CN108318874A - A kind of face battle array laser radar and mobile platform - Google Patents
A kind of face battle array laser radar and mobile platform Download PDFInfo
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- CN108318874A CN108318874A CN201810326681.9A CN201810326681A CN108318874A CN 108318874 A CN108318874 A CN 108318874A CN 201810326681 A CN201810326681 A CN 201810326681A CN 108318874 A CN108318874 A CN 108318874A
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- 230000003287 optical effect Effects 0.000 claims abstract description 34
- 238000007493 shaping process Methods 0.000 claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 18
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- 238000009434 installation Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 4
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- 230000017525 heat dissipation Effects 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 230000013011 mating Effects 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 10
- 230000004888 barrier function Effects 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000010354 integration Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
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- 230000005622 photoelectricity Effects 0.000 description 2
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4814—Constructional features, e.g. arrangements of optical elements of transmitters alone
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- Computer Networks & Wireless Communication (AREA)
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- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The present invention relates to a kind of face battle array laser radar and mobile platforms.A kind of transmitting camera lens, including：Along the optical shaping structure of the light direction of the launch setting of transmitting light source, the optical shaping structure includes at least one cylindrical lenses, length direction on the cylindrical lenses close to the columnar projections of the side setting of transmitting light source is vertical with the diverging direction of light beam is emitted, and the transmitting light beam is after optical shaping structure in the uniform beam of the setting angle of divergence and setting shape.A kind of face battle array laser radar, including face battle array light trigger mechanism are additionally provided, Mian Zhen light receivers mechanism, master control borad, the face battle array light trigger mechanism includes transmitting light source, driving radiating circuit and the transmitting camera lens.Additionally provide a kind of moveable platform.It solves the problems, such as that the emission system transmitting light beam of common face battle array laser radar is non-uniform, improves safety and the accuracy of test and operation.
Description
Technical field
The present invention relates to field of artificial intelligence more particularly to a kind of transmitting camera lens, face battle array laser radar and movement are flat
Platform.
Background technology
LiDAR (Light Detection and Ranging), is the abbreviation of optical detection and range-measurement system, laser radar
It is that transmitting light source is used as using laser or LED, using the active object detecting apparatus of detecting technique means.Laser thunder
Up to the advanced detection mode that be laser technology combined with modern detecting technique.Mainly by emission system, reception system, letter
The parts such as breath processing form.Emission system includes various forms of lasers or LED；Reception system is using receiving lens and respectively
The photodetector of kind form.
Common transmitting module is all Line beam in machinery rotating type laser radar, is swept using machinery rotation realization face battle array
It retouches.This proposes very high requirement to the precision of design and the ray machine assembly of sweep mechanism, and then leads to the production of volume production link
Efficiency is relatively low, and cost is high.Solid-state laser radar reduces mechanical rotation relative to traditional machinery rotating type laser radar
Rotating function component and encoding device, structure are simplified, and assembling difficulty is reduced, and performance is stablized, and range frequency is high.
The one kind of face battle array laser radar as solid-state laser radar, is conducive to efficient volume production, and significantly reduce system
Cause this.Existing face battle array laser radar, transmitter are difficult to realize the homogenizer transmitting of big search coverage.
Invention content
The purpose of the embodiment of the present invention is to propose that a kind of transmitting camera lens is solved by the structure setting of cylindrical lenses
The light scanning of mechanical laser radar is complicated, the low problem of refreshing frequency, and the commonly transmitting of face battle array laser radar
System emits the non-uniform problem of light beam.
The purpose of the embodiment of the present invention, which also resides in, proposes a kind of face battle array laser radar, by emitting camera lens knead dough battle array photoelectricity core
Piece is equipped with, solve the light beam that sends out of prior art transmitting light source after emit camera lens with face gust photoelectric chip not
The problem of matching, being unable to uniform fold measured zone.
The purpose of the embodiment of the present invention additionally provides a kind of platform of movement, by the transmitting camera lens or with hair
Penetrate the face battle array laser radar of camera lens so that face battle array laser radar is more accurate to the barrier positioning in measured zone, improves
The safety of the operation of mobile platform and accuracy.
