CN216599853U - Remote multispectral investigation evidence obtaining instrument - Google Patents

Abstract

A remote multispectral investigation and evidence obtaining instrument comprises an evidence obtaining instrument main body and a two-dimensional rotating platform, wherein the evidence obtaining instrument main body comprises a plurality of rotating platforms; the housing has a first window, a second window and a third window; the control component is arranged in the shell; the 316mm zoom lens visible light camera is arranged in the shell and is connected with the control component; the 35mm zoom lens thermal imaging camera is arranged in the shell and is connected with the control component; the laser lamp is arranged in the shell, connected with the control assembly and used for controlling the laser lamp to supplement light in a night all-black mode; the data acquisition assembly is arranged in the shell. Can use under the dark mode at night under carrying on 316mm zoom lens visible light camera, 35mm zoom lens thermal imaging camera, laser lamp and data acquisition subassembly synergism, the laser lamp is the invisible light filling illumination of naked eye, has the hidden monitoring function, realizes high definition control round the clock, distinguishes personnel's facial feature, wearing feature and vehicle.

Description

Remote multispectral investigation evidence obtaining instrument

Technical Field

The utility model relates to the technical field of investigation evidence obtaining instruments, in particular to a remote multispectral investigation evidence obtaining instrument.

Background

The investigation instrument is specially designed for law enforcement and evidence collection, is suitable for field temporary control, concealed squat and guard, mobile investigation, and is used in the fields of all-weather investigation, real-time tracking, remote shooting and recording of specific areas or targets, or environments needing distance measurement, positioning and orientation. In the night mode, the existing detection instrument monitors a target by using a thermal imaging camera, but thermal imaging can only distinguish people or other objects, but cannot distinguish facial features, wearing features and the like of people and cannot distinguish defects of vehicle features.

SUMMERY OF THE UTILITY MODEL

It is an object of the present application to overcome the above problems or to at least partially solve or alleviate the above problems.

The technical scheme of the utility model provides a remote multispectral investigation evidence obtaining instrument, which comprises: the device comprises a evidence obtaining instrument main body and a two-dimensional rotating platform, wherein the evidence obtaining instrument main body comprises a main body and a platform; the device comprises a shell, a first window, a second window and a third window, wherein the first window, the second window and the third window are all provided with transparent protective glass sheets; the control assembly is arranged inside the shell; the lens of the 316mm zoom lens visible light camera is positioned in the first window and connected with the control component and is used for sending a real-time video stream to the control component; the lens of the 35mm zoom lens thermal imaging camera is positioned in the second window, is connected with the control assembly and is used for sending a real-time video stream to the control assembly; the laser lamp is arranged in the shell, and a lamp cap of the laser lamp is positioned at the third window, is connected with the control assembly and is used for controlling the laser lamp to supplement light in a night all-black mode; and the data acquisition assembly is arranged in the shell and used for receiving distance data and position information of the measured object.

The remote multispectral investigation and evidence obtaining instrument comprises an evidence obtaining instrument main body and a two-dimensional rotating platform, wherein the evidence obtaining instrument main body comprises a shell, a control component, a 316mm zoom lens visible light camera, a 35mm zoom lens thermal imaging camera, a laser lamp and a data acquisition component, the control component is arranged in the shell and used for controlling the 316mm zoom lens visible light camera, the 35mm zoom lens thermal imaging camera, the laser lamp and the data acquisition component and receiving video streams at the same time; the 316mm zoom lens visible light camera is arranged inside the shell, the 316mm zoom lens visible light camera is connected with the control component and sends a real-time video stream to the control component to acquire image information, the 35mm zoom lens thermal imaging camera is arranged inside the shell, the 35mm zoom lens thermal imaging camera is connected with the control component and sends a real-time video stream to the control component to acquire image information, the laser lamp is arranged inside the shell and can irradiate for a distance of 1500 meters, and the laser lamp is connected with the control component and controls the laser lamp to supplement light in a night all-black mode; the data acquisition assembly is arranged in the shell and used for receiving distance data and position information of the measured object. The night all-black mode infrared camera has a concealed monitoring function, can realize day-night high-definition monitoring and has the technical effects of distinguishing facial features, wearing features of people and vehicles by carrying a 316mm zoom lens visible light camera, a 35mm zoom lens thermal imaging camera, a laser lamp and a data acquisition assembly under the synergistic effect.

In addition, the above technical solution of the present invention may further have the following additional technical features:

in the above technical solution, the control assembly includes; the video recording main board is connected with the data acquisition assembly and is used for receiving the distance data of the measured object and the position information; and the comprehensive control board is respectively connected with the data acquisition assembly and the video recording main board and is used for controlling the connection of the data acquisition assembly and the video recording main board.

In the above technical solution, the video recording main board is connected to a network switch, and the network switch is connected to the second aviation plug.

In the above technical solution, the data acquisition assembly comprises; the GPS data acquisition board is connected with the control component; the GPS antenna A and the GPS antenna B are both connected with the GPS data acquisition board and are used for receiving satellite signals to form the position information; the laser range finder is connected with the GPS data acquisition board and used for obtaining the distance data of the measured object, and the head of the laser range finder is positioned at the fourth window of the shell.

In the technical scheme, the wireless receiving module and the 4G module WIFI module are further included; the wireless receiving module is arranged in the shell and is connected with the control component and the remote controller; the 4G module WIFI module with control assembly, 4G antenna connection, WIFI antenna connection.

In the technical scheme, the device also comprises a built-in battery and a solid state disk; the built-in battery is arranged inside the shell, connected with the control assembly, the data acquisition assembly and the 4G module WIFI module through a power switch, and further connected with a first aviation plug; the solid state disk is arranged in the shell and connected with the control assembly.

In the above technical solution, the two-dimensional rotating platform comprises; a horizontal shaft rotating assembly which is vertically arranged; the lower part of the L-shaped bracket assembly is connected with the upper part of the horizontal shaft rotating assembly and is used for driving the horizontal shaft rotating assembly and the L-shaped bracket assembly to horizontally rotate; the pitching shaft rotating assembly is connected with the front side of the L-shaped support assembly, and the pitching shaft rotating assembly is connected with the evidence obtaining instrument main body and used for driving the evidence obtaining instrument main body to pitch.

