CN206400093U - A kind of anallatic lens module and laser ranging system - Google Patents

A kind of anallatic lens module and laser ranging system Download PDF

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Publication number
CN206400093U
CN206400093U CN201621363508.9U CN201621363508U CN206400093U CN 206400093 U CN206400093 U CN 206400093U CN 201621363508 U CN201621363508 U CN 201621363508U CN 206400093 U CN206400093 U CN 206400093U
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China
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micro
structural
parasitic reflection
lens body
lens
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CN201621363508.9U
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Chinese (zh)
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郎欢标
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MIKOLTA OPTOELECTRONIC TECHNOLOGY Co Ltd
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MIKOLTA OPTOELECTRONIC TECHNOLOGY Co Ltd
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Abstract

The utility model is related to a kind of anallatic lens module and laser ranging system, and wherein anallatic lens module includes：Lens body；Lens body includes the first face and the second face, and the first face mutually deviates from the second face；First face is the one side towards optical signal transceiver module；Second face is the one side towards determinand；Between first face and optical signal transceiver module, it is provided with micro-structural and disappears parasitic reflection piece；Micro-structural disappears parasitic reflection piece including the first light penetrating region, the second light penetrating region and the 3rd parasitic reflection region；Wherein, optical signal transceiver module is sent the first face and/or the parasitic reflection region of veiling glare directive the 3rd of the second face reflection, are projected after being reflected through the 3rd parasitic reflection region from lens body.The utility model is disappeared parasitic reflection piece by setting micro-structural, the micro-structural disappear parasitic reflection piece parasitic reflection region will can be reflected by the crosstalk veiling glare of reflection from lens after projected again from the surface of lens, so as to play a part of eliminating light disturbance.

Description

A kind of anallatic lens module and laser ranging system
Technical field
The present invention relates to laser ranging technique field, more particularly to a kind of anallatic lens module and laser ranging system.
Background technology
This part to reader introduce may be related to various aspects of the invention background technology, it is believed that can be carried to reader The background information being provided with, so as to contribute to reader to more fully understand various aspects of the invention.It is, therefore, to be understood that our department Point explanation be for the above purpose, and not to constitute admission of prior art.
Due to the fast development of artificial intelligence, unmanned plane and smart mobile phone, more and more higher is proposed to LDMS Requirement, traditional LDMS may not apply in these intelligence systems completely because its volume is larger, heavier-weight Face, and traditional laser ranging technique, by measuring the light quantity of reflected light come estimated distance, the disadvantage of this method is The color of testee and surface influence very big to measurement accuracy., for artificial intelligence, unmanned plane and smart mobile phone Its LDMS is asked to be desirably integrated on chip (i.e. COB, chip on board formulas), this is to LDMS Transmitter module, receiving module, optical element propose very harsh requirement.The LDMS of integration module can be extensive Laser assisted auto-focusing, the proximity transducer of touch-screen, tablet personal computer for artificial intelligence, unmanned plane and smart mobile phone User's detection, the mobile object detection of artificial intelligence, the low-power individual of one-dimensional gesture recognition, robot there is sensor (Robotic Low Power User Presence Detector)；It is with a wide range of applications in industry 4.0.
ST (STMicw Electronics) was proposed a kind of biography for being based on flight time (Time-of-Flight) technology in 2013 Sensor, is called FlightSenseTMSensor, it can be irradiated to testee and then reflection with precise measuring line from sensor To the time used in sensor, distance between the two is calculated with this.This flight time (Time-of-Flight) formula method can Ignore reflection light quantity, only calculate light and complete the time used in round trip.This is flight time (Time-of-Flight) technology It is used in first in small size design, space can be integrated to and limited in most stringent of smart mobile phone.The breakthrough of this technology The performance of existing proximity test sensor is greatly improved, the current smart mobile phone of solution contacts the broken string caused with user's face and asked Topic, can also realize the human-computer interaction mode of innovation.The system is by infrared transmitter, very fast photodetector and microprocessor (CPU) Composition, wherein, infrared transmitter is used to launch light pulse, and detector receives the light pulse reflected from testee, micro- place Manage device and calculate pulse launch time with returning to the difference of detection time.The isometric side explosive view of the sensor module as shown in Figure 1, Profile is as shown in Fig. 2 be that sending and receiving sensor module 1, top are planar lens 2 below.Described sending and receiving sensor module 1, its infrared emission light source 11 is 940nm near-infrared vertical cavity launching semiconductor laser (VCSEL), and it launches the circle of light beam Cone angle is θ 1, and it is 35 °；Its receiving terminal is an infrared receiver sensor 12, and its light beam coning angle θ 2 received is 25 °；It is red Outer transmitting light source 11 and infrared remote receiver 12 link together with the microprocessor with distance calculating and debugging functions.It is surveyed Measuring principle is：It is irradiated to testee and then reflected back into infrared by measuring the light launched from infrared emission light source 11 Time used in receiver 12, the distance that testee 3 arrives sending and receiving sensor module 1 is calculated with this.
Lens 2 described in the sensor module, it is infrared transmission, the planar lens of visible absorption, or saturating Infrared transmission, the film of visible absorption are plated on the plastic lens of bright material.It has an obvious defect, is exactly veiling glare Interference is extremely serious, because lens 2 are planar lens, the light sent from infrared emission light source 11, easily in planar lens Upper and lower surfaces carry out part reflection, form crosstalk veiling glare 4, as shown in figure 3, these crosstalk veiling glares 4 enter infrared receiver biography After sensor 12, noise is just formed, causes reception poor TV signal clear, detection range decline.Usual prior art eliminates these and made an uproar The method of sound is that a second infrared receiver sensor for being specifically used to detect veiling glare is placed in sensor module module more 13, it collects the background that noise signal is used for doing signal transacting.The signal that infrared receiver sensor 12 is received subtracts this and made an uproar again The background of message number, the exactly real signal fired back from testee.
The scheme of above-mentioned elimination light disturbance needs to set up the second infrared receiver sensor of detection veiling glare, so as to add The cost of distance measuring sensor module, due to needing extra collection noise signal to be used as the background of signal transacting, adds letter Number processing cost, while slowed down detection speed.In addition, because the planar lens 2 of sending and receiving sensor module 1 and top is adopted With two planar structures arranged in parallel, the appearance looks elegant degree of lens 2 is more dull, is not favored by user.
The content of the invention
The technical problems to be solved by the invention be the defect for prior art there is provided a kind of anallatic lens module, from And on the premise of signal transacting cost is not increased, eliminate the influence to ranging of crosstalk veiling glare.
For this purpose, the present invention proposes a kind of anallatic lens module, including：Lens body；
The lens body includes the first face and the second face, and first face mutually deviates from second face；
First face is the one side towards optical signal transceiver module；
Second face is the one side towards determinand；
Between first face and the optical signal transceiver module, it is provided with micro-structural and disappears parasitic reflection piece；
The micro-structural disappears parasitic reflection piece including the first light penetrating region, the second light penetrating region and the 3rd veiling glare Reflector space；
The light that the optical signal transceiver module is sent sequentially passes through the first light penetrating region, the lens body Directive determinand surface afterwards, the light after being reflected through object under test sequentially passes through the lens body, second light and passed through Enter the optical signal transceiver module behind region；
Wherein, the described in the veiling glare directive of the optical signal transceiver module is sent first face and/or the reflection of the second face Three parasitic reflection regions, are projected after being reflected through the 3rd parasitic reflection region from the lens body.
Optionally, the first light penetrating region and the second light penetrating region are void region；
First face of the lens body is provided with boss；The boss is embedded in the void region.
Optionally, the surface of the boss is provided with film layer or the infrared printing ink layer of infrared transmission and visible absorption.
Optionally, the material of the lens body is the plastic material of infrared transmission and visible absorption.
Optionally, the 3rd parasitic reflection region includes a variety of colors coating, the light for reflecting various different wave lengths Line.
Optionally, the 3rd parasitic reflection region is coated with reflectance coating, the light for reflecting various different wave lengths.
Optionally, the 3rd parasitic reflection region is received close to the surface of the lens body or close to the optical signal Send out module surface be provided with parasitic reflection micro-structural, the parasitic reflection micro-structural be used for by by the lens body reflect it is miscellaneous Light is projected from the lens body again after multiple reflections.
Optionally, the parasitic reflection micro-structural is the concave and convex stripe being distributed in a ring.
Optionally, the longitudinal cross-section of the parasitic reflection micro-structural is zigzag, the phase of the recess of the concave and convex stripe Angle between adjacent two inclined-planes is 70 ° -170 °.
Optionally, the angle is 90 °.
Optionally, the parasitic reflection micro-structural is micro-prism array, rectangular pyramid array or circular cone prism array.
Optionally, the parasitic reflection micro-structural is bead or quartz ball coating.
Optionally, a diameter of 3-5 microns of the bead or quartz ball.
Optionally, the parasitic reflection micro-structural is the array that multiple hemispherical lens are spliced.
Optionally, the lens body and the micro-structural parasitic reflection piece that disappears are adhesively fixed.
Optionally, the lens body and the micro-structural parasitic reflection piece that disappears are welded and fixed.
Optionally, the lens body disappears the injection of parasitic reflection piece integrally with the micro-structural.
Optionally, the outer rim in the 3rd parasitic reflection region is provided with groove；
The groove is used for filling adhesive, so that the micro-structural disappears, parasitic reflection piece is combined into the lens body One.
Optionally, the lens body and the micro-structural parasitic reflection piece that disappears are integral type shaping；
The first light penetrating region, the second light penetrating region and the 3rd parasitic reflection region are respectively positioned on the lens First face of body.
