A test device for laser guidance in multi-field coupling loading under complex environment

By designing a laser guidance test device and combining optical, wind, water mist, haze and light simulation mechanisms, the problem of information accuracy of the seeker in complex environments was solved, and simulation tests of the seeker under multi-field coupling conditions were realized, thus improving the accuracy of the seeker.

CN116294810BActive Publication Date: 2026-02-27ANHUI XINHE DEFENSE TECH JOINT CO LTD +1
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Patent Information

Application Number
CN202310285794.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2023-03-22
Publication Date
2026-02-27
Estimated Expiration
2043-03-22

AI Technical Summary

Technical Problem

In complex environments, it is difficult to accurately determine the detection and tracking information of the seeker, and existing technologies lack effective simulation devices.

Method used

An experimental device for multi-field coupling loading of laser guidance under complex environment was designed, including an optical experimental chamber, a slide rail, a laser rotary table, and simulation mechanisms for wind, water mist, haze, smoke, and light, to simulate the effects of different environmental factors on the seeker.

Benefits of technology

Multi-field coupling loading tests on the seeker were conducted in complex environments, simulating the seeker's performance under different lighting, fog, and airflow conditions, thereby improving the accuracy of the seeker in practical applications.

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Abstract

The application discloses a kind of test devices of laser guidance multi-field coupling loading under complex environment, including environmental test chamber and optical support installed in environmental test chamber, the slide rail is equipped in optical environment test chamber;Rotary table is equipped on optical support, the helical laser beam rotating around the axis of seeker is sent to the length direction of slide rail by laser rotary table;Wind force simulation mechanism, water mist simulation mechanism, smoke simulation mechanism, illumination simulation mechanism and haze simulation mechanism are equipped in optical environment test chamber, the seeker can be slid forward and backward on the slide rail in the present application, the complex environment in actual seeker working process is simulated by wind force simulation mechanism, water mist simulation mechanism, smoke simulation mechanism, illumination simulation mechanism and haze simulation mechanism, and loading test is facilitated in complex environment for seeker.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of projectile loading simulation related experiments, and particularly relates to a test device for laser guidance multi-field coupling loading in a complex environment. BACKGROUND

[0002] A device for measuring the motion parameters of a target relative to a guided weapon and generating guidance information is installed on the head of the guided weapon. The seeker receives the energy radiated or reflected by the target to measure the relative position information of the guided weapon flying towards the target and form a guidance command. It is the core device of the guided weapon for detecting and tracking the target and generating attitude adjustment parameters. The precise guidance of the guided weapon can be realized, and the seeker plays a decisive role.

[0003] However, in the actual projectile operation process, it will encounter different light, haze, water vapor, airflow and other environmental factors. How to determine the detection and tracking information of the seeker in the complex environment, therefore, an experimental device for laser guidance multi-field coupling loading in a complex environment is needed to simulate the complex environment of the seeker operation. SUMMARY

[0004] To solve the technical problems in the background art, the present application provides a test device for laser guidance multi-field coupling loading in a complex environment.

[0005] The test device for laser guidance multi-field coupling loading in a complex environment provided by the present application comprises an optical environment experimental chamber and an optical support arranged in the experimental chamber. A slide rail is arranged transversely in the optical environment experimental chamber. A laser rotating table is arranged on the optical support. The laser rotating table emits a spiral laser beam outside the slide rail in the length direction of the slide rail. If a seeker is arranged on the slide rail, the laser rotating table emits a spiral laser beam rotating around the axis of the seeker in the length direction of the slide rail.

[0006] A wind simulation mechanism, a water mist simulation mechanism, a smoke simulation mechanism, a light simulation mechanism and a haze simulation mechanism are arranged in the optical environment experimental chamber. The light simulation mechanism emits light in the direction of the slide rail. The wind simulation mechanism blows air in the direction of the slide rail. The water mist simulation mechanism sprays water vapor in the direction of the slide rail. The haze simulation mechanism blows haze in the direction of the slide rail. The smoke simulation mechanism blows smoke in the direction of the slide rail.

