KR101419301B1 - Infrared target simulator with a continues variable size - Google Patents

Infrared target simulator with a continues variable size Download PDF

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Publication number
KR101419301B1
KR101419301B1 KR1020130026772A KR20130026772A KR101419301B1 KR 101419301 B1 KR101419301 B1 KR 101419301B1 KR 1020130026772 A KR1020130026772 A KR 1020130026772A KR 20130026772 A KR20130026772 A KR 20130026772A KR 101419301 B1 KR101419301 B1 KR 101419301B1
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KR
South Korea
Prior art keywords
infrared
diaphragm
lamp
sensing
infrared rays
Prior art date
Application number
KR1020130026772A
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Korean (ko)
Inventor
최원석
김옥휴
신욱현
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국방과학연구소
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Priority to KR1020130026772A priority Critical patent/KR101419301B1/en
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Publication of KR101419301B1 publication Critical patent/KR101419301B1/en

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41JTARGETS; TARGET RANGES; BULLET CATCHERS
    • F41J2/00Reflecting targets, e.g. radar-reflector targets; Active targets transmitting electromagnetic or acoustic waves
    • F41J2/02Active targets transmitting infra-red radiation

Abstract

The present invention relates to an infrared target simulating device with a continuously variable size capable of continuously varying the size of a target. The infrared target simulating device with a continuously variable size comprises a lamp unit (120) in which an infrared lamp (122) for emitting infrared rays is installed, and an aperture driving part (130) for driving an aperture (134) to control the transmitted area of the infrared rays emitted from the infrared lamp (122) using the aperture (134).

Description

[0001] INFRARED TARGET SIMULATOR WITH A CONTINUES VARIABLE SIZE [0002]

The present invention relates to an infrared target simulator, and more particularly, to an infrared target simulator having a continuously variable size capable of continuously varying the size of a target.

An infrared target simulator, which is mounted on a moving body for training and serves as a virtual target, causes the target simulator to emit infrared rays and recognize the emitted infrared rays as a target.

FIG. 7 shows an infrared target simulation apparatus 100 according to the related art. In this infrared target simulation apparatus 100 according to the related art, infrared rays radiated by the heat of a wire coil are used.

For example, when electric power is applied to the electric wire coil in a state in which the electric wire coil wound inside the housing 210 is housed, the electric wire coil generates heat and radiates infrared rays.

The infrared rays thus radiated pass through a transparent window 221 formed in a different size on a rotary plate 220 rotatably installed in the housing 210, thereby serving as a target simulator.

However, in the infrared ray target simulation apparatus having the above-described configuration, since the infrared ray is radiated by the heat generated by the electric power applied to the wire coil, it takes much time to reach the temperature at which the infrared ray is radiated, There is a risk of fire due to heat generation.

In addition, since the size of the light transmitting window 221 formed on the rotary plate 220 is fixed, it can not be used discretely, and the target can not be simulated to an arbitrary size.

In addition, there is a problem that it is not possible to simulate the case where two targets are adjacent to each other. That is, in order to determine whether two targets are adjacent to each other and affect the recognition of the target, infrared rays should be emitted adjacent to each other. At this time, in the infrared target simulation apparatus according to the related art, when two infrared target simulators are arranged, the structure is such that the radiated infrared rays can not be positioned adjacent to each other. It is impossible to operate the target simulator in a state in which the infrared target simulator has a large volume and a space in which infrared rays radiated from the adjacently arranged infrared target simulator can be transmitted.

The following prior art documents relate to a 'target automatic alignment simulation system and method', and it is an object of the present invention to perform an automatic alignment simulation on a target using a simulated target signal which is an infrared signal generated by the target simulator as described above The present invention relates to a system and method for automatic alignment of a target.

KR 10-2011-0003081 A

It is an object of the present invention to provide an infrared target simulator having a continuously variable size capable of continuously controlling the size of emitted infrared rays using the principle of a diaphragm.

It is another object of the present invention to provide an infrared target simulating apparatus having a continuously variable size capable of rapidly emitting infrared rays using a halogen lamp without using the heat of a coil and easily adjusting the size of a target to a desired size .

It is a further object of the present invention to provide an infrared target simulator having a continuously variable size that allows infrared simulated targets to be placed adjacent to one another.