In the above technical solution, the L-shaped bracket assembly includes; an L-shaped bracket side arm; the L-shaped bracket base is arranged at the lower part of the side arm of the L-shaped bracket; the L-shaped bracket cover plate is arranged at the upper part of the L-shaped bracket base; and the side cover plate is arranged on the front side of the side arm of the L-shaped bracket.

In the above technical solution, the horizontal axis rotation assembly comprises; a base; the network port aviation plug and the power supply interface aviation plug are both arranged inside the base; the horizontal shaft bearing seat is arranged at the upper part of the base; the first horizontal shaft bearing and the second horizontal shaft bearing are both arranged in the horizontal shaft bearing seat; the conductive slip ring is inserted in the middle parts of the first horizontal shaft bearing and the second horizontal shaft bearing and is connected with the mounting groove in the middle part of the horizontal shaft bearing seat; the lower part of the horizontal shaft rotating piece is in pressure joint with the horizontal shaft bearing seat; the horizontal shaft sealing ring is positioned inside the horizontal shaft rotating piece and at the joint of the horizontal shaft rotating piece and the horizontal shaft bearing seat; a horizontal shaft synchronizing wheel, the lower part of which is mounted on the upper part of the horizontal shaft rotating member; the horizontal shaft stepping motor base is arranged on the L-shaped bracket component; the horizontal shaft stepping motor is arranged on the front side of the horizontal shaft stepping motor base; the horizontal shaft motor synchronizing wheel is arranged at the lower end of a main shaft of the horizontal shaft stepping motor; the horizontal shaft synchronous belt is sleeved on the horizontal shaft synchronous wheel and the horizontal shaft motor synchronous wheel; the 0-point positioning detection switch is arranged in the L-shaped bracket component; the horizontal blocking piece is arranged on the horizontal shaft rotating piece and used for triggering the 0 point positioning detection switch; the upper part of the horizontal shaft rotating part is connected with the L-shaped support assembly, the horizontal shaft stepping motor is used for driving the horizontal shaft motor synchronizing wheel to rotate, and the horizontal shaft synchronizing belt drives the horizontal shaft synchronizing wheel to rotate, so that the horizontal shaft rotating part horizontally rotates, and the L-shaped support assembly and the pitching shaft rotating assembly are further driven to horizontally rotate.

In the above technical solution, the pitching shaft rotating assembly comprises; the two-axis stepping motor drive control panel is arranged inside the L-shaped bracket component; the handle is arranged at the top of the L-shaped bracket component; the horizontal bubble is bonded on the top of the L-shaped bracket component; the pitching shaft bearing seat is arranged in the L-shaped bracket component and corresponds to the through hole of the L-shaped bracket component; the pitching shaft rotating piece is in compression joint with the pitching shaft bearing seat, and the pitching shaft rotating piece is connected with the evidence obtaining instrument main body; the pitching shaft bearing is sleeved on the inner diameter of the pitching shaft rotating part; a pitch shaft seal ring installed between the pitch shaft bearing and the pitch shaft rotating member; the head-up limit switch and the head-down limit switch are arranged on the bearing seat of the pitch shaft; a pitch shaft blocking piece mounted on the pitch shaft rotating member; a worm wheel mounted on a front end of the pitch shaft rotating member; the middle part of the pitching shaft structure reinforcing bracket is provided with an opening, the middle part of the pitching shaft rotating piece is inserted into the opening, so that the worm wheel is positioned on the front side of the pitching shaft structure reinforcing bracket, and the pitching shaft structure reinforcing bracket is connected with the L-shaped bracket component and used for fixing the pitching shaft rotating piece; the worm support is arranged on the L-shaped support assembly; the worm is arranged on the worm support and meshed with the worm wheel; the worm synchronous wheel is arranged at one end of the worm; the pitching shaft stepping motor base is arranged on the L-shaped bracket component; the pitch shaft stepping motor is arranged on the pitch shaft stepping motor base; the pitching motor synchronizing wheel is arranged on a power output main shaft of the pitching shaft stepping motor; the pitch shaft synchronous belt is sleeved on the pitch motor synchronous wheel and the worm synchronous wheel; the worm adjusting frame is arranged on the L-shaped bracket component, is connected with the worm bracket and is used for adjusting the height of the worm bracket; the power switch is arranged on the L-shaped bracket component; the two-axis stepping motor drive control board is connected with the pitch axis stepping motor and used for driving the pitch axis stepping motor to rotate, the pitch motor synchronous wheel rotates along with the rotation of the pitch axis synchronous belt, so that the pitch axis synchronous belt rotates to drive the worm synchronous wheel to rotate, the worm is further driven to rotate to drive the worm wheel to rotate, and the evidence obtaining instrument body follows the pitch motion; the two-axis stepping motor driving control board is connected with the horizontal axis stepping motor and used for driving the horizontal axis stepping motor; the two-axis stepping motor drive control board is connected with the control assembly and used for receiving signals of the control assembly.

The above and other objects, advantages and features of the present application will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the present application will be described in detail hereinafter by way of illustration and not limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic front view of a remote multi-spectral forensic instrument according to one embodiment of the present application;

FIG. 2 is a block diagram of the internal structure of the forensics body of the remote multispectral surveillance forensics of FIG. 1;

fig. 3 is an exploded view of the two-dimensional rotating platform of the remote multispectral forensic instrument of fig. 1.

