CN108802747A - Hand-held laser rangefinder - Google Patents
Hand-held laser rangefinder Download PDFInfo
- Publication number
- CN108802747A CN108802747A CN201810384650.9A CN201810384650A CN108802747A CN 108802747 A CN108802747 A CN 108802747A CN 201810384650 A CN201810384650 A CN 201810384650A CN 108802747 A CN108802747 A CN 108802747A
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- China
- Prior art keywords
- stick
- laser
- target board
- range finder
- hand
- Prior art date
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- 230000007246 mechanism Effects 0.000 claims description 10
- 230000007306 turnover Effects 0.000 claims description 2
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- 230000006870 function Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008878 coupling Effects 0.000 description 5
- 238000010168 coupling process Methods 0.000 description 5
- 238000005859 coupling reaction Methods 0.000 description 5
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- 239000004744 fabric Substances 0.000 description 4
- 230000002441 reversible effect Effects 0.000 description 4
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- 238000000605 extraction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B3/00—Measuring instruments characterised by the use of mechanical techniques
- G01B3/02—Rulers with scales or marks for direct reading
- G01B3/04—Rulers with scales or marks for direct reading rigid
- G01B3/08—Rulers with scales or marks for direct reading rigid extensible
-
- 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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
- G01S7/4813—Housing arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
- G01S17/32—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
- G01S17/36—Systems determining position data of a target for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated with phase comparison between the received signal and the contemporaneously transmitted signal
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The present invention relates to a kind of hand-held laser rangefinders（10）, have for along ranging direction（24）Send out laser beam（18）In the case of contactlessly measure relative to target object（18）Distance laser ranging unit.According to the present invention, hand-held laser rangefinder（10）With along ranging direction（24）Stick that is can extracting out and/or can routing up（28,28a）, wherein stick that is described can extracting out or can routing up（28,28a）Backwards to the laser range finder（10）First end on have Target Board（30）, the laser beam（18）It is incident on the Target Board.In addition, proposing a kind of for hand-held laser rangefinder（10）Adapter, the adapter is for being reversibly arranged in the hand-held laser rangefinder（10）On.
Description
Technical field
The present invention relates to a kind of hand-held laser rangefinder and a kind of adapters for hand-held laser rangefinder.
Background technology
Such hand-held laser rangefinder is such as disclosed from 10 2,004 023 998 A1 of DE.
Invention content
The present invention relates to a kind of hand-held laser rangefinder, which has for along ranging side
To the laser ranging unit for contactlessly measuring the distance relative to target object in the case of sending out laser beam.
" hand-held " it is meant that the laser range finder in measurement process by operator with hand at least come use, preferably
It carries, particularly preferably hold.For this purpose, the gross mass of the laser range finder is especially less than 2kg, is preferably smaller than 1kg, is especially excellent
Choosing is less than 500g.In addition, in a kind of embodiment of the laser range finder, all components of the laser range finder can
It is placed in the shell for substantially surrounding the component.Especially the length of the longest side of this shell be less than 30cm,
Advantageously below 20cm, particularly advantageously it is less than 15cm.In a kind of application example, the hand-held laser rangefinder can be
Manual work（Tätigkeiten）In such as be used for measure article（Gegenständen）Or inner space.