Optionally, the first face of the lens body is plane；
The surface of the first light penetrating region and the second light penetrating region is provided with infrared printing ink layer.
Optionally, the first face of the lens body is provided with infrared transmission and the film layer of visible absorption or infrared oil Layer of ink.
Optionally, the 3rd parasitic reflection region is black close to the outer surface of the optical signal transceiver module.
Optionally, the lens body and the micro-structural parasitic reflection piece that disappears are adhesively fixed by transparent optical cement.
On the other hand, the embodiment of the present invention additionally provides a kind of laser ranging system, including above-mentioned described in any one Anallatic lens module.
Optionally, the device also includes optical signal transceiver module；The optical signal transceiver module includes transmitting light source and connect Receiving end；The light that the transmitting light source is sent sequentially passes through directive after the first light penetrating region, the lens body and treated Survey thing surface, it is laggard that the light after being reflected through object under test sequentially passes through the lens body, the second light penetrating region Enter the receiving terminal.
Optionally, the transmitting light source is
Wavelength 940nm near-infrared vertical cavity launching semiconductor laser, or
Wavelength 940nm near-infrared luminous diode.
Optionally, the lighting angle of the near-infrared luminous diode is distributed for 120 ° of the primary type of youth.
Optionally, the perforation hole of the transmitting light source is provided with the first concentrating element；First concentrating element is used for institute The light beam that sends of transmitting light source is stated to be converged；
The entrance aperture of the receiving terminal is provided with the second concentrating element；Second concentrating element is used to receive described in directive The light beam at end is converged.
Optionally, the first light penetrating region and the second light penetrating region are void region；
First concentrating element and second concentrating element disappear the vacancy section of parasitic reflection piece through the micro-structural Domain is embedded in the lens body.
Optionally, first concentrating element and second concentrating element are composite reflector or Fresnel lens.
Optionally, it is 35 degree that the light beam of the transmitting light source outgoing forms coning angle after being focused on through the composite reflector Light beam；
The light beam of receiving terminal described in the directive forms the light beam that coning angle is 25 degree after being focused on through the composite reflector.
Anallatic lens module and laser ranging system that the present invention is provided, by lens body close to optical signal transceiver mould The side of block sets micro-structural to disappear parasitic reflection piece, and the micro-structural disappears the parasitic reflection region of parasitic reflection piece can be by by lens The crosstalk veiling glare of theme reflection is projected from the surface of lens body again after being reflected, so as to play elimination light disturbance Effect, improve ranging accuracy.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the accompanying drawing used required in technology description to make one simply to introduce, it should be apparent that, drawings in the following description are this hairs Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root Other accompanying drawings are obtained according to these accompanying drawings.In the accompanying drawings：
The isometric side explosive view for the distance measuring sensor module that Fig. 1 provides for prior art；
The diagrammatic cross-section for the distance measuring sensor module that Fig. 2 provides for prior art；
Fig. 3 is the principle schematic for forming crosstalk veiling glare in the prior art；
Fig. 4 is that explosive view is faced in the isometric side for the laser ranging system that the embodiment of the present invention 1 is provided；
Fig. 5 is that the isometric side bottom for the laser ranging system that the embodiment of the present invention 1 is provided regards explosive view；
Fig. 6 A- Fig. 6 E are the view of the different directions for the lens body that the embodiment of the present invention 1 is provided；
Fig. 7 A- Fig. 7 E be the embodiment of the present invention 1 provide micro-structural disappear parasitic reflection piece different directions view；
Fig. 8 is that the laser ranging system that the embodiment of the present invention 1 is provided disappears the principle schematic of veiling glare；
Fig. 9 is that explosive view is faced in the isometric side for the laser ranging system that the embodiment of the present invention 2 is provided；
Figure 10 is that the isometric side bottom for the laser ranging system that the embodiment of the present invention 2 is provided regards explosive view；
Figure 11 is the diagrammatic cross-section for the laser ranging system that the embodiment of the present invention 2 is provided；
Figure 12 is that explosive view is faced in the isometric side for the laser ranging system that the embodiment of the present invention 3 is provided；
Figure 13 is the diagrammatic cross-section for the laser ranging system that the embodiment of the present invention 3 is provided；
Figure 14 is that explosive view is faced in the isometric side for the laser ranging system that the embodiment of the present invention 4 is provided；
Figure 15 is that the isometric side bottom for the laser ranging system that the embodiment of the present invention 4 is provided regards explosive view；
Figure 16 is the diagrammatic cross-section for the laser ranging system that the embodiment of the present invention 4 is provided；
Figure 17 is that explosive view is faced in the isometric side for the laser ranging system that the embodiment of the present invention 5 is provided；
Figure 18 is that the isometric side bottom for the laser ranging system that the embodiment of the present invention 5 is provided regards explosive view；
Figure 19 is the diagrammatic cross-section for the laser ranging system that the embodiment of the present invention 5 is provided；
Figure 20 is that explosive view is faced in the isometric side for the laser ranging system that the embodiment of the present invention 6 is provided；
Figure 21 is that the isometric side bottom for the laser ranging system that the embodiment of the present invention 6 is provided regards explosive view；
Figure 22 is the diagrammatic cross-section for the laser ranging system that the embodiment of the present invention 6 is provided；
Figure 23 is that explosive view is faced in the isometric side for the laser ranging system that the embodiment of the present invention 7 is provided；
Figure 24 is that the isometric side bottom for the laser ranging system that the embodiment of the present invention 7 is provided regards explosive view；
Figure 25 is the diagrammatic cross-section for the laser ranging system that the embodiment of the present invention 7 is provided；
Figure 26 is that explosive view is faced in the isometric side for the laser ranging system that the embodiment of the present invention 8 is provided；
Figure 27 is that the isometric side bottom for the laser ranging system that the embodiment of the present invention 8 is provided regards explosive view；
Figure 28 is the diagrammatic cross-section for the laser ranging system that the embodiment of the present invention 8 is provided；
Figure 29 A- Figure 29 E be the embodiment of the present invention 9 provide micro-structural disappear parasitic reflection piece different directions view；
Figure 30 A- Figure 30 E be the embodiment of the present invention 10 provide micro-structural disappear parasitic reflection piece different directions view；
Figure 31 A- Figure 31 E be the embodiment of the present invention 11 provide micro-structural disappear parasitic reflection piece different directions view；
Figure 32 is the principle schematic that parasitic reflection of embodiment of the present invention micro-structural reflects veiling glare；
Figure 33 is the diagrammatic cross-section for the laser ranging system that the embodiment of the present invention 12 is provided；
Figure 34 is the diagrammatic cross-section for the laser ranging system that the embodiment of the present invention 13 is provided.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.Below It embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The invention provides a kind of anallatic lens module, including：Lens body；
Lens body includes the first face and the second face, and the first face mutually deviates from the second face；
First face is the one side towards optical signal transceiver module；
Second face is the one side towards determinand；
Between first face and optical signal transceiver module, it is provided with micro-structural and disappears parasitic reflection piece；
Micro-structural disappears parasitic reflection piece including the first light penetrating region, the second light penetrating region and the 3rd parasitic reflection Region；
The light that optical signal transceiver module is sent sequentially passes through directive determinand after the first light penetrating region, lens body Surface, the light after being reflected through object under test sequentially passes through lens body, the laggard optical signal transmitting-receiving in the second light penetrating region Module；
Wherein, optical signal transceiver module is sent the first face and/or the parasitic reflection area of veiling glare directive the 3rd of the second face reflection Domain, is projected after being reflected through the 3rd parasitic reflection region from lens body.
The anallatic lens module that the present invention is provided, by setting micro- close to the side of optical signal transceiver module in lens body Structure disappears parasitic reflection piece, and the micro-structural disappears the crosstalk that the parasitic reflection region of parasitic reflection piece will can be reflected by lens theme Veiling glare is projected from the surface of lens body again after being reflected, and so as to play a part of eliminating light disturbance, is improved and is surveyed Away from accuracy.
Below the anallatic lens module that the specific embodiment of the invention is provided is deployed to be described in detail.The embodiment of the present invention with First face of lens body is under, and the second face illustrates anallatic lens module provided in an embodiment of the present invention upper.I.e. the first face claims For the lower surface of lens body, the second face is referred to as the upper surface of lens body.Wherein, the first face of lens body is upper, and second Also the technical scheme that the present invention is provided can be realized when face is under.
Embodiment 1
The embodiment of the present invention 1 provides a kind of anallatic lens module, includes the laser ranging system of the anallatic lens module Isometric side face explosive view as shown in figure 4, its isometric side bottom regard explosive view as shown in figure 5, the anallatic lens module include it is saturating Mirror body 130 and the micro-structural being arranged between lens body 130 and optical signal transceiver module 110 disappear parasitic reflection piece 120. First face of lens body 130 is towards optical signal transceiver module 110；Second face of lens body 130 is towards determinand.
The view of the different directions of lens body 130 is as shown in Fig. 6 A- Fig. 6 E.Wherein, Fig. 6 A facing for lens body 130 Figure, the side view that Fig. 6 B are the top view of lens body 130, Fig. 6 C are lens body 130, Fig. 6 D are the bottom of lens body 130 View, Fig. 6 is the isometric side view of lens body 130.First face of lens body 130 is just to optical signal transceiver module 110 Transmitting light source 111 and receiving terminal (such as infrared receiver sensor 112) surface position be provided with two it is downward projection of First boss 131 and second boss 132.The lower surface of first boss 131 and second boss 132 is coated with infrared transmission, visible The film of light absorbs, or infrared printing ink (IR INK) can also be directly printed.Or the material of monolithic lens body 130 can be with Using the black plastic material of infrared transmission, visible absorption.The lens body 130 allows lower section to launch light source 111 is sent, light Beam angle is θ 1 infrared laser, after first boss 131, can be passed through with unobstructed, and is irradiated to testee, simultaneously The light reflected from testee is allowed to be then incident on infrared receiver sensing without being blocked by second boss 132 In device 112, signal transacting and calculating are carried out.Under this specific embodiment preferably first boss 131 and second boss 132 Surface directly prints infrared printing ink (IR INK).
