CN105510923A - Bidirectional laser range finder - Google Patents
Bidirectional laser range finder Download PDFInfo
- Publication number
- CN105510923A CN105510923A CN201410500490.1A CN201410500490A CN105510923A CN 105510923 A CN105510923 A CN 105510923A CN 201410500490 A CN201410500490 A CN 201410500490A CN 105510923 A CN105510923 A CN 105510923A
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- laser
- module
- range finder
- control module
- reversible
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- 230000002457 bidirectional effect Effects 0.000 title abstract description 3
- 230000002441 reversible effect Effects 0.000 claims description 17
- 238000010586 diagram Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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- Measurement Of Optical Distance (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention provides a bidirectional laser range finder. The laser range finder comprises a body, a control module disposed in the body, two laser modules, a display module, and a button module. The two laser modules are respectively disposed on two ends of the body, and are respectively electrically connected with the control module, and each of the laser modules comprises a laser transmitting end and a laser receiving end. The display module is disposed on the device, and is electrically connected with the control module. The button module is disposed on the device, and comprises a plurality of buttons, which are electrically connected with the control module. The two laser modules are used to transmit the laser toward two opposite outer sides of the body, and are used to receive the laser reflected by the two ends to be detected. The control module is used to calculate the travelling time difference or the wavelength phase difference of the laser of the two laser modules respectively, and then the distance between each of the laser modules and the corresponding end to be detected can be calculated, and then the actual total distance of the two ends to be detected can be acquired, and the problem of the conventional laser range finders of inconvenient use can be solved.
Description
Technical field
The present invention relates to a kind of laser range finder, espespecially a kind of laser range finder carrying out bidirectional ranging.
Background technology
Standing crop surveys the distance (distance such as between indoor two relative metopes or the distance of floor to ceiling) between two distant determinands, mostly be use tape measure or tape measure, because tape measure and tape measure need respectively against the end to be measured (or tested surface) of two determinands, and tape measure and tape measure have material to stretch or the problem of measuring error, another when ceiling excessive height, namely tape measure and tape measure cannot upwards extend this ceiling of contact smoothly, therefore the distance between existing use tape measure or tape measuring two determinand has curtailment, use inconvenience or the excessive problem of error.
And during the distance using laser range finder to measure between two determinands, mainly this laser range finder is resisted against a wherein end to be measured (as floor), this laser range finder is to another end to be measured (as ceiling) Emission Lasers and receives the laser that this end to be measured (ceiling) reflects, the traveling time being emitted to reception of laser is poor as calculated, can calculate the distance between two ends to be measured.But, existing laser range finder must make its laser produced vertical with end to be measured (or tested surface), easily produces error in measurement, in addition, laser range finder could must be measured the distance with another end to be measured against a wherein end to be measured during use, use and still have inconvenience.
Summary of the invention
As described in front take off, could must measure against wherein one end when existing laser range finder uses and distance between the other end, use and still have inconvenience, therefore fundamental purpose of the present invention is providing a reversible laser range finder, mainly on laser range finder, be provided with multiple laser module, with respectively towards opposite end transmitting/receiving laser, need can not calculate distance against a wherein end to be measured, solve the awkward problem of existing laser range finder.
The technical way taked for reaching aforementioned object makes aforementioned reversible laser range finder include:
One body;
One control module, it is located in body;
Dual-laser module, it is divided into the two ends of body, and each laser module includes a Laser emission end and a laser pick-off end, and these laser modules are electrically connected with control module respectively;
One display module, it is located on body, and this display module is electrically connected with control module;
One key-press module, it is located on body, and this key-press module includes most button, and each button is electrically connected with control module;
With this, two laser modules receive the laser of two ends to be measured reflections towards two opposite exterior lateral sides Emission Lasers of body respectively, this control module calculates traveling time difference or the wavelength phase difference of the laser of two laser modules respectively, to calculate two laser modules and two end distances to be measured respectively, and obtain total distance of two end reality to be measured.
The reversible laser range finder utilizing aforementioned components to form, by arranging two laser modules on the body of reversible laser range finder, two laser modules receive the laser of each end to be measured reflection towards two opposite exterior lateral sides Emission Lasers of body respectively, this control module calculates traveling time difference or the wavelength phase difference of the laser of two laser modules respectively, to calculate two laser modules and two end distances to be measured respectively, add the length of body, total distance of two end reality to be measured can be obtained, do not need just can calculate distance as existing laser range finder need be resisted against end to be measured in time using, solve the awkward problem of existing laser range finder.
Accompanying drawing explanation
Fig. 1 is the circuit block diagram of a preferred embodiment of the present invention.
Fig. 2 is the use schematic diagram of a preferred embodiment of the present invention.
Fig. 3 is the stereographic map of the front end of a preferred embodiment of the present invention.
Fig. 4 is the stereographic map of the rear end of a preferred embodiment of the present invention.