In order to carry out ranging, the hand-held laser rangefinder has laser ranging unit.The laser ranging unit is outstanding
It include for sending out the sending device of laser emission, the reception mirror for receiving the laser emission returned from separate object
Head and at least one detector for being detected to the laser emission received is filled with and analytical equipment.The Laser Measuring
Distance meter, for send out laser emission sending device have it is at least one preferably with semiconductor laser or laser diode
Form, light source for laser, the direction of the light source towards separate object is sent out especially in time through ovennodulation
Laser emission.This direction is referred to below as ranging direction.Temporal modulation herein can be continuously and/or periodical
Carry out to ground, such as sinusoidal.Light pulse equally can be sent out towards the direction of target object.It is further possible to such as aperiodic
Property, as such as with so-called puppet-noise-pulse train（Pseudo-Noise-Pulsabfolg）Form send out spike train
（Pulszüge）.In one embodiment, the laser emission can be in the observable spectrum for human eye
（spektralen）Wave-length coverage in, that is, be particularly between 380nm to 780nm.The operation of the laser range finder
Person can advantageously find out the laser emitted by the laser range finder without the help of optical additional device
It radiates and more particularly to see as the laser labelling projected（wahrnehmen）Arriving for the laser emission is described remote
From object on projection（Projektion）.It is reflected come illuminated target object by the laser beam by means of being sent out
And/or laser beam scattered, namely returning be projected using camera lens is received, be preferably projected to institute
It states on detector assembly, especially its detector element.For example, it is described receive camera lens can with beam shaping and/or penetrate
Beam guiding and/or to the optical element that the characteristic of the laser emission has an impact, such as lens, filter, diffraction
（diffraktive）Element, mirror（Spiegel）, reflector, optically transparent glass or similar device.It returns
Laser beam is detected by means of the detector assembly and at least partly for knowing there is distance to be measured.Here,
" detector assembly " should refer at least one radiosensitive detector element, as such as photodiode
（Photodioden）, PIN- diodes, Avalanche Photo Diode（APD（Avalanche photodide））,Single-
Photon-Avalanche-Diode（SPAD）（Single-photon avalanche diode）Or similar device, the detector element according to
Incident luminous intensity provides detectable signal." analytical equipment " has information input mechanism, information processing mechanism and letter
Cease output mechanism.In one embodiment, the analytical equipment can have processor and be stored in the analytical equipment
Memory in operation program and/or control program and/or analysis program and/or calculation procedure.The analytical equipment is set
It sets and is used for：From the phase implemented between the laser emission sent out and the laser emission that is returned from the surface of the target object
The light propagation time is known in bit comparison and the laser range finder and the target object are calculated or known by the light velocity
Between the spacing found.It is then able to by described along the distance measure known in the direction of the laser beam emitted
The analytical equipment of laser range finder continues processing and/or the output device, such as by means of the laser range finder
Output is to the Laser Measuring under the case where in use screen, especially to the output device of tactiosensible screen or acoustics
The operator of distance meter.
Illustrate, the laser range finder can be opened in one embodiment using only one on/off-
It is configured in the case of pass, especially slide switch extremely simple and cheer and bright.
" setting " especially should refer to technically " programming ", " design " and/or " construction ".Object is " set " for specific
Function " especially should refer to that the object is fulfiled and/or executed at least one use state and/or operating status
This specific function is designed to fulfil the function.
At present can not possibly in the case of no target object, namely in the case of the surface that do not reflect-reflection
Surface by incident laser beam Returning scattering or be reflected to the laser range finder-and implement ranging.Therefore, if it is traditional
The operator of hand-held laser rangefinder want to go to except specific spacing-is such as used to cable passage shortening to specific length
Upper-, then since design reasons refer to for instrument know from the prior art, for directly measuring this spacing
Plate（Referenzblende）（It is referred to below as " Target Board（Zieltafel）"）Be necessary, as an alternative backstop, as
For example wall is necessary, the wall represents separate object, it is necessary to adjust the laser ranging always relative to the object
The spacing of instrument, until measured distance corresponds to desired spacing.Typically user herein must be with its both hands not only
It holds the reference plate and holds the laser range finder-and more specifically so held so that the reference
Plate seamlessly touches the object-for needing to be sized shortening and correspondingly makes its orientation.When adjusting the spacing, then will
The laser range finder is little by little（stückweise）Court is in reverse to the movement of ranging direction, until measured spacing pair
Ying Yu actually desired spacing（" spacing is chosen（Distanznehmen）"）.Especially the spacing choose this
The movement or shaking of laser range finder either reference plate are likely to occur in method and step（Verwackelungen）, thus should
Implement the repetition for the method and step that the spacing is chosen.Therefore, the spacing is chosen this method and step and therefore entire
Spacing determination is time-consuming（zeitintensiv）, thus often preferably typically use folding rule（Zollstock）Or tape measure（Ma
ßband）Directly measure the length of object.Correspondingly, the user of the laser range finder in addition to the laser range finder it
Outside also with oneself using the other device for being determined into line space.
According to the present invention, the hand-held laser rangefinder that is proposed have can be extracted out along ranging direction and/or
It can rout up（ausklappen）Stick, wherein described can extracting out the or stick that can rout up is backwards to the laser ranging
There is Target Board, the laser beam described in the state of connection are incident on the first end of instrument on the Target Board.
" Target Board " refers to object arbitrarily shaping in principle, at least partly reflecting the laser beam herein
Body-is similar with reference plate mentioned above-.A kind of embodiment of the Target Board in the hand-held laser rangefinder
In can be realized as the plate-type component especially arbitrarily shaped, especially can be used as have less than 5mm, preferably smaller than
3mm, the particularly preferably less than thickness of 1mm plate-type component realize.The Target Board be used for with Target Board and laser ranging
The corresponding distance of spacing between instrument provides target object.Especially thus, it is possible to the institute relative to the laser range finder
The distance of definition is " artificial to make（künstlich）" target object positioning.
