Remote sensing scanning mirror rotating device
Technical Field
The invention relates to the technical field of remote sensing, in particular to a rotating device of a remote sensing scanning mirror.
Background
The prior remote sensing scanning mirror is usually used directly after the angle of the scanning mirror is fixed in advance, so that the detection scanning range of a remote sensing scanner is relatively fixed and single, and omnibearing scanning cannot be realized, further the scanning range of the remote sensing scanning mirror is reduced, and the remote sensing scanning range is influenced.
Therefore, the present invention provides a remote sensing scanning mirror rotating device to solve the problems in the prior art.
Disclosure of Invention
The invention aims to provide a remote sensing scanning mirror rotating device to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a remote sensing scanning mirror rotating device comprises a rotating device main body, a scanning mirror, a fixed seat, a rotating disc and a fixed disc, wherein the rotating disc is arranged on the fixed disc in a rotating mode around a vertical central axis of the fixed disc, the fixed seat extending vertically is fixedly arranged on the rotating disc, the rotating device main body is arranged on the fixed seat in a swinging mode, and the scanning mirror is arranged at the top of the rotating device main body; the rotary disc is characterized in that the rotary disc rotates intermittently relative to the fixed disc; and the rotating device main body swings in a reciprocating manner;
the controller controls the scanning mirror in each scanning period to enable the rotating disc to rotate by an intermittent angle, then controls the rotating device body to swing back and forth, and then enables the rotating disc to rotate by an intermittent angle to circulate in sequence, so that the rotating disc rotates by an angle to complete a scanning period.
Further, as a preferable mode, the vertical central axis of the fixed disk is a Z axis, and the rotating device body swings around an X axis along a YZ plane with a swing amplitude of at least an angle, where the XYZ axis is a three-dimensional vertical coordinate axis.
Preferably, the rotating disc and the fixed disc are rotatably supported and mounted by a thin-wall bearing, and the bottom of the rotating disc is driven to rotate by a rotating motor and a gear transmission mechanism.
Further, as preferred, the outside of fixing base still is provided with the swing driver, the bottom of rotary device main part adopts to rotate articulated shaft hinged joint and connects on the fixing base, just the swing driver with articulated shaft drive is connected.
Further, as preferred, the lower extreme of scanning mirror is provided with the regulating block, two regulation poles are installed to the lower extreme correspondence of regulating block, the scalable setting in the upper end of scanning mirror receiver in the bottom of adjusting the pole, and the bottom middle part of regulating block is provided with sensing optical cable, signal collector is installed to scanning mirror receiver's bottom, signal collector's bottom is connected with the positioning disk, the bottom of positioning disk is provided with signal recorder, be provided with signal processor between signal recorder and the positioning disk, signal processor's side is provided with information transmitter, signal recorder's bottom is provided with signal converter.
Further, as preferred, the bottom correspondence of positioning disk is provided with four telescopic links, the upper end correspondence of signal recorder is provided with four mounting holes, the bottom of carousel is provided with load resistance, one side of signal processor is provided with the connecting rod, and the upper end middle part of signal processor is provided with the center pin, one side of connecting rod is provided with the gag lever post, the universal shaft cardan shaft is installed to the inboard of scanning mirror receiver.
Preferably, the load resistor is electrically connected with the signal processor, the central shaft is connected with the positioning plate, and the four telescopic rods are correspondingly connected with the four mounting holes.
Preferably, the adjusting block is electrically connected with the sensing optical cable, and the scanning mirror is a light metal surface glass material component.
Preferably, the rotating device body is a light metal member, the signal recorder is electrically connected to the signal converter, and the signal converter is electrically connected to the information transmitter.
Further, as preferred, the center pin is an internal hollow component, and the inside of the center pin is provided with a signal transmission optical cable, the signal transmission optical cable is electrically connected with the signal processor, the lower end of the adjusting block is connected with a cardan shaft, the scanning mirror receiver is divided into an upper winding and a lower winding, the winding is in a saddle shape, and the inside of the scanning mirror receiver is provided with a magnetic ring.