For this purpose, the embodiment of the present invention uses following technical scheme：
A kind of transmitting camera lens, including：Along the optical shaping structure of the light direction of the launch setting of transmitting light source, the optical shaping
Structure includes at least one cylindrical lenses, the length for the columnar projections being arranged close to the side of transmitting light source on the cylindrical lenses
Direction is vertical with the transmitting diverging direction of light beam, each adjacent two column on the side of close transmitting light source on the cylindrical lenses
Link slot it has been smoothly connected between protrusion, the transmitting light beam is after optical shaping structure in the uniform of the setting angle of divergence and shape
Light beam.
As one of the preferred embodiments of the present invention, the angle of divergence of the transmitting light beam is P °, the transmitting light beam warp
It is in M ° of horizontal divergence angle, the uniform beam of N ° of vertical divergence angle after optical shaping structure, wherein 0 ＜ M ＜, 180,0 ＜ N ＜ 180,
0 ＜ P ＜ 180；
As P ＞ M or P ＞ N, convergent lens is additionally provided between transmitting light source and the cylindrical lenses.
As one of the preferred embodiments of the present invention, the surface of the columnar projections is even aspheric surface, the even
Aspherical surface equation is,
Wherein R is the radius of curvature on the vertex of even aspheric surface, and the Y is continuous value variable, and the k is circular cone coefficient, wherein
The value of R is normal number, and the value of k is constant, A2、A4、A6、A8Value be normal number.
As one of the preferred embodiments of the present invention, the value range of the R is：0 R≤4 ＜；The value model of the k
Enclose for：- 2≤k≤- 0.5, the A2、A4、A6And A8Value range be：0≤A2≤ 7,0≤A4≤ 7,0≤A6≤ 7,0≤A8≤
7。
As one of the preferred embodiments of the present invention, R=1.5, the k=- 0.7, A2=0.323, the A4
=0.103, A6=0.085, A8=0.
As one of the preferred embodiments of the present invention, the optical shaping structure includes being arranged along the light direction of the launch
One cylindrical lenses, as P=M, it is described transmitting light source transmitting light beam after cylindrical lenses become horizontal divergence angle be P °,
The rectangular light beam that the vertical angle of divergence is N °；
As P=N, it is M °, the vertical angle of divergence that the transmitting light beam of the transmitting light source becomes horizontal divergence angle after cylindrical lenses
For P ° of rectangular light beam.
As one of the preferred embodiments of the present invention, the optical shaping structure includes being arranged along the light direction of the launch
Two cylindrical lenses, as P ＜ M, P ＜ N, the transmitting light beam of the transmitting light source becomes horizontal hair after the first cylindrical lenses
The rectangular light beam that scattered angle is P °, the vertical angle of divergence is N ° becomes horizontal divergence angle after the second cylindrical lenses and is M °, sends out vertically
Dissipate the rectangular light beam that angle is N °；
It is M °, dissipates vertically alternatively, the transmitting light beam of the transmitting light source becomes horizontal divergence angle after the first cylindrical lenses
The rectangular light beam that angle is P ° becomes the rectangular light that horizontal divergence angle is M °, the vertical angle of divergence is N ° after the second cylindrical lenses
Beam.
As one of the preferred embodiments of the present invention, as P ＞ M ＞ N, alternatively, when M ＜ P ＜ N, the optical shaping knot
Structure includes the convergent lens being arranged along the light direction of the launch and a cylindrical lenses, and the transmitting light beam of the transmitting light source is concentrated
It is N ° of light beam to become the angle of divergence after lens, as horizontal divergence angle is M ° after cylindrical lenses, the vertical angle of divergence is N °
Light beam.
As one of the preferred embodiments of the present invention, the concentrated lens post-concentration of transmitting light beam is horizontal divergence angle
S °, the light beam of s ° of vertical divergence angle.
A kind of face battle array laser radar, including face battle array light trigger mechanism, Mian Zhen light receivers mechanism, master control borad, the face
Battle array light trigger mechanism includes transmitting light source, driving radiating circuit and the transmitting camera lens, Mian Zhen light receivers mechanism
Including face battle array photoelectric chip and camera lens is received, the master control borad joint face battle array photoelectric chip, the face battle array photoelectric chip connection is driven
Dynamic radiating circuit.
As one of the preferred embodiments of the present invention, the reception camera lens includes lens barrel and is sealingly disposed on lens barrel
The outer end of receiving lens, the lens barrel is sealedly connected with receiving panel, is additionally provided between the receiving lens and receiving panel
Receive diaphragm.
