An analog device for simulating the change of target infrared radiation and attitude micro-movement

Abstract

The present invention discloses a simulation device for target infrared radiation change and attitude micro-movement, which includes a target, a temperature controller module, a temperature measuring device module, a spin motor speed regulator module, and a conical spin motor speed regulator module. A heating sheet is arranged inside the target, and a temperature measuring resistor is connected to one side of the heating sheet. The bottom of the target is connected to a target base, and the bottom end of the target base is connected to a conductive slip ring fixing base I. A conductive slip ring I is arranged in the conductive slip ring fixing base I, and one side of the conductive slip ring fixing base I is connected to a motor end cover I. The bottom end of the motor end cover I is connected to a spin motor fixing rod. The conductive slip ring fixing base I, the motor end cover I, and the spin motor fixing rod are fixedly connected by screws. The simulation device for target infrared radiation change and attitude micro-movement disclosed by the present invention has the effect of being able to simulate the infrared radiation change and attitude micro-movement of a space flight target.

Description

Technical Field

[0001] The present invention relates to the technical field of simulation, and in particular to a simulation device for target infrared radiation change and attitude micro-motion. Background Art

[0002] The types of space flight targets are diverse. Some flight target groups are composed of a mixture of real targets with destructiveness and false targets with confusing properties. Among them, real targets may pose a safety hazard to satellites, space stations, etc. Identifying real targets from the flight target group and taking certain avoidance measures are particularly important for ensuring the safe operation of space stations and satellites. Using the temperature characteristics and micro-motion characteristics of targets for target recognition is one of the main directions.

[0003] When a target flies in space, radiation exchange occurs between the target body and the space environment, resulting in changes in the internal energy and temperature of the target, and thus causing similar changes in the infrared radiation of the target. Different targets have different temperature and its change rate due to different material density, specific heat capacity, emissivity, absorptivity, etc. Generally speaking, a target with a fast internal energy change and a small internal energy has a fast temperature change and a small absolute temperature value, while a target with a slow internal energy change and a large internal energy has a slow temperature change and a large absolute temperature value. This leads to differences in the infrared radiation level and change rate of different space targets. According to the infrared radiation change of the target, the temperature characteristics can be extracted by using the band temperature measurement technology, which provides an important feature for distinguishing different space targets.

[0004] Space targets flying outside the atmosphere will generate conical rotation, spin, and tumbling under the action of disturbing torques. The rate and amplitude of micro-motion are usually determined by physical property characteristics such as the mass distribution and shape of the target, which are inherent motion forms of the target and will not change due to changes in the external environment. To ensure the stable flight and accurate pointing of real targets, real targets usually preset spin angular momentum. This is because targets with spin stability have simple control and strong anti-interference ability. During the release process, real targets will inevitably be impacted by disturbing torques, and the direction of the warhead angular momentum vector will be transversely disturbed to generate precession. Precession mainly includes spin motion and conical rotation motion, which are regular. For false targets such as space debris, due to the lack of preset angular momentum and attitude control equipment, false targets usually undergo random tumbling motion due to unbalanced forces when thrown, forming different micro-motion phenomena, and the true and false targets can be identified by relying on micro-motion characteristics. Micro-motion will cause periodic changes in the infrared radiation characteristics of the target. Therefore, if the changes in the infrared radiation characteristics and micro-motion characteristics of the target can be measured, the true and false targets can be distinguished and identified based on these characteristics. However, there is currently no device that can simultaneously simulate the changes in the infrared radiation characteristics and attitude micro-motion of space targets. Summary of the Invention

[0005] The present invention discloses a simulation device for the change of target infrared radiation and attitude micro-motion, aiming to solve the technical problem that the change of infrared radiation characteristics and the change of attitude micro-motion of a space target cannot be simulated simultaneously.

