 15 is located at going out for laser emitting module 11
Light side, for first laser light beam 201 to be reflexed to the first reflecting prism 121.
Specifically, reflecting mirror 15 can change the direction of propagation of light, when designing laser radar system, can send out in laser
The light emission side setting reflecting mirror 15 for penetrating module 11 can make laser thunder using the path of reflector alignment first laser light beam 201
Topology layout up to system is more scientific and reasonable.1 reflecting mirror 15 is illustratively given in Fig. 2, it should be appreciated that, this is only
It is only a kind of embodiment, should not be construed the limitation to the quantity of reflecting mirror.
Optionally, laser emitting module 11 includes optical fiber laser 111, optical fiber 112 and collimator 113, and optical fiber 112 is distinguished
It is connect with optical fiber laser 111 and collimator 113；Optical fiber laser 111 is for being generated and transmitted by first laser light beam 201；Light
Fibre 112 is used for transmission first laser light beam 201；Collimator 113 is for collimating first laser light beam 201.
It should be noted that generally requiring to pass through optical fiber if optical fiber laser 111 is located at the lower section of reflecting prism group 12
112 and reflecting mirror 15, the first laser light beam 201 that optical fiber laser 111 can just generated is incident to reflecting prism group 12.This
When, optical fiber 112 is located in the light optical path out of the first reflecting prism 121, can stop first laser light beam 201 to a certain extent.
But in fact, the diameter very little of optical fiber 112, therefore, optical fiber 112 is relatively small to the barrier effect of light beam.Therefore, it compares
In 360 degree of investigative range, optical fiber 112 stops very little to caused by first laser light beam 201, blocks range to detection angle
Very little can almost be ignored.Similarly, light 112 also can almost ignore the blocking of second laser light beam also very little.Therefore,
The detection within the scope of 360 degree may be implemented in laser radar system provided in this embodiment.
Specifically, optical fiber laser 111 is at low cost, threshold value is low, energy conversion efficiency is high, output wavelength adjustability is strong
The advantages that, it is excellent laser device, can be widely applied to the fields such as laser ranging.Illustratively, in the present embodiment, optical fiber
Laser 111 can select the high power nanosecond pulse laser of infrared band；When being applied to laser ranging, the laser
Target object within the scope of 500 meters can accurately be detected.The laser beam that light laser 111 generates is through optical fiber 112
After can be transmitted to collimator 113, collimator 113 can collimate light beam, to obtain the stronger first laser of collimation
Light beam 201.
Optionally, photoelectric detection module 14 includes receiving camera lens 141 and photodetector 142；Camera lens 141 is received for connecing
It receives and assembles second laser light beam 202；Photodetector 142 is located at the light emission side for receiving camera lens 141, after receiving convergence
Second laser light beam 202, and the optical signal that second laser light beam 202 carries is converted into detectable signal.
Specifically, convergence processing can be carried out to second laser light beam 202 by receiving camera lens 141, can will be in larger range
Second laser light beam 202 can gather, concentrate the energy of second laser light beam 202 more.Photodetector 142 is according to meeting
Second laser light beam 202, can produce stronger detectable signal after poly-.Illustratively, when laser radar provided in this embodiment
System be used for laser ranging when, second laser light beam 202 be it is reflected by target object, therefore, second laser light beam 202
Intensity it is relatively weak, using receive camera lens 141 converging action, the sensitivity of laser radar system can be enhanced.
Optionally, upright projection of second reflecting prism 122 on the receiving plane for receiving camera lens 141 is located in receiving plane.
Specifically, upright projection of second reflecting prism 122 on the receiving plane for receiving camera lens 141 is located in receiving plane,
Mean that the area for receiving the receiving plane of camera lens 141 is larger, it is ensured that the second laser light reflected by the second reflecting prism 122
Beam 202 all reaches the receiving surface for receiving camera lens 141 as much as possible, and then the detection that photoelectric detection module 14 can be improved is sensitive
Degree.In addition, second swashs when upright projection of second reflecting prism 122 on the receiving plane for receiving camera lens 141 is located at receiving plane
After light light beam 202 is reflected by the second reflecting prism 122, the reflection of other reflecting mirrors is needed not move through, so that it may directly arrival photoelectricity
Detector 142, it is possible to reduce energy loss of the second laser light beam 202 in transmission process.
Optionally, photoelectric detection module 14 further includes optical filter 143；Receive camera lens 141, optical filter 143 and photodetection
Device 142 is successively arranged along optical path；Optical filter 143 is used for the light through preset wavelength.
Specifically, the light beam for reaching the second reflecting prism 122, not only has the reflected beams from target object, also may be used
It can include that other veiling glares can generate interference signal, influence the accuracy of detectable signal after veiling glare reaches photodetector 142.Cause
This, by the way that optical filter 143 is arranged, the property of can choose penetrates the light equal with 202 wavelength of second laser light beam, reduces other wavelength
Interference of the veiling glare to detection result.Therefore, the signal-to-noise ratio of laser radar system can be improved in optical filter, increases laser radar system
Detection range of the system under strong light.It is understood that laser emitting module 10 issue laser after target object reflects,
Its wavelength is basically unchanged, and therefore, can be filtered according to the wavelength selection for the first laser light beam 201 that laser emitting module 10 emits
Piece 10.
