Photoelectric turret ball cabin structure with weak optical axis offset

Abstract

The utility model provides a photoelectric turret ball cabin structure with weak optical axis offset, which relates to the technical field of engineering design, and comprises a front cover assembly, a pitching frame assembly, a rear cover assembly, a load frame, a laser range finder assembly, a visible light camera assembly and a thermal infrared imager assembly, the consistency of the optical axes of the three optical loads of the laser range finder, the visible light camera and the thermal infrared imager can be conveniently adjusted; in addition, the force transmission path between the front cover assembly fixing position and the three optical load fixing positions and the force transmission path between the rear cover assembly fixing position and the three optical load fixing positions are prolonged, and meanwhile the force transmission path between the pitch axis system and the three optical load fixing positions is shortened. The deformation of the load frame and the influence on the consistency of the optical axes of the photoelectric turret after the front cover assembly and the rear cover assembly are installed and fixed are reduced, and the problem that the optical axes relatively move and deviate in the installation process of an existing photoelectric turret is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of engineering design, in particular to a photoelectric turret ball cabin structure with weak optical axis offset. Background Art

[0002] As an important optoelectronic device for aircraft platforms, optoelectronic turrets have been widely used in the fields of reconnaissance and surveillance, precision strike, search and rescue, environmental testing, and forest fire prevention. Optical axis consistency is a performance indicator that measures the degree of consistency between the optical axes of multiple optical components inside the device. It has a crucial impact on the imaging quality, system performance, and stability and reliability of the optoelectronic turret.

[0003] The optoelectronic turret spherical cabin assembly is usually composed of a pitch frame assembly, a front cover assembly and a rear cover assembly; each optical load in the optoelectronic turret is fixed to the pitch frame assembly directly or indirectly, and the optical axis consistency of the system is ensured by adjusting the relative deflection angles between the optical loads; however, in the existing optoelectronic turret structure, after the optical axis consistency adjustment is completed, the fixed connection between the front cover assembly or the rear cover assembly and the pitch frame assembly will cause relative movement of the system optical axis, and it is difficult to ensure that the optoelectronic system optical axis is not offset, which in turn affects the imaging quality, system performance and stability and reliability of the optoelectronic turret. Utility Model Content

[0004] Therefore, the technical problem to be solved by the utility model is to overcome the defects in the prior art, thereby providing an optoelectronic turret spherical cabin structure with weak optical axis offset.

[0005] A photoelectric turret spherical cabin structure with weak optical axis offset comprises: a front cover assembly, a pitch frame assembly and a rear cover assembly connected in sequence, wherein a load frame is arranged on the pitch frame assembly, a laser rangefinder assembly, a visible light camera assembly and an infrared thermal imager assembly are arranged on the load frame, the laser rangefinder assembly comprises a laser rangefinder adapter and a laser rangefinder, the laser rangefinder is mounted on the laser rangefinder adapter, the laser rangefinder adapter is mounted on the load frame, the visible light camera assembly comprises a visible light camera adapter and a visible light camera, the visible light camera is mounted on the visible light camera adapter, the visible light camera adapter is mounted on the load frame, the infrared thermal imager assembly comprises an infrared thermal imager adapter and an infrared thermal imager, the infrared thermal imager is mounted on the infrared thermal imager adapter, and the infrared thermal imager adapter is mounted on the load frame.

[0006] Furthermore, the optoelectronic turret spherical cabin structure also includes an airtight cover inside the cabin, and the airtight cover inside the cabin is installed on the pitch frame assembly.

[0007] Furthermore, the pitch frame assembly includes a support and a pitch frame, the supports are arranged in pairs on the pitch frame, the load frame is connected to the support, and the pitch frame is connected to the front cover assembly and the rear cover assembly at the same time.

[0008] Furthermore, the detection working ends of the laser rangefinder, the visible light camera and the infrared thermal imager are all located on one side of the load frame close to the front cover assembly.

[0009] Furthermore, the front cover assembly includes a front cover and optical load window glasses, a plurality of optical load window glasses are mounted on the front cover, and the front cover is connected to the pitch frame.