As one of the preferred embodiments of the present invention, the reception diaphragm includes along the battle array photoelectricity core from receiving lens to face
The diaphragm ontology shunk successively on piece direction, the diaphragm body interior are arranged with the spuious photo structure that disappears, the stray light knot that disappears
Structure is optics step or diffusing reflection face.
As one of the preferred embodiments of the present invention, the surface of the optics step is provided with diffusing reflection surface layer.
As one of the preferred embodiments of the present invention, the lens barrel sealed bottom is connected with the first optical filter；And/or
Person is connected with the second optical filter in the receiving panel or is coated with filter coating.
As one of the preferred embodiments of the present invention, the launch driving circuit is arranged on radiating circuit plate, described
Installation through-hole is offered on radiating circuit plate, and transmitting light source, the face battle array photoelectric chip are also associated on the radiating circuit plate
It is connected on master control borad, the face battle array photoelectric chip, which is tightly connected, receives camera lens, and the reception camera lens passes through simultaneously from installation through-hole
It is connected in receiving panel.
As one of the preferred embodiments of the present invention, cooling fin is also associated on the radiating circuit plate, and described scattered
Light source through holes are offered on backing respectively, the transmitting light source is fixed on radiating circuit plate, and is stretched out from light source through holes.
As one of the preferred embodiments of the present invention, the transmitting light source is VCSEL light source.
As one of the preferred embodiments of the present invention, the rear cover for further including protecgulum and being tightly connected with protecgulum, it is described to connect
It receives panel and cylindrical lenses is sealedly connected on protecgulum.
As one of the preferred embodiments of the present invention, the top of the protecgulum and rear cover is provided with radiating fin, institute
State front-rear direction perforation of the radiating fin along face battle array laser radar；
And/or the lower part of the protecgulum and rear cover is provided with lower radiating fin, the lower radiating fin is along face battle array laser thunder
The front-rear direction perforation reached.
As one of the preferred embodiments of the present invention, air plug plate is also associated on the master control borad, the air plug plate is logical
Cross the air plug interface connection host computer for being arranged and being covered after.
As one of the preferred embodiments of the present invention, radiating block is additionally provided on the master control borad, on the air plug plate
Thermal vias is offered, what the radiating block covered after passing through thermal vias to be connected to.
The present invention also provides a kind of moveable platform, the moveable platform includes the transmitting camera lens stated and/or institute
The face battle array laser radar stated.
Advantageous effect：The embodiment of the present invention is realized by the setting of cylindrical lenses at transmitting light beam uniform intensity
Reason, and reliably collimate and spread, the integration of adaptability has been carried out to the shape of light beam, transmitting light beam is adequately utilized
Luminous energy, the light scanning for solving mechanical laser radar is complicated, the low problem of refreshing frequency, and common face battle array swashs
The emission system of optical radar emits the non-uniform problem of light beam, improves the measurement accuracy and measurement efficiency of product, improves production
The stability of product reduces assembling difficulty, is convenient for product scale of mass production.
The embodiment of the present invention is by emitting being equipped with for camera lens knead dough battle array photoelectric chip so that the light that transmitting light source is sent out
Beam becomes the uniform divergent beams to match with face battle array photoelectric chip after emitting camera lens, and uniform fold measured zone is passed through
It is corresponded to after barrier reflection in measured zone even into face battle array photoelectric chip so that the optical telecommunications of face battle array photoelectric chip output
It is number relatively sharp accurate so that face battle array laser radar is more accurate to the barrier positioning in measured zone, improves laser thunder
The ranging stability reached, reduces assembling product difficulty, suitable for volume production.
Description of the drawings
Fig. 1 is the horizontal direction vertical view for the transmitting camera lens that the embodiment of the present invention 1 provides.
Fig. 2 is the vertical direction side view for the transmitting camera lens that the embodiment of the present invention 1 provides.
Fig. 3 is the structure chart for the cylindrical lenses that the embodiment of the present invention 1 provides.
Fig. 4 is columnar projections and connecting groove structure schematic diagram in the cylindrical lenses that the embodiment of the present invention 1 provides.
Fig. 5 is the structural schematic diagram for the face battle array laser radar that the embodiment of the present invention 1 provides.
Fig. 6 is the explosive view for the face battle array laser radar that the embodiment of the present invention 1 supplies.
Fig. 7 is the sectional view for the face battle array laser radar that the embodiment of the present invention 1 supplies.
