CN209417299U - A kind of laser radar module - Google Patents
A kind of laser radar module Download PDFInfo
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- CN209417299U CN209417299U CN201822158533.9U CN201822158533U CN209417299U CN 209417299 U CN209417299 U CN 209417299U CN 201822158533 U CN201822158533 U CN 201822158533U CN 209417299 U CN209417299 U CN 209417299U
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- light source
- transmitting light
- laser radar
- radar module
- lens cone
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Abstract
This application involves laser radar field more particularly to a kind of laser radar modules.The application includes transmitting light source, optical lens group, receiving end, the transmitting light source is for generating outgoing beam, the outgoing beam passes through the optical lens group homed on its target, the echo beam that the measured target returns injects the receiving end through the optical lens group, it further include structure lens cone, the optical lens group is arranged in structure lens cone, and transmitting light source is arranged in structure lens cone bottom, regulating mechanism is additionally provided in structure lens cone, for adjusting the position of transmitting light source.The application is adjusted transmitting light source position by regulating mechanism, is directed at optical axis, solves multistage build-up tolerance present in traditional installations, needs to take considerable time the problem of readjusting the collimation to guarantee optical path to optical axis in debugging process.
Description
Technical field
This application involves laser radar field more particularly to a kind of laser radar modules.
Background technique
Laser radar is using LED or laser as transmitting light source, using detecting technique means active away from
From detecting devices.Currently, well known laser radar forms optical path system by transmitting light source, diversing lens, receiving lens, receiving end
System.Specified wavelength light beam, on emitted lens lighting to object, the received lens of object return light are issued by transmitting light source
Into receiving end, ranging is completed；The light axis consistency of each element is particularly important during realization, and it is solid that this has just highlighted optical component
Determine the importance of mode.
The fixed forms that majority uses at present are that transmitting light source and receiving end are welded on a circuit board, and transmitting receives thoroughly
Mirror is fixed on structural member, then circuit board and structural member are completed to the fixation of light path system；Exist during this multistage
Build-up tolerance, it is horizontal to installation to propose high requirement, it is difficult to ensure that so high installation accuracy, makes under current technological level
It is big to obtain installation difficulty, volume production is difficult, and qualification rate is low, and optical axis debug time is long.
In order to solve the excessive demand to installation accuracy at present, and light axis consistency is improved, needs a kind of optical axis adjustable
Laser radar.
Utility model content
The application is to propose a kind of laser radar module, is adjusted by the position to transmitting light source, makes optical axis pair
It is quasi-.It is big to solve installation difficulty present in traditional installations, light axis consistency debugs the problem of time-consuming.
The application also resides in the installation method for proposing laser radar module.
The application uses following technical scheme:
On the one hand, a kind of laser radar module, including transmitting light source, optical lens group, receiving end, the transmitting light source are used
In generating outgoing beam, the outgoing beam passes through the optical lens group homed on its target, the echo that the measured target returns
Light beam injects the receiving end through the optical lens group, further includes structure lens cone, and the optical lens group is arranged in structure mirror
In cylinder, transmitting light source setting is additionally provided with regulating mechanism in structure lens cone bottom, structure lens cone, for adjusting the position of transmitting light source
It sets.
In one possible implementation, the regulating device includes adjusting screw, elastic slice, and the elastic slice will be sent out
It penetrates light source to withstand on structure lens cone wall, the adjusting screw and transmitting light source contacts simultaneously can push transmitting light source displacements, compression bullet
Piece.
In one possible implementation, the adjusting screw, the adjustable range of elastic slice are 0-0.6mm.
In one possible implementation, the elastic slice, adjusting screw are one or more.
In one possible implementation, when the elastic slice, adjusting screw are multiple, it is arranged in same level
On.
In one possible implementation, the transmitting light source is arranged by location structure in structure lens cone bottom,
Location structure can be such that transmitting light source moves in a horizontal plane.
In one possible implementation, the receiving end includes a circuit board, the structure lens cone and circuit board
Connection is provided with copper pipe on circuit boards, touches at the top of copper pipe with transmitting light source bottom connection, be used to support transmitting light source.
It in one possible implementation, further include master control borad and interface expansion board, the master control borad, Interface Expanding
Plate is connected by screw, stud and structure lens cone.
