CN215116786U

CN215116786U - Quick pre-calibration device for light beam pointing

Info

Publication number: CN215116786U
Application number: CN202121579010.7U
Authority: CN
Inventors: 明昌福; 明廷锋; 陈虎
Original assignee: Wuhan Haiyun Hongyi Technology Co ltd
Current assignee: Wuhan Haiyun Hongyi Technology Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-12-10
Anticipated expiration: 2031-07-13

Abstract

The utility model discloses a directional quick precorrection device of light beam. The horizontal plate is arranged on the leveling device; the horizontal plate is provided with a through hole; the pointing cylinder is connected with the horizontal plate and is communicated with the through hole; the light beam is reflected by the reflecting table and is emitted out of the pointing cylinder through the through hole. The horizontal plate is used for providing a reference horizontal plane and carrying the pointing cylinder; the directional cylinder is used for restraining the light beam to spread according to the preset direction, so that the direction of the light beam can be quickly calibrated, and time and labor are saved. The utility model provides a directional quick precorrection device of light beam simple structure, convenient to use.

Description

Quick pre-calibration device for light beam pointing

Technical Field

The utility model relates to an atmosphere remote sensing laser radar technical field especially relates to a directional quick precorrection device of light beam.

Background

After the atmospheric remote sensing laser radar hardware system is developed, joint debugging needs to be carried out on a receiving and transmitting system, so that the system enters an optimal working state. The important joint adjustment link comprises the steps of calibrating the direction of a transmitted laser beam and entering a telescope system view field to ensure that an echo signal is maximum and a target detection measurement result is optimal. Typically, after the system is first installed, the outgoing laser beam is directed farther from the optical axis of the telescope. The traditional laser pointing adjustment method needs to have certain laser radar application practical experience, and usually takes a certain time (for example, 15 to 30 minutes) to complete the matching of the laser beam pointing adjustment and the telescope system, which is time-consuming and labor-consuming.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a directional quick precorrection device of light beam has realized the directional quick calibration of light beam, labour saving and time saving.

The utility model provides a directional quick precorrection device of light beam, include: the device comprises a reflecting table, a horizontal plate, a leveling device and a pointing cylinder; the horizontal plate is arranged on the leveling device; the horizontal plate is provided with a through hole; the pointing cylinder is connected with the horizontal plate and is communicated with the through hole; the light beam is reflected by the reflecting table and is emitted out of the pointing cylinder through the through hole.

Further, the through hole is a through hole.

Further, the through hole is an inclined through hole.

Further, the leveling device includes: the device comprises an upper flat plate, a lower flat plate, an elastic component, a positioning ball and a screw; the elastic component and the positioning beads are arranged between the upper flat plate and the lower flat plate; mounting holes are formed in the upper flat plate and the lower flat plate; the screw penetrates through the mounting hole; the horizontal plate is arranged on the upper flat plate.

Further, the elastic member includes: a first elastic member, a second elastic member, a third elastic member, and a fourth elastic member; the screw includes: a first screw and a second screw; the first elastic component, the second elastic component, the third elastic component and the fourth elastic component are all arranged between the upper flat plate and the lower flat plate; the first elastic part and the second elastic part are distributed at a first corner of the upper flat plate or the lower flat plate; the third elastic part and the fourth elastic part are distributed at the opposite angle of the first corner; a first mounting hole is formed in a first corner of the upper flat plate and the lower flat plate; a second mounting hole is formed in the opposite corner of the first mounting hole; the first screw is arranged in the first mounting hole; the second screw is disposed in the second mounting hole.

Further, still include: horizontal bubble; the horizontal bubble is arranged on the horizontal plate.

Further, the directional cylinder is connected with the horizontal plate by a bolt.

The utility model discloses in the one or more technical scheme that provides, following technological effect or advantage have at least:

the horizontal plate is arranged on the leveling device; the horizontal plate is provided with a through hole; the pointing cylinder is connected with the horizontal plate and is communicated with the through hole; the light beam is reflected by the reflecting table and is emitted out of the pointing cylinder through the through hole. The horizontal plate is used for providing a reference horizontal plane and carrying the pointing cylinder; the directional cylinder is used for restraining the light beam to spread according to the preset direction, so that the direction of the light beam can be quickly calibrated, and time and labor are saved. The utility model provides a directional quick precorrection device of light beam simple structure, convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of a beam pointing fast pre-calibration apparatus according to an embodiment of the present invention;

fig. 2 is a front view of a leveling device in the beam pointing rapid pre-calibration device according to an embodiment of the present invention;

FIG. 3 is a top view of FIG. 2;

the device comprises a reflecting table 1, a horizontal plate 2, a pointing cylinder 3, a through hole 4, an upper flat plate 5, a lower flat plate 6, a positioning ball 7, a first elastic component 8, a second elastic component 9, a third elastic component 10, a fourth elastic component 11, a first screw 12 and a second screw 13.