Micro-structural disappears parasitic reflection piece 120, and the view of its different directions is as shown in Fig. 7 A-7E.Wherein, Fig. 7 A are micro-structural Front view, Fig. 7 B of the parasitic reflection that disappears piece 120 are that micro-structural disappears that to be that micro-structural disappears miscellaneous by the top view of parasitic reflection piece 120, Fig. 7 C The side view of light-reflecting sheet 120, Fig. 7 D are that micro-structural disappears the bottom view of parasitic reflection piece 120, and Fig. 7 E are that the micro-structural veiling glare that disappears is anti- Penetrate the isometric side view of piece 120.The micro-structural disappear parasitic reflection piece 120 can be use with a variety of colors plastic cement material, Do not make plated film, so that the 3rd parasitic reflection region can include a variety of colors coating, play the light of reflection different wave length Effect.Disappear the 3rd parasitic reflection region of the top of parasitic reflection piece 120 of the micro-structural has parasitic reflection micro-structural 123, and this is miscellaneous Light reflection micro-structure 123 can be the concave and convex stripe being distributed in a ring, such as can be the convex stripe for being carved with circular distribution (will be understood the annular distribution of other shapes can also realize, such as rectangle, trapezoidal or other polygons), for example It can be micro-structural CD (compact disk) line similar to laser disc line shape.The longitudinal cross-section of parasitic reflection micro-structural 123 For zigzag, the wherein angle between the two neighboring inclined-plane of the recess of concave and convex stripe is 70 °~170 °.As shown in figure 32, Angle theta between the adjacent bevel surfaces of the recess of CD lines longitudinal section section profile line is between 70 °~170 °.Parasitic reflection is micro- The veiling glare and outside that structure 123 partly reflects back the upper and lower surface of lens body 130 (i.e. the first face and the second face) are come in Visible ray along the slant reflection of left and right two in CD lines twice (or more), upward and through the upper table of lens body 130 Face is projected, and plays a part of the veiling glare that disappears.Micro-structural disappears parasitic reflection piece 120 including the first light penetrating region 121 and the second light Line penetrating region 122, this two regions could be arranged to void region, and can allow the first of the lower section of lens body 130 Boss 131 is embedded in the first light penetrating region 121, and second boss 132 is embedded in the second light penetrating region 122.
Specifically, the principle that the anallatic lens module that the embodiment of the present invention 1 is provided eliminates veiling glare is as shown in Figure 8.Assuming that O points For the equivalent luminous point of the transmitting light source 111 of optical signal transceiver module 110, light OP is when through lens body 130, in lens The upper and lower surface of body 130 has least a portion of light and produces part reflection, forms veiling glare, it is assumed that the veiling glare light is PQ, PQ The position of the one of inclined-plane Q points of CD lines is incided, veiling glare is after first slant reflection of CD lines, and its reflection light is QR, then by second slant reflection of CD lines, reflection light is RS, and the veiling glare after reflection again passes by lens body 130 upwards, Surface is projected from it.For parasitic reflection micro-structural 123 longitudinal section section profile line be 90 ° of angles when CD lines, such as scheme Shown in 32, the veiling glare direction after its two secondary reflection can be projected along backtracking, then from the upper surface of lens body 130, for miscellaneous The angle of the longitudinal section section profile line of light reflection micro-structure 123 is the CD lines of other angles, the light Bu Yanyuan roads after reflection Return, it deviates an angle and projected from the upper surface of lens body 130.Therefore it can be set according to demand with difficulty of processing The angle of CD line Xray films lines, when veiling glare is more, it is sharp that can set CD lines longitudinal section section profile wire clamp angle Angle, allows veiling glare can be with multiple reflections inside parasitic reflection micro-structural 123.
Lens body 130 and micro-structural disappear parasitic reflection piece 120, are two-piece unit formula structure, both can independently divide Processing procedure is opened, can be adhesively fixed after both complete using the method for a glue bond is combined into one.For lens body 130 appearance profile and micro-structural disappears the CD line micro-structurals of parasitic reflection piece 120, and micro-structural disappears the veiling glare of parasitic reflection piece 120 The split type structure of both reflection micro-structure 123 and two void regions, parasitic reflection micro-structural 123 is without plated film, by setting The function for the veiling glare that disappears can be realized by putting the parasitic reflection micro-structural 123 with retro-reflection function, and another first light passes through area The two void regions (emergent light region and sensing region) of the light penetrating region 122 of domain 121 and second are without deliberately Positioning, it is possible to directly in the lower surface printing infrared printing ink (IR INK) of first boss 131 and second boss 132, Bu Huiyin Misoperation is printed onto overseas region.Due to lens body 130 and micro-structural disappear parasitic reflection piece 120 both can be independent Separate processing procedure to produce, combine its glue sticking after the completion of both components, integrated artistic simplifies very much, and yield is very Height, is easy to a large amount of productions and promotes.
Embodiment 2
The embodiment of the present invention 2 provides another anallatic lens module, is with the difference of above-described embodiment 1, micro- Disappear the 3rd parasitic reflection region of parasitic reflection piece 220 of structure can be coated with reflectance coating, micro-structural disappear parasitic reflection piece 220 with thoroughly Can be integral using the Combination of Methods of ultrasonic bonding between mirror body 230.
The embodiment of the present invention 2 provide anallatic lens module, including the anallatic lens module laser ranging system etc. Axle side faces explosive view as shown in figure 9, its isometric side bottom regards explosive view as shown in Figure 10, and the anallatic lens module includes lens sheet Body 230 and the micro-structural being arranged between lens body 230 and optical signal transceiver module 210 disappear parasitic reflection piece 220.Thoroughly First face of mirror body 230 is towards optical signal transceiver module 210；Second face of lens body 230 is towards determinand.
First face of lens body 230 is just sensed to the transmitting light source 211 and infrared receiver of optical signal transceiver module 210 Position directly over device 212 is provided with two downward projection of first boss 231 and second boss 232.First boss 231 And the lower surface of second boss 232 is coated with the film of infrared transmission, visible absorption, it can also directly print infrared printing ink (IR INK).Or the material of monolithic lens body 230 can use infrared transmission, the black plastic material of visible absorption. Infrared laser that transmitting light source 211 is sent, that beam angle is θ 1, after first boss 231, can be passed through with unobstructed, Testee is irradiated to, while allowing the light that reflects from testee can be without being blocked by second boss 232, then Incide in infrared receiver sensor 212, carry out signal transacting and calculating.The present embodiment preferably first boss 231 and second The infrared printing ink of printing directly below (IR INK) of boss 232.
Micro-structural disappear parasitic reflection piece 220 can be plastic material, the micro- knot of parasitic reflection in its 3rd parasitic reflection region The surface of structure 223 can be coated with reflectance coating, the light for reflecting different wave length.It is same as Example 1, parasitic reflection micro-structural 223 shape can be micro-structural CD (compact disk) line similar to laser disc line shape for being carved with circular distribution, The angle of CD lines longitudinal section section profile line is between 70 °~170 °, and it reflects back the upper and lower surface part of lens body 230 Veiling glare and the visible ray come in of outside along the slant reflection of left and right two in CD lines twice (or more), upward and through The upper surface of lens body 230 is projected, and plays a part of the veiling glare that disappears.Micro-structural disappear parasitic reflection piece 220 including the first light it is saturating The light penetrating region 222 of region 221 and second is crossed, this two regions could be arranged to void region, and can allow lens The first boss 231 of the lower section of body 230 is embedded in the first light penetrating region 221, and second boss 232 is embedded in the second light and passes through area Domain 222.
The principle of its elimination veiling glare of the anallatic lens module that the embodiment of the present invention 2 is provided is identical with specific embodiment 1. Specifically retro-reflection can be used as by CD lines during 90 ° of the angle of the longitudinal section section profile line of parasitic reflection micro-structural 223 Device, allows veiling glare to produce two secondary reflections in the inside of CD lines, the veiling glare after reflection is toward opposite direction again from lens body 230 Project upper surface.
Lens body 230 and micro-structural disappear parasitic reflection piece 220, can be split type structure, micro-structural disappear it is miscellaneous The CD lines of light-reflecting sheet 220 are after plating reflectance coating, then method by ultrasonic bonding is combined into one with lens body 230 Body, as shown in Figure 11 profile, lens body 230 and micro-structural disappear between parasitic reflection piece 220 to use supersonic welding The sealing wire 224 connect.The disappear plated film of parasitic reflection piece 220 of micro-structural is served as a contrast without processing procedures such as complicated strip and being printed without bottom surface Base oil ink processing procedure, the parasitic reflection that disappears in the 3rd parasitic reflection region can be just realized with conventional processing procedure, and another first light is passed through The two void regions (emergent light region and sensing region) of the light penetrating region 222 of region 221 and second are without quarter Meaning positioning, it is possible to, will not directly in the lower surface printing infrared printing ink (IR INK) of first boss 231 and second boss 232 Because misoperation is printed onto overseas region, both pass through ultrasonic wave after the completion of can independently separating processing procedure production, both components Together, integrated artistic simplifies the Combination of Methods of welding very much, and yield is very high, is easy to a large amount of productions and promotes.
