CN103149567A - Distance measuring device - Google Patents
Distance measuring device Download PDFInfo
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- CN103149567A CN103149567A CN2011104036719A CN201110403671A CN103149567A CN 103149567 A CN103149567 A CN 103149567A CN 2011104036719 A CN2011104036719 A CN 2011104036719A CN 201110403671 A CN201110403671 A CN 201110403671A CN 103149567 A CN103149567 A CN 103149567A
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- distance measuring
- refractor
- measuring equipment
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- light beam
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Abstract
The invention relates to a distance measuring device, which is used for measuring the distance between a target object and the distance measuring device; the distance measuring device mainly comprises a machine body, a refraction lens, a distance measuring light source and a light receiver, wherein the refraction lens is movably arranged in the machine body and is provided with an incident surface and an emergent surface, and the emergent surface is not parallel to the incident surface; the distance measuring light source is arranged in the machine body and used for generating a distance measuring light beam, and the distance measuring light beam enters the refraction lens from the incident surface of the refraction lens and leaves the refraction lens from the emergent surface to irradiate to the target object; the light receiver is arranged in the machine body; the receiving lens is arranged on the machine body and used for projecting the ranging light beam reflected by the target object on the light receiver.
Description
Technical field
The present invention is relevant with distance measuring, in more detail refers to a kind of distance measuring equipment.
Background technology
Along with the progress of science and technology, the distance measuring device that the instrument of distance measuring also utilizes the optical reflection principle to calculate distance by instruments such as tape measure, tape measures gradually instead replaces, and can not only save time and more accurate at long distance measuring.
See also Fig. 1, known distance measuring equipment 2 includes body 50, optical receiver 51, reference light source 52, catoptron 53 and range finding light source 54, and wherein, this optical receiver 51 is located in this body 50; This reference light source 52 sees through two bolts 60 and is fixedly arranged on this body 50, in order to produce reference beam L3; This catoptron 53 is fixedly arranged in this body 50, in order to reflex to this optical receiver 51 with reference to light beam L3; This range finding light source 54 sees through four bolts 61 and is fixedly arranged in this body 50, in order to launch distance measuring light beam L4 to object 110, and distance measuring light beam L4 is again by reflexing to this optical receiver 51 on this object 110, use and utilize this optical receiver 51 to receive reference beam L3 and distance measuring light beam L4, and utilize the phase differential that receives between reference beam L3 and distance measuring light beam L4 to reach measurement and calculate and the purpose of the distance of 110 of this objects.
This above-mentioned distance measuring equipment 2 all can carry out the correction of reference beam L3 and distance measuring light beam L4 in dispatching from the factory front or when maintenance, the correctness when guaranteeing this distance measuring equipment 2 measurement.And this distance measuring equipment 2 utilizes and adjusts bolts 60, partially moving this reference light source 52 of mode and this range finding light source 54 of 61, uses skew reference beam L3 and distance measuring light beam L4 to the precalculated position, and then reaches the purpose of correction.Yet above-mentioned structural design and the mode of correction are not only adjusted difficult, and the elasticity of bolt 60,61 when screwing also can affect configuration and the durability of this distance measuring equipment 2.In other words, when bolt 60,61 revolves when establishing undertighten, can cause this reference light source 52 and this range finding light source 54 to become flexible; And too closely the time, easily cause this reference light source 52, this range finding light source 54 or burst apart or damage by its internals when bolt 60,61 screws.Therefore, the design of known distance measuring equipment 2 is not attained perfect yet, and the part that still haves much room for improvement.
Summary of the invention
The technical problem to be solved in the present invention is, proofread and correct by adjusting bolt for distance measuring equipment in prior art, adjust the defective that is difficult for and easily causes internals to damage, a kind of distance measuring equipment is provided, adjust easy and be difficult for causing the internals infringement.