In a kind of embodiment of the hand-held laser rangefinder, the Target Board as it is rectangle, banded,
The plate-type component in the laser emission is extended to realize in the plane perpendicular to the ranging direction from the stick.It is preferred that
The size of the Target Board is so selected herein so that the laser beam emitted especially also can when the laser range finder moves
It is mapped to by ground（trifft）On the Target Board.For example, the banded plate-type component can have 1cm × 5cm × 0.2cm
External dimensions.
The stick can be used as extension stem either telescopic rod or overturning stick or overturning in one embodiment herein
Bar or the like is realized.Especially extension stem represents particularly stable and small structure stick, more for the stick
It is a columnar or prism-shaped, may also slightly taper son pipe coaxially correspondingly be in each other the inside.Here, internal
Every height pipe in sub- pipe can be from the larger son pipe directly package pipe-of corresponding next larger son pipe-in axial direction
On release, it is described flexible in the position wherein each extraction unit is terminated with backstop or lock piece at following positions
The function of stick as a whole still ensured-it is hereby it is ensured that support force and bending force-.
In a kind of embodiment of the hand-held laser rangefinder, each two adjacent sub- pipe edge of the extension stem
Double diameter of the longitudinal direction with the sub- pipe of the extension stem or bigger minimum overlap joint.Pass through this side
Formula, the particularly preferred power that can realize element to element are transmitted, and the particularly preferred power, which is transmitted, generates small shaking gap
（Wackelspiel）And thus generate the highly stable realization of the extension stem.
In a kind of embodiment of the hand-held laser rangefinder, the diameter of the sub- pipe of the extension stem swashs from described
Optar reduces towards the Target Board.Thus, it is possible to realize extra high rigidity, to prevent from being bent and vibrate.
In a kind of embodiment of the hand-held laser rangefinder, the stick, the especially described extension stem being capable of nothings
Grade ground extraction, wherein the spacing that the Target Board leaves the laser range finder can be adjusted infinitely.
The stick that can infinitely extract out is more particularly to realizing under using extension stem the case where.Can advantageously adjust from
Arbitrary spacing of the Target Board to the laser range finder.
It is furthermore possible to provide, is lockked the stick that can be extracted out by turning rod or the like
（arretieren）.Especially in the case where applying on extension stem, the extension stem can be particularly easy in its structure
Using parallel pipe, such as parallel aluminium pipe（Alurundrohr）In the case of formed.
In a kind of embodiment as an alternative of the hand-held laser rangefinder, the stick can be routed up,
More particularly to rout up step by step, wherein the spacing that the Target Board leaves the laser range finder can adjust, more particularly to by
Grade ground is adjusted.In this way, the particularly simple, stick that can rout up in its structure, the stick and folding rule phase can be realized
Similarly there is multiple element, the multiple element correspondingly can individually rout up.
In a kind of embodiment of the hand-held laser rangefinder, the laser emission is left with the Target Board
It is incident on the Target Board in the case that the spacing adjusted of the laser range finder is unrelated.This is more particularly to so obtaining
It realizes so that stick that is described can extracting out or can routing up is parallel to the ranging direction to extend, so as between described
Along the Target Board reached described in the translation of the ranging direction in laser beam when away from variation.It can ensure in this way, it is right
In leaving for the spacing that each of described laser range finder is arbitrarily adjusted for the Target Board, the laser beam is mapped to described
On Target Board and thus the laser range finder exports the spacing actually adjusted as distance measure.
In a kind of embodiment of the hand-held laser rangefinder, the stick is towards the of the laser range finder
There is fixing device on two ends, be connected with the laser range finder by means of stick described in the fixing device, especially cloth
It sets in the upper surface of described laser range finder or the inside.
In a kind of embodiment of the hand-held laser rangefinder, the stick is the case where using the fixing device
Under be connected with the laser range finder in a manner of it can reversibly unclamp, be especially arranged together.
" connection " either " arrangement " refers to that non-movable or position of the stick on the laser range finder is fixed
Arrangement.It is such arrangement such as can using machinery coupling device the case where under realize, the coupling device is herein
Can by the fixing device reversibly, can releasably, especially can toollessly releasably, be mechanically connected to it is described
On laser range finder." reversible connection " means here, in particular, the arrangement of the fixing device so carries out so that the fixation
Device again can in the case where not damaging the laser range finder and/or in the case where not damaging the fixing device
It separates from the laser range finder, especially from its shell and thus removes.It especially can be reversible as such as
The arrangement that ground unclamps can be by plugging, being inserted into, grafting, dock, pin（Anheften）, hasp（Ankletten）Or its
The known to one skilled in the art of it is arranged to carry out.
