CN105627857A - Measuring tape - Google Patents
Measuring tape Download PDFInfo
- Publication number
- CN105627857A CN105627857A CN201410614336.7A CN201410614336A CN105627857A CN 105627857 A CN105627857 A CN 105627857A CN 201410614336 A CN201410614336 A CN 201410614336A CN 105627857 A CN105627857 A CN 105627857A
- Authority
- CN
- China
- Prior art keywords
- laser ranging
- tape measure
- parallel
- conversion element
- photo
- 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.)
- Granted
Links
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention discloses a measuring tape which comprises a housing, a scroll and a blade. The measuring tape further comprises a laser ranging device, which can emit a detection light beam parallel to a first direction to measure a target distance; a laser source, generating a laser beam; a light path assembly, which at least can enabling the laser beam generated by the laser source to act as the detection light beam of the laser ranging device; a photoelectric conversion element, which can convert a light signal into an electric signal; and a power supply, accommodated in the housing to at least supply power for the laser source. The light path assembly further comprises a turning optical element, which at least can turn reflective light that is parallel to the first direction and formed after the detection light beam is reflected by an object to be along a direction parallel to a second direction. The turning optical element is located between the laser source and the photoelectric conversion element. The measuring tape is provided internally with the laser ranging device, is reasonable in size and can measuring a relatively far target distance.
Description
Technical field
The present invention relates to range unit, a kind of tape measure with laser ranging system of specific design.
Background technology
Tape measure is as existing conventional a kind of range unit, it is because being subject to the restriction of tape measure overall dimensions, the limited length of its internal tape for measuring, it is subject to the restriction of overall dimensions, thus it can only measure limited distance, the difficulty then run into when needing measurement target range farther out for some.
Summary of the invention
For solving the deficiencies in the prior art, it is an object of the invention to provide a kind of tape measure that there is Sizes and target range farther out can be measured.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that:
A kind of tape measure, including:
Shell;
Spool, is contained in shell;
Tape, is wound at least partly on spool and has a ruler end part that can stretch out shell;
Tape measure also includes:
Laser ranging system, can pass through to launch the detection light velocity measurement target range being parallel to first direction;
Laser ranging system includes:
Lasing light emitter, produces laser beam;
Optical path component, at least can make laser beam that lasing light emitter produces as the detection light beam of laser ranging system;
Photo-electric conversion element, can convert optical signals to the signal of telecommunication;
Power supply, is contained in shell and is at least lasing light emitter powers;
Optical path component at least also includes:
Turning to optical element, the reflection turn light rays being parallel to first direction that at least can be formed after object reflects by detection light beam is to along the direction being parallel to second direction;
Turn to optical element between lasing light emitter and photo-electric conversion element.
Further, photo-electric conversion element and turn to optical element approximately along be parallel to second direction direction arrange, first direction is perpendicular to second direction.
Further, first direction is perpendicular to second direction, and in a second direction, the distance between lasing light emitter and photo-electric conversion element is more than lasing light emitter and turns to the distance between optical element.
Further, stretching out of tape is oriented parallel to first direction.
Further, spool has a central axis, the plane that centerline axis parallel is determined in first direction and second direction.
Further, laser ranging system also includes:
Display module, including a display screen that can show laser ranging information;
Tape measure also includes:
Operating assembly;
Operating assembly includes:
Laser ranging button, for carrying out laser ranging for user operation to start laser ranging system;
Locking button, stretches out the length of shell for locking tape;
Wherein, the projection in the plane that display screen, laser ranging button, locking button are determined with second direction in a first direction arranges in the first direction, and the projection of laser ranging button is between the projection of display screen and locking button.
Further, shell includes an operating portion, display module and operating assembly and is arranged at operating portion, and laser ranging system is between operating assembly and ruler end part.
Further, photo-electric conversion element at least includes a PN junction plane being parallel to first direction.
Further, optical path component also includes:
Collecting lens, for receiving the reflection light that detection light beam is formed after object reflects;
Distance between optical axis and the optical axis of detection light beam of collecting lens is less than the distance between the optical axis of photo-electric conversion element and detection light beam.
Further, collecting lens includes an arc curve mirror, and arc curve mirror exposes shell at least partly, the optical axis of the midpoint deviation collecting lens of the camber line that arc curve mirror is parallel to first direction at the same time and second direction cross section intercepts.
