CN117409652A - Interactive laser indication sand table system - Google Patents

Interactive laser indication sand table system Download PDF

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Publication number
CN117409652A
CN117409652A CN202311434078.XA CN202311434078A CN117409652A CN 117409652 A CN117409652 A CN 117409652A CN 202311434078 A CN202311434078 A CN 202311434078A CN 117409652 A CN117409652 A CN 117409652A
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CN
China
Prior art keywords
laser
sand table
drive assembly
angle
indication
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.)
Pending
Application number
CN202311434078.XA
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Chinese (zh)
Inventor
王福超
田大鹏
王玫羽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changchun Institute of Optics Fine Mechanics and Physics of CAS
Original Assignee
Changchun Institute of Optics Fine Mechanics and Physics of CAS
Priority date (The priority date 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 date listed.)
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Publication date
Application filed by Changchun Institute of Optics Fine Mechanics and Physics of CAS filed Critical Changchun Institute of Optics Fine Mechanics and Physics of CAS
Priority to CN202311434078.XA priority Critical patent/CN117409652A/en
Publication of CN117409652A publication Critical patent/CN117409652A/en
Pending legal-status Critical Current

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
    • Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Educational Administration (AREA)
  • Educational Technology (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Automation & Control Theory (AREA)
  • Optical Radar Systems And Details Thereof (AREA)

Abstract

The invention provides an interactive laser indication sand table system, which comprises a sand table model, a laser indication cloud deck which is positioned above the sand table model and fixedly connected with an external object, wherein the laser indication cloud deck can adjust the horizontal angle and pitching angle of a laser beam, a control computer and a ground end wireless data transceiver which is electrically connected with the laser indication cloud deck, the laser indication cloud deck is electrically connected with the control computer, a flight carrier, photoelectric observation equipment and a sky end wireless data transceiver which are arranged on the flight carrier, the photoelectric observation equipment is electrically connected with the control computer through the sky and ground end wireless data transceiver, the photoelectric observation equipment can transmit the spatial position information of an observation target to the control computer in real time, the control computer calculates an angle instruction of the laser indication cloud deck which needs to rotate and sends the instruction to the laser indication cloud deck, and the laser indication cloud deck adjusts the angle of the laser beam, so that the indication point of the laser beam on the sand table model is identical with the position of the target on an observed actual geographic area.