In figure：
1, emit camera lens；2, radiating circuit plate；3, emit light source；4, master control borad；5, face battle array photoelectric chip；6, camera lens is received；7、
Air plug plate；8, protecgulum；9, rear cover；11, cylindrical lenses；12, convergent lens；21, installation through-hole；22, cooling fin；61, lens barrel；
62, receiving lens；63, diaphragm is received；81, receiving panel；82, frame is pressed；101, upper radiating fin；102, lower radiating fin；
111, columnar projections；112, link slot.
Specific implementation mode
Technical solution to further illustrate the present invention 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 present invention will be described in detail below with reference to the accompanying drawings and 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, technical solutions in the embodiments of the present application are clearly and completely described, it is clear that described embodiment is only
The embodiment of the application part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
The every other embodiment that member is obtained without making creative work should all belong to the model of the application protection
It encloses.
It should be noted that term " first " in the description and claims of this application and above-mentioned attached drawing, "
Two " etc. be for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that using in this way
Data can be interchanged in the appropriate case, so as to embodiments herein described herein.In addition, term " comprising " and " tool
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing series of steps or unit
Process, method, system, product or equipment those of are not necessarily limited to clearly to list step or unit, but may include without clear
It is listing to Chu or for these processes, method, product or equipment intrinsic other steps or unit.
An embodiment of the present invention provides a kind of transmitting camera lenses, as shown in Figure 1, including：Along the light launch party of transmitting light source 3
To the optical shaping structure of setting, the optical shaping structure includes at least one cylindrical lenses 11, as shown in figure 4, the column
Close to the diverging direction of the length direction and transmitting light beam of the columnar projections 111 of the side setting of transmitting light source 3 on shape lens 11
Vertically, it is smoothly connected between each adjacent two columnar projections 111 on the side of collimation lens 12 on the cylindrical lenses 11
There is link slot 112, the transmitting light beam is after optical shaping structure in the uniform beam of the setting angle of divergence and shape.
By the setting of cylindrical lenses 11, the transmitting light beam light intensity uniform for sending out transmitting light source is realized, reliably
Collimation and diffusion, and the integration of adaptability has been carried out to the shape of light beam, the luminous energy of transmitting light beam is adequately utilized, solves
The light scanning of mechanical laser radar is complicated, the low problem of refreshing frequency, and the commonly transmitting of face battle array laser radar
Light beam light intensity is uneven, and the problem of cannot reaching the setting angle of divergence and set launch spot shape, the measurement for improving product is accurate
Degree and measurement efficiency, improve the stability of product, reduce assembling difficulty, are convenient for product scale of mass production.
The angle of divergence of the transmitting light beam is P °, and the transmitting light beam of the transmitting light source 3 is in water after optical shaping structure
M ° of the flat angle of divergence, the uniform beam of N ° of vertical divergence angle.Wherein, 0 ＜ M ＜, 180,0 ＜ N ＜, 180,0 ＜ P ＜ 180.Such as Fig. 2-3
It is shown, as P ＞ M or P ＞ N, convergent lens 12 is additionally provided between the transmitting light source 3 and cylindrical lenses 11.As P ＜ M
Or when P ＜ N, the optical shaping structure includes the 1 or 2 different cylindrical lenses 11 in diverging shaping direction.
Uniform intensity is being realized after cylindrical lenses 11 in order to ensure to emit the transmitting light beam that sends out of light source, and according to setting
For fixed angle into being diffused, the surface of the columnar projections 111 is even aspheric surface, the surface equation of the even aspheric surface
For, wherein R is even aspheric surface
Vertex radius of curvature, the Y be continuous value variable, the k be circular cone coefficient, wherein the value of R be normal number, k
Value be constant, A2、A4、A6、A8Value be normal number.The structure setting of the columnar projections 111 of even aspheric surface so that
The light intensity of transmitting light beam is uniformly distributed after cylindrical lenses 11, and the transmitting light beam of cone becomes rectangular light after shaping
Beam is more adapted to face battle array photoelectric chip 5.
