CN216670262U - Ultra-small high-precision infrared dynamic signal simulation equipment - Google Patents

Abstract

The utility model relates to subminiature high-precision infrared dynamic signal simulation equipment which comprises a power supply, a controller, a target disc, an optical target projection device and a heat radiation source, wherein the power supply is used for supplying power to the whole equipment, the target disc is connected with a driving device used for driving the target disc to rotate, the heat radiation source and the driving device are electrically connected with the controller, a target hole used for transmitting infrared radiation is formed in the target disc, the optical target projection device and the heat radiation source are respectively positioned on the front side and the back side of the target disc, and infrared radiation signals emitted by the heat radiation source are projected to the optical target projection device after transmitting the target hole of the target disc. The utility model has small volume and can be held by hands, and can realize the adjustability of the radiation of the target background and the movement of the target and restore the maneuvering flight of the target under a complex scene with high precision.

Description

Ultra-small high-precision infrared dynamic signal simulation equipment

Technical Field

The utility model relates to the technical field of infrared, in particular to subminiature high-precision infrared dynamic signal simulation equipment.

Background

For infrared guided weapons, semi-physical simulation systems are critical devices. The traditional infrared dynamic signal simulation equipment can realize various detection environment simulation of targets, and can provide accurate and controllable experimental conditions in a laboratory, so that the performance of infrared detection and sensing equipment can be tested and evaluated. However, due to the limitations of size, mass, price and the like of many infrared dynamic signal simulation devices, the infrared dynamic signal simulation devices can only be used for testing and evaluating the performance of laboratory infrared detection and sensing devices during research and development, and cannot test and evaluate the performance of the installed infrared detection and sensing devices.

And the traditional infrared dynamic signal simulation equipment has the defects of single motion form of a simulated target and single background radiation, and cannot well reproduce the maneuvering flight of the target in a complex scene.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome at least one defect in the prior art, and provides subminiature high-precision infrared dynamic signal simulation equipment which is small in size and handheld, and can realize maneuvering flight of a target under a complex scene with adjustable target background radiation, adjustable target motion and high-precision restoration.

The technical scheme of the utility model is realized as follows: the utility model discloses subminiature high-precision infrared dynamic signal simulation equipment which comprises a power supply, a controller, a target disc, an optical target projection device and a heat radiation source, wherein the power supply is used for supplying power to the whole equipment, the target disc is connected with a driving device used for driving the target disc to rotate, the heat radiation source and the driving device are electrically connected with the controller, a target hole used for transmitting infrared radiation is formed in the target disc, and the optical target projection device and the heat radiation source are respectively positioned on the front side and the back side of the target disc.

Furthermore, the infrared radiation signal emitted by the heat radiation source is projected to the optical target projection device after penetrating through the target hole of the target disc.

Further, the optical target projection device adopts a fixed focus lens; the fixed-focus lens is used for projecting the infrared radiation signal penetrating through the target hole of the target disc into the view field of the infrared alarm device.

Furthermore, at least one group of target holes are arranged on the target disc, and each group of target holes comprises at least one target hole; when each set of target holes includes a plurality of target holes, the plurality of target holes in each set of target holes have the same hole diameter.

Furthermore, the subminiature high-precision infrared dynamic signal simulation equipment also comprises an angle sensor for detecting the rotating speed of the target disc, and the output end of the angle sensor is electrically connected with the controller; the angle sensor is used for collecting magnetic field change analog quantity signals of the magnet fixed on the rotating shaft of the target plate and transmitting the signals to the controller.

Further, the thermal radiation source comprises a heating device and a current driver, wherein the input end of the current driver is electrically connected with the controller, and the output end of the current driver is electrically connected with the heating device to form the miniature high-precision thermal radiation source.

Further, the thermal radiation source also comprises a first temperature sensor for detecting the temperature of the heating device and a second temperature sensor for detecting the temperature of the environment, and the output ends of the first temperature sensor and the second temperature sensor are electrically connected with the controller.

