Image quality detection device, method, equipment and medium for optical system

Abstract

The present invention is an image quality detection device, method, equipment and medium for optical systems. The present invention relates to the field of infrared tracking and beacon light pointing adjustment technology. The present invention moves the relative positions of two turntables by guide rails, and points to the target after reaching the specified beacon light test spacing requirement. After the target is found, the two turntable infrared detectors track it respectively, and emit detection beacon light to the target after the tracking is stable. The light beam of the beacon emission component passes through the turntable through four Coudé mirrors and is emitted. The optical fiber does not move with the turntable, which can effectively solve the technical problems of damage to the optical fiber caused by the long-term rotation of the turntable and the accuracy of multiple optical axes. The distance between the two tracking turntables can be continuously moved, which can increase the detection index while reducing costs.

Description

Technical Field

[0001] The invention relates to the technical field of infrared tracking and beacon light direction adjustment, and is an image quality detection device, method, equipment and medium for an optical system. Background Art

[0002] Two continuously movable infrared tracking and beacon light pointing devices provide the host with beacon light with a maximum distance of 2 meters and a parallelism better than 0.3°. The devices are mainly used to capture and stably track the target under airborne conditions. After successfully tracking the target, they emit actively pointed beacon light.

[0003] The solution needs to meet the tracking requirements under all-weather conditions, and the device needs to have infrared tracking capabilities. In the existing technical solutions, infrared tracking and beacon light emission are placed separately. It is impossible to avoid the large calibration error between infrared tracking and beacon light emission when multiple beacon lights are emitted. In addition, the distance between each beacon light emission unit is fixed and the spacing cannot be continuously adjusted, which limits the detection indicators. Summary of the invention

[0004] In view of the above defects or improvement needs of the prior art, in order to solve the problem that the prior art solutions cannot improve the adjustment error between infrared tracking and beacon light emission and the spacing between multiple beacon light emissions cannot be adjusted, resulting in limited detection indicators, the present invention moves the relative positions of the two turntables through guide rails, and after reaching the specified beacon light test spacing requirement, points to the target. After the target is found, the two turntable infrared detectors track it respectively, and after the tracking is stable, the detection beacon light is emitted to the target.

[0005] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0006] The present invention provides an image quality detection device, method, equipment and medium for an optical system. The present invention provides the following technical solutions:

[0007] An image quality detection device for an optical system, the device comprising: a first tracking turntable, a second tracking turntable, a mounting frame, a vibration damper and a guide rail;

[0008] The first tracking turntable and the second tracking turntable are installed on the guide rail and move linearly along the guide rail. The lower end of the mounting frame is connected to the guide rail, the lower end of the shock absorber is connected to the upper end of the mounting frame, and the upper end of the shock absorber is connected to the aircraft. After the infrared detection components in the first and second tracking turntable units find the target, they track the target respectively.

[0009] Preferably, the first tracking turntable comprises: an infrared detector assembly, four Kude mirrors, and a spherical turntable;

[0010] The infrared detector assembly interprets the target device and then sends the interpretation information to the spherical turntable. The spherical turntable drives the infrared detector assembly to change its posture to complete real-time tracking of the target. The light beam enters through the hole of the spherical turntable and is reflected by four Coudé mirrors.

[0011] Preferably, the first tracking turntable also includes a beacon light emitting unit, which includes: an optical fiber and an optical collimation component. The optical fiber emits light, which passes through the collimation lens component to form a beacon light with a certain beam divergence angle, enters the interior of the turntable through the turntable axis hole, and is reflected by four Kudet mirrors. The beacon light is emitted from the turntable, and the spherical turntable is adjusted through tracking feedback from the infrared detector component to change the direction of light emission.

[0012] Preferably, the incident light of the four Coode mirrors is 45°, which is orthogonal in three-dimensional space. The beacon transmitting assembly emits light, and the light passes through the four Coode mirrors through the spherical turntable and completes the beacon light emission as the turntable's azimuth axis and pitch axis rotate.

[0013] Preferably, the first tracking turntable and the second tracking turntable have the same structure.