According to another aspect of the present invention, there is provided an infrared target simulator including a lamp unit in which an infrared lamp for emitting infrared rays is installed, and a diaphragm driving unit for adjusting a light transmitting area of the infrared ray emitted from the infrared lamp do.

The lamp unit includes a lamp housing installed in the frame, and an infrared lamp installed inside the lamp housing and emitting infrared rays.

The infrared lamp is preferably a halogen lamp.

The lamp housing further includes an aspherical lens through which the infrared ray emitted from the infrared lamp passes.

The diaphragm driving unit includes a driving motor, a diaphragm whose opening degree is controlled by the operation of the driving motor to determine a light transmitting area of the infrared ray, and a diaphragm that transmits the rotational force of the driving motor to the diaphragm, And a power transmitting portion for transmitting power to the vehicle.

The power transmission unit may include a driving gear that rotates integrally with the driving motor, and a sector gear that is connected to the diaphragm and rotates by the driving gear to drive the diaphragm to adjust the opening degree of the diaphragm .

The sector gear may further include a balance gear meshed with the drive gear at an interval.

The sector gear may further include a sensor operation pin for operating the sensing unit and a plurality of sensing units for sensing a rotational position of the sector gear to sense an opening state of the diaphragm.

Preferably, the sensing means includes a home sensor for sensing an initial opening state of the diaphragm, a upper limit switch for sensing a maximum opening state of the diaphragm, and a lower limit switch for sensing a minimum opening state of the diaphragm .

And the diaphragm and the power transmission unit are installed on a front cover formed substantially perpendicular to the frame.

A front cover is provided to surround the diaphragm driving unit, and the sensing unit is installed on the front cover.

And a light transmitting groove formed on one side of the front cover so as to be inwardly recessed and capable of transmitting infrared light.

The rear surface of the lamp housing is further provided with a rear cover for preventing infrared rays from being reflected backward.

According to the infrared target simulation apparatus having the continuously variable size according to the present invention having the above-described configuration, the simulated target can be adjusted to a desired size using the iris principle.

Further, instead of applying power to the wire coil to radiate infrared rays, the halogen lamp is turned on to emit infrared rays, so that infrared rays are radiated quickly, and there is no danger of fire due to heat generation.

In addition, even when a plurality of infrared target simulators are arranged in a superposed manner, infrared rays can be radiated through the light emitting grooves, so that neighboring simulations of the target become possible.

1 is a perspective view of an infrared target simulator having a continuously variable size according to the present invention;
2 is a front view of an infrared target simulator having a continuously variable size according to the present invention;
3 is a front view showing the configuration of a diaphragm driving unit in an infrared target simulation apparatus having a continuously variable size according to the present invention.
4 is a graph showing infrared characteristics emitted from a halogen lamp in an infrared target simulation apparatus having a continuously variable size according to the present invention.
FIG. 5 and FIG. 6 are a perspective view and a front view showing a state in which a plurality of infrared target simulation apparatuses having a continuously variable size according to the present invention are provided in a plurality and arranged adjacent to each other.
7 is a perspective view showing an infrared target simulation apparatus according to the related art.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an infrared target simulator having a continuously variable size according to the present invention will be described in detail with reference to the accompanying drawings.

As shown in FIGS. 1 to 3, the IR target simulation apparatus having a continuously variable size according to the present invention includes a lamp unit 120 in which an infrared lamp 122 for emitting infrared rays is installed, And a diaphragm driving unit 130 for adjusting the light transmitting area of the infrared ray radiated from the infrared lamp 122.

The frame 110 allows other components to be installed. A lamp unit 120 to be described later is installed in the frame 110 and is also used for fixing the Infrared Target Simulator 100 having a continuously variable size according to the present invention to a moving object.

A vertical portion 112 extending substantially perpendicularly to the frame 110 is formed on one side of the frame 110 so that a diaphragm driving portion 130 to be described later is installed.

The vertical part 112 is provided with a front cover 113 surrounding the outside of the diaphragm driving part 130 in a state where the diaphragm driving part 130 is installed. At this time, a light transmitting groove 113a is formed at one side of the front cover 113 so as to be recessed inward. When a plurality of infrared target simulators 100 are arranged (refer to FIGS. 5 and 6) Thereby forming a space through which the infrared ray emitted from the infrared target simulator 100 positioned in the infrared target simulator 100 can pass.