[0006] To achieve the above object, the present invention adopts the following technical solutions:

[0007] A simulation device for the change of target infrared radiation and attitude micro-motion includes a target, a temperature controller module, a temperature measuring device module, a spin motor speed regulator module and a conical spin motor speed regulator module. A heating sheet is arranged inside the target, and a temperature measuring resistor is connected to one side of the heating sheet. The bottom of the target is connected to a target base, and the bottom end of the target base is connected to a first conductive slip ring fixing seat. A first conductive slip ring is arranged in the first conductive slip ring fixing seat, and one side of the first conductive slip ring fixing seat is connected to a first motor end cover. The bottom end of the first motor end cover is connected to a spin motor fixing rod. The first conductive slip ring fixing seat, the first motor end cover and the spin motor fixing rod are fixedly connected by screws. A spin motor is arranged in the middle of the spin motor fixing rod. An intermediate connecting rod is clamped at the bottom of the spin motor fixing rod. One end of the intermediate connecting rod is movably connected to an adjustable second connecting piece. A connecting piece is arranged at the bottom end of the adjustable second connecting piece. A second conductive slip ring and a second conductive slip ring fixing seat are connected to the bottom of the connecting piece. The second conductive slip ring is arranged inside the second conductive slip ring fixing seat. The bottom end of the second conductive slip ring fixing seat is connected to a second motor end cover. A conical spin motor is connected to the bottom end of the second motor end cover.

[0008] By providing a heating sheet and a temperature controller module, the temperature change of the space target is regulated in real time according to the heating sheet and the temperature controller module, so that the heating process and the cooling process of the target can be simulated, and at the same time, the temperature value of the target can be viewed in real time. By providing a spin motor and a conical spin motor, the spin motion and conical spin motion of the target are realized. The micro-motion of the space target can simulate both the spin and the conical spin at the same time, or can simulate any one of the micro-motions separately. The rate of the micro-motion can be regulated in real time according to the speed regulator module, so as to achieve the purpose of being able to simulate the change of infrared radiation and the attitude micro-motion of a space flight target.

[0009] In a preferred embodiment, a circular small base is simultaneously connected to the bottom end of the second motor end cover. The conical rotation motor is disposed inside the circular small base. The bottom end of the circular small base is connected to a circular large base. The outer wall of the heating sheet is evenly adhered to the inner wall of the target. The heating sheet is connected to a signal line, and the signal line of the heating sheet is connected to the temperature controller module through the first slip ring and the second slip ring. The temperature measuring resistor is connected to a signal line, and the signal line of the temperature measuring resistor is connected to the temperature measuring device module through the first slip ring and the second slip ring. One end of the intermediate connecting rod is provided with an adjustable connector I, and the adjustable connector I is movably clamped with the adjustable connector II.

[0010] By providing the adjustable connector I and the adjustable connector II, by adjusting the included angle between the adjustable connector I and the adjustable connector II, the adjustment function of the conical rotation angle can be satisfied, thereby realizing the adjustment of the target micro-movement angle, and the adjustable angle range can reach 0 - 90°.

[0011] In a preferred embodiment, the first slip ring includes a rotor end. The target base is fixedly connected to the rotor end of the first slip ring through a circular ring sleeve. One end of the self-rotating motor shaft sleeve is connected to a motor and is connected to the motor shaft of the motor. The other end of the self-rotating motor shaft sleeve is inserted into the first slip ring through the first motor end cover. Four arm holes are provided on each side of the bottom of the self-rotating motor fixing rod. Three pairs of equally spaced arm holes are provided on the top of the intermediate connecting rod. The self-rotating motor fixing rod is fixedly connected to the arm holes of the intermediate connecting rod through any two arm holes. The second slip ring fixing seat, the second motor end cover, and the circular small base are fixedly connected by screws. The conical rotation motor includes an output shaft, and the output shaft of the conical rotation motor is connected to the inside of the second slip ring through the second motor end cover.

[0012] By providing the first slip ring and the second slip ring, the use of the first slip ring and the second slip ring solves the problem of real-time transmission of power supply and control signals of the heating sheet, the temperature controller module, the temperature measuring device module, the self-rotating motor, and the conical rotation motor during the rotation process, and avoids the phenomenon of wire entanglement during the rotation process.