Embodiment 3
The embodiment of the present invention 3 provides a kind of anallatic lens module, as different from Example 2, and the micro-structural veiling glare that disappears is anti- Piece 320 is penetrated, it is after plating reflectance coating, then together with method by extra quality burying forming is molded with lens body 330.
A kind of anallatic lens module that the embodiment of the present invention 3 is provided, includes the laser ranging system of the anallatic lens module Isometric side face explosive view as shown in figure 12, its profile as shown in Figure 13, the anallatic lens module include lens body 330 and the micro-structural that is arranged between lens body 330 and optical signal transceiver module 210 disappear parasitic reflection piece 220.Lens sheet First face of body 330 is towards optical signal transceiver module 210；Second face of lens body 330 is towards determinand.
First face of lens body 330 is just sensed to the transmitting light source 311 and infrared receiver of optical signal transceiver module 310 Position directly over device 312 is provided with downward projection of first boss 331 and second boss 332.First boss 331 and The lower surface of two boss 332 is coated with the film of infrared transmission, visible absorption, and it can also directly print infrared printing ink (IR INK).Or the material of monolithic lens body 330 can use infrared transmission, the black plastic material of visible absorption.Transmitting Light source 311 is sent, beam angle is θ 1 infrared laser, after first boss 331, can be passed through with unobstructed, is irradiated To testee, while allowing the light reflected from testee can be then incident without being blocked by second boss 332 Into infrared receiver sensor 312, signal transacting and calculating are carried out.The present embodiment preferably first boss 331 and second boss 332 infrared printing ink of printing directly below (IR INK).
Micro-structural disappear parasitic reflection piece 320 can be plastic material, the micro- knot of parasitic reflection in its 3rd parasitic reflection region The surface of structure 323 is coated with reflectance coating 323.Shape in parasitic reflection micro-structural 323 can be the class for being carved with circular distribution Be similar to micro-structural CD (compact disk) line of laser disc line shape, the angle of its longitudinal section section profile line of CD lines 70 °~ Between 170 °, the visible ray that its veiling glare for reflecting back the upper and lower surface part of lens body 330 and outside are come in along The slant reflection of left and right two of CD lines twice (or more), upward and through lens body 330 upper surface project, play disappear it is miscellaneous The effect of light.Micro-structural disappears parasitic reflection piece 320 including the first light penetrating region 321 and the second light penetrating region 322, this Individual two regions could be arranged to void region, and the first boss 331 of the lower section of lens body 330 can be allowed to be embedded in first Light penetrating region 321, second boss 332 is embedded in the second light penetrating region 322.
The principle that the embodiment of the present invention 3 eliminates veiling glare is identical with specific embodiment 1.Parasitic reflection can specifically be passed through CD lines during 90 ° of the angle of the longitudinal section section profile line of micro-structural 323 allow veiling glare in the inside of CD lines as Reflex Reflector Two secondary reflections are produced, the veiling glare after reflection is projected from the upper surface of lens body 330 again toward opposite direction.
Lens body 330 and micro-structural disappear parasitic reflection piece 320.It is moulded in one by the method for extra quality burying forming Rise, i.e. micro-structural disappears parasitic reflection piece 320, first plated on the surface of parasitic reflection micro-structural 323 in its 3rd parasitic reflection region Reflectance coating, be then embedded in the mould of lens body 330 again injection be molded with lens body 330 together with.Micro-structural disappears The plated film of parasitic reflection piece 320 uses conventional processing procedure without processing procedures such as complicated strips and without bottom surface printed substrates ink processing procedure The parasitic reflection that disappears in the 3rd parasitic reflection region can be just realized, the another light of first light penetrating region 321 and second is passed through The two void regions (emergent light region and sensing region) of region 322 are without deliberately positioning, it is possible to directly the One boss 331 and the lower surface of second boss 332 printing infrared printing ink (IR INK), will not be printed onto overseas because of misoperation Region.
Embodiment 4
The embodiment of the present invention 4 provides another anallatic lens module, includes the laser ranging dress of the anallatic lens module Explosive view is faced as shown in figure 14 in the isometric side put, and its isometric side bottom regards explosive view as shown in figure 15, its profile such as Figure 16 institutes Show.The anallatic lens module includes lens body 430 and is arranged between lens body 430 and optical signal transceiver module 410 Micro-structural disappear parasitic reflection piece 420.First face of lens body 430 is towards optical signal transceiver module 410；Lens body 430 The second face towards determinand.
First face of lens body 430 can be plane, that is, be not provided with boss.The micro-structural parasitic reflection piece 420 that disappears also may be used Not do hollow processing, but micro-structural is disappeared infrared hair of the surface of parasitic reflection piece 420 just to optical signal transceiver module 410 Penetrate position, corresponding transmitting light beam and the diameter for receiving light beam coning angle size of light source 411 and infrared remote receiver 412 Make printing infrared printing ink at plane, plane in region (i.e. the first light penetrating region 421 and the second light penetrating region 422) (IR-ink), other positions (i.e. the 3rd parasitic reflection region) upper surface then forms parasitic reflection micro-structural 423, is such as carved with ring Reflectance coating is plated on the trickle CD lines of shape, the surface of parasitic reflection micro-structural 423 again, then with transparent optical glue and lens body 430 combine.
It is with the difference of specific embodiment 1~3, the lower surface of lens body 430 is flat, and it is just believed light Position directly over the infrared emission light source 411 and infrared receiver sensor 412 of number transceiver module 410 is not set downwards Prominent boss.The lower surface of lens body 430 is coated with the film of infrared transmission, visible absorption, and it can also directly print red Outer ink (IR INK).Or the material of monolithic lens body 430 can use infrared transmission, the black plastic of visible absorption Material.Infrared emission light source 411 is sent, beam angle is θ 1 infrared laser, can be with without hindrance after lens body 430 Passing through for gear, is irradiated to testee, while allowing the light reflected from testee can be without being blocked by lens sheet Body 430, is then incident in infrared receiver sensor 412, carries out signal transacting and calculating.
The micro-structural parasitic reflection piece 420 that disappears can be plastic material, and it does not do hollow processing, but micro-structural is disappeared veiling glare The upper surface of reflector plate 420 is just to infrared emission light source 411 and the first light penetrating region 421 of infrared remote receiver and the second light The diameter of line penetrating region 422, corresponding transmitting light beam and reception light beam coning angle size, which is made, prints red at plane, plane Outer ink (IR-ink), other positions are the trickle CD lines that the 3rd parasitic reflection region upper surface is then carved with annular, CD line tables Reflectance coating is plated in face again, and the angle of CD lines longitudinal section section profile line is between 70 °~170 °, and it is by following table in lens body 430 The visible ray that the veiling glare and outside that face part is reflected back are come in along the slant reflection of left and right two in CD lines twice (or with On), projected upward and through the upper surface of lens body 430, play a part of the veiling glare that disappears.The parasitic reflection in addition, micro-structural disappears Piece 420 is just to infrared emission light source 411 and the first light penetrating region lower surface 424 of infrared remote receiver 412 and the second light The diameter of line penetrating region lower surface 425, corresponding transmitting light beam and reception light beam coning angle size is made at plane, plane Infrared printing ink (IR-ink) is printed, other positions are that the 3rd parasitic reflection region lower surface 426 is plane, and extinction is painted on surface Black.
The principle that the embodiment of the present invention 4 eliminates veiling glare is identical with specific embodiment 1.It allows veiling glare in CD line micro-structurals Internal left and right inclined-plane produces two secondary reflections, and the veiling glare after reflection is toward opposite direction again from the upper surface of lens body 430 Project.
Lens body 430 and micro-structural the parasitic reflection piece 420 that disappears can be split type structure, and the micro-structural veiling glare that disappears is anti- The CD lines for penetrating piece 420 are integrally formed after plating reflectance coating, then with transparent optical glue with the gluing of lens body 430, are such as schemed Shown in 16 profile, the micro-structural upper surface black portions of parasitic reflection piece 420 that disappear represent transparent optical glue in figure.Micro- knot Structure disappear parasitic reflection piece 420 plated film without processing procedures such as complicated strips and without bottom surface printed substrates ink processing procedure, with routine Processing procedure can just realize the parasitic reflection that disappears in the 3rd parasitic reflection region, and another micro-structural disappears parasitic reflection piece 420 just to infrared Launch the first light penetrating region lower surface 424 and the second light penetrating region following table of light source 411 and infrared remote receiver 412 Face 425, can directly print infrared printing ink (IR INK), the parasitic reflection area lower surface 426 of other positions the 3rd then for plane simultaneously Paint the black of extinction.Lens body 430 and micro-structural disappear parasitic reflection piece 420 can independently separately processing procedure production, two Combined after the completion of component by transparent optical glue, integrated artistic simplifies very much, and yield is very high, is easy to a large amount of lifes Production and popularization.
Embodiment 5
The embodiment of the present invention 5 provides a kind of anallatic lens module, includes the laser ranging system of the anallatic lens module Isometric side face explosive view as shown in figure 17, its isometric side bottom regard explosive view as shown in figure 18, its profile as shown in figure 19, The anallatic lens module includes lens body 530 and is arranged between lens body 530 and optical signal transceiver module 510 Micro-structural disappears parasitic reflection piece 520.First face of lens body 530 is towards optical signal transceiver module 510；Lens body 530 Second face is towards determinand.Micro-structural disappears the parasitic reflection micro-structural 523 in the 3rd parasitic reflection region of parasitic reflection piece 520 can With the lower surface for the parasitic reflection piece 520 that disappears positioned at the micro-structural, the i.e. surface close to the side of optical signal transceiver module 510.And After the surface of parasitic reflection micro-structural 523 plating reflectance coating, micro-structural is disappeared parasitic reflection piece 520 and lens sheet by glue 540 Body 530 bonds together.