[0010] Furthermore, the optical load window glass includes a first optical load window glass, a second optical load window glass and a third optical load window glass, the first optical load window glass corresponds to the position of the working end detected by the laser rangefinder, the second optical load window glass corresponds to the position of the working end detected by the visible light camera, and the third optical load window glass corresponds to the position of the working end detected by the infrared thermal imager.

[0011] Furthermore, the load frame is connected to the support by screws.

[0012] Furthermore, the laser rangefinder adapter, the visible light camera adapter and the infrared thermal imager adapter are connected to the load frame by screws.

[0013] Furthermore, the front cover, the pitch frame and the rear cover assembly are connected by screws.

[0014] Furthermore, the cabin airtight cover is mounted on the pitch frame assembly by screws.

[0015] The technical solution of the utility model has the following advantages:

[0016] 1. The utility model provides an optoelectronic turret spherical cabin structure with weak optical axis offset. By arranging the load frame on the pitch frame assembly, it is beneficial to move the optical axis positions of the three optical loads, namely, the laser rangefinder, the visible light camera and the infrared thermal imager, forward to an easy-to-operate position, so as to facilitate the adjustment of the consistency of the optical axes. In addition, the force transmission path between the front cover assembly fixing position, the rear cover assembly fixing position and the three optical load fixing positions of the laser rangefinder, the visible light camera and the infrared thermal imager is extended, and the force transmission path between the pitch axis system and the three optical load fixing positions of the laser rangefinder, the visible light camera and the infrared thermal imager is shortened, so that the deformation of the load frame can be reduced at the same time, and the influence of the front cover assembly and the rear cover assembly on the consistency of the optical axis of the optoelectronic turret after being installed and fixed is reduced. At the same time, the optoelectronic turret spherical cabin has a simple structure, is easy to disassemble and manufacture, is easy to operate and implement during use, and has a low production cost.

[0017] 2. In the technical solution provided by the utility model, the airtight cover in the cabin solves the airtightness problem caused by wiring, so that the overall structure forms a spherical closed space, providing a dry and relatively temperature-stable working environment for the optical payload, and effectively reducing the wind resistance of the spherical cabin during flight operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 This is an exploded assembly diagram of the overall structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the structure of the front cover assembly, the rear cover assembly and the pitch frame assembly of the utility model;

[0021] Figure 3 It is a schematic diagram of the structure of the laser rangefinder adapter, the laser rangefinder, the visible light camera adapter, the visible light camera, the infrared thermal imager adapter and the infrared thermal imager of the utility model;

[0022] Figure 4 It is a schematic diagram of the support and pitch frame structure of the utility model.

[0023] Description of reference numerals:

[0024] 1-front cover assembly; 2-laser rangefinder assembly; 2-1-laser rangefinder adapter; 2-2-laser rangefinder; 3-visible light camera assembly; 3-1-visible light camera adapter; 3-2-visible light camera; 4-infrared thermal imager assembly; 4-1-infrared thermal imager adapter; 4-2-infrared thermal imager; 5-cabin airtight cover; 6-load frame; 7-rear cover assembly; 8-pitch frame assembly; 8-1-support; 8-2-pitch frame. DETAILED DESCRIPTION

[0025] The technical solution of the utility model will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0029] like Figure 1~Figure 3 The structure of the photoelectric turret spherical cabin with weak optical axis offset shown in the figure comprises: a front cover assembly 1, a pitch frame assembly 8 and a rear cover assembly 7 connected in sequence, the pitch frame assembly 8 is provided with a load frame 6, the load frame 6 is provided with a laser rangefinder assembly 2, a visible light camera assembly 3 and an infrared thermal imager assembly 4, the laser rangefinder assembly 2 comprises a laser rangefinder adapter 2-1 and a laser rangefinder 2-2, the laser rangefinder 2-2 is installed on the laser rangefinder adapter 2-1, and the laser rangefinder adapter 2-2 is installed on the laser rangefinder adapter 2-1. Component 2-1 is installed on the load frame 6, the visible light camera assembly 3 includes a visible light camera adapter 3-1 and a visible light camera 3-2, the visible light camera 3-2 is installed on the visible light camera adapter 3-1, and the visible light camera adapter 3-1 is installed on the load frame 6, the infrared thermal imager assembly 4 includes an infrared thermal imager adapter 4-1 and an infrared thermal imager 4-2, the infrared thermal imager 4-2 is installed on the infrared thermal imager adapter 4-1, and the infrared thermal imager adapter 4-1 is installed on the load frame 6.