The present invention is that the technical scheme that its technical matters of solution adopts is, a kind of distance measuring equipment is provided, in order to the distance between measurement and object; This distance measuring equipment includes body, refractor, range finding light source, optical receiver, and wherein, this refractor is located in this body in movable mode, has the plane of incidence and exit facet, and this exit facet is not parallel to this plane of incidence; This range finding light source is located in this body, and in order to producing distance measuring light beam, and this distance measuring light beam be from should inject in this refractor from this plane of incidence of this refractor, and left this refractor from this exit facet, and this object of directive; This optical receiver is located in this body; This reception camera lens is located on this body, in order to being projeced on this optical receiver from the distance measuring light beam of this object reflection.
In addition, the present invention more provides another distance measuring equipment, equally in order to measure the distance between itself and object; This distance measuring equipment includes body, range finding light source, optical receiver, reception camera lens, reference light source and catoptron, and this range finding light source is located in this body, in order to produce the distance measuring light beam of this object direction emission; This optical receiver is located in this body; This reception camera lens is located on this body, in order to being projeced on this optical receiver from the distance measuring light beam of this object reflection; This reference light source is located in this body, in order to produce reference beam; This catoptron is located in this body in movable mode, in order to receive and to reflect this reference beam to this optical receiver.
According to above-mentioned design, have the polygon groove on this body, and the bottom land of this polygon groove has perforation; This refractor is arranged in this polygon groove and covers this perforation.
According to above-mentioned design, have the hole on this body, and this catoptron is arranged in this hole.
By this, see through above-mentioned design, be difficult for causing the internals infringement when not only easily adjusting this range finding light source and this reference light source with correction distance measuring light beam and reference beam and adjustment.
Description of drawings
Fig. 1 is the structural drawing of known distance measuring equipment.
Fig. 2 is the stereographic map of distance measuring equipment of the present invention.
Fig. 3 is the skeleton view of distance measuring equipment of the present invention.
Fig. 4 is the exploded view of distance measuring equipment of the present invention.
Fig. 5 and Fig. 6 disclose and utilize the turn catoptron to come the calibration reference light beam.
Fig. 7 and Fig. 8 disclose and utilize the turn refractor to proofread and correct distance measuring light beam.
Embodiment
For being illustrated more clearly in the present invention, hereby lifting preferred embodiment and coordinate accompanying drawing to be described in detail as follows.
See also Fig. 2 to Fig. 4, the distance measuring equipment 1 of preferred embodiment of the present invention includes body 10, optical receiver 20, reference light source 21, catoptron 22, range finding light source 23, refractor 24, collimation lens 25 and receives camera lens 26, wherein:
Have polygon groove 12 and hole 14 on this body 10, and the bottom land of this polygon groove 12 has perforation 16; In addition, this body 10 inside have accommodation space 18, and this accommodation space 18 is communicated with this polygon groove 12 and this hole 14.
This optical receiver 20 is arranged at this body 10 and is arranged in this accommodation space 18.In the present embodiment, this optical receiver 20 is avalanche photodide (Avalanche Photodiodes, APD), but not as limit, also can use on demand other optical receiver instead and replace.
See also Fig. 5, this reference light source 21 is located at this body 10 and is arranged in this accommodation space 18, in order to produce and to launch reference beam L1.In the present embodiment, this reference light source 21 is laser light emitting diodes, but not as limit, also other feasible light source.
Continuous consult Fig. 6, this catoptron 22 is located in this hole 14 of this body 10 in rotating mode, and is positioned on the path of this reference beam L1, in order to receive and to reflect this reference beam L1.The user can see through these catoptron 22 predetermined angulars of turn and make this reference beam L1 reflex to this optical receiver 20.
See also Fig. 7, this range finding light source 23 is located at this body 10 and is arranged in this accommodation space 18, uses the direction emission distance measuring light beam L2 of object 100 in the past.In the present embodiment, this range finding light source 23 is laser light emitting diodes, but not as limit, also other feasible light source.