Based on the same inventive concept, the present embodiment additionally provides a kind of laser ranging system, which includes
Laser radar system described in any embodiment please refers to described in any embodiment not in the part of the present embodiment detailed description
Laser radar system.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of laser radar system characterized by comprising
Laser emitting module, for being generated and transmitted by first laser light beam；
Reflecting prism group, including the first reflecting prism and the second reflecting prism being oppositely arranged；Wherein, first reflecting prism
Target object is reflexed to for receiving the first laser light beam, and by the first laser light beam；Second reflecting prism
For receiving simultaneously reflected second laser light beam；Wherein, the second laser light beam refers to, the first laser light beam is by the mesh
Light beam is formed by after mark object reflection；
Rotary module for carrying the reflecting prism group, and drives the reflecting prism group to rotate along Pivot axle；Its
In, the extending direction of the Pivot axle is parallel with the direction that the reflecting prism group is directed toward the rotary module；
Photoelectric detection module, for receiving the second laser light beam after second reflecting prism reflection, and according to described the
Dual-laser light beam generates detectable signal.
2. laser radar system according to claim 1, which is characterized in that first reflecting prism includes the first right angle
Reflecting prism；Second reflecting prism includes the second right-angle reflecting prism.
3. laser radar system according to claim 2, which is characterized in that first right-angle reflecting prism includes cylinder
Structure, second right-angle reflecting prism includes column structure；
The central axis of first right-angle reflecting prism and the central axis of second right-angle reflecting prism are located at same
On straight line.
4. laser radar system according to claim 1, which is characterized in that the rotary module includes liftable rotating mould
Block.
5. laser radar system according to claim 1, which is characterized in that the laser radar system further includes reflection
Mirror；
The reflecting mirror is located at the light emission side of the laser emitting module, for the first laser light beam to be reflexed to described
One reflecting prism.
6. laser radar system according to claim 1, which is characterized in that the laser emitting module includes optical-fiber laser
Device, optical fiber and collimator, the optical fiber are connect with the optical fiber laser and the collimator respectively；
The optical fiber laser is for being generated and transmitted by first laser light beam；
The optical fiber is used for transmission the first laser light beam；
The collimator is for collimating the first laser light beam.
7. laser radar system according to claim 1, which is characterized in that the photoelectric detection module includes receiving camera lens
And photodetector；
The reception camera lens is for receiving and assembling the second laser light beam；
The photodetector is located at the light emission side for receiving camera lens, for receiving the second laser light beam after assembling, and will
The optical signal that the second laser light beam carries is converted into the detectable signal.
8. laser radar system according to claim 7, which is characterized in that second reflecting prism is in the reception mirror
Upright projection on the receiving plane of head is located in the receiving plane.
9. laser radar system according to claim 1, which is characterized in that the photoelectric detection module further includes filtering
Piece；
The reception camera lens, the optical filter and the photodetector are successively arranged along optical path；The optical filter is for penetrating
The light of preset wavelength.
10. a kind of laser ranging system, which is characterized in that including the described in any item laser radar systems of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910232816.XA CN109738880A (en) | 2019-03-26 | 2019-03-26 | A kind of laser radar system and laser ranging system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910232816.XA CN109738880A (en) | 2019-03-26 | 2019-03-26 | A kind of laser radar system and laser ranging system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109738880A true CN109738880A (en) | 2019-05-10 |
Family
ID=66371374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910232816.XA Pending CN109738880A (en) | 2019-03-26 | 2019-03-26 | A kind of laser radar system and laser ranging system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109738880A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110333512A (en) * | 2019-06-27 | 2019-10-15 | 江苏维航精仪科技有限公司 | A kind of laser radar system and laser ranging system |
| CN110531371A (en) * | 2019-09-27 | 2019-12-03 | 无锡流深光电科技有限公司 | A kind of laser radar and laser distance measurement method |