The lamp unit 120 includes an infrared lamp 122 that emits infrared rays, and radiates infrared rays from the infrared lamp 122. The lamp unit 120 includes a lamp housing 121, an infrared lamp 122 accommodated in the lamp housing 121, and a control unit 130 for controlling the direction in which the infrared ray emitted from the infrared lamp 122 is radiated And includes an aspherical lens 123.

The lamp housing 121 is provided on one side of the frame 110 so that other components of the lamp unit 120 are installed.

The infrared lamp 122 is installed inside the lamp housing 121, and emits infrared rays when power is applied. Unlike the prior art in which infrared rays are radiated by infrared rays, unlike the conventional method in which power is applied to the wire coils and infrared rays are radiated by resistance heat, infrared rays are radiated by the infrared lamps 122 when power is applied. And there is an advantage that the infrared rays are radiated rapidly from the power source immediately.

Meanwhile, the infrared lamp 122 is preferably a halogen lamp. By emitting the infrared rays using the halogen lamp, especially the 2200 ° C halogen lamp, it is possible to reduce the fire risk due to the heat generation of the wire coil and overcome the maximum temperature limit. The halogen lamp has characteristics as shown in FIG. 4, and infrared rays are radiated within a short time after power is applied.

The aspherical lens 123 is provided on one side of the lamp housing 121 so that the infrared rays radiated from the infrared lamp 122 are irradiated in parallel. Since the infrared lamp 122 is a point light source, the infrared rays radiated from the infrared lamp 122 propagate in all directions. At this time, the aspherical lens 123 installed in the lamp housing 121 is used, Infrared rays can be radiated in parallel.

The rear surface of the lamp housing 121 may further include a rear cover 114 for preventing infrared rays from being reflected backward. The rear cover 114 is installed at a rear end of the frame 110 or at a rear surface of the lamp housing 121 so as to be positioned at a rear surface of the lamp housing 121, So that the infrared rays radiated from the housing 121 are reflected and prevented from being reflected to the rear surface.

The aperture driving unit 130 continuously varies the size of the radiation emitted from the infrared lamp 122, that is, the radiation area. The diaphragm driving unit 130 includes a driving motor 131, a power transmitting unit 132 for transmitting rotational power of the driving motor 131, and a power transmitting unit 132 connected to the power transmitting unit 132, And an aperture 134 for adjusting the area. The diaphragm driver 130 is installed on the vertical portion 112 of the frame 110 and the outer surface of the diaphragm driver 130 is surrounded by the front cover 113.

The drive motor 131 rotates when power is applied. Here, it is preferable that the drive motor 131 is a step motor that is easy to control and can rotate accurately by a desired angle.

When the diaphragm 134 receives power from the driving motor 131, the aperture of the diaphragm 134 is adjusted so that the light transmitting area through which the infrared rays pass through the diaphragm 134 is determined. The diaphragm 134 is provided with a plurality of annular blades (not shown) arranged in an annular shape, and the one side of the plurality of diaphragm blades is simultaneously rotated in the forward direction or the reverse direction by a mechanical mechanism so as to adjust the light transmitting area. The detailed configuration of the diaphragm is disclosed in, for example, Korean Patent Laid-Open No. 10-2008-0076820 (diaphragm driving device of a lens interchangeable type digital camera), and a detailed description thereof will be omitted. The diaphragm 134 is installed in the through hole formed in the vertical portion 112 of the frame 110 and the front cover 113.

The power transmitting portion 132 transmits the rotational force of the driving motor 131 to the diaphragm 134. One specific example thereof is a driving gear 132a fixed to the driving motor 131, And a sector gear 132b engaged with the stop 132a and connected to the stop 134. [

The driving gear 132a is in the form of a pinion, is fixed to the driving motor 131, and rotates integrally with the driving motor 131. [

The sector gear 132b meshes with the driving gear 132a and transmits the rotational force of the driving motor 131 inputted from the driving gear 132a to the diaphragm 134. [ The sector gear 132b is connected to the diaphragm 134 and extends the light transmitting area by opening the diaphragm 134 according to the rotation direction of the sector gear 132b or by tightening the diaphragm 134, Reduce.

The sector gear 132b is engaged with the balance gear 133 in the form of a pinion gear at a position spaced apart from the drive gear 132a so that the sector gear 132b is engaged with the sector gear 132b, To rotate in a stable state.

The plurality of sensing means senses the opening degree of the diaphragm 134 by detecting the position of the sector gear 132b.