In one embodiment, the stick can be by means of the fixing device in the form of adapter using being constituted
Coupling device the case where get off arrangement, the coupling device is arranged for the fixing device can reversibly unclamp
Mode be arranged on the laser range finder.There are two engage counter pair-Laser Measuring more particularly to have for such coupling device
Distance meter and the centering member of fixing device-mutually coordinated each other, clamping lock nose（Rastnasen）, latch groove（Rastkerben）, receive
Portion, backstop or the like.In one embodiment, the stick can be arranged in the laser range finder by means of fixing device
On, the fixing device hasTripod-screw bolt, wherein the fixing device will be by will be describedTripod-
Screw bolt, which is screwed into, to be connected in screw thread-receptacle of the laser range finder with the laser range finder.In a kind of work
For in alternative solution or additional project embodiment, the fixing device can be using at least one magnet
It is arranged on the laser range finder.As an alternative or additional project, the fixing device can use at least one
A clamping device, clip hook device, clamping device or buckling and locking device for being reversibly clamped and removing the fixing device
In the case of be arranged on the laser range finder.
It is to be noted, that the arrangement of the stick especially also can be in use with adapter（Adapter）Form fixing device
The case where get off realization.
It reversibly, is namely arranged on the laser range finder in a manner of it can unclamp as by the fixing device
Scheme alternative solution, in a kind of embodiment as an alternative of the hand-held laser rangefinder, the stick
Also it can integrally be realized with the laser range finder using the fixing device, that is to say, that can use
It is fixedly integrated into the laser range finder in the case of the fixing device of component part as the laser range finder.
" being fixedly integrated as component part " refers in particular to, and the corresponding fixing device of the stick is to be not effectively reversible ground
The mode of release, that is by cannot without damage ground and/or in a manner of toollessly unclamping with the laser range finder
It is connected.This such as can be by the realization of fixing device and the one of laser range finder or by the fixing device in institute
The fixed arrangement on laser range finder is stated to realize.
In this way, the particularly simple construction of the laser range finder can be realized.
In a kind of embodiment of the hand-held laser rangefinder, the fixing device has receptacle, described to connect
The portion of receiving is arranged for receiving the stick in the state for being pushed into or being collapsed at least partly.Therefore, the stick is such as
In receptacle in the inside for the shell that the fixing device can be placed in state that is being pushed into or being collapsed.
A kind of particularly compact and durable laser range finder can be realized in this way, the institute for the laser range finder
It states stick and the fixing device is so implemented so that the stick can be when not in use received into the laser range finder.?
In the state of this arrangement, the stick is protected particularly well, with prevent machinery influence, especially prevent particle, object,
The shock and vibration of dust squeezed into, be also prevented from machinery in addition and other force effects.In one embodiment, the Target Board
It can be used as the receptacle locking of the fixing device（abschließen）Cap.
In a kind of embodiment of the hand-held laser rangefinder, the stick is used as around its longitudinal axis anti-torsion
Stick realize, to exclude the Target Board longitudinal axis around the stick rotation.For example, can be described in use
Cause following result in the case of the pod in every height pipe in the sub- pipe of extension stem：The son is in control fixation, to prevent
It reverses relative to each other, because of the correspondingly stretching, extension and thus each in corresponding slot-recess of adjacent sub- pipe of slot-recess
Sub- pipe is oriented and is guided in the sub- pipe surrounded.
In a kind of embodiment of the hand-held laser rangefinder, the Target Board is around in perpendicular to described
Axis in the plane that the longitudinal axis of stick extends can rotate, especially can it is inclined in a manner of be fixed.The especially described mesh
Target can be removed from the laser beam emitted in a particularly simple way by tilting or rotating so that the laser
Beam without stopping is incident on separate target object, without covering light by the Target Board.Pass through this side
Formula, thus, it is possible to " being sized shortening pattern "-by the Target Board in the laser range finder to be sized shortening for this
Pattern（Ablängmodus）For measured between laser range finder and Target Board-it is m- for this with " distance measurement mode "
It measures-converts between laser range finder and arbitrary separate target object for distance measurement mode.
In a kind of embodiment of the hand-held laser rangefinder, the stick has motorization, especially automatic
The driving mechanism of change, using the driving mechanism can automatically adjust the Target Board leaves the Laser Measuring
The specific spacing of distance meter.
The automation of " spacing selection " significantly increases user's comfort.The especially described machine automated by means of motorization
Structure carries out, and the mechanism controls and/or regulates by the control device of the laser range finder.
