CN107024696A - A kind of laser measurement system - Google Patents
A kind of laser measurement system Download PDFInfo
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- CN107024696A CN107024696A CN201710368103.7A CN201710368103A CN107024696A CN 107024696 A CN107024696 A CN 107024696A CN 201710368103 A CN201710368103 A CN 201710368103A CN 107024696 A CN107024696 A CN 107024696A
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- 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
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- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention discloses a kind of laser measurement system of mapping field of measuring technique, including central processing unit, generating laser is electrically connected in the output end of the central processing unit, data outputting unit, print unit, display unit and radio communication unit, the output end of the radio communication unit is electrically connected with the input of remote terminal, the output end of the amplifying circuit is electrically connected with the input of low pass filter, the input of the laser pick-off unit is electrically connected with the output end of timing circuit, the input of the power subsystem is electrically connected with the output end of charhing unit, when laser signal is received, realize the filtering to signal and suppress noise, realize the stability of the reception of signal, and then improve the stability of laser ranging, also achieve the display and printing to measurement data, and support the form of output data to change, the invention also achieves the remote transmission of measurement data, reduce labor intensity.
Description
Technical field
The present invention relates to mapping field of measuring technique, specially a kind of laser measurement system.
Background technology
Laser measurement is progress ranging using laser as light source.According to the mode of laser work be divided into continuous wave laser and
Pulse laser.The gas lasers such as He-Ne, argon ion, krypton cadmium work in continuous output state, for phase laser distance measurement；
Double heterogeneous gallium arsenide semiconductor lasers, for infrared distance measurement；The solid state lasers such as ruby, neodymium glass, swash for pulsed
Ligh-ranging.Laser range finder is because the monochromaticjty of laser is good, high directivity the features such as, add electronic circuit semiconductor transformation integrated
Change, compared with geodimeter, not only day and night operation but also can improve range accuracy, substantially reduce weight and power consumption, make
The distance for measuring the remote target such as artificial earth satellite, moon comes true.Existing laser measurement system measurement accuracy is not high,
And the remote transmission of data can not be realized, it can not meet using needs, therefore, a kind of it is proposed that laser measurement system.
The content of the invention
It is existing with solve to propose in above-mentioned background technology it is an object of the invention to provide a kind of laser measurement system
Laser measurement system measurement accuracy is not high, and can not realize the remote transmission of data, can not meet using the problem of needs.
To achieve the above object, the present invention provides following technical scheme：A kind of laser measurement system, including center processing
Generating laser, data outputting unit, print unit, display list is electrically connected in device, the output end of the central processing unit
Member and radio communication unit, the output end of the data outputting unit are electrically connected with the input of Data Format Transform unit, institute
The output end for stating radio communication unit is electrically connected with the input of remote terminal, and the input of the generating laser is electrically connected with
The output end of modulated signal synthesizer, the output end of the generating laser is electrically connected with the input list of laser pick-off unit, institute
Stating laser pick-off unit includes photodetector, and the output end of the photodetector is electrically connected with the input of biasing circuit,
The output end of the biasing circuit is electrically connected with the input of amplifying circuit, and the output end of the amplifying circuit is electrically connected with low pass
The input of wave filter, the input of the laser pick-off unit is electrically connected with the output end of timing circuit, the laser pick-off
The output end of unit is electrically connected with the input of signal processing unit, and the output end of the signal processing unit is electrically connected with center
The input of processor, the input of the central processing unit is electrically connected with the output end of power subsystem, the power subsystem
Input is electrically connected with the output end of charhing unit；
The transmitting of laser is carried out by the generating laser, the modulated signal synthesizer Signal averaging that shaken to corresponding master is
Flat modulated signal more than one, and generating laser is loaded onto, the modulation to laser is carried out, by the laser pick-off unit
Photodetector carries out the reception of laser signal, converts optical signals into electric signal, is modulated into electric signal by biasing circuit
The electric signal that can amplify, amplifying circuit is amplified to electric signal, and low pass filter carries out the filtering of signal, and timing circuit enters
Row timing, signal processing unit carries out the processing of signal, transmits a signal to central processing unit, central processing unit is to laser signal
Processor and analysis, and the range information measured are carried out, the printing of data, display unit are measured by print unit
Measurement data is shown, data result is exported by data outputting unit, data format conversion module is used for output
The form of data is converted, and is exported suitable document, the remote transmission of measurement data is realized by radio communication unit, by number
According to transmitting to remote terminal, it is powered by charhing unit to power subsystem, power subsystem is powered for whole system.
It is preferred that, the signal processing unit is A/D converter.
It is preferred that, the generating laser is semiconductor laser diode.
Compared with prior art, the beneficial effects of the invention are as follows：A kind of laser measurement system that the invention is proposed, in laser
When signal is received, realize the filtering to signal and suppress noise, realize the stability of the reception of signal, and then improve sharp
The stability of ligh-ranging, also achieves the display and printing to measurement data, and supports the form of output data to change, the hair
The bright remote transmission for also achieving measurement data, reduces labor intensity.
Brief description of the drawings
Fig. 1 is principle of the invention block diagram.
In figure：1 central processing unit, 2 generating lasers, 3 modulated signal synthesizers, 4 laser pick-off units, 41 photodetections
Device, 42 biasing circuits, 43 amplifying circuits, 44 low pass filters, 5 timing circuits, 6 signal processing units, 7 power subsystems, 8 chargings
Unit, 9 radio communication units, 10 remote terminals, 11 print units, 12 display units, 13 data outputting units, 14 data formats
Converting unit.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1, the present invention provides a kind of technical scheme：A kind of laser measurement system, including central processing unit 1, institute
Generating laser 2, data outputting unit 13, print unit 11, display list is electrically connected in the output end for stating central processing unit 1
Member 12 and radio communication unit 9, the output end of the data outputting unit 13 are electrically connected with the defeated of Data Format Transform unit 14
Enter end, the output end of the radio communication unit 9 is electrically connected with the input of remote terminal 10, the generating laser 2 it is defeated
Enter the output end that end is electrically connected with modulated signal synthesizer 3, the output end of the generating laser 2 is electrically connected with laser pick-off list
The input list of member 4, the laser pick-off unit 4 includes photodetector 41, and the output end of the photodetector 41 electrically connects
The input of biasing circuit 42 is connect, the output end of the biasing circuit 42 is electrically connected with the input of amplifying circuit 43, described to put
The output end of big circuit 43 is electrically connected with the input of low pass filter 44, and the input of the laser pick-off unit 4 electrically connects
The output end of timing circuit 5 is connect, the output end of the laser pick-off unit 4 is electrically connected with the input of signal processing unit 6, institute
The output end for stating signal processing unit 6 is electrically connected with the input of central processing unit 1, the input electricity of the central processing unit 1
Property connection power subsystem 7 output end, the input of the power subsystem 7 is electrically connected with the output end of charhing unit 8；
The transmitting of laser is carried out by the generating laser 2, the modulated signal synthesizer 3 shakes Signal averaging to corresponding master
For flat modulated signal more than one, and generating laser 2 is loaded onto, carries out the modulation to laser, pass through the laser pick-off unit 4
In photodetector 41 carry out the reception of laser signal, electric signal is converted optical signals into, by biasing circuit 42 by telecommunications
Number the electric signal that can amplify is modulated into, amplifying circuit 43 is amplified to electric signal, low pass filter 44 carries out the mistake of signal
Filter, timing circuit 5 carries out timing, and signal processing unit 6 carries out the processing of signal, transmits a signal to central processing unit 1, center
Processor 1 carries out processor and analysis, and the range information measured to laser signal, is measured by print unit 11
The printing of data, display unit 12 shows measurement data, is exported data result by data outputting unit 13, data
Format converting module 14 is used to convert the form of output data, exports suitable document, real by radio communication unit 9
The remote transmission of existing measurement data, sends data to remote terminal 10, is powered by charhing unit 8 to power subsystem 7,
Power subsystem 7 is powered for whole system.
Wherein, the signal processing unit 6 is A/D converter, and the generating laser 2 is semiconductor laser diode.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of laser measurement system, including central processing unit（1）, it is characterised in that：The central processing unit（1）Output end
Generating laser is electrically connected（2）, data outputting unit（13）, print unit（11）, display unit（12）And channel radio
Interrogate unit（9）, the data outputting unit（13）Output end be electrically connected with Data Format Transform unit（14）Input, institute
State radio communication unit（9）Output end be electrically connected with remote terminal（10）Input, the generating laser（2）Input
End is electrically connected with modulated signal synthesizer（3）Output end, the generating laser（2）Output end be electrically connected with laser pick-off
Unit（4）Input list, the laser pick-off unit（4）Including photodetector（41）, the photodetector（41）It is defeated
Go out end and be electrically connected with biasing circuit（42）Input, the biasing circuit（42）Output end be electrically connected with amplifying circuit（43）
Input, the amplifying circuit（43）Output end be electrically connected with low pass filter（44）Input, the laser pick-off
Unit（4）Input be electrically connected with timing circuit（5）Output end, the laser pick-off unit（4）Output end electrically connect
Connect signal processing unit（6）Input, the signal processing unit（6）Output end be electrically connected with central processing unit（1）'s
Input, the central processing unit（1）Input be electrically connected with power subsystem（7）Output end, the power subsystem（7）'s
Input is electrically connected with charhing unit（8）Output end；
Pass through the generating laser（2）Carry out the transmitting of laser, the modulated signal synthesizer（3）Shake signal to corresponding master
Flat modulated signal more than one is superposed to, and is loaded onto generating laser（2）, the modulation to laser is carried out, is connect by the laser
Receive unit（4）In photodetector（41）The reception of laser signal is carried out, electric signal is converted optical signals into, by biased electrical
Road（42）Electric signal is modulated into the electric signal that can amplify, amplifying circuit（43）Electric signal is amplified, low pass filter
（44）Carry out the filtering of signal, timing circuit（5）Carry out timing, signal processing unit（6）The processing of signal is carried out, signal is passed
Transport to central processing unit（1）, central processing unit（1）Processor and analysis, and the distance letter measured are carried out to laser signal
Breath, passes through print unit（11）Measure the printing of data, display unit（12）Measurement data is shown, passes through data
Output unit（13）Data result is exported, data format conversion module（14）Converted for the form to output data,
Suitable document is exported, passes through radio communication unit（9）The remote transmission of measurement data is realized, remote terminal is sent data to
（10）, pass through charhing unit（8）To power subsystem（7）It is powered, power subsystem（7）It is powered for whole system.
2. a kind of laser measurement system according to claim 1, it is characterised in that：The signal processing unit（6）For A/D
Converter.
3. a kind of laser measurement system according to claim 1, it is characterised in that：The generating laser（2）Partly to lead
Volumetric laser diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368103.7A CN107024696A (en) | 2017-05-23 | 2017-05-23 | A kind of laser measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710368103.7A CN107024696A (en) | 2017-05-23 | 2017-05-23 | A kind of laser measurement system |
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| Publication Number | Publication Date |
|---|---|
| CN107024696A true CN107024696A (en) | 2017-08-08 |
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ID=59529360
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710368103.7A Pending CN107024696A (en) | 2017-05-23 | 2017-05-23 | A kind of laser measurement system |
Country Status (1)
| Country | Link |
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| CN (1) | CN107024696A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107991682A (en) * | 2018-01-10 | 2018-05-04 | 吉林大学 | A kind of automobile dummy location measurement device |
| CN108362273A (en) * | 2018-01-22 | 2018-08-03 | 中博宇图信息科技有限公司 | A kind of engineering mapping field surveys system |
| WO2019041257A1 (en) * | 2017-08-31 | 2019-03-07 | 深圳市大疆创新科技有限公司 | Signal processing chip, image processing system and distance measurement system |
| US11675076B2 (en) | 2017-08-31 | 2023-06-13 | SZ DJI Technology Co., Ltd. | Solid state light detection and ranging (LIDAR) system and system and method for improving solid state light detection and ranging (LIDAR) resolution |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101169481A (en) * | 2007-11-29 | 2008-04-30 | 上海龙鲁自动化科技有限公司 | Laser measuring device possessing radio transmission-receiving function |
| CN102393523A (en) * | 2011-08-04 | 2012-03-28 | 长春理工大学 | Method for measuring distance by using picosecond pulse-based high-accuracy laser distance measuring device |
| CN206096457U (en) * | 2016-10-27 | 2017-04-12 | 高辉 | Based on fan -shaped laser precision target ranging system |
-
2017
- 2017-05-23 CN CN201710368103.7A patent/CN107024696A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101169481A (en) * | 2007-11-29 | 2008-04-30 | 上海龙鲁自动化科技有限公司 | Laser measuring device possessing radio transmission-receiving function |
| CN102393523A (en) * | 2011-08-04 | 2012-03-28 | 长春理工大学 | Method for measuring distance by using picosecond pulse-based high-accuracy laser distance measuring device |
| CN206096457U (en) * | 2016-10-27 | 2017-04-12 | 高辉 | Based on fan -shaped laser precision target ranging system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019041257A1 (en) * | 2017-08-31 | 2019-03-07 | 深圳市大疆创新科技有限公司 | Signal processing chip, image processing system and distance measurement system |
| US11675076B2 (en) | 2017-08-31 | 2023-06-13 | SZ DJI Technology Co., Ltd. | Solid state light detection and ranging (LIDAR) system and system and method for improving solid state light detection and ranging (LIDAR) resolution |
| CN107991682A (en) * | 2018-01-10 | 2018-05-04 | 吉林大学 | A kind of automobile dummy location measurement device |
| CN107991682B (en) * | 2018-01-10 | 2021-11-12 | 吉林大学 | Automobile dummy positioning and measuring device |
| CN108362273A (en) * | 2018-01-22 | 2018-08-03 | 中博宇图信息科技有限公司 | A kind of engineering mapping field surveys system |
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Application publication date: 20170808 |
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