CN114993619A - A multi-optical axis zero-position consistency calibration mechanism for optoelectronic equipment - Google Patents

Abstract

The invention discloses a multi-optical-axis zero-position consistency calibration mechanism of photoelectric equipment, which comprises: the device comprises a first adjusting component (1), a second adjusting component (2) and a fixing component (3); the fixing assembly (3) comprises a positioning cylinder (31), a rotating shaft (32) and a knob (33), the bottom end of the positioning cylinder (31) is fixed with the optical axis, the rotating shaft (32) is arranged at the other end of the positioning cylinder, the knob (33) is arranged on the rotating shaft (32), and the knob (33) is adjusted to move and rotate the rotating shaft (32); the first adjusting component (1) is connected to one side of the rotating shaft (32); the second adjusting component (2) is connected to the other side of the rotating shaft (32), and the second adjusting component (2) is coaxial with the first adjusting component (1) and is respectively in contact with the two optical axes. The calibration mechanism can be matched with the rotating shaft to realize zero consistency calibration of the multi-sensor photoelectric equipment, and is simple in structure, strong in practicability, convenient to operate and large in adjustable range.

Description

A multi-optical axis zero-position consistency calibration mechanism for optoelectronic equipment

technical field

The invention relates to the technical field of optoelectronic devices, in particular to a multi-optical axis zero position consistency calibration mechanism for optoelectronic devices.

Background technique

With the development of science and technology, the application of multi-sensor optoelectronic devices is developing more and more rapidly. The multi-sensor optoelectronic devices formed by optoelectronic loads in coordination with other devices can realize observation and search activities such as ground-to-air and sea-to-sea. It has gradually become an aerospace navigation device. Observe the main ways of searching. In order to further improve the detection capability of the device, the integration of optoelectronic devices is getting higher and higher, and most of the current research at home and abroad is gradually developing towards composite optoelectronic devices such as infrared mid-wave, long-wave, visible light, and laser ranging. In order to meet the needs of different occasions, multi-sensor optoelectronic devices have gradually formed a comprehensive optoelectronic system integrating multi-spectrum, multi-sensor, and multi-optical path fusion. In order to ensure the functional realization and engineering of the equipment, in addition to meeting the traditional focal plane debugging and reliability requirements, the optical axis consistency has become an important link in the installation and testing of composite optoelectronic equipment, and it directly affects the The detection accuracy of the system can only be ensured by ensuring that each optical axis is consistent within a certain range, in order to ensure the consistency of the aiming and ranging directions, and to ensure the accuracy of the output target object motion parameter information.

At present, the traditional method of adjusting the axis is to use the target simulator to provide targets with different wavelength bands, as the benchmark for optical axis debugging, to assist the servo control system to ensure that the optical axis of each wavelength band emitted by the target simulator is the same light at the design level. axis. However, the existing method is time-consuming and labor-intensive, requires the cooperation of multiple professionals, and the operation is complicated, which greatly increases the complexity and difficulty of the work.

SUMMARY OF THE INVENTION

The embodiments of the present invention provide a multi-optical axis zero-position consistency calibration mechanism for optoelectronic equipment, which is used to propose a zero-position consistency calibration mechanism with a simple structure and convenient operation, so as to solve the time-consuming and time-consuming traditional axis adjustment method of multi-sensor optoelectronic equipment. power and complex problems.

The embodiment of the present invention provides a multi-optical axis zero position consistency calibration mechanism for optoelectronic equipment, including: a first adjustment component 1, a second adjustment component 2 and a fixing component 3;

The fixing assembly 3 includes a positioning cylinder 31, a rotating shaft 32 and a knob 33. One end of the positioning cylinder 31 is fixed to the optical axis, and the other end of the positioning cylinder 31 is provided with the rotating shaft 32. The knob 33 is adjusted to move and rotate the rotating shaft 32;

The first adjusting assembly 1 is connected to one side of the rotating shaft 32, and includes a first sliding sleeve 11, a first fixing shaft 12 and a first locking member 13. One end of the first fixing shaft 12 is connected to the One side of the rotating shaft 32 is connected, the first sliding sleeve 11 is slidably sleeved on the first fixed shaft 12, and the first sliding sleeve 11 is circumferentially provided with a second locking member to The second locking member fixes the first sliding sleeve 11 on the first fixed shaft 12, and the first locking member 13 is slidably connected to one end of the first fixed shaft 12, and slides the The first locking member 13 is used to adjust the sliding position of the first sliding sleeve 11 and realize locking and fixing;

The second adjusting assembly 2 is connected to the other side of the rotating shaft 32, and the second adjusting assembly 2 is coaxial with the first adjusting assembly 1, and includes a second sliding sleeve 21 and a second fixed shaft 22 and a third locking member 23, one end of the second fixed shaft 22 is connected to the other side of the rotating shaft 32, and the second sliding sleeve 21 is slidably sleeved on the second fixed shaft 22 , the second sliding sleeve 21 is circumferentially provided with a fourth locking member to fix the second sliding sleeve 21 on the second fixing shaft 22 based on the fourth locking member, and the third The locking member 23 is slidably connected to one end of the second fixing shaft 22 , and the third locking member 23 is slid to adjust the sliding position of the second sliding sleeve 21 and achieve locking and fixing.