In order to enable the beam divergence after cylindrical lenses 11 is more uniformly distributed, and light intensity is more uniformly spread, preferably
, the value range of the R is：0 R≤4 ＜；The value range of the k is：- 2≤k≤- 0.5, the A2、A4、A6And A8's
Value range is：0≤A2≤ 7,0≤A4≤ 7,0≤A6≤ 7,0≤A8≤7.As one of optimal option, R=1.5, institute
State k=- 0.7, the A2=0.323, the A4=0.103, the A6=0.085, the A8=0。
In order to obtain by the transmitting camera lens 1 in M ° of horizontal divergence angle, the uniform beam of N ° of vertical divergence angle, according to M,
The numerical value of N and P is different, and the quantity of cylindrical lenses 11 and set-up mode used by the transmitting camera lens 1 are also different.It is sent out in selection
When penetrating light source, in order to reduce the space hold of laser radar, preferably the angle of divergence is smaller or is closer to the setting angle of divergence and light intensity
More uniformly therefore transmitting light source in the measurement process of the face of progress battle array laser radar, emits the transmitting light beam of light source 3
When the angle of divergence is equal to horizontal divergence angle or the vertical divergence angle of the transmitting light beam after the shaping of setting, as shown in Figure 1, the light
It includes a cylindrical lenses 11 along light transmitting setting to learn reshaping structure, as P=M, the transmitting light beam of the transmitting light source 3
Become the rectangular light beam that horizontal divergence angle is P °, the vertical angle of divergence is N ° after cylindrical lenses 11；As P=N, the transmitting
The transmitting light beam of light source 3 becomes the rectangular light beam that horizontal divergence angle is M °, the vertical angle of divergence is P ° after cylindrical lenses 11.
Emit light source 3 transmitting light beam the angle of divergence be less than setting shaping after transmitting light beam horizontal divergence angle or
When vertical divergence angle, the optical shaping structure includes two cylindrical lenses being arranged along the light direction of the launch, as P ＜ M, P ＜ N
When, the transmitting light beam of the transmitting light source 3 is P ° as horizontal divergence angle after the first cylindrical lenses 11, the vertical angle of divergence is
N ° of rectangular light beam becomes the rectangular light beam that horizontal divergence angle is M °, the vertical angle of divergence is N ° after the second cylindrical lenses 11；
It is M °, sends out vertically alternatively, the transmitting light beam in 3 source of the transmitting light becomes horizontal divergence angle after the first cylindrical lenses 11
The rectangular light beam that angle is P ° is dissipated, becomes the square that horizontal divergence angle is M °, the vertical angle of divergence is N ° after the second cylindrical lenses 11
Shaped light beam.
Emit light source 3 transmitting light beam the angle of divergence be more than setting shaping after transmitting light beam horizontal divergence angle or
It when vertical divergence angle, needs before shaping, the transmitting light beam to emitting light source 3 carries out angle of divergence adjustment, therefore, the transmitting light
Convergent lens 12 is additionally provided between source 3 and cylindrical lenses 11.As P ＞ M >=N, alternatively, when M ＜ P ＜ N, as Figure 2-3, institute
It includes the convergent lens 12 being arranged along the light direction of the launch and a cylindrical lenses 11, the transmitting light source to state optical shaping structure
Become the light beam that the angle of divergence is N ° after the 3 concentrated lens of transmitting light beam 12, becomes horizontal divergence angle after cylindrical lenses 11
For M °, the vertical angle of divergence be N ° rectangular light beam.
Certainly, in the specific implementation, even if the angle of divergence of the transmitting light beam of transmitting light source 3 is less than the hair after the shaping of setting
The horizontal divergence angle of irradiating light beam or vertical divergence angle, still can by convergent lens 12 into after line convergence through by cylindrical lenses
11 pairs of transmitting light beams carry out optical shaping and make its optical power detection.
When it is implemented, 3 preferred VCSEL laser emitters of the transmitting light source, the transmitting of the VCSEL laser emitters
The angle of divergence of light beam is 25 °, the cooperation based on the needs and photoelectric chip for being applicable in scene, it is preferred that the M is 60, and the N is
4, the transmitting camera lens 1 includes the convergent lens 12 set gradually along the light direction of the launch and a cylindrical lenses 11, the hair
Concentrated 12 post-concentration of lens of transmitting light beam for penetrating light source 3 is the conical light that horizontal divergence angle and the vertical angle of divergence are 4 °
Beam is 60 ° becoming horizontal divergence angle after cylindrical lenses 11, the rectangular light beam for the uniform light intensity that the vertical angle of divergence is 4 °.
The length direction of the columnar projections 111 of the cylindrical lenses 11 is vertical with horizontal direction.