Further, drive arrangement includes rotating electrical machines, motor drive's input and the output of controller are connected, motor drive's output and the rotating electrical machines electricity that is used for driving target dish pivoted are connected.

Furthermore, a gear is circumferentially fixed on a motor shaft of the rotating motor, a gear ring is arranged on the target disc, and the gear ring of the target disc is meshed with the gear on the motor shaft of the rotating motor.

Further, the rotating motor is a servo motor.

Furthermore, the subminiature high-precision infrared dynamic signal simulation equipment further comprises an interactive assembly, wherein the interactive assembly is electrically connected with the controller; the interactive component comprises a key and a display screen.

Furthermore, the subminiature high-precision infrared dynamic signal simulation device further comprises a shell, wherein the power supply, the controller, the optical target projection device and the thermal radiation source are all fixed in the shell, and the target disc is rotatably supported in the shell; the shell is provided with a connector, and the connector is electrically connected with the controller; the shell is provided with a projection window corresponding to the optical target projection device; the shell is provided with a guide protective sleeve which surrounds the projection window.

The utility model has at least the following beneficial effects:

the utility model can accurately control the target simulator to simulate the maneuvering motion of the target, accurately control the temperature of the target, simulate different background temperature targets and has high precision.

Compared with the traditional infrared signal simulation equipment, the infrared detection equipment has smaller volume and light weight, does not need to be fixed, can be proved, tested and detected by holding with a hand, and has high detection efficiency.

The utility model has high economical efficiency, does not need to generate a dynamic high-resolution image as a target, and can simulate the flight radiation of a real target with high reduction degree by using the target disc, the heating device and the moving assembly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram illustrating a subminiature high-precision infrared dynamic signal simulation device according to an embodiment of the present invention;

fig. 2 is a schematic diagram illustrating a movement pattern of a target of the ultra-small high-precision infrared dynamic signal simulation device according to the embodiment of the present invention;

FIG. 3 is a schematic structural diagram of a target disk provided in an embodiment of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3;

FIG. 5 is an enlarged view of portion A of FIG. 3;

FIG. 6 is an enlarged view of the portion B of FIG. 3;

fig. 7 is an enlarged schematic view of the portion C of fig. 3.

In the drawing, 1 is a shell, 11 is a guide protective sleeve, 12 is a battery compartment, 2 is a fixed-focus lens, 3 is a target disc, 31 is a target hole, 32 is a gear ring, 33 is a rotating shaft, 4 is a gear, 5 is a servo motor, 6 is a heating device, 7 is a magnet, and 8 is a fixing frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, the meaning of "plurality" or "a plurality" is two or more unless otherwise specified.

Referring to fig. 1 to 7, the embodiment of the present invention provides a subminiature high-precision infrared dynamic signal simulation device, which comprises a power supply, a controller, a target plate 3, an optical target projection device and a thermal radiation source, i.e. a blackbody radiation source, the power supply is used for supplying power to the whole equipment, the target disc 3 is connected with a driving device for driving the target disc 3 to rotate, the heat radiation source and the driving device are electrically connected with the controller, the target disc 3 is provided with a target hole 31 for transmitting infrared radiation, the optical target projection device and the thermal radiation source are respectively positioned on the front side and the back side of the target disc 3, so that an infrared radiation signal emitted by the thermal radiation source is projected to the optical target projection device after penetrating through the target hole 31 of the target disc 3, and the optical target projection device is used for projecting the infrared radiation target penetrating through the target hole 31 of the target disc 3 into the view field of the infrared alarm device.

Further, the optical target projection device adopts a fixed focus lens 2; the fixed focus lens 2 is used for projecting the infrared radiation object which penetrates through the object hole 31 of the target disc 3 into the visual field of the infrared alarm device in a correct proportion.

Further, the focal length between the target plate 3 and the fixed-focus lens 2 is a fixed value and is set as required.