[0030] The above-mentioned optoelectronic turret spherical cabin structure with weak optical axis offset, by setting the load frame 6 on the pitch frame assembly 8, is conducive to moving the optical axis positions of the three optical loads, the laser rangefinder 2-2, the visible light camera 3-2 and the infrared thermal imager 4-2, forward to an easy-to-operate position, and is convenient for adjusting the consistency of the optical axes; in addition, the force transmission path between the fixed position of the front cover assembly 1, the fixed position of the rear cover assembly 7 and the three optical load fixed positions of the laser rangefinder 2-2, the visible light camera 3-2 and the infrared thermal imager 4-2 is extended, and the force transmission path between the pitch axis system and the three optical load fixed positions of the laser rangefinder 2-2, the visible light camera 3-2 and the infrared thermal imager 4-2 is shortened, which can reduce the deformation of the load frame 6 at the same time, and reduce the influence of the front cover assembly 1 and the rear cover assembly 7 on the consistency of the optical axis of the optoelectronic turret after installation and fixation. At the same time, the optoelectronic turret spherical cabin has a simple structure, is easy to disassemble and manufacture, is also easy to operate and implement during use, has low production cost, and improves the overall installation stiffness of the optical load structural parts.

[0031] like Figure 1~Figure 3 As shown, in this embodiment, the optoelectronic turret spherical cabin structure also includes an inner cabin airtight cover 5, which is installed on the pitch frame assembly 8; the inner cabin airtight cover 5 solves the airtightness problem caused by wiring, thereby allowing the overall structure to form a spherical closed space, providing a dry and relatively temperature-stable working environment for the optical payload, and effectively reducing the wind resistance of the spherical cabin during flight operations.

[0032] like Figure 1~Figure 4 As shown, in this embodiment, the pitch frame assembly 8 includes a support 8-1 and a pitch frame 8-2, the support 8-1 is arranged in pairs on the pitch frame 8-2, the load frame 6 is connected to the support 8-1, and the pitch frame 8-2 is connected to the front cover assembly 1 and the rear cover assembly 7 at the same time; the support 8-1 is located in the middle position of the pitch frame 8-2, the support 8-1 and the pitch frame 8-2 can be a split structure connected by screws, and the support 8-1 and the pitch frame 8-2 can also be an integrated structural member. During the overall installation process of the load frame 6, the load frame 6 and the airtight cover 5 in the cabin are designed with structural avoidance to facilitate the overall installation of the load frame 6, and the support 8-1 is used to install and support the load frame 6.

[0033] like Figure 1~Figure 3 As shown, in this embodiment, the detection working ends of the laser rangefinder 2-2, the visible light camera 3-2 and the infrared thermal imager 4-2 are all located on one side of the load frame 6 close to the front cover assembly 1, thereby ensuring the normal operation of the laser rangefinder 2-2, the visible light camera 3-2 and the infrared thermal imager 4-2.

[0034] like Figure 1~Figure 4As shown, in this embodiment, the front cover assembly 1 includes a front cover and an optical load window glass, a plurality of optical load window glasses are installed on the front cover, and the front cover is connected to the pitch frame 8-2; the connection between the front cover and the pitch frame 8-2 ensures the integrity of the optoelectronic turret cabin structure, and the installation of a plurality of optical load window glasses ensures that the laser rangefinder 2-2, the visible light camera 3-2 and the infrared thermal imager 4-2 can perform detection work normally.

[0035] like Figure 3 As shown, in this embodiment, the optical load window glass includes a first optical load window glass, a second optical load window glass and a third optical load window glass. The first optical load window glass corresponds to the position of the detection working end of the laser rangefinder 2-2, the second optical load window glass corresponds to the position of the detection working end of the visible light camera 3-2, and the third optical load window glass corresponds to the position of the detection working end of the infrared thermal imager 4-2; the first optical load window glass ensures that the laser rangefinder 2-2 performs the ranging work normally, the second optical load window glass ensures that the visible light camera 3-2 performs the detection work normally, and the third optical load window glass ensures that the infrared thermal imager 4-2 performs the detection work normally.