Description

Interactive laser indication sand table system
Technical Field
The invention relates to the technical field of sand tables, in particular to an interactive laser indication sand table system.
Background
Geological disasters and forest fires have the characteristics of sudden disasters, randomness of occurrence of disasters and huge loss in a short time. Therefore, once a disaster occurs, rescue measures must be taken at extremely high speed, whether rescue is timely or not is decided to be proper, the important reasons depend on whether the sudden disaster is found timely or not, whether analysis is accurate and reasonable or not, and whether the decision measures are proper or not is decided. Therefore, the interactive laser indication sand table system provided by the invention realizes the observation of geological disasters and forest fires in key areas and the efficient and rapid deployment of rescue resources, and improves the timeliness and accuracy of the command system.
Disclosure of Invention
The invention aims to solve the technical problems that the sand table model in the prior art is not displayed intuitively and a remote observation area cannot be mapped onto the sand table model in real time.
In order to solve the above technical problems, the present invention provides an interactive laser indication sand table system, which includes: the laser indication cloud platform is positioned above the sand table model and fixedly connected with an external object, the laser indication cloud platform can adjust the horizontal angle and the pitching angle of a laser beam, the ground-end wireless data transceiver and the control computer are electrically connected with the control computer, the flying carrier, the photoelectric observation equipment and the sky-end wireless data transceiver are arranged on the flying carrier, the photoelectric observation equipment is electrically connected with the control computer through the sky-end wireless data transceiver and the ground-end wireless data transceiver, the photoelectric observation equipment can transmit the spatial position information of an observation target to the control computer in real time, after the control computer receives the data, the control computer analyzes and calculates an angle instruction of the laser indication cloud platform which needs to rotate and sends the instruction to the laser indication cloud platform, and the laser indication cloud platform adjusts the angle of the laser beam according to the angle instruction, so that the indication point of the laser beam on the sand table model is identical with the position of the target on an observed actual geographic area.
Further, the laser indication holder comprises a horizontal driving assembly, a pitching driving assembly, a mounting flange, an electrical interface and a laser emitter, wherein the horizontal driving assembly is used for adjusting the horizontal angle of the laser beam, and the pitching driving assembly is used for adjusting the pitching angle of the laser beam.
Further, the horizontal excited component is fixedly connected with the mounting flange, the pitching driving component is mounted at the output end of the horizontal driving component, the horizontal angle of the pitching driving component can be adjusted by the horizontal driving component, the laser emitter is mounted at the output end of the pitching driving component, and the pitching angle of the laser emitter can be adjusted by the pitching driving component.
Further, the pitching driving assembly and the azimuth driving assembly comprise a moment motor and an axle angle measuring sensor, and the moment motor and the axle angle measuring sensor are electrically connected with the control computer.
Further, the positions of the laser indication holder and the sand table model are relatively fixed, and the rotation angles of the laser indication holder pitching driving assembly and the azimuth driving assembly are in one-to-one correspondence with the longitude and latitude on the sand table model.
Further, the control computer and the laser indication holder adopt an RS422 interface for communication.
Further, the control computer can convert the latitude and longitude information of the target into angle information of the laser indication holder.
Further, the rotation range of the horizontal driving assembly is-180 degrees to +180 degrees.
Further, the pitch drive assembly rotates in a range of-150 to +30°.
Furthermore, the photoelectric observation device is provided with a GPS/Beidou positioning system, an inertial navigation system and a laser ranging device, and the space position of the target is calculated and analyzed through the GPS/Beidou positioning system, the inertial navigation system and the laser ranging device.
According to the technical scheme, the beneficial effects of the invention are as follows: the photoelectric observation equipment can transmit the image and coordinate information of the target back to the control computer in real time through the sky-end wireless data receiving and transmitting device, and the laser indicates the cradle head to transmit the coordinate position of the target to the sand table model, so that the geographic position of the target can be intuitively displayed, the efficient deployment of resources is realized, and the timeliness and the accuracy of the command system are improved.
Drawings
FIG. 1 is a general construction diagram of an interactive laser pointer sand table system of the present invention;
FIG. 2 is a schematic diagram of an interactive laser pointer sand table of the present invention;
FIG. 3 is a schematic diagram of the remote observation device of the interactive laser pointing sand table system of the present invention;
FIG. 4 is a schematic view of a laser pointing cradle head according to the present invention;
fig. 5 is a schematic diagram of a working range of a laser indication holder according to the present invention.
The reference numerals are explained as follows: 3. a sand table mounting base; 4. a sand table model; 5. laser indication holder; 501. an electrical interface; 502. a mounting flange; 503. an azimuth drive assembly; 504. a pitch drive assembly; 505. a laser emitter; 6. laser indication holder mounting base; 7. a control computer; 8. ground wireless data transceiver; 9. the actual geographical area being observed; 10. an optoelectronic observation device; 11. a flight carrier; 12. and the space terminal wireless data transceiver.
Detailed Description
Exemplary embodiments that embody features and advantages of the present invention will be described in detail in the following description. It will be understood that the invention is capable of various modifications in various embodiments, all without departing from the scope of the invention, and that the description and illustrations herein are intended to be by way of illustration only and not to be construed as limiting the invention.
In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
For the purpose of further illustrating the principles and structure of the present invention, preferred embodiments of the invention will now be described in detail with reference to the accompanying drawings.