The labels in the figure are:

100. a two-dimensional rotating platform; 50. a horizontal axis rotation assembly; 60. an L-shaped bracket assembly; 70. a pitch shaft rotation assembly; 1. a base; 2. a net-port aviation plug; 3. a power interface aviation plug; 4. a horizontal shaft bearing seat; 5. a conductive slip ring; 6. a first horizontal shaft bearing; 7. a horizontal axis rotating member; 8. a horizontal shaft seal ring; 9. a second horizontal shaft bearing; 10. a detection switch is positioned at 0 point; 11. a horizontal shaft baffle plate; 12. a horizontal axis synchronizing wheel; 13. the conductive slip ring is led out to protect the bearing; 14. a horizontal shaft synchronous belt; 15. a horizontal shaft motor synchronizing wheel; 16. a horizontal axis stepping motor; 17. a horizontal shaft stepping motor base; 18. an L-shaped bracket base; 19. An L-shaped bracket cover plate; 20. an L-shaped bracket side arm; 21. horizontal bubble; 22. a handle; 23. the two-axis stepping motor drives the control panel; 24. a power switch; 25. a pitch shaft seal ring; 26. a worm adjusting rack; 27. a pitch shaft bearing; 28. a pitch shaft bearing block; 29. a head-up limit switch; 30. a low head limit switch; 31. a pitch axis stop; 32. a worm gear; 33. a pitch axis rotating member; 34. the pitching shaft structure reinforcing bracket; 35. a worm synchronizing wheel; 36. a worm; 37. a pitch shaft synchronous belt; 38. a pitching motor synchronizing wheel; 39. a pitch axis stepper motor; 40. a pitch axis stepper motor mount; 41. a worm support; 42. a side cover plate;

200. a evidence obtaining instrument main body; 201. a data acquisition component; 201-1, a GPS data acquisition board; 201-2, GPS antenna A; 201-3, GPS antenna B; 201-4, a laser range finder; 202. a built-in battery; 203. a 316mm zoom lens visible light camera; 204. a 35mm zoom lens thermal imaging camera; 205. a laser light; 207. a wireless receiving module; 208. a control component; 208-1, a comprehensive control panel; 208-2, a network switch; 208-3, a video mainboard; 209. a solid state disk; 210. a 4G module WIFI module; 211. a WIFI antenna; 212. 4G antenna.

Detailed Description

The present application will now be described in further detail by way of specific embodiments with reference to the accompanying drawings. The following examples are intended to illustrate the present application but are not intended to limit the scope of the present application.

Example 1:

FIG. 1 is a schematic front view of a remote multi-spectral forensic instrument according to one embodiment of the present application;

fig. 2 is a block diagram of the internal structure of the forensics body of the remote multispectral reconnaissance forensics instrument shown in fig. 1. As shown in fig. 1 and 2, in one particular embodiment, a remote multi-spectral forensic instrument may generally comprise a forensic instrument body 200 and a two-dimensional rotating platform 100. Wherein the forensics body 200 may include a housing, a control assembly 208, a 316mm zoom lens visible camera 203, a 35mm zoom lens thermal imaging camera 204, a laser light 205, and a data acquisition assembly 201.

In detail, the shell is provided with a first window, a second window and a third window, and the first window, the second window and the third window are all provided with transparent protective glass sheets; the control assembly 208 is mounted inside the housing; the 316mm zoom lens visible light camera 203 is arranged inside the shell, and the lens of the 316mm zoom lens visible light camera 203 is positioned at the first window and is connected with the control component 208, and is used for sending a real-time video stream to the control component 208; the 35mm zoom lens thermal imaging camera 204 is arranged inside the housing, and a lens of the 35mm zoom lens thermal imaging camera 204 is positioned in the second window and connected with the control component 208, and is used for sending a real-time video stream to the control component 208; the laser lamp 205 is arranged inside the shell, and a lamp cap of the laser lamp 205 is positioned at the third window and connected with the control component 208, and is used for controlling the laser lamp 205 to supplement light in a night all-black mode; the data acquisition assembly 201 is arranged in the shell and used for receiving distance data and position information of the measured object.

The remote multispectral investigation evidence obtaining instrument can be used in a night all-black mode under the synergistic effect of the laser lamp 205 and the data acquisition component 201 by carrying the 316mm zoom lens visible light camera 203, the 35mm zoom lens thermal imaging camera 204, the 316mm zoom lens visible light camera 203 and the 35mm zoom lens thermal imaging camera 204 can better image, the laser lamp 205 is invisible to naked eyes and can be used for supplementary lighting, the remote multispectral investigation evidence obtaining instrument has a hidden monitoring function, day and night high-definition monitoring can be realized, and the technical effect of distinguishing facial features of a person, wearing features and vehicles is achieved.

In this embodiment, the diameters of the first window, the second window, and the third window may be the same or different, and the specific sizes may be adapted to the lens of the 316mm zoom lens visible light camera 203, the lens of the 5mm zoom lens thermal imaging camera 204, and the lamp head of the laser lamp 205, which are respectively corresponding to the first window, the second window, and the third window, and the structure is reasonable. The 316mm zoom lens visible light camera 203 is installed inside the shell through screws, and the 316mm zoom lens visible light camera 203 is connected with the network switch 208-2 of the control component 208 and used for transmitting video streams to the video main board 208-3 of the control component 208. The 35mm zoom lens thermal imaging camera 204 is mounted inside the housing by screws, and the 35mm zoom lens thermal imaging camera 204 is connected to the video main board 208-3 and the integrated control board 208-1 of the control module 208, respectively, for transmitting video streams to the control module 208. Laser lamp 205 passes through the screw installation in the inside of shell, and this laser lamp 205 is connected with control assembly 208's comprehensive control panel 208-1 for control laser lamp 205 light filling under the complete black mode at night, this laser lamp 205 can shine 1500 meters distances, and this laser lamp 205 is the invisible light filling illumination of naked eye, has and conceals monitoring function, can realize high definition control round the clock, differentiates personnel and vehicle.

Optionally, the data acquisition assembly 201 is mounted inside the housing by screws.

Alternatively, the housing may be a rectangular body.

Example 2:

as shown in fig. 2, in one embodiment, the features defined in any of the above embodiments are included, and further and optionally. The control components 208 may generally include a video motherboard 208-3, an integrated control board 208-1, a network switch 208-2, and a second airline plug 208-4.

In detail, the video recording main board 208-3 is connected with the data acquisition component 201 through a circuit and is used for receiving distance data and position information of a measured object, and the integrated control board 208-1 is respectively connected with the data acquisition component 201 and the video recording main board 208-3 through circuits and is used for controlling the data acquisition component 201 and the video recording main board 208-3. The video motherboard 208-3 is connected to the network switch 208-2 by a wire, and the network switch 208-2 is connected to the second aviation plug 208-4. The integral operation of the remote multispectral investigation evidence obtaining instrument is controlled through the video main board 208-3, the data acquisition component 201 and the comprehensive control board 208-1, and the operation is convenient and fast.