[0013] In a preferred embodiment, the shape of the target can be a flat-bottomed cone, a column-bottomed cone, a spherical-bottomed cone, a cylinder, or a sphere. The outer surface material of the target can be aluminum alloy, aluminum film, polyimide second surface mirror, or black film.

[0014] The target position is fixed by the target base, enabling the target to be disassembled and replaced. Moreover, the target base can adapt to different target shapes. The available target shapes are: flat-bottomed cone, column-bottomed cone, ball-bottomed cone, cylinder, and sphere. It can also load targets with different outer surfaces for simulation. The available outer surface materials are: aluminum alloy, aluminum film, polyimide second-surface mirror, and black film, realizing the diversification of the types of outer materials of the simulated space target and expanding the adaptation range.

[0015] As can be seen from the above, a simulation device for target infrared radiation change and attitude micro-movement includes a target, a temperature controller module, a temperature measuring module, a spin motor speed regulator module, and a conical spin motor speed regulator module. A heating sheet is arranged inside the target, and a temperature measuring resistor is connected to one side of the heating sheet. The bottom of the target is connected to a target base. The bottom end of the target base is connected to a conductive slip ring fixing seat I, in which a conductive slip ring I is arranged. One side of the conductive slip ring fixing seat I is connected to a motor end cover I. The bottom end of the motor end cover I is connected to a spin motor fixing rod. The conductive slip ring fixing seat I, the motor end cover I, and the spin motor fixing rod are fixedly connected by screws. A spin motor is arranged in the middle of the spin motor fixing rod. The bottom of the spin motor fixing rod is clamped with an intermediate connecting rod. One end of the intermediate connecting rod is movably connected to an adjustable connecting part II. The bottom end of the adjustable connecting part II is provided with a connecting part. The bottom of the connecting part is connected to a conductive slip ring II and a conductive slip ring fixing seat II. The conductive slip ring II is arranged inside the conductive slip ring fixing seat II. The bottom end of the conductive slip ring fixing seat II is connected to a motor end cover II. The bottom end of the motor end cover II is connected to a conical spin motor. The simulation device for target infrared radiation change and attitude micro-movement provided by the present invention has the technical effect of being able to simulate the infrared radiation change and attitude micro-movement of a space flight target. Brief Description of the Drawings

[0016] Figure 1 It is a schematic diagram of the main structure of a simulation device for target infrared radiation change and attitude micro-movement proposed by the present invention.

[0017] Figure 2 It is a schematic diagram of the internal structure of the target of a simulation device for target infrared radiation change and attitude micro-movement proposed by the present invention.

[0018] Figure 3 It is a structural diagram of the actual model of a simulation device for target infrared radiation change and attitude micro-movement proposed by the present invention.

[0019] Figure 4 It is a schematic diagram of the main structural parts of the target and the spin motor of a simulation device for target infrared radiation change and attitude micro-movement proposed by the present invention.

[0020] In the figure: 1. Target; 2. Heating sheet; 3. Temperature measuring resistor; 4. Target base; 5. Conductive slip ring 1; 6. Conductive slip ring fixing seat 1; 7. Motor end cover 1; 8. Spinning motor; 9. Spinning motor fixing rod; 10. Intermediate connecting rod; 11. Adjustable connecting piece 1; 12. Adjustable connecting piece 2; 13. Connecting piece; 14. Conductive slip ring 2; 15. Conductive slip ring fixing seat 2; 16. Motor end cover 2; 17. Tapered spinning motor; 18. Circular small base; 19. Circular large base; 20. Temperature controller module; 21. Temperature measuring module; 22. Spinning motor speed regulator module; 23. Tapered spinning motor speed regulator module; 24. Circular ring sleeve; 25. Spinning motor shaft sleeve. Detailed implementation mode

[0021] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0022] A simulation device for target infrared radiation change and attitude micro-motion disclosed by the present invention is mainly applied to verify the scenarios of target infrared radiation change and attitude micro-motion in space flight.