[0036] like Figure 1 , Figure 3 and Figure 4 As shown, in this embodiment, the load frame 6 is connected to the support 8-1 by screws; the load frame 6 and the support 8-1 are connected by screws, which ensures the stability of the connection of the load frame 6, thereby ensuring that the optical axes of the three optical loads, the laser rangefinder 2-2, the visible light camera 3-2 and the infrared thermal imager 4-2, are moved forward to an easy-to-operate position, which facilitates the adjustment of the consistency of the optical axes.

[0037] like Figure 1~Figure 3As shown, in this embodiment, the laser rangefinder adapter 2-1, the visible light camera adapter 3-1 and the infrared thermal imager adapter 4-1 are connected to the load frame 6 by screws; the optical axis positions of the three optical loads of the laser rangefinder 2-2, the visible light camera 3-2 and the infrared thermal imager 4-2 are moved forward to a position that is easy to operate through the load frame 6 and the laser rangefinder adapter 2-1, the visible light camera adapter 3-1 and the infrared thermal imager adapter 4-1, so as to facilitate the adjustment of the consistency of the optical axes, and the optical axis adjustment surface of the laser rangefinder 2-2 is set to P1, the optical axis adjustment surface of the visible light camera 3-2 is set to P2, and the optical axis adjustment surface of the infrared thermal imager 4-2 is set to P3. The optical axis adjustment surface of the external thermal imager 4-2 is P3, and the center position of the pitch frame assembly 8 is P5. The optical axis adjustment surface P1 of the laser rangefinder 2-2, the optical axis adjustment surface P2 of the visible light camera 3-2 and the optical axis adjustment surface P3 of the infrared thermal imager 4-2 are correspondingly adjusted to the same plane P4 through the laser rangefinder adapter 2-1, the visible light camera adapter 3-1 and the infrared thermal imager adapter 4-1. At the same time, the plane P4 is moved away from the center position P5 of the pitch frame assembly 8 through the load frame 6, so as to facilitate the adjustment and operation of the consistency of the optical axes of various optical loads in the optoelectronic turret.

[0038] like Figure 1 , Figure 2 and Figure 4 As shown, in this embodiment, the front cover, the pitch frame 8-2 and the rear cover assembly 7 are connected by screws; connecting the front cover, the pitch frame 8-2 and the rear cover assembly 7 ensures the integrity of the optoelectronic turret spherical cabin structure, and the screws make the connection more reliable.

[0039] like Figure 1~Figure 3 As shown, in this embodiment, the airtight cover 5 in the cabin is installed on the pitch frame assembly 8 by screws; the screw connection has strong reliability and stability, ensuring the fastening connection of the airtight cover 5 in the cabin, thereby making the overall structure form a spherical closed space, providing a dry and relatively temperature-stable working environment for the optical payload, and effectively reducing the wind resistance of the spherical cabin during flight operations.

[0040] like Figure 1~Figure 4 As shown, in this embodiment, the steps of installing the photoelectric turret ball cabin structure with weak optical axis offset and adjusting the optical axis are as follows:

[0041] Step S1, connecting the laser rangefinder 2-2 to the laser rangefinder adapter 2-1, connecting the visible light camera 3-2 to the visible light camera adapter 3-1, and connecting the infrared thermal imager 4-2 to the infrared thermal imager adapter 4-1, thereby forming three optical load components of the laser rangefinder component 2, the visible light camera component 3 and the infrared thermal imager component 4;

[0042] Step S2, installing the support 8-1 on the pitch frame 8-2, thereby forming the pitch frame assembly 8. It should be noted that if the support 8-1 and the pitch frame 8-2 are an integrated structural member, this step is skipped;

[0043] Step S3, installing the cabin airtight cover 5 on the pitch frame 8-2;

[0044] Step S4, installing the three optical load components of the laser rangefinder component 2, the visible light camera component 3 and the infrared thermal imager component 4 on the load frame 6, and installing the load frame 6 on the support 8-1, and then installing the load frame 6, the laser rangefinder component 2, the visible light camera component 3 and the infrared thermal imager component 4 as a whole on the pitch frame component 8;

[0045] Step S5, adjusting the consistency of the optical axes of the laser rangefinder assembly 2, the visible light camera assembly 3 and the infrared thermal imager assembly 4 until the index requirements are met;

[0046] Step S6, the front cover assembly 1 and the rear cover assembly 7 are fixedly installed with the pitch frame assembly 8 as a whole. After installation, the optical axes of the optical loads will not be significantly offset, and the optoelectronic turret can be subsequently debugged.

