CN205899027U - Two -dimensional laser radar scan monitoring system - Google Patents
Two -dimensional laser radar scan monitoring system Download PDFInfo
- Publication number
- CN205899027U CN205899027U CN201620809046.2U CN201620809046U CN205899027U CN 205899027 U CN205899027 U CN 205899027U CN 201620809046 U CN201620809046 U CN 201620809046U CN 205899027 U CN205899027 U CN 205899027U
- Authority
- CN
- China
- Prior art keywords
- laser
- optics
- tilting mirror
- module
- mirror
- 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.)
- Expired - Fee Related
Links
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The utility model discloses a two -dimensional laser radar scan monitoring system, including laser rangefinder equipment, the main control circuit board, rotating device and host computer. Laser rangefinder equipment is used for the distance information of the current barrier direction of survey to transmit distance information for the main control circuit board, the main control circuit board for handle the angle information of distance information and optics commentaries on classics mirror, send control impuls control rotating device and rotate, rotating device includes motor and optics commentaries on classics mirror, and optics changes the mirror and is used for swashing reflection of light and receipt, and the motor is used for driving optics changes the mirror rotation, the host computer is used for processing data information and shows current scanning result. The laser beam of laser rangefinder equipment transmission is on getting to the object after optics changes the mirror reflection, and via target barrier reflection back, laser echo is changeed the mirror reflection by optics and returns laser rangefinder equipment, the time interpole short, along with optics changes the rotation of mirror, can quick scanning obtain angle and distance information to realize the regional interior barrier monitoring of control.
Description
Technical field
This utility model is related to field of radar and in particular to two-dimensional laser radar scanning monitoring system.
Background technology
Laser radar be widely used in scanning monitoring objective barrier size and with the distance between other objects and mesh
The speed of service of mark barrier, such as barrier size on railroad rail, and the distance between rail and barrier and relative
Speed.Taking the scanning laser radar of main flow in the market as a example, the brief operation principle introducing laser radar.Scanning laser
Radar includes a generating laser, a laser pickoff and a head.Laser transmitter projects beam of laser pulse, warp
After crossing target object reflection, received by laser pickoff.Laser pickoff accurately measures light pulse from Laser emission to laser
Time between reception.And the light velocity is known, laser propagation time of measuring can be converted into laser propagation away from
From.And head ceaselessly rotates, it is possible to achieve the range measurement on different directions, obtain on laser scanning section away from walk-off angle
Degree information.However, the raising to security requirement with people, the scanning degree of accuracy and scanning speed of two-dimensional laser radar is had
Higher requirement.
Utility model content
Technical problem to be solved in the utility model is the scanning accuracy of two-dimensional laser radar and sweeping in prior art
Retouch speed and cannot meet the demand of people it is therefore intended that providing two-dimensional laser radar scanning monitoring system, by tumbler, real
Now quickly scan, and be greatly enhanced resolution, low cost.
This utility model is achieved through the following technical solutions:
Including Laser Distance Measuring Equipment, main control board, tumbler, host computer and shoot and monitor module, described Laser Measuring
It is used for measuring the range information in current barrier direction away from equipment, and range information is passed to main control board, state Laser Measuring
Include away from equipment: for the laser emitting module of laser beam transmitting, the laser pick-off module for receiving laser echo signal
With the laser circuit module for processing laser echo signal, described laser emitting module and laser pick-off module are packaged into one
The module of body, Laser emission light beam and return laser beam are launched through same optical window and are received, laser circuit module and Laser emission
Module is connected with laser pick-off module；Main control board, for processing the angle information of range information and optics tilting mirror, sends
Pulse Width Control tumbler is controlled to rotate；Tumbler includes motor and optics tilting mirror, and described optics tilting mirror is used for the anti-of laser
Penetrate and receive, motor is used for driving optics tilting mirror to rotate；Host computer receives distance and the angle information that governor circuit module sends,
Show current scanning figure after treatment, host computer is connected with main control board by PORT COM；Shoot and monitor module is used for
Backup radar scanning is monitored the shape size when front direction barrier and distance；Optics tilting mirror is flat with motor horizontal direction
Row is placed, and motor is located at below optics tilting mirror, and optics tilting mirror and Laser Distance Measuring Equipment are located on a horizontal line, and motor drives rotation
Runner rotates, and rotating wheel connects optics tilting mirror by belt pulley and drives optics tilting mirror to rotate.Preferably, two-dimensional laser radar is surveyed
Also include zero switch away from device, described zero switch for initializing the scanning angle of two-dimensional laser radar, and by scanning
Start angle passes to main control board.