[0023] Refer to Figures 1-4 , a simulation device for target infrared radiation change and attitude micro-motion, includes a target 1, a temperature controller module 20, a temperature measuring module 21, a spinning motor speed regulator module 22, and a tapered spinning motor speed regulator module 23. A heating sheet 2 is arranged inside the target 1, and a temperature measuring resistor 3 is connected to one side of the heating sheet 2. The bottom of the target 1 is connected to a target base 4, and the bottom end of the target base 4 is connected to a conductive slip ring fixing seat 1 6. A conductive slip ring 1 5 is arranged in the conductive slip ring fixing seat 1 6, and one side of the conductive slip ring fixing seat 1 6 is connected to a motor end cover 1 7. The bottom end of the motor end cover 1 7 is connected to a spinning motor fixing rod 9. The conductive slip ring fixing seat 1 6, the motor end cover 1 7, and the spinning motor fixing rod 9 are fixedly connected by screws. A spinning motor 8 is arranged in the middle of the spinning motor fixing rod 9. The bottom of the spinning motor fixing rod 9 is clamped with an intermediate connecting rod 10. One end of the intermediate connecting rod 10 is movably connected to an adjustable connecting piece 2 12. The bottom end of the adjustable connecting piece 2 12 is provided with a connecting piece 13. The bottom of the connecting piece 13 is connected to a conductive slip ring 2 14 and a conductive slip ring fixing seat 2 15. The conductive slip ring 2 14 is arranged inside the conductive slip ring fixing seat 2 15. The bottom end of the conductive slip ring fixing seat 2 15 is connected to a motor end cover 2 16. The bottom end of the motor end cover 2 16 is connected to a tapered spinning motor 17.

[0024] Refer to Figure 1, in a preferred embodiment, a circular small base 18 is connected to the bottom end of the second motor end cover 16, a conical rotation motor 17 is disposed inside the circular small base 18, and a circular large base 19 is connected to the bottom end of the circular small base 18.

[0025] Refer to Figure 1 and Figure 2 , in a preferred embodiment, the outer wall of the heating sheet 2 is evenly pasted on the inner wall of the target 1. The heating sheet 2 is connected with a signal line, and the signal line of the heating sheet 2 is connected to the temperature controller module 20 through the first conductive slip ring 5 and the second conductive slip ring 14. The temperature measuring resistor 3 is connected with a signal line, and the signal line of the temperature measuring resistor 3 is connected to the temperature measuring device module 21 through the first conductive slip ring 5 and the second conductive slip ring 14.

[0026] Refer to Figure 1 , in a preferred embodiment, an adjustable connector one 11 is disposed at one end of the intermediate connecting rod 10, and the adjustable connector one 11 is movably clamped with the adjustable connector two 12.

[0027] Refer to Figure 1 and Figure 4 , in a preferred embodiment, the first conductive slip ring 5 includes a rotor end, and the target base 4 is fixedly connected to the rotor end of the first conductive slip ring 5 through a circular ring sleeve 24.

[0028] Refer to Figure 4 , in a preferred embodiment, one end of the spin motor shaft sleeve 25 is connected to a motor and is connected to the motor shaft of the motor. The other end of the spin motor shaft sleeve 25 is inserted into the first conductive slip ring 5 through the first motor end cover 7.

[0029] Refer to Figure 1 , in a preferred embodiment, four arm holes are provided on each side of the bottom of the spin motor fixing rod 9, and three pairs of equally spaced arm holes are provided on the top of the intermediate connecting rod 10. The spin motor fixing rod 9 is fixedly connected to the arm holes of the intermediate connecting rod 10 through any two arm holes.

[0030] Refer to Figure 1 , in a preferred embodiment, the second conductive slip ring fixing seat 15, the second motor end cover 16, and the circular small base 18 are fixedly connected by screws. The conical rotation motor 17 includes an output shaft, and the output shaft of the conical rotation motor 17 is connected to the inside of the second conductive slip ring 14 through the second motor end cover 16.