Alternatively, the integrated control panel 208-1 may be RS485 in type.

Example 3:

as shown in fig. 2, in one embodiment, the features defined in any of the above embodiments are included, and further and optionally. Data acquisition component 201 may generally include a GPS data acquisition board 201-1, a laser rangefinder 201-4, a GPS antenna a201-2, a GPS antenna B201-3, and a wireless reception module 207 and a 4G module WIFI module 210.

Specifically, the GPS data acquisition board 201-1 is connected with the video main board 208-3 of the control component 208 and the integrated control board 208-1 through a circuit, the GPS antenna A201-2 and the GPS antenna B201-3 are both connected with the GPS data acquisition board 201-1 through a circuit and used for receiving satellite signals to form position information, and no dead angle exists through configuration of network signals of the GPS antenna A201-2 and the GPS antenna B201-3. The laser range finder 201-4 is connected with the GPS data acquisition board 201-1 and used for obtaining distance data of a measured object, the head of the laser range finder is positioned at a fourth window of the shell, and the fourth window is also provided with a transparent protective glass sheet and measures distance according to the flight time of laser. The laser range finder 201-4 can measure 3km to realize long-distance observation. Wireless receiving module 207 and 4G module WIFI module 210 are integrated in the shell, wireless receiving module 207 and control assembly 208's comprehensive control panel 208-1 are connected, and this wireless receiving module 207 still and remote controller wireless connection realize wireless control, can realize day night mode switch simultaneously, and the cloud platform rotates, and laser lamp 205 shines the angle modulation. 4G module WIFI module 210 and control assembly 208's video recording mainboard 208-3 are connected, still with 4G antenna 212, WIFI antenna 211 is connected, link with the user side through 4G network, WIFI local area network, three kinds of modes of wired net twine, all can obtain real-time video image, and control equipment, can support accurate location through GPS antenna A201-2 and GPS antenna B201-3, GPS antenna A201-2 and GPS antenna B201-3 constitute two antenna system, existing locate function, and there is orientation function, similar electron compass, can obtain the course data of observation direction of observation window in real time, orientation function is: the geographical north is 0 degrees, the clockwise horizontal rotation is 360 degrees for one circle, the clockwise rotation is increased progressively from 0 degrees, the true north direction is 0 degrees, the true east direction is 90 degrees, the true south direction is 180 degrees, and the true west direction is 270 degrees.

Example 4:

as shown in fig. 2, in one embodiment, the features defined in any of the above embodiments are included, and further and optionally. The remote multispectral forensic instrument further comprises a built-in battery 202 and a solid state drive 209.

In detail, the built-in battery 202 is arranged inside the housing, the built-in battery 202 is connected with the control component 208, the data acquisition component 201 and the 4G module WIFI module 210 through a power switch, and the built-in battery 202 is further connected with a first aviation plug 214. A solid state drive 209 is mounted inside the housing and is connected to the control component 208.

The built-in battery 202 is a 10000mAH high-capacity lithium battery, has an ultra-long standby time, can work statically for 6 hours, is provided with a mobile power box, uses a low-temperature-resistant battery, has a capacity of 50AH, and can realize 24 hours, independent of commercial power and all-weather monitoring.

The solid state disk 209 supports the storage of a maximum 2TB solid state disk, can record video pictures of the visible light camera 203 with a zoom lens of 316mm and the thermal imaging camera 204 with a zoom lens of 35mm in real time, and can continuously store videos for 1 month.

Example 5:

as shown in fig. 1 and 3, in one embodiment, includes the features defined in any of the above embodiments, and further and optionally. The two-dimensional rotating platform 100 may generally include a horizontal axis rotating assembly 50, an L-bracket assembly 60, and a pitch axis rotating assembly 70.

In detail, the horizontal axis rotation assembly 50 is vertically disposed; the lower part of the L-shaped bracket assembly 60 is connected with the upper part of the horizontal shaft rotating assembly 50 and is used for driving the horizontal shaft rotating assembly 50 and the L-shaped bracket assembly 60 to rotate horizontally; the pitch axis rotating component 70 is connected with the front side of the L-shaped bracket component 60, and the pitch axis rotating component 70 is connected with the evidence obtaining instrument main body 200 and is used for driving the evidence obtaining instrument main body 200 to pitch.

The evidence obtaining instrument main body 200 is driven to realize horizontal rotation and pitching motion through the horizontal shaft rotating component 50 and the pitching shaft rotating component 70, the evidence obtaining instrument main body 200 is located on one side of the L-shaped bracket component 60, a single-arm suspension type structure is formed, and the device has the characteristics of novel structure, small size, light weight and high space utilization rate.

Example 6:

as shown in fig. 3, in one embodiment, the features defined in any of the above embodiments are included, and further and optionally. The L-bracket assembly 60 may generally include L-bracket side arms 20, an L-bracket base 18, an L-bracket cover 19, and side covers 42.

In detail, the L-shaped bracket base 18 is mounted on the lower part of the L-shaped bracket side arm 20; the L-shaped bracket cover plate 19 is arranged at the upper part of the L-shaped bracket base 18; the side cover 42 is attached to the front side of the L-shaped bracket side arm 20. The L-shaped bracket assembly 60 is formed by connecting the L-shaped bracket base 18, the L-shaped bracket side arm 20 and the side cover plate 42, and the L-shaped bracket assembly 60 is positioned on one side of the evidence obtaining instrument main body 200 to realize unilateral connection.

In the present embodiment, the L-shaped bracket side arm 20 is a rectangular body, the L-shaped bracket base 18 is welded or bolted to the lower portion of the L-shaped bracket side arm 20, so that the L-shaped bracket side arm 20 and the L-shaped bracket base 18 form an "L" shape, the L-shaped bracket cover 19 is a rectangular body and is mounted on the upper portion of the L-shaped bracket base 18 by screws, the side cover 42 is a rectangular box body and is mounted on the front side of the L-shaped bracket side arm 20 by bolts, and thus an L-shaped bracket assembly 60 is formed.

