JP2878946B2 - Night aiming device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a night sighting device,
In particular, a display device is provided in front of the sighting device for the naked eye, the magnification of the thermal image from the infrared night-vision device is changed and displayed on the display device, and the lens unit provided in the infrared night-vision device is lowered. The present invention relates to a new improvement for facilitating searching and aiming by using a magnification and a high magnification.

[0002]

2. Description of the Related Art A conventional aiming device of this type generally has a structure shown in FIG. In other words, what is indicated by reference numeral 1 in FIG. 2 is a sighting tool, and this sighting tool 1 has a first
It comprises a lens 3 and a second lens 4 provided on the same optical axis as the first lens 3 and has a built-in shooting calculation unit (not shown).

Next, the operation will be described. As shown in FIG. 2, a target 5 such as a tank is observed with the naked eye 2 via the first lens 3 and the second lens 4, a sight is set on the target 5, and a gun is set according to data from the shooting calculation unit. Shoot.

[0004]

Since the conventional night sighting device is configured as described above, there are the following problems. That is, since the aiming tool itself has no aiming ability at night, it has been extremely difficult to visually recognize the target and to exert accurate firepower at night or in bad weather conditions. To improve the aiming ability at night, a dedicated aiming device with a night-vision function can be used, but it is expensive and there is a problem in economy. In addition, in order to accurately hit the target, it is necessary to provide an aiming tool as close as possible to the launching device (especially the gun barrel). In this case, the aiming tool and the infrared night-vision device are integrally formed. As a result, the overall configuration is large, expensive and operable. Furthermore, it is essential that the sighting tool be installed close to the launching device, but in this case, the target will not be visible due to the fire or smoke at the time of firing, and it will be impossible to aim for the next firing,
I had to limit the number of shots fired to reduce fire and smoke. Therefore, the number of bullets fired at one time cannot be increased, and it is difficult to improve the probability of hitting a moving target.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems. In particular, a display device is provided in front of a sighting device for the naked eye, and the heat generated by an infrared night-vision device is applied to the display device. Provided is a night aiming device that makes it easy to search, identify, and aim by changing the magnification of an image to be displayed and using a lens unit provided in the infrared night vision device for low magnification and high magnification. The purpose is to:

[0006]

SUMMARY OF THE INVENTION A night sighting device according to the present invention is provided at a stage preceding a sighting device in a night sighting device in which a target at night is sighted with the naked eye via an optical sighting device. A display device, a signal conversion unit connected to the display device, an infrared night-vision device connected to the signal conversion unit and outputting a thermal image, and a switch provided in the signal conversion unit; and The magnification of the thermal image input to the display device can be varied through the lens unit, and the lens unit provided in the infrared night-vision device has a low magnification and a high magnification, and the operation of the switch Thus, the switching between the low magnification and the high magnification can be performed.

[0007] More specifically, the sighting tool and the infrared night-vision device are provided at separate positions.

[0008]

In the night sighting device according to the present invention, of the thermal image from the infrared night-vision device, the lens portion provided in the infrared night-vision device while being displayed as it is in a narrow field of view (sometimes multiplied by K). For low magnification and high magnification, it is easy to search and identify the target, and a high discovery rate and identification rate can be secured. When aiming, 1x thermal image is displayed on the display device. The shooting calculation function of the aiming tool function similar to that of can be used as it is. In addition, since the display device is provided in front of the sighting device, the infrared night-vision device and the signal conversion unit can be placed at a position away from the sighting device and the launching device. Continuous firing can be performed one after another at short intervals without disappearing.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of a night aiming device according to the present invention will be described below in detail with reference to the drawings. Note that the same or equivalent parts as those in the conventional example will be described using the same reference numerals. In FIG. 1, what is indicated by reference numeral 1 is a sighting tool, and the sighting tool 1 has a first lens 3 for viewing with the naked eye 2.
And a second lens 4 provided on the same optical axis as the first lens, and a well-known shooting calculation unit (not shown) is built therein.

A display device 10 of a liquid type or the like is provided at a position before the second lens 4.
A thermal image (consisting of a video signal (not shown)) 11 a of the target 5 obtained from the infrared night-vision device 11 is input via the signal converter 12.

The signal conversion unit 12 includes first, second and third signals.
A switch 18 having a common contact 17 having a movable contact piece 16 switchable with respect to the contacts 13, 14, 15;
The switch 18 is constituted by either a mechanical rotary type or an electronic switch.

