CN218412902U

CN218412902U - Dynamic ranging and positioning equipment based on optical fiber inertial navigation and three-dimensional laser radar

Info

Publication number: CN218412902U
Application number: CN202222177814.5U
Authority: CN
Inventors: 宋瑞佳
Original assignee: Hebei Zhongjun Intelligent Technology Co ltd
Current assignee: Hebei Zhongjun Intelligent Technology Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-01-31
Anticipated expiration: 2032-08-18

Abstract

The utility model provides a be used to lead and three-dimensional laser radar developments range finding positioning device based on optic fibre relates to radar range finding location technical field, including fixed bolster and radar range unit, the top of fixed bolster and radar range unit's bottom movable mounting, the fixed bolster includes base, bracing piece, movable rod, telescopic link and dead lever. The utility model discloses a set up the fixed bolster, conveniently adjust radar range unit's height, through setting up radar range unit, the gradual change film board is the annular, gradual change film board round is 360, and the gradual change film board is equallyd divide for ten fan-shapes, every fan-shaped decay rate is from the decay rate of 0-100% difference, the diffuse scattering film board is used for enlarging the divergence angle, can reflect emergent light to all sides, when target object gets into the optics blind area, adjust gradual change film board and diffuse scattering film board through the motor and be in on the transmission light path, emergent light gets into diffuse scattering film board back all sides reflection, make the transmission visual field enlarge by a wide margin, reduce or eliminate the optics blind area.

Description

Dynamic ranging and positioning equipment based on optical fiber inertial navigation and three-dimensional laser radar

Technical Field

The utility model relates to a radar range finding location technical field especially relates to be used to lead and three-dimensional laser radar developments range finding positioning device based on optic fibre.

Background

Laser radar dynamic ranging positioning equipment is often used for detecting targets at different distances in a wide area, and radar dynamic ranging positioning mainly measures two pieces of information of the targets: the distance and the angle need to receive echo signals of a long distance and a short distance at the same time, the distance from a target to a radar can be obtained by measuring the time difference between a transmitted signal and the echo signal reflected by the target, dividing the time difference by 2 and multiplying the time difference by the speed of light, and a receiver needs a high dynamic range, namely, the ratio between the farthest distance and the nearest distance is large.

In the prior art, for example, chinese patent numbers are: CN 212963213U's "horizontal positioning device is used in laser rangefinder measurement", including the backup pad, the three supporting leg of lower extreme fixedly connected with of backup pad, it is three the equal fixedly connected with locking universal wheel in bottom of supporting leg, the upper end fixedly connected with loop bar of backup pad, the bracing piece has been cup jointed to the inside of loop bar, the upper end right side fixedly connected with supporting shoe of loop bar, the horizontal fixedly connected with limit sleeve in upper end of supporting shoe, limit sleeve's inside is provided with spacing spring, the left side fixedly connected with spacer pin of spacing spring. The utility model discloses whole device simple structure, convenient operation, it is effectual to fix a position, can adjust the height according to the demand, and convenient to detach, has improved the result of use greatly, is worth using widely.

However, in the prior art, when the dynamic range of the dynamic range-finding positioning device is small, the problem that a radar which measures far cannot measure near, or a radar which measures near cannot measure far, generally occurs, while the dynamic range of the laser radar is limited by far and near signal detection, in the near signal detection, a system optical blind area exists, and the radar system can cause a receiving device to be over-exposed due to too strong signal light more easily, so that the near distance cannot be measured, and the range of the near over-exposure blind area is enlarged, and meanwhile, the height of the existing dynamic range-finding positioning device is not easy to adjust.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving and having the range finding dynamic range when dynamic range finding positioning device among the prior art little, can appear surveying very far radar general can not survey very near, perhaps survey very near radar very difficult very far problem of surveying usually, and laser radar range finding dynamic range is subject to far, closely signal detection, in closely signal detection, there is system optics blind area, this radar system can make receiving device overexposure because of signal light is too strong more easily, unable measurement near distance, therefore make the problem of closely overexposure blind area scope grow, and the navigation is based on optic fibre and three-dimensional laser radar dynamic range finding positioning device.

In order to achieve the above purpose, the utility model adopts the following technical scheme: based on optic fibre is used to lead and three-dimensional laser radar developments range finding positioning device, including fixed bolster and radar range unit, the top of fixed bolster and radar range unit's bottom movable mounting, the fixed bolster includes base, bracing piece, movable rod, telescopic link and dead lever, the outside of base evenly rotates and is connected with four turning blocks, the outside of turning block and the one end fixed mounting of dead lever, the other end of dead lever and the one end swing joint of telescopic link, radar range unit is including installation piece, loading board, gradual change sheet board, motor, dwang and power supply unit, the bottom of loading board rotates with the top of installation piece to be connected, two branches of the symmetrical fixedly connected with of top one end of loading board, the top of branch and the bottom swing joint of gradual change sheet board, the top of gradual change sheet board is provided with the diffusion sheet board, the bottom of dwang and the top fixed mounting of gradual change sheet board, the top of dwang and the bottom movable mounting of motor.

Preferably, a first sliding groove is formed in one end of the top of the bearing plate, and a second sliding groove is formed in the other end of the top of the bearing plate.

Preferably, the inner wall of the first sliding groove is connected with a receiving assembly in a sliding mode, and the inner wall of the second sliding groove is installed at the bottom of the power supply assembly in a sliding mode.

Preferably, one end of the top of the power supply assembly is provided with a rotating assembly, and the other end of the top of the power supply assembly is provided with a ranging and transmitting assembly.

Preferably, the bottom of the base is fixedly installed with the top of the supporting rod, the top of the movable rod is movably connected with the bottom of the supporting rod, and the bottom of the movable rod is fixedly connected with the bottom plate.

Preferably, the bottom of the telescopic rod is provided with a sucker, and the top of the base is fixedly installed with the bottom of the installation block.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, through setting up the fixed bolster, rotate four dead levers to the outside through the turning block, lengthen determinacy length downwards with the telescopic link again, reuse the sucking disc with the device fix on ground can, conveniently adjust radar range unit's height.

2. The utility model discloses in, through setting up radar range unit, the gradual change film board is the annular, the round of gradual change film board is 360, and the gradual change film board is equallyd divide for ten fan-shapes, every sectorial decay rate is from 0-100% different decay rate, diffuse scattering film board is used for enlarging the divergence angle, can be with emergent light to the reflection of all sides, when target object gets into the optics blind area, adjust gradual change film board and diffuse scattering film board through the motor and be in on the transmission light path, emergent light gets into diffuse scattering film board back to the reflection of all sides, make the transmission field of view enlarge by a wide margin, reduce or eliminate the optics blind area.

Drawings

FIG. 1 is a schematic view of the three-dimensional structure of the dynamic range finding positioning device based on the fiber inertial navigation and three-dimensional laser radar of the present invention;

FIG. 2 is a schematic view of the overlooking structure of the dynamic range finding positioning device based on the fiber inertial navigation and the three-dimensional laser radar;

FIG. 3 is a schematic structural diagram of the radar ranging device according to the present invention, which is based on the fiber inertial navigation and the three-dimensional laser radar dynamic ranging positioning device;

fig. 4 is the utility model provides a based on the detail enlargements of a department in fig. 3 of optic fibre inertial navigation and three-dimensional laser radar dynamic ranging positioning device.

Illustration of the drawings: 1. fixing a bracket; 2. a radar ranging device; 11. a suction cup; 12. a telescopic rod; 13. fixing the rod; 14. a movable rod; 15. a support bar; 16. a base plate; 17. rotating the block; 18. a base; 21. mounting blocks; 22. carrying a plate; 23. a receiving component; 24. a first sliding chute; 25. a gradation sheet plate; 26. rotating the rod; 27. a motor; 28. a diffuse scattering sheet plate; 29. a strut; 30. a power supply assembly; 31. a rotating assembly; 32. a ranging transmission assembly; 33. and a second sliding groove.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1-4, the utility model provides a based on optic fibre is used to lead and three-dimensional laser radar developments range finding positioning device, including fixed bolster 1 and radar range unit 2, the top of fixed bolster 1 and radar range unit 2's bottom movable mounting.

The specific arrangement and function of the fixing support 1 and the radar ranging device 2 will be described in detail below.

As shown in fig. 1 and fig. 2, fixed bolster 1 includes base 18, bracing piece 15, movable rod 14, telescopic link 12 and dead lever 13, the outside of base 18 is evenly rotated and is connected with four turning blocks 17, the outside of turning block 17 and the one end fixed mounting of dead lever 13, the other end of dead lever 13 and the one end swing joint of telescopic link 12, the top one end of power supply unit 30 is provided with rotating assembly 31, the top other end of power supply unit 30 is provided with range finding transmission assembly 32, the bottom of telescopic link 12 is provided with sucking disc 11, the top of base 18 and the bottom fixed mounting of installation piece 21.

The effect that its whole fixed bolster 1 reached does, before needs range finding location to the target object, need adjust the height of fixed bolster 1 according to the roughly scope of object, rotate four dead levers 13 to the outside through turning block 17, lengthen determinand length downwards with bottom telescopic link 12 again, confirm the high back of base 18 and radar range unit 2, it is fixed with telescopic link 12 and dead lever 13, reuse sucking disc 11 with the device fix on ground can, this fixed bolster 1 conveniently adjusts radar range unit 2's height.

As shown in fig. 1-4, the radar ranging device 2 includes an installation block 21, a bearing plate 22, a gradual change sheet plate 25, a motor 27, a rotating rod 26 and a power supply assembly 30, the bottom of the bearing plate 22 is rotatably connected with the top of the installation block 21, two support rods 29 are symmetrically and fixedly connected with one end of the top of the bearing plate 22, the tops of the support rods 29 are movably connected with the bottom of the gradual change sheet plate 25, a diffuse sheet plate 28 is arranged at the top of the gradual change sheet plate 25, the bottom of the rotating rod 26 is fixedly mounted with the top of the gradual change sheet plate 25, the top of the rotating rod 26 is movably mounted with the bottom of the motor 27, a first sliding groove 24 is formed at one end of the top of the bearing plate 22, a second sliding groove 33 is formed at the other end of the top of the bearing plate 22, a receiving assembly 23 is slidably connected with the inner wall of the first sliding groove 24, the inner wall of the second sliding groove 33 is slidably mounted with the bottom of the power supply assembly 30, a rotating assembly 31 is arranged at one end of the top of the power supply assembly 30, and a ranging emission assembly 32 is arranged at the other end of the top of the power assembly 30.

The whole radar ranging device 2 has the effects that the ranging and transmitting assembly 32 can dynamically range and position a target object by using optical fiber inertial navigation and three-dimensional laser radar technologies, the ranging and transmitting assembly 32 can slide in the second sliding groove 33, the receiving assembly 23 can slide in the first sliding groove 24, the distance between the ranging and transmitting assembly 32 and the receiving assembly 23 can be conveniently adjusted, a signal sent by the ranging and transmitting assembly 32 finally returns to the receiving assembly 23 and is received by the receiving assembly 23, the direction can be adjusted by the bearing plate 22, the rotating assembly 30 can drive the ranging and transmitting assembly 32 to rotate, dynamic ranging and positioning of the target object are facilitated, the gradient plate 25 is added to the top, the gradient plate 25 is annular, one circle of the gradient plate 25 is 360 degrees, the gradient plate 25 is divided into ten sectors, the angle of each sector is 36 degrees, the attenuation rate of each sector is different attenuation rate from 0-100 percent, the gradient plate is changed from small to large, the diffuse plate scattering plate 28 is arranged at the top of the gradient plate 25, the diffuse plate 28 is used for expanding the divergence angle, the four-sided reflection light can be reflected by the eight sides, when the light enters the eight-sided reflection area, the eight-sided reflection blind area, the diffuse plate can be eliminated, and the diffuse plate can be emitted light can enter the eight-sided reflection blind area, and the diffuse plate can be greatly reduced, and the diffuse light can enter the diffuse plate, and the diffuse plate reflection zone, and the diffuse plate can be greatly reduced, and the diffuse plate can be emitted light can be emitted to enter the diffuse plate, and the diffuse plate can be greatly reduced.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. Based on optic fibre is used to lead and three-dimensional laser radar developments range finding positioning device, including fixed bolster (1) and radar range unit (2), the bottom movable mounting of the top of fixed bolster (1) and radar range unit (2), its characterized in that: fixed bolster (1) includes base (18), bracing piece (15), movable rod (14), telescopic link (12) and dead lever (13), the outside of base (18) is evenly rotated and is connected with four turning blocks (17), the outside of turning block (17) and the one end fixed mounting of dead lever (13), the other end of dead lever (13) and the one end swing joint of telescopic link (12), radar range unit (2) are including installation piece (21), loading board (22), gradual change sheet board (25), motor (27), dwang (26) and power supply unit (30), the bottom of loading board (22) is rotated with the top of installation piece (21) and is connected, the top one end symmetry fixed connection of loading board (22) has two branch (29), the top of branch (29) and the bottom swing joint of gradual change sheet board (25), the top of gradual change sheet board (25) is provided with diffuse sheet board (28), the bottom and the top fixed mounting of gradual change sheet board (25) of loading board (26), the top and the bottom movable mounting of dwang (27).

2. The dynamic ranging and positioning device based on fiber optic inertial navigation and three-dimensional lidar according to claim 1, wherein: one end of the top of the bearing plate (22) is provided with a first sliding groove (24), and the other end of the top of the bearing plate (22) is provided with a second sliding groove (33).

3. The dynamic range finding and positioning device based on fiber optic inertial navigation and three-dimensional laser radar according to claim 2, characterized in that: the inner wall of the first sliding groove (24) is connected with a receiving assembly (23) in a sliding mode, and the inner wall of the second sliding groove (33) is installed at the bottom of the power supply assembly (30) in a sliding mode.

4. The dynamic range finding and positioning device based on fiber optic inertial navigation and three-dimensional laser radar according to claim 1, characterized in that: the top one end of power supply unit (30) is provided with rotating assembly (31), the top other end of power supply unit (30) is provided with range finding emission subassembly (32).

5. The dynamic range finding and positioning device based on fiber optic inertial navigation and three-dimensional laser radar according to claim 1, characterized in that: the bottom of base (18) and the top fixed mounting of bracing piece (15), the top of movable rod (14) and the bottom swing joint of bracing piece (15), and the bottom fixedly connected with bottom plate (16) of movable rod (14).

6. The dynamic range finding and positioning device based on fiber optic inertial navigation and three-dimensional laser radar according to claim 1, characterized in that: the bottom of the telescopic rod (12) is provided with a sucker (11), and the top of the base (18) is fixedly installed with the bottom of the installation block (21).