" automation " herein refers to, during the process of spacing variation, especially in the phase of the extension stem removal/immigration
Between need not especially be intervened by the operator of the laser range finder.For example, the control device can automate
Ground is by the stick from by the previously given position of user（Such as " 1.20m "）Middle removal or immigration.It as a result, should not be such as
Manually implement troublesome spacing by the user of the laser range finder in the range of being sized shortening to choose.Such energy
The function of the automation of the laser range finder is enough provided, the function of the automation allows to improve the laser ranging in addition
Instrument is come the measurement accuracy for the measurement implemented.In addition, the risk for automatically reducing affected measurement and/or accidentally measuring.Except this
In addition, the control device of the laser range finder carried out measure after again make the stick automatically move on to immigration/turn over
In the position entered.
In a kind of embodiment of the hand-held laser rangefinder, the stick is in shape that is being fully drawn out or routing up
In state with the Target Board leave the laser range finder, at least 100cm, preferably at least 200cm, particularly preferably at least
The spacing of 300cm.
In addition, propose a kind of adapter for being reversibly arranged on the hand-held laser rangefinder, it is described additional
Part has can substantially linearly extract out the and/or stick that can rout up, wherein described can extracting out or can
The stick routed up is on the first end with Target Board and on the second end with fixing device, by means of the fixing device
The stick can be connected with the laser range finder.
In a kind of embodiment of the adapter, the fixing device, which has, to be used forTripod-screw bolt,
It shouldTripod-screw bolt is used to be fixed on screw thread-receptacle of the laser range finder.
Description of the drawings
The present invention is explained in detail in the following description by means of the embodiment being shown in the accompanying drawings.Attached drawing, explanation
Book and claim include a large amount of feature in combination.Those skilled in the art also can suitably individually research institute
It states feature and is summarised as other significant combination.Identical reference numeral in attached drawing indicates identical element.
Fig. 1 shows a kind of design scheme by the laser range finder of the present invention together with being fixedly integrated into the Laser Measuring
The stereogram of the stick that can be extracted out in the shell of distance meter, the stick are in partly extracted state；
Fig. 2 shows the design schemes shown in FIG. 1 of the laser range finder together with the stereogram for the stick being pushed fully into；
Fig. 3 shows a kind of design scheme as an alternative by the laser range finder of the present invention together with being capable of reversibly cloth
The stereogram of the stick that can be extracted out on the shell of the laser range finder is set, the stick is in partly extracted state
In；
Fig. 4 shows the adapter by the present invention for laser range finder（Aufsatzes）A kind of design scheme together with energy
The stereogram for the stick enough extracted out, the stick are in partly extracted state.
Specific implementation mode
Fig. 1 shows a kind of hand-held laser rangefinder 10 exemplarily constructed with solid, which surveys
Distance meter has shell 12, as the screen 14a of output device 14 and multiple for connecting and cutting off the described laser ranging
Instrument 10 and the operating element 16 for being used to start and/or terminate measurement process.The weight of the hand-held laser rangefinder 10
Amount is less than 300g in shown embodiment, wherein the longest side of the shell 12, which measures, is less than 15cm.
In order to measure the laser range finder 10 relative to target object（It is not shown specifically herein）Spacing, described
Parallel laser emission in the operation of laser range finder 10（laser beam）18 pass through the lens system such as by not being shown specifically
System（Linsensystem）The transmission camera lens of composition（Sendeoptik）20 send towards the direction of target object.By the object
The laser emission of the surface reflection of body（It is not shown specifically herein）It is directed into the spy not being shown specifically by receiving camera lens 22
It surveys on device device and is detected there.From being sent out（aussenden）Laser emission 18 with by described separate
In the phase bit comparison implemented between the laser emission of the surface reflection of object, it can know the light propagation time and be existed by the light velocity
Determine the laser range finder 10 at a distance from being found between the target object in corresponding range unit 24
（Entfernung）.The laser emission 18 is realized in this embodiment as red laser.On the target object
Emitted（emittierte）Laser emission generate the laser point that is projected（Here it is not shown specifically）.
In the shell 12 of the hand-held laser rangefinder, the laser range finder 10 has for generating laser emission
18 laser diode, detector assembly and analysis-and/or control device.The detector assembly has in such an embodiment
There are SPAD arrays.The analytical equipment is arranged for：From the laser emission 18 that is sent out with from the table of the target object
The light propagation time is known in the phase bit comparison implemented between the laser emission returned on face and calculated by the light velocity or
Person knows the spacing found between the laser range finder 10 and the target object.The distance measure known can
Processing is continued by the analysis-and/or control device of the laser range finder 10 and/or by means of the laser ranging
The output device 14 of instrument 10, especially screen 14a are exported to the operator of the laser range finder 10.
