JP5378257B2 - Improved aiming device with moving red dots - Google Patents

Abstract

The cabinet (1) has a heat exchanger (11) connected to an external water source (17) via an external supply portion (12). An inlet (14) is arranged in a wall of the cabinet, and a water buffer (6) is fitted with the cabinet. A flow regulator (16) for regulating coolant flow through the heat exchanger is fitted between the supply portion and the water source, where the heat exchanger is connected to an external reservoir (18) through an external outlet section (13). A fan is driven by an electric motor located outside the cabinet.

Description

  The present invention relates to an improved aiming device comprising a moving red dot.

  In particular, the present invention relates to a sighting device of the type provided with “moving red dots” described in Patent Document 1 of the same inventor name, which is attached by reference.

  The present invention relates to a sighting device designed to be mounted on a firearm that has a non-flat ballistic trajectory and needs to shoot with an elevation angle according to the target distance, for example, a firearm that fires a grenade About.

  With this type of aiming device, when aiming the dot or reticle at the aim, a bright dot or bright reticle is used at the firing angle relative to the firearm so that the shooter can obtain the correct elevation angle of the firearm. Projected to infinity.

  A sighting device comprising moving red dots according to US Pat. No. 6,057,049 comprises a fixed light source, a rotating mirror, and a flat reflector or more generally a reflective surface. The light source is projected onto a reflecting surface and is reflected off the reflecting surface to generate a parallel light beam that gives a red dot or reticle that looks like a shooter. The beam is projected onto the reflecting surface using a rotating mirror. For the tilt angle of the rotating mirror with respect to the generated light beam, in order to adjust the launch angle relative to the reference direction of the aiming device, within which the red dot is found in the shooter, within the launch angle range between the minimum and maximum launch angles Can be adjusted to.

  By using the aiming device thus obtained, the shooter can adjust the angle of the rotary mirror in accordance with the type of bullets used and the distance to the target. The distance mentioned here can be measured or estimated by the shooter.

  The angle of the rotating mirror is adjusted, for example, using a control button having a scale calibrated according to the distance to the target. Alternatively, it is adjusted using an actuator controlled by an arithmetic system that can calculate the angle applied to the rotating mirror as a function of distance and optionally as a function of the type of ammunition selected.

  Once the angle of the rotating mirror is set, the shooter observes the target and finds the elevation angle of the firearm that the red dot matches with the target, that is, the elevation angle that indicates that the firearm is in the optimal firing position Just do it.

  One drawback of this type of aiming device is that the longer the launch angle to be obtained, the longer the reflective surface becomes, so the maximum launch angle is limited by the length of the reflective surface in the light beam plane. It is.

  Therefore, in order to be able to use the maximum range of any ballistic ammunition, it must be possible to fire at an angle of 40 ° or more, but this requires a relatively long reflective surface, This will adversely affect the size of the device.

European Patent 1,818,645

  The present invention aims to remedy the above-mentioned drawbacks, and comprises a moving red dot comprising a small mirror-like reflective surface or semi-reflective surface that makes it possible to obtain a launch angle of about 40 ° or more. An object is to provide an aiming device.

  This object is achieved according to the invention by using an aiming device comprising moving red dots of the type described above, comprising at least one optical device. The optical device is arranged in the light beam path between the rotating mirror and the shooter's eye so that the trajectory of the light beam between the rotating mirror and the shooter's eye changes, and In at least part of the range, preferably at least in the launch angle region close to the maximum launch angle, any trajectory change that occurs in the light beam causes the trajectory that the light beam travels between the rotating mirror and the reflecting surface to be short at the same launch angle. It is made into the shape which becomes.

  The optical device “compresses” the beam path in a sense. This optical compression is performed in order to shorten the locus of the incident point of the light beam drawn on the reflecting surface by rotating the rotating mirror between two firing angles in at least a part of the above-mentioned firing angle range.

  Due to this effect, a launch angle of 40 ° or more can be obtained even when a reflecting surface having a shorter length than the reflecting surface of the sighting device not provided with the optical device according to the present invention is used.

  As a result, such an aiming device can be smaller than an aiming device of the same type that includes a flat reflector but does not include these additional optical means.