The present invention also provides a kind of face battle array laser radars, as illustrated in figs. 5-7, including face battle array light trigger mechanism, face battle array
Light receiver mechanism, master control borad 4, the face battle array light trigger mechanism include transmitting light source 3, driving radiating circuit and the transmitting
Camera lens 1, Mian Zhen light receivers mechanism include face battle array photoelectric chip 5 and reception camera lens 6,4 joint face battle array light of the master control borad
Electrical chip 5, the face battle array photoelectric chip 5 connection driving radiating circuit.The face battle array photoelectric chip 5 can pass through its test zone
Selection adjustment driving radiating circuit transmission power, the parameters such as tranmitting frequency and launch time.The driving radiating circuit exists
According to the infrared light of the frequency transmitting setting wave band of setting under the instruction of face battle array photoelectric chip, it is preferred that the infrared light
For the infrared ray of 850nm wavelength, the transmitting light source 3 is preferably VCSEL vertical cavity surface emitting lasers, relative to LED light source
With small, the high advantage of energy efficiency.The quantity of the transmitting light source 3 is at least one, according to different range and hair
The power selection of light source 3 is penetrated, the quantity of transmitting light source 3 can be adjusted correspondingly, it is preferred that the transmitting light source 3 is eight
It is a, centered on the battle array photoelectric chip 5 of face, each 4 of left and right.
By emitting being equipped with for 1 knead dough battle array photoelectric chip 5 of camera lens so that the light beam that transmitting light source 3 is sent out is by hair
The uniform rectangular light beam for becoming and matching with face 5 field of view of receiver angle of battle array photoelectric chip penetrated after camera lens 1, uniform fold measured zone,
It is corresponded to after the barrier reflection in measured zone even into face battle array photoelectric chip 5 so that face battle array photoelectric chip 5 exports
Photosignal is relatively sharp accurate so that face battle array laser radar is more accurate to the barrier positioning in measured zone, improves
The ranging stability of laser radar, reduces assembling product difficulty, suitable for volume production.
It is described transmitting light source 3 transmitting light beam send out after through in test zone barrier reflect after, part the reflected beams
It is incident on face battle array photoelectric chip 5, in order to preferably filter the spuious light beam for being incident on face battle array photoelectric chip 5 so that be incident on face
Collimated stray light is not depleted after multiple reflections in the reflected beams on battle array photoelectric chip 5, reduces stray light
Interference improves the utilization ratio for receiving light beam, reduces computational load, and the reception camera lens 6 includes lens barrel 61 and is arranged in lens barrel
Receiving lens 62 on 61, the outside of the receiving lens 62, which is also sealedly connected with, receives diaphragm 63, and the reception diaphragm 63 supports
It is connected in receiving panel 81.The reception diaphragm 63 includes being received successively on 5 direction of battle array photoelectric chip along from receiving lens 62 to face
The diaphragm ontology of contracting, the diaphragm body interior are arranged with the spuious photo structure that disappears, the spuious photo structure that disappears be optics step or
Diffusing reflection face.Further, the surface of the optics step is provided with diffusing reflection surface layer.
In order to eliminate and emit the incident ray of 3 different-waveband of light source, the noise of face battle array photoelectric chip 5, the mirror are reduced
61 sealed bottoms of cylinder are connected with the first optical filter, and first optical filter is band pass filter, and the bandpass filter is only allowed
Light of the wavelength in 850 ± 30nm passes through；It is connected with the second optical filter in the receiving panel 81 or is coated with filter coating, described
Either filter coating only allows dominant wavelength station to pass through alternatively, second optical filter or filter in the light of 700nm or more to two optical filters
Light film only allows dominant wavelength station to pass through in 900nm light below.
It is occupied for the ease of the assembling and reduction structure space of Mian Zhen light receivers mechanism knead dough battle array light trigger mechanism, institute
It states launch driving circuit to be arranged on radiating circuit plate 2, installation through-hole 21, the transmitting is offered on the radiating circuit plate 2
Transmitting light source 3 is also associated on circuit board 2, the face battle array photoelectric chip 5 is connected on master control borad 4, the face battle array photoelectric chip 5
It is tightly connected and receives camera lens 6, the reception camera lens 6 is passed through from installation through-hole 21 and is connected in receiving panel 81.The reception
The structure that camera lens 6 is passed through from radiating circuit plate 2 both ensure that face battle array photoelectric chip 5 and transmitting light source 3 in the same plane, together
When the space overlapping of 2 knead dough battle array photoelectric chip 5 of radiating circuit plate and master control borad 4, while each circuit are reasonably utilized again
It is separated with heat-dissipating space between being gone back between plate, improves radiating efficiency.Preferably, at least one transmitting light source 3 and face battle array
Photoelectric chip 5 is on same horizontal linear, and the transmitting light beam sent out with raising transmitting light source 3 is through the barrier in measured zone
Reflection after be incident on face battle array photoelectric chip 5 probability.
