阅读说明：本技术 一种全息衍射瞄准镜 (Holographic diffraction sighting telescope ) 是由 贺叶叶 苏金练 林琪柠 于 2021-06-30 设计创作，主要内容包括：本发明提供了一种全息衍射瞄准镜,包括镜体,所述镜体内设有用于发射扩散光的激光器、用于对扩散光进行一次反射的第一反射镜、用于对扩散光进行二次反射的第二反射镜、用于对扩散光进行滤波并衍生出平行光的H衍射光栅滤波片以及用于对平行光分化出水平方向上的全息瞄准图像的F全息图像视窗片,所述激光器发射出的扩散光依次经第一反射镜、第二反射镜、H衍射光栅滤波片后到达F全息图像视窗片形成全息瞄准图像供人眼观察。能够有效提高全息瞄准图像的清晰度,解决激光中心波长漂移问题,进而减少焦距、像差、视差、瞄准分画版图像模糊噪声大、亮度低、产生孪生像等情况,提高瞄准精度。(The invention provides a holographic diffraction sighting telescope which comprises a telescope body, wherein a laser device used for emitting diffused light, a first reflecting mirror used for carrying out primary reflection on the diffused light, a second reflecting mirror used for carrying out secondary reflection on the diffused light, an H diffraction grating filter used for filtering the diffused light and deriving parallel light, and an F holographic image window sheet used for dividing the parallel light into holographic sighting images in the horizontal direction are arranged in the telescope body, and the diffused light emitted by the laser device sequentially passes through the first reflecting mirror, the second reflecting mirror and the H diffraction grating filter and then reaches the F holographic image window sheet to form holographic sighting images for observation of human eyes. The method can effectively improve the definition of the holographic aiming image, solve the problem of laser center wavelength drift, further reduce the focal length, aberration, parallax, large fuzzy noise of the aiming split picture image, low brightness, twin image generation and the like, and improve the aiming precision.)

1. A holographic diffractive sighting telescope, comprising: including the mirror body, the internal laser instrument that is used for launching diffuse light that is equipped with of mirror, be used for carrying out the first speculum of primary reflection to diffuse light, be used for carrying out the second mirror of secondary reflection to diffuse light, be used for carrying out the filtering and deriving out the H diffraction grating filter plate of parallel light and be used for differentiating out the F holographic image window piece that the holographic image of aiming on the horizontal direction was aimed to parallel light, diffuse light that the laser instrument launches arrives F holographic image window piece formation holographic image of aiming at behind first speculum, second mirror, H diffraction grating filter plate in proper order and supplies people's eye to observe.

2. The holographic diffractive sighting telescope of claim 1, wherein: the mirror body is internally provided with an installation frame used for installing the laser and the first reflector, the installation frame comprises a first installation part and a second installation part, the first installation part is horizontally arranged, the second installation part is obliquely arranged, a connecting piece is arranged between the first installation part and the second installation part, the laser can be arranged in the first installation part in a front-back adjusting mode, and the first reflector is fixedly arranged on the second installation part.

3. The holographic diffractive sighting telescope of claim 1, wherein: the mirror body is provided with a closed position adjusting mechanism used for installing and adjusting the left position, the right position, the upper position and the lower position of the second reflecting mirror, and the second reflecting mirror is arranged on the closed position adjusting mechanism.

4. The holographic diffractive sighting telescope of claim 3, wherein: the dense position adjusting mechanism comprises a support, a first sliding block, a first adjusting rod, a second sliding block and a second adjusting rod, the first adjusting rod and the second adjusting rod are both screw rods, the first sliding block and the second sliding block are provided with screw holes matched with the screw rods, the support is provided with a slope matched with the second sliding block, and the second reflecting mirror is fixedly arranged on the first sliding block.

5. The holographic diffractive sighting telescope of claim 1, wherein: the mirror body is provided with a first slot for installing the H diffraction grating filter and a second slot for installing the F holographic image window, and the first slot and the second slot are vertically arranged.

6. The holographic diffractive sighting telescope of claim 1, wherein: an optical protection plate is fixedly arranged in front of the F holographic image window sheet and is vertically arranged.

7. The holographic diffractive sighting telescope of claim 1, wherein: the rear end of the mirror body is provided with a circuit board controller and a power supply device, the power supply device is connected with the laser device and the circuit board controller comprises a switch module for controlling the switch of the laser device and a brightness adjusting module for controlling the brightness of the holographic aiming image.

8. The holographic diffractive sighting telescope of claim 7, wherein: the switch module comprises a switch key, the brightness adjusting module comprises a brightness increasing key and a brightness reducing key, and the switch key, the brightness increasing key and the brightness reducing key are all arranged at the rear end of the mirror body and electrically connected with the circuit board controller.

9. The holographic diffractive sighting telescope of claim 7, wherein: the power supply device is a dry battery, the mirror body is provided with a battery compartment for mounting the dry battery, and a compartment cover is detachably arranged on the outer side of the battery compartment.