The invention have benefit that: this tape measure can not only be found range by conventional tape, laser ranging can be carried out by laser ranging system simultaneously, so, what not only make this tape measure measures distance not by the restriction of the length of tape, there is isolation object between tested point and target range without because laser ranging system can not be measured and target can not be measured, both cover the shortage mutually, optionally use according to practical situation, so that the use of the tape measure of the present invention is unrestricted, more convenient, extensively, and the reasonable in internal structure of wherein laser ranging system, low-profile.
Accompanying drawing explanation
Fig. 1 show the structural representation of the tape measure of the present invention;
The tape measure that Fig. 2 show in Fig. 1 removes the internal view after part enclosure;
The axonometric chart of the part-structure of the laser ranging system that Fig. 3 show in Fig. 2;
The plane graph of the part-structure of the laser ranging system that Fig. 4 show in Fig. 3;
The enlarged diagram of the collecting lens that Fig. 5 show in Fig. 3;
The structural representation of the light path pedestal that Fig. 6 show in Fig. 3.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention done concrete introduction.
The present invention proposes a kind of tape measure with laser ranging system 40, and the arrangement of this tape measure internal structure is reasonable, low-profile. Fig. 1 show the structural representation of the tape measure of the present invention; The tape measure that Fig. 2 show in Fig. 1 removes the internal view after part enclosure. Please with reference to Fig. 1 and Fig. 2, the tape measure 1 of the present invention includes: shell 10, spool 20, tape 30, laser ranging system 40, operating assembly 50.
Shell 10 is primarily used to form the profile of tape measure 1, and is assembled by remainder as a whole. Concrete, shell 10 includes: main casing 11 and auxiliary housing 12, and wherein, main casing 11 is for housing the part being wound on spool 20 of spool 20 and tape 30. Auxiliary housing 12 is one-body molded with main casing 11, extends out on main casing 11, and this auxiliary housing 12 is mainly used in housing laser ranging system 40. Preferably, main casing 11 is substantially round in shape, and with the mating shapes of spool 20, auxiliary housing 12 is generally rectangular shaped.
Spool 20 is used for winding tape 30, is contained in the main casing 11 of shell 10. It has a central axis Y, is additionally provided with the rotation pivot 21 that an opposite shell 10 is fixing at central axis Y place. Spool 20 can relatively rotate pivot 21 and rotate, and makes tape 30 opposite shell 10 stretch out or retract by rotation.
Tape 30 winds portions is on spool 20, comprising: ruler end part 31 and fixed part (figure does not mark), wherein fixed part is fixed on spool 20, and ruler end part 31 can stretch out shell 10.
The axonometric chart of the part-structure of the laser ranging system that Fig. 3 show in Fig. 2. Please with reference to Fig. 1 to Fig. 3, laser ranging system can be launched the detection light beam A being parallel to first direction X and measure target range, comprising: lasing light emitter 41, optical path component 42, photo-electric conversion element 43, power supply (figure does not mark), display module 44.
Lasing light emitter 41 is generated and transmitted by the laser beam linearly propagated. Specifically, lasing light emitter 41 includes: can launch the laser tube 411 of laser and control the light source circuit board 412 of this laser tube 411. Power supply is electrically connected to light source circuit board 412 and powers for lasing light emitter 41.
The plane graph of the part-structure of the laser ranging system that Fig. 4 show in Fig. 3. please with reference to Fig. 1 to Fig. 4, in this application, the laser beam produced by lasing light emitter 41 and reflect without the object outside laser ranging system 40 is called detection light beam A, and the laser beam that the object (being generally the object of detecting distance) outside laser ranging system 40 reflects is called reflection light B, wherein detection light beam A X in the first direction extends, and reflect light B and be parallel to first direction X, certainly, it is understood that, the light being reflected by the object not only only is parallel to the light of first direction X, also there is other the light along other directions dispersed, here, the light received with the available element 43 that can be photoelectrically converted that we prefer that is reflection light B, that is to say the light being parallel to first direction X in all light reflected.
The laser beam that optical path component 42 produces for making lasing light emitter 41 is as the detection light beam A of laser ranging system 40, and the reflection light B of the formation element 43 that is photoelectrically converted is received after this detection light beam A can be made to be reflected by the object. Concrete, comprising: emitting light path assembly (figure does not mark), detection optical path component (figure does not mark) and light path pedestal 421.