Furthermore, at least one group of targeting holes 31 is arranged on the targeting plate 3, and each group of targeting holes 31 comprises at least one targeting hole 31; when each set of the target holes 31 includes a plurality of target holes 31, the plurality of target holes 31 in each set of the target holes 31 have the same hole diameter.

When the target disc 3 is provided with a plurality of sets of target holes 31, the plurality of sets of target holes 31 are circumferentially distributed at intervals, and the apertures of the plurality of sets of target holes 31 may be all the same, may be all different, may be partially the same, and so on.

A part of the targeting holes 31 in each set of targeting holes 31 as in the present embodiment are located on the same aperture of the targeting tray 3, and the distance between two adjacent targeting holes 31 in each set of targeting holes 31 is set as required. The positions of the plurality of targeting orifices 31 within each set of targeting orifices 31 are set as desired.

As shown in fig. 3, the target plate 3 of the present embodiment is provided with at least one first targeting orifice 31 set, at least one second targeting orifice 31 set, and at least one third targeting orifice 31 set.

The first set of targeting orifices 31 has 5 targeting orifices 31 and the targeting orifices 31 have an orifice diameter of 0.1 mm. The second set of targeting orifices 31 has 6 targeting orifices 31 and the targeting orifices 31 have an orifice diameter of 0.15 mm. The second set of targeting orifices 31 has 7 targeting orifices 31 and the targeting orifices 31 have an orifice diameter of 0.2 mm.

The groups of target holes 31 with different apertures correspond to different simulation targets respectively.

Further, the thermal radiation source comprises a heating device 6(TEC) and a current driver, wherein an input end of the current driver is electrically connected with the controller, and an output end of the current driver is electrically connected with the heating device 6, so as to form the miniature high-precision thermal radiation source. The heating device 6 is fixed on the back of the target plate 3 through a fixing frame 8 and is close to the target plate 3.

Further, the thermal radiation source further comprises a first temperature sensor for detecting the temperature of the heating device 6 and a second temperature sensor for detecting the ambient temperature, and the output ends of the first temperature sensor and the second temperature sensor are electrically connected with the controller. The ambient temperature is compared with the temperature of the heat radiation source to generate a temperature difference, and the radiation intensity is reflected through the temperature difference.

Further, the driving device comprises a rotating motor and a motor driver, wherein the input end of the motor driver is electrically connected with the output end of the controller, and the output end of the motor driver is electrically connected with the rotating motor for driving the target disc 3 to rotate.

Further, a gear 4 is circumferentially fixed on a motor shaft of the rotating motor, a gear ring 32 is arranged on the target disc 3, and the gear ring 32 of the target disc 3 is meshed with the gear 4 on the motor shaft of the rotating motor, for example, the reduction ratio can be set to 100/34.

The target plate 3 of this embodiment is fixed with a rotating shaft 33, and the rotating shaft 33 of the target plate 3 is rotatably supported on a support base in the housing 1. The axis of the rotating shaft 33 and the axis of the target plate 3 are located on the same straight line.

Furthermore, the subminiature high-precision infrared dynamic signal simulation equipment further comprises an angle sensor for detecting the rotating speed of the target disc 3, and the output end of the angle sensor is electrically connected with the controller; the angle sensor is used for collecting magnetic field change analog quantity signals of the magnet 7 fixed on the rotating shaft 33 of the target disc and transmitting the signals to the controller.

Furthermore, the subminiature high-precision infrared dynamic signal simulation equipment further comprises an interactive assembly, wherein the interactive assembly is electrically connected with the controller; the interactive component comprises a key and a display screen. The display screen plays a role in monitoring the working state, displaying the electric quantity and the like. The keys are used for receiving instruction signals of an operator and playing a role in receiving control, such as on/off control, temperature control and the like. The interaction component further comprises an indicator light. If the interactive subassembly of this embodiment still includes two pilot lamps, red pilot lamp reflects power operating condition, and the red lamp that normally begins to light and shuts down the red lamp and goes out, and the low red lamp of electric quantity can twinkle. The green pilot lamp reflects the self-checking state of the equipment, the self-checking does not flicker through the green pilot lamp, and the self-checking passes through the pilot lamp constant.