Compared with the prior art, the invention has the beneficial effects that:
1. in each scanning period of the scanning mirror, the rotating disc rotates by an intermittent angle, then the rotating device main body is controlled to swing back and forth, then the rotating disc rotates by an intermittent angle, and the operation is sequentially circulated, so that the rotating disc rotates by an angle to complete one scanning period, and thus, the scanning range can be greatly ensured, the comprehensiveness, stability and orderliness of remote sensing scanning are ensured, and the remote sensing scanning performance is improved;
2. the invention can adjust the deflection of the adjusting block through the cardan shaft and the cardan joint, thereby achieving the purposes of adjusting the angle of the scanning mirror and expanding the scanning range, and the adjusting block can be adjusted to further expand the scanning range of the scanning mirror. The invention relates to a reflecting mirror with a vitrified surface, which is characterized in that light metal and large-area glass are effectively laminated through the establishment of the light metal surface glass, the large-area glass is precisely optically processed, and then an infrared reflecting film is plated.
3. The preferred rotating device main body is made of light metal materials, so that the rotating device is favorable for installation and disassembly, saves energy consumption of high-altitude operation, and has high strength, good temperature resistance and greatly prolonged service life.
4. The telescopic rod can drive the device to stretch, so that the phenomena of fixed scanning track and small range caused by fixed installation of the traditional scanning device are avoided.
Drawings
FIG. 1 is a schematic diagram of a remote sensing scanning mirror rotating device;
FIG. 2 is a schematic view of the mounting of the scanning mirror and deflection yoke in a remote sensing scanning mirror rotating apparatus;
fig. 3 is a schematic diagram of the installation of a rotating rod of a rotating device of the remote sensing scanning mirror.
Detailed Description
Referring to fig. 1 to 3, in an embodiment of the present invention, a remote sensing scanning mirror rotating device includes a rotating device main body 1, a scanning mirror 2, a fixed seat 11, a rotating disc 13 and a fixed disc 14, wherein the fixed disc 14 is provided with the rotating disc 13 rotatably around a vertical central axis thereof, the rotating disc is fixedly provided with the vertically extending fixed seat 11, the fixed seat 11 is provided with the rotating device main body 1 in a swingable manner, and the top of the rotating device main body 1 is provided with the scanning mirror 2; the device is characterized in that the rotation of the rotating disc 13 relative to the fixed disc 14 is intermittent rotation; and the rotating device body 1 swings in a reciprocating manner; the scanning device further comprises a controller, wherein the controller controls the scanning mirror 2 in each scanning period to enable the rotating disc to rotate by an intermittent angle, then controls the rotating device body 1 to swing back and forth, and then enables the rotating disc to rotate by an intermittent angle and circulate sequentially, so that the rotating disc can rotate by 360 degrees to complete one scanning period.
In the present embodiment, as shown in fig. 1, the vertical central axis of the fixed disk 14 is a Z-axis, and the rotating device body swings about an X-axis along a YZ-plane with a magnitude of at least 120 °, where the XYZ-axis is a three-dimensional vertical coordinate axis.
The rotating disc and the fixed disc are rotatably supported and mounted by a thin-wall bearing, and the bottom of the rotating disc is driven to rotate by a rotating motor and a gear transmission mechanism.
As a preferred embodiment, a swing driver 12 is further disposed outside the fixed seat 11, the bottom of the rotating device body 1 is hinged to the fixed seat by a rotating hinge shaft, and the swing driver 12 is drivingly connected to the hinge shaft.