The laser beam X in the first direction that lasing light emitter 41 sends at least can be led out shell 10 using as detecting light beam A by emitting light path assembly. Light path pedestal 421 at least forms an exit channel so that laser beam is by light path pedestal 421 at the first direction X of detection light beam A outgoing.
Preferably, emitting light path assembly at least also includes: the liquid crystal cell 422 that can polarization light be deflected, for realizing the light transmission medium sheet 423 of interior light path. Incident laser beam therein can be separated a branch of to photo-electric conversion element 43 as reference path by light transmission medium sheet 423, relatively detects testing distance thereby through reference path and reflection light B.
Detection optical path component, at least can be directed to photo-electric conversion element 43 by the reflection light B Y in a second direction that detection light beam A reflects through object, and specifically, detection optical path component includes: turn to optical element 424 and collecting lens 425.
The reflection light B that optical element 424 can make to be parallel to first direction X is turned to be diverted to second direction Y, then along this second direction Y incident light electric transition element 43. Turn to optical element 424 between lasing light emitter 41 and photo-electric conversion element 43.
The enlarged diagram of the collecting lens that Fig. 5 show in Fig. 3. Please with reference to Fig. 5, collecting lens 425 is for receiving the reflection light B that detection light beam A is formed after object reflects, and is introduced in detection optical path component. Concrete, collecting lens 425 includes an arc curve mirror 425a, this arc curve mirror 425a part and exposes shell 10, and mentioned here exposing refers to arc curve mirror 425a and can at least be seen a part from shell 10 is outer. The midpoint O of the camber line that arc curve mirror 425a is parallel to first direction X at the same time and second direction Y cross section intercepts deviates the optical axis L of arc curve mirror 425a, that is the optical axis L of arc curve mirror 425a is biased into the detection light beam A near injection, and in other words arc curve mirror 425a both sides are asymmetric structure. So it is advantageous in that and makes collecting lens 425 can effectively collect more reflection light B.
The structural representation of the light path pedestal that Fig. 6 show in Fig. 3. Please with reference to Fig. 6, light path pedestal 421 supports emitting light path assembly and detection optical path component for fixing. Concrete, light path pedestal 421 is arranged at the one end in shell 10, comprising: exit portion 421a and test section 421b, exit portion 421a is used for supporting emitting light path assembly, test section 421b is used for supporting detection optical path component, and wherein test section 421b is also located at the side of the X in the first direction of exit portion 421a. Additionally as preferred version, the test section 421b place of light path pedestal 421 is formed and makes reflection light B can be turned to optical element 424 by collecting lens 425 arrival and then reflex to the incidence channel (figure does not mark) of photo-electric conversion element 43. As preferably, incidence channel is by collecting lens 425 to the stepped channels structure 421c turning to optical element 424 to constitute to gradually taper up, and it is made up of multiple cascaded surfaces, and cascaded surface can get rid of the interference of light, improves the accuracy of laser ranging.
Photo-electric conversion element 43 is for converting the light that reflection light B guiding is come in the signal of telecommunication. In order to realize range finding, also including: testing circuit plate 45 in laser ranging system 40, testing circuit plate 45 electrically connects with photo-electric conversion element 43, mainly for the treatment of the signal of telecommunication that photo-electric conversion element 43 produces. Concrete, this photo-electric conversion element 43 is arranged at the side away from exit portion 421a of the test section 421b of light path pedestal 421, so makes the optical element 424 that turns in test section 421b may be located between photo-electric conversion element 43 and lasing light emitter 41.
Power capacity is in shell 10, and its various piece being mainly in laser ranging system 40 is powered, such as lasing light emitter 41, photo-electric conversion element 43 and display module 44 etc. Specifically, power supply includes: a cell device (not shown), is the portability that laser ranging system 40 power supply can improve laser ranging system 40 with cell device.
Display module 44 is mainly used in the corresponding information of user feedback, specifically, display module 44 includes: a display screen 441 that can show ranging information, this display screen 441 is positioned at the side of shell 10, and it is positioned at one end of the close laser ranging system 40 of shell 10, in other words one end closer to laser ranging system 40, one end housing spool 20 of opposite shell 10, more specifically, display screen 441 is positioned on the auxiliary housing 12 of shell 10.