[0007] In the working process, the laser rotating table emits a spiral laser beam to form a guidance light beam. The wind simulation mechanism, the water mist simulation mechanism and the haze simulation mechanism blow air, water vapor and haze in the direction of the slide rail, respectively. The light simulation mechanism projects light in the direction of the slide rail. The seeker receives the guidance light beam information under the complex environmental light beam to simulate the multi-field coupling loading test of the seeker in the complex environment.

[0008] As a further optimized scheme of the present application, the optical environment test chamber further comprises a cover, the cover is arranged outside the slide rail, the wind simulation mechanism, the water mist simulation mechanism, the light simulation mechanism and the haze simulation mechanism are arranged outside the cover, and the length of the cover is less than the length of the slide rail.

[0009] As a further optimized scheme of the present application, the laser rotating table comprises a mounting portion, a rotating disc and a laser emitter, the mounting portion is mounted on the optical support, the rotating disc is transversely mounted on the mounting portion, the axis of rotation of the rotating disc is parallel to the length direction of the slide rail, the laser emitter is mounted on the end of the rotating disc opposite to the slide rail, and the laser emitter is offset from the axis of rotation of the rotating disc.

[0010] Preferably, a guide head is arranged on the slide rail and the axis of the guide head is coincident with the axis of rotation of the rotating disc.

[0011] Preferably, the height of the laser rotating table on the optical support is adjustable.

[0012] Preferably, the light simulation mechanism comprises two groups, and the two groups of light simulation mechanisms are arranged on the two sides of the slide rail.

[0013] Preferably, the light simulation mechanism comprises a support and a light emitter, the support is mounted in the optical environment test chamber and arranged on one side of the slide rail, the support has an arc-shaped track, the light emitter is mounted on the arc-shaped track, and the position of the light emitter on the arc-shaped track is adjustable.

[0014] Preferably, the arc-shaped track is outwardly convex relative to the slide rail.

[0015] Preferably, the light simulation mechanism is slidingly mounted in the optical environment test chamber, and the light simulation mechanism can slide along the length direction of the slide rail.

[0016] Preferably, the distance between the laser rotating table and the slide rail is adjustable.

[0017] In the present application, the test device for laser guidance in complex environment and multi-field coupling loading is proposed, the guide head slides on the slide rail, the laser rotating table simulates the spiral guidance light beam, the wind simulation mechanism, the water mist simulation mechanism, the smoke simulation mechanism, the light simulation mechanism and the haze simulation mechanism simulate the complex environment of the guide head, and the loading test of the guide head is facilitated.

[0018] Additional aspects and advantages of the present application will be in part apparent and in part pointed out hereinafter. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural diagram of the present application;

[0020] Figure 2 is a front view of the present application;

[0021] Figure 3 is a top view of the present application;

[0022] Figure 4 is a right view of the present application;

[0023] Figure 5 is a structural diagram of a laser rotating table of the present application;

[0024] Figure 6 is a structural diagram of a spiral laser beam generating device of the present application;

[0025] In the figure: 1, optical environment experimental chamber; 2, slide rail; 3, laser rotating table; 30, mounting portion; 31, rotating disc; 32, laser emitting element; 4, guide head; 5, optical support; 6, wind simulation mechanism; 7, water mist simulation mechanism; 8, light simulation mechanism; 80, support; 81, light element; 9, haze simulation mechanism; 10, smoke simulation mechanism; 11, cover body. DETAILED DESCRIPTION

[0026] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar symbols represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are only used to explain the present application, and cannot be understood as a limitation of the present application.

[0027] As Figures 1-4 shown in the figure, the test device for laser guidance in complex environment multi-field coupling loading includes an optical environment experimental chamber 1 and an optical support 5 installed in the optical experimental chamber 1, and the optical environment experimental chamber 1 is transversely provided with a slide rail 2; the optical support 5 is provided with a laser rotating table 3, and the laser rotating table 3 emits a spiral laser beam (as shown in the figure) located outside the slide rail 2 in the length direction of the slide rail 2. Figure 5