Wherein, the lower end of the scanning mirror 2 is provided with an adjusting block 3, the lower end of the adjusting block 3 is correspondingly provided with two adjusting rods 4, the bottom ends of the adjusting rods are telescopically adjusted and arranged at the upper end of a scanning mirror receiver 5, the middle part of the bottom end of the adjusting block 3 is provided with a sensing optical cable 301, the bottom end of the scanning mirror receiver 5 is provided with a signal collector 6, the bottom end of the signal collector 6 is connected with a positioning disc 706, the bottom end of the positioning disc 706 is provided with a signal recorder 8, a signal processor 7 is arranged between the signal recorder 8 and the positioning disc 706, the side surface of the signal processor 7 is provided with an information transmitter 10, the bottom end of the signal recorder 8 is provided with a signal converter 9, the scanning mirror 2 made of light metal surface vitrification materials effectively laminates light metal and large-area glass to perform precise optical processing on the large-area glass, and then an infrared reflection film is plated, so that the reflecting mirror is high in light weight rate, has the excellent characteristics of high rigidity and high thermal conductivity of light metal and easy precision optical processing of large-area glass, and is easy to assemble and fix.
The bottom of positioning disk 706 corresponds and is provided with four telescopic links 705, the upper end of signal recorder 8 corresponds and is provided with four mounting holes 707, the bottom of carousel 706 is provided with load resistance 702, one side of signal processor 7 is provided with connecting rod 703, and the upper end middle part of signal processor 7 is provided with center pin 701, one side of connecting rod 703 is provided with gag lever post 704, cardan shaft 501 is installed to the inboard of scanning mirror receiver 5, and telescopic link 705 can concertina movement, and it is fixed to have avoided the scanning orbit that traditional scanning device fixed mounting leads to, and the phenomenon that the scope is less, and load resistance 702 can strengthen and improve signal processor 7's processing speed.
In a preferred embodiment, the load resistor 702 is electrically connected to the signal processor 7, the center shaft 701 is connected to the positioning plate 706, and the four telescopic rods 705 are correspondingly connected to the four mounting holes 707.
The adjusting block 3 is electrically connected with the sensing optical cable 301, and the scanning mirror 2 is a light metal surface vitrification material component. The rotating device body 1 is a light metal component, the signal recorder 8 is electrically connected with the signal converter 9, and the signal converter 9 is electrically connected with the information transmitter 10.
The central shaft 701 is an internal hollow component, the signal transmission optical cable 708 is arranged on the inner side of the central shaft 701, the signal transmission optical cable 708 is electrically connected with the signal processor 7, the lower end of the adjusting block 3 is connected with a universal shaft 501, the scanning mirror receiver 5 is divided into an upper winding and a lower winding, the winding is in a saddle shape, a magnetic ring is arranged on the inner side of the scanning mirror receiver 5, the universal shaft 501 is connected with the rotating block 3 through a universal joint, the rotating angle of a lens can be adjusted, and the scanning range of the scanning mirror 2 is further expanded.
The working principle of the invention is as follows: by emitting detection light to the ground, the detection light is reflected to the scanning mirror 2, after the scanning mirror 2 transmits to the scanning mirror receiver 5, the scanning mirror receiver 5 converts the received light signal into an electric signal and transmits the electric signal to the signal collector 6, and then sequentially transmits to the information transmitter 10 through the signal processor 7, the signal recorder 8 and the signal converter 9, and the information transmitter 10 outputs the electric signal to the outside to form an image, during the movement of the rotating device body 1, in each scanning period, the rotating disc is firstly rotated by an intermittent angle, then the rotating device body 1 is controlled to swing back and forth, then the rotating disc is rotated by an intermittent angle, and the operation is sequentially circulated, so that the rotating disc is rotated by 360 degrees to complete a scanning period, and the universal shaft 501 and the adjusting block 3 can adjust the angle of the scanning mirror 2 to expand the scanning range of the scanning mirror 2, the scanning range of the scanning mirror 2 can be further expanded by the contraction and rotation of the central shaft 701 and the telescopic rod 705.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent substitutions or changes according to the technical solution of the present invention and the concept of the present invention should be covered by the scope of the present invention.