1 is a schematic side view of an improved aiming device according to the state of the art, shown in a resting position. FIG. It is sectional drawing along line II-II of FIG. It is a figure which shows the aiming apparatus of FIG. 1 in the case of a different launch angle. It is a figure which shows the aiming apparatus of FIG. 3A in a launching attitude. FIG. 2 shows the trajectory of the light beam in the aiming device of FIG. 1 for different launch angles. It is a figure similar to FIG. 4 of the modification of the aiming apparatus by this invention. It is a figure similar to FIG. 4 of the modification of the aiming apparatus by this invention. It is a figure similar to FIG. 4 of the modification of the aiming apparatus by this invention. It is a figure similar to FIG. 4 of the modification of the aiming apparatus by this invention. It is a figure similar to FIG. 4 of the modification of the aiming apparatus by this invention. It is a figure similar to FIG. 4 of the modification of the aiming apparatus by this invention. It is a figure similar to FIG. 4 of the modification of the aiming apparatus by this invention.

  Several embodiments of an improved aiming device with moving red dots according to the present invention will now be described with reference to the accompanying drawings. These are given by way of example only to clarify the invention and are in no way limiting.

  1 and 2 show an aiming device according to the current technology described in Patent Document 1. FIG.

Patent Document 1 relates to an aiming device 1 including a moving red dot, which includes a case 2 attached to a firearm 3 . The case 2 extends in the longitudinal direction mainly parallel to the gun barrel axis of the firearm 3.

  A fixed light source 4 is disposed inside the case 2. A light source 4 generates a parallel light beam 5. In this example, the optical axis X-X ′ of the central ray 5 ′ of the parallel light beam 5 is parallel to the gun barrel axis of the firearm 3.

  In this example, the light source 4 is a collimator composed of a focusing lens 6 and a lamp or other light source 7 having a reduced size, for example, approximately 1/10 millimeter, in the form of a dot. A lamp or other light source 7 is placed in the focal point 8 of the lens 6 to create a red dot.

  The diameter A of the collimated light beam 5 is on the order of 15 to 20 millimeters, which has the advantage that the cross-sectional dimensions of the width and height of the aiming device 1 are small compared to known aiming devices.

  The mirror 9 is arranged in the parallel beam 5 with an angle B with respect to the optical axis X-X ′ of the generated light beam 5.

  The mirror 9 is rotatably mounted in the case 2 by being fixed to a lateral shaft 10 that is rotatably mounted between both side walls 11 of the case 2.

One distal end 12 of the shaft 10 of the mirror 9 projects out of one lateral wall 11 of the case 2 and is provided with an adjusting device 13. The adjusting device 13 is for adjusting the tilt angle B of the rotary mirror 9 with respect to the generated light beam 5, for example, a rotary control button 13 that allows the shooter to position the mirror 9 according to the distance of the target. It is provided in the form.

The control button 13 can be provided with a scale 15 indicating the distance to the target, or another scale for another type of gun shell and taking into account its ballistic characteristics.

  The light beam 5 is projected through a window 16 in the case 2 onto a reflective surface 17 in the form of a reflector 17 to produce red dots or reticles that can be seen by the shooter on the surface 17 of the reflector. The surface 17 of the reflector is attached to the far end 18 of the case 2 with a fixed angle C of, for example, 45 ° with respect to the optical axis X-X ′ of the generated light beam 5.

  The aiming device 1 is used as follows.

  When resting, that is, when aiming in the axis of the firearm 3 with the elevation angle E being zero, that is, when aiming with the firearm in a horizontal position as shown in FIG. 1, the resting angle B of the mirror 9 is, for example, 45 °. Become. The launch angle D at that time is 0 °. The launch angle D is an angle between the light beam 5 reflected by the reflecting surface 17 and the optical axis X-X ′ or the axis of the firearm 3.

  The shooter 19 estimates the target distance and sets an appropriate tilt angle B of the mirror 9 using the control button 13 with a scale indicating the distance.

  The light beam 5 is projected onto the reflective surface 17 and further reflected toward the shooter 19 to create red dots or reticles, as shown in FIG. The red dot or reticle only needs to be able to be observed at infinity by the shooter 19 when the eye of the shooter 19 is in the light beam 5 reflected by the reflecting surface 17.