Optionally, the second locking member is a locking screw provided along the circumferential direction of the first sliding sleeve 11;

The fourth locking member is a locking screw disposed along the circumferential direction of the second sliding sleeve 21 .

Optionally, the first locking member 13 is threadedly connected to one end of the first fixing shaft 12;

The third locking member 23 is threadedly connected to one end of the second fixing shaft 22 .

Optionally, a locking screw is provided on the circumferential direction of the first locking member 13;

A locking screw is provided on the circumferential direction of the third locking member 23 .

Optionally, the second adjustment assembly 2 and the first adjustment assembly 1 are coaxial, and the coaxial axis is perpendicular to the optical axis connected to the positioning cylinder 31 .

Optionally, one end of the first fixed shaft 12 is detachably connected to one side of the rotating shaft 32;

One end of the second fixed shaft 22 is detachably connected to the other side of the rotating shaft 32 .

The calibration mechanism of the embodiment of the present invention includes a first adjustment component and a second adjustment component of the fixed component, and cooperates with the rotating shaft to realize the zero position consistency calibration of the multi-sensor photoelectric equipment. The zero position consistency calibration mechanism of this embodiment has a simple structure and is practical Strong, easy to operate, large adjustable range.

The above description is only an overview of the technical solutions of the present invention, in order to be able to understand the technical means of the present invention more clearly, it can be implemented according to the content of the description, and in order to make the above and other purposes, features and advantages of the present invention more obvious and easy to understand , the following specific embodiments of the present invention are given.

Description of drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are for the purpose of illustrating preferred embodiments only and are not to be considered limiting of the invention. Also, the same components are denoted by the same reference numerals throughout the drawings. In the attached image:

1 is a schematic diagram of the basic structure of a multi-optical axis zero-position consistency calibration mechanism according to an embodiment of the application;

2 is a schematic cross-sectional view of a multi-optical axis zero-position consistency calibration mechanism according to an embodiment of the application;

FIG. 3 is an example of installation and calibration of the multi-optical axis zero-position consistency calibration mechanism according to an embodiment of the present application.

Detailed ways

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure will be more thoroughly understood, and will fully convey the scope of the present disclosure to those skilled in the art.

An embodiment of the present invention provides a multi-optical axis zero-position consistency calibration mechanism for optoelectronic equipment, as shown in FIG. 1 and FIG.

The fixing assembly 3 includes a positioning cylinder 31, a rotating shaft 32 and a knob 33. The bottom end of the positioning cylinder 31 is fixed with the optical axis, and the other end (the end opposite to the bottom end) is provided with the rotating shaft 32, The rotary shaft 32 is provided with the knob 33 , and the knob 33 is adjusted to move and rotate the rotary shaft 32 .

The first adjusting assembly 1 is connected to one side of the rotating shaft 32, and includes a first sliding sleeve 11, a first fixing shaft 12 and a first locking member 13. One end of the first fixing shaft 12 is connected to the One side of the rotating shaft 32 is connected, the first sliding sleeve 11 is slidably sleeved on the first fixed shaft 12, and the first sliding sleeve 11 is circumferentially provided with a second locking member to The second locking member fixes the first sliding sleeve 11 on the first fixed shaft 12, and the first locking member 13 is slidably connected to one end of the first fixed shaft 12, and slides the The first locking member 13 is used to adjust the sliding position of the first sliding sleeve 11 and achieve locking and fixing. In this example, the first sliding sleeve 11 can be used for coarse adjustment corresponding to the calibration direction, and the first sliding sleeve 11 after the coarse adjustment can be further finely adjusted through the first locking member 13 .