Continue and consult Fig. 8, be located at after this refractor 24 turns an angle in this polygon groove 12 of this body 10, and the perforation 16 of covering these polygon groove 12 bottom lands.In the present embodiment, this refractor 24 is wedge-shaped lens, and has the plane of incidence 241 and exit facet 242, and this plane of incidence 241 is not parallel to this exit facet 242.The distance measuring light beam L2 that this range finding light source 23 produces is injected in this refractor 24 by this plane of incidence 241, and leaves this refractor 24 from this exit facet 242, and produces refraction and this object 100 of directive.By this, the user just can see through these refractor 24 predetermined angulars of turn, the distance measuring light beam L2 that makes this range finding light source 24 shoot to this object 100 produces skew and levels off to optical axis, can reflex to exactly this optical receiver 20 after making this object 100 of distance measuring light beam L2 directive.In addition, see through the design of above-mentioned polygon groove 12, can make this refractor 24 obtain better offset effect in the mode of segmentation adjustment.
This collimation lens 25 is located at this body 10 and is arranged in this perforation 16, and between this range finding light source 23 and this refractor 24, use so that distance measuring light beam L2 by the time have an effect of collimation.
This reception eyeglass 26 is located on this body 10, and is positioned on the path that distance measuring light beam L2 reflexes to this optical receiver 20, in order to receiving and to filter the distance measuring light beam L2 that reflects, and the accuracy can guarantee that this optical receiver 20 receives distance measuring light beam L2 the time.
By this, see through and adjust above-mentioned this catoptron 22 and this refractor 24, just can make reference beam L1 and distance measuring light beam L2 successfully reflect or reflex to this optical receiver 20, use that phase differential when utilizing this optical receiver 20 to receive reference beam L1 and distance measuring light beam L2 calculates and this object 100 between distance, and then reach the effect of range finding; In addition, see through the structural design of above-mentioned adjustment, can see through bolt and position with fixing, use the probability that reaches reduction correction of complex degree and significantly reduce the internals infringement.
Should be noted that, the above only is the better possible embodiments of the present invention, in above-described embodiment, this catoptron 22 is located in this body 10 in the mode of rotating with this refractor 24, but not as limit, as long as can change opticpath in movable mode, and reach purpose person of the present invention, also belong to the present invention's feasible enforcement aspect in addition.In addition, this refractor 24 also can utilize other structural design to reach the purpose of multisection type adjustment or stepless adjustment except utilizing the polygon groove to carry out the multisection type adjustment.Moreover this catoptron 22 also can utilize the fixing structure of groove to reach the effect that multistage is adjusted except the nothing section of using revolving type is adjusted.Again, after this refractor 24 and these catoptron 22 adjustment are completed, just can utilize UV cured glue (UV glue) or other fixing means gluing to fix this refractor 24 and this catoptron 22, proofread and correct the rear situation that skew occurs and can avoid this refractor 24 to adjust with this catoptron 22.Except said structure, such as use the equivalent structure variation that instructions of the present invention and claim are done, ought to be included in the scope of the claims of the present invention.
Claims (10)
1. distance measuring equipment, in order to measure and object between distance; It is characterized in that, this distance measuring equipment includes:
Body;
Refractor is located in this body in movable mode, has the plane of incidence and exit facet, and this exit facet is not parallel to this plane of incidence;
The range finding light source is located in this body, and in order to producing distance measuring light beam, and this distance measuring light beam injects in this refractor from this plane of incidence of this refractor, and leaves this refractor from this exit facet, and this object of directive;
Optical receiver is located in this body;
Receive camera lens, be located on this body, in order to being projeced on this optical receiver from the distance measuring light beam of this object reflection.
2. distance measuring equipment as claimed in claim 1, is characterized in that, this refractor is wedge-shaped lens.
3. distance measuring equipment as claimed in claim 1, is characterized in that, has more collimation lens between this range finding light source and this refractor.
4. distance measuring equipment as claimed in claim 1, is characterized in that, this refractor is located in this body in rotating mode.
5. distance measuring equipment as claimed in claim 4, is characterized in that, has the polygon groove on this body, and the bottom land of this polygon groove has perforation; This refractor is located in this polygon groove and covers this perforation after rotating predetermined angular.
6. distance measuring equipment as claimed in claim 1, is characterized in that, more includes reference light source and catoptron, and wherein, this reference light source is located in this body, shoots to this catoptron in order to produce reference beam; This catoptron is located in this body in movable mode, to receive and to reflect this reference beam to this optical receiver.
7. distance measuring equipment, in order to measure and object between distance; It is characterized in that, this distance measuring equipment includes:
Body;
The range finding light source is located on this body, in order to produce the distance measuring light beam of this object direction emission;
Optical receiver is located in this body;
Receive camera lens, be located on this body, in order to being projeced on this optical receiver from the distance measuring light beam of this object reflection;
Reference light source is located in this body, in order to produce reference beam;
Catoptron is located in this body in movable mode, to receive and to reflect this reference beam to this optical receiver.
8. distance measuring equipment as claimed in claim 7, is characterized in that, this catoptron is located in this body in rotating mode.
9. distance measuring equipment as claimed in claim 8, is characterized in that, has the hole on this body, and this catoptron is arranged in this hole in rotating mode.
10. distance measuring equipment as claimed in claim 7, is characterized in that, has more refractor, is located in this body in movable mode, has the plane of incidence and exit facet, and this exit facet is not parallel to this plane of incidence; This distance measuring light beam is injected in this refractor from this plane of incidence of this refractor, and leaves this refractor from this exit facet, and this object of directive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104036719A CN103149567A (en) | 2011-12-07 | 2011-12-07 | Distance measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104036719A CN103149567A (en) | 2011-12-07 | 2011-12-07 | Distance measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103149567A true CN103149567A (en) | 2013-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104036719A Pending CN103149567A (en) | 2011-12-07 | 2011-12-07 | Distance measuring device |
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| CN (1) | CN103149567A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104035098A (en) * | 2014-06-19 | 2014-09-10 | 仲炳华 | Light-diffusing-type light distance measuring instrument |
| CN106154249A (en) * | 2015-04-21 | 2016-11-23 | 信泰光学(深圳)有限公司 | Laser ruler calibration system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5949531A (en) * | 1993-05-15 | 1999-09-07 | Leica Geosystems Ag | Device for distance measurement |
| US20070263202A1 (en) * | 2005-06-06 | 2007-11-15 | Fumio Ohtomo | Distance Measuring Device |
| CN101349755A (en) * | 2007-07-19 | 2009-01-21 | 亚洲光学股份有限公司 | Apparatus and method for measuring distance by laser |
| TW201124706A (en) * | 2010-01-04 | 2011-07-16 | Asia Optical Co Inc | Rangefinder |
-
2011
- 2011-12-07 CN CN2011104036719A patent/CN103149567A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5949531A (en) * | 1993-05-15 | 1999-09-07 | Leica Geosystems Ag | Device for distance measurement |
| US20070263202A1 (en) * | 2005-06-06 | 2007-11-15 | Fumio Ohtomo | Distance Measuring Device |
| CN101349755A (en) * | 2007-07-19 | 2009-01-21 | 亚洲光学股份有限公司 | Apparatus and method for measuring distance by laser |
| TW201124706A (en) * | 2010-01-04 | 2011-07-16 | Asia Optical Co Inc | Rangefinder |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104035098A (en) * | 2014-06-19 | 2014-09-10 | 仲炳华 | Light-diffusing-type light distance measuring instrument |
| CN106154249A (en) * | 2015-04-21 | 2016-11-23 | 信泰光学(深圳)有限公司 | Laser ruler calibration system |
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Effective date of abandoning: 20160302 |
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