  When the mirror 9 is rotated as shown in FIG. 3A, the change in the beam angle D is twice the change in the angle B of the mirror 9. In other words, when the mirror 9 rotates, for example, by 15 ° with respect to the 45 ° resting posture, the angle D increases from 0 ° to 30 °.

  Therefore, the angle D at which the red dot can be seen by the shooter 19 is determined by the tilt angle B of the mirror 9 as a function of the distance of the target 14, and as a result, the elevation angle E applied to the firearm 3 is determined as shown in FIG. 3B. At this time, the shooter is aligning a red dot or reticle with the target 14 that appears next to or over the reflecting surface 17.

  FIG. 4 shows the trajectory of the central ray 5 ′ of the parallel beam 5 for four different values of the angle B of the rotating mirror 9 and thus for four corresponding values of the launch angle D. The figure specifically shows the trajectories for launch angles D of 0 °, 10 °, 20 °, 30 ° and 38 °, respectively.

The incident point I on the reflecting surface 17 of the central ray 5 ′ of the light beam 5 is located at the point I ₀ at the launch angle D of 0 °. On the other hand, the incident point I at the launch angle D of 38 ° is located at the point I ₃₈ at the most distant end of the reflecting surface 17. Thus, incidence point I of the central ray 5 'is moved to the point I ₃₈ relative to firing angle from point I ₀ 38 ° with respect to the firing angle of 0 °.

Accordingly, the length L of the reflecting surface 17 in the plane of the light beam 5 is determined by the distance between the incident points I ₃₈ and I ₀ at both ends, and hence by the desired maximum emission angle D. In the case of FIG. 4, the maximum firing angle D is close to 40 °.

  In the case of FIG. 4, the length L of the reflecting surface is relatively important.

  The present invention aims at still being able to obtain a launch angle D of about 40 ° or more while limiting the length L of the reflective surface 17 without affecting the maximum launch angle.

This object is achieved according to the invention by introducing one or several transparent optical devices between the rotary mirror 9 and the eye of the shooter 19. The optical device has a suitable shape for deflecting the rays of the parallel light beam 5 to change the way it is incident on the specular reflecting surface 17 , as opposed to the case without the optical device 20 at the same launch angle D. Have

  In the case of FIG. 5, the optical device 20 is arranged between the rotary mirror 9 and the reflecting surface 17 and is placed parallel to the optical axis XX ′ and has a transparent device 21 having a rectangular cross section in the beam plane. It is realized as.

  As can be seen by comparing FIG. 4 without the optical device 20 and FIG. 5 with the optical device 20, the transparent optical device 21 refracts the light beam 5, and rotates the mirror 9 and the reflection surface 17. It is designed to shorten the length of the trajectory OI of the beam 5 with respect to the incident point I. The length of the orbit OI decreases as the refractive index of the optical device 20 increases.

The path OI of the beam 5 is so-called “compressed” by the optical device 20. This compression effect higher launch angle D increases increases, whereby 0 and the incident point I ₀ of the beam 5 at the time of firing angles °, the incident point of time of the firing angle of 38 ° close to the maximum firing angle D I ₃₈ The distance between is limited.

  Therefore, the optical device 20 limits the length L of the reflecting surface 17 necessary to obtain the maximum launch angle.

  Naturally, the optical device 20 must have a sufficient thickness in order to significantly shorten the length L of the reflecting surface 17 due to the compression effect.

  Note that the rectangular configuration of optical compression device 20 shown in FIG. 5 is merely an example, and other configurations such as optical compression device 22 having a triangular cross-section shown in FIG. 6 may be used. I want to be.

FIG. 6 shows how the refraction that occurs at the hypotenuse 23 changes the relationship between the angle B of the rotating mirror 9 and the resulting firing angle D, and thus the mirror setting rule is the firing to be obtained. It shows that it has to be adapted as a function of the angle, i.e. as a function of the target distance, and at a small launch angle, the beam trajectory OI between the rotating mirror 9 and the reflecting surface 17 is slightly longer while It is also shown that the trajectory OI is shortened at a large launch angle, and the desired effect is produced, that is, the length of the reflecting surface 17 necessary for obtaining the maximum launch angle is shortened.