Drawing reference numeral
10 body 20 control modules
30 first laser module 31 first Laser emission ends
32 first laser pick-off end 40 second laser modules
41 second Laser emission end 42 second laser pick-off ends
50 display module 60 key-press modules
61 power buttons 62 measure button
63 measuring unit's selection key 70 power modules
Embodiment
About a preferred embodiment of the present invention, refer to shown in Fig. 1, reversible laser range finder of the present invention is provided with a control module 20 in a body 10, one first laser module 30, one second laser module 40, one display module 50, one key-press module 60 and a power module 70, please refer to shown in Fig. 3 and Fig. 4, this body 10 is the microscler box bodys in hollow, the both ends of the surface of its length direction are arranged with aforementioned first laser module 30 and this second laser module 40, this body 10 is provided with this display module 50 and this key-press module 60 in wherein one end (top) of its short transverse, the relative another end (bottom) of body 10 in top is provided with this power module 70 (not shown) again, this control module 20 makes circuit board-like and is located in body 10.
This first laser module 30 includes one first Laser emission end 31 and one first laser pick-off end 32, and the first Laser emission end 31 and the first laser pick-off end 32 of this first laser module 30 are electrically connected with control module 20 respectively.This second laser module 40 includes one second Laser emission end 41 and one second laser pick-off end 42, and the second Laser emission end 41 and the second laser pick-off end 42 of this second laser module 40 are electrically connected with control module 20 respectively.
As shown in Figure 3 and Figure 4, in this preferred embodiment, this first laser module 30 is provided at one end (front end) of the length direction of body 10, this second laser module 40 is provided at the another end (rear end) of the length direction of body 10, with respectively towards the two ends transmitting/receiving laser that body 10 is relative, the optical axis difference 180 degree of two laser, because the structure of two laser modules and operation technique are known technology, seldom repeats at this.Separately, in this preferred embodiment, two described laser modules have a Laser emission end and a laser pick-off end respectively, only, Laser emission end and the laser pick-off end of two laser modules can integrate separately, and do not need to be provided separately, and the present invention is not limited at this.
This display module 50 is electrically connected with control module 20, and with indivedual distances of the signal and display measurement that accept control module 20, total distance or set-up function, in this preferred embodiment, this display module 50 is a liquid crystal display (LCD).
This key-press module 60 includes most button, and each button is electrically connected with control module 20 respectively.In this preferred embodiment, these buttons include a power button 61 (POWER or ON/OFF), and measure button 62 and measuring unit's selection key 63 (as measuring unit is set to meter or foot).
This power module 70 is electrically connected with control module 20, and this power module 70 is to provide the electric power needed for each module, and in this preferred embodiment, this power module 70 is a direct supply (as batteries).
This control module 20 includes a microcontroller (not shown), a storage element (not shown), the driving circuit (not shown) of a display module 50 and a Power Management Unit (not shown), because the structure of these elements of control module 20 and operation technique are known technology, seldom repeat at this.
When user's wish measures the distance of two ends to be measured, start power supply by the power button 61 of key-press module 60, then user is by the two ends of the length direction of body 10, namely the first laser module 30 and the second laser module 40 are respectively towards end to be measured, press again and measure button 62 with the traveling time difference or the wavelength phase difference that make control module 20 calculate the laser of the first laser module 30 and the second laser module 40 respectively, to calculate the distance between the first laser module 30 two ends to be measured relative to the second laser module 40 respectively, add the length of body 10, total distance of two end reality to be measured can be obtained, and the unit of the distance of display is changed by measuring unit's selection key 63, such as be scaled foot by meter.
This control module 20 another also can calculate separately traveling time difference or the wavelength phase difference of the laser of the first laser module 30 or the second laser module 40, to calculate the distance between the first laser module 30 or the second laser module 40 end relatively to be measured respectively, add the length of body 10, total distance of the reality of relatively single end to be measured can be obtained.
Refer to shown in Fig. 2, for the measurement schematic diagram of reversible laser range finder of the present invention, as shown in the figure, the length of this body is L2, this first laser module 30 is L1 to the distance of a wherein end to be measured (as metope), this second laser module 40 is L3 to the distance of another end to be measured (as another metope), this control module 20 makes the first laser module 30 and the second laser module 40 respectively to sending laser outward, and receive the laser of reflection respectively, calculate traveling time difference or the wavelength phase difference of the first laser module 30 and the second laser module 40 more respectively, with the distance L2 of difference computer body 10 to two end to be measured, L3, add the length L1 of body 10, directly can obtain the total distance L between two ends to be measured, i.e. L=L1+L2+L3, do not need just can calculate distance as existing laser range finder need be resisted against end to be measured in time using, solve the awkward problem of existing laser range finder.
Claims (9)
1. a reversible laser range finder, is characterized in that, described reversible laser range finder includes:
One body;
One control module, it is located in body;
Dual-laser module, it is divided into the two ends of body, and each laser module includes a Laser emission end and a laser pick-off end, and described laser module is electrically connected with control module respectively;
One display module, it is located on body, and described display module is electrically connected with control module; And
One key-press module, it is located on body, and described key-press module includes most button, and each button is electrically connected with control module;
By this, two laser modules receive the laser of two ends to be measured reflections towards two opposite exterior lateral sides Emission Lasers of body respectively, described control module calculates traveling time difference or the wavelength phase difference of the laser of two laser modules respectively, to calculate two laser modules and two end distances to be measured respectively, and obtain total distance of two end reality to be measured.