In addition, the laser range finder 10 in order to its energy supply and be not shown specifically power supply,
Especially battery or accumulator, preferably lithium-ions battery.
In the case of in the shell 12 for being fixedly integrated into the laser range finder 10, the laser range finder 10 has
There is the stick 28 that can be extracted out along ranging direction 24, wherein the stick 28 that can be extracted out is backwards to the laser range finder 10
There is Target Board on first end（Zieltafel）30, laser beam 18（" laser emission 18 " and " laser beam 18 " is synonymous herein
Ground uses）It is incident in the state of the connection of the laser diode（auftrifft）Onto the Target Board.The Target Board
30 come in fact as banded, substantial rectangular the plate-type component extended from the stick 28 perpendicular to the ranging direction 24
It is existing.The size of the Target Board is 1cm × 2cm × 0.2cm, wherein the longitudinal direction of the banded plate-type component is from described
Stick is in the extending within towards the laser emission 18 in the plane that the ranging direction extends.
The stick 28 has fixing device 32a on the second end towards the laser range finder 10, solid by means of this
Determine stick 28 described in device to be fixedly integrated in the laser range finder 10 and be thus fixedly placed on the Laser Measuring
In distance meter 10.The stick 28 is thus integrally real with the laser range finder 10 using the fixing device 32a
It is existing.The stick 28 is used as extension stem（Teleskopstab）28a realizes, multiple columnar, slightly for the extension stem
The son pipe of taper is coaxially correspondingly in the inside each other, wherein every height pipe in the sub- pipe of the inside can be by from corresponding
It releases in the axial direction in the larger son pipe directly package pipe-of next larger son pipe-, wherein each extraction unit is with backstop
Or lock piece terminates at following positions, the functions of the extension stem 28a as a whole are still protected in the position
Barrier.Each two adjacent sub- pipes of the extension stem 28a herein in order to obtain high stability and along the longitudinal direction side of the stick 28
To（Namely along ranging direction 24）Minimum overlap joint with twice of diameter or bigger.The element of the extension stem 28a
Diameter from the laser range finder 10 towards the Target Board 30 reduce.
The stick can be extracted out infinitely according to the present invention, wherein the Target Board 30 leaves the laser range finder 10
Spacing 26 can infinitely be adjusted between 0cm and 300cm in such an embodiment.Here, by 10 institute of the laser range finder
The situation that leave the spacing 26 of the laser range finder 10 adjusted unrelated of the laser beam 18 of transmitting and the Target Board 30
Under be incident on the Target Board 30-correspondingly the laser range finder 10 measure the spacing 26 and defeated on screen 14a
Go out distance measure corresponding with this spacing 26.
There is the fixing device 32a receptacle 34, the receptacle to be arranged for receiving the shape in being pushed fully into
Stick 28 in state.The receptacle 34 it is shown in Fig. 1 go out embodiment in by the stick 28 maximum columnar sub- pipe institute
It constitutes, the maximum columnar sub- pipe is integrally implemented together with the fixing device 32a as component, namely.
In addition, the stick 28 is as around its longitudinal axis（Namely around the axis for being parallel to the ranging direction 24
Line）The stick 28 of anti-torsion realizes, to eliminate the Target Board 30, due to the sub- pipe relative to each other
（gegeneinander）Torsion and unintentionally around the longitudinal axis of the stick 28（ungewollte）Rotation.But institute
Target Board 30 is stated to be fixed on the stick 28 by means of bolt, around the bolt can under force effect, especially by
Cause in by the manually manipulation of operator's progress of the laser range finder 10（bewirken）The Target Board 30
Rotation（By arrow in Fig. 1 and 3 and be shown in broken lines, have rotated around the longitudinal axis of the stick 28 90 ° of Target Board
30 come to sketch out）.In this way, the Target Board 30 can be removed from the laser emission 18 emitted so that
The laser beam 18 without stopping can be incident on separate target object, without covering light by the Target Board 30
Line（abgeschattet）.Therefore, the laser range finder is measured when the Target Board 30 is removed from laser emission 18
10 with arbitrary separate the distance between target object.
Fig. 2 shows the laser range finders 10 of Fig. 1 to be in the diagram in following states, and the stick 28 described in the state is complete
It is pushed into entirely in the receptacle 34 of the fixing device 32a, is especially pushed into the shell 12 of the laser range finder 10
In.It sends camera lens 20 here, the Target Board 30 is completely covered by and protects the transmission camera lens in addition, to prevent from environment
It influences.
