CN105974502A - Reflecting mirror of three-dimensional laser scanner and three-dimensional laser scanner - Google Patents
Reflecting mirror of three-dimensional laser scanner and three-dimensional laser scanner Download PDFInfo
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- CN105974502A CN105974502A CN201610580272.2A CN201610580272A CN105974502A CN 105974502 A CN105974502 A CN 105974502A CN 201610580272 A CN201610580272 A CN 201610580272A CN 105974502 A CN105974502 A CN 105974502A
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- Prior art keywords
- reflecting mirror
- laser scanner
- dimensional laser
- mirror
- laser
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0808—Mirrors having a single reflecting layer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
The invention provides a reflecting mirror of a three-dimensional laser scanner and the three-dimensional laser scanner. The reflecting mirror comprises a metal reflecting mirror and a base. The metal reflecting mirror at least comprises a bottom surface which is arranged at the bottom part and an inclined side surface. The bottom part of the metal reflecting mirror and the base are integrally arranged. The base is provided with a central through hole which penetrates through the base and the top part of the metal reflecting mirror so that laser emitted by a laser emitter is enabled to be emergent through the central through hole. The inclined side surface of the metal reflecting mirror is an optically processed reflecting surface and used for reflecting the received laser. The coaxial metal reflecting mirror is adopted and is low in the requirement for assembling accuracy and suitable for high-efficiency assembling of a production line in comparison with the poor feasibility of a paraxial light path applied in the three-dimensional laser scanner in the prior art. Besides, the element is made of metal material so that the problem of damage caused by the fact that the assembling production or product is in the severe use environment can be avoided, and the stability and the reliability of the product can be enhanced.
Description
Technical field
The present invention relates to three-dimensional laser scanning technique field, sweep in particular to a kind of three-dimensional laser
Retouch the reflecting mirror in instrument and three-dimensional laser scanner.
Background technology
Three-dimensional laser scanning technique is otherwise known as outdoor scene reproduction technology, is that survey field continues GPS (Global
Positioning System, global positioning system) technological revolution after technology.It is broken through
Traditional single-point measurement method, has high efficiency, a high-precision unique advantage.3 D laser scanning
Technology can provide the three dimensional point cloud of scanning body surface, therefore may be used for obtaining high accuracy high
The digital terrain model of resolution.
The embodiment of three-dimensional laser scanning technique is exactly three-dimensional laser scanner, and its ultimate principle is: range finding
The scanned element of laser (i.e. scan prism) that module is launched is irradiated on object, produces at target
Raw diffusing that some returns to range finder module, range finder module is according to reflection light and launches light
Time difference obtains range data.The high speed rotating of above-mentioned scanning element makes the laser of transmitting bowing of specifying
Doing sector scanning in elevation coverage, the horizontal revolving stage simultaneously as pedestal rotates in the horizontal direction, makes fan
Shape scanning area covers the three dimensions specified around scanner.The distance number of range finder module record specified point
According to, record the pitch angle data of specified point at scanning element, at horizontal revolving stage, record the orientation of specified point
Angular data, thus constitutes a polar coordinate system, is accumulated by points scanned all in Imaging space
Point cloud information is become to build threedimensional model.
Generally, the light path of the range finder module in existing three-dimensional laser scanner is generally individually paraxonic light path
Design, i.e. the optical axis of Laser emission and the optical axis of laser pick-off is separate, but, accounting for of which
Relatively big with space, and, which to be applied in three-dimensional laser scanner, structure is complicated, it is achieved
Difficulty is relatively big, therefore, above-mentioned paraxonic light path relate to applying feasibility in three-dimensional laser scanner poor.
Summary of the invention
In view of this, what the purpose of the embodiment of the present invention was to provide in a kind of three-dimensional laser scanner is anti-
Penetrate mirror and three-dimensional laser scanner, to reduce the requirement of assembly precision, be suitable for producing the assembling of line high efficiency,
And improve stability and the reliability of product.