  Unlike the rectangular device 21 of FIG. 5, the triangular device 22 shown in FIG. 6 is not a standard optical component. However, compared to the rectangular device 21, the triangular device 22 is smaller and as a result is advantageous in that it is lighter and will be of interest for lightweight firearm applications.

5 and 6, the optical device 20 is disposed between the rotary mirror 9 and the reflecting surface 17. As shown in FIG. 7, the optical device 20 may be disposed at the far end of the aiming device 1, that is, between the reflecting surface 17 and the eye of the shooter 19. In this case as well, the refraction generated in the beam 5 by the optical device 20 shortens the trajectory OI along which the beam 5 travels between the rotary mirror 9 and the reflecting surface, and brings about a desired effect. That is, the length L of the reflecting surface necessary for obtaining the maximum launch angle is shortened.

  In the example of FIG. 7, it can be seen that the length L is significantly shortened. However, this advantage is partially lost due to the space required for the optical device 20.

  Of course, an optical compression device placed between the reflection surface 17 and the eye of the shooter 19 may be combined with an optical compression device placed between the rotary mirror 9 and the reflection surface 17.

  As shown in FIG. 8, according to an advantageous embodiment of the invention, the optical device 20 used for compressing the path of the beam 5 is a prism 24 with a right isosceles triangle shape, and the hypotenuse 25 of the prism 24 is It plays the role of the reflecting surface 17.

  It should be noted that the prism 24 is interposed between the rotary mirror 9 and the reflecting surface 17 that forms the hypotenuse 25 of the prism 24 as well as between the reflecting surface 17 and the eyes of the shooter 19. This configuration, in addition to integrating the optical compression device 20 and the reflective surface 17 into a single component, also maximizes the portion of the light beam 5 trajectory that is inside the prism glass, thereby compressing the above-described compression. It is also advantageous in maximizing the effect.

  However, as shown in FIG. 9, since the reflecting surface 17 is formed with the hypotenuse 25, the reflecting surface 17 reflects all the light rays coming from the target 14, and therefore the prism is not transparent.

  In order to remedy this problem, as shown in FIG. 10, the prism 24 may be replaced with a beam splitter cube 26 which is an assembly in which two right-angle prisms are bonded together at their hypotenuses 25. The right-angle prism is coated with a suitable adhesive or coating film that makes the reflecting surface formed by the hypotenuse 25 translucent and makes the structure of the beam splitter cube 26 translucent.

  Another variant of the optical device according to the invention is shown in FIG. Here, the optical device 20 is shown in the form of a reflective surface 17 formed as a surface curved convexly toward the rotary mirror 9.

  The present invention is in no way limited to the examples described above, and many modifications can be made to the aiming device comprising the moving red dots described above within the scope of the invention as defined in the appended claims. it is obvious.

Claims (14)