[0014] Preferably, the distance between the first tracking turntable and the second tracking turntable is greater than 2 m.

[0015] A method for detecting image quality of an optical system, comprising the following steps:

[0016] Step 1: The target device is interpreted according to the infrared detector component, and then the information is sent to the spherical turntable, which drives the infrared detector component to change its posture to complete real-time tracking of the target;

[0017] Step 2: The light beam enters through the hole of the spherical turntable, and after being reflected by four Coode mirrors, the beacon light passes through the spherical turntable to complete the beacon light emission;

[0018] Step 3: The light beam enters through the hole of the spherical turntable, enters the inside of the turntable through the turntable axis hole, and is reflected by four Coode mirrors. The beacon light is emitted from the turntable. The infrared detector assembly tracks and feedbacks the spherical turntable to change the direction of the light emission.

[0019] Preferably, after the tracking turntable finds the host, it tracks the target and emits beacon light to the target, and moves the relative position of the turntable through the guide rail to point to the target after reaching the specified beacon light test spacing requirement.

[0020] A computer-readable storage medium stores a computer program, which is executed by a processor to implement an image quality detection method for an optical system.

[0021] A computer device comprises a memory and a processor, wherein the memory stores a computer program, and the processor implements an image quality detection method for an optical system when executing the computer program.

[0022] The present invention has the following beneficial effects:

[0023] The present invention adopts a tracking turntable with an infrared detection function to realize tracking. The two tracking turntables can be moved arbitrarily on the guide rail. The beacon light with a certain beam divergence angle is emitted by the collimating mirror assembly, enters the inside of the turntable through the turntable axis hole, and is reflected by four Coode mirrors and emitted from the turntable. This solves the problem that the calibration error between infrared tracking and beacon light emission is large when multiple beacon lights are emitted, and the distance between each beacon light emission assembly is fixed and the spacing cannot be continuously adjusted, resulting in limited detection indicators.

[0024] The beacon emission component beam is emitted through the turntable through four Coudé mirrors. The optical fiber does not move with the turntable, which can effectively solve the technical problems of damage to the optical fiber caused by the long-term rotation of the turntable and the accuracy of multiple optical axes. The distance between the two tracking turntables can be moved continuously, which can increase the detection index while reducing costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific implementation methods of the present invention 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 present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 It is a schematic diagram of the device of the present invention.

[0027] Figure 2 It is a schematic diagram of the tracking turntable composition of the present invention.

[0028] Figure 3 It is a schematic diagram of the composition of the beacon transmitting unit of the present invention. DETAILED DESCRIPTION

[0029] The technical solution of the present invention will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] 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.

[0031] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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.

[0032] 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.

[0033] The present invention is described in detail below in conjunction with specific embodiments. Specific embodiment one:

[0035] according to Figures 1 to 3 As shown, the specific optimization technical solution adopted by the present invention to solve the above technical problems is: the present invention relates to an image quality detection device, method, equipment and medium for an optical system.

[0036] An image quality detection device for an optical system, the device comprises: a first tracking turntable 1, a guide rail 2, a vibration damper 3, a mounting frame 4, and a second tracking turntable 5. The first tracking turntable 1 and the second tracking turntable 5 are respectively located on both sides of the guide rail 2 and can move freely on the guide rail. The distance between the farthest two tracking turntables with infrared detection functions is greater than 2m. The lower end of the vibration damper 3 is connected to the upper end of the mounting frame 4, and the vibration damper 3 is connected to an aircraft. After the two tracking turntables find the host, they track the target and emit beacon light to the target.

[0037] Preferably, the first tracking turntable includes: an infrared detector assembly 1-1, four Coude mirrors 1-2, a beacon light emitting unit 1-3, and a spherical turntable 1-4. The infrared detector assembly 1-1 reads the target device and then sends the information to the spherical turntable 1-4. The spherical turntable 1-4 drives the infrared detector assembly 1-1 to change its posture to complete real-time tracking of the target; the light beam enters through the hole of the spherical turntable and is reflected by the four Coude mirrors 1-2.