First aspect, embodiments provides the reflecting mirror in a kind of three-dimensional laser scanner, bag
Include: metallic mirror and base；Described metallic mirror at least include one be positioned at bottom bottom surface and
One side tilted；
The bottom of described metallic mirror is arranged with described base integrated；In being provided with on described base
The top of heart through hole, the through described base of described central through hole and described metallic mirror, in order to laser
The laser that emitter is launched is penetrated by described central through hole；
The side of the described inclination of described metallic mirror is the reflecting surface through optical manufacturing, and being used for will
The laser received reflects.
In conjunction with first aspect, embodiments provide the first possible embodiment party of first aspect
Formula, wherein, in the reflecting mirror in above-mentioned three-dimensional laser scanner, described metallic mirror is right angle three
Prism.
In conjunction with the first possible embodiment of first aspect, embodiments provide first party
The embodiment that the second in face is possible, wherein, in the reflecting mirror in above-mentioned three-dimensional laser scanner,
Lightening grooves it is provided with, interval the between described lightening grooves and described central through hole on described metallic mirror
The wall of one preset thickness；
Between described lightening grooves and the bottom surface of described metallic mirror and described reflecting surface all between be separated with second
The wall of preset thickness.
In conjunction with the embodiment that the second of first aspect is possible, embodiments provide first party
The third possible embodiment in face, wherein, in the reflecting mirror in above-mentioned three-dimensional laser scanner,
Described lightening grooves is two；The wall of the 3rd preset thickness it is provided with between two described lightening grooves.
In conjunction with first aspect, embodiments provide the 4th kind of possible embodiment party of first aspect
Formula, wherein, in the reflecting mirror in above-mentioned three-dimensional laser scanner, described base is additionally provided with installation
Through hole, described installation through hole is for installing described reflecting mirror on a mounting board, so that described reflecting mirror
It is fixed on the outfan of generating laser.
In conjunction with first aspect, embodiments provide the 5th kind of possible embodiment party of first aspect
Formula, wherein, in the reflecting mirror in above-mentioned three-dimensional laser scanner, described base is additionally provided with chamfering,
The diameter of described chamfering is more than described central through hole, and described chamfering connects with described central through hole and sets
Put.
In conjunction with first aspect, embodiments provide the 6th kind of possible embodiment party of first aspect
Formula, wherein, in the reflecting mirror in above-mentioned three-dimensional laser scanner, described base is additionally provided with countersunk head
Hole, described counter sink is connected for fixing with the alignment pin on installing plate, exists positioning described reflecting mirror
Installation site on described installing plate.
Reflecting mirror in a kind of three-dimensional laser scanner that the embodiment of the present invention provides, uses coaxial metal
Reflecting mirror, with paraxonic light path of the prior art relate to applying in three-dimensional laser scanner feasibility relatively
Difference is compared, and assembly precision is required low by it, is suitable for producing the assembling of line high efficiency, and element is metal material
Matter, will not cause the problem of breakage because of Assembling Production or product in severe using, improve under environment
The stability of product and reliability.
Second aspect, the embodiment of the present invention additionally provides a kind of three-dimensional laser scanner, including: first
The reflecting mirror in three-dimensional laser scanner described in aspect, also includes: installing plate, generating laser and
Detector；
Described reflecting mirror and described generating laser are each attached on described installing plate, and described reflecting mirror
The outfan of described generating laser it is fixed on by described installing plate；Described generating laser passes through institute
Stating outfan and launch laser, described laser is penetrated by the central through hole of described reflecting mirror；
The sloping reflector of described reflecting mirror receives reflection laser, by described reflection laser-bounce to described
Detector.
In conjunction with second aspect, embodiments provide the first possible embodiment party of second aspect
Formula, wherein, above-mentioned three-dimensional laser scanner, also include: micro-adjusting mechanism and receiving optics；
Described generating laser is fixed on described installing plate by described micro-adjusting mechanism；
Described receiving optics is for gathering the reflection laser that the sloping reflector of described reflecting mirror receives
It is burnt on described detector, so that described detector receives described reflection laser.
In conjunction with second aspect, embodiments provide the embodiment party that the second of second aspect is possible
Formula, wherein, in above-mentioned three-dimensional laser scanner, described installing plate is provided with alignment pin；Described fixed
Position pin is fixedly installed with the counter sink in described reflecting mirror, is used for positioning described reflecting mirror in described installation
Installation site on plate.