In one possible implementation, the laser radar module is arranged in a shell, and the shell includes
Front housing, rear shell offer window on front housing, for light outgoing, return.
The application, which passes through, will emit light source, optical lens group setting is fixed on a structure lens cone, and receiving end is in return
It in the optical path of light beam, is fixed relative to structure lens cone position, regulating mechanism is equipped in structure lens cone, adjust the position of transmitting light source
It sets, keeps transmitting light source, optical lens group, receiving end optical axis consistent, optical axis adjustment only needs that transmitting light source is adjusted,
Multistage build-up tolerance present in traditional installations is avoided, while ensure that the collimation of optical path, solves conventional mounting mistake
Installation difficulty present in journey is big, the problem of the bad determination of light axis consistency.
Detailed description of the invention
Fig. 1 is the decomposition diagram of laser radar module provided by the embodiments of the present application.
Fig. 2 is adjusting screw provided by the embodiments of the present application, elastic slice position view.
Fig. 3 is laser radar cross-sectional view provided by the embodiments of the present application.
Fig. 4 is the laser radar module diagram provided by the embodiments of the present application including shell.
In figure: 1, structure lens cone；2, emit light source；3, diversing lens；4, receiving lens；5, circuit board；6, photoelectric sensing
Device；7, adjusting screw；8, elastic slice；9, limiting slot；10, baffle；11, copper pipe；12, master control borad；13, interface expansion board；14, spiral shell
Nail；15, stud；16, rear shell；17 front housings；18, window；19, it is popular in glass panel；20, tail card.
Specific embodiment
Further illustrate the technical solution of the application below with reference to the accompanying drawings and specific embodiments.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
In order to make those skilled in the art more fully understand application scheme, below in conjunction in the embodiment of the present application
Attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
The embodiment of the application a part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without making creative work, all should belong to the model of the application protection
It encloses.
It should be noted that the description and claims of this application and term " first " in above-mentioned attached drawing, "
Two " etc. be to be used to distinguish similar objects, without being used to describe a particular order or precedence order.It should be understood that using in this way
Data be interchangeable under appropriate circumstances, so as to embodiments herein described herein.In addition, term " includes " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of steps or units
Process, method, system, product or equipment those of are not necessarily limited to be clearly listed step or unit, but may include without clear
Other step or units listing to Chu or intrinsic for these process, methods, product or equipment.
As shown in Figure 1, a kind of laser radar module of the embodiment of the present application, including transmitting light source 2, optical lens group, reception
End, for the transmitting light source 2 for generating outgoing beam, the outgoing beam passes through the optical lens group homed on its target, described
The echo beam that measured target returns injects the receiving end through the optical lens group, further includes structure lens cone 1, the optics
Lens group is arranged in structure lens cone 1, as shown in Fig. 2, the transmitting setting of light source 2 is gone back in 1 bottom of structure lens cone, structure lens cone 1
Equipped with regulating mechanism, for adjusting the position of transmitting light source 2.
In Fig. 1, the optical lens group includes diversing lens 3, receiving lens 4, and the structure lens cone 1 is a bitubular knot
Structure, in transmitting lens barrel, the setting of receiving lens 4 is being received in lens barrel for diversing lens 3, the setting of transmitting light source 2.It is independent at two
Baffle 10 is additionally provided between lens barrel space, for prevent transmitting light source 2 issue light detecting signal by lens barrel inner wall reflection,
Or otherwise entered in receiving end without the reflection of external detected object, generate interference.
As shown in Figure 1 and Figure 2, the regulating device includes adjusting screw 7, elastic slice 8, and the elastic slice 8 will emit light source
2 withstand on structure lens cone wall, and the adjusting screw 7 contacts with transmitting light source 2 and transmitting light source 2 is pushed to be displaced, and compress elastic slice 8,
Realize that transmitting light source 2 is adjusted.
The adjustable range of the adjusting screw 7, elastic slice 8 is 0-0.6mm.
