CN206920600U - A kind of laser radar optical system - Google Patents
A kind of laser radar optical system Download PDFInfo
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- CN206920600U CN206920600U CN201720946679.2U CN201720946679U CN206920600U CN 206920600 U CN206920600 U CN 206920600U CN 201720946679 U CN201720946679 U CN 201720946679U CN 206920600 U CN206920600 U CN 206920600U
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Abstract
A kind of laser radar optical system, including laser emission optical system, speculum group, laser pick-off optical system, described laser emission optical system and laser pick-off optical system are located at the both sides of speculum group respectively, and described optical transmitting system is parallel with the optical axis of laser pick-off optical system.The laser radar optical system efficiently solves the problem of compactedness of optical transmitting system and receiving optics is laid out in laser radar optical system design, the volume of optical system in laser radar is reduced, realizes that Miniaturization Design provides good basis for laser radar system.
Description
Technical field
Laser radar technique field is the utility model is related to, specifically refers to a kind of laser radar optical system.
Background technology
Laser radar is the equipment perceived using laser beam to surrounding objects, and surrounding is reflected in the form of cloud data
The position of object and pattern, have that Measurement Resolution is high, speed is fast, small volume, it is in light weight the features such as.Optical system controls laser
The direction of propagation in systems and convergence diverging, are the key components for the radar that laser radar is different from other working mechanisms, light
The structure type of system determines the structure type of whole laser radar system.
At present, a design difficulty of laser radar system is how to be laid out laser emission optical system and laser pick-off light
System, it is set to make optical system that there is compactedness and high efficiency in the case where function can be realized.How effectively to be solved for this
Certainly laser emission optical system and the compact of laser pick-off optical system are laid out so that laser radar system can realize miniaturization
Design, is always the technology focus that row those skilled in the art rather pay close attention to.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of laser radar optical system, the laser radar optics
System efficiently solves the compactedness of optical transmitting system and receiving optics in laser radar optical system design and is laid out
The problem of, the volume of optical system in laser radar is reduced, realizes that Miniaturization Design provides well for laser radar system
Basis.
In order to solve the above technical problems, a kind of technical scheme of laser radar optical system of the present utility model is：Including
Laser emission optical system, speculum group, laser pick-off optical system, described laser emission optical system and laser pick-off light
System is located at the both sides of speculum group respectively, and described optical transmitting system and the optical axis of laser pick-off optical system are put down
OK.
In certain embodiments, described speculum group be used for by the laser reflection of laser emission optical system to target with
Detection, while described speculum group is also by by the laser projection that target reflects to laser pick-off optical system.
In certain embodiments, described laser emission optical system includes generating laser and transmitting collimating optics mirror
Group, the laser beam of described generating laser outgoing is in the focus of transmitting collimating optics microscope group, described transmitting collimating optics
The laser beam that microscope group is emitted to generating laser carries out shaping.
In certain embodiments, described generating laser preferred semiconductor laser, optical fiber laser, Solid State Laser
One kind in device, LED.
In certain embodiments, described laser pick-off optical system includes receiving collimating optics microscope group and laser pick-off
Device, described reception collimating optics microscope group carry out shaping to the laser of reception and projected on laser pickoff, described laser
The laser beam that receiver receives is in the focus for receiving collimating optics microscope group.
In certain embodiments, in described laser pickoff preferred photodetector, silicon photocell, imaging detector
It is a kind of.
In certain embodiments, described speculum group includes the first plane mirror and the second plane mirror, described
The first plane mirror and the second plane mirror between there is angle, and described angle is 89~91 °, described first
Plane mirror by the laser reflection of laser emission optical system to target to detect, the second described plane mirror will be by mesh
The laser projection that reflects is marked to laser pick-off optical system.
In certain embodiments, the angle between described the first plane mirror and the second plane mirror is 90 °.