[0038] The first tracking turntable has the same structure as the second tracking turntable. The first tracking turntable also includes a beacon light emitting unit 1-3, which includes: an optical fiber 1-3-1 and an optical collimation component 1-3-2. The optical fiber emits light 1-3-1, which passes through the collimation lens component 1-3-2 to form a beacon light with a certain beam divergence angle, enters the turntable through the turntable axis hole, and is reflected by four Kude mirrors. The beacon light is emitted from the turntable, and the spherical turntable is adjusted to change the direction of light emission through the tracking feedback of the infrared detector component. The distance between the first tracking turntable and the second tracking turntable is greater than 2m.

[0039] The incident light of the four Coode mirrors is 45°, which is orthogonal in three-dimensional space. The beacon transmitting assembly emits light, and the light passes through the four Coode mirrors through the spherical turntable and completes the beacon light emission as the turntable's azimuth and pitch axes rotate.

[0040] The present invention provides an image quality detection method for an optical system, comprising the following steps:

[0041] Step 1: The target device is interpreted according to the infrared detector component, and then the information is sent to the spherical turntable, which drives the infrared detector component to change its posture to complete real-time tracking of the target;

[0042] Step 2: The light beam enters through the hole of the spherical turntable, and after being reflected by four Coode mirrors, the beacon light passes through the spherical turntable to complete the beacon light emission;

[0043] Step 3: The light beam enters through the hole of the spherical turntable, enters the inside of the turntable through the turntable axis hole, and is reflected by four Coode mirrors. The beacon light is emitted from the turntable. The infrared detector assembly tracks and feedbacks the spherical turntable to change the direction of the light emission.

[0044] When the tracking turntable finds the host, it tracks the target and emits beacon light to the target. The turntable moves its relative position through the guide rail and points to the target after reaching the specified beacon light test distance requirement.

[0045] The present invention provides a computer-readable storage medium on which a computer program is stored. The program is executed by a processor to implement an image quality detection method for an optical system.

[0046] The present invention provides a computer device, comprising a memory and a processor, wherein the memory stores a computer program, and the processor implements an image quality detection method for an optical system when executing the computer program.

[0047] In the description of this specification, the description of reference terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or N embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction. In addition, the terms "first" and "second" are used only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "N" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined. Any process or method description in the flowchart or otherwise described herein may be understood to represent a module, fragment or portion of code including one or more executable instructions for implementing the steps of a custom logic function or process, and the scope of the preferred embodiment of the present invention includes other implementations, in which the functions may not be performed in the order shown or discussed, including in a substantially simultaneous manner or in a reverse order according to the functions involved, which should be understood by a person skilled in the art of the art to which the embodiments of the present invention belong. The logic and / or steps represented in the flowchart or otherwise described herein, for example, may be considered as a sequenced list of executable instructions for implementing the logic function, and may be specifically implemented in any computer-readable medium for use by an instruction execution system, device or apparatus (such as a computer-based system, a system including a processor or other system that can fetch instructions from an instruction execution system, device or apparatus and execute instructions), or in combination with these instruction execution systems, devices or apparatuses. For the purposes of this specification, "computer-readable medium" may be any device that can contain, store, communicate, propagate or transmit a program for use by an instruction execution system, device or apparatus, or in combination with these instruction execution systems, devices or apparatuses. More specific examples (a non-exhaustive list) of computer-readable media include the following: an electrical connection having one or N wirings (electronic device), a portable computer disk case (magnetic device), a random access memory (RAM), a read-only memory (ROM), an erasable and programmable read-only memory (EPROM or flash memory), a fiber optic device, and a portable compact disk read-only memory (CDROM).In addition, the computer readable medium can even be paper or other suitable medium on which the program can be printed, because the program can be obtained electronically, for example, by optically scanning the paper or other medium, then editing, interpreting or processing in other suitable ways as necessary, and then storing it in a computer memory. It should be understood that the various parts of the present invention can be implemented with hardware, software, firmware, or a combination thereof. In the above-mentioned embodiment, N steps or methods can be implemented with software or firmware stored in a memory and executed by a suitable instruction execution system. For example, if implemented with hardware, as in another embodiment, any one of the following technologies known in the art or their combination can be used to implement: a discrete logic circuit with a logic gate circuit for implementing a logic function for a data signal, a dedicated integrated circuit with a suitable combination of logic gate circuits, a programmable gate array (PGA), a field programmable gate array (FPGA), etc.