Detailed Description

The embodiment of the utility model provides a through providing a directional quick precorrection device of light beam, realized the directional quick calibration of light beam, labour saving and time saving.

The embodiment of the utility model provides an in technical scheme for realizing above-mentioned technological effect, the general thinking is as follows:

the horizontal plate is arranged on the leveling device; the horizontal plate is provided with a through hole; the pointing cylinder is connected with the horizontal plate and is communicated with the through hole; the light beam is reflected by the reflecting table and is emitted out of the pointing cylinder through the through hole. The horizontal plate is used for providing a reference horizontal plane and carrying the pointing cylinder; the directional cylinder is used for restraining the light beam to spread according to the preset direction, so that the direction of the light beam can be quickly calibrated, and time and labor are saved. The embodiment of the utility model provides a directional quick precorrection device of light beam simple structure, convenient to use.

For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the embodiments.

Referring to fig. 1, an embodiment of the present invention provides a light beam pointing fast pre-calibration apparatus, including: the device comprises a reflecting table 1, a horizontal plate 2, a leveling device and a pointing cylinder 3; the horizontal plate 2 is arranged on the leveling device; the horizontal plate 2 is provided with a through hole 4; the directional cylinder 3 is connected with the horizontal plate 2, and the directional cylinder 3 is communicated with the through hole 4; the light beam is reflected by the reflection stage 1 and exits the pointing cylinder 3 through the through hole 4.

The structure of the beam-directing rapid pre-calibration device provided by the embodiment of the utility model is specifically explained, and the through hole 4 is a straight through hole; accordingly, the directional tube 3 is a vertically directional tube.

And/or the presence of a gas in the gas,

the through-hole 4 is a slant through-hole. Accordingly, the directional tube 3 is an obliquely directed tube.

That is, one or more through holes 4 may be provided in the horizontal plate 2. The laser beam calibration device can simultaneously comprise a straight through hole and an inclined through hole, and only the axis coincidence of the pointing cylinder 3 and the through hole 4 is required to be ensured, so that the laser beams with different directions can be rapidly calibrated.

In the present embodiment, the horizontal plate 2 and the directional cylinder 3 are precisely machined from an aluminum alloy material.

Referring to fig. 2 and 3, the leveling device includes: the device comprises an upper flat plate 5, a lower flat plate 6, an elastic component, a positioning ball 7 and a screw; the elastic component and the positioning bead 7 are arranged between the upper flat plate 5 and the lower flat plate 6; mounting holes are formed in the upper flat plate 5 and the lower flat plate 6; the screw passes through the mounting hole; the horizontal plate 2 is disposed on the upper flat plate 5. The upper plate 5 can be leveled by adjusting the length of the screw.

To explain the structure of the leveling device in detail, the elastic member includes: a first elastic member 8, a second elastic member 9, a third elastic member 10, and a fourth elastic member 11; the screw includes: a first screw 12 and a second screw 13; the first elastic component 8, the second elastic component 9, the third elastic component 10 and the fourth elastic component 11 are all arranged between the upper flat plate 5 and the lower flat plate 6; the first elastic part 8 and the second elastic part 9 are distributed at the first corner of the upper flat plate 5 or the lower flat plate 6; the third elastic part 10 and the fourth elastic part 11 are distributed at the opposite corners of the first corner; a first mounting hole is formed in a first corner of the upper flat plate 5 and the lower flat plate 6; a second mounting hole is formed in the opposite corner of the first mounting hole; the first screw 12 is arranged in the first mounting hole; the second screw 13 is disposed in the second mounting hole. The upper plate 5 can be leveled by adjusting the length of the first screw 12 and the second screw 13.

It should be noted here that the number of the elastic members may be larger, and the number of the screws may also be larger, and only a plurality of elastic members and screws need to be uniformly and symmetrically distributed between the upper plate 5 and the lower plate 6.

In this embodiment, the elastic member is a tension spring.

In order to ensure that the horizontal plate 2 is horizontal, thereby improving the calibration accuracy of the light beam, the method further comprises the following steps: horizontal bubble; the horizontal bubble is arranged on the horizontal plate 2. Whether the horizontal plate 2 is horizontal or not can be judged by observing the horizontal bubble.

To explain the connection manner of the direction tube 3 and the horizontal plate 2, the direction tube 3 is connected to the horizontal plate 2 by a bolt.

In this embodiment, the pointing cylinder 3 is mounted on the horizontal plate 2, and the angle between the mechanical axis and the normal of the horizontal plate 2 is equal to the angle between the optical axis of the telescope and the vertical line when the telescope is in operation, so as to restrict the laser beam from propagating in a predetermined direction. The included angle may be equal to 0 ° or 30 °, or any other predetermined working angle of the telescope optical axis.