In order to ensure that face battle array photoelectric chip 5 keeps a good operating status, the radiating circuit under temperature constant state
It is also associated with cooling fin 22 on plate 2, and offers light source through holes on the cooling fin 22 respectively, the transmitting light source 3 is fixed on
On radiating circuit plate 2, and stretched out from light source through holes.Preferably, the cooling fin 22 is graphite flake or graphene, and the heat dissipation
Piece 22 is whole to be covered on radiating circuit plate 2 close to the side of protecgulum 8, so that heat caused by transmitting light source 3 is fast in time
The export of speed prevents from, because heating is too fast inside the battle array laser radar of face, the photoelectric conversion efficiency of face battle array photoelectric chip 5 being caused to decline,
Measurement data is caused therefore to generate error.
In order to further increase the radiating efficiency of face battle array laser radar, face battle array laser radar further include protecgulum 8 and with
The rear cover 9 that protecgulum 8 is tightly connected, the protecgulum 8 and rear cover 9 are sealed connected together by sealing strip.The protecgulum 8 and rear cover
9 top is provided with radiating fin 101, and the upper radiating fin 101 is penetrated through along the front-rear direction of face battle array laser radar,
Preferably, and the upper radiating fin 101 along the face battle array laser radar front-rear direction be in wavy perforation.Upper radiating fin
101 be in wavy structure, meets thermodynamics, improves the radiating efficiency of protecgulum 8 and rear cover 9.
The lower part of the protecgulum 8 and rear cover 9 is provided with lower radiating fin 102, and the lower radiating fin 102 is along face battle array
The front-rear direction of laser radar penetrates through, it is preferred that the lower radiating fin 102 is in along the front-rear direction of face battle array laser radar
Linear penetrates through, and is conducive to the rapid cooling of bottom.102 matched structure of upper radiating fin 101 and lower radiating fin so that face
The heat that battle array laser radar generates can be exported quickly and uniformly, especially descend the structure of radiating fin 102, solved face battle array and swashed
Optical radar is bonded with host computer and the heat of bottom is caused not shed quickly when mounted so that the entirety of face battle array laser radar
It radiates uneven, affects the job stability of face battle array photoelectric chip 5.In order to adapt to a variety of measuring environments, protection face battle array laser
The safety and stability of radar, the face battle array laser radar have the level of protection of IP65, IP67.
The receiving panel 81 and cylindrical lenses 11 are sealedly connected on protecgulum 8.For face battle array laser radar and host computer
Plug and play, operation and use are more convenient, air plug plate 7 are also associated on the master control borad 4, the air plug plate 7 passes through setting
Air plug interface on rear cover 9 connects host computer.
In order to further increase the radiating efficiency of face battle array laser radar, radiating block is additionally provided on the master control borad 4, it is described
Thermal vias is offered on air plug plate 7, the radiating block is connected to across thermal vias on rear cover 9.It is connected to master control borad 4, boat
Radiating block on plate 7 and rear cover 9, the heat that will be generated on master control borad 4 and air plug plate 7, conduction rapidly and efficiently to rear cover 9
Outside, and in heat conduction to air or other cooling mechanisms.
The present invention also provides a kind of moveable platform, the moveable platform includes the transmitting camera lens.
The present invention also provides a kind of moveable platform, the moveable platform includes the face battle array laser radar.
The moveable platform can be the intelligent apparatus such as pilotless automobile, robot, unmanned plane.
In conclusion by the structure setting of cylindrical lenses, realize for emitting light beam uniform intensity, and carries out reliable
Collimation and diffusion, the integration of adaptability has been carried out to the shape of light beam, be adequately utilized transmitting light beam luminous energy, solve
The light scanning of mechanical laser radar is complicated, the low problem of refreshing frequency, and the commonly transmitting of face battle array laser radar
System emits the uniform problem of light beam light intensity, improves the measurement accuracy and measurement efficiency of product, improves the stability of product,
Assembling difficulty is reduced, product scale of mass production is convenient for.