[0048] A person of ordinary skill in the art can understand that all or part of the steps carried by the method of the above-mentioned embodiment can be completed by instructing the relevant hardware through a program, and the program can be stored in a computer-readable storage medium, and the program, when executed, includes one or a combination of the steps of the method embodiment. In addition, each functional unit in each embodiment of the present invention can be integrated into a processing module, or each unit can exist physically separately, or two or more units can be integrated into one module. The above-mentioned integrated module can be implemented in the form of hardware or in the form of a software functional module. If the integrated module is implemented in the form of a software functional module and sold or used as an independent product, it can also be stored in a computer-readable storage medium.

[0049] The above is only a preferred embodiment of an image quality detection device, method, equipment and medium for an optical system. The protection scope of an image quality detection device, method, equipment and medium for an optical system is not limited to the above embodiments. All technical solutions under this idea belong to the protection scope of the present invention. It should be pointed out that for those skilled in the art, several improvements and changes without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A method for detecting image quality of an optical system, the method being implemented based on an image quality detection device for an optical system, the device comprising: a first tracking turntable, a second tracking turntable, a mounting frame, a vibration damper and a guide rail; The first tracking turntable and the second tracking turntable are installed on the guide rail and move linearly along the guide rail. The lower end of the mounting frame is connected to the guide rail, the lower end of the shock absorber is connected to the upper end of the mounting frame, and the upper end of the shock absorber is connected to the aircraft. After the infrared detection components in the first and second tracking turntable units find the target, they track the target respectively. The invention is characterized by comprising the following steps: Step 1: The target device is interpreted according to the infrared detector component, and then the information is sent to the spherical turntable, which drives the infrared detector component to change its posture to complete real-time tracking of the target; Step 2: The light beam enters through the hole of the spherical turntable, and after being reflected by four Coode mirrors, the beacon light passes through the spherical turntable to complete the beacon light emission; Step 3: The light beam enters through the hole of the spherical turntable, enters the inside of the turntable through the turntable shaft hole, and is reflected by four Coudé mirrors. The beacon light is emitted from the turntable, and the spherical turntable is adjusted to change the direction of the light emission through tracking feedback of the infrared detector assembly; When the tracking turntable finds the host, it tracks the target and emits beacon light to the target. The turntable moves its relative position through the guide rail and points to the target after reaching the specified beacon light test distance requirement. The first tracking turntable includes: an infrared detector assembly, four Kude mirrors, and a spherical turntable; The infrared detector assembly interprets the target device and then sends the interpretation information to the spherical turntable. The spherical turntable drives the infrared detector assembly to change its posture to complete real-time tracking of the target. The light beam enters through the hole of the spherical turntable and is reflected by four Coudre mirrors. The first tracking turntable also includes a beacon light emitting unit, which includes: an optical fiber and an optical collimation component. The optical fiber emits light, which passes through the collimation lens component to form a beacon light with a certain beam divergence angle, enters the turntable through the turntable shaft hole, and is reflected by four Coudre mirrors. The beacon light is emitted from the turntable, and the infrared detector component tracks and feedbacks to adjust the spherical turntable to change the direction of light emission; The incident light of the four Coode mirrors is 45°, which is orthogonal in three-dimensional space. The beacon emission assembly emits light, and the light passes through the spherical turntable through the four Coode mirrors and completes the beacon light emission as the turntable rotates in azimuth and elevation axes. The first tracking turntable has the same structure as the second tracking turntable; The distance between the first tracking turntable and the second tracking turntable is greater than 2m.

2. A computer-readable storage medium having a computer program stored thereon, characterized in that: The program is executed by a processor to implement an image quality detection method for an optical system as claimed in claim 1.

3. A computer device comprising a memory and a processor, wherein the memory stores a computer program, wherein: When the processor executes the computer program, the image quality detection method for an optical system described in claim 1 is implemented.

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