Operating assembly 50 in tape measure 1 is mainly used in being operated for user, and specifically, operating assembly 50 includes: locking button 51 and laser ranging button 52. Wherein, locking button 51 for locking tape 30 when tape 30 opposite shell 10 stretches out certain length, and laser ranging button 52 carries out laser ranging for starting laser ranging system 40 for user.
Preferably, the position of each parts of the tape measure 1 of the present invention is also made that special setting: what tape 30 was stretched out is oriented parallel to first direction X, that is to say that the direction stretching out direction and laser ranging system 40 injection detection light beam A of tape 30 is parallel to each other; The central axis Y-direction of spool 20 is also parallel with the determined plane of first direction X and second direction Y; The projection X in the first direction arrangement of display screen 441, laser ranging button 52 and the determined plane of locking button 51 X in a first direction and second direction Y, and the projection of laser ranging button 52 is between the projection of display screen 441 and locking button 51; Shell 10 is additionally provided with an operating portion 13, and this operating portion 13 is positioned at main casing 11 and the same side of auxiliary housing 12, display module 44 and operating assembly 50 and is positioned on this operating portion 13, and laser ranging system 40 is between the ruler end part 31 of operating assembly 50 and tape 30. So so that spool 20 in the tape measure 1 of the present invention, tape 30, laser ranging system 40 relative position rational in infrastructure, and the size of whole tape measure 1 can be reduced.
In conventional light path system, do not turn to optical element 424, but be set to photo-electric conversion element 43 directly receive the reflection light B being parallel to detection light beam A, now lasing light emitter 41 and photo-electric conversion element 43 are often design side by side, if making lasing light emitter 41 near photo-electric conversion element 43, making between them and supporting to produce between their circuit interference, if they away from, then reflection light B(is on the direction of vertical reflection light B, more big the closer to source reflection light B intensity) quite a few can not return to photo-electric conversion element 43, the effect of impact range finding and precision.
And in this application, then have employed and turn to optical element 424, such it is advantageous in that: make photo-electric conversion element 43 can not design side by side with the laser tube 411 of lasing light emitter 41, it is made to remain in the position being relatively distant from laser tube 411 receive most reflection light B, moreover, photo-electric conversion element 43 and the lasing light emitter 41 of relative separation design can make their testing circuit plate 45 of connection and light source circuit board 412 can be provided separately in shell 10, especially on the thickness direction of shell 10. Preferably, testing circuit plate 45, light source circuit board 412 are also mutually perpendicular to, and both of which is perpendicular to the determined plane of first direction X and second direction Y. The shell 10 gauge on the first direction X being perpendicular to detection light beam A outgoing is so made to be controlled effectively.
Preferably, first direction X is perpendicular to second direction Y, say, that turn to the reflection light B reflection that optical element 424 is set to be emitted back towards X to be in the first direction diverted to the second direction Y vertical with first direction X. As further preferred version, photo-electric conversion element 43 and turn to optical element 424 to arrange approximately along the direction being parallel to second direction Y, Y in a second direction mentioned here setting refers to photo-electric conversion element 43 and relatively turns to the position of optical element 424, so, the position of photo-electric conversion element 43 is also adapted to receive the light being perpendicular to first direction X.
Further, on second direction Y, the distance between lasing light emitter 41 and photo-electric conversion element 43 is more than lasing light emitter 41 and turns to the distance between optical element 424; Corresponding, distance between optical axis L and the optical axis of detection light beam A of collecting lens 425 is less than the distance between the optical axis of photo-electric conversion element 43 and detection light beam A, and the distance between distance and the optical axis of photo-electric conversion element 43 and detection light beam A between the optical axis of the optical axis L of collecting lens 425 and detection light beam A is between 0.1-0.7. So, on second direction Y, turn to optical element 424 between lasing light emitter 41 and photo-electric conversion element 43, collecting lens 425 is between detection light beam A and photo-electric conversion element 43, making interior lights line structure arrange rationally, detection light beam A reflection light B after object reflects can arrive after being received by collecting lens 425 and turn to optical element 424, then turns to second direction Y and is incident upon photo-electric conversion element 43, realize range finding, and make whole laser ranging system 40 compact structure
As preferred further, photo-electric conversion element 43 at least includes a PN junction plane (not shown) being parallel to first direction X. Specifically; photo-electric conversion element 43 can adopt a photodiode to realize; this photodiode includes: the transparent shroud (not shown) of PN junction plane and protection PN pitch plane; this photodiode more having choosing is avalanche photodide (APD, AvaanchePhotoDiode).