Furthermore, the subminiature high-precision infrared dynamic signal simulation device further comprises a shell 1, wherein the power supply, the controller, the optical target projection device and the heat radiation source are all fixed in the shell 1, and the target disc 3 is rotatably supported in the shell 1; a connector (Ramo connector) is arranged on the shell 1, and the connector is electrically connected with the controller and is used for speed debugging (before delivery); the shell 1 is provided with a projection window corresponding to the optical target projection device, and the optical target projection device can project an infrared radiation target through the projection window on the shell 1; the shell 1 is provided with a guide protective sleeve 11, and the guide protective sleeve 11 surrounds the projection window. The present invention defines the side of the target disk 3 adjacent to the projection window as the front side. The optical target projection device is positioned on one side of the front surface of the target disc 3, and the distance between the optical target projection device and the target disc 3 is set according to requirements. The thermal radiation sources are located on one side of the target disk 3, respectively. The spacing between the thermal radiation source and the target disk 3 is set as desired.

The housing 1 of this embodiment is provided with a battery compartment 12 for supplying power to the device via a battery. The projection window on the housing 1 is located right in front of the optical target projection device. The fixed-focus lens 2 is directly focused to the target disc 3 internally and is directly connected to the tested equipment externally.

The guiding protective sleeve 11 on the shell 1 is used for being butted with the infrared alarm device and directly buckled on the infrared alarm device. The fixed focus lens 2 is used for projecting the infrared radiation object which penetrates through the object hole 31 of the target disc 3 into the visual field of the infrared alarm device through the projection window in a correct proportion.

When the subminiature high-precision infrared dynamic signal simulation device is used, the high-precision optical target projection device of the simulation device, namely the external surface of an optical lens, is directly buckled on the infrared alarm device, a target disc 3 is arranged on the internal focal plane of the high-precision optical target projection device, and the miniature high-precision heat radiation source and the target disc 3 are synchronously matched to work so as to generate an infrared analog signal to trigger the infrared alarm device to alarm.

The controller outputs a control signal to the current driver, and then the current driver outputs a proper current to start heating the heating device 6, and the infrared radiation intensity is increased when the temperature of the heating device 6 is increased. The controller periodically controls the output power of the current driver to periodically change the temperature of the heating device 6, thereby realizing the function of gradual change of the infrared radiation intensity.

The controller outputs a control signal to the motor driver, the motor driver drives the servo motor 5 to work, the gear 4 on the motor shaft of the servo motor 5 drives the target disc 3 to rotate, when the target disc 3 rotates, the target hole 31 on the target disc 3 correspondingly moves (for example, the target hole 31 moves back and forth in the TEC area in a two-way mode), the black body radiation source on the back of the target disc 3 radiates an infrared signal and only penetrates through the target hole 31, then the infrared signal becomes parallel light through the fixed focus lens 2 through a parallel light path and is projected to the visual field of the warning device in a correct proportion, namely, a moving infrared signal target with gradually changed energy is formed, and warning of the infrared warning device is triggered. Meanwhile, according to the motion characteristic requirements of the target, the motion characteristics of the target, such as uniform speed, acceleration, reciprocating motion and the like, are simulated by using high-precision closed-loop motion, and the high-reduction simulation of the real motion target is realized by combining the gradual change control of the infrared radiation intensity. The simulation of the utility model can be adjusted according to requirements, such as reciprocating variable speed motion simulation can be used.

The microminiature high-precision infrared signal simulation equipment of the utility model is formed into a whole by a microminiature high-precision heat radiation source, a high-precision optical target projection device, a moving assembly (comprising a target disc 3 and a driving device) and an interaction assembly, improves the efficiency of performance test and evaluation of infrared detection and sensing equipment, can complete the test of a tested device by hand without fixing the simulation equipment, has small volume and light weight, is internally provided with a battery for power supply, does not need external power supply, and is convenient to operate.