Preferably, the laser beam of described laser emitting module transmitting includes iraser light beam, and beam divergence angle is little
In 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, described PORT COM is one of rs422 or rs232 or ethernet.
This utility model compared with prior art, has such advantages as and beneficial effect:
1st, this utility model two-dimensional laser radar scanning monitoring system, the laser beam of Laser Distance Measuring Equipment transmitting is through light
After learning tilting mirror reflection, can get on object, after target obstacle reflection, return laser beam is reflected back laser by optics tilting mirror
Receiver module, this time is extremely short, with the rotation of optics tilting mirror, can quickly scan and obtain angle and distance information, from
And realize the barrier monitoring in monitor area；
2nd, this utility model two-dimensional laser radar scanning monitoring system, this monitoring has great scope, and can be accurate
The size of reaction target obstacle and its movement velocity；
3rd, this utility model two-dimensional laser radar scanning monitoring system, can effective utilization space, make radar installations
Integrated level is higher, motor and tilting mirror is placed on same installing plate simultaneously, so that center is reduced it is only necessary to allow laser ranging to set
Standby be in optics tilting mirror same in the heart, make integrated more convenient.
Brief description
Accompanying drawing described herein is used for providing this utility model embodiment is further understood, and constitutes the one of the application
Part, does not constitute the restriction to this utility model embodiment.In the accompanying drawings:
Fig. 1 is this utility model two-dimensional laser radar ranging system structural representation；
Fig. 2 is this utility model two-dimensional laser radar range unit structural representation；
Fig. 3 is this utility model two-dimensional laser radar range unit structural representation.
Labelling and corresponding parts title in accompanying drawing: 1- Laser Distance Measuring Equipment, 101- Laser emission mouth, 102- base,
103- installing plate, 2- main control board, 3- tumbler, 301- motor, 302- optics tilting mirror, 303- rotating wheel, 4- zero is opened
Close, 5- PORT COM, 6- host computer, 7- barrier, 8- shoot and monitor module.
Specific embodiment
For making the purpose of this utility model, technical scheme and advantage become more apparent, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, is not intended as to restriction of the present utility model.
Embodiment
As shown in figure 1, this utility model implement provide a kind of two-dimensional laser radar installations, including Laser Distance Measuring Equipment 1,
Main control board 2, tumbler 3, host computer 6 and shoot and monitor module 8.Laser Distance Measuring Equipment 1 is used for measuring current barrier 7
The range information in direction, and range information is passed to main control board 2, state Laser Distance Measuring Equipment 1 and include: for laser beam
The laser emitting module of transmitting, for receiving the laser pick-off module of laser echo signal and for processing laser echo signal
Laser circuit module, laser circuit module is connected with laser emitting module and laser pick-off module；Main control board 2, is used for
Process the angle information of range information and optics tilting mirror, send and control Pulse Width Control tumbler 3 to rotate；Tumbler 3 includes
Motor and optics tilting mirror, optics tilting mirror is used for reflection and the reception of laser, and motor is direct current brushless servo motor, for driving light
Learn tilting mirror to rotate；Host computer 6 receives distance and the angle information that governor circuit module 2 sends, and shows current sweeping after treatment
Tracing, host computer 6 is connected with main control board 2 by PORT COM 5；Shoot and monitor module 8 is used for backup radar scanning and carries out
Shape size and the distance of front direction barrier 7 is worked as in monitoring；；Also include the switch 4 that is zeroed, zero switch 4 is used for initializing two dimension
The scanning angle of laser radar, and the start angle of scanning is passed to main control board 2.Main control board 2 and zero switch
4th, Laser Distance Measuring Equipment 1 and tumbler 3 connect.
The laser beam of laser emitting module transmitting includes iraser light beam, and beam divergence angle is 2mrad.Laser ranging
The range finding speed of equipment 1 is 20khz.PORT COM 5 is rs422.In tumbler 3, motor drives optics tilting mirror with certain speed
Degree uniform rotation, carries out real time scan range finding on two-dimensional section.Main control board 2 output pulse signal motor at the uniform velocity turns
Dynamic, record current motor rotational angle and the range information receiving current angular laser ranging simultaneously.Host computer 6 passes through communication terminal
Mouth receives the distance and angle information from main control board 2, shows current scanning figure after treatment.