The second adjusting assembly 2 is connected to the other side of the rotating shaft 32, and the second adjusting assembly 2 is coaxial with the first adjusting assembly 1, and includes a second sliding sleeve 21 and a second fixed shaft 22 and a third locking member 23, one end of the second fixed shaft 22 is connected to the other side of the rotating shaft 32, and the second sliding sleeve 21 is slidably sleeved on the second fixed shaft 22 , the second sliding sleeve 21 is circumferentially provided with a fourth locking member to fix the second sliding sleeve 21 on the second fixing shaft 22 based on the fourth locking member, and the third The locking member 23 is slidably connected to one end of the second fixing shaft 22 , and the third locking member 23 is slid to adjust the sliding position of the second sliding sleeve 21 and achieve locking and fixing. In this example, the orientation of the second adjustment assembly 2 is opposite to the orientation of the first adjustment assembly 1 , and the second sliding sleeve 21 can be used to achieve rough adjustment corresponding to the calibration direction, and the third locking member 23 can further adjust the rough adjustment. The second sliding sleeve 21 is finely adjusted. In some embodiments, the second adjusting assembly 2 is coaxial with the first adjusting assembly 1 , and the coaxial axis is perpendicular to the optical axis connected to the positioning cylinder 31 . Therefore, the zero-adjustment mechanism of this embodiment has a large adjustable range in size, can realize coarse adjustment and fine adjustment, and can be used for adjusting shafts of optoelectronic devices of different sizes or specifications.

The calibration mechanism of the embodiment of the present invention includes a fixed assembly, a first adjustment assembly and a second adjustment assembly, and cooperates with the rotating shaft to realize the zero position consistency calibration of the multi-sensor photoelectric equipment. The zero position consistency calibration mechanism of this embodiment has a simple structure and is practical Strong performance, convenient operation and large adjustable range.

In some embodiments, the second locking member is a locking screw disposed along the circumference of the first sliding sleeve 11 ; the fourth locking member is disposed along the circumference of the second sliding sleeve 21 . Tighten the screw. Specifically, as shown in FIG. 1 , the first sliding sleeve 11 can be provided with three locking screws 111 in the circumferential direction, and can be arranged at 120° to each other. Similarly, the second sliding sleeve 21 can be provided with three locking screws 211 in the circumferential direction. Can be set at 120° to each other. The first sliding sleeve 1 can be fixed on the first fixed shaft 12 by tightening the locking screw 111 of the first sliding sleeve 11 , and the principle of the second sliding sleeve 21 is similar.

In some embodiments, the first locking member 13 is provided with locking screws in the circumferential direction; the third locking member 23 is provided with locking screws in the circumferential direction. In some embodiments, the first locking member 13 is provided with four locking screws 131 in the circumferential direction, which can be arranged at 90° to each other. Similarly, four locking screws 231 are disposed on the circumferential direction of the third locking member 23, and they can also be disposed at 90° to each other. The first locking member 13 can be fixed on one end of the first fixing shaft 12 by tightening the locking screw 131 of the first locking member 13 , and the principle of the third locking member 23 is similar.

In some embodiments, the first locking member 13 is threadedly connected to one end of the first fixing shaft 12 ; the third locking member 23 is threadedly connected to one end of the second fixing shaft 22 . Specifically, the fine-tuning of the first sliding sleeve 11 and the second sliding sleeve 21 is achieved through thread fit.

In some embodiments, one end of the first fixed shaft 12 is detachably connected to one side of the rotating shaft 32 , and one end of the second fixed shaft 22 is detachably connected to the other side of the rotating shaft 32 . . Specifically, the detachment can be realized based on the aforementioned threaded fitting manner.

FIG. 3 shows a schematic diagram of a multi-optical axis consistent zero adjustment mechanism 301 installed on a certain multi-sensor optoelectronic device. In this embodiment, the bottom of the positioning cylinder 31 is installed on the optical axis 3 of the target optoelectronic device, which ensures that the axis of the positioning cylinder of the zero adjustment mechanism is coaxial with the axis of the third optical axis 304 . The target optoelectronic device has a device housing 300 in which a zero adjustment mechanism 301 is provided. The first optical axis 303 is installed on the left side of the third optical axis 304, and can realize rotation and revolution with the third optical axis 304; the second optical axis 302 is installed on a fixed device and can only realize rotation. The left end surface of the first sliding sleeve 11 abuts the parts on the first optical axis 303 , and the right end surface of the second sliding sleeve 21 abuts the parts on the second optical axis 302 . The rotation and movement of the rotating shaft 32 and the first adjustment assembly 1 and the second adjustment assembly 2 in the vertical direction (z direction) are realized by rotating the knob 33 , and the first sliding sleeve 11 and the first locking member 13 are adjusted to realize the first The coarse adjustment and fine adjustment of the left end face of a sliding sleeve 11 and the optical axis 1, and at the same time, the locking and fixing are realized under the action of the locking screw 111 and the locking screw 131; by adjusting the second sliding sleeve 21 and the third locking member 23 The right end surface of the second sliding sleeve 21 and the second optical axis 302 are roughly adjusted and finely adjusted, and at the same time, the locking and fixing are realized under the action of the locking screw 211 and the locking screw 231 .

