CN106019299A - Two-dimensional laser radar scanning ranging system beneficial to expansion of monitoring range - Google Patents
Two-dimensional laser radar scanning ranging system beneficial to expansion of monitoring range Download PDFInfo
- Publication number
- CN106019299A CN106019299A CN201610608496.XA CN201610608496A CN106019299A CN 106019299 A CN106019299 A CN 106019299A CN 201610608496 A CN201610608496 A CN 201610608496A CN 106019299 A CN106019299 A CN 106019299A
- Authority
- CN
- China
- Prior art keywords
- laser
- range
- main control
- laser radar
- monitoring range
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4817—Constructional features, e.g. arrangements of optical elements relating to scanning
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The invention discloses a two-dimensional laser radar scanning ranging system beneficial to the expansion of a monitoring range. The system comprises a laser ranging device, a main control circuit board, a rotating device and a data processing device. The laser ranging device is used for determining the distance information of a current obstacle direction and transmitting the distance information to the main control circuit board. The main control circuit board is used for processing the distance information and the angle information of an optical rotating mirror and sending a control pulse to control the rotation device to rotate. The rotation device comprises a motor and an optical rotating mirror. The optical rotating mirror is used for reflecting and receiving laser. The motor is used for driving the optical rotating mirror to rotate. The data processing device is used for processing the data information and displaying a current scanning result. The laser beam emitted by the laser ranging device is reflected by the optical rotating mirror to a target object, after the laser beam is reflected by a target obstacle, laser echo is reflected to the laser ranging device by the optical rotating mirror, the time is very short, with the rotation of the optical rotating mirror, the scanning can be carried out rapidly to obtain angle and distance information, and thus the monitoring of the obstacle in a monitoring range is realized.
Description
Technical field
The present invention relates to field of radar, be specifically related to a kind of being conducive to and expand monitoring range two-dimensional laser radar scanning range-measurement system.
Background technology
Laser radar be widely used in scanning monitoring objective barrier size and and other object between distance and the speed of service of target obstacle, such as railroad rail on barrier size, and the distance between rail and barrier and relative velocity.As a example by the scanning laser radar of main flow in the market, the brief operation principle introducing laser radar.Scanning laser radar includes a generating laser, a laser pickoff and a The Cloud Terrace.Laser transmitter projects beam of laser pulse, after target object reflects, is received by laser pickoff.The light pulse time between Laser emission to laser pick-off measured accurately by laser pickoff.And the light velocity is known, the laser propagation time measured can be converted into the distance to laser propagation.And The Cloud Terrace ceaselessly rotates, it is possible to achieve the range measurement on different directions, obtain the distance on laser scanning cross section and angle information.But, along with people's raising to security requirement, scanning degree of accuracy and scanning speed to two-dimensional laser radar have had higher requirement.
Summary of the invention
The technical problem to be solved is the demand that the scanning accuracy of two-dimensional laser radar in prior art and scanning speed cannot meet people, purpose is to provide one to be conducive to expanding monitoring range two-dimensional laser radar scanning range-measurement system, pass through tumbler, realize quickly scanning, and be greatly enhanced resolution, low cost.
The present invention is achieved through the following technical solutions:
A kind of being conducive to expands monitoring range two-dimensional laser radar scanning range-measurement system, including Laser Distance Measuring Equipment, main control board, tumbler and data handling equipment, described Laser Distance Measuring Equipment is for measuring the range information in current barrier direction, and range information is passed to main control board, state Laser Distance Measuring Equipment to include: the laser emitting module launched for laser beam, for receiving the laser pick-off module of laser echo signal and for processing the laser circuit module of laser echo signal, described laser circuit module is connected with laser emitting module and laser pick-off module；Main control board, for processing range information and the angle information of optics tilting mirror, sends and controls the rotation of Pulse Width Control tumbler；Tumbler includes motor and optics tilting mirror, and described optics tilting mirror is used for reflection and the reception of laser, and motor is used for driving optics tilting mirror to rotate；Data handling equipment is used for processing data message and display Current Scan result, and data handling equipment is connected with main control board by PORT COM.
Preferably, two-dimensional laser radar range unit also includes zero switch, and described zero switch is for initializing the scanning angle of two-dimensional laser radar, and the start angle of scanning is passed to main control board.
Preferably, the laser beam that described laser emitting module is launched includes iraser light beam, and beam divergence angle is less than 3mrad.
Preferably, the minimum 10KHz of range finding speed of described Laser Distance Measuring Equipment.
Preferably, described motor is direct current brushless servo motor.
Preferably, the one during described PORT COM is RS422 or RS232 or Ethernet.
The present invention compared with prior art, has such advantages as and beneficial effect:
1, one of the present invention is conducive to expanding monitoring range two-dimensional laser radar scanning range-measurement system, the laser beam that Laser Distance Measuring Equipment is launched is after optics tilting mirror reflects, can get on object, after reflecting via target obstacle, return laser beam is reflected back laser pick-off module by optics tilting mirror, and this time is extremely short, along with the rotation of optics tilting mirror, can quickly scan the angle and distance information that obtains, thus realize the barrier monitoring monitoring in region；
2, one of the present invention is conducive to expanding monitoring range two-dimensional laser radar scanning range-measurement system, and this monitoring has great scope, and can react size and the movement velocity thereof of target obstacle accurately.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by the embodiment of the present invention, constitutes the part of the application, is not intended that the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is present configuration schematic diagram.
The parts title of labelling and correspondence in accompanying drawing: 1-Laser Distance Measuring Equipment, 2-main control board, 3-tumbler, 4-makes zero switch, 5-PORT COM, 6-data handling equipment, 7-barrier.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, and the exemplary embodiment of the present invention and explanation thereof are only used for explaining the present invention, not as a limitation of the invention.
Embodiment
As it is shown in figure 1, the present invention implements to provide a kind of two-dimensional laser radar installations, including Laser Distance Measuring Equipment 1, main control board 2, tumbler 3 and data handling equipment 6.Laser Distance Measuring Equipment 1 is for measuring the range information in current barrier 7 direction, and range information is passed to main control board 2, state Laser Distance Measuring Equipment 1 to include: for the laser emitting module of laser beam transmitting, for receiving the laser pick-off module of laser echo signal and for processing the laser circuit module of laser echo signal, laser circuit module is connected with laser emitting module and laser pick-off module；Main control board 2, for processing range information and the angle information of optics tilting mirror, sends control Pulse Width Control tumbler 3 and rotates；Tumbler 3 includes motor and optics tilting mirror, and optics tilting mirror is used for reflection and the reception of laser, and motor is direct current brushless servo motor, is used for driving optics tilting mirror to rotate；Data handling equipment 6 is used for processing data message and display Current Scan result, and data handling equipment 6 is connected with main control board 2 by PORT COM 5；Also including the switch 4 that makes zero, zero switch 4 is for initializing the scanning angle of two-dimensional laser radar, and the start angle of scanning is passed to main control board 2.Main control board 2 is connected with zero switch 4, Laser Distance Measuring Equipment 1 and tumbler 3.
The laser beam that laser emitting module is launched includes iraser light beam, and beam divergence angle is 2mrad.The range finding speed of Laser Distance Measuring Equipment 1 is 20KHz.PORT COM 5 is RS422.
In tumbler 3, driven by motor optics tilting mirror is with certain speed uniform rotation, carries out real time scan range finding on two-dimensional section.Main control board 2 output pulse signal drives motor uniform rotation, simultaneously record current motor rotational angle and the range information receiving current angular laser ranging.Data handling equipment 6 receives the distance from main control board 2 and angle information by PORT COM, shows current scanning figure after treatment.
Above-mentioned Laser Distance Measuring Equipment 1 can use existing laser ranging module, pulsed or phase laser distance measurement module, the signal carrier of Laser Distance Measuring Equipment can be selected for visible or infrared light, such as 905nm carrier wave, the frequency of range finding may select the above speed of 10KHz, in the case of determining rate of scanning, for improving resolution, the Laser Distance Measuring Equipment of optional higher range frequency；Optics tilting mirror 302 can use silvered reflective face, and its reflectance may select more than 95%；Motor 301 is direct current brushless servo motor, and optional parameters is 3000 turns/min, and motor 301 can join the encoder of degree of precision, improves the precision of angle.
Above-described detailed description of the invention; the purpose of the present invention, technical scheme and beneficial effect are further described; it is it should be understood that; the foregoing is only the detailed description of the invention of the present invention; the protection domain being not intended to limit the present invention; all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. done, should be included within the scope of the present invention.
Claims (6)
1. one kind is conducive to expanding monitoring range two-dimensional laser radar scanning range-measurement system, it is characterized in that, including Laser Distance Measuring Equipment (1), main control board (2), tumbler (3) and data handling equipment (6), described Laser Distance Measuring Equipment (1) is used for measuring the range information in current barrier (7) direction, and range information is passed to main control board (2), state Laser Distance Measuring Equipment (1) to include: the laser emitting module launched for laser beam, for receiving the laser pick-off module of laser echo signal and for processing the laser circuit module of laser echo signal, described laser circuit module is connected with laser emitting module and laser pick-off module；Main control board (2), for processing range information and the angle information of optics tilting mirror, sends and controls Pulse Width Control tumbler (3) rotation；Tumbler (3) includes motor and optics tilting mirror, and described optics tilting mirror is used for reflection and the reception of laser, and motor is used for driving optics tilting mirror to rotate；Data handling equipment (6) is used for processing data message and display Current Scan result, and data handling equipment (6) is connected with main control board (2) by PORT COM (5).
One the most according to claim 1 is conducive to expanding monitoring range two-dimensional laser radar scanning range-measurement system and system, it is characterized in that, also include zero switch (4), described zero switch (4) is for initializing the scanning angle of two-dimensional laser radar, and the start angle of scanning passes to main control board (2).
One the most according to claim 1 is conducive to expanding monitoring range two-dimensional laser radar scanning range-measurement system and system, it is characterised in that the laser beam that described laser emitting module is launched includes iraser light beam, and beam divergence angle is less than 3mrad.
One the most according to claim 1 is conducive to expanding monitoring range two-dimensional laser radar scanning range-measurement system and system, it is characterised in that the minimum 10KHz of range finding speed of described Laser Distance Measuring Equipment (1).
One the most according to claim 1 is conducive to expanding monitoring range two-dimensional laser radar scanning range-measurement system and system, it is characterised in that described motor is direct current brushless servo motor.
One the most according to claim 1 is conducive to expanding monitoring range two-dimensional laser radar scanning range-measurement system and system, it is characterised in that described PORT COM (5) is the one in RS422 or RS232 or Ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610608496.XA CN106019299A (en) | 2016-07-29 | 2016-07-29 | Two-dimensional laser radar scanning ranging system beneficial to expansion of monitoring range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610608496.XA CN106019299A (en) | 2016-07-29 | 2016-07-29 | Two-dimensional laser radar scanning ranging system beneficial to expansion of monitoring range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106019299A true CN106019299A (en) | 2016-10-12 |
Family
ID=57114348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610608496.XA Withdrawn CN106019299A (en) | 2016-07-29 | 2016-07-29 | Two-dimensional laser radar scanning ranging system beneficial to expansion of monitoring range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106019299A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107274814A (en) * | 2017-07-27 | 2017-10-20 | 朱秋虹 | Lift advertisement system |
| CN110398752A (en) * | 2019-08-05 | 2019-11-01 | 昂纳信息技术（深圳）有限公司 | A kind of laser radar system of more visual fields |
| CN111458715A (en) * | 2019-01-22 | 2020-07-28 | 杭州智屹科技有限公司 | Distance measuring and calibrating method |
| CN111670371A (en) * | 2019-01-09 | 2020-09-15 | 深圳市大疆创新科技有限公司 | Optical detection module and distance measuring device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204044359U (en) * | 2014-07-11 | 2014-12-24 | 武汉万集信息技术有限公司 | A kind of two-dimensional scan formula laser ranging system |
| CN205175364U (en) * | 2015-12-02 | 2016-04-20 | 北京握奇智能科技有限公司 | A laser profile scanning device for data acquisition |
-
2016
- 2016-07-29 CN CN201610608496.XA patent/CN106019299A/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204044359U (en) * | 2014-07-11 | 2014-12-24 | 武汉万集信息技术有限公司 | A kind of two-dimensional scan formula laser ranging system |
| CN205175364U (en) * | 2015-12-02 | 2016-04-20 | 北京握奇智能科技有限公司 | A laser profile scanning device for data acquisition |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107274814A (en) * | 2017-07-27 | 2017-10-20 | 朱秋虹 | Lift advertisement system |
| CN111670371A (en) * | 2019-01-09 | 2020-09-15 | 深圳市大疆创新科技有限公司 | Optical detection module and distance measuring device |
| CN111458715A (en) * | 2019-01-22 | 2020-07-28 | 杭州智屹科技有限公司 | Distance measuring and calibrating method |
| CN110398752A (en) * | 2019-08-05 | 2019-11-01 | 昂纳信息技术（深圳）有限公司 | A kind of laser radar system of more visual fields |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106093957A (en) | Two-dimensional laser radar scanning range finding monitoring system | |
| US11774557B2 (en) | Distance measurement instrument with scanning function | |
| CN106019299A (en) | Two-dimensional laser radar scanning ranging system beneficial to expansion of monitoring range | |
| CN106291571A (en) | A kind of integrated two-dimensional Laser Radar Scanning range-measurement system | |
| CN204044359U (en) | A kind of two-dimensional scan formula laser ranging system | |
| EP1512989B1 (en) | Method and system for optically tracking a target using a triangulation technique | |
| EP3859377B1 (en) | Distance detection device | |
| CN103499818B (en) | A kind of infrared and laser compound detection system | |
| CN110199204A (en) | Laser radar sensor system with small form factor | |
| CN110325877A (en) | System and method for supporting laser radar to apply | |
| US10073165B2 (en) | Distance measurement instrument with scanning function | |
| CN106291572A (en) | A kind of for 2D Laser Radar Scanning devices and methods therefor | |
| WO2021128526A1 (en) | Optical path system, and laser radar | |
| CN106019297A (en) | 2D laser radar scanning system and device thereof | |
| JPS62112119A (en) | Range finder for image system and improvement in this apparatus | |
| US20190324145A1 (en) | Lidar Apparatus and Method | |
| EP3591425A1 (en) | Laser ranging system utilizing sensor in same optical path as emitting laser | |
| CN106291570A (en) | A kind of Laser Radar Scanning devices and methods therefor of two dimension | |
| CN110824458A (en) | Large-range scanning coaxial MEMS laser radar optical system | |
| CN206132984U (en) | Micro laser radar system | |
| CN108710118A (en) | A kind of laser radar | |
| KR100951243B1 (en) | Light detection and ranging apparatus | |
| JP2008292308A (en) | Optical radar device | |
| CN106324611A (en) | Two-dimensional laser radar scanning system and device thereof | |
| CN102445695A (en) | Non-aiming laser cable height measuring device and measuring method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20161012 |