First face of lens body 530 is just sensed to the transmitting light source 511 and infrared receiver of optical signal transceiver module 510 Position directly over device 512 is provided with downward projection of first boss 531 and second boss 532.First boss 531 and The lower surface of two boss 532 is coated with the film of infrared transmission, visible absorption, and it can also directly print infrared printing ink (IR INK).Or the material of monolithic lens body 530 can use infrared transmission, the black plastic material of visible absorption.Transmitting Light source 511 is sent, beam angle is θ 1 infrared laser, after first boss 531, can be passed through with unobstructed, is irradiated To testee, while allowing the light reflected from testee can be then incident without being blocked by second boss 532 Into infrared receiver sensor 512, signal transacting and calculating are carried out.The present embodiment preferably first boss 531 and second boss 532 infrared printing ink of printing directly below (IR INK).
The micro-structural parasitic reflection piece 520 that disappears can be plastic material, the parasitic reflection micro-structural 523 of its veiling glare that is used to disappearing Disappear the lower surface of parasitic reflection piece 520 in the micro-structural, and the surface of parasitic reflection micro-structural 523 is coated with reflectance coating.Parasitic reflection is micro- The shape of structure 523 can be the micro-structural CD (compact disk) similar to laser disc line shape for being carved with circular distribution Line, the angle of CD lines longitudinal section section profile line is between 70 °~170 °, and it reflects the upper and lower surface part of lens body 530 The visible ray that the veiling glare and outside come over is come in along the slant reflection of left and right two in CD lines twice (or more), upwards simultaneously Projected by the upper surface of lens body 530, play a part of the veiling glare that disappears.Micro-structural disappears parasitic reflection piece 520 including the first light The light penetrating region 522 of line penetrating region 521 and second, this two regions could be arranged to void region, and can allow The first boss 531 of the lower section of lens body 530 is embedded in the first light penetrating region 521, and second boss 532 is embedded in the second light Penetrating region 522.
The principle that the embodiment of the present invention 5 eliminates veiling glare is identical with specific embodiment 1.It allows veiling glare in CD line micro-structurals Internal left and right inclined-plane produces multiple reflections, and the veiling glare after reflection is toward opposite direction again from the upper surface of lens body 530 Project.
Lens body 530 and micro-structural the parasitic reflection piece 520 that disappears can be split type structure, and the micro-structural veiling glare that disappears is anti- The CD lines for penetrating piece 520 are combined into one after plating reflectance coating, then with glue with lens body 530, and the position of glue 540 is as schemed Shown in 19 profile.Micro-structural disappear parasitic reflection piece 520 plated film without processing procedures such as complicated strips and without bottom surface print Brush substrate ink processing procedure, the parasitic reflection that disappears in the 3rd parasitic reflection region, another first light can be just realized with conventional processing procedure The two void regions (emergent light region and sensing region) of the light penetrating region 522 of penetrating region 521 and second also without Need to deliberately it position, it is possible to directly in the lower surface printing infrared printing ink (IR INK) of first boss 531 and second boss 532, Overseas region will not be printed onto because of misoperation, lens body 530 and micro-structural the parasitic reflection piece 520 that disappears can independently divide Open processing procedure to produce, be fixed together after the completion of both components by glue 540, integrated artistic simplifies very much, and yield is very high, just In a large amount of productions and popularization.
Embodiment 6
The embodiment of the present invention 6 is related to another anallatic lens module.As different from Example 5, the of lens body 630 It can be simultaneously plane, that is, be not provided with boss.Micro-structural disappears parasitic reflection piece 620, the micro- knot of parasitic reflection of its veiling glare that is used to disappearing Structure 623 can be located at the micro-structural and disappear the lower surface of parasitic reflection piece 620, i.e., the table of the close side of optical signal transceiver module 510 Face.The micro-structural parasitic reflection piece 620 that disappears can not do hollow processing, but will be just to transmitting light source 611 and infrared remote receiver The diameter of 612 position, corresponding transmitting light beam and reception light beam coning angle size, which is made, prints infrared oil at plane, plane Black (IR-ink), other positions are then carved with the trickle CD lines of annular, and reflectance coating is plated on the surface of parasitic reflection micro-structural 623 again, then It is bonded together by double faced adhesive tape 640 with lens body 630.
The embodiment of the present invention 6 provide anallatic lens module, including the anallatic lens module laser ranging system etc. Explosive view is faced as shown in figure 20 in axle side, and its isometric side bottom regards explosive view as shown in figure 21, and its profile is as shown in figure 22, the survey Include lens body 630 and the micro- knot being arranged between lens body 630 and optical signal transceiver module 610 away from lens module Structure disappears parasitic reflection piece 620.First face of lens body 630 is towards optical signal transceiver module 610；The second of lens body 630 Face is towards determinand.Wherein, disappear can be by two-sided between parasitic reflection piece 620 for the first face of lens body 630 and micro-structural Glue is fixedly connected.
First face of lens body 630 is flat, its transmitting light source 611 just to optical signal transceiver module 610 and red The outer position received directly over sensor 612 does not set downward projection of boss.First face of lens body 630 is coated with red Outer transmission, the film of visible absorption, it can also directly print infrared printing ink (IR INK).Or monolithic lens body 630 Material can use infrared transmission, the black plastic material of visible absorption.Transmitting light source 611 is sent, beam angle is θ 1 Infrared laser, after lens body 630, testee can be irradiated to unobstructed, while allowing anti-from testee The light come is emitted back towards to be then incident in infrared receiver sensor 612, believed without being blocked by lens body 630 Number processing and calculate.
Micro-structural disappear parasitic reflection piece 620 can be plastic material, it does not do hollow processing, and the veiling glare of its veiling glare that disappears is anti- Penetrate such as CD lines of micro-structural 623 and can be located at the micro-structural and disappear the lower surface of parasitic reflection piece 620, i.e., close optical signal transceiver module The surface of 610 sides.Micro-structural disappear the lower surface of parasitic reflection piece 620 just to transmitting light source 611 and infrared remote receiver 612 the One light is by the light penetrating region 622 of region 621 and second, corresponding transmitting light beam and receives light beam coning angle size Diameter make at plane, plane print infrared printing ink (IR-ink), other positions be the lower surface in the 3rd parasitic reflection region then The trickle CD lines that parasitic reflection micro-structural 623 is such as carved with annular are formed, reflection is plated on the surface of parasitic reflection micro-structural 623 again Film, the angle of the CD lines longitudinal section section profile line can be 90 °, and it is used for coming in the veiling glare reflected back and outside Visible ray along backtracking, reflect away, it increases many trickle roof prisms equivalent in the bottom surface of reflector plate, will Veiling glare is returned.As shown in figure 32.
Lens body 630 and micro-structural the parasitic reflection piece 620 that disappears are bonded together by the upper and lower surface of double faced adhesive tape 640.
The principle of its elimination veiling glare of the embodiment of the present invention 6 is identical with specific embodiment 1.It allows veiling glare in the micro- knot of CD lines Left and right inclined-plane inside structure produces multiple reflections, and the veiling glare after reflection is projected from the upper surface of lens body 630 again upwards.
Embodiment 7
The embodiment of the present invention 7 provides another anallatic lens module.It is unlike the embodiments above, lens body 730 can be integral type structure with the veiling glare microstructure reflector plate that disappears.First face of lens body 730 disappears miscellaneous directly as micro-structural Light-reflecting sheet；Specifically, can by forming parasitic reflection micro-structural 733 in the first face of lens body 730, as engraving disappear it is miscellaneous The CD lines micro-structural of light is realized.Position of first face of lens body 730 just to transmitting light source 711 and infrared remote receiver 712 Put, transmitting light beam and receive the diameter of light beam coning angle size accordingly and make plane (the i.e. He of the first light penetrating region 731 Second light penetrating region 732), printing infrared printing ink (IR-ink) at plane, other positions be the 3rd parasitic reflection region then Parasitic reflection micro-structural 733 is formed, the trickle CD lines of annular are such as carved with, the surface of parasitic reflection micro-structural 733 can be again Plate reflectance coating.
The anallatic lens module of the embodiment of the present invention 7, includes the isometric side of the laser ranging system of the anallatic lens module Face explosive view as shown in figure 23, its isometric side bottom regards explosive view as shown in Figure 24, and its profile is as shown in figure 25, the ranging The micro-structural that lens module includes lens body 730 and is arranged between lens body 730 and optical signal transceiver module 710 disappears Parasitic reflection piece.First face of lens body 730 is towards optical signal transceiver module 710；Second face of lens body 730 is towards treating Survey thing.Lens body 730 and micro-structural the parasitic reflection piece that disappears are integrally formed, and the first face of lens body disappears directly as micro-structural Position, corresponding transmitting light beam and reception light beam circle of the parasitic reflection piece just to transmitting light source 711 and infrared remote receiver 712 The diameter of cone angle size is made to be printed at plane, i.e. the first light penetrating region 731 and the second light penetrating region 732, its plane Brush infrared printing ink (IR-ink), other positions are that the 3rd parasitic reflection region can then form parasitic reflection micro-structural 733 such as carving The trickle CD lines of annular are carved with, reflectance coating is plated on the surface of parasitic reflection micro-structural 733 again.CD lines are by veiling glare in CD line micro-structurals The left and right inclined-plane in portion produces multiple reflections, and the veiling glare after reflection is projected from the upper surface of lens body 730 again upwards.