[0028] Specifically, the laser rotating table 3 includes a mounting portion 30, a rotating disc 31 and a laser emitting element 32, wherein the mounting portion 30 is installed on the optical support 5, the rotating disc 31 is transversely installed on the mounting portion 30, and the axis of rotation of the rotating disc 31 relative to the mounting portion 30 is parallel to the length direction of the slide rail 2, the laser emitting element 32 is installed on the end of the rotating disc 31 opposite to the slide rail 2, and the laser emitting element 32 deviates from the axis of rotation of the rotating disc 31 relative to the rotating disc 31, and the rotating disc 31 is provided with a motor, and the motor drives the rotating disc 31 to rotate; the laser emitting element 32 can be a laser pen in the prior art;​

[0029] Preferably, a guide head 4 is arranged on the slide rail 2, and an axis of the guide head 4 coincides with an axis of the rotating disc 31.

[0030] Preferably, the laser rotating table 3 is adjustable in height of the optical support 5, so as to adjust the axis of the rotating disc 31 to coincide with the axis of the guide head 4 on the slide rail 2; the mounting portion 30 is a mounting plate, and the mounting portion 30 is vertically slidably arranged on the optical support 5, and the mounting portion 30 is fixed on the optical support 5 by a fixing screw or a fixing pin, so as to adjust the height of the laser rotating table 3 in the optical environment experiment cabin 1.

[0031] Preferably, the distance between the laser rotating table 3 and the slide rail 2 is adjustable, specifically, the optical support 5 is slidably arranged in the optical environment experiment cabin 1, and a displacement of the optical support 5 relative to the optical environment experiment cabin 1 is parallel to the slide rail 2, and the optical support 5 is fixed in the optical environment experiment cabin 1 by a fixing pin or a fixing nail.

[0032] The optical environment experiment cabin 1 is provided with a wind simulation mechanism 6, a water mist simulation mechanism 7, a light simulation mechanism 8 and a haze simulation mechanism 9, the light simulation mechanism 8 emits light to the slide rail 2, the wind simulation mechanism 6 blows air to the slide rail 2, the water mist simulation mechanism 7 sprays water vapor to the slide rail 2, and the haze simulation mechanism 9 blows haze to the slide rail 2.

[0033] Specifically, the wind simulation mechanism 6 can be a blower, the water mist simulation mechanism 7 can be a steam that is sprayed to the slide rail 2 through a pipeline and a spray head in the prior art, and the haze simulation mechanism 9 can spray haze to the slide rail 2 through a pipeline, preferably, a smoke simulation mechanism 10 is further arranged, the smoke simulation mechanism 10 blows smoke to the slide rail 2, and the smoke can be blown to the slide rail 2 through a pipeline.

[0034] The optical environment experiment cabin 1 is further provided with a cover body 11, the cover body 11 covers the outside of the slide rail 2, the wind simulation mechanism 6, the water mist simulation mechanism 7, the light simulation mechanism 8 and the haze simulation mechanism 9 are located outside the cover body 11, a length of the cover body 11 is less than a length of the slide rail 2, and different environments of the guide head 4 are further simulated.

[0035] Preferably, the light simulation mechanism 8 is provided with two groups, and the two groups of light simulation mechanisms 8 are distributed on two sides of the slide rail 2.

[0036] Preferably, the light simulation mechanism 8 comprises a bracket 80 and a light 81, the bracket is installed in the optical environment experiment chamber 1 and located at one side of the slide rail 2, the bracket 80 has an arc-shaped track, the light 81 is installed on the arc-shaped track, the position of the light 81 on the arc-shaped track is adjustable, specifically, the light 81 can emit light with different spectra and different strengths, and the light angle of the light 81 to the slide rail 2 is adjusted by changing the position of the light 81 on the arc-shaped track; preferably, the arc-shaped track is convex outward relative to the slide rail 2.

[0037] Preferably, the light simulation mechanism 8 is slidingly installed in the optical environment experiment chamber 1, and the light simulation mechanism 8 can slide along the length direction of the slide rail 2.

[0038] In the working process, the laser rotating table 3 emits a spiral laser beam rotating around the axis of the seeker 4, the wind simulation mechanism 6, the water mist simulation mechanism 7, the smoke simulation mechanism 10, the haze simulation mechanism 9 respectively blow air flow, smoke, water vapor and haze to the direction of the slide rail 2, the light simulation mechanism 8 projects light to the direction of the slide rail 2, and the seeker 4 simulates the multi-field coupling loading test of the seeker 4 in the complex environment through the guidance light beam information received under the complex environment light beam.

[0039] It should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0040] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection or communication with each other; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] In the present application, unless otherwise explicitly specified and limited, a first feature is "on" or "under" a second feature can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature is "over", "above" and "on top of" the second feature can be that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. The first feature is "under", "below" and "underneath" the second feature can be that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is horizontally lower than the second feature.

[0042] The above description is merely preferred specific embodiments of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art, according to the technical range disclosed in the present application and the inventive concept, should be covered within the protection scope of the present application.

Claims

1. A test device for laser guidance in a complex environment under multi-field coupling loading, characterized in that, The optical environment experiment cabin (1) is provided with a slide rail (2) transversely inside; the optical support (5) is provided with a laser rotating table (3), and the laser rotating table (3) emits a spiral laser beam outside the slide rail (2) towards the length direction of the slide rail (2); The optical environment experiment cabin (1) is provided with a wind force simulation mechanism (6), a water mist simulation mechanism (7), a smoke simulation mechanism (10), an illumination simulation mechanism (8) and a haze simulation mechanism (9); the illumination simulation mechanism (8) emits illumination towards the slide rail (2); the wind force simulation mechanism (6) blows air flow towards the slide rail (2); the water mist simulation mechanism (7) sprays water vapor towards the slide rail (2); the haze simulation mechanism (9) blows haze towards the slide rail (2); and the smoke simulation mechanism (10) blows smoke towards the slide rail (2); The laser rotating table (3) comprises a mounting portion (30), a rotating disc (31) and a laser emitting element (32); the mounting portion (30) is mounted on the optical support (5); the rotating disc (31) is transversely rotatably mounted on the mounting portion (30), and the axis of rotation of the rotating disc (31) relative to the mounting portion (30) is parallel to the length direction of the slide rail (2); and the laser emitting element (32) is mounted on one end of the rotating disc (31) opposite to the slide rail (2), and the laser emitting element (32) is offset from the axis of rotation of the rotating disc (31). A guide head (4) is slidably arranged on the slide rail (2), and the axis of the guide head (4) coincides with the axis of rotation of the rotating disc (31).

2. The test device of claim 1, wherein the laser guidance in complex environment multi-field coupling loading is characterized in that, The optical environment experiment cabin (1) is further provided with a cover body (11) covering outside the slide rail (2); the wind force simulation mechanism (6), the water mist simulation mechanism (7), the illumination simulation mechanism (8) and the haze simulation mechanism (9) are located outside the cover body (11); and the length of the cover body (11) is less than the length of the slide rail (2).

3. The test device of claim 1, wherein the laser guidance in complex environment multi-field coupling loading is characterized in that, The height of the laser rotating table (3) on the optical support (5) is adjustable.

4. The test device for laser guidance in multi-field coupling loading under complex environment according to claim 1, characterized in that, Two groups of the illumination simulation mechanism (8) are arranged on both sides of the slide rail (2).

5. The test device for laser guidance in multi-field coupling loading under complex environment according to claim 1, characterized in that, The illumination simulation mechanism (8) comprises a support (80) and an illumination element (81); the support (80) is mounted in the optical environment experiment cabin (1) and located on one side of the slide rail (2); the support (80) has an arc-shaped track; the illumination element (81) is mounted on the arc-shaped track; and the position of the illumination element (81) on the arc-shaped track is adjustable.

6. The test device of claim 5, wherein, The arc-shaped track is outwardly convex relative to the slide rail (2).

7. The test device for laser guidance in multi-field coupling loading under complex environment according to claim 1, characterized in that, The illumination simulation mechanism (8) is slidably mounted in the optical environment experiment cabin (1), and the illumination simulation mechanism (8) can slide along the length direction of the slide rail (2).

8. The test device for laser guidance in multi-field coupling loading under complex environment according to claim 1, characterized in that, The distance between the laser rotating table (3) and the slide rail (2) is adjustable.

Citation Information

Patent Citations

  • Test device for multi-field coupling loading of laser guidance in complex environment

    CN219996007U