A kind of laser radar optical system of the present utility model, it can efficiently solve and be sent out in laser radar optical system design
The problem of compactedness of optical system and receiving optics is laid out is penetrated, the volume of optical system in laser radar is reduced, is
Laser radar system realizes that Miniaturization Design provides good basis.
Brief description of the drawings
The utility model provides accompanying drawing further understanding in order to disclosure, and accompanying drawing forms one of the application
Point, but it is only used for illustrating the non-limiting example of some aspects of inventive concept involved by embodiment, rather than for making
Go out any restrictions.
Fig. 1 is the schematic diagram of the laser radar optical system of some embodiments disclosed in the utility model.
Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6 be some embodiments disclosed in the utility model laser radar optical system in the
The view that one plane mirror and the second plane mirror intersect.
Shown in the utility model figure：
1 generating laser, 2 transmitting collimating optics microscope groups, 3 receive collimating optics microscope group, 4 laser pickoffs, 5 first planes
Speculum, 6 second plane mirrors.
Embodiment
The usually used term of those skilled in the art be will hereinafter use to describe the inventive concept of the disclosure.However, this
A little inventive concepts can be presented as many different forms, thus should not be considered limited to embodiments described herein.These are provided
Embodiment is in order that present disclosure is more detailed and complete, and will completely pass on what it included to those skilled in the art
Scope.It must also be noted that these embodiments do not have to be mutually exclusive.Component, step or element from one embodiment may be assumed that into another
It may be present or use in one embodiment., can be with diversified in the case where not departing from the scope of embodiment of the disclosure
Alternative and/or equivalent implementations substitute shown or described specific embodiment.The application is intended to cover reality discussed herein
Apply any modification or modification of example.
Phrase such as " in certain embodiments ", " in one embodiment " hereinafter may or may not refer to identical reality
Apply example.Although the grade of term first, second can be used to describe various elements herein, these elements should not be limited by these terms
System, these terms are only used for element being distinguished from each other out.For example, the first element can be referred to as second element, and similarly, the
Was Used can be referred to as the first element, without departing from scope of the present application.
Fig. 1 is the schematic diagram according to the laser radar optical system of the disclosure some embodiments.The laser radar optical system
System includes laser emission optical system, speculum group, laser pick-off optical system.Wherein described laser emission optical system and
Laser pick-off optical system is located at the both sides of speculum group, and described optical transmitting system and laser pick-off optical system respectively
Optical axis it is parallel.Optical transmitting system is parallel with the optical axis of laser pick-off optical system to can be regarded as two kinds of existences：First
Kind, i.e. two optical axis coincidences, refer to Fig. 1；Second, two optical axises are parallel but misaligned.The laser radar optical system of the disclosure
It is overall linear to lay, efficiently solve optical transmitting system and receiving optics in laser radar optical system design
The problem of compactedness is laid out, reduces the horizontal span of optical system in laser radar, and then reduce laser radar optical system
The cumulative volume of system, realize that Miniaturization Design provides good basis for laser radar system.
In certain embodiments, described speculum group be used for by the laser reflection of laser emission optical system to target with
Detection, while described speculum group is also by by the laser projection that target reflects to laser pick-off optical system.
To realize the target acquisition of speculum group and projecting purpose again, in certain embodiments, described speculum group bag
Include the first plane mirror 5 and the second plane mirror 6.Between described the first plane mirror 5 and the second plane mirror 6
With angle, and described angle can be selected between 89~91 °.The first described plane mirror 5 is by Laser emission
For the laser reflection of optical system to target to detect, the second described plane mirror 6 throws the laser reflected by target
It is mapped to laser pick-off optical system.Wherein, the preferred value as angle, in certain embodiments, the first described plane
Angle between the plane mirror 6 of speculum 5 and second is 90 °, with reference to figure 1.In certain embodiments, the first plane is anti-
(with reference to figure 1, Fig. 2, Fig. 3) can actually be intersected by penetrating the plane mirror 6 of mirror 5 and second, also can virtually be intersected and (be prolonged by virtual
Stretch minute surface and realize it is intersecting, with reference to figure 4, Fig. 5, Fig. 6).Selection it is virtual intersecting and it is actual it is intersecting for those skilled in the art and
Speech can be selected according to specific with scene, it is not limited to single intersecting form.In certain embodiments, Laser emission
The laser of optical system passes through the horizontal reflection of the first plane mirror 5 to target to be detected, and the second plane reflection simultaneously
Mirror 6 is again by by the laser projection that target level reflects to laser pick-off optical system, now the first plane mirror 5 and the
90 ° of intersecting angle is could be alternatively formed between two plane mirrors 6.