The side cover plate 42 is used for achieving the functions of water resistance, dust resistance, internal structural part protection and attractiveness.

Example 7:

as shown in fig. 3, in one embodiment, the features defined in any of the above embodiments are included, and further and optionally. The horizontal shaft rotating assembly 50 generally comprises a base 1, a net port aviation plug 2, a power interface aviation plug 3, a horizontal shaft bearing seat 4, a first horizontal shaft bearing 6, a second horizontal shaft bearing 9, a conductive sliding ring 5, a horizontal shaft rotating piece 7, a horizontal shaft sealing ring 8, a horizontal shaft synchronizing wheel 12, a horizontal shaft stepping motor seat 17, a horizontal shaft stepping motor 16, a horizontal shaft motor synchronizing wheel 15, a horizontal shaft synchronous belt 14, a 0-point positioning detection switch 10 and a horizontal baffle plate 11.

In detail, the net port aviation plug 2 and the power supply interface aviation plug 3 are both arranged on the inner horizontal shaft bearing seat 4 of the base 1 and are arranged on the upper part of the base 1; the first horizontal shaft bearing 6 and the second horizontal shaft bearing 9 are both arranged inside the horizontal shaft bearing block 4; the conductive slip ring 5 is inserted in the middle parts of the first horizontal shaft bearing 6 and the second horizontal shaft bearing 9 and is connected with the mounting groove in the middle part of the horizontal shaft bearing block 4; the lower part of the horizontal shaft rotating piece 7 is in compression joint with the horizontal shaft bearing seat 4; the horizontal shaft sealing ring 8 is positioned inside the horizontal shaft rotating piece 7 and at the joint of the horizontal shaft rotating piece 7 and the horizontal shaft bearing seat 4; the lower part of the horizontal shaft synchronizing wheel 12 is arranged on the upper part of the horizontal shaft rotating piece 7; the horizontal shaft stepping motor base 17 is arranged on the L-shaped bracket component 60; a horizontal shaft stepping motor 16 is arranged on the front side of a horizontal shaft stepping motor base 17; a horizontal shaft motor synchronizing wheel 15 is arranged at the lower end of a main shaft of a horizontal shaft stepping motor 16; a horizontal shaft synchronous belt 14 is sleeved on the horizontal shaft synchronous wheel 12 and a horizontal shaft motor synchronous wheel 15; the 0 point positioning detection switch 10 is arranged inside the L-shaped bracket component 60; the horizontal baffle plate 11 is arranged on the horizontal shaft rotating piece 7 and used for triggering the 0 point positioning detection switch 10.

Wherein, the upper portion of horizontal axis rotating member 7 is connected with L type bracket component 60, horizontal axis step motor 16 is used for driving horizontal axis motor synchronizing wheel 15 to rotate, and horizontal axis hold-in range 14 drives horizontal axis synchronizing wheel 12 to rotate to make horizontal axis rotating member 7 rotate horizontally, and then drive L type bracket component 60 and pitch axle rotating component 70 and rotate horizontally.

In the embodiment, the net-mouth aviation plug 2 and the power interface aviation plug 3 are both installed inside the base 1 through screws or bonding, the net-mouth aviation plug 2 is used for transmitting video images and control commands, the power interface aviation plug 3 is used for supplying power to equipment, and the horizontal shaft bearing seat 4 is installed on the upper portion of the base 1 through screws.

In the embodiment, the inner rings of the first horizontal shaft bearing 6 and the second horizontal shaft bearing 9 are arranged inside the horizontal shaft bearing seat 4, and the outer rings of the first horizontal shaft bearing 6 and the second horizontal shaft bearing 9 are in compression connection with the horizontal shaft rotating piece 7, so that the base 1 can rotate without moving the turntable. The conductive slip ring 5 is inserted in the middle parts of the first horizontal shaft bearing 6 and the second horizontal shaft bearing 9 and connected with a mounting groove in the middle part of the horizontal shaft bearing seat 4, and the upper part of the conductive slip ring 5 is fixed on the horizontal shaft synchronizing wheel 12 through threads and used for transmitting network signals, power supplies and control signals and ensuring the communication of electrical signals.

Wherein, the conductive slip ring 5 is sleeved with a conductive slip ring outgoing line protection bearing 13.

In this embodiment, the lower part of the horizontal axis rotary member 7 is pressed into the inner ring of the horizontal axis bearing housing 4, thus forming a press-fit type connection of the two, and the horizontal axis rotary member 7 can horizontally rotate. The horizontal shaft sealing ring 8 is positioned inside the horizontal shaft rotating piece 7 and at the joint of the horizontal shaft rotating piece 7 and the horizontal shaft bearing seat 4, so that sealing and water proofing are realized. The lower part of the horizontal shaft synchronizing wheel 12 is installed on the upper part of the horizontal shaft rotating member 7 through threads, and the horizontal shaft stepping motor base 17 is installed on the lower part of the L-shaped bracket side arm 20 of the L-shaped bracket component 60 through screws and is used for installing the horizontal shaft stepping motor 16. The horizontal axis stepping motor 16 is mounted on the front side of the horizontal axis stepping motor base 17 by screws for use as a power source. The horizontal shaft motor synchronizing wheel 15 is mounted at the lower end of a main shaft of the horizontal shaft stepping motor 16 through a jackscrew and is used for rotating along with the main shaft of the horizontal shaft stepping motor 16. The horizontal shaft synchronous belt 14 is sleeved on the horizontal shaft synchronous wheel 12 and the horizontal shaft motor synchronous wheel 15, the horizontal shaft synchronous belt 14 drives the horizontal shaft motor synchronous wheel 15 to rotate, the horizontal rotation of the whole rotary table can be realized, and the base 1 is kept still. The 0 point positioning detection switch 10 is installed inside the L-shaped bracket assembly 60 through a screw, and the horizontal blocking piece 11 is installed on the horizontal shaft rotating member 7 through a screw, and is used for triggering the 0 point positioning detection switch 10. The horizontal shaft synchronizing wheel 12 rotates for one circle, the horizontal shaft blocking piece 11 triggers the 0 point positioning detection switch 10 once, the point is considered to be 0 point of 360-degree rotation, and the step counting and the step returning are carried out on the horizontal shaft stepping motor 16.

Example 8:

as shown in fig. 3, in one embodiment, the features defined in any of the above embodiments are included, and further and optionally. The pitch axis rotating assembly 70 may generally include a two-axis stepping motor drive control board 23, a handle 22, a level bulb 21, a pitch axis bearing block 28, a pitch axis rotating part 33, a pitch axis bearing 27, a pitch axis sealing ring 25, a head-up limit switch 29, a head-down limit switch 30, a pitch axis blocking piece 31, a worm wheel 32, a pitch axis structure reinforcing bracket 34, a worm bracket 41, a worm 36, a worm synchronizing wheel 35, a pitch axis stepping motor base 40, a pitch axis stepping motor 39, a pitch motor synchronizing wheel 38, a pitch axis synchronizing belt 37, a worm adjusting bracket 26 and a power switch 24.

In detail, the two-axis stepping motor driving control board 23 is installed inside the L-shaped bracket assembly 60; the handle 22 is mounted on top of the L-bracket assembly 60; the horizontal bulb 21 is bonded to the top of the L-bracket assembly 60; the pitch bearing blocks 28 are mounted inside the L-bracket assembly 60 and correspond to the through holes of the L-bracket assembly 60. The pitch axis rotating piece 33 is in pressure joint with the pitch axis bearing block 28, and the pitch axis rotating piece 33 is connected with the evidence obtaining instrument main body 200; the pitch shaft bearing 27 is sleeved on the inner diameter of the pitch shaft rotating part 33; the pitch shaft seal 25 is installed between the pitch shaft bearing 27 and the pitch shaft rotating member 33. The head-up limit switch 29 and the head-down limit switch 30 are arranged on the pitch shaft bearing block 28; the pitch axis shutter 31 is mounted on the pitch axis rotating member 33. The worm wheel 32 is mounted on the front end of the pitch axis rotator 33; the pitch axis structure reinforcing bracket 34 has an opening in the middle, the pitch axis rotating member 33 is inserted into the opening in the middle such that the worm wheel 32 is located at the front side of the pitch axis structure reinforcing bracket 34, and the pitch axis structure reinforcing bracket 34 is connected to the L-shaped bracket assembly 60 for fixing the pitch axis rotating member 33; the worm support 41 is mounted on the L-shaped support assembly 60; the worm 36 is mounted on the worm holder 41, and the worm 36 is meshed with the worm wheel 32. The worm synchronizing wheel 35 is arranged at one end of the worm 36; the pitch axis stepper motor mount 40 is mounted to the L-bracket assembly 60; the pitch axis stepper motor 39 is mounted on an axis stepper motor mount 40. The pitch motor synchronizing wheel 38 is arranged on a power output main shaft of a pitch shaft stepping motor 39; a pitch shaft synchronous belt 37 is sleeved on a pitch motor synchronous wheel 38 and a worm synchronous wheel 35; the worm adjusting bracket 26 is mounted on the L-shaped bracket assembly 60 and connected with the worm bracket 41 for adjusting the height of the worm bracket 41; the power switch 24 is mounted on the L-bracket assembly 60;

the two-axis stepping motor driving control board 23 is connected with the pitch axis stepping motor 39 and is used for driving the pitch axis stepping motor 39 to rotate, the pitch motor synchronous wheel 38 rotates along with the rotation, so that the pitch axis synchronous belt 37 rotates to drive the worm synchronous wheel 35 to rotate, the worm 36 is further driven to rotate to drive the worm wheel 32 to rotate, and the evidence obtaining instrument main body 200 performs pitch motion along with the rotation;

wherein, two axis stepper motor drive control boards 23 are connected with the horizontal axis stepper motor 16 for driving the horizontal axis stepper motor 16.

Wherein, the two-axis stepping motor driving control board 23 is connected with the control component 208 and is used for receiving signals of the control component 208.

In this embodiment, the two-axis stepping motor driving control board 23 is installed inside the L-shaped bracket assembly 60, i.e. at the front side of the L-shaped bracket side arm 20, by screw threads, and is in signal connection with the integrated control board 208-1 for controlling the pitch axis rotating assembly 70 and the horizontal axis rotating assembly 50. The handle 22 is mounted on top of the L-bracket assembly 60 by screws for carrying the remote multispectral reconnaissance and forensic device. A level vial 21 is attached to the top of the L-bracket assembly 60 to indicate whether the prover is placed level. The pitch axis bearing seat 28 is installed inside the L-shaped bracket assembly 60 and corresponds to the through hole of the L-shaped bracket assembly 60, so that the pitch axis rotating member 33 is easily connected to the housing of the forensic instrument main body 200. The pitch axis rotating member 33 is press-fitted to the pitch axis bearing housing 28, and the pitch axis rotating member 33 is screw-coupled to the housing of the forensic apparatus body 200; the pitch shaft bearing 27 is fittingly sleeved on the inner diameter of the pitch shaft rotating part 33, the outer ring of the pitch shaft bearing 27 is tightly connected with the pitch shaft bearing seat 28, the inner ring of the pitch shaft bearing 27 is tightly connected with the pitch shaft rotating part 33, and the pitch shaft rotating part 33 rotates while the pitch bearing seat 28 is fixed. The pitch shaft seal ring 2 is installed between the pitch shaft bearing 27 and the pitch shaft rotating member 33, and is placed at the root of the inner diameter of the pitch shaft rotating member 33, so that dynamic sealing is realized, and water resistance is realized.

In the embodiment, the head-up limit switch 29 and the head-down limit switch 30 are mounted on the pitch shaft bearing block 28 through screws, the pitch shaft blocking piece 31 is mounted on the pitch shaft rotating piece 33 through screws, when the pitch shaft rotating piece 33 rotates, the pitch shaft blocking piece 31 also rotates along with the rotation, the head-up limit switch 29 and the head-down limit switch 30 are triggered during the rotation, and the pitch shaft stops rotating. The worm wheel 32 is installed at the front end of the pitch axis rotator 33 by screw threads, the pitch axis structure reinforcing bracket 34 has an opening at the middle part, and the pitch axis structure reinforcing bracket 34 is connected with the L-shaped bracket side arm 20 of the L-shaped bracket assembly 60 by screws for fixing the pitch axis rotator 33. The worm support 41 is mounted on the L-shaped support side arm 20 of the L-shaped support assembly 60 through screws for supporting the worm 36, the worm 36 is mounted on the worm support 41 through screws, the worm 36 is meshed with the worm wheel 32, and the worm wheel 32 is driven to rotate along with the worm 36.

In this embodiment, the worm synchronizing wheel 35 is sleeved on one end of the worm 36 and fixed by using a jackscrew, and the pitch axis stepping motor base 40 is installed on the front side of the L-shaped bracket side arm 20 of the L-shaped bracket assembly 60 by a screw for fixing the pitch axis stepping motor 39. The pitch axis stepping motor 39 is mounted on a pitch axis stepping motor base 40 by bolts as a power source. The pitch motor synchronizing wheel 38 is sleeved on a power output main shaft of the pitch shaft stepping motor 39 and fixed by a jackscrew, and the pitch shaft synchronizing belt 37 is sleeved on the pitch motor synchronizing wheel 38 and the worm synchronizing wheel 35. When the pitch shaft stepping motor 39 is electrified to rotate, the pitch motor synchronous wheel 38 rotates, the pitch shaft synchronous belt 37 drives the worm 36 to rotate, the worm 36 and the worm wheel 32 belong to a worm wheel 32 and worm 36 transmission mechanism, large transmission force is guaranteed, power failure self-locking can be realized, the worm 36 drives the worm wheel 32 to rotate, the worm wheel 32 is fixedly arranged on the pitch shaft rotating part 33, the pitch shaft rotating part 33 can also rotate along with the worm wheel, and therefore rotation of the pitch shaft is achieved. The worm adjustment bracket 26 is mounted to the front side of the L-shaped bracket side arm 20 of the L-shaped bracket assembly 60 by screws, and the power switch 24 is mounted to the L-shaped bracket assembly 60 by screws. When the pitch axis rotating member 33 rotates clockwise, the pitch axis blocking piece 31 triggers the head-down limit switch 30, and the pitch axis stops rotating automatically, and when the pitch axis rotating member 33 rotates counterclockwise, the pitch axis blocking piece 31 triggers the head-up limit switch 29, and the pitch axis stops rotating automatically.

The pitch shaft synchronous belt 37 has extremely high rotation speed and extremely low force loss in transmission.

It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.

In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

The above description is only for the preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A remote multispectral investigation and evidence-obtaining instrument, comprising:

the device comprises a forensics instrument main body (200) and a two-dimensional rotating platform (100), wherein the forensics instrument main body (200) comprises;

the device comprises a shell, a first window, a second window and a third window, wherein the first window, the second window and the third window are all provided with transparent protective glass sheets;

a control assembly (208) mounted inside the housing;

a 316mm zoom lens visible light camera (203) arranged inside the shell, wherein the lens of the 316mm zoom lens visible light camera (203) is positioned at the first window and is connected with the control component (208) and used for sending a real-time video stream to the control component (208);

a 35mm zoom lens thermal imaging camera (204) disposed inside the housing, a lens of the 35mm zoom lens thermal imaging camera (204) being located at the second window and connected to the control component (208), for sending a real-time video stream to the control component (208);

the laser lamp (205) is arranged inside the shell, and a lamp cap of the laser lamp (205) is located at the third window, is connected with the control component (208) and is used for controlling the laser lamp (205) to supplement light in a night all-black mode;

and the data acquisition assembly (201) is arranged in the shell and used for receiving distance data and position information of the measured object.

2. The remote multispectral reconnaissance forensic instrument according to claim 1, wherein:

the control assembly (208) comprises;

the video recording main board (208-3) is connected with the data acquisition component (201) and is used for receiving the distance data of the measured object and the position information;

and the comprehensive control board (208-1) is respectively connected with the data acquisition assembly (201) and the video recording main board (208-3) and is used for controlling the connection of the data acquisition assembly (201) and the video recording main board (208-3).

3. The remote multispectral reconnaissance forensic instrument according to claim 2, wherein:

the video main board (208-3) is connected with a network switch (208-2), and the network switch (208-2) is connected with a second aviation plug (208-4).

4. The remote multispectral reconnaissance forensics instrument of claim 1, wherein:

the data acquisition assembly (201) comprises;

a GPS data acquisition board (201-1) connected with the control component (208);

the GPS antenna A (201-2) and the GPS antenna B (201-3) are connected with the GPS data acquisition board (201-1) and are used for receiving satellite signals to form the position information;

the laser range finder (201-4) is connected with the GPS data acquisition board (201-1) and used for obtaining the distance data of the measured object, and the head of the laser range finder (201-4) is positioned at the fourth window of the shell.

5. The remote multispectral reconnaissance forensic instrument according to claim 1 or 2, wherein:

the wireless receiving module (207) and the 4G module WIFI module (210) are further included;

wherein, the wireless receiving module (207) is arranged inside the shell and is connected with the control component (208) and the remote controller;

the 4G module WIFI module (210) is connected with the control component (208), the 4G antenna (212) and the WIFI antenna (211).

6. The remote multispectral reconnaissance forensic instrument according to claim 5, wherein:

the system also comprises a built-in battery (202) and a solid state disk (209);

the built-in battery (202) is arranged inside the shell, the built-in battery (202) is connected with the control component (208), the data acquisition component (201) and the 4G module WIFI module (210) through a power switch, and the built-in battery (202) is further connected with a first aviation plug (214);

the solid state disk (209) is arranged in the shell and connected with the control component (208).

7. The remote multispectral reconnaissance forensic instrument according to claim 1, wherein:

the two-dimensional rotating platform (100) comprises;

a horizontal shaft rotating assembly (50) vertically disposed;

the lower part of the L-shaped bracket assembly (60) is connected with the upper part of the horizontal shaft rotating assembly (50) and is used for driving the horizontal shaft rotating assembly (50) and the L-shaped bracket assembly (60) to rotate horizontally;

the pitching axis rotating assembly (70) is connected with the front side of the L-shaped bracket assembly (60), and the pitching axis rotating assembly (70) is connected with the evidence obtaining instrument main body (200) and used for driving the evidence obtaining instrument main body (200) to pitch.