[0031] Working principle: The installation method of all signal lines is as follows: The signal lines of the temperature controller module 20, the temperature measuring device module 21, the heating sheet 2, the spin motor speed regulator module 22, the conical spin motor speed regulator module 23, the power supply line of the spin motor 8, and the power supply line of the conical spin motor 17 enter the side of the circular small base 18. Among them, the power supply line of the conical spin motor 17 and the signal line of the conical spin motor speed regulator module 23 are connected to the conical spin motor 17; the remaining lines enter through the stator end of the second slip ring 14 and are led out from the rotor end of the second slip ring 14, pass through the inside of the connecting piece 13, the inside of the adjustable connecting piece 1, the inside of the adjustable connecting piece 2, and the intermediate connecting rod 10, and enter the side of the spin motor fixing rod 9. Among them, the signal line of the spin motor speed regulator module 22 and the power supply line of the spin motor 8 are connected to the spin motor 8; the remaining lines enter through the stator end of the first slip ring 5 and are led out from the rotor end of the first slip ring 5, and are connected to the heating sheet 2 and the temperature measuring resistor 3 through the inside of the target base 4.

[0032] During use, the heating sheet 2 inside the target 1 is connected to the temperature controller module 20. By setting the value of the temperature controller 20, the temperature increase process of the target 1 is realized. When the set temperature value is reached, the power of the heating sheet 2 remains stable, so that the temperature of the target 1 remains unchanged and reaches an equilibrium state. When the power supply of the heating sheet 2 is turned off or the set temperature value of the temperature controller 20 is lowered, the temperature of the target 1 will gradually decrease, simulating the temperature decrease process of the target 1. At the same time, the heating sheet 2, the temperature measuring resistor 3, and various signal lines are placed inside the target 1. Due to the limited internal space, the heating sheet 2 should be pasted on the inner wall of the target 1 as evenly as possible, which not only makes full use of the space but also ensures good heating uniformity. In addition, the spin motor 8 drives the circular ring sleeve 24, the target base 4, the target 1, and the internal objects to rotate through the motor shaft sleeve 25, and the speed is controllable, realizing the spin motion of the target 1 around the spin axis within the set speed range. The speed of the spin motor 8 and the rotation direction of the target 1 are set by the spin motor speed regulator module 22, realizing the clockwise and counterclockwise spin motions of the target 1; the conical spin motor 17 drives the connecting piece 1, the adjustable connecting piece 2, the adjustable connecting piece 1, the intermediate connecting rod 10, the spin motor fixing rod 9, the target 1, and the internal objects to rotate through the motor shaft sleeve, and the speed is controllable, realizing the conical spin motion of the target 1 around the conical spin axis within the set speed range. The speed and rotation direction of the conical spin motor 17 are set by the conical spin motor speed regulator module 23, realizing the clockwise and counterclockwise conical spin motions; by adjusting the included angle between the adjustable connecting piece 1 and the adjustable connecting piece 2, the adjustment function of the conical spin angle can be satisfied. In addition, the use of the first slip ring 5 and the second slip ring 14 solves the problem of real-time transmission of the power supply and control signals of the heating sheet 2, the temperature controller module 20, the temperature measuring device module 21, the spin motor 8, and the conical spin motor 17 during the rotation process, avoiding the phenomenon of wire entanglement during the rotation process.

[0033] As described above, it is only the preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent replacements or changes should be covered within the protection scope of the present invention.