Referring to fig. 1-5, an interactive laser indication sand table system provided in this embodiment includes a sand table model 4 and a control computer 7, a laser indication cloud deck 5 located above the sand table model 4 and fixed relative to the sand table model 4, a flight carrier 11 and a photoelectric observation device 10 disposed on the flight carrier, where the laser indication cloud deck 5 and the photoelectric observation device 10 are electrically connected with the control computer 7, the laser indication cloud deck 5 can adjust the horizontal angle and the pitching angle of the laser beam according to the instruction of the control computer 7, and when viewing, the photoelectric observation device 10 transmits the spatial position information of the observation target to the control computer 7 in real time, after the control computer 7 receives the data, analyzes and calculates the angle instruction of the laser indication cloud deck 5 that needs to rotate and sends the instruction to the laser indication cloud deck 5, and the laser indication cloud deck 5 adjusts the angle of the laser beam according to the angle instruction, so that the indication point of the laser beam on the sand table model 4 is the same as the position of the target on the actual geographical area to be observed.
In order to transmit the target information observed by the photoelectric observation device 10 to the control computer 7, the device further comprises a ground-end wireless data transceiver 8 and a sky-end wireless data transceiver 12, wherein the ground-end wireless data transceiver 8 is electrically connected with the control computer 7, the photoelectric observation device 10 is electrically connected with the sky-end wireless data transceiver 12, and the photoelectric observation device 10 is in communication connection with the control computer 7 through the sky-end wireless data transceiver 12 and the ground-end wireless data transceiver 8.
The photoelectric observation device 10 can transmit the image and coordinate information of the target back to the control computer 7 in real time through the sky-end wireless data receiving and transmitting device 12, and the laser indicates the cradle head 5 to transmit the coordinate position of the target to the sand table model 4, so that the geographic position of the target can be intuitively displayed, the efficient deployment of resources is realized, and the timeliness and accuracy of the command system are improved.
The present scheme will be described in detail below
As shown in fig. 1, the interactive laser pointing sand table system is divided into a sand table pointing system 1 provided at a command center and a remote observation system 2 performing an observation task. The interactive laser indication sand table system comprises a sand table installation base 3, a sand table model 4, a laser indication cloud deck 5, a laser indication cloud deck installation base 6, a control computer 7, a ground end wireless data transceiver 8, photoelectric observation equipment 10, a flight carrier 11 and a sky end wireless data transceiver 12.
As shown in fig. 2, in this embodiment, the sand table model 4 is fixed to the sand table mounting base 3, and the sand table mounting base 3 is fixed to the ground. The laser indication holder 5 is fixed on a wall or a fixed bracket through the laser indication holder mounting base 6, the laser indication holder 5 is connected with the control computer 7 through a cable, and the control computer 7 is connected with the ground-end wireless data transceiver 8 through a cable.
As shown in fig. 3, the sky-end wireless data transceiver 12 is fixed on the flight carrier 11, and the photoelectric observation device 10 is fixed on the lower part of the flight carrier 11.
As shown in fig. 4, the laser pointing cradle head 5 described in this embodiment includes an electrical interface 501, a mounting flange 502, an azimuth drive assembly 503, a pitch drive assembly 504, and a laser transmitter 505. Wherein the electrical interface 501 is connected to the control computer 7 and to an external power supply source, the power supply voltage being in the range of 12V-24 VDC. The laser indication holder 5 is connected with the laser indication holder mounting base 6 through a mounting flange 502. The azimuth driving assembly 503 is mounted on the base where the flange 502 is located, and the azimuth driving assembly 503 has a rotational degree of freedom with respect to the base, and the rotational range is-180 ° to +180°. The pitch drive assembly is mounted on the azimuth drive assembly 503, and the pitch drive assembly 504 has a rotational degree of freedom with respect to the azimuth drive assembly, with a rotational range of-150 ° to +30°. The azimuth motor driving assembly 503 and the elevation motor driving assembly 504 are composed of a moment motor and an angle encoder. The laser transmitter 505 is mounted on the pitch drive assembly 504.
After the sand table model 4 and the laser pointing head 5 are installed, as shown in fig. 5, the two needs to be calibrated, so that the pitch and azimuth angles of the laser pointing head 5 correspond to the longitude and latitude on the sand table model 4, and the pointing range of the laser pointing head should cover the whole sand table model.
Specifically, the method comprises the following steps:
step 1: the photoelectric observation equipment 10 is in communication connection with the control computer 7 through the space-side wireless data transceiver 12 and the ground-side wireless data transceiver 8, and the control computer 7 can receive data returned by the photoelectric observation equipment 10;
step 2: after the flight carrier arrives at the observation area 9 to execute tasks and a key target is found, the photoelectric observation equipment 10 tracks the key target, the position of the key target is calculated and analyzed according to a GPS/Beidou positioning system, an inertial navigation system and a laser ranging device which are mounted on the photoelectric observation equipment 10, and the photoelectric observation equipment 10 sends the calculated and analyzed key target position to the control computer 7 through the space-end wireless data transceiver 12 and the ground-end wireless data transceiver 8;
step 3: after receiving the target position data sent by the photoelectric observation equipment 10, the control computer 8 analyzes the target position data to obtain an angle instruction that the laser indication holder 5 needs to rotate after analysis, and sends the angle instruction to the laser indication holder 5 through the RS422 communication interface;
step 4: after the laser indication holder 5 receives the angle instruction, a control circuit in the laser indication holder acquires information of angular position sensors on the pitching driving assembly 504 and the azimuth driving assembly 503 in real time, and drives the torque motor to rotate to the same position as the received angular position through a closed-loop control algorithm;
step 5: the laser transmitter 505 is turned on to transmit the laser beam, and the indication point of the laser beam on the sand table model 4 is the same as the position of the target on the observed actual geographic area 9, so that the target position information can be intuitively observed.
While the invention has been described with reference to several exemplary embodiments, it is to be understood that the terminology used is intended to be in the nature of words of description and of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the meets and bounds of the claims, or equivalences of such meets and bounds are therefore intended to be embraced by the appended claims.