As shown in figure 3, adjusting screw 7 is arranged on the side wall of structure lens cone 1, top passes through the side wall of structure lens cone 1
Emit light source 2 for pushing, transmitting light source 2 is between adjusting screw 7 and elastic slice 8, and the elastic force of elastic slice 8 is withstood on light source is emitted
On structure lens cone wall.When needing to adjust transmitting 2 position of light source, staff adjusts adjusting screw 7, pushes transmitting light source 2, hair
It penetrates light source 2 to start to be displaced and compress elastic slice 8 along 7 pushing direction of adjusting screw, elastic slice 8 occurs elastic deformation by compression, works as optical axis
Stop the adjusting to adjusting screw 7 after alignment.It is contacted always during this with transmitting light source 2 and is limited in transmitting light source 2
Between elastic slice 8 and adjusting screw 7.By the adjusting to transmitting 2 position of light source, transmitting 2 outgoing beam of light source is aligned.
Whether transmitting light source 2 is aligned with optical lens group, receiving end optical axis, can be carried out by peak detector,
Peak detector detects hot spot of the outgoing beam in target, when emitting, receiving optical axis alignment, peak detection circuit
There is peak value.
The elastic slice 8, adjusting screw 7 are one or more.
When the elastic slice 8, adjusting screw 7 are multiple, it is arranged on the same horizontal plane.
Because multiple adjusting screws 7, can during pushing transmitting light source 2 to compress elastic slice 8 not when on a horizontal plane
Can there is a problem of bearing up-down force unevenness, emit the meeting run-off the straight of light source 2 at this time, influence optical axis alignment.All adjusting spiral shells
Silk 7, elastic slice 8 are arranged on the same horizontal plane, and transmitting light source 2 is adjusted in a horizontal plane, guarantee transmitting light source 2
Uniform force, the problem of preventing inclination.
The transmitting light source 2 is arranged by location structure in structure lens cone bottom, and location structure can make to emit light source
Movement is done in a horizontal plane.
As shown in figure 3, location structure can be limiting slot 9.It as needed may be mounting hole.The size of limiting slot 9
Greater than the size of transmitting light source 2, transmitting light source 2 can translate in limiting slot 9, and the upward displacement of transmitting light source 2 is limited
The limitation at 9 top of slot.
The receiving end, including a circuit board 5, the structure lens cone 1 connect with circuit board 5, are arranged on circuit board 5
There is copper pipe 11, to support transmitting light source 2.
11 pairs of 2 bottoms of transmitting light source of copper pipe are supported, and transmitting light source 2 is withstood in limiting slot 9, and transmitting light source 2 is downward
Displacement receive the limitation of copper pipe 11, can only limited by limiting slot 9, copper pipe 11 so that transmitting light source 2 can not move up and down
Translation in the slot 9 of position.Without the concern for upper and lower displacement during adjustment transmitting light source 2, adjustment only need to be translated, reduces adjusting optical axis
Difficulty.
The receiving end further includes photoelectric sensor 6, and photoelectric sensor 6 is arranged on circuit board 5, and is in receiving light path
On, for converting optical signal into electric signal.
The laser radar module further includes master control borad 12 and interface expansion board 13, and the master control borad 12, interface expand
Panel 13 is connect by screw 14, stud 15 with structure lens cone 1 with circuit board 5.
Master control borad 12 is used to issue transmitting light source 2, receiving end instruction, and control transmitting light source 2 emits light beam, controls and receives
End receives light beam, and interface expansion board 13 is for being adapted to the different interface type of client.
As shown in figure 4, the laser radar module is arranged in a shell, the shell includes front housing 17, rear shell 16,
Front housing 17, rear shell 16 connect, and form a space, and laser radar module is arranged in space.It offers on front housing 17 for passing through
The window 18 of light beam is equipped on window 18 and is popular in glass panel 19, the space-closed that front housing 17, rear shell 16 are formed.Rear shell
Hole is offered on 16, cable (being not drawn into figure) passes through hole and connect with master control borad 12, and cable is anchored on rear shell 16 by tail card 20
On.The laser radar module is arranged in a shell, ensure that dustproof and waterproof.
A kind of laser radar module installation method, the method includes adjusting the step of emitting light source 2: when the transmitting light
Source 2 is arranged behind 1 bottom of structure lens cone, carries out displacement fine tuning to adjusting screw 7, pushes transmitting light source 2 to compress elastic slice 8, makes to send out
Penetrate the alignment of 2 optical axis of light source.
Specific installation may include following steps:
Step a, diversing lens 3, receiving lens 4 are mounted on 1 nozzle of structure lens cone；
Step b, transmitting light source 2 is mounted on 1 bottom of structure lens cone, Primary Location is carried out by limiting slot 9；
Step c, circuit board 5 is fixedly connected with structure lens cone 1；
Step d, displacement fine tuning is carried out to adjusting screw 7, transmitting light source 2 is pushed to compress elastic slice 8, make to emit 2 optical axis of light source
Alignment, optical axis are aligned by peak detector to determine；
Step e, master control borad 12, interface expansion board 13 are installed；
Step f, laser radar module is installed in shell.
This installation process is adjusted by the position to transmitting light source, is directed at optical axis.In installation process, optics
Lens group, receiving end position decided by structure lens cone, known to precision, it is only necessary to which adjusting transmitting light source can be realized light
Axis is consistent, and installation difficulty is low, and light axis consistency debugging is time-consuming short.
Describe the technical principle of the application in conjunction with specific embodiments above.These descriptions are intended merely to explain the application's
Principle, and it cannot be construed to the limitation to the application protection scope in any way.Based on the explanation herein, the technology of this field
Personnel do not need to pay for creative labor the other specific embodiments that can associate the application, these modes are fallen within
Within the protection scope of the application.
Claims (9)
1. a kind of laser radar module, including transmitting light source, optical lens group, receiving end, the transmitting light source is for producing
Irradiating light beam, the outgoing beam pass through the optical lens group homed on its target, and the echo beam that the measured target returns is through institute
It states optical lens group and injects the receiving end, which is characterized in that further include structure lens cone, the optical lens group is arranged in structure
In lens barrel, transmitting light source setting is additionally provided with regulating device in structure lens cone bottom, structure lens cone, for adjusting transmitting light source
Position.
2. laser radar module according to claim 1, which is characterized in that the regulating device include adjusting screw,
Elastic slice, the elastic slice are withstood on light source is emitted on structure lens cone wall, and the adjusting screw light source contacts and can be pushed with emitting
Emit light source displacements, compresses elastic slice.
3. laser radar module according to claim 2, which is characterized in that the adjusting model of adjusting screw, the elastic slice
It encloses for 0-0.6mm.
4. laser radar module according to claim 3, which is characterized in that the elastic slice, adjusting screw be one or
It is multiple.
5. laser radar module according to claim 4, which is characterized in that when the elastic slice, adjusting screw are multiple,
It is arranged in same level.
6. laser radar module according to claim 5, which is characterized in that the transmitting light source is set by location structure
It sets in structure lens cone bottom, location structure can be such that transmitting light source moves in a horizontal plane.
7. laser radar module according to claim 6, which is characterized in that the receiving end includes a circuit board, institute
It states structure lens cone to connect with circuit board, is provided with copper pipe on circuit boards, touches, be used for transmitting light source bottom connection at the top of copper pipe
Support transmitting light source.
8. laser radar module according to claim 7, which is characterized in that further include master control borad and interface expansion board, institute
Master control borad, the interface expansion board stated are connected by screw, stud and structure lens cone.
9. laser radar module according to claim 8, which is characterized in that the laser radar module is arranged outside one
In shell, the shell includes front housing, rear shell, offers window on front housing, outgoing, return for light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822158533.9U CN209417299U (en) | 2018-12-21 | 2018-12-21 | A kind of laser radar module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822158533.9U CN209417299U (en) | 2018-12-21 | 2018-12-21 | A kind of laser radar module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209417299U true CN209417299U (en) | 2019-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822158533.9U Active CN209417299U (en) | 2018-12-21 | 2018-12-21 | A kind of laser radar module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444908A (en) * | 2018-12-21 | 2019-03-08 | 北醒（北京）光子科技有限公司 | A kind of laser radar module and its installation method |
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2018
- 2018-12-21 CN CN201822158533.9U patent/CN209417299U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109444908A (en) * | 2018-12-21 | 2019-03-08 | 北醒（北京）光子科技有限公司 | A kind of laser radar module and its installation method |
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