The tape measure 1 of the present invention can not only pass through conventional tape 30 and find range, laser ranging system 40 can be passed through simultaneously and carry out laser ranging, so, what not only make this tape measure 1 measures distance not by the restriction of the length of tape 30, there is isolation object between tested point and target range without because laser ranging system 40 can not be measured and target can not be measured, both cover the shortage mutually, optionally use according to practical situation, so that the use of the tape measure 1 of the present invention is unrestricted, more convenient, extensively, and the reasonable in internal structure of wherein laser ranging system 40, low-profile.
The ultimate principle of the present invention, principal character and advantage have more than been shown and described. Skilled person will appreciate that of the industry, above-described embodiment does not limit the present invention in any form, and all employings are equal to the technical scheme that the mode of replacement or equivalent transformation obtains, and all fall within protection scope of the present invention.
Claims (10)
1. a tape measure, including:
Shell;
Spool, is contained in described shell;
Tape, is wound at least partly on described spool and has a ruler end part that can stretch out described shell;
It is characterized in that:
Described tape measure also includes:
Laser ranging system, can pass through to launch the detection light velocity measurement target range being parallel to first direction;
Described laser ranging system includes:
Lasing light emitter, produces laser beam;
Optical path component, at least can make described laser beam that described lasing light emitter produces as the described detection light beam of described laser ranging system;
Photo-electric conversion element, can convert optical signals to the signal of telecommunication;
Power supply, accommodation is at least described lasing light emitter in the housing and powers;
Described optical path component at least also includes:
Turn to optical element, at least the reflection turn light rays the being parallel to described first direction extremely edge that described detection light beam is formed after object reflects can be parallel to the direction of second direction;
Described turn to optical element between described lasing light emitter and described photo-electric conversion element.
2. tape measure according to claim 1, it is characterised in that described photo-electric conversion element and described turn to optical element approximately along be parallel to described second direction direction arrange, described first direction is perpendicular to described second direction.
3. tape measure according to claim 1, it is characterized in that, described first direction is perpendicular to described second direction, and in this second direction, the distance between described lasing light emitter and described photo-electric conversion element is more than described lasing light emitter and the described distance turned between optical element.
4. tape measure according to claim 1, it is characterised in that stretching out of described tape is oriented parallel to described first direction.
5. tape measure according to claim 1, it is characterised in that described spool has a central axis, the plane that described centerline axis parallel is determined in described first direction and described second direction.
6. tape measure according to claim 1, it is characterised in that
Described laser ranging system also includes:
Display module, including a display screen that can show laser ranging information;
Described tape measure also includes:
Operating assembly;
Described operating assembly includes:
Laser ranging button, for carrying out laser ranging for user operation to start described laser ranging system;
Locking button, stretches out the length of described shell for locking described tape;
Wherein, described display screen, described laser ranging button, the projection in the plane that described first direction and described second direction are determined of the described locking button arrange in the first direction, and the projection of described laser ranging button is between the projection of described display screen and described locking button.
7. tape measure according to claim 6, it is characterised in that described shell includes an operating portion, described display module and described operating assembly and is arranged at described operating portion, and described laser ranging system is between described operating assembly and described ruler end part.
8. the tape measure according to claim 1 to 7 any one, it is characterised in that described photo-electric conversion element at least includes a PN junction plane being parallel to described first direction.
9. the tape measure according to claim 1 to 7 any one, it is characterised in that described optical path component also includes:
Collecting lens, for receiving the described reflection light that described detection light beam is formed after object reflects;
Distance between optical axis and the optical axis of described detection light beam of described collecting lens is less than the distance between the optical axis of described photo-electric conversion element and described detection light beam.
10. the tape measure according to claim 1 to 7 any one, it is characterized in that, described collecting lens includes an arc curve mirror, described arc curve mirror exposes described shell at least partly, and the optical axis of described collecting lens is deviateed at the midpoint of the camber line that described arc curve mirror is parallel to described first direction at the same time and described second direction cross section intercepts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410614336.7A CN105627857B (en) | 2014-11-04 | 2014-11-04 | Tape measure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410614336.7A CN105627857B (en) | 2014-11-04 | 2014-11-04 | Tape measure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105627857A true CN105627857A (en) | 2016-06-01 |
| CN105627857B CN105627857B (en) | 2018-08-07 |
Family
ID=56043014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410614336.7A Active CN105627857B (en) | 2014-11-04 | 2014-11-04 | Tape measure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105627857B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871832A (en) * | 2017-04-25 | 2017-06-20 | 苏州蓝王机床工具科技有限公司 | A kind of multifunction combined measuring scale |
| CN107976682A (en) * | 2016-10-25 | 2018-05-01 | 杭州巨星工具有限公司 | A kind of range unit |
| WO2018076178A1 (en) * | 2016-10-25 | 2018-05-03 | 杭州巨星工具有限公司 | Distance measuring device |
| WO2018232621A1 (en) * | 2017-06-21 | 2018-12-27 | 杭州巨星科技股份有限公司 | Distance measurement device |
| CN109100732A (en) * | 2017-06-21 | 2018-12-28 | 杭州巨星智能科技有限公司 | A kind of range unit |
| CN110057350A (en) * | 2019-05-20 | 2019-07-26 | 贵州师范大学 | A kind of Karst region plant population spatial distribution measurement device and method |
| CN111102894A (en) * | 2019-12-31 | 2020-05-05 | 河南中鼎安装工程有限公司 | Multifunctional measuring tape |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2685816Y (en) * | 2004-03-30 | 2005-03-16 | 黄高明 | Multifunction band tape |
| JP2005083997A (en) * | 2003-09-10 | 2005-03-31 | Ricoh Co Ltd | Optical sensor and image forming apparatus |
| CN2798035Y (en) * | 2005-05-25 | 2006-07-19 | 来延安 | Laser flexible rule |
| JP2008286595A (en) * | 2007-05-16 | 2008-11-27 | Ihi Corp | Laser range finder |
| CN202230201U (en) * | 2011-09-17 | 2012-05-23 | 广州大学 | Closed loop laser scanning range-finding device |
| CN102645738A (en) * | 2012-04-23 | 2012-08-22 | 南京德朔实业有限公司 | Laser range finder and condensing mirror applicable for receiving light of laser range finder |
| CN202837547U (en) * | 2012-10-09 | 2013-03-27 | 仲阳企业有限公司 | Dual system measuring device |
| DE102013217715B3 (en) * | 2013-09-05 | 2014-07-10 | Ifm Electronic Gmbh | Optical proximity switch has transmitter, receiver and evaluation circuit that are fixed to deviating prism which is provided with Fresnel structure that is arranged on beam direction deflecting surface |
-
2014
- 2014-11-04 CN CN201410614336.7A patent/CN105627857B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005083997A (en) * | 2003-09-10 | 2005-03-31 | Ricoh Co Ltd | Optical sensor and image forming apparatus |
| CN2685816Y (en) * | 2004-03-30 | 2005-03-16 | 黄高明 | Multifunction band tape |
| CN2798035Y (en) * | 2005-05-25 | 2006-07-19 | 来延安 | Laser flexible rule |
| JP2008286595A (en) * | 2007-05-16 | 2008-11-27 | Ihi Corp | Laser range finder |
| CN202230201U (en) * | 2011-09-17 | 2012-05-23 | 广州大学 | Closed loop laser scanning range-finding device |
| CN102645738A (en) * | 2012-04-23 | 2012-08-22 | 南京德朔实业有限公司 | Laser range finder and condensing mirror applicable for receiving light of laser range finder |
| CN202837547U (en) * | 2012-10-09 | 2013-03-27 | 仲阳企业有限公司 | Dual system measuring device |
| DE102013217715B3 (en) * | 2013-09-05 | 2014-07-10 | Ifm Electronic Gmbh | Optical proximity switch has transmitter, receiver and evaluation circuit that are fixed to deviating prism which is provided with Fresnel structure that is arranged on beam direction deflecting surface |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11156444B2 (en) | 2016-10-25 | 2021-10-26 | Hangzhou Great Star Industrial Co., Ltd. | Distance measuring device |