In certain embodiments, described laser emission optical system includes generating laser 1 and transmitting collimating optics mirror
Group 2, the laser beam of described generating laser 1 outgoing is in the focus of transmitting collimating optics microscope group 2, described transmitting collimated light
Learn the laser beam that microscope group 2 is emitted to generating laser 1 and carry out shaping.In certain embodiments, described transmitting collimating optics mirror
Group 2 is located at the side of the first plane mirror 5, and now the first plane mirror 5 makes by launching the shaping of collimating optics microscope group 2
Laser beam changes the direction of propagation and is transmitted in space to be measured to target.When the laser radar optical system of the disclosure is actual
When being used in various occasions, generating laser 1 and transmitting collimating optics microscope group 2 be able to can be also arranged on altogether loaded in identical carrier
On different carriers, finally meet the laser beam of the outgoing of generating laser 1 in the focus of transmitting collimating optics microscope group 2.For
Described generating laser 1 can select semiconductor laser (preferred semiconductor laser diode), certainly also visual demand choosing
Select optical fiber laser or solid state laser or LED.Launch collimating optics microscope group 2 to carry out the laser beam that generating laser 1 is emitted
Shaping so that the angle of divergence of laser beam is effectively compressed.
In certain embodiments, described laser pick-off optical system includes receiving collimating optics microscope group 3 and laser pick-off
Device 4, described reception collimating optics microscope group 3 carry out shaping to the laser of reception and projected on laser pickoff 4, and described swashs
The laser beam that optical receiver 4 receives is in the focus for receiving collimating optics microscope group 3.In certain embodiments, collimating optics is received
Microscope group 3 is located at the side of the second plane mirror 6, the reception laser that now the second plane mirror 6 will be reflected by target
Change the direction of propagation and project and receive the progress shaping of collimating optics microscope group 3.When the laser radar optical system of the disclosure is actual
When being used in various occasions, receive collimating optics microscope group 3 and laser pickoff 4 can be altogether loaded on a carrier, naturally it is also possible to
Collimating optics is being received loaded on the laser beam on different carriers, finally meeting the reception of laser pickoff 4 according to scene and demand
In the focus of microscope group 3.For described laser pickoff 4, photodetector (preferably photodiode), silicon light may be selected
One kind in battery, imaging detector.In certain embodiments, preferred photodetector.
In certain embodiments, launch collimating optics microscope group 2 to enter the laser beam of semiconductor laser diode outgoing
Row shaping so that the angle of divergence of laser beam is effectively compressed；Laser beam after collimation changes laser by the first plane mirror 5
The direction of propagation, be transmitted in space and target measured；Second plane mirror 6 swashs the reception reflected by target
Light changes the direction of laser propagation, projects and receives collimating optics microscope group 3, receives collimating optics microscope group 3 and is carried out to receiving laser
Shaping so that laser beam carries out convergence and becomes laser spots dot projection to photodiode photosurface.
The transmitting collimating optics microscope group 2 of the laser radar optical system of the disclosure is with receiving collimating optics microscope group 3 positioned at the
The both sides of one plane mirror 5, the second plane mirror 6, it is effectively improved the compactedness of optical system.