Claims (10)

1. An interactive laser indication sand table system comprises a sand table model, a laser indication cloud deck which is positioned above the sand table model and fixedly connected with an external object, wherein the laser indication cloud deck can adjust the horizontal angle and the pitching angle of a laser beam; the laser indication holder and the ground wireless data transceiver are electrically connected with the control computer; the photoelectric observation device is electrically connected with the control computer through the space end wireless data transceiver and the ground end wireless data transceiver, the photoelectric observation device can transmit the space position information of an observation target to the control computer in real time, after the control computer receives the data, an angle instruction of the laser indication holder needing to rotate is analyzed and calculated, the instruction is sent to the laser indication holder, and the laser indication holder adjusts the angle of the laser beam according to the angle instruction, so that the position of an indication point of the laser beam on a sand table model is identical with the position of the target in an observed actual geographic area.
2. The interactive laser pointer sand table system of claim 1 wherein the laser pointer holder comprises a horizontal drive assembly, a pitch drive assembly, a mounting flange, an electrical interface, and a laser transmitter, the horizontal drive assembly for adjusting the laser beam horizontal angle, the pitch drive assembly for adjusting the laser beam pitch angle.
3. The interactive laser pointer sand table system of claim 2 wherein the horizontal excitation assembly is fixedly connected to the mounting flange, the pitch drive assembly is mounted at an output of the horizontal drive assembly, the horizontal drive assembly is capable of adjusting a horizontal angle of the pitch drive assembly, the laser transmitter is mounted at an output of the pitch drive assembly, and the pitch drive assembly is capable of adjusting a pitch angle of the laser transmitter.
4. The interactive laser pointer sand table system of claim 3 wherein the pitch drive assembly and the azimuth drive assembly each comprise a torque motor and an axle angle measurement sensor, each of which is electrically connected to the control.
5. The interactive laser pointing sand table system of claim 1 wherein the laser pointing head is fixed relative to the sand table model, and the angle of rotation of the laser pointing head pitch drive assembly and the azimuth drive assembly corresponds to the longitude and latitude on the sand table model.
6. The interactive laser pointer sand table system of claim 2 wherein the control computer communicates with the laser pointer head using an RS422 interface.
7. The interactive laser pointing sand table system of claim 5, wherein the control computer converts the latitude and longitude information of the target into angle information of the laser pointing pan-tilt.
8. The interactive laser pointer sand table system of claim 2 wherein the horizontal drive assembly rotates in the range of-180 ° to +180°.
9. The interactive laser pointer sand table system of claim 8 wherein the pitch drive assembly rotates in a range of-150 ° to +30°.
10. The interactive laser pointing sand table system according to claim 1, wherein the photoelectric observation device is equipped with a GPS/beidou positioning system, an inertial navigation system, and a laser ranging device, and the spatial position of the target is calculated and resolved by the GPS/beidou positioning system, the inertial navigation system, and the laser ranging device.
CN202311434078.XA 2023-10-31 2023-10-31 Interactive laser indication sand table system Pending CN117409652A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311434078.XA CN117409652A (en) 2023-10-31 2023-10-31 Interactive laser indication sand table system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311434078.XA CN117409652A (en) 2023-10-31 2023-10-31 Interactive laser indication sand table system

Publications (1)

Publication Number Publication Date
CN117409652A true CN117409652A (en) 2024-01-16

Family

ID=89495899

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311434078.XA Pending CN117409652A (en) 2023-10-31 2023-10-31 Interactive laser indication sand table system

Country Status (1)

Country Link
CN (1) CN117409652A (en)

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