| WO2018076178A1 (en) * | 2016-10-25 | 2018-05-03 | 杭州巨星工具有限公司 | Distance measuring device |
| JP2019533162A (en) * | 2016-10-25 | 2019-11-14 | 杭州巨星工具有限公司 | Distance measuring device |
| AU2016427468B2 (en) * | 2016-10-25 | 2022-10-13 | Hangzhou Great Star Industrial Co., Ltd. | Distance measuring device |
| EP3483551A4 (en) * | 2016-10-25 | 2019-07-10 | Hangzhou Great Star Tools Co., Ltd. | Distance measuring device |
| CN107976682A (en) * | 2016-10-25 | 2018-05-01 | 杭州巨星工具有限公司 | A kind of range unit |
| JP2021144059A (en) * | 2016-10-25 | 2021-09-24 | 杭州巨星工具有限公司 | Distance measuring device |
| CN106871832A (en) * | 2017-04-25 | 2017-06-20 | 苏州蓝王机床工具科技有限公司 | A kind of multifunction combined measuring scale |
| CN109100732A (en) * | 2017-06-21 | 2018-12-28 | 杭州巨星智能科技有限公司 | A kind of range unit |
| EP3483631A4 (en) * | 2017-06-21 | 2019-10-02 | Hangzhou Great Star Industrial Co., Ltd. | Distance measurement device |
| US11143494B2 (en) | 2017-06-21 | 2021-10-12 | Hangzhou Great Star Industrial Co., Ltd. | Distance measuring device |
| EP3998497A1 (en) * | 2017-06-21 | 2022-05-18 | Hangzhou Great Star Industrial Co., Ltd. | Distance measurement device |
| WO2018232621A1 (en) * | 2017-06-21 | 2018-12-27 | 杭州巨星科技股份有限公司 | Distance measurement device |
| AU2017419296B2 (en) * | 2017-06-21 | 2023-09-14 | Hangzhou Great Star Industrial Co., Ltd. | Distance measurement device |
| CN110057350A (en) * | 2019-05-20 | 2019-07-26 | 贵州师范大学 | A kind of Karst region plant population spatial distribution measurement device and method |
| CN111102894A (en) * | 2019-12-31 | 2020-05-05 | 河南中鼎安装工程有限公司 | Multifunctional measuring tape |
| CN111102894B (en) * | 2019-12-31 | 2022-02-01 | 中鼎建安集团有限公司 | Multifunctional measuring tape |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105627857B (en) | 2018-08-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105627857A (en) | Measuring tape | |
| AU2005100959A4 (en) | Laser Distance Measuring Device | |
| CN102221450B (en) | Tracking-pointing deviation measurement device for laser system | |
| RU2015144501A (en) | SURFACE RURGE MEASUREMENT DEVICE | |
| US20070030474A1 (en) | Optical range finder | |
| CN204649617U (en) | A kind of tunable laser humidity measuring instrument | |
| CN205808344U (en) | Displacement transducer | |
| CN106033054A (en) | Laser temperature and humidity measurement apparatus and temperature and humidity measurement method | |
| CN102621558A (en) | Laser radar visibility meter and transceiving coaxial optical system thereof | |
| CN111537453A (en) | Two-dimensional multi-point reflection long-optical-path gas sensor probe and gas sensor | |
| CN206772438U (en) | Absorption and fluorescence spectrum detecting device based on mobile intelligent terminal | |
| CN102004283B (en) | Optical fiber coupling White cavity | |
| CN109443219B (en) | Novel displacement sensor with refractive mirror and measuring method thereof | |
| KR100763974B1 (en) | Method and apparatus for aligning optical axis for wavefront sensor for mid-infrared band | |
| JP6605096B1 (en) | Optical liquid level measuring device | |
| CN204789995U (en) | Ranging system | |
| JP2010060298A (en) | Lamp tool unit and object detector | |
| KR100781968B1 (en) | Variable light-path gas density sensor | |
| CN103885133A (en) | Optical communication device | |
| CN201004103Y (en) | Single fiber multi-direction photoelectric module | |
| CN202083633U (en) | Miniature laser gas detection platform with multi-reflection sample chamber | |
| CN217466653U (en) | Miniature gas absorption cell of long light path | |
| CN110441200B (en) | Laser measuring device | |
| WO2016068504A1 (en) | Multi-function spectroscopic device | |
| CN105629256A (en) | Laser rangefinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 211106 No. 529, 159, Jiangjun Avenue, Jiangning District, Nanjing, Jiangsu Province Patentee after: Nanjing Quanfeng Technology Co.,Ltd. Address before: 211106, No. 159, general road, Jiangning economic and Technological Development Zone, Nanjing, Jiangsu Patentee before: NANJING CHERVON INDUSTRY Co.,Ltd. |