As shown in Figures 2 and 3, including base 102 and installing plate 103, installing plate 103 is vertically installed on base 102, light
Learn tilting mirror 302 to be parallelly mounted on installing plate 103 with respect to base 102 with motor 301, motor 301 is located at optics tilting mirror 302
Underface, optics tilting mirror 302 is located on a horizontal line with the Laser emission mouth 101 of Laser Distance Measuring Equipment 1, and motor 301 drives
Rotating wheel 303 rotates, and rotating wheel 303 connects optics tilting mirror 302 by belt pulley and drives optics tilting mirror 302 to rotate.Laser Measuring
Away from equipment 1 transmitting laser beam on the reflecting surface of optics tilting mirror 302, the reflecting surface of optics tilting mirror 302 is at 45 ° with shoot laser
Angle, exiting parallel after the laser of the vertical exit reflecting surface through optics tilting mirror 302, after light beam is irradiated on barrier 7,
Can reflect, as echo-signal.Echo-signal again passes by optics tilting mirror 302, reflexes to the reception of Laser Distance Measuring Equipment 1
In optical window, record current range information.When optics tilting mirror 302 at the uniform velocity rotates under the drive of motor 301, laser ranging sets
Standby 1 can record the range information in all directions, after the range information of different angles is according to certain rule treatments, can show
Go out the result of current scanning barrier.
Above-mentioned Laser Distance Measuring Equipment 1 can adopt existing laser ranging module, pulsed or phase laser distance measurement mould
Block, the signal carrier of Laser Distance Measuring Equipment can be selected for visible or infrared light, such as 905nm carrier wave, and the frequency of range finding may be selected
The extremely above speed of 10khz, in the case of determining rate of scanning, for improving resolution, may be selected swashing of higher range frequency
Ligh-ranging equipment；Optics tilting mirror 302 can adopt silvered reflective face, and its reflectance may be selected more than 95%；Motor 301 is direct current
Brushless servo motor, optional parameters is 3000 turns/min, and motor 301 can join the encoder of degree of precision, improves the essence of angle
Degree.
Above-described specific embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step describes in detail, be should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, equivalent replaces
Change, improve, should be included within protection domain of the present utility model.
Claims (6)
1. two-dimensional laser radar scanning monitoring system it is characterised in that include Laser Distance Measuring Equipment (1), main control board (2),
Tumbler (3), host computer (6) and shoot and monitor module (8), described Laser Distance Measuring Equipment (1) is used for measuring current barrier
(7) range information in direction, and range information is passed to main control board (2), state Laser Distance Measuring Equipment (1) and include: be used for
The laser emitting module of laser beam transmitting, for receiving the laser pick-off module of laser echo signal and being used for processing laser and return
The laser circuit module of ripple signal, described laser emitting module and laser pick-off module are packaged into the module of integration, laser
Transmitting light beam and return laser beam launchs through same optical window and are received, laser circuit module and laser emitting module and laser pick-off mould
Block is connected；Main control board (2), for processing the angle information of range information and optics tilting mirror, sends and controls Pulse Width Control
Tumbler (3) rotates；Tumbler (3) includes motor (301) and optics tilting mirror (302), and described optics tilting mirror is used for laser
Reflection and reception, motor (301) is used for driving optics tilting mirror (302) to rotate；Host computer (6) receives governor circuit module (2)
The distance sending and angle information, show current scanning figure after treatment, and host computer (6) passes through PORT COM (5) and master control
Circuit board (2) connects；Shoot and monitor module (8) is used for backup radar scanning and is monitored when the shape of front direction barrier (7)
Size and distance；It is placed in parallel in optics tilting mirror (302) and motor (301) horizontal direction, motor (301) is located at optics tilting mirror
(302), below, optics tilting mirror (302) is located on a horizontal line with Laser Distance Measuring Equipment (1), and motor (301) is rotated wheel
(303) rotate, rotating wheel (303) connects optics tilting mirror (302) by belt pulley and drives optics tilting mirror (302) to rotate.
2. two-dimensional laser radar scanning monitoring system according to claim 1 and system are it is characterised in that also include being zeroed
Switch (4), described zero switch (4) is used for initializing the scanning angle of two-dimensional laser radar, and the start angle of scanning is passed
Pass main control board (2).
3. two-dimensional laser radar scanning monitoring system according to claim 1 and system are it is characterised in that described laser is sent out
The laser beam penetrating module transmitting includes iraser light beam, and beam divergence angle is less than 3mrad.
4. two-dimensional laser radar scanning monitoring system according to claim 1 and system are it is characterised in that described Laser Measuring
The minimum 10khz of range finding speed away from equipment (1).
5. two-dimensional laser radar scanning monitoring system according to claim 1 and system are it is characterised in that described motor is
Direct current brushless servo motor.
6. two-dimensional laser radar scanning monitoring system according to claim 1 and system are it is characterised in that described communication terminal
Mouth (5) is one of rs422 or rs232 or ethernet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620809046.2U CN205899027U (en) | 2016-07-29 | 2016-07-29 | Two -dimensional laser radar scan monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620809046.2U CN205899027U (en) | 2016-07-29 | 2016-07-29 | Two -dimensional laser radar scan monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205899027U true CN205899027U (en) | 2017-01-18 |
Family
ID=57785682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620809046.2U Expired - Fee Related CN205899027U (en) | 2016-07-29 | 2016-07-29 | Two -dimensional laser radar scan monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205899027U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109828255A (en) * | 2017-11-23 | 2019-05-31 | 北京万集科技股份有限公司 | A kind of detection method that scanning laser radar installations is synchronous with angle with detection is carried out |
-
2016
- 2016-07-29 CN CN201620809046.2U patent/CN205899027U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109828255A (en) * | 2017-11-23 | 2019-05-31 | 北京万集科技股份有限公司 | A kind of detection method that scanning laser radar installations is synchronous with angle with detection is carried out |
| CN109828255B (en) * | 2017-11-23 | 2024-02-09 | 武汉万集光电技术有限公司 | Scanning laser radar device and detection method for detecting and angle synchronizing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106093957A (en) | Two-dimensional laser radar scanning range finding monitoring system | |
| CN106291571A (en) | A kind of integrated two-dimensional Laser Radar Scanning range-measurement system | |
| CA2703620C (en) | Distance-measuring method for a device projecting a reference line, and such a device | |
| Wang et al. | Detecting glass in simultaneous localisation and mapping | |
| CN106291572A (en) | A kind of for 2D Laser Radar Scanning devices and methods therefor | |
| CN106767513A (en) | There-dimensional laser scanning device | |
| JP2016505838A (en) | Method and apparatus for determining position coordinates of a target | |
| CN109031345A (en) | A kind of MEMS micromirror scanning laser radar system and its scan method | |
| KR102334432B1 (en) | Lidar optical system | |
| CN207366739U (en) | A kind of solid-state face battle array laser radar apparatus | |
| CN206410678U (en) | There-dimensional laser scanning device | |
| CN106019299A (en) | Two-dimensional laser radar scanning ranging system beneficial to expansion of monitoring range | |
| CN205982625U (en) | Integrated form two -dimensional laser radar scanning system | |
| CN113093149B (en) | Rotary mirror device and laser radar | |
| CN108592887A (en) | A kind of submarine optical communication automatic aiming acquisition and tracking device | |
| CN205899027U (en) | Two -dimensional laser radar scan monitoring system | |
| CN106324611A (en) | Two-dimensional laser radar scanning system and device thereof | |
| CN110865337A (en) | Unmanned aerial vehicle laser positioning device | |
| CN205982624U (en) | Be favorable to enlarging monitoring range's two -dimensional laser radar scanning system | |
| CN106291570A (en) | A kind of Laser Radar Scanning devices and methods therefor of two dimension | |
| JPS60205270A (en) | Automatic tracking device | |
| CN106291569A (en) | A kind of for 2D Laser Radar Scanning device | |
| CN108445449B (en) | Real-time high-precision positioning method and device for outdoor construction machinery | |
| CN106226756A (en) | A kind of Laser Radar Scanning device of two dimension | |
| CN106154282B (en) | Laser array high speed space tracking system (STS) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180306 Address after: 610000 nine Xingdao No. 10, Chengdu hi tech Zone, Sichuan Province, 1 Patentee after: CHENGDU XIDE OPTOELECTRONIC TECHNOLOGY CO.,LTD. Address before: 610000 Sichuan City, Chengdu province high tech Zone Park Road, No. 10, building 2, unit 10, layer 1, No. 2 Patentee before: CHENGDU XIDE ELECTRONIC INFORMATION TECHNOLOGY CO.,LTD. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170118 Termination date: 20210729 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |