CN215596869U

CN215596869U - Laser pointing adjusting device

Info

Publication number: CN215596869U
Application number: CN202122397093.4U
Authority: CN
Inventors: 俞本立; 房烁; 张夏祥; 吴超; 王伟
Original assignee: Anhui Zhibo Optoelectronic Technology Co ltd
Current assignee: Anhui Zhibo Optoelectronic Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-01-21
Anticipated expiration: 2031-09-30

Abstract

The invention discloses a laser pointing adjusting device, and belongs to the technical field of precision optical measurement. The laser system comprises a reflector set, a mounting bracket, a laser and a laser bracket, wherein the reflector set comprises a reflector, a motor, an encoder and a motor mounting bracket. The invention can control the adjusting precision to be 0.01 degree by using a 0.9 degree stepping motor and an encoder negative feedback control system; the reflector can meet the requirements of adjustment of two dimensions of pitching and horizontal by adopting a gear transmission structure; the whole reflector group is designed and installed in the spherical cover, so that the size is extremely small, the hiding is convenient, and the use is convenient; the combination of the reflector group and the bracket achieves the adjustment of multi-dimensional angle and height; meanwhile, based on a miniaturization design principle, the technical effects of shooting and miniaturization are achieved by selecting an adjusting mechanism of a reflector with a relatively small design size and utilizing light path reflection.

Description

Laser pointing adjusting device

Technical Field

The invention relates to the technical field of precise optical measurement, in particular to a laser pointing adjusting device.

Background

Most of the infrared camera angle adjustment is realized by using a cloud deck for adjustment, but the adjustment of the cloud deck needs to be provided with a camera, and the miniaturization is difficult to realize due to the limited conditions of installation size, bearing weight and the like. The existing electric pan-tilt adopts transmission schemes such as worm and gear, gear and the like, and is driven by a motor, and one set of transmission mechanism and motor are independently used for pitching and horizontal adjustment dimensions. However, the structure size is very large, which is several times or even tens of times of the size of the camera, the camera cannot be placed in a very small space, the adjustment precision cannot meet the requirement, and the precision of the high-precision holder is generally about 0.05-0.1.

The current infrared camera pointing adjusting device mainly comprises two modes of adjusting a camera holder and a reflector, and camera holder products on the market have the problems of large volume, low precision, few adjusting dimensions, lack of negative feedback and the like, are used in a tiny space and cannot achieve the adjusting precision of 0.01 degrees; the mirror adjusting device on the market also has the problem of cloud platform product.

Disclosure of Invention

Aiming at the problems, the laser pointing adjusting device is provided, and the adjusting precision can be controlled to be 0.01 degrees by using a 0.9-degree stepping motor and an encoder negative feedback control system; the reflector can meet the requirements of adjustment of two dimensions of pitching and horizontal by adopting a gear transmission structure; the whole reflector group is designed and installed in the spherical cover, so that the size is extremely small, the hiding is convenient, and the use is convenient; the combination of the reflector group and the bracket achieves the adjustment of multi-dimensional angle and height; meanwhile, based on a miniaturization design principle, the technical effects of shooting and miniaturization are achieved by selecting an adjusting mechanism of a reflector with a relatively small design size and utilizing light path reflection.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows.

The utility model provides a directional adjusting device of laser, includes speculum group, installing support, laser instrument and laser instrument support, speculum group includes speculum, motor, encoder and motor installing support, the speculum passes through motor drive encoder and speculum and rotates along level and every single move direction to handle encoder output feedback signal through closed-loop control system and optimize the regulation precision of level and every single move direction.

Preferably, a ball cover is arranged outside the reflector group; the mounting bracket and the reflector group are simultaneously mounted and fixed on the mounting plate.

Preferably, the reflector group is connected with the mounting bracket through a support arm.

Preferably, the lower part of the reflector is fixed through a reflector bracket, the lower part of the reflector is sequentially provided with a bracket gear, a mounting bottom plate and a bearing cover, and the upper part of the mounting bottom plate is provided with a positioning pin.

Preferably, a left support plate and a mirror gear 2 are arranged on the left side of the mirror support.

Preferably, a right support plate and a reflector gear 1 are arranged on the right side of the reflector bracket.

Preferably, the motors include a horizontal motor and a pitch motor.

Preferably, the encoder comprises a horizontal encoder and a pitch encoder.

Preferably, the reflector gear 1 is connected with a pitching motor through a pitching motor gear; the reflector gear 2 is connected with a pitch encoder through a pitch encoder gear.

Preferably, the bracket gear is connected with the horizontal encoder sequentially through the encoder extension shaft and the horizontal encoder gear.

Preferably, the bracket gear is connected with the horizontal motor through an encoder extension shaft.

Preferably, the mounting bracket is sequentially provided with a mounting ring, a laser mounting plate and a locking handle from bottom to top.

Preferably, symmetrical mounting seats are arranged in the mounting ring in an inner measuring mode and used for fixing the supporting arm so as to fix the reflector group.

Preferably, corresponding positioning holes are symmetrically formed in two sides of the supporting arm; and symmetrical positioning holes are formed in the upper part of the mounting ring.

Due to the adoption of the technical scheme, the invention has the following beneficial effects.

1. According to the invention, through a miniaturized compact design, the reflector is integrally arranged in a 120mm spherical cover, and the technical effect of small-volume and large-angle monitoring is achieved through the reflection of the light path of the reflector.

2. The invention can control the adjusting precision to be 0.01 degree by using the 0.9 degree stepping motor and the encoder negative feedback control system.

3. The invention adopts a gear transmission structure to ensure that the reflector can meet the adjustment of two dimensions of pitching and horizontal.

Drawings

The making and using of the presently preferred embodiments are discussed in detail below. It should be appreciated that the present invention provides many applicable inventive concepts that can be embodied in a wide variety of specific contexts. The specific embodiments discussed are merely illustrative of specific ways to make and use the invention, and do not limit the scope of the invention, from which other drawings may be derived by those of ordinary skill in the art without inventive faculty.

Fig. 1 is a schematic view of the entire structure of the present apparatus.

FIG. 2 is a schematic view of the entire structure of the reflector assembly of the present device.

FIG. 3 is a detailed structural diagram of the reflector assembly of the present device.

Fig. 4 is a schematic structural diagram of the mounting bracket of the device.

In the attached drawing, a reflector group 1, a spherical cover 2, a mounting bracket 3, a laser 4, a mounting plate 5, a reflector 6, a reflector bracket 7, a left support plate 8, a right support plate 9, a positioning pin hole 10, a mounting base plate 11, a bearing box 12, a positioning pin 13, a supporting arm 14, a pitching motor 15, a pitching motor gear 16, a first reflector gear 17, a pitching encoder 18, a pitching encoder gear 19, a second reflector gear 20, a horizontal motor 21, a horizontal encoder 22, a horizontal encoder gear 23, a support gear 24, a gear mounting sleeve 25, an encoder extension shaft 26, a horizontal motor mounting bracket 27, a horizontal motor mounting bracket 5, a reflector 6, a reflector support 7, a left support plate 8, a right support plate 9, a positioning pin hole 10, a horizontal encoder gear 23, a support gear 24, a gear mounting sleeve 25, a horizontal encoder extension shaft 26, a horizontal motor mounting bracket 27, a laser beam, a, 28-encoder mounting frame, 29-mounting ring, 30-mounting seat, 31-laser support and 32-locking handle.

Detailed Description

The making and using of the presently preferred embodiments are discussed in detail below. It should be appreciated that the present invention provides many applicable inventive concepts that can be embodied in a wide variety of specific contexts. The specific embodiments discussed are merely illustrative of specific ways to make and use the invention, and do not delimit the scope of the invention.

The laser pointing adjusting device shown in fig. 1 comprises a reflector group 1, a mounting bracket 3, a laser 4 and a laser bracket 31, wherein the reflector group 1 comprises a reflector 6, a motor, an encoder and a motor mounting bracket, the reflector 6 drives the encoder and the reflector to rotate along the horizontal and pitching directions through the motor, and a closed-loop control system processes a feedback signal output by the encoder to optimize the adjusting precision of the horizontal and pitching directions.

The mounting bracket 3 and the reflector group 1 are respectively mounted on two sides of the mounting plate 5, a ball cover 2 is arranged on the outer side of the reflector group 1, and the ball cover 2 is made of transparent glass or plastic with the diameter of 120 mm.

As shown in fig. 4, the laser 4 is connected to the mounting bracket 3 through a laser bracket 31 and a locking handle 32, the laser bracket 31 is of a U-shaped structure, two rows of symmetrical fastening holes are formed in U-shaped side walls on two sides for the fastening handle 32 to penetrate through, and the upper and lower rows of fastening holes can be adjusted up and down according to actual mounting requirements, so as to achieve the best fixing distance and effect of the laser 4.

The mounting bracket 3 is respectively provided with a mounting ring 29, a symmetrical mounting seat 30 arranged on the inner side, a laser bracket 31 and a fastening handle 32 from top to bottom, and the mounting seat 30 is positioned on two sides of the symmetrical edge of the inner side of the mounting ring 29 and is used for connecting and fixing the whole reflector group 1 through a supporting arm 14; a row of positioning holes are symmetrically formed in the two sides of the mounting ring 29 and used for dynamic connection and adjustment of the whole laser support 31 in the horizontal direction, and good mounting angle and mounting distance are guaranteed.

The laser support 31 is connected with the mounting support 3 through the locking handle 32, the mounting support 3 and a hole of a part connected with the locking handle 32 are in a circular ring shape, and the mounting angle of the laser 4 can be adjusted by adjusting the locking handle; the adjustment of the upper and lower positions and the distance of the laser 4 is realized through the fastening holes at the upper and lower ends of the mounting bracket 3.

As shown in fig. 2, the mirror group 1 includes a mirror 6, a mirror support 7, a support arm 14, a left support plate 8, a right support plate 9, a positioning pin hole 10, a bearing cap 12 and a support gear 24. The supporting arm 14 is of a U-shaped design, two rows of positioning holes are symmetrically formed in two sides of the supporting arm and are connected to the mounting base through the positioning holes, and the mounting base 30 adjusts the distance and the displacement between the whole reflector set 1 and the laser 4 in the vertical direction through the positioning holes in different positions.

The reflecting mirror 6 is mounted on the reflecting mirror support 7, and support plates on the left and right sides are provided and are respectively connected with the first reflecting mirror gear 17 and the second reflecting mirror gear 20, and the support gear 24 is connected with the horizontal motor 21 through the horizontal motor 21, as shown in fig. 3. The internal gear of the gear mounting sleeve 25 is connected with the encoder extension shaft 26 and is connected with the horizontal encoder 22 through the horizontal encoder gear 23; the horizontal motor 21 is mounted on a horizontal motor 21 mounting bracket.

The first reflector gear 17 is connected with the pitching motor 15 through the pitching motor gear 16, the pitching encoder gear 16 is driven to rotate in the pitching direction through the driving of the pitching motor 15, the second reflector gear 20 rotates to drive the pitching encoder 18 provided with the pitching encoder gear 19 to rotate, the pitching encoder 18 outputs a feedback signal, and the feedback signal is processed through the closed-loop control system so as to optimize the adjustment accuracy, and the adjustment accuracy can reach 0.01 degrees.

The speculum support 7 through install the support gear 24 in the bottom, with the gear cooperation of mounting plate 11 upper end, horizontal motor 21 is installed on horizontal motor mounting bracket 27 to the drive lower side gear drives support gear 24 and rotates along the horizontal direction, gear installation cover 25 inside gear passes through encoder extension shaft 26 and links to each other with horizontal encoder 22, and drives horizontal encoder 22's rotation, finally makes horizontal encoder 22 output feedback signal, thereby handles feedback signal through closed-loop control system and optimizes the regulation precision, reaches the meticulous regulation on the horizontal direction of whole speculum group 1.

The horizontal initial position of the reflector 6 is right ahead, the pitching initial angle is 45 degrees, and the adjusting range is +/-10 degrees. The whole reflector group 1 is arranged on the mounting bracket 3 through the supporting arm 14, the positioning hole of the mounting bracket 3 is a waist hole, and the mounting direction is adjustable; the laser 4 is arranged above the laser bracket 31, and the height and the angle of the laser 4 can be adjusted.

Although the specification has been described in detail, it should be understood that various changes, substitutions and alterations can be made hereto without departing from the spirit and scope of the invention as defined by the appended claims. Moreover, the described embodiments are not intended to limit the scope of the invention, which is defined by the claims appended hereto, as one of ordinary skill in the art will readily appreciate from the disclosure that processes, machines, manufacture, compositions of matter, means, methods, or steps, presently existing or later to be developed that perform substantially the same function or achieve substantially the same result as the corresponding embodiments described herein. Accordingly, the appended claims are intended to include within their scope such processes, machines, manufacture, compositions of matter, means, methods, or steps.

Claims

1. A laser pointing adjusting device is characterized in that: including speculum group, installing support, laser instrument and laser instrument support, speculum group includes speculum, motor, encoder and motor installing support, the speculum passes through motor drive encoder and speculum and rotates along level and every single move direction to handle encoder output feedback signal through closed-loop control system and optimize the regulation precision of level and every single move direction.

2. A laser pointing adjustment device as claimed in claim 1, wherein: a ball cover is arranged outside the reflector group; the mounting bracket and the reflector group are simultaneously mounted and fixed on the mounting plate.

3. A laser pointing adjustment device as claimed in claim 2, wherein: the reflector group is connected with the mounting bracket through a supporting arm; the lower part of the reflector is fixed through a reflector bracket, a bracket gear, a mounting bottom plate and a bearing cover are sequentially arranged on the lower part of the reflector, and a positioning pin is arranged on the upper part of the mounting bottom plate.

4. A laser pointing adjustment device as claimed in claim 3, wherein: a left supporting plate and a second reflector gear are arranged on the left side of the reflector bracket; and a right side supporting plate and a first reflector gear are arranged on the right side of the reflector bracket.

5. A laser pointing adjustment device as claimed in claim 1, wherein: the motor comprises a horizontal motor and a pitching motor; the encoder includes a horizontal encoder and a pitch encoder.

6. A laser pointing adjustment device as claimed in claim 4, wherein: the first reflector gear is connected with the pitching motor through a pitching motor gear; the two reflecting mirror gears are connected with the pitching encoder through the pitching encoder gears.

7. A laser pointing adjustment device as claimed in claim 3, wherein: the bracket gear is connected with the horizontal encoder through the encoder extension shaft and the horizontal encoder gear in sequence; the support gear is connected with the horizontal motor through an encoder extension shaft.

8. A laser pointing adjustment device as claimed in claim 3, wherein: the mounting bracket is sequentially provided with a mounting ring, a laser mounting plate and a locking handle from bottom to top.

9. A laser pointing adjustment device as claimed in claim 8, wherein: symmetrical mounting seats are arranged in the mounting rings in an inner measuring mode and used for fixing the supporting arms so as to fix the reflector group.

10. A laser pointing adjustment device as claimed in claim 9, wherein: corresponding positioning holes are symmetrically formed in the two sides of the supporting arm; and symmetrical positioning holes are formed in the upper part of the mounting ring.