Embodiment 8
The embodiment of the present invention 8 provides another anallatic lens module, and unlike the embodiments above, micro-structural disappears miscellaneous The edge in the parasitic reflection region of upper surface the 3rd of light-reflecting sheet 820 can set a groove 824, and the outside of groove 824 can To set wider platform.By filling adhesive (such as glue) in groove 824, can disappear micro-structural parasitic reflection piece 820 combine with the lens body 830 of top.
The embodiment of the present invention 8 provide anallatic lens module, including the anallatic lens module laser ranging system etc. Explosive view is faced as shown in figure 26 in axle side, and its isometric side bottom regards explosive view as shown in figure 27, and its profile is as shown in figure 28, the survey Include lens body 830 and the micro- knot being arranged between lens body 830 and optical signal transceiver module 810 away from lens module Structure disappears parasitic reflection piece 820.First face of lens body 830 is towards optical signal transceiver module 810；The second of lens body 830 Face is towards determinand.
Lens body 830 eliminates the platform for being used to assemble shown in specific embodiment 1~7.Embodiment 8 is by this portion Point platform is arranged below micro-structural and disappeared the outside of parasitic reflection piece 820.First face of lens body 830 is just to optical signal transceiver Position directly over the transmitting light source 811 and infrared receiver sensor 812 of module 810 sets downward projection of first boss 831 and second boss 832.The lower surface of first boss 831 and second boss 832 is coated with infrared transmission, visible absorption Film, it can also directly print infrared printing ink (IR INK).Or the material of monolithic lens body 830 can use infrared Cross, the black plastic material of visible absorption.Infrared laser that transmitting light source 811 is sent, that beam angle is θ 1, it is convex by first After platform 831, testee can be irradiated to unobstructed, while allowing the light reflected from testee can be with unobstructed Ground is then incident in infrared receiver sensor 812 by second boss 832, carries out signal transacting and calculating.The present embodiment is excellent The lower surface of the first boss 831 and second boss 832 is selected to directly print infrared printing ink (IR INK).
Micro-structural disappear parasitic reflection piece 820 parasitic reflection micro-structural 823 can be CD lines, the parasitic reflection micro-structural 823 edge is provided with a groove 824, and the outside of groove 824 is provided with wider platform.Micro-structural disappears parasitic reflection piece 820 can be the plastic cement material with a variety of colors, and the light to reflect different wave length can also be in parasitic reflection micro-structural 823 upper surface plated film.Parasitic reflection micro-structural 823 can be carved with circular distribution be similar to the micro- of laser disc line shape Structure C D (compact disk) line, the angle of the longitudinal section section profile line of CD lines is between 70 °~170 °, and it is by lens sheet The visible ray that the veiling glare and outside that the upper and lower surface part of body 830 is reflected back are come in is anti-along the inclined-plane of left and right two in CD lines Penetrate twice (or more), upward and through lens body 830 upper surface project, play a part of the veiling glare that disappears.Micro-structural disappears miscellaneous Light-reflecting sheet 820 includes the first light penetrating region 821 and the second light penetrating region 822, and this two regions can be set For void region, and the first boss 831 of the lower section of lens body 830 can be allowed to be embedded in the first light penetrating region 821, second Boss 832 is embedded in the second light penetrating region 822.
Lens body 830 and micro-structural disappear parasitic reflection piece 820 for split type structure, by being filled out in groove 824 Glue is filled, the micro-structural parasitic reflection piece 820 that disappears is fixedly connected with lens body 830 by glue.
Embodiment 9-11
9-11 of the embodiment of the present invention provides another anallatic lens module, and the anallatic lens module is with embodiment 1-8's Difference is, micro-structural disappears parasitic reflection piece, except the concave and convex stripe of use annular distribution enumerated in embodiment 1-8, Outside micro-structural CD (compact disk) line of laser disc line shape is such as similar to as parasitic reflection micro structured pattern, it is also Other micro structured patterns are could be arranged to, such as be could be arranged to：The cubic pyramid of miniature micro-prism array, Minisize pyramid shape The patterns such as array, miniature circular cone array.
In the embodiment of the present invention 9 micro-structural disappear the different directions of parasitic reflection piece 920 view as shown in Figure 29 A-29E. Wherein, Figure 29 A are that the disappear front view of parasitic reflection piece 920, Figure 29 B of micro-structural is that micro-structural disappears the vertical view of parasitic reflection piece 920 Figure, Figure 29 C are that micro-structural disappears the side view of parasitic reflection piece 920, and Figure 29 D are that micro-structural disappears the bottom view of parasitic reflection piece 920, Figure 29 E are that micro-structural disappears the isometric side view of parasitic reflection piece 920.Micro-structural disappear parasitic reflection piece 920 upper surface to be miscellaneous Light reflection micro-structure 923, the parasitic reflection micro-structural 923 is the miniature micro-prism array according to 6 side shape arrangements, prism of corner cube For the three-dimensional pyramid formed by three inclined-planes, it plays a part of the veiling glare that disappears, by incident light in the micro- knot of parasitic reflection Three slant reflections inside structure 923 repeatedly, are projected again by the upper surface of top lens body.
Micro-structural disappears view such as Figure 30 A-30E institutes of the different directions of parasitic reflection piece 1020 in the embodiment of the present invention 10 Show.Wherein, Figure 30 A are that the disappear front view of parasitic reflection piece 1020, Figure 30 B of micro-structural is that micro-structural disappears parasitic reflection piece 1020 Top view, Figure 30 C are that micro-structural disappears the side view of parasitic reflection piece 1020, and Figure 30 D are that micro-structural disappears parasitic reflection piece 1020 Bottom view, Figure 30 E are that micro-structural disappears the isometric side view of parasitic reflection piece 1020.Micro-structural disappears the upper table of parasitic reflection piece 1020 Face is parasitic reflection micro-structural 1023, and the parasitic reflection micro-structural 1023 is four of the Minisize pyramid shape according to 4 side shape arrangements Square pyramid array, cubic pyramid is the three-dimensional pyramid formed by 4 inclined-planes, and it plays a part of the veiling glare that disappears, by incidence Four slant reflections of the light inside parasitic reflection micro-structural 1023 repeatedly, are penetrated again by the upper surface of top lens body Go out.
Micro-structural disappears view such as Figure 31 A-31E institutes of the different directions of parasitic reflection piece 1120 in the embodiment of the present invention 11 Show.Wherein, Figure 31 A are that the disappear front view of parasitic reflection piece 1120, Figure 31 B of micro-structural is that micro-structural disappears parasitic reflection piece 1120 Top view, Figure 31 C are that micro-structural disappears the side view of parasitic reflection piece 1120, and Figure 31 D are that micro-structural disappears parasitic reflection piece 1120 Bottom view, Figure 31 E are that micro-structural disappears the isometric side view of parasitic reflection piece 1120.Micro-structural disappears the upper table of parasitic reflection piece 1120 Face is parasitic reflection micro-structural 1123, and the upper surface 1123 of parasitic reflection micro-structural 1123 is the micro-structural according to 6 side shape arrangements Circular cone array, micro-structural circular cone is to be rotarily formed by longitudinal section for the section profile line of isosceles triangle, and it plays the veiling glare that disappears Effect, it is by conical reflecting of the incident light inside parasitic reflection micro-structural 1123 twice or repeatedly, saturating again by top Project the upper surface of mirror body.
As shown in figure 32, it is the principle of the parasitic reflection micro-structural of embodiment 9,10,11 reflection veiling glare, it is miscellaneous when what is partly reflected When light incides some on inclined-plane on the right of parasitic reflection micro-structural, if the angle of parasitic reflection micro-structural longitudinal section section profile line θ is 90 °, and it functions as a Reflex Reflector, and veiling glare produces two secondary reflections in parasitic reflection microstructure portion, after reflection Veiling glare upwards along backtracking, again pass by top lens body, from it surface project.Cut when parasitic reflection micro-structural is vertical During the angle theta non-90 degree of face section profile line, but during other angles between 70 °~170 °, light after reflection not edge Backtracking, it deviates an angle and projected again from the upper surface of lens body.Specifically, being set according to demand with difficulty of processing The angle of CD line Xray films lines is put, when veiling glare is more, the CD line cross-sectional profile contour line angles can be set to be Acute angle, allows veiling glare can be with multiple reflections in parasitic reflection microstructure portion.
The micro-structural of anallatic lens module provided in an embodiment of the present invention disappears parasitic reflection piece, except specific embodiment 1 ~8 concave and convex stripe using circular distribution, be such as similar to laser disc line shape micro-structural CD (compact disk) line, with And miniature micro-prism array, the cubic pyramid array of Minisize pyramid shape, the miniature circular cone array carving of specific embodiment 9~11 Outside needle drawing case, it can also be by micro- in the micro-structural glass of coating one layer of diameter, 3~5 microns of sizes on parasitic reflection piece that disappears The reflecting coating of pearl or quartzy microballon is as parasitic reflection micro-structural, so as to obtain the veiling glare work that disappears of relatively good reflection veiling glare With alloing the veiling glare that reflects back of part to be projected along backtracking, then by lens body upper surface.In addition, micro- knot Structure disappears parasitic reflection piece can be using multiple arrays being spliced close to hemispheric lenticule as the micro- knot of parasitic reflection Structure, the effect for offseting veiling glare is also obvious.Certainly, parasitic reflection micro-structural is not limited to the above-mentioned form enumerated, and other can The structure for making light beam projected after multiple reflections from lens body also should be within the scope of the present invention.