A kind of three-dimensional laser scanner that the embodiment of the present invention provides, uses coaxial metallic mirror, with
Paraxonic light path of the prior art relate to applying in three-dimensional laser scanner that feasibility is poor to be compared, its
Assembly precision is required low, is suitable for producing the assembling of line high efficiency, and element is metal material, Bu Huiyin
Assembling Production or product cause the problem of breakage in severe using under environment, improve stablizing of product
Property and reliability.
For making the above-mentioned purpose of the present invention, feature and advantage to become apparent, preferable reality cited below particularly
Execute example, and coordinate appended accompanying drawing, be described in detail below.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of the embodiment of the present invention, below will be to required in embodiment
Accompanying drawing to be used is briefly described, it will be appreciated that the following drawings illustrate only some of the present invention
Embodiment, is therefore not construed as the restriction to scope, for those of ordinary skill in the art,
On the premise of not paying creative work, it is also possible to obtain other relevant accompanying drawings according to these accompanying drawings.
Fig. 1 shows the reflecting mirror in a kind of three-dimensional laser scanner that the embodiment of the present invention is provided
Sectional view；
Anti-in a kind of three-dimensional laser scanner that Fig. 2 is provided by the embodiment of the present invention shown in Fig. 1
Penetrate the upward view of mirror；
Anti-in a kind of three-dimensional laser scanner that Fig. 3 is provided by the embodiment of the present invention shown in Fig. 1
Penetrate the left view of mirror；
Anti-in a kind of three-dimensional laser scanner that Fig. 4 is provided by the embodiment of the present invention shown in Fig. 1
Penetrate the right view of mirror；
Anti-in a kind of three-dimensional laser scanner that Fig. 5 is provided by the embodiment of the present invention shown in Fig. 1
Penetrate the top view of mirror；
The entirety of a kind of three-dimensional laser scanner that Fig. 6 is provided by the embodiment of the present invention shown in Fig. 1
Structural representation.
Major Symbol illustrates:
100, metallic mirror；101, base；102, reflecting surface；103, central through hole；104、
Chamfering；105, counter sink；106, lightening grooves；107, through hole is installed；108, receiving optics；
109, detector；110, generating laser.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in inventive embodiments, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.
Generally herein described in accompanying drawing and the assembly of the embodiment of the present invention that illustrates can be with various different joining
Put and arrange and design.Therefore, retouching in detail the embodiments of the invention provided in the accompanying drawings below
State the scope being not intended to limit claimed invention, but be merely representative of the selected reality of the present invention
Execute example.Based on embodiments of the invention, those skilled in the art are not before making creative work
Put the every other embodiment obtained, broadly fall into the scope of protection of the invention.
Light path in view of the range finder module in existing three-dimensional laser scanner is generally individually paraxonic light path
Design, i.e. the optical axis of Laser emission and the optical axis of laser pick-off is separate, but, accounting for of which
Relatively big with space, and, which to be applied in three-dimensional laser scanner, structure is complicated, it is achieved
Difficulty is relatively big, therefore, above-mentioned paraxonic light path relate to applying feasibility in three-dimensional laser scanner poor..
Based on this, embodiments provide the reflecting mirror in a kind of three-dimensional laser scanner and three-dimensional laser
Scanner, carries out being described by embodiment below in conjunction with Fig. 1～Fig. 6.
With reference to Fig. 1～Fig. 5, embodiments provide the reflection in a kind of three-dimensional laser scanner
Mirror, including: metallic mirror 100 and base 101；Above-mentioned metallic mirror 100 at least includes one
The individual bottom surface being positioned at bottom and a side tilted；
The bottom of above-mentioned metallic mirror 100 and base 101 integrated setting；On above-mentioned base 101
It is provided with central through hole 103, this through base of central through hole 103 101 and metallic mirror 100
Top, in order to the laser that generating laser 110 is launched is penetrated by central through hole 103；
The side of the inclination of above-mentioned metallic mirror 100 is the reflecting surface 102 through optical manufacturing, uses
In the laser received is reflected.