The thermal image 11a is connected to the common contact 17 and the first contact 13 is inputted to the display device 10 through an electronic well-known magnification increasing section 20 having a magnification of K times. 14 is directly input to the display device 10, and the third contact 15 is connected to the display device 10 via a reduction unit 21 for reducing the magnification (1 / n ′) to 1 ×. Have been.

The infrared night-vision apparatus 11 has a lens unit 30 for picking up an image of the target 5.
0 is for low magnification (× n times) and for high magnification (× m
And the movable contact piece 16 of the switch 18.
Is switched to the first contact 13 and the second contact 14, a telephoto thermal image 11a for high magnification is input to the display device 10, and when the movable contact 16 is switched to the third contact 15, A standard (1 ×) thermal image 11 a for low magnification is displayed on the display device 10 via the size reduction unit 21. Note that the size reduction unit 21 displays the 1x thermal image 11 a on the display device 10.
It is provided to change the size of the image according to the size of the display device 10, and is configured such that the size of the display device 10 can be arbitrarily changed and used.

Next, the case of actually aiming at night in the above configuration will be described. First, when the movable contact piece 16 of the switch 18 is switched to the second contact point 14, the lens unit 30 is switched to high magnification (× m) in conjunction therewith, and the obtained high magnification narrow field thermal image 11a is obtained. The information is displayed on the display unit 10 via the two contacts 14.

In the above-described state, the target 5 is searched by the naked eye 2 using the sighting tool 1 and the movable contact piece 16 of the switch 18 is switched to the third contact point 15 when the prompting of the target 5 is completed. The lens unit 30 is switched to low magnification (× n) in conjunction with the operation, and the obtained 1 × thermal image 11 a of low magnification is reduced in size to a known electronic type having a reduction rate of × 1 / n ′. Part 21
Is displayed on the display device 10 through In this case, the one-time thermal image 11a is automatically corrected by the size reduction unit 21 so as to be an image suitable for the display device 10 according to the size of the display device 10 used at that time.

In the above-described state, the aiming of the target 5 is determined again using the aiming tool 1, and a bullet can be fired at the target 5 from a firing device (not shown). In addition, when the search is performed using the aforementioned narrow-field thermal image 11a, the switch 1
8 is switched to the first contact point, and the magnification increasing section 20 is switched.
The search can be performed as a thermal image in a state in which the magnification at that time is further increased via.

In the case of the above-described configuration, the infrared night-vision device 11 is provided separately from a firing device (not shown) to which the sighting tool 1 is attached, so that a flame generated from the firing device at the time of firing is provided. Smoke, smoke, and the like do not reach the infrared night-vision device 11 and can be fired one after another unlike the conventional method.

[0018]

The night sighting device according to the present invention is configured as described above, so that the following effects can be obtained. In other words, a high discovery rate / identification rate is secured by an image with a high magnification at the time of searching, and a shooting calculation function of the conventional aiming tool function can be used as it is at the time of aiming with an image of × 1 and an infrared night vision device is provided. Since the lens units used for low magnification and high magnification are used, search and aiming can be performed with high accuracy and speed. In addition, since the mounting position of the infrared night-vision device can be separated from the sighting tool and the influence from the fire smoke and flame at the time of shooting can be minimized, it is easy to fire continuously, and without increasing the weight of the firing device itself, Searching and aiming functions can be greatly improved. Also, not only at night, but also in fog and cloudy conditions, it is easy to aim, and the search is performed with a narrow-field thermal image. Aiming position can be followed.

[Brief description of the drawings]

FIG. 1 is a configuration diagram illustrating a night aiming device according to the present invention.

FIG. 2 is a configuration diagram showing a conventional night aiming device.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 sighting tool 2 naked eye 5 target 10 display device 11 infrared night vision device 11 a thermal image 12 signal conversion unit 18 switch 30 lens unit

Claims (2)

(57) [Claims] 1. A night aiming device in which a target (5) at night is aimed with the naked eye (2) via an optical aiming device (1), provided at a stage preceding the aiming device (1). Display device (1
0), and a signal conversion unit (12) connected to the display device (10).
An infrared night-vision device (11) connected to the signal conversion unit (12) and outputting a thermal image (11a), and a switch (18) provided in the signal conversion unit (12), the switch (18) is configured to be able to change the magnification of the thermal image (11a) input to the display device (10) through the infrared night vision device
The lens unit (30) provided in (11) is composed of a low magnification and a high magnification, and can be switched between the low magnification and the high magnification by operating the switch (18). A night aiming device characterized by the following. 2. The sighting tool (1) and the infrared night-vision device (1)
The night aiming device according to claim 1, wherein the night aiming device is provided at a position apart from (1).