Claims

1. An analog device for target infrared radiation change and attitude micro-motion, comprising a target (1), a temperature controller module (20), a temperature thermometer module (21), a spin motor speed regulator module (22), and a conical spin motor speed regulator module (23), characterized in that, Inside the target (1), a heating sheet (2) is provided, and a temperature measuring resistor (3) is connected to one side of the heating sheet (2). The bottom of the target (1) is connected to a target base (4). The bottom end of the target base (4) is connected to a first conductive slip ring fixing seat (6). A first conductive slip ring (5) is arranged in the first conductive slip ring fixing seat (6). One side of the first conductive slip ring fixing seat (6) is connected to a first motor end cover (7). The bottom end of the first motor end cover (7) is connected to a self-rotating motor fixing rod (9). The first conductive slip ring fixing seat (6), the first motor end cover (7), and the self-rotating motor fixing rod (9) are fixedly connected by screws. A self-rotating motor (8) is arranged in the middle of the self-rotating motor fixing rod (9). The bottom of the self-rotating motor fixing rod (9) is clamped with an intermediate connecting rod (10). One end of the intermediate connecting rod (10) is movably connected to an adjustable connector two (12). The bottom end of the adjustable connector two (12) is provided with a connector (13). The bottom of the connector (13) is connected to a second conductive slip ring (14) and a second conductive slip ring fixing seat (15). The second conductive slip ring (14) is arranged inside the second conductive slip ring fixing seat (15). The bottom end of the second conductive slip ring fixing seat (15) is connected to a second motor end cover (16). The bottom end of the second motor end cover (16) is connected to a conical rotation motor (17).

2. The simulation device for target infrared radiation change and attitude micro-movement according to claim 1, characterized in that The bottom end of the second motor end cover (16) is simultaneously connected to a circular small base (18). The conical rotation motor (17) is arranged inside the circular small base (18). The bottom end of the circular small base (18) is connected to a circular large base (19).

3. The simulation device for target infrared radiation change and attitude micro-motion according to claim 1, characterized in that, The outer wall of the heating sheet (2) is evenly pasted on the inner wall of the target (1). The heating sheet (2) is connected with a signal wire, and the signal wire of the heating sheet (2) is connected to a temperature controller module (20) through the first conductive slip ring (5) and the second conductive slip ring (14). The temperature measuring resistor (3) is connected with a signal wire, and the signal wire of the temperature measuring resistor (3) is connected to a temperature measuring device module (21) through the first conductive slip ring (5) and the second conductive slip ring (14).

4. The simulation device for target infrared radiation change and attitude micro-motion according to claim 1, characterized in that One end of the intermediate connecting rod (10) is provided with an adjustable connector one (11). The adjustable connector one (11) is movably clamped with the adjustable connector two (12).

5. The simulation device for target infrared radiation change and attitude micro-motion according to claim 1, characterized in that, The first conductive slip ring (5) includes a rotor end. The target base (4) is fixedly connected to the rotor end of the first conductive slip ring (5) through a circular ring sleeve (24).

6. The simulation device for target infrared radiation change and attitude micro-motion according to claim 5, characterized in that, One end of a self-rotating motor shaft sleeve (25) is connected to a motor and is connected to the motor shaft of the motor. The other end of the self-rotating motor shaft sleeve (25) is embedded into the first conductive slip ring (5) through the first motor end cover (7).

7. The simulation device for target infrared radiation change and attitude micro-motion according to claim 1, characterized in that, Four arm holes are arranged on each side of the bottom of the self-rotating motor fixing rod (9). Three pairs of equally spaced arm holes are arranged at the top of the intermediate connecting rod (10). The self-rotating motor fixing rod (9) is fixedly connected to the arm holes of the intermediate connecting rod (10) through any two arm holes.

8. A simulation device for target infrared radiation change and attitude micro-motion according to claim 2, wherein the second conductive slip ring fixing seat (15), the second motor end cover (16), and the circular small base (18) are fixedly connected by screws. The conical rotation motor (17) includes an output shaft, and the output shaft of the conical rotation motor (17) is connected to the inside of the second conductive slip ring (14) through the second motor end cover (16).

9. A simulation device for target infrared radiation change and attitude micro-motion according to claim 1, wherein the shape of the target (1) can be a flat-bottomed cone, a column-bottomed cone, a spherical-bottomed cone, a cylinder, or a sphere, and the outer surface material of the target (1) can be aluminum alloy, aluminum film, polyimide second surface mirror, or black film.

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