Being to use metallic mirror 100 in the embodiment of the present invention, it is the reflecting mirror of metal material, its
Including base 101 and the bottom etc. of metallic mirror 100 that includes be all metal material；This gold
The side of the inclination belonging to reflecting mirror 100 becomes reflecting surface through optical manufacturing (being such as processed by shot blasting)
102, for the laser received is reflected.
And above-mentioned metallic mirror 100 can be metal prism, it at least includes a bottom surface and one
Inclined plane, wherein, the bottom at place, bottom surface is used for fixing whole reflecting mirror, and the side tilted
For being processed into reflecting surface 102, for the laser received is reflected；And above-mentioned metal prism
Can be metal prism, metal four prism, metal six prism etc., and it is had by the embodiment of the present invention
Body structure is not particularly limited.
It addition, the angle of inclination of the side of above-mentioned inclination can set according to the carrying out of metallic mirror 100
Put, as long as ensureing when whole reflecting mirror uses in three-dimensional laser scanner, it is possible to by swashing of receiving
Luminous reflectance is to predeterminated position.
Further, in the reflecting mirror in the three-dimensional laser scanner that the embodiment of the present invention provides, metal
Reflecting mirror 100 is right-angle prismatic post, corresponding, now, metallic mirror 100 then includes: one
It is positioned at the side of the bottom surface of bottom, a side tilted and and above-mentioned plane perpendicular；And this is straight
The metallic mirror 100 of angle triangular prism include tilt side be then 45 ° of inclined-planes, its with one at the bottom of
The angle of face and another side is 45 °.
Further, with reference to Fig. 3 and Fig. 4, in the reflecting mirror in above-mentioned three-dimensional laser scanner, gold
Belong to and be provided with lightening grooves 106 on reflecting mirror 100, be spaced between lightening grooves 106 and central through hole 103
The wall of the first preset thickness；
Between lightening grooves 106 and the bottom surface of metallic mirror 100 and side all between be separated with second and preset thickness
The wall of degree.
In the embodiment of the present invention, the mirror structure by metallic mirror 100 and base 101 can
Ensure the intensity of reflecting surface 102 so that it is be unlikely to deform；And ensureing intensity same of reflecting surface 102
Time, the embodiment of the present invention also arranges lightening grooves 106 on metallic mirror 100, its objective is to alleviate
The weight of whole reflecting mirror so that it is be easily installed.
And above-mentioned lightening grooves 106 is during arranging, and it is pre-to leave first between central through hole 103
If the interval of thickness, i.e. lightening grooves 106 is when arranging, and needs to be spaced between central through hole 103 first
The wall of preset thickness, it is therefore an objective to do not affect central through hole 103；
Meanwhile, need as between lightening grooves 106 and bottom surface and the reflecting surface 102 of metallic mirror 100
Leave certain interval, i.e. lightening grooves 106 and the bottom surface of metallic mirror 100 and reflecting surface 102
Between be provided with the wall of the second preset thickness, it is therefore an objective to, owing to bottom surface is and base 101 1
Bodyization is arranged, for being fixed with installing plate, therefore, the lightening grooves 106 of setting need to not affect with
Fixing of installing plate, and do not affect the reflection of the reflecting surface 102 laser to receiving.
And above-mentioned first preset thickness can be identical with the second preset thickness, it is also possible to different, in reality
In, it is configured as required, it is not done concrete restriction by the embodiment of the present invention.
Further, with reference to Fig. 4, in the reflecting mirror in above-mentioned three-dimensional laser scanner, lightening grooves 106
It it is two；The wall of the 3rd preset thickness it is provided with between two lightening grooves 106.
In the embodiment of the present invention, it is provided with two above-mentioned lightening grooves 106 in order to ensureing instead
While penetrating the intensity in face 102, it is possible to farthest reduce the weight of whole reflecting mirror；Further,
Society from two lightening grooves 106 time, need to leave the interval of preset thickness between two lightening grooves 106,
Purpose is to make while loss of weight, preferably supports reflecting surface 102.
In the embodiment of the present invention, the shape of above-mentioned two lightening grooves 106 could be arranged to prism (such as three
Prism), cylinder, square, cuboid etc.；Further, the 3rd preset thickness herein and above-mentioned the
One preset thickness, the second preset thickness can be identical, it is also possible to different, it is also in practice, root
It is configured according to needs, it is not done concrete restriction by the embodiment of the present invention.
Further, referring to figs. 2 and 5, in the reflecting mirror in above-mentioned three-dimensional laser scanner, the end
It is additionally provided with installation through hole 107 on seat 101, through hole 107 is installed for reflecting mirror is arranged on installation
On plate, so that reflecting mirror is fixed on the outfan of generating laser 110.
In the embodiment of the present invention, base 101 is provided with installation through hole 107, on corresponding installing plate
The fixed via matched with this installation through hole 107 is set, by secure component, through hole 107 will be installed
It is fixedly installed with fixed via, in order to connect fixing to base 101 and installing plate；Or on installing plate
With the position that matches of through hole 107 be installed be provided with screw, this installation through hole 107 is internally provided with
With the screw thread of screw mates, this screw is made to pass screwed installation through hole 107, to realize and institute
State the fixing connection of base 101.
In the embodiment of the present invention, base 101 is rectangle, and above-mentioned installation through hole 107 is four, four
Through hole 107 is installed be respectively distributed on four angles of base 101 be uniformly arranged.
Further, with reference to Fig. 5, in the reflecting mirror in above-mentioned three-dimensional laser scanner, base 101
On be additionally provided with chamfering 104, the diameter of chamfering 104 is more than central through hole 103, and chamfering 104 with
Central through hole 103 connection is arranged.
Concrete, base 101 is provided with chamfering 104, its diameter is more than central through hole 103, and with
Central through hole 103 connection is arranged, purpose be for convenience by fixing for reflecting mirror on a mounting board.
Further, with reference to Fig. 1 and Fig. 5, in the reflecting mirror in above-mentioned three-dimensional laser scanner, the end
Being additionally provided with counter sink 105 on seat 101, counter sink 105 is for fixing with the alignment pin on installing plate
Connect, to position reflecting mirror installation site on a mounting board.
Concrete, during in order to ensure to install on a mounting board whole reflecting mirror, it is possible to position accurately
The position of reflecting mirror, the embodiment of the present invention is provided with counter sink 105 on base 101；To reflect
When mirror is installed on a mounting board, counter sink 105 is made to fix with the alignment pin on installing plate, with accurately
Location reflecting mirror installation site on a mounting board.
In the embodiment of the present invention, above-mentioned counter sink 105 is two, and two counter sinks 105 are with in described
The axis of heart through hole 103 is that axis of symmetry is symmetrical arranged.
Reflecting mirror in a kind of three-dimensional laser scanner that the embodiment of the present invention provides, uses coaxial metal
Reflecting mirror, with paraxonic light path of the prior art relate to applying in three-dimensional laser scanner feasibility relatively
Difference is compared, and assembly precision is required low by it, is suitable for producing the assembling of line high efficiency, and element is metal material
Matter, will not cause the problem of breakage because of Assembling Production or product in severe using, improve under environment
The stability of product and reliability.
In conjunction with Fig. 1～Fig. 5, with reference to Fig. 6, the embodiment of the present invention additionally provides a kind of 3 D laser scanning
Instrument, including: the reflecting mirror in above-mentioned three-dimensional laser scanner, also include: installing plate, Laser emission
Device 110 and detector 109；
Reflecting mirror and generating laser 110 are each attached on installing plate, and reflecting mirror is solid by installing plate
It is scheduled on the outfan of generating laser 110；Generating laser 110 launches laser by outfan, swashs
Light is penetrated by the central through hole 103 of reflecting mirror；
The reflecting surface 102 of the inclination of reflecting mirror receives reflection laser, will reflect laser-bounce to detector
109。
Concrete, reflecting mirror includes metallic mirror 100, the base 101 of this metallic mirror 100
On be provided with installation through hole 107, corresponding installing plate arranges and this installation through hole 107 matches
Fixed via, is fixedly installed installation through hole 107 and fixed via by secure component, in order to the end of by
Seat 101 and the fixing connection of installing plate；Or in the position matched with installation through hole 107 on installing plate
Being provided with screw, this installation through hole 107 is internally provided with the screw thread with screw mates, makes this screw wear
Cross screwed installation through hole 107, to realize be connected fixing with described base 101.
Further, above-mentioned three-dimensional laser scanner, also include: micro-adjusting mechanism and receiving optics
108；Generating laser 110 is fixing on a mounting board by micro-adjusting mechanism；Receiving optics 108
For reflection laser focusing that the side of mirror tilt is received to detector 109, so that detection
Device 109 receives reflection laser.Wherein, above-mentioned receiving optics 108 can be lens.
Further, in above-mentioned three-dimensional laser scanner, installing plate is provided with alignment pin；Alignment pin
It is fixedly installed with the counter sink 105 in reflecting mirror, for positioning reflecting mirror installation position on a mounting board
Put.
It addition, above-mentioned three-dimensional laser scanner also includes: metal prism and window mirror；Metal Rhizoma Sparganii
Mirror for the laser of reception is reflected, will the laser-bounce of reflecting mirror reflection, and by target
The reflection laser that object reflects reflects；Window mirror is then used for protecting metal prism, its energy
The enough laser by the reflection of metal prism carries out transmission, and the reflection reflected by target object swashs
Light is transmitted to metal prism.
Reflecting mirror in a kind of three-dimensional laser scanner that the embodiment of the present invention provides, uses coaxial metal
Reflecting mirror, with paraxonic light path of the prior art relate to applying in three-dimensional laser scanner feasibility relatively
Difference is compared, and assembly precision is required low by it, is suitable for producing the assembling of line high efficiency, and element is metal material
Matter, will not cause the problem of breakage because of Assembling Production or product in severe using, improve under environment
The stability of product and reliability.
The three-dimensional laser scanner provided the embodiment of the present invention below carries out overall description, Laser emission
Device 110 launches laser to reflecting mirror, and laser reflexes to above-mentioned metal prism by reflecting mirror, passes through
Install axle high speed rotating metal prism by receive laser-bounce to window mirror, laser light window
Mirror is transmitted on measured target, reflects via measured target, reflects the laser light to window mirror, and laser is same
Sample reaches on metal prism through window mirror, equally, by installing the metal Rhizoma Sparganii of axle high speed rotating
Mirror is by the reflection laser-bounce of reception to reflecting mirror, and the reflection laser-bounce of reception is connect by reflecting mirror
Receive optical system 108, receiving optics 108 reflection laser is carried out optically focused process, and be sent to
Detector 109.Finally, controller calculates time and the detection of the laser that generating laser 110 is launched
Device 109 receives the time difference of the time of reflection laser, then calculates measured target according to this time difference
Distance.
Reflecting mirror in a kind of three-dimensional laser scanner that the embodiment of the present invention provides and 3 D laser scanning
Instrument, uses coaxial metallic mirror, with paraxonic light path of the prior art relate to apply three-dimensional laser
In scanner, feasibility is poor compares, and assembly precision is required low by it, is suitable for producing the assembling of line high efficiency,
And element is metal material, will not cause brokenly under severe use environment because of Assembling Production or product
The problem damaged, improves stability and the reliability of product.
It should also be noted that similar label and letter represent similar terms, therefore, one in following accompanying drawing
A certain Xiang Yi the accompanying drawing of denier is defined, then need not it is carried out further in accompanying drawing subsequently
Definition and explanation, describe additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing,
And it is not intended that indicate or hint relative importance.
Last it is noted that the detailed description of the invention of embodiment described above, the only present invention, use
So that technical scheme to be described, being not intended to limit, protection scope of the present invention is not limited to
This, is although the present invention being described in detail with reference to previous embodiment, the ordinary skill of this area
Personnel are it is understood that any those familiar with the art is at the technical scope that the invention discloses
In, the technical scheme described in previous embodiment still can be modified by it maybe can readily occur in change
Change, or wherein portion of techniques feature is carried out equivalent；And these are revised, change or replace,
The essence not making appropriate technical solution departs from the spirit and scope of embodiment of the present invention technical scheme.All
Should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be described with right
The protection domain required is as the criterion.
Claims (10)
1. the reflecting mirror in a three-dimensional laser scanner, it is characterised in that including: metallic mirror
And base；Described metallic mirror at least includes a bottom surface being positioned at bottom and a side tilted
Face；
The bottom of described metallic mirror is arranged with described base integrated；In being provided with on described base
The top of heart through hole, the through described base of described central through hole and described metallic mirror, in order to laser
The laser that emitter is launched is penetrated by described central through hole；
The side of the described inclination of described metallic mirror is the reflecting surface through optical manufacturing, and being used for will
The laser received reflects.
Reflecting mirror in three-dimensional laser scanner the most according to claim 1, it is characterised in that
Described metallic mirror is right-angle prismatic post.
Reflecting mirror in three-dimensional laser scanner the most according to claim 2, it is characterised in that
Lightening grooves it is provided with, interval the between described lightening grooves and described central through hole on described metallic mirror
The wall of one preset thickness；
Between described lightening grooves and the bottom surface of described metallic mirror and described reflecting surface all between be separated with second
The wall of preset thickness.
Reflecting mirror in three-dimensional laser scanner the most according to claim 3, it is characterised in that
Described lightening grooves is two；The wall of the 3rd preset thickness it is provided with between two described lightening grooves.
Reflecting mirror in three-dimensional laser scanner the most according to claim 1, it is characterised in that
Being additionally provided with installation through hole on described base, described installation through hole is for being arranged on peace by described reflecting mirror
On dress plate, so that described reflecting mirror is fixed on the outfan of generating laser.
Reflecting mirror in three-dimensional laser scanner the most according to claim 1, it is characterised in that
Be additionally provided with chamfering on described base, the diameter of described chamfering be more than described central through hole, and described fall
Angle connects setting with described central through hole.
Reflecting mirror in three-dimensional laser scanner the most according to claim 1, it is characterised in that
Being additionally provided with counter sink on described base, described counter sink connects for fixing with the alignment pin on installing plate
Connect, to position described reflecting mirror installation site on described installing plate.
8. a three-dimensional laser scanner, it is characterised in that including: any one of claim 1～7
The described reflecting mirror in three-dimensional laser scanner, also includes: installing plate, generating laser and detection
Device；
Described reflecting mirror and described generating laser are each attached on described installing plate, and described reflecting mirror
The outfan of described generating laser it is fixed on by described installing plate；Described generating laser passes through institute
Stating outfan and launch laser, described laser is penetrated by the central through hole of described reflecting mirror；
The sloping reflector of described reflecting mirror receives reflection laser, by described reflection laser-bounce to described
Detector.
Three-dimensional laser scanner the most according to claim 8, it is characterised in that also include: micro-
Regulating mechanism and receiving optics；
Described generating laser is fixed on described installing plate by described micro-adjusting mechanism；
Described receiving optics is for gathering the reflection laser that the sloping reflector of described reflecting mirror receives
It is burnt on described detector, so that described detector receives described reflection laser.
Three-dimensional laser scanner the most according to claim 8, it is characterised in that described installation
Alignment pin it is provided with on plate；Described alignment pin is fixedly installed with the counter sink in described reflecting mirror, is used for
Position described reflecting mirror installation site on described installing plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610580272.2A CN105974502B (en) | 2016-07-21 | 2016-07-21 | Reflecting mirror in three-dimensional laser scanner and three-dimensional laser scanner |
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|---|---|---|---|
| CN201610580272.2A CN105974502B (en) | 2016-07-21 | 2016-07-21 | Reflecting mirror in three-dimensional laser scanner and three-dimensional laser scanner |
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| CN105974502B CN105974502B (en) | 2020-01-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109254286A (en) * | 2018-11-13 | 2019-01-22 | 武汉海达数云技术有限公司 | Airborne laser radar optical scanner |
| CN105974502B (en) * | 2016-07-21 | 2020-01-14 | 武汉海达数云技术有限公司 | Reflecting mirror in three-dimensional laser scanner and three-dimensional laser scanner |
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| CN109254286B (en) * | 2018-11-13 | 2024-05-28 | 武汉海达数云技术有限公司 | Airborne laser radar optical scanning device |
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