The subminiature high-precision infrared signal simulation device is used for simulating the infrared radiation of the maneuvering motion of the target, can simulate the performance test and evaluation of infrared detection and sensing equipment in a laboratory, can also perform function detection and fault auxiliary positioning on the installed infrared detection and sensing equipment, and achieves maneuvering flight of the target under the complex scene of adjustable background radiation, adjustable target motion and high-precision restoration through a high-precision control method.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.

Claims (10)

1. A subminiature high-precision infrared dynamic signal simulation device is characterized in that: including power, controller, target dish, optics target projection arrangement and thermal radiation source, the power is used for supplying power for whole equipment, the target dish is connected with the drive arrangement who is used for driving target dish pivoted, thermal radiation source, drive arrangement are connected with the controller electricity, be equipped with the target hole that is used for supplying infrared radiation to permeate through on the target dish, optics target projection arrangement, thermal radiation source are located front one side, back one side of target dish respectively.

2. A subminiature high accuracy infrared dynamic signal simulating device according to claim 1 further comprising: infrared radiation signals emitted by the thermal radiation source penetrate through a target hole of the target disc and are projected to the optical target projection device; the optical target projection device adopts a fixed-focus lens; the fixed-focus lens is used for projecting the infrared radiation signal penetrating through the target hole of the target disc into the view field of the infrared alarm device.

3. A subminiature high accuracy infrared dynamic signal simulating device according to claim 1 further comprising: the target disc is provided with at least one group of target holes, and each group of target holes comprises at least one target hole; when each set of target holes includes a plurality of target holes, the plurality of target holes in each set of target holes have the same hole diameter.

4. A subminiature high accuracy infrared dynamic signal simulating device according to claim 1 further comprising: the device also comprises an angle sensor for detecting the rotating speed of the target disc, and the output end of the angle sensor is electrically connected with the controller; the angle sensor is used for collecting magnetic field change analog quantity signals of the magnet fixed on the rotating shaft of the target disc and transmitting the signals to the controller.

5. A sub-miniature high precision infrared dynamic signal simulation apparatus according to claim 1, wherein: the thermal radiation source comprises a heating device and a current driver, wherein the input end of the current driver is electrically connected with the controller, and the output end of the current driver is electrically connected with the heating device to form the miniature high-precision thermal radiation source.

6. A sub-miniature high precision infrared dynamic signal simulation apparatus according to claim 5, wherein: the thermal radiation source also comprises a first temperature sensor for detecting the temperature of the heating device and a second temperature sensor for detecting the ambient temperature, and the output ends of the first temperature sensor and the second temperature sensor are electrically connected with the controller.

7. A subminiature high accuracy infrared dynamic signal simulating device according to claim 1 further comprising: the driving device comprises a rotating motor and a motor driver, wherein the input end of the motor driver is electrically connected with the output end of the controller, and the output end of the motor driver is electrically connected with the rotating motor which is used for driving the target plate to rotate.

8. A subminiature high accuracy infrared dynamic signal simulating device according to claim 7 further comprising: and a gear is circumferentially fixed on a motor shaft of the rotating motor, a gear ring is arranged on the target disc, and the gear ring of the target disc is meshed with the gear on the motor shaft of the rotating motor.

9. A subminiature high accuracy infrared dynamic signal simulating device according to claim 1 further comprising: the system also comprises an interaction component which is electrically connected with the controller; the interactive component comprises a key and a display screen.

10. A subminiature high accuracy infrared dynamic signal simulating device according to claim 1 further comprising: the power supply, the controller, the optical target projection device and the heat radiation source are all fixed in the shell, and the target disk is rotatably supported in the shell; the shell is provided with a connector, and the connector is electrically connected with the controller; the shell is provided with a projection window corresponding to the optical target projection device; the shell is provided with a guide protective sleeve which surrounds the projection window.

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