As a specific configuration, a groove sensor for sensing an initial position of the sector gear 132b is attached to the front cover 113, an upper limit switch 143 for sensing an upper limit and a lower limit of the sector gear 132b, A limit switch 144 and a sensor operation pin 141 for operating the home sensor 142, the upper limit switch 143 and the lower limit switch 144 are provided in the sector gear 132b.

The home sensor 142, the upper limit switch 143 and the lower limit switch 144 indirectly detect the opening state of the diaphragm 134 by sensing the position of the sector gear 132b. That is, the home sensor 142 senses the initial opening of the diaphragm 134 by detecting the initial position of the sector gear 132b, and the upper limit switch 143 and the lower limit switch 144 Sensing the maximum opening and the minimum opening of the diaphragm 134 by sensing the upper and lower limits of rotation of the sector gear 132b, respectively. When the sensor operation pin 141 is positioned at the home sensor 142, the diaphragm 134 is opened to an initial set value. When the sensor operation pin 141 is located at the upper limit switch 143, When the sensor operation pin 141 is positioned at the lower limit switch 144, it means that the sensor operation pin 141 is at least opened. And the sensor operation pin 141 is positioned between the upper limit switch 143 and the lower limit switch 144. [ The rotation angle of the sector gear 132b can be limited by the upper limit switch 143 and the lower limit switch 144.

The operation of the infrared target simulator having the continuously variable size according to the present invention having the above-described configuration will be described.

The infrared target simulation apparatus 100 having a continuously variable size according to the present invention can be mounted on a moving object and moved together with the moving object to perform a virtual target function.

When power is applied to the infrared lamp 122 in the lamp unit 120 of the infrared target simulator 100, infrared rays are emitted from the infrared lamp 122. The infrared rays emitted from the infrared lamp 122 are radiated to the outside through the aspherical lens 123 formed on one side of the lamp housing 121.

In addition, the infrared lamp 122 can radiate infrared rays quickly, as compared with a case where a halogen lamp is used to apply power to a wire coil to heat the wire coil to radiate infrared rays. In addition, since the infrared rays pass through the aspherical lens 123, the dispersion of the infrared rays is minimized.

The light transmitting area is adjusted while infrared rays radiated from the lamp unit 120 pass through the diaphragm 134 of the diaphragm driving unit 130 so that the size of the target to be simulated can be made. That is, when the driving motor 131 is operated, the driving gear 132a rotates the sector gear 132b and the opening of the diaphragm 134 is adjusted by the rotation of the sector gear 132b, You can create the size of the target you want to simulate.

At this time, since the opening degree of the diaphragm 134 is not a discontinuous value but a continuous value between the maximum opening and the minimum opening of the diaphragm 134, the prior art infrared target simulation shown in FIG. 7 It is impossible to simulate the size of the target only in the size set in the rotary plate 220 in advance, as in the device 200. However, in the infrared target simulator 100 having the continuously variable size according to the present invention, Can be simulated.

Finally, infrared rays radiated to the outside through the diaphragm 134 whose light-transmitting area is adjusted can be recognized as a target.

On the other hand, as shown in FIGS. 5 and 6, in order to simulate the states where the targets are adjacent to each other, the plurality of infrared target simulators 100 and 100 'are arranged back and forth so that infrared rays are radiated adjacent to each other, The iris 134 of the rear infrared target simulation apparatus 100 is disposed so as to be seen from the front.

At this time, since the front cover 113 is provided with the light transmitting grooves 113a, it is possible to arrange the plurality of infrared target simulators 100 and 100 'so as to radiate infrared rays more closely to each other . In the conventional infrared target simulation apparatus shown in FIG. 7, since the infrared ray emitted from the rear-side infrared target simulator 100 is covered by the infrared target simulator located at the front, a plurality of infrared targets There was a limit to deploying the simulator. However, in the infrared target simulation apparatus having a continuously variable size according to the present invention, the front cover 113 is provided with the light emitting groove 113a, so that the plurality of infrared target simulators 100 and 100 ' (See FIG. 5), the diaphragm 134 of the infrared target simulator 100 'positioned rearward by the light transmitting groove 113a formed in the frontal infrared target simulator 100 is arranged so as to be seen forward (See FIG. 6).

Therefore, it is possible to simulate the case where the targets are located adjacent to each other.