8. The remote multispectral reconnaissance forensic instrument according to claim 7, wherein:

the L-shaped bracket assembly (60) comprises;

an L-shaped bracket side arm (20);

an L-shaped bracket base (18) which is arranged at the lower part of the L-shaped bracket side arm (20);

an L-shaped bracket cover plate (19) which is arranged on the upper part of the L-shaped bracket base (18);

and a side cover plate (42) mounted on the front side of the L-shaped bracket side arm (20).

9. The remote multispectral reconnaissance forensic instrument according to claim 7, wherein:

the horizontal shaft rotating assembly (50) comprises;

a base (1);

the net mouth aviation plug (2) and the power supply interface aviation plug (3) are both arranged inside the base (1);

the horizontal shaft bearing block (4) is arranged on the upper part of the base (1);

the first horizontal shaft bearing (6) and the second horizontal shaft bearing (9) are both arranged in the horizontal shaft bearing block (4);

the conductive slip ring (5) is inserted into the middle parts of the first horizontal shaft bearing (6) and the second horizontal shaft bearing (9) and is connected with the mounting groove in the middle part of the horizontal shaft bearing block (4);

a horizontal shaft rotating piece (7), the lower part of which is pressed with the horizontal shaft bearing seat (4);

the horizontal shaft sealing ring (8) is positioned inside the horizontal shaft rotating piece (7) and is positioned at the joint of the horizontal shaft rotating piece (7) and the horizontal shaft bearing seat (4);

a horizontal shaft synchronizing wheel (12) whose lower part is mounted on the upper part of the horizontal shaft rotating member (7);

a horizontal shaft stepping motor base (17) mounted on the L-shaped bracket assembly (60);

the horizontal shaft stepping motor (16) is arranged on the front side of the horizontal shaft stepping motor base (17);

the horizontal shaft motor synchronizing wheel (15) is arranged at the lower end of a main shaft of the horizontal shaft stepping motor (16);

the horizontal shaft synchronous belt (14) is sleeved on the horizontal shaft synchronous wheel (12) and the horizontal shaft motor synchronous wheel (15);

a 0 point positioning detection switch (10) which is arranged inside the L-shaped bracket component (60);

the horizontal blocking piece (11) is arranged on the horizontal shaft rotating piece (7) and is used for triggering the 0-point positioning detection switch (10);

the upper portion of the horizontal shaft rotating piece (7) is connected with the L-shaped support assembly (60), the horizontal shaft stepping motor (16) is used for driving a horizontal shaft motor synchronizing wheel (15) to rotate, and the horizontal shaft synchronous belt (14) drives the horizontal shaft synchronizing wheel (12) to rotate, so that the horizontal shaft rotating piece (7) horizontally rotates, and the L-shaped support assembly (60) and the pitching shaft rotating assembly (70) are further driven to horizontally rotate.

10. The remote multispectral reconnaissance forensics instrument of claim 7, wherein:

the pitch axis rotation assembly (70) comprises;

the two-axis stepping motor drive control board (23) is arranged in the L-shaped bracket component (60);

a handle (22) mounted on the top of the L-shaped bracket assembly (60);

a horizontal bubble (21) bonded to the top of the L-shaped bracket assembly (60);

the pitch shaft bearing seat (28) is arranged in the L-shaped bracket component (60) and corresponds to the through hole of the L-shaped bracket component (60);

a pitch axis rotating member (33) which is in pressure contact with the pitch axis bearing block (28), wherein the pitch axis rotating member (33) is connected with the forensic instrument main body (200);

the pitch shaft bearing (27) is sleeved on the inner diameter of the pitch shaft rotating part (33);

a pitch shaft seal (25) mounted between the pitch shaft bearing (27) and the pitch shaft rotating member (33);

the head-up limit switch (29) and the head-down limit switch (30) are arranged on the pitch shaft bearing block (28);

a pitch axis stopper (31) attached to the pitch axis rotating member (33);

a worm wheel (32) attached to the tip of the pitch shaft rotating member (33);

a pitch-axis structure reinforcing bracket (34) having an opening in the middle thereof, the pitch-axis rotating member (33) being inserted into the opening so that the worm wheel (32) is located on the front side of the pitch-axis structure reinforcing bracket (34), the pitch-axis structure reinforcing bracket (34) being connected to the L-shaped bracket assembly (60) for fixing the pitch-axis rotating member (33);

a worm support (41) mounted to the L-shaped support assembly (60);

a worm (36) mounted to the worm bracket (41), the worm (36) meshing with the worm wheel (32);

a worm synchronizing wheel (35) mounted on one end of the worm (36);

a pitch axis stepper motor mount (40) mounted to the L-bracket assembly (60);

a pitch axis stepping motor (39) mounted on the pitch axis stepping motor base (40);

the pitching motor synchronous wheel (38) is arranged on a power output main shaft of the pitching shaft stepping motor (39);

the pitch shaft synchronous belt (37) is sleeved on the pitch motor synchronous wheel (38) and the worm synchronous wheel (35);

the worm adjusting frame (26) is arranged on the L-shaped bracket component (60), is connected with the worm bracket (41) and is used for adjusting the height of the worm bracket (41);

a power switch (24) mounted to the L-bracket assembly (60);

the two-axis stepping motor drive control board (23) is connected with the pitch axis stepping motor (39) and used for driving the pitch axis stepping motor (39) to rotate, the pitch motor synchronous wheel (38) rotates along with the rotation, so that the pitch axis synchronous belt (37) rotates to drive the worm synchronous wheel (35) to rotate, the worm (36) is further driven to rotate to drive the worm wheel (32) to rotate, and the evidence obtaining instrument main body (200) performs pitch motion along with the rotation;

the two-axis stepping motor driving control board (23) is connected with the horizontal axis stepping motor (16) and is used for driving the horizontal axis stepping motor (16);

wherein, the two-axis stepping motor drive control board (23) is connected with the control component (208) and is used for receiving signals of the control component (208).

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