[0047] Obviously, the above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention of the utility model.

Claims

1. An optoelectronic turret spherical cabin structure with weak optical axis offset, comprising: A front cover assembly (1), a pitch frame assembly (8) and a rear cover assembly (7) connected in sequence, characterized in that a load frame (6) is arranged on the pitch frame assembly (8), a laser rangefinder assembly (2), a visible light camera assembly (3) and an infrared thermal imager assembly (4) are arranged on the load frame (6), the laser rangefinder assembly (2) comprises a laser rangefinder adapter (2-1) and a laser rangefinder (2-2), the laser rangefinder (2-2) is mounted on the laser rangefinder adapter (2-1), and the laser rangefinder adapter (2-1) is mounted on the load frame (6). The visible light camera assembly (3) comprises a visible light camera adapter (3-1) and a visible light camera (3-2), the visible light camera (3-2) is mounted on the visible light camera adapter (3-1), and the visible light camera adapter (3-1) is mounted on the load frame (6); the infrared thermal imager assembly (4) comprises an infrared thermal imager adapter (4-1) and an infrared thermal imager (4-2), the infrared thermal imager (4-2) is mounted on the infrared thermal imager adapter (4-1), and the infrared thermal imager adapter (4-1) is mounted on the load frame (6).

2. The photoelectric turret spherical cabin structure with weak optical axis offset according to claim 1 is characterized in that: The optoelectronic turret spherical cabin structure further comprises an in-cabin airtight cover (5), wherein the in-cabin airtight cover (5) is mounted on the pitch frame assembly (8).

3. The photoelectric turret spherical cabin structure with weak optical axis offset according to claim 1 is characterized in that: The pitch frame assembly (8) comprises a support (8-1) and a pitch frame (8-2), the supports (8-1) are arranged in pairs on the pitch frames (8-2), the load frame (6) is connected to the support (8-1), and the pitch frame (8-2) is simultaneously connected to the front cover assembly (1) and the rear cover assembly (7).

4. The photoelectric turret spherical cabin structure with weak optical axis offset according to claim 1 is characterized in that: The detection working ends of the laser rangefinder (2-2), the visible light camera (3-2) and the infrared thermal imager (4-2) are all located on a side of the load frame (6) close to the front cover assembly (1).

5. The photoelectric turret spherical cabin structure with weak optical axis offset according to claim 3 is characterized in that: The front cover assembly (1) comprises a front cover and optical load window glasses, a plurality of optical load window glasses are mounted on the front cover, and the front cover is connected to a pitch frame (8-2).

6. The photoelectric turret spherical cabin structure with weak optical axis offset according to claim 5, characterized in that: The optical load window glass comprises a first optical load window glass, a second optical load window glass and a third optical load window glass, the first optical load window glass corresponds to the position of the working end detected by the laser rangefinder (2-2), the second optical load window glass corresponds to the position of the working end detected by the visible light camera (3-2), and the third optical load window glass corresponds to the position of the working end detected by the infrared thermal imager (4-2).

7. The photoelectric turret spherical cabin structure with weak optical axis offset according to claim 3 is characterized in that: The load frame (6) is connected to the support (8-1) via screws.

8. The photoelectric turret spherical cabin structure with weak optical axis offset according to claim 1, characterized in that: The laser rangefinder adapter (2-1), the visible light camera adapter (3-1) and the infrared thermal imager adapter (4-1) are connected to the load frame (6) via screws.

9. The photoelectric turret spherical cabin structure with weak optical axis offset according to claim 5, characterized in that: The front cover, the pitch frame (8-2) and the rear cover assembly (7) are connected via screws.

10. The photoelectric turret spherical cabin structure with weak optical axis offset according to claim 2, characterized in that: The cabin airtight cover (5) is mounted on the pitch frame assembly (8) by means of screws.

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