100: Infrared Target Simulator 110: Frame
112: vertical portion 113: front cover
113a: light emitting groove 114: rear cover
120: lamp unit 121: lamp housing
122: lamp 123: aspheric lens
130: diaphragm driver 131: step motor
132: Power transmission means 132a:
132b: sector gear 133: balance gear
134: Aperture 141: Sensor operating pin
142: Home sensor 143: Upper limit switch
144: Lower limit switch 200: Infrared target simulator
210: housing 220:
221: Floodlight window

Claims (13)

  1. A lamp unit in which an infrared lamp for radiating infrared rays is installed,
    And a diaphragm driver for adjusting a light transmitting area of infrared rays radiated from the infrared lamp,
    The lamp unit includes a lamp housing installed in a frame, an infrared lamp installed inside the lamp housing and emitting infrared light,
    Wherein the infrared lamp is a halogen lamp.
  2. delete
  3. delete
  4. The method according to claim 1,
    Wherein the lamp housing further includes an aspherical lens through which infrared rays emitted from the infrared lamp pass.
  5. The method according to claim 1,
    The diaphragm drive unit includes:
    A drive motor,
    A diaphragm whose opening degree is controlled by operation of the driving motor to determine a light transmitting area of the infrared ray;
    And a power transmission unit transmitting the rotational force of the driving motor to the diaphragm to adjust the opening degree of the diaphragm.
  6. 6. The method of claim 5,
    The power transmission unit includes:
    A drive gear rotating integrally with the drive motor,
    And a sector gear connected to the diaphragm and rotated by the driving gear to drive the diaphragm so as to adjust the opening degree of the diaphragm.
  7. The method according to claim 6,
    Wherein the sector gear further comprises a balance gear which is meshed with the driving gear in a spaced-apart relationship.
  8. The method according to claim 6,
    Wherein the sector gear is provided with a sensor operation pin for operating the sensing means,
    Further comprising a plurality of sensing means for sensing a rotational position of the sector gear to sense an open state of the diaphragm.
  9. 9. The method of claim 8,
    Wherein the sensing means comprises:
    A home sensor for sensing an initial opening state of the diaphragm,
    An upper limit switch for sensing a maximum opening state of the diaphragm,
    Wherein the limit switch is a lower limit switch for detecting a minimum opening state of the diaphragm.
  10. 10. The method of claim 9,
    Wherein the diaphragm and the power transmission unit are installed on a front cover formed perpendicularly to the frame.
  11. 11. The method of claim 10,
    A front cover is provided to surround the diaphragm driving unit,
    Wherein the sensing means is installed on the front cover.
  12. 12. The method of claim 11,
    Wherein the front cover is formed at one side thereof with a light-transmitting groove formed inwardly concave and capable of transmitting infrared light.
  13. The method according to claim 1,
    Wherein the rear surface of the lamp housing is further provided with a rear cover for preventing infrared rays from being reflected backward.
KR1020130026772A 2013-03-13 2013-03-13 Infrared target simulator with a continues variable size KR101419301B1 (en)

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Application Number Priority Date Filing Date Title
KR1020130026772A KR101419301B1 (en) 2013-03-13 2013-03-13 Infrared target simulator with a continues variable size

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020130026772A KR101419301B1 (en) 2013-03-13 2013-03-13 Infrared target simulator with a continues variable size
PCT/KR2014/002056 WO2014142546A1 (en) 2013-03-13 2014-03-12 Apparatus for simulating infrared target having continuously variable size

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KR101419301B1 true KR101419301B1 (en) 2014-07-17

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630053A (en) * 1984-11-28 1986-12-16 The United States Of America As Represented By The Secretary Of The Army Electronically controlled array for simulation of passive target/background signatures at millimeter wavelengths
CN102279093A (en) * 2011-04-13 2011-12-14 中国兵器工业第二〇五研究所 Infrared dynamic triangular target simulator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2209448A5 (en) * 1972-11-03 1974-06-28 Nault Jacques
KR20110003081A (en) * 2009-07-03 2011-01-11 엘아이지넥스원 주식회사 System and method for automatic alignment simulation of target

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4630053A (en) * 1984-11-28 1986-12-16 The United States Of America As Represented By The Secretary Of The Army Electronically controlled array for simulation of passive target/background signatures at millimeter wavelengths
CN102279093A (en) * 2011-04-13 2011-12-14 中国兵器工业第二〇五研究所 Infrared dynamic triangular target simulator

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