Embodiment 12
The embodiment of the present invention 12 provides a kind of laser ranging system.The laser ranging system includes the survey of above-described embodiment Away from lens module.The laser ranging system that the present invention is provided, by being set in lens body close to the side of optical signal transceiver module Put micro-structural to disappear parasitic reflection piece, the disappear parasitic reflection region of parasitic reflection piece of the micro-structural will can be reflected by lens theme Crosstalk veiling glare is projected from the surface of lens body again after being reflected, and so as to play a part of eliminating light disturbance, is carried The accuracy of high ranging.
Further, the device also includes optical signal transceiver module；Optical signal transceiver module includes transmitting light source and receiving terminal； The light that transmitting light source is sent sequentially passes through directive determinand surface after the first light penetrating region, lens body, through determinand Light after body reflection, which is sequentially passed through, enters receiving terminal behind lens body, the second light penetrating region.
Required according to the distance of required ranging distance, transmitting light source perforation hole and the receiving terminal sensing of the laser ranging system The top of the entrance aperture of device can set different concentrating elements (i.e. the first concentrating element and the second concentrating element), and first focuses on Element is used to be converged the light beam that transmitting light source is sent；Second concentrating element is used to be converged the light beam of directive receiving terminal It is poly-.When within detection range change is as far as several meters as far as ten meters, it can launch light source perforation hole and receive end sensor The top of entrance aperture sets composite reflector to outgoing beam and receives a certain degree of convergence of light beam progress.Optical signal transceiver mould The transmitting light source of block can be that outside the near-infrared vertical cavity launching semiconductor laser (VCSEL) that wavelength is 940nm, it is also Can be using respective wavelength, lighting angle than larger near-infrared LED (light emitting diode).
Specifically, the laser ranging system that the embodiment of the present invention 12 is provided, its profile is as shown in Figure 33.The Laser Measuring Include lens body 1230, micro-structural away from device to disappear parasitic reflection piece 1220, optical signal transceiver module 1210, optical signal transceiver mould Block 1210 includes transmitting light source 1211 and infrared receiver sensor 1212 (i.e. the sensor of receiving terminal), and positioned at transmitting light source The first composite reflector 1251 and the second composite reflector 1252 positioned at the top of infrared receiver sensor 1212 of 1211 tops. Micro-structural disappear parasitic reflection piece 1220 be located between lens body 1230 and optical signal transceiver module 1210, the He of lens body 1230 Micro-structural, which disappears, to be fixedly connected by glue 1240 between parasitic reflection piece 1220.As shown in figure 33, lens body 1230 and micro- Structure disappears parasitic reflection piece 1220 can be integral using the Combination of Methods of a glue bond by glue 1240.
The light emitting diode (LED) that the transmitting light source 1211 of optical signal transceiver module 1210 is 940nm, it is light emitting anger The primary type distribution of youth for 120 ° is spent, it uses the first composite reflector 1251 to enter line convergence, by the first composite reflector 1251 After reflection, the coning angle of output beam is θ 1, it is preferred that can be 35 °；The receiving terminal of optical signal transceiver module 1210 can be One infrared receiver sensor 1212, the coning angle θ 2 of its light beam received can be 25 °, and it passes through the second composite reflector 1252 carry out optically focused；Launch light source 1211 and infrared remote receiver 1212 and the microprocessor with distance calculating and debugging functions Device is electrically connected or communicated to connect.
Together with lens body 1230 can inlay with the first composite reflector 1251 and the second composite reflector 1252, First face of lens body 1230 can be coated with the film of infrared transmission, visible absorption, can also directly print infrared printing ink (IR INK).Or the material of monolithic lens body 1230 can use infrared transmission, the black plastic material of visible absorption.
Micro-structural disappear parasitic reflection piece 1220 can use with a variety of colors plastic cement material, not make plated film.Micro-structural The the first light penetrating region and the second light penetrating region of the parasitic reflection that disappears piece 1220 can be void region, this first be combined Speculum 1251 is embedded in the first light penetrating region, and the second composite reflector 1252 is embedded in the second light penetrating region；Micro-structural The surface in the 3rd parasitic reflection region of the parasitic reflection that disappears piece 1220 forms parasitic reflection micro-structural 1223, is such as carved with ring-type point The concave and convex stripe of cloth, is such as similar to micro-structural CD (compact disk) lines or other various micro-structural battle arrays of laser disc line shape Row, it is used for the multiple rear directive top of visible reflectance come in the veiling glare for reflecting back lens body 1230 and outside, And projected by the upper surface of lens body 1230.
Embodiment 13
The embodiment of the present invention 13 provides another laser ranging system.As different from Example 12, in embodiment 13 The first concentrating element and the second concentrating element be Fresnel Lenses.It should be noted that required according to the distance of ranging distance, The top of the transmitting light source perforation hole of the laser ranging system and the entrance aperture of reception end sensor sets different optical elements. When detection range require it is farther to ten meters to more than tens meters when, its launch light source perforation hole and receive end sensor entrance aperture Top by being provided for the Fresnel Lenses of collimation and optically focused, the Fresnel Lenses can be separately provided, can also with it is outer Side lens are originally combined.
As shown in figure 34, the laser ranging system includes the profile for the laser ranging system that the embodiment of the present invention 13 is provided Lens body 1330, micro-structural disappear parasitic reflection piece 1320, optical signal transceiver module 1310, and optical signal transceiver module 1310 includes Launch light source 1311 and infrared receiver sensor 1312 (i.e. the sensor of receiving terminal), and positioned at the top of transmitting light source 1311 First Fresnel Lenses 1351 and the second Fresnel Lenses 1352 positioned at the top of infrared receiver sensor 1312.Micro-structural disappears Parasitic reflection piece 1320 is located between lens body 1330 and optical signal transceiver module 1310, lens body 1330 and micro-structural It is fixedly connected between the parasitic reflection that disappears piece 1320 by glue 1340.As shown in figure 34, lens body 1330 and micro-structural disappear Parasitic reflection piece 1320 can be integral using the Combination of Methods of a glue bond by glue 1340.
The transmitting light source 1311 of optical signal transceiver module 1310 can be 940nm light emitting diode (LED), and it is luminous Angle is 120 ° of the primary type distribution of youth, and it uses the first Fresnel Lenses 1351 to be collimated, by the first Fresnel lens 1351 reflection after, output beam be coning angle be about the several years narrow angle light beam；The receiving terminal of optical signal transceiver module 1310 is One infrared receiver sensor 1312, its light reflected by 1352 pairs of the second Fresnel Lenses from remote testee Beam enters line convergence；Launch light source 1311 and infrared remote receiver 1312 and the microprocessor electricity with distance calculating and debugging functions Connection is communicated to connect.
First Fresnel Lenses 1351 and the second Fresnel lens 1352, it can be separately provided, can also be saturating with outside Mirror body 1330 is combined.First Fresnel Lenses 1351 and the second Fresnel lens 1352 are using infrared transmission, visible The material of light absorbs.
Micro-structural disappears parasitic reflection piece 1320 can be using the plastic cement material without plated film with a variety of colors, can also Reflectance coating is plated above it.Micro-structural disappears the first light penetrating region and the second light penetrating region of parasitic reflection piece 1320 can Think void region, the first Fresnel Lenses 1351 is arranged on the first light penetrating region；Second Fresnel lens 1352 is set In the second light penetrating region；Micro-structural disappear parasitic reflection piece 1320 the 3rd parasitic reflection region upper surface formed veiling glare it is anti- Penetrate micro-structural 1323, be such as carved with circular distribution similar to laser disc line shape micro-structural CD (compact disk) lines or Other various micro structure arrays, the visible reflectance come in for the veiling glare and outside that reflect back lens body 1330 is more Above secondary rear directive, and projected by the upper surface of lens body 1330.
In summary, for the defect of prior art, the present invention, which proposes one kind, can eliminate crosstalk veiling glare, increase signal Definition and the ranging scheme for increasing detection range.By between lens body bottom or lens and optical signal transceiver module Set micro-structural to disappear parasitic reflection piece, in transmitting light source perforation hole and receive light beam coning angle above end sensor entrance aperture Peripheral position is provided with the parasitic reflection micro-structural with pattern characteristics, and veiling glare pair is effectively reduced by parasitic reflection micro-structural The signal interference of end sensor is received, so as to only need an infrared receiver sensor to receive the light beam of object under test reflection, is not required to Again an infrared receiver sensor for being specifically used to detect veiling glare is set more.Required simultaneously according to the distance of detection range, hair Penetrate light source perforation hole and receive end sensor entrance aperture top different optical elements can be set increase its detection away from Information sensitivity.
Finally it should be noted that herein, such as first and second or the like relational terms are used merely to one Individual entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operate it Between there is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to Cover including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include those Key element, but also other key elements including being not expressly set out, or also include for this process, method, article or set Standby intrinsic key element.In the absence of more restrictions, the key element limited by sentence " including one ... ", is not arranged Except also there is other identical element in the process including the key element, method, article or equipment.Term " on ", " under " Deng instruction orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of description the present invention and Simplify description, rather than indicate or imply that the device or element of meaning there must be specific orientation, with specific azimuth configuration And operation, therefore be not considered as limiting the invention.Unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, Ke Yishi The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood as the case may be Concrete meaning in the present invention.