  A fixed light source (4), a rotating mirror (9), and a reflective surface (17) are provided, and the light source (4) is projected onto the reflective surface (17) and reflected by the reflective surface (17). This produces a parallel light beam (5) that gives a red dot or reticle visible to the archer (19), and the beam (5) is projected onto the reflecting surface (17) via the rotating mirror (9). As for the tilt angle (B) of the rotating mirror (9) with respect to the generated light beam (5), the reference direction of the aiming device (1) where the red dot is found by the shooter (19) ( Said aiming device comprising moving red dots, which can be adjusted to adjust the firing angle (D) relative to XX ′) within a launch angle range between a minimum launch angle and a maximum launch angle, The movable mirror (9) and the shooter (1 ) So that the trajectory of the light beam (5) between the eyes of the rotating mirror (9) and the eye of the shooter (19) changes. At least one optical device (20) disposed in the path of (5), wherein the shape of the optical device (20) is at least part of the firing angle range by the optical device (20). The orbit (OI) that the light beam (5) travels between the rotating mirror (9) and the reflecting surface (17) at the same launch angle due to any orbital change that occurs in the light beam (5). An aiming device, characterized in that is shortened.   Due to any trajectory change caused to the light beam (5) by the optical device (20), the shape of the optical device (20) is at least in the region of the launch angle close to the maximum launch angle (D). The orbit (OI) along which the light beam (5) travels between the rotating mirror (9) and the reflecting surface (17) at the same launch angle is shortened. Item 4. The aiming device according to item 1. The optical device (20) is disposed in the orbit of the light beam (5) between the rotating mirror (9) and the eye of the shooter (19), and at the same launch angle (D) In contrast to the case without the optical device (20), refraction is used to deflect the light beam of the parallel light beam (5) to change the way it enters the specular reflecting surface (17) . 3. Aiming device according to claim 1 or 2, characterized in that it comprises at least one transparent device (21, 22, 24, 26).   Aiming according to claim 3, characterized in that the optical device (20) is arranged in the path of the light beam (5) between the rotating mirror (9) and the reflecting surface (17). apparatus.   5. Aiming device according to claim 3 or 4, characterized in that the optical device (20, 21) has a rectangular cross section in the plane of the beam (5).   5. Aiming device according to claim 3 or 4, characterized in that the optical device (20, 22) has a triangular cross-section in the plane of the beam (5).   Aiming device according to claim 3 or 4, characterized in that the optical device (20) comprises an isosceles right triangular prism (24) whose hypotenuse (25) serves as a reflecting surface (17). .   Aiming device according to any one of the preceding claims, characterized in that the reflective surface (17) is a translucent surface.   The optical device (20) includes a beam splitter cube (26) which is an assembly in which two prisms (24) are bonded to each other with their hypotenuses (25), and the structure of the beam splitter cube (26) is half 9. Aiming device according to claim 8, characterized in that their contact surfaces are coated with a suitable adhesive or coating to be clarified.   Aiming device according to any one of the preceding claims, characterized in that the optical device (20) comprises a curved reflecting surface (17).   11. The optical device (20) according to claim 10, characterized in that the optical device (20) is formed as the reflecting surface (17), which is realized as a convexly curved surface towards the rotating mirror (9). Aiming device.   The aiming device according to any one of claims 1 to 11, wherein the maximum launch angle is about 40 ° or more.   A fixed light source (4), a rotating mirror (9), and a reflective surface (17) are provided, and the light source (4) is projected onto the reflective surface (17) and reflected by the reflective surface (17). This produces a parallel light beam (5) that gives a red dot or reticle visible to the archer (19), and the beam (5) is projected onto the reflecting surface (17) via the rotating mirror (9). As for the tilt angle (B) of the rotating mirror (9) with respect to the generated light beam (5), the reference direction of the aiming device (1) where the red dot is found by the shooter (19) ( XX ′) can be adjusted to adjust the launch angle (D), the maximum launch angle is limited by the length (L) of the reflective surface (17) in the plane of the light beam (5) Said aiming device comprising a moving red dot In order to shorten the length (L) of the reflecting surface (17) necessary for the aiming device (1) to obtain the same maximum launch angle as that without optical means, the light beam ( A sighting device comprising the optical means (20) for changing the trajectory of 5).   A fixed light source (4), a rotating mirror (9), and a reflective surface (17) are provided, and the light source (4) is projected onto the reflective surface (17) and reflected by the reflective surface (17). This produces a parallel light beam (5) that gives a red dot or reticle visible to the archer (19), and the beam (5) is projected onto the reflecting surface (17) via the rotating mirror (9). As for the tilt angle (B) of the rotating mirror (9) with respect to the generated light beam (5), the reference direction of the aiming device (1) where the red dot is found by the shooter (19) ( An aiming device with moving red dots that can be adjusted to adjust the firing angle (D) relative to XX ′) within a firing angle range between a minimum firing angle and a maximum firing angle, The rotating mirror (9) and the archer (19) The aiming device (1) is arranged such that the aiming device (1) changes the light beam (5) between the rotating mirror (9) and the eye of the shooter (19) so that the trajectory of the light beam (5) to the eye changes. At least one optical device (20) disposed in the path of the optical device (20), wherein the optical device (20) includes two rotating mirrors (9) within at least a portion of the range of the firing angle. The incident point of the light beam (5) traveling on the reflecting surface (17) by any trajectory change caused to the light beam (5) by the optical device (20) by rotating between the launch angle positions. A sighting device provided with moving red dots, characterized by having a shape that shortens the trajectory.

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