As a result, the optical axis consistency debugging and measurement results are finally within 5", so as to realize the mechanical calibration of the optical axis on the multi-sensor photoelectric device.

The multi-optical axis zero-position consistency calibration mechanism of the embodiment of the present application can realize the optical axis adjustment of optoelectronic devices of different sizes and specifications through the mutual cooperation between the first adjustment assembly 1 , the first adjustment assembly 2 and the fixing assembly 3 , to ensure the consistency of the optical axis. Adjust the size, spacing and positioning of the calibration mechanism according to the size of the optoelectronic equipment, so as to achieve the purpose of zero-position calibration suitable for different optoelectronic equipment. The calibration mechanism of this embodiment has the advantages of novel and reasonable structure, strong practicability, large adjustable range, simple and convenient operation, time-saving and labor-saving.

It should be noted that, herein, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements, It also includes other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

The above-mentioned serial numbers of the embodiments of the present invention are only for description, and do not represent the advantages or disadvantages of the embodiments.

The embodiments of the present invention have been described above in conjunction with the accompanying drawings, but the present invention is not limited to the above-mentioned specific embodiments, which are merely illustrative rather than restrictive. Under the inspiration of the present invention, without departing from the scope of protection of the present invention and the claims, many forms can be made, which all belong to the protection of the present invention.

Claims (6)

1. The utility model provides a zero uniformity calibration mechanism of optoelectronic equipment multi-optical axis which characterized in that includes: the device comprises a first adjusting component (1), a second adjusting component (2) and a fixing component (3);

the fixing assembly (3) comprises a positioning cylinder (31), a rotating shaft (32) and a knob (33), the bottom end of the positioning cylinder (31) is fixed with the optical axis, the rotating shaft (32) is arranged at the other end of the positioning cylinder, the knob (33) is arranged on the rotating shaft (32), and the knob (33) is adjusted to move and rotate the rotating shaft (32);

the first adjusting assembly (1) is connected to one side of the rotating shaft (32) and comprises a first sliding sleeve (11), a first fixed shaft (12) and a first locking member (13), one end of the first fixed shaft (12) is connected with one side of the rotating shaft (32), the first sliding sleeve (11) is slidably sleeved on the first fixed shaft (12), a second locking member is circumferentially arranged on the first sliding sleeve (11) so as to fix the first sliding sleeve (11) on the first fixed shaft (12) based on the second locking member, the first locking member (13) is slidably connected on the first fixed shaft (12), and the first locking member (13) is slid to adjust the sliding position of the first sliding sleeve (11) and realize locking and fixing;

the second adjusting component (2) is connected to the other side of the rotating shaft (32), and the second adjusting assembly (2) is coaxial with the first adjusting assembly (1), which comprises a second sliding sleeve (21), a second fixed shaft (22) and a third locking piece (23), one end of the second fixed shaft (22) is connected with the other side of the rotating shaft (32), the second sliding sleeve (21) is sleeved on the second fixed shaft (22) in a sliding way, a fourth locking piece is arranged on the second sliding sleeve (21) in the circumferential direction, so as to fix the second sliding bush (21) on the second fixed shaft (22) based on the fourth locking piece, but third retaining member (23) sliding connection in on second fixed axle (22), slide third retaining member (23) are in order to adjust the sliding position of second sliding sleeve (21) and realize locking fixedly.

2. The optoelectronic apparatus multi-optical-axis zero-alignment calibration mechanism as claimed in claim 1, wherein the second locking member is a locking screw disposed along a circumferential direction of the first sliding sleeve (11);

the fourth locking piece is a locking screw arranged along the circumferential direction of the second sliding sleeve (21).

3. The optoelectronic apparatus multi-optical axis zero-position consistency calibration mechanism of claim 1, characterized in that the first locking member (13) is connected with one end of the first fixed shaft (12) in a threaded fit manner;

and the third locking piece (23) is in threaded fit connection with one end of the second fixed shaft (22).

4. The optoelectronic apparatus multi-optical-axis zero-position consistency calibration mechanism as claimed in claim 3, wherein the first locking member (13) is provided with locking screws in the circumferential direction;

and locking screws are arranged on the periphery of the third locking piece (23).

5. The optoelectronic apparatus multi-optical axis zero alignment calibration mechanism of claim 1, wherein the second adjustment assembly (2) is coaxial with the first adjustment assembly (1), and the coaxial is perpendicular to the optical axis connected to the positioning cylinder (31).

6. The optoelectronic apparatus multi-optical axis zero alignment calibration mechanism of claim 1, wherein one end of the first stationary shaft (12) is detachably connected to one side of the rotation shaft (32);

one end of the second fixed shaft (22) is detachably connected with the other side of the rotating shaft (32).

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