Example 1

Set up the screw hole site during precision machine design processing, adopt fastening screw with the mechanical axis with 2 normal coincidence of horizontal plate directional section of thick bamboo 3 assemble on horizontal plate 2, then place horizontal plate 2 directly over laser reflecting platform 1. And a horizontal bubble is arranged on the surface of the horizontal plate 2, and a screw is adjusted until the horizontal bubble indicates that the water-saving flat plate 2 is adjusted to be horizontal. At this time, the laser beam is emitted and irradiates the reflecting table 1. The angle of the reflecting table 1 is adjusted so that the laser beam (as indicated by the vertical dashed line in fig. 1) can pass through the pointing cylinder 3, indicating that the reflected laser beam has naturally approached the vertical direction. This embodiment is suitable for use where the optical axis of the telescope system is operating in a vertical orientation.

Example 2

This example is substantially the same as example 1, except that: after the pointing cylinder 3 is mounted on the horizontal plate 2 by fastening screws, the mechanical axis of the pointing cylinder 3 is at a fixed angle (e.g., 30 °) to the normal of the horizontal plate 2. This embodiment is suitable for use where the optical axis of the telescope system is operating in an oblique orientation (30 ° from the vertical orientation).

Technical effects

1. The horizontal plate 2 is arranged on the leveling device; the horizontal plate 2 is provided with a through hole 4; the directional cylinder 3 is connected with the horizontal plate 2, and the directional cylinder 3 is communicated with the through hole 4; the light beam is reflected by the reflection stage 1 and exits the pointing cylinder 3 through the through hole 4. Wherein, the horizontal plate 2 is used for providing a reference horizontal plane and carrying the pointing cylinder 3; the directional cylinder 3 is used for restraining the light beam to spread according to the preset direction, so that the direction of the light beam can be quickly calibrated, and time and labor are saved. The embodiment of the utility model provides a directional quick precorrection device of light beam simple structure, convenient to use.

2. The embodiment of the utility model provides an in through-hole 4 is through hole and/or oblique through-hole to can carry out quick calibration to different directive light beams.

3. Through the use of the horizontal bubble, the horizontal plate 2 can be ensured to be horizontal, thereby improving the calibration precision of the light beam.

The embodiment of the utility model provides a directional quick precorrection device of light beam is behind horizontal plate 2 regulation level, laser beam pass through directional section of thick bamboo 3, and the directional nature of laser beam is tentatively close telescope system optical axis directional to can the directional telescope system visual field that tentatively gets into of quick precorrection laser beam, have accommodation process directly perceived, simple and direct and efficient advantage.

While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A beam pointing fast pre-alignment apparatus, comprising: the device comprises a reflecting table, a horizontal plate, a leveling device and a pointing cylinder; the horizontal plate is arranged on the leveling device; the horizontal plate is provided with a through hole; the pointing cylinder is connected with the horizontal plate and is communicated with the through hole; the light beam is reflected by the reflecting table and is emitted out of the pointing cylinder through the through hole.

2. The beam-directing fast pre-alignment apparatus of claim 1, wherein said through-hole is a through-hole.

3. The beam-pointing fast pre-alignment apparatus of claim 1, wherein the through-hole is a slanted through-hole.

4. The beam-pointing fast pre-calibration apparatus of claim 1, wherein the leveling means comprises: the device comprises an upper flat plate, a lower flat plate, an elastic component, a positioning ball and a screw; the elastic component and the positioning beads are arranged between the upper flat plate and the lower flat plate; mounting holes are formed in the upper flat plate and the lower flat plate; the screw penetrates through the mounting hole; the horizontal plate is arranged on the upper flat plate.

5. The beam-pointing fast pre-alignment apparatus of claim 4, wherein the resilient member comprises: a first elastic member, a second elastic member, a third elastic member, and a fourth elastic member; the screw includes: a first screw and a second screw; the first elastic component, the second elastic component, the third elastic component and the fourth elastic component are all arranged between the upper flat plate and the lower flat plate; the first elastic part and the second elastic part are distributed at a first corner of the upper flat plate or the lower flat plate; the third elastic part and the fourth elastic part are distributed at the opposite angle of the first corner; a first mounting hole is formed in a first corner of the upper flat plate and the lower flat plate; a second mounting hole is formed in the opposite corner of the first mounting hole; the first screw is arranged in the first mounting hole; the second screw is disposed in the second mounting hole.

6. The beam-pointing fast pre-alignment apparatus of claim 1, further comprising: horizontal bubble; the horizontal bubble is arranged on the horizontal plate.

7. The beam pointing fast pre-calibration device according to any one of claims 1 to 6, wherein the pointing cylinder is connected to the horizontal plate by a bolt.