A kind of design side as an alternative of the laser range finder 10 by the present invention is shown with solid in figure 3
Case together with can reversibly be arranged on the shell 12 of the laser range finder 10 can extract out in being partly extracted
State in stick 28.The cloth in a manner of it can reversibly unclamp using the fixing device 32b of the stick 28
It sets on the laser range finder 10.The fixing device 32b is embodied as adapter（Aufsatz）36, which has
Tripod（Stativ）Screw bolt（Examination is with reference to Fig. 4 reference numerals 40）.By means of thisTripod-screw bolt,
The fixing device 32b will be by will be describedTripod-screw bolt is screwed into the laser range finder 10（Here not in detail
Carefully show）It is arranged in screw thread-receptacle on the laser range finder.Thus the stick 28 and institute also can advantageously be made
The removal of laser range finder 10 is stated to couple.
In Fig. 4 with solid show the adapter 36 together with it is can extracting out, in partly extracted shape
Stick 28 in state.The stick 28 using the fixing device 32b can in a manner of it can reversibly unclamp cloth
It sets on the laser range finder 10（Examination is with reference to Fig. 3）.The fixing device 32b hasTripod-screw bolt 40, is borrowed
Help thisAdapter 36 described in tripod-screw bolt can be by will be describedTripod-screw bolt 40 screws in
To the laser range finder 10（Here it is not shown specifically）It is arranged in screw thread-receptacle on the laser range finder.
The stick 28 can be extracted out infinitely, wherein the Target Board 30 leaves between the fixing device 32b in such an embodiment
It can infinitely be adjusted between 0cm and 300cm away from 38.
Claims (25)
1. hand-held laser rangefinder（10）, have for along ranging direction（24）Send out laser beam（18）In the case of nothing
It contiguously measures relative to target object（18）Distance laser ranging unit, it is characterised in that along ranging direction（24）Energy
Stick that is enough extracting out and/or can routing up（28,28a）, wherein stick that is described can extracting out or can routing up（28,
28a）Backwards to the laser range finder（10）First end on have Target Board（30）, the laser beam（18）It is incident on institute
It states on Target Board.
2. hand-held laser rangefinder as described in claim 1（10）, which is characterized in that the stick（28,28a）It can be stepless
Ground is extracted out, wherein the Target Board（30）Leave the laser range finder（10）Spacing（26）It can infinitely adjust.
3. hand-held laser rangefinder as described in claim 1（10）, which is characterized in that the stick（28,28a）It can turn over
Go out, wherein the Target Board（30）Leave the laser range finder（10）Spacing（26）It can adjust step by step.
4. pressing hand-held laser rangefinder according to claim 2 or 3（10）, which is characterized in that the laser emission（18）With
The Target Board（30）Leave the laser range finder（10）The spacing adjusted（26）It is incident in the case of unrelated described
Target Board（30）On.
5. hand-held laser rangefinder as any one of preceding claims（10）, which is characterized in that the stick（28,
28a）Towards the laser range finder（10）The second end on have fixing device（32a,32b）, by means of the fixation
Stick described in device（28,28a）With the laser range finder（10）It is connected.
6. hand-held laser rangefinder as described in claim 5（10）, which is characterized in that the stick（28,28a）It can make
With the fixing device（32a）In the case of in a manner of it can reversibly unclamp with the laser range finder（10）It is connected.
7. hand-held laser rangefinder as described in claim 5（10）, which is characterized in that the stick（28,28a）Using institute
State fixing device（32a）In the case of be integrally connected with the laser range finder.
8. by the hand-held laser rangefinder described in any one of claim 5-7（10）, which is characterized in that the fixing device
（32a,32b）With receptacle（34）, the receptacle is arranged for：It is at least partly received in being pushed into or is rolled over
Stick in the state held together（28,28a）.
9. hand-held laser rangefinder as any one of preceding claims（10）, which is characterized in that the stick（28,
28a）It is realized in a manner of it can be rotated around its longitudinal axis, thus the Target Board（30）It can be around the stick
（28,28a）Longitudinal axis rotation.
10. by the hand-held laser rangefinder described in any one of preceding claims 1-8（10）, which is characterized in that the stick
（28,28a）As the stick around its longitudinal axis anti-torsion（28,28a）It realizes, to eliminating the Target Board（30）'s
Around the stick（28,28a）Longitudinal axis rotation.
11. hand-held laser rangefinder as any one of preceding claims（10）, which is characterized in that the Target Board
（30）Around in perpendicular to the stick（28,28a）Longitudinal axis extend plane in axis can rotate, especially
Can inclined mode be fixed.