By emitting being equipped with for camera lens knead dough battle array photoelectric chip so that the light beam that transmitting light source is sent out passes through transmitting mirror
Become the uniform divergent beams to match with face battle array photoelectric chip, uniform fold measured zone, by measured zone after head
It is corresponded to after barrier reflection even into face battle array photoelectric chip so that the relatively sharp standard of photosignal of face battle array photoelectric chip output
Really so that face battle array laser radar is more accurate to the barrier positioning in measured zone, and the ranging for improving laser radar is stablized
Property, assembling product difficulty is reduced, suitable for volume production.
The technical principle of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain the present invention's
Principle, and it cannot be construed to limiting the scope of the invention in any way.Based on the explanation herein, the technology of this field
Personnel would not require any inventive effort the other specific implementation modes that can associate the present invention, these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of face battle array laser radar, which is characterized in that including face battle array light trigger mechanism, Mian Zhen light receivers mechanism, master control
Plate, the face battle array light trigger mechanism include transmitting light source, driving radiating circuit and transmitting camera lens, the face battle array light receiver machine
Structure includes face battle array photoelectric chip and receives camera lens, the master control borad joint face battle array photoelectric chip, and the face battle array photoelectric chip connects
Drive radiating circuit.
2. battle array laser radar in face according to claim 1, which is characterized in that the reception camera lens includes that lens barrel and sealing are set
The receiving lens on lens barrel are set, the outer end of the lens barrel is sealedly connected with receiving panel, the receiving lens and receiving panel
Between be additionally provided with reception diaphragm, the reception diaphragm includes being shunk successively on battle array photoelectric chip direction along from receiving lens to face
Diaphragm ontology, the diaphragm body interior is arranged with the spuious photo structure that disappears, and the spuious photo structure that disappears is optics step or unrestrained
Reflecting surface.
3. battle array laser radar in face according to claim 1, which is characterized in that the lens barrel sealed bottom is connected with the first filter
Mating plate；And/or it is connected with the second optical filter in the receiving panel or is coated with filter coating.
4. according to claim 1-3 any one of them face battle array laser radar, which is characterized in that the launch driving circuit setting
On radiating circuit plate, installation through-hole is offered on the radiating circuit plate, transmitting light is also associated on the radiating circuit plate
Source, the face battle array photoelectric chip are connected on master control borad, and the face battle array photoelectric chip, which is tightly connected, receives camera lens, the reception mirror
Head is passed through from installation through-hole and is connected in receiving panel.
5. battle array laser radar in face according to claim 4, which is characterized in that be also associated with heat dissipation on the radiating circuit plate
Piece, and light source through holes are offered on the cooling fin respectively, the transmitting light source is fixed on radiating circuit plate, and logical from light source
Hole is stretched out.
6. battle array laser radar in face according to claim 4, which is characterized in that further include protecgulum and be tightly connected with protecgulum
Rear cover, the receiving panel and transmitting camera lens are sealedly connected on protecgulum.
7. battle array laser radar in face according to claim 6, which is characterized in that the top of the protecgulum and rear cover is provided with
Radiating fin, front-rear direction perforation of the upper radiating fin along face battle array laser radar；And/or the protecgulum and rear cover
Lower part be provided with lower radiating fin, front-rear direction perforation of the lower radiating fin along face battle array laser radar.
8. battle array laser radar in face according to claim 6, which is characterized in that air plug plate is also associated on the master control borad,
The air plug plate connects host computer by the way that the air plug interface covered after is arranged, and is additionally provided with radiating block on the master control borad, institute
State and offer thermal vias on air plug plate, the radiating block across thermal vias be connected to after cover.
9. face according to claim 1 battle array laser radar, which is characterized in that the transmitting camera lens includes：Along transmitting light source
The light direction of the launch setting optical shaping structure, the optical shaping structure includes at least one cylindrical lenses, the column
Length direction on shape lens close to the columnar projections of the side setting of transmitting light source is vertical with the transmitting diverging direction of light beam, institute
It states and has been smoothly connected link slot, the hair between each adjacent two columnar projections on the side of transmitting light source on cylindrical lenses
Irradiating light beam is after optical shaping structure in the uniform beam of the setting angle of divergence and shape.
10. a kind of moveable platform, which is characterized in that the moveable platform includes transmitting mirror as claimed in claim 9
Head；And/or battle array laser radar in face as described in one of claim 1-8.
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| CN201810326681.9A CN108318874B (en) | 2018-04-12 | 2018-04-12 | Area array laser radar and mobile platform |
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