2. reversible laser range finder according to claim 1, it is characterized in that, described laser module is one first laser module and one second laser module, the Laser emission end of described first laser module and laser pick-off end are one first Laser emission end and one first laser pick-off end, described first Laser emission end is electrically connected with control module respectively with the first laser pick-off end, the Laser emission end of described second laser module and laser pick-off end are one second Laser emission end and one second laser pick-off end, described second Laser emission end is electrically connected with control module respectively with the second laser pick-off end.
3. reversible laser range finder according to claim 2, is characterized in that, described body is the microscler box body in hollow, and the two ends of its length direction are arranged with described first laser module and described second laser module.
4. reversible laser range finder according to claim 3, it is characterized in that, described control module is traveling time difference or the wavelength phase difference of the laser calculating the first laser module and the second laser module respectively, with the distance of particular computer body relative to two ends to be measured, add the length of body, to obtain total distance actual between two ends to be measured.
5. reversible laser range finder according to claim 4, is characterized in that, described display module and described key-press module are provided at wherein one end of the short transverse of body.
6. reversible laser range finder according to claim 5, is characterized in that, described key-press module comprises a power button, and measures button and measuring unit's selection key, and each button is electrically connected with control module respectively.
7. reversible laser range finder according to any one of claim 1 to 6, is characterized in that, described control module is connected with a power module further, and described power module is to provide the electric power needed for aforementioned each module.
8. the reversible laser range finder according to any one of claim 2 to 6, it is characterized in that, first Laser emission end and the first laser pick-off end of described first laser module integrate, and the second Laser emission end and the second laser pick-off end of described second laser module integrate.
9. reversible laser range finder according to claim 8, is characterized in that, described control module is connected with a power module further, and described power module is to provide the electric power needed for aforementioned each module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500490.1A CN105510923A (en) | 2014-09-25 | 2014-09-25 | Bidirectional laser range finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410500490.1A CN105510923A (en) | 2014-09-25 | 2014-09-25 | Bidirectional laser range finder |
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| CN105510923A true CN105510923A (en) | 2016-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410500490.1A Pending CN105510923A (en) | 2014-09-25 | 2014-09-25 | Bidirectional laser range finder |
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| CN (1) | CN105510923A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655446A (en) * | 2017-10-30 | 2018-02-02 | 成都捷测科技有限公司 | Laser measuring device for measuring |
| CN108375342A (en) * | 2018-04-28 | 2018-08-07 | 广东电网有限责任公司 | Laser ranging system and method |
| CN110986783A (en) * | 2019-12-26 | 2020-04-10 | 山东省特种设备检验研究院有限公司 | Detection device and detection method for detecting size of pressure container |
| CN111780731A (en) * | 2020-07-06 | 2020-10-16 | 怀化学院 | A multifunctional measuring tool for interior design |
| US11187803B1 (en) | 2021-01-23 | 2021-11-30 | Michael H. Panosian | Laser distance measurement device |
| CN115267729A (en) * | 2022-07-05 | 2022-11-01 | 杭州巨星科技股份有限公司 | A high-precision long-distance two-way ranging device |
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| CN203190964U (en) * | 2013-04-25 | 2013-09-11 | 上海众材工程检测有限公司 | Bidirectional optical path hand-held laser range finder |
| KR20140102452A (en) * | 2013-02-14 | 2014-08-22 | 삼성탈레스 주식회사 | Apparatus for laser range finder and method for estimating laser range |
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2014
- 2014-09-25 CN CN201410500490.1A patent/CN105510923A/en active Pending
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| CN2667505Y (en) * | 2003-12-26 | 2004-12-29 | 李俊春 | Bidirectional laser width measuring and centering instrument |
| CN202074964U (en) * | 2011-05-17 | 2011-12-14 | 中铁西南科学研究院有限公司 | Tunnel convergence laser monitoring system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107655446A (en) * | 2017-10-30 | 2018-02-02 | 成都捷测科技有限公司 | Laser measuring device for measuring |
| CN107655446B (en) * | 2017-10-30 | 2023-09-22 | 成都捷测科技有限公司 | Laser measuring device |
| CN108375342A (en) * | 2018-04-28 | 2018-08-07 | 广东电网有限责任公司 | Laser ranging system and method |
| CN110986783A (en) * | 2019-12-26 | 2020-04-10 | 山东省特种设备检验研究院有限公司 | Detection device and detection method for detecting size of pressure container |
| CN111780731A (en) * | 2020-07-06 | 2020-10-16 | 怀化学院 | A multifunctional measuring tool for interior design |
| US11187803B1 (en) | 2021-01-23 | 2021-11-30 | Michael H. Panosian | Laser distance measurement device |
| CN115267729A (en) * | 2022-07-05 | 2022-11-01 | 杭州巨星科技股份有限公司 | A high-precision long-distance two-way ranging device |
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Application publication date: 20160420 |
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