In the specification of the present invention, numerous specific details are set forth.Although it is understood that, embodiments of the invention can To be put into practice in the case of these no details.In some instances, known method, structure and skill is not been shown in detail Art, so as not to obscure the understanding of this description.Similarly, it will be appreciated that disclose in order to simplify the present invention and helps to understand respectively One or more of individual inventive aspect, above in the description of the exemplary embodiment of the present invention, each of the invention is special Levy and be grouped together into sometimes in single embodiment, figure or descriptions thereof.However, should not be by the method solution of the disclosure Release and be intended in reflection is following：I.e. the present invention for required protection requirement is than the feature that is expressly recited in each claim more Many features.More precisely, as the following claims reflect, inventive aspect is to be less than single reality disclosed above Apply all features of example.Therefore, it then follows thus claims of embodiment are expressly incorporated in the embodiment, Wherein each claim is in itself as the separate embodiments of the present invention.It should be noted that in the case where not conflicting, this The feature in embodiment and embodiment in application can be mutually combined.The invention is not limited in any single aspect, Any single embodiment is not limited to, any combination and/or the displacement of these aspects and/or embodiment is also not limited to.And And, can be used alone the present invention each aspect and/or embodiment or with other one or more aspects and/or its implementation Example is used in combination.
Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；To the greatest extent The present invention is described in detail with reference to foregoing embodiments for pipe, it will be understood by those within the art that：Its according to The technical scheme described in foregoing embodiments can so be modified, or which part or all technical characteristic are entered Row equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the present invention technology The scope of scheme, it all should cover among the claim of the present invention and the scope of specification.

Claims (31)

1. a kind of anallatic lens module, it is characterised in that including：Lens body；
The lens body includes the first face and the second face, and first face mutually deviates from second face；
First face is the one side towards optical signal transceiver module；
Second face is the one side towards determinand；
Between first face and the optical signal transceiver module, it is provided with micro-structural and disappears parasitic reflection piece；
The micro-structural disappears parasitic reflection piece including the first light penetrating region, the second light penetrating region and the 3rd parasitic reflection Region；
The light that the optical signal transceiver module is sent is penetrated after sequentially passing through the first light penetrating region, the lens body To determinand surface, the light after being reflected through object under test sequentially passes through the lens body, the second light penetrating region Enter the optical signal transceiver module afterwards；
Wherein, the 3rd described in the veiling glare directive that first face and/or the second face that the optical signal transceiver module is sent are reflected Parasitic reflection region, is projected after being reflected through the 3rd parasitic reflection region from the lens body.
2. anallatic lens module according to claim 1, it is characterised in that the first light penetrating region and described Two light penetrating regions are void region；
First face of the lens body is provided with boss；The boss is embedded in the void region.
3. anallatic lens module according to claim 2, it is characterised in that the surface of the boss is provided with infrared transmission And film layer or the infrared printing ink layer of visible absorption.
4. anallatic lens module according to claim 1, it is characterised in that the material of the lens body is infrared transmission And the plastic material of visible absorption.
5. anallatic lens module according to claim 1, it is characterised in that the 3rd parasitic reflection region is comprising various Color coating, the light for reflecting various different wave lengths.
6. anallatic lens module according to claim 1, it is characterised in that the 3rd parasitic reflection region is coated with reflection Film, the light for reflecting various different wave lengths.
7. anallatic lens module according to claim 1, it is characterised in that the 3rd parasitic reflection region is close to described The surface of lens body is provided with parasitic reflection micro-structural, the parasitic reflection close to the surface of the optical signal transceiver module The veiling glare that micro-structural is used to be reflected by the lens body is projected from the lens body again after multiple reflections.
8. anallatic lens module according to claim 7, it is characterised in that the parasitic reflection micro-structural is to divide in a ring The concave and convex stripe of cloth.
9. anallatic lens module according to claim 8, it is characterised in that the longitudinal cross-section of the parasitic reflection micro-structural For zigzag, the angle between the two neighboring inclined-plane of the recess of the concave and convex stripe is 70 ° -170 °.
10. anallatic lens module according to claim 9, it is characterised in that the angle is 90 °.
11. anallatic lens module according to claim 7, it is characterised in that the parasitic reflection micro-structural is pyramid rib Lens array, rectangular pyramid array or circular cone prism array.
12. anallatic lens module according to claim 7, it is characterised in that the parasitic reflection micro-structural is bead Or quartz ball coating.
13. anallatic lens module according to claim 12, it is characterised in that the bead or quartz ball it is a diameter of 3-5 microns.
14. anallatic lens module according to claim 7, it is characterised in that the parasitic reflection micro-structural is multiple half The array that sphere lenses are spliced.
15. anallatic lens module according to claim 1, it is characterised in that the lens body disappears with the micro-structural Parasitic reflection piece is adhesively fixed.
16. anallatic lens module according to claim 1, it is characterised in that the lens body disappears with the micro-structural Parasitic reflection piece is welded and fixed.
17. anallatic lens module according to claim 1, it is characterised in that the lens body disappears with the micro-structural The injection of parasitic reflection piece is integral.
18. anallatic lens module according to claim 1, it is characterised in that the outer rim in the 3rd parasitic reflection region Provided with groove；
The groove is used for filling adhesive, so that the micro-structural disappears, parasitic reflection piece is combined into one with the lens body Body.
19. anallatic lens module according to claim 1, it is characterised in that the lens body disappears with the micro-structural Parasitic reflection piece is molded for integral type；
The first light penetrating region, the second light penetrating region and the 3rd parasitic reflection region are respectively positioned on the lens body The first face.
20. anallatic lens module according to claim 1, it is characterised in that
First face of the lens body is plane；
The surface of the first light penetrating region and the second light penetrating region is provided with infrared printing ink layer.
21. anallatic lens module according to claim 1, it is characterised in that the first face of the lens body is provided with Film layer or the infrared printing ink layer of infrared transmission and visible absorption.
22. anallatic lens module according to claim 1, it is characterised in that the 3rd parasitic reflection region is close to institute The outer surface for stating optical signal transceiver module is black.
23. anallatic lens module according to claim 1, it is characterised in that the lens body disappears with the micro-structural Parasitic reflection piece is adhesively fixed by transparent optical cement.
24. a kind of laser ranging system, it is characterised in that including the anallatic lens mould described in claim 1-23 any one Group.
25. laser ranging system according to claim 24, it is characterised in that also including optical signal transceiver module；
The optical signal transceiver module includes transmitting light source and receiving terminal；
It is to be measured that the light that the transmitting light source is sent sequentially passes through directive after the first light penetrating region, the lens body Thing surface, the light after being reflected through object under test enters after sequentially passing through the lens body, the second light penetrating region The receiving terminal.
26. laser ranging system according to claim 25, it is characterised in that the transmitting light source is
Wavelength 940nm near-infrared vertical cavity launching semiconductor laser, or
Wavelength 940nm near-infrared luminous diode.
27. laser ranging system according to claim 26, it is characterised in that the near-infrared luminous diode it is luminous Angle is distributed for 120 ° of the primary type of youth.
28. laser ranging system according to claim 25, it is characterised in that the perforation hole of the transmitting light source is provided with the One concentrating element；First concentrating element is used to be converged the light beam that the transmitting light source is sent；
The entrance aperture of the receiving terminal is provided with the second concentrating element；Second concentrating element is used for receiving terminal described in directive Light beam is converged.
29. laser ranging system according to claim 28, it is characterised in that
The first light penetrating region and the second light penetrating region are void region；
First concentrating element and second concentrating element through the micro-structural disappear parasitic reflection piece void region it is embedding Enter the lens body.
30. laser ranging system according to claim 28, it is characterised in that first concentrating element and described second Concentrating element is composite reflector or Fresnel lens.
31. laser ranging system according to claim 30, it is characterised in that the light beam of the transmitting light source outgoing is through institute State the light beam for forming that coning angle is 35 degree after composite reflector is focused on；
The light beam of receiving terminal described in the directive forms the light beam that coning angle is 25 degree after being focused on through the composite reflector.
CN201621363508.9U 2016-12-12 2016-12-12 A kind of anallatic lens module and laser ranging system Withdrawn - After Issue CN206400093U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107064906A (en) * 2016-12-12 2017-08-18 东莞市美光达光学科技有限公司 A kind of anallatic lens module and laser ranging system
CN108551503A (en) * 2018-04-25 2018-09-18 北京小米移动软件有限公司 A kind of optical device module and mobile terminal
CN109917409A (en) * 2019-04-09 2019-06-21 深圳市道通智能航空技术有限公司 A kind of distance detector and aircraft
CN110275367A (en) * 2018-03-16 2019-09-24 杭州海康威视数字技术股份有限公司 A kind of infrared transparent cover and the infreared imaging device with it
CN111273455A (en) * 2019-12-12 2020-06-12 河北汉光重工有限责任公司 Method for assembling and adjusting visible light/infrared composite lens
TWI749951B (en) * 2020-12-17 2021-12-11 華碩電腦股份有限公司 Ultrasonic sensor module

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107064906A (en) * 2016-12-12 2017-08-18 东莞市美光达光学科技有限公司 A kind of anallatic lens module and laser ranging system
CN110275367A (en) * 2018-03-16 2019-09-24 杭州海康威视数字技术股份有限公司 A kind of infrared transparent cover and the infreared imaging device with it
CN108551503A (en) * 2018-04-25 2018-09-18 北京小米移动软件有限公司 A kind of optical device module and mobile terminal
CN108551503B (en) * 2018-04-25 2020-08-11 北京小米移动软件有限公司 Optical device module and mobile terminal
CN109917409A (en) * 2019-04-09 2019-06-21 深圳市道通智能航空技术有限公司 A kind of distance detector and aircraft
CN111273455A (en) * 2019-12-12 2020-06-12 河北汉光重工有限责任公司 Method for assembling and adjusting visible light/infrared composite lens
TWI749951B (en) * 2020-12-17 2021-12-11 華碩電腦股份有限公司 Ultrasonic sensor module

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