12. hand-held laser rangefinder as any one of preceding claims（10）, which is characterized in that the Target Board
（30）As plate-type component, especially as with the plate less than 5mm, preferably smaller than 3mm, the thickness for being particularly preferably less than 1mm
Formula component is realized.
13. hand-held laser rangefinder as any one of preceding claims（10）, which is characterized in that the stick（28,
28a）Driving mechanism with motorization, especially automating, the Target Board using the driving mechanism
（30）Leave the laser range finder（10）Specific spacing（26）It can automatically adjust.
14. hand-held laser rangefinder as any one of preceding claims（10）, which is characterized in that it is described to take out
Stick that is going out or can routing up（28,28a）There is the Target Board in state that is completely extracted or being routed up
（30）Leave the laser range finder（10）At least 100cm, preferably at least 200cm, the particularly preferred at least spacing of 300cm
（26）.
15. adapter（36）, for by any one of preceding claims, especially by hand-held described in claim 5 or 6
Laser range finder（10）, the adapter is for being reversibly arranged in the hand-held laser rangefinder（10）On, it is described additional
Part has stick can substantially linearly extracting out and/or can routing up（28,28a）, can be extracted out wherein described
Or the stick that can be routed up（28,28a）There is Target Board on the first end（30）And there is fixed dress on the second end
It sets（32b）, by means of stick described in the fixing device（28,28a）It can be with the laser range finder（10）It is connected.
16. by the adapter described in claim 15（36）, which is characterized in that the stick（28,28a）It can infinitely extract out,
The wherein described Target Board（30）Leave the fixing device（32b）Spacing（38）It can infinitely adjust.
17. by the adapter described in claim 15（36）, which is characterized in that the stick（28,28a）It can rout up, wherein institute
State Target Board（30）Leave the fixing device（32b）Spacing（38）It can adjust step by step.
18. by the adapter described in any one of claim 15-17（36）, which is characterized in that the fixing device（32b）Tool
There is receptacle（34）, the receptacle is arranged for：It is at least partly received in state that is being pushed into or being collapsed
Stick（28,28a）.
19. by the adapter described in any one of claim 15-18（36）, which is characterized in that the stick（28,28a）With energy
Enough modes rotated around its longitudinal axis is realized, thus the Target Board（30）It can be around the stick（28,28a）'s
Longitudinal axis rotates.
20. by the adapter described in any one of claim 15-18（36）, which is characterized in that the stick（28,28a）As
Around the stick of its longitudinal axis anti-torsion（28,28a）It realizes, to eliminating the Target Board（30）Around the stick
（28,28a）Longitudinal axis rotation.
21. by the adapter described in any one of claim 15-20（36）, which is characterized in that the Target Board（30）It surrounds
It in perpendicular to the stick（28,28a）Longitudinal axis extend plane in axis can be tilted can rotate, especially
Mode be fixed.
22. by the adapter described in any one of claim 15-21（36）, which is characterized in that the Target Board（30）As
Plate-type component comes especially as with the plate-type component less than 5mm, preferably smaller than 3mm, the particularly preferably less than thickness of 1mm
It realizes.
23. by the adapter described in any one of claim 15-22（36）, which is characterized in that the stick（28,28a）Have
Motorization, the driving mechanism that especially automates, the Target Board using the driving mechanism（30）From
Open the laser ranging system（10）Specific spacing（38）It can automatically adjust.
24. by the adapter described in any one of claim 15-23（36）, which is characterized in that it is described can extracting out or
The stick that can be routed up（28,28a）There is the Target Board in state that is completely extracted or being routed up（30）Leave institute
State fixing device（32b）At least 100cm, preferably at least 200cm, the particularly preferred at least spacing of 300cm（38）.
25. by the adapter described in any one of claim 15-24（36）, which is characterized in that the fixing device（32b）Tool
There are screw-bolt 40, the screw-bolt to be used to the adapter being arranged in laser ranging system（10）On.
Applications Claiming Priority (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202017102500 | 2017-04-27 | ||
| DE202017102500.4 | 2017-04-27 | ||
| DE2020171025004 | 2017-04-27 | ||
| DE2020171056198 | 2017-09-18 | ||
| DE202017105619.8 | 2017-09-18 | ||
| DE202017105619.8U DE202017105619U1 (en) | 2017-04-27 | 2017-09-18 | Hand-held laser rangefinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108802747A true CN108802747A (en) | 2018-11-13 |
| CN108802747B CN108802747B (en) | 2024-06-07 |
Family
ID=
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Also Published As
| Publication number | Publication date |
|---|---|
| DE202017105619U1 (en) | 2017-09-28 |
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