| CN112098972A (en) * | 2019-06-17 | 2020-12-18 | 宁波舜宇车载光学技术有限公司 | Laser radar system and different light path scanning device thereof |
| CN112711031A (en) * | 2019-07-08 | 2021-04-27 | 中国科学院合肥物质科学研究院 | Improved quasi-non-blind-area Doppler coherent laser radar wind speed measurement system and method |
| CN112946666A (en) * | 2021-01-28 | 2021-06-11 | 深圳市镭神智能系统有限公司 | Laser radar system |
| WO2021197403A1 (en) * | 2020-04-03 | 2021-10-07 | 深圳煜炜光学科技有限公司 | Lidar for long-distance detection and detection method therefor |
| CN113484850A (en) * | 2021-07-31 | 2021-10-08 | 武夷科技信息(北京)有限公司 | Three-dimensional laser radar |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003019226A2 (en) * | 2001-08-23 | 2003-03-06 | Automotive Distance Control Systems Gmbh | Device for scanning surroundings |
| US20110235018A1 (en) * | 2010-03-25 | 2011-09-29 | Hokuyo Automatic Co., Ltd. | Scanning-type distance measuring apparatus |
| CN103163510A (en) * | 2013-02-27 | 2013-06-19 | 浙江吉利汽车研究院有限公司杭州分公司 | Static target car of pre-crash security system |
| CN107390200A (en) * | 2017-08-01 | 2017-11-24 | 宁波傲视智绘光电科技有限公司 | A kind of mechanical scanning type laser radar mechanical-optical setup and detection method |
| CN108445469A (en) * | 2018-05-11 | 2018-08-24 | 天津大学 | A kind of rotating mirror scanning device and method of multi-line laser radar |
| CN210243829U (en) * | 2019-03-26 | 2020-04-03 | 深圳市镭神智能系统有限公司 | Laser radar system and laser ranging device |
-
2019
- 2019-03-26 CN CN201910232816.XA patent/CN109738880A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003019226A2 (en) * | 2001-08-23 | 2003-03-06 | Automotive Distance Control Systems Gmbh | Device for scanning surroundings |
| US20110235018A1 (en) * | 2010-03-25 | 2011-09-29 | Hokuyo Automatic Co., Ltd. | Scanning-type distance measuring apparatus |
| CN103163510A (en) * | 2013-02-27 | 2013-06-19 | 浙江吉利汽车研究院有限公司杭州分公司 | Static target car of pre-crash security system |
| CN107390200A (en) * | 2017-08-01 | 2017-11-24 | 宁波傲视智绘光电科技有限公司 | A kind of mechanical scanning type laser radar mechanical-optical setup and detection method |
| CN108445469A (en) * | 2018-05-11 | 2018-08-24 | 天津大学 | A kind of rotating mirror scanning device and method of multi-line laser radar |
| CN210243829U (en) * | 2019-03-26 | 2020-04-03 | 深圳市镭神智能系统有限公司 | Laser radar system and laser ranging device |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112098972A (en) * | 2019-06-17 | 2020-12-18 | 宁波舜宇车载光学技术有限公司 | Laser radar system and different light path scanning device thereof |
| CN110333512A (en) * | 2019-06-27 | 2019-10-15 | 江苏维航精仪科技有限公司 | A kind of laser radar system and laser ranging system |
| CN112711031A (en) * | 2019-07-08 | 2021-04-27 | 中国科学院合肥物质科学研究院 | Improved quasi-non-blind-area Doppler coherent laser radar wind speed measurement system and method |
| CN112711031B (en) * | 2019-07-08 | 2023-10-10 | 中国科学院合肥物质科学研究院 | Improved quasi-blind area-free Doppler coherent laser radar wind speed measurement system and method |
| CN110531371A (en) * | 2019-09-27 | 2019-12-03 | 无锡流深光电科技有限公司 | A kind of laser radar and laser distance measurement method |
| WO2021197403A1 (en) * | 2020-04-03 | 2021-10-07 | 深圳煜炜光学科技有限公司 | Lidar for long-distance detection and detection method therefor |
| CN112946666A (en) * | 2021-01-28 | 2021-06-11 | 深圳市镭神智能系统有限公司 | Laser radar system |
| CN113484850A (en) * | 2021-07-31 | 2021-10-08 | 武夷科技信息(北京)有限公司 | Three-dimensional laser radar |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109738880A (en) | A kind of laser radar system and laser ranging system | |
| WO2021175141A1 (en) | Prism and multi-layer laser radar | |
| WO2020143542A1 (en) | Laser radar | |
| US20190257924A1 (en) | Receive path for lidar system | |
| CN204044359U (en) | A kind of two-dimensional scan formula laser ranging system | |
| KR102235710B1 (en) | Scanning lidar having optical structures with transmission receiving single lens | |
| CN108646232A (en) | A kind of the correction system and laser radar range device of laser radar | |
| CN108445467A (en) | A kind of scanning laser radar system | |
| CN210142187U (en) | Distance detection device | |
| WO2017183530A1 (en) | Object detection device | |
| US20210041560A1 (en) | Distance detection apparatuses | |
| KR20200102900A (en) | Lidar device | |
| WO2021143665A1 (en) | Prism and multi-line lidar | |
| GB2557265A9 (en) | Lidar apparatus and method | |
| CN109444850A (en) | Phased-array laser radar | |
| WO2020142870A1 (en) | Distance measurement device | |
| CN211718520U (en) | Multi-line laser radar | |
| CN212008925U (en) | Multi-line laser radar | |
| CN109239693A (en) | Receive and dispatch road scanning laser radar altogether | |
| CN108710135A (en) | A kind of video mosaic system configuring big visual field laser three-D detection for different axis | |
| US10473923B2 (en) | Focal region optical elements for high-performance optical scanners | |
| CN210243829U (en) | Laser radar system and laser ranging device | |
| CN209590262U (en) | Phased-array laser radar | |
| CN212275968U (en) | Laser radar system | |
| CN211554313U (en) | Multi-line laser radar |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |