CN106500673A - Levelling laser instrument - Google Patents
Levelling laser instrument Download PDFInfo
- Publication number
- CN106500673A CN106500673A CN201510565243.4A CN201510565243A CN106500673A CN 106500673 A CN106500673 A CN 106500673A CN 201510565243 A CN201510565243 A CN 201510565243A CN 106500673 A CN106500673 A CN 106500673A
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- CN
- China
- Prior art keywords
- laser
- conical mirror
- reflection
- light source
- levelling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
- G01C15/004—Reference lines, planes or sectors
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Laser Surgery Devices (AREA)
- Radiation-Therapy Devices (AREA)
Abstract
A kind of levelling laser instrument（100）, which has at least one grenade instrumentation（120）, the grenade instrumentation is with least one LASER Light Source for being used for producing laser beam（140）And the conical mirror of reflection（200）, the conical mirror of wherein described reflection（200）There are cone axis and be configured to by LASER Light Source（140）Relative to the cone axis coaxially towards the conical mirror of the reflection at least in default tolerance（200）The laser beam of transmitting is converted into laser plane, the conical mirror of the reflection（200）There is bus, the bus at least to constitute deviously to branch's section.
Description
Technical field
The present invention relates to a kind of levelling laser instrument（Nivellierlaser）, which has at least one grenade instrumentation, the throwing
Injection device has for producing the LASER Light Source of laser beam and the conical mirror of reflection, and the conical mirror for wherein reflecting has cone axis
Line and be configured to by by LASER Light Source at least in the default tolerance relative to cone axis coaxially orienting reflex
The laser beam of conical mirror transmitting is converted into laser plane.
Background technology
Such levelling laser instrument known in the state of the art, which has three grenade instrumentations.The grenade instrumentation difference
There is LASER Light Source to produce laser beam and to be provided with collimator mirror in order to laser beam is converted into laser plane
（Kollimatorspiegel）Conical mirror with reflection.Here, laser beam on collimator mirror by parallel alignment and in taper
On mirror along laser beam radial direction turn to or be converted into laser plane.
Content of the invention
The present invention provides a kind of new levelling laser instrument, and which has at least one grenade instrumentation, and the grenade instrumentation has to be used
In at least one LASER Light Source of laser beam and the conical mirror of reflection is produced, the conical mirror for wherein reflecting has cone axis simultaneously
And be configured to send out the conical mirror by LASER Light Source relative to cone axis coaxially orienting reflex in the default tolerance
The laser beam that penetrates is converted into laser plane.The conical mirror of reflection has bus, and the bus is at least constituted to branch's section deviously.
It is to be noted that laser beam is coaxially launched preferably with respect to cone axis by LASER Light Source.But in this situation
Lower because due to LASER Light Source relative to cone axis, orientation by this needed for for example because manufacture and/or installation are limited and can be gone out
Now certain divergence, thus transmitting at least so should carry out so that its at least substantially coaxial or in default tolerance coaxial,
The tolerance can be preset because manufacturing and/or installing limited respectively.
Therefore, the present invention can realize providing a kind of levelling laser instrument, wherein due to the mother of the bending of the pyramidal mirror of reflection
Line can save collimator mirror.It is thereby achieved that building the levelling laser instrument with reduced number of single part, thus, throw
Injection device or levelling laser instrument generally should not more be destroyed and can so be provided durable and firm levelling laser
Device.
Preferably, bus is constituted and there is focus by parabolic shape.Therefore, it can in a straightforward manner will with method
The bus of bending is used for producing laser plane.In the case, can advantageously realize for the laser beam that launches from focus
Effect that is parallelization or even focusing on.
Preferably, by LASER Light Source relative to cone axis coaxially orienting reflex conical mirror transmitting laser beam do not receive
It is mapped on the conical mirror of reflection with hindering.It is to be noted that in the context of the present invention, term " in the clear " relative to
Laser beam is referred in not middle connection middle device such as lens, collimation from LASER Light Source to the transmitting of the conical mirror of reflection
Transmitting in the case of device, diffraction element, aperture or other Optical devices.Therefore, laser beam accurately and precisely can be turned
Change laser plane into, can wherein save corresponding middle device.
The conical mirror of reflection is preferably designed for by LASER Light Source relative to cone axis coaxially towards the cone of reflection
The laser beam broadening of shape mirror transmitting and/or focusing and/or parallel chemical conversion laser plane.Therefore, can be with letter by using conical mirror
Laser beam is converted into laser plane single and uncomplicatedly.
According to a kind of embodiment, the conical mirror of reflection be configured to perpendicular to cone axis reflect produced by inclined
Difference is less than 10%, preferably smaller than 5% laser plane.Therefore, it can produce accurate and accurate laser plane.
The conical mirror of reflection is preferably symmetrically constituted.It is, therefore, possible to provide simple and uncomplicated conical mirror.
Preferably, the conical mirror of reflection be configured to by by LASER Light Source relative to cone axis coaxially towards reflection
Conical mirror transmitting laser beam conversion, especially widen and/or focus on and/or the laser of can project 360 ° of parallel chemical conversion is put down
Face.Therefore, it can simply and reliably produce 360 ° of laser plane.
According to a kind of embodiment, LASER Light Source is coaxially arranged relative to cone axis.Therefore, laser beam can be straight
Connect and be directed on conical mirror or its tip to be converted into laser plane.
LASER Light Source is preferably placed in the focus of the conical mirror of reflection.Therefore, it can laser simple and uncomplicatedly
Beam is converted into laser plane, and wherein laser beam is preferably converted into the laser plane with parallel laser beam.
Preferably, LASER Light Source is constituted according to the type of laser diode.It is, therefore, possible to provide simple and with low cost
LASER Light Source.
Additionally, present invention also offers a kind of conical mirror of reflection, its have cone axis and be configured to by by
Laser beam of the LASER Light Source at least relative to cone axis coaxially towards the conical mirror transmitting of reflection in default tolerance turns
Change laser plane into.The conical mirror of reflection has bus, and the bus is at least constituted to branch's section deviously, especially parabolic shape
Ground is constituted.
Description of the drawings
The present invention is elaborated in follow-up description by means of the embodiment being shown in the drawings.In accompanying drawing
In：
Fig. 1 shows the perspective view of the levelling laser instrument with three grenade instrumentations, and the grenade instrumentation is respectively provided with for producing
The LASER Light Source of raw laser beam and the conical mirror of the reflection according to the present invention,
Fig. 2 shows the sectional view of the grenade instrumentation of Fig. 1, and
Fig. 3 shows the side view of the conical mirror of the reflection according to the present invention of Fig. 1 and Fig. 2.
Specific embodiment
Fig. 1 shows a kind of exemplary structure of the levelling laser instrument 100 according to embodiment, the levelling laser utensil
There are optical carriers 110, it is three grenade instrumentations 120 that the optical carriers have at least one, illustrative ground.However, it should be appreciated that
It is that the present invention is not limited to levelling laser instrument, but can also be applied in other instruments for producing laser plane.
Grenade instrumentation 120 is preferably perpendicular to each other ground or arranges along the direction of three spatial axis to angle in 90 ° each other
In optical carriers 110.Preferably, grenade instrumentation 120 has LASER Light Source 140, and the LASER Light Source is in levelling laser instrument 100
At least one light beam is produced in operation（In Fig. 2 220）.Preferably, grenade instrumentation 120 is each also respectively provided with one
The conical mirror 200 of reflection.
Preferably, LASER Light Source 140 is constituted according to the type of laser diode according to the type of point source, preferably, wherein
Each grenade instrumentation 120 has at least one LASER Light Source 140.Alternatively, or all grenade instrumentations 120 are arranged
Only one LASER Light Source 140, the laser beam for wherein being produced by LASER Light Source 140（220 in fig. 2）Can be with by beam splitter
Widened and re-booted to grenade instrumentation 120.Preferably, LASER Light Source 140 is respectively relative to the taper of corresponding reflection
Mirror 200 is coaxially arranged.
Preferably, the conical mirror 200 of reflection is symmetrically constituted and is exemplarily illustrated as with cone 205
Cylindrical bar.However, conical mirror 200 can also have other arbitrary shapes and can also for example be configured to negative cone.It is preferred that
There is subtended angle, the subtended angle there are 90 ° preferably for ground, cone 205, but it is also possible to arbitrarily angled with other.
According to a kind of embodiment, conical mirror 200 is arranged on its end opposed with cone 205 and is preferably configured as
In the holding meanss 170 of bushing.Preferably, bushing 170 is bearing in appearance of the composition on optical carriers 110 for cylindrical tube section
Receive in portion 180.However, cone 205 can also be directly arranged in article carrier 110.Cylindrical tube section 180 has transparent
Material, be preferably made up of polymer.Here, the length of cylindrical tube section 180 is preferably greater than the height of conical mirror 200.
200 here of conical mirror is coaxially surrounded preferably entirely and by transparent cylindrical tube section 180.In this situation
Under, laser beam（220 in fig. 2）It is equipped to the bus of cone 205（212 in fig. 2）Reflection and preferably with
360 ° of angular transition is into laser plane（230 in fig. 2）.Laser beam（220 in fig. 2）Here without hindrance and
At least approximately the radial direction preferably along cylindrical tube section 180 passes through the wall portion of cylindrical tube section 180.This is not having
Occur in the case of optical damage such as distortion or halation.
Meanwhile, cylindrical tube section 180 can realize the cavity air-tightness to optical carriers 110 and LASER Light Source 140
Closing, the optical carriers have the opticses of the grenade instrumentation 120 with conical mirror 200.The light of sensitivity is protected in this way
Surface is learned from the dampness in severe routine use, dust and other unfavorable environmental effects.
According to a kind of embodiment, optical carriers 110 are arranged in the housing of levelling laser instrument 100 simultaneously in an oscillatory manner
And preferably there are diecasting alloys, such as aluminum-or the zinc diecasting alloys of metal.The swing type of optical carriers 110 hangs preferably can be with
Carried out by the suspender of universal joint.
When continuing to greatly shorten shuttle-type and substantially free of the optical carriers 110 for frictionally hanging vibrations
Between, the degree of regulation of the end position without reducing the optical carriers 110 in gravitational field, according to the pendulum that Wa Er rises Huo Fen
（Waltenhof'schen Pendels）Principle preferably arrange eddy current damping for optical carriers 110.For this purpose, copper billet 130 is disposed
On the free end of the bottom of optical carriers 110, wherein copper billet 130 is touchless with little spacing in the case of oscillating motion
Moved by the permanent magnet that is firmly connected with housing on ground.Mass axis of the copper billet 130 preferably from optical carriers 110 are forced out simultaneously
And be placed on support 132 with an angle position, the rack arrangement optical carriers 110, figure 1 illustrates in following end
In portion.Thus, the quality of copper billet 130 is simultaneously also used as compensating in addition to the function as the part of eddy current damping
The counterpoise of grenade instrumentation 120.
Additionally, the housing of levelling laser instrument 100 preferably has the material or for example fibre-reinforced polymer of polymerization compound
Material（For example fibre-reinforced thermosetting plastic or thermoplastic）.Here, housing is at least used for protecting grenade instrumentation 120 and subtracts
The danger of little foul.
Housing preferably has three shell nozzles, and the end of the outfit cone of grenade instrumentation 120 can pass through the housing
Opening and outwardly so that the laser plane produced by conical mirror 200（230 in fig. 2）Can be without hindrance
Reflected.Shell nozzle is preferably configured as so that the movement of optical carriers 110 and levelling ability are in levelling laser instrument 100
Hindered in the range of self-leveling.Additionally, housing also accommodates the battery or storage for powering here in unshowned embodiment
Battery, the operating element for switched laser light source 140 and the electronic circuit for running LASER Light Source 140.
Fig. 2 shows that the LASER Light Source 140 of Fig. 1, the LASER Light Source relative to conical mirror 200 or are arranged to conical mirror 200
Cone axis 202 coaxially arrange.Preferably, the laser beam exit wound of bullet 229 of LASER Light Source 140 schematically court in fig. 2
On the cone axis 202 that the direction of LASER Light Source 140 extends, the outgoing at the laser beam exit wound of bullet of laser beam 220.?
This, LASER Light Source 140 or its laser beam exit wound of bullet 229 are arranged so that the laser beam 220 that the direction towards conical mirror 200 is launched
It is mapped on conical mirror 200 without hindrance.
Preferably, laser beam 220 directly and be mapped to without hindrance towards LASER Light Source 140, arrange to conical mirror
On 200 cone tip 215, that is, it is not passed through miscellaneous part, especially mirror for example collimator mirror.Conical mirror 200 is again preferably by structure
Make for by LASER Light Source 140 relative to cone axis 202 coaxially towards the laser beam 220 that conical mirror 200 is launched widen and/
Or focus on and/or parallel chemical conversion laser plane 230.
Preferably, 200 here of conical mirror generates deviation less than 10%, preferably smaller than 5% along the direction of cone axis 202
Laser plane 230.200 here of conical mirror be preferably designed for by by LASER Light Source 140 at least in the default tolerance phase
For cone axis 202 coaxially towards conical mirror 200 transmitting laser beam 220 change, especially widen and/or focus on and/
Or the laser plane 230 of can project 360 ° of parallel chemical conversion.For this purpose, conical mirror 200 or its cone 205 have one, are used as
It is explanatorily two buses 212,214, the bus is at least constituted to branch's section deviously, especially concave surface is fully, preferably
Parabola ground or parabolic shape ground are constituted.
It is to be noted that laser beam 220 is coaxially launched preferably with respect to cone axis 202 by LASER Light Source 140.But
In the case because due to LASER Light Source 140 relative to cone axis 202, orientation for this needed for for example because manufacture and/
Or install limited certain divergence occurs, so launch at least so should carry out so which is at least substantially coaxial or pre-
If tolerance in coaxial, the tolerance can be preset because manufacturing and/or installing limited respectively.
Laser beam 220 preferably has multiple simple beams, and be used as explanatorily to have seven simple beams 221,222,223,
224th, 225,226,227, wherein simple beam 221-223 are mapped on bus 214 and are there used as explanatorily in fig. 2 to the right
Laser plane beam 232,233,234 is converted into, and wherein simple beam 225-227 is mapped on bus 212 and there uses
Laser plane beam 236,237,238 is converted in fig. 2 to the left with explaining.Simple beam 224 is used as explanatorily along cone
Axis 202 is mapped on the cone tip 215 of conical mirror 200 and is converted into laser plane beam 231 and is converted into laser putting down
Face beam 235, the laser plane beam 231 are used as explanatorily to launch to the right in fig. 2, and the laser plane beam 235 exists
It is used as explanatorily to launch to the left in Fig. 2.
Simple beam 221-227 heres constitute laser beam 220 and laser plane beam 231-238 constitutes laser plane 230.
Here, simple beam 221-227 is so turned to so that these simple beams constitute the laser being at least approximately arranged parallel to each other and put down
Face beam 231-238.
It is to be noted that the configuration of seven simple beam 221-227 and eight laser plane beam 231-238 only has example
The feature of property and limitation of the present invention can not be considered as.More precisely, the number of simple beam and/or laser plane beam can
With specific to application and especially can be with arbitrarily large.
Fig. 3 shows that there is its bus 212, the bus to be used as explanatorily parabola for the conical mirror 200 of Fig. 2, the conical mirror
Shape ground is constituted.Here, the cone tip 215 of conical mirror 200 exemplarily constitutes the coordinate system 311 with x-axis 320 and y-axis 310
Origin 315, wherein cone axis 202 are arranged in x-axis 320.
The bus 212 of Fig. 2 is preferably corresponded to according to formula y=ax in coordinate system 3112The parabola of+bx+c.In this feelings
Under condition, a, b, c be coefficient, wherein coefficient a represent focal length or cone tip 215 until focus 335 distance.Focus 335 is at this
Mean in the context of invention that optical axial, here are the point on the cone axis 202 for extending, wherein enter parallel to optical axial
The beam that penetrates intersects after refraction or reflection.Coefficient b represents the angle of slope or laser plane of the parabola in y-axis 310,
Laser beam 220 is converted into preferably flat laser plane 230 by the diaphragm hole in the case where the coefficient value is 1 according to 180 °.
Additionally, coefficient c represents position of the conical mirror 200 relative to coordinate system 311 in y-axis.In the case where the value of coefficient c is zero,
Cone axis 202 are arranged in x-axis 320, or cone tip 215 is arranged in the origin 315 of coordinate system 311.
According to a kind of embodiment, LASER Light Source 140 is arranged in the focus 335 of conical mirror 200.Here, focus 335 exists
There is apart from f and is preferably formed as the coordinate system 312 with x-axis 340 and y-axis 330 in the negative x-direction of coordinate system 311 away from origin 315
Origin.Here, bus 212 of the conical mirror 200 in coordinate system 312 corresponds to formula.In the case,
By can adjust apart from f laser beam 220 beam width, working range, picture quality and laser beam 220 luminous power simultaneously
And thus adjust the luminous power of laser plane 230.
The present invention is not limited by specific embodiment and the feature of different embodiments can free combination with one another.This
Described in application, term such as " perpendicular to one another ", " on one wire " etc. of different part positions to each other describes desired
Ideal position/state and include：As machinery/optical construction can form certain deviation and inexactness, which is created
The training centre of property includes.In the case of descriptive explanation, not only include illustrated end value, and including all at which
Between value and its included in creativeness teaching subrange.
Claims (11)
1. levelling laser instrument（100）, which has at least one grenade instrumentation（120）, the grenade instrumentation has sharp for producing
Light beam（220）At least one LASER Light Source（140）And the conical mirror of reflection（200）, the conical mirror of wherein described reflection
（200）There are cone axis（202）And it is configured to by the LASER Light Source（140）Phase at least in the default tolerance
For the cone axis（202）Coaxially towards the conical mirror of the reflection（200）The laser beam of transmitting（220）It is converted into swashing
Optical plane（230）, it is characterised in that the conical mirror of the reflection（200）There is bus（212）, the bus at least branch's section
Ground is constituted deviously.
2. levelling laser instrument according to claim 1, it is characterised in that the bus（212）Parabolic shape ground is constituted simultaneously
And there is focus（335）.
3. levelling laser instrument according to claim 1 and 2, it is characterised in that by the LASER Light Source（140）Relative to institute
State cone axis（202）Coaxially towards the conical mirror of the reflection（200）The laser beam of transmitting（220）It is mapped in the clear
The conical mirror of the reflection（200）On.
4. the levelling laser instrument according to any one of the claims, it is characterised in that the conical mirror of the reflection
（200）Being configured to will be by the LASER Light Source（140）Relative to the cone axis（202）Coaxially towards the reflection
Conical mirror（200）The laser beam of transmitting（220）Broadening and/or focusing and/or parallel chemical conversion laser plane（230）.
5. the levelling laser instrument according to any one of the claims, it is characterised in that the conical mirror of the reflection
（200）It is configured to perpendicular to the cone axis（202）Deviation produced by ground reflection is less than 10%, preferably smaller than 5%
Laser plane（230）.
6. the levelling laser instrument according to any one of the claims, it is characterised in that the conical mirror of the reflection
（200）Symmetrically constitute.
7. the levelling laser instrument according to any one of the claims, it is characterised in that the conical mirror of the reflection
（200）Being configured to will be by the LASER Light Source（140）Relative to the cone axis（202）Coaxially towards the reflection
Conical mirror（200）The laser beam of transmitting（220）Conversion, especially broadening and/or focusing and/or parallel chemical conversion can be projected
360 ° of laser plane（230）.
8. the levelling laser instrument according to any one of the claims, it is characterised in that the LASER Light Source（140）Phase
For the cone axis（202）Coaxially arrange.
9. the levelling laser instrument according to any one of the claims, it is characterised in that the LASER Light Source（140）Cloth
Put the conical mirror in the reflection（200）Focus（335）In.
10. the levelling laser instrument according to any one of the claims, it is characterised in that the LASER Light Source（140）
Constituted according to the type of laser diode.
The conical mirror of 11. reflections（200）, the conical mirror has cone axis（202）And it is configured to by LASER Light Source
（140）At least relative to the cone axis in default tolerance（202）Coaxially towards the conical mirror of the reflection（200）
The laser beam of transmitting（220）It is converted into laser plane（230）, it is characterised in that the conical mirror of the reflection（200）There is bus
（212）, the bus at least branch's section ground is constituted deviously, is especially constituted to parabolic shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510565243.4A CN106500673A (en) | 2015-09-08 | 2015-09-08 | Levelling laser instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510565243.4A CN106500673A (en) | 2015-09-08 | 2015-09-08 | Levelling laser instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106500673A true CN106500673A (en) | 2017-03-15 |
Family
ID=58286725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510565243.4A Pending CN106500673A (en) | 2015-09-08 | 2015-09-08 | Levelling laser instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106500673A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981653A (en) * | 2017-05-31 | 2018-12-11 | 罗伯特·博世有限公司 | Laser level and its laser shift unit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05272972A (en) * | 1992-03-27 | 1993-10-22 | Topcon Corp | Laser surveying instrument |
| CN104142144A (en) * | 2009-03-26 | 2014-11-12 | 罗伯特·博世有限公司 | Self-leveling 360 DEG multi-line laser device |
-
2015
- 2015-09-08 CN CN201510565243.4A patent/CN106500673A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05272972A (en) * | 1992-03-27 | 1993-10-22 | Topcon Corp | Laser surveying instrument |
| CN104142144A (en) * | 2009-03-26 | 2014-11-12 | 罗伯特·博世有限公司 | Self-leveling 360 DEG multi-line laser device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108981653A (en) * | 2017-05-31 | 2018-12-11 | 罗伯特·博世有限公司 | Laser level and its laser shift unit |
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Application publication date: 20170315 |