Claims (8)
- A kind of 1. laser radar optical system, it is characterised in that：Including laser emission optical system, speculum group, laser pick-off Optical system, described laser emission optical system and laser pick-off optical system are located at the both sides of speculum group, and institute respectively The optical transmitting system stated is parallel with the optical axis of laser pick-off optical system.
- A kind of 2. laser radar optical system according to claim 1, it is characterised in that：Described speculum group is used for will The laser reflection of laser emission optical system is to target to detect, while described speculum group will also be reflected by target Laser projection is to laser pick-off optical system.
- A kind of 3. laser radar optical system according to claim 1 or 2, it is characterised in that：Described Laser emission light System includes generating laser (1) and transmitting collimating optics microscope group (2), the laser beam of described generating laser (1) outgoing In the focus of transmitting collimating optics microscope group (2), what described transmitting collimating optics microscope group (2) was emitted to generating laser (1) Laser beam carries out shaping.
- A kind of 4. laser radar optical system according to claim 3, it is characterised in that：Described generating laser (1) For one kind in semiconductor laser, optical fiber laser, solid state laser, LED.
- A kind of 5. laser radar optical system according to claim 1 or 2, it is characterised in that：Described laser pick-off light System includes receiving collimating optics microscope group (3) and laser pickoff (4), and described reception collimating optics microscope group (3) is to receiving Laser shaping and project on laser pickoff (4), the laser beam that described laser pickoff (4) receives receive it is accurate In the focus of direct light microscope group (3).
- A kind of 6. laser radar optical system according to claim 5, it is characterised in that：Described laser pickoff (4) For one kind in photodetector, silicon photocell, imaging detector.
- A kind of 7. laser radar optical system according to claim 1 or 2, it is characterised in that：Described speculum group bag Include the first plane mirror (5) and the second plane mirror (6), described the first plane mirror (5) and the second plane reflection There is angle, and described angle is 89~91 ° between mirror (6), described the first plane mirror (5) is by Laser emission optics The laser reflection of system to target to detect, laser projection that described the second plane mirror (6) will be reflected by target To laser pick-off optical system.
- A kind of 8. laser radar optical system according to claim 7, it is characterised in that：The first described plane mirror (5) angle between the second plane mirror (6) is 90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720946679.2U CN206920600U (en) | 2017-08-01 | 2017-08-01 | A kind of laser radar optical system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720946679.2U CN206920600U (en) | 2017-08-01 | 2017-08-01 | A kind of laser radar optical system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817482A (en) * | 2017-10-25 | 2018-03-20 | 宁波傲视智绘光电科技有限公司 | Laser radar optical system |
| CN108646232A (en) * | 2018-05-15 | 2018-10-12 | 宁波傲视智绘光电科技有限公司 | A kind of the correction system and laser radar range device of laser radar |
| CN111308442A (en) * | 2018-12-12 | 2020-06-19 | 华为技术有限公司 | Laser radar |
| CN111538021A (en) * | 2020-05-11 | 2020-08-14 | 睿镞科技(北京)有限责任公司 | Optical radar system and method of manufacturing the same |
-
2017
- 2017-08-01 CN CN201720946679.2U patent/CN206920600U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107817482A (en) * | 2017-10-25 | 2018-03-20 | 宁波傲视智绘光电科技有限公司 | Laser radar optical system |
| CN108646232A (en) * | 2018-05-15 | 2018-10-12 | 宁波傲视智绘光电科技有限公司 | A kind of the correction system and laser radar range device of laser radar |
| CN111308442A (en) * | 2018-12-12 | 2020-06-19 | 华为技术有限公司 | Laser radar |
| CN111308442B (en) * | 2018-12-12 | 2022-05-13 | 华为技术有限公司 | Laser radar |
| CN111538021A (en) * | 2020-05-11 | 2020-08-14 | 睿镞科技(北京)有限责任公司 | Optical radar system and method of manufacturing the same |
| CN111538021B (en) * | 2020-05-11 | 2023-11-14 | 睿镞科技(北京)有限责任公司 | Optical radar system and method for manufacturing same |
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