10. The holographic diffractive sighting telescope of claim 1, wherein: the bottom of the mirror body is provided with a dovetail adjusting mechanism, and the dovetail adjusting mechanism is locked and fixed with the bottom of the mirror body through a screw.

Technical Field

The invention relates to the field of optical sighting telescope, in particular to a holographic diffraction sighting telescope.

Background

The holographic diffraction sighting device is a revolutionary quick sighting device which can directly observe the impact point and uses the impact point as sighting mark, and it has the advantages of quick sighting, high-accuracy shooting, and can be normally used in extreme environment, and can be equipped with various firearms, grenade cannons and rocket tubes. At present, the holographic diffraction sighting device cannot effectively overcome the central wavelength drift of the laser device in China, further improvement of the collimation precision of the laser device is limited, and further the phenomena of large fuzzy noise, low brightness, twin image and the like of focal length, aberration, parallax and aiming split plate images are directly caused, so that large errors exist in aiming, and the sighting device cannot be used for actual combat.

Disclosure of Invention

The invention provides a holographic diffraction sighting telescope, aiming at solving the problems that aiming images are fuzzy, low in brightness, twin images and the like caused by the fact that the existing sighting telescope cannot overcome central wavelength drift of a laser.

In order to realize the purpose of the invention, the technical scheme adopted by the invention is as follows:

the utility model provides a holographic diffraction gun sight, includes the mirror body, be equipped with the laser instrument that is used for launching diffuse light in the mirror body, be used for carrying out the first speculum of primary reflection, be used for carrying out the second mirror of secondary reflection to diffuse light, be used for carrying out the filtering and derive the H diffraction grating filter plate of parallel light and be used for differentiating out the F holographic image window piece of the holographic image of aiming on the horizontal direction to the parallel light to diffuse light, the diffuse light that the laser instrument launches arrives F holographic image window piece formation holographic image of aiming at behind first speculum, second mirror, H diffraction grating filter plate in proper order and supplies people's eye to observe.

Preferably, the mirror is internally provided with an installation frame for installing the laser and the first reflector, the installation frame comprises a first installation part and a second installation part, the first installation part is horizontally arranged, the second installation part is obliquely arranged, a connecting piece is arranged between the first installation part and the second installation part, the laser can be arranged in the first installation part in a front-back adjusting mode, and the first reflector is fixedly arranged on the second installation part.

Preferably, the mirror body is provided with a close position adjusting mechanism for installing and adjusting the left and right positions and the up and down positions of the second reflecting mirror, and the second reflecting mirror is arranged on the close position adjusting mechanism.

Preferably, the close position adjusting mechanism comprises a support, a first sliding block, a first adjusting rod, a second sliding block and a second adjusting rod, the first adjusting rod and the second adjusting rod are both screw rods, the first sliding block and the second sliding block are provided with screw holes matched with the screw rods, the support is provided with a slope matched with the second sliding block, and the second reflecting mirror is fixedly arranged on the first sliding block.

Preferably, the mirror body is provided with a first slot for installing the H diffraction grating filter and a second slot for installing the F holographic image window piece, and the first slot and the second slot are vertically arranged.

Preferably, an optical protection plate is fixedly arranged in front of the F holographic image window sheet, and the optical protection plate is vertically arranged.

Preferably, the rear end of the mirror body is provided with a circuit board controller and a power supply device, the power supply device is connected with the laser device and the circuit board controller comprises a switch module for controlling the switch of the laser device and a brightness adjusting module for controlling the brightness of the holographic aiming image.

Preferably, the switch module comprises a switch key, the brightness adjusting module comprises a brightness increasing key and a brightness reducing key, and the switch key, the brightness increasing key and the brightness reducing key are all arranged at the rear end of the mirror body and electrically connected with the circuit board controller.

Preferably, the power supply device is a dry battery, the mirror body is provided with a battery bin for mounting the dry battery, and a bin cover is detachably arranged on the outer side of the battery bin.

Preferably, the bottom of the mirror body is provided with a dovetail adjusting mechanism, and the dovetail adjusting mechanism is locked and fixed with the bottom of the mirror body through a screw.

The invention has the following beneficial effects:

1. the invention processes light rays through the H diffraction grating filter plate and the F holographic image window plate and generates a holographic aiming image, can effectively improve the definition of the holographic aiming image, solves the problem of laser central wavelength drift, further reduces the conditions of focal length, aberration, parallax, high fuzzy noise, low brightness, twinning generation and the like of an aiming sub-picture image, and improves the aiming precision.

2. The invention is provided with two reflectors, and the light path direction is changed twice, so that the distance between the laser and each lens is reduced, the volume of the lens body is reduced, and the light weight effect is achieved.

Drawings

FIG. 1: the invention is a schematic cross-sectional structure;

FIG. 2: the invention is a schematic three-dimensional structure;

FIG. 3: the invention discloses a schematic view of an installation structure of a laser and a first reflector;

FIG. 4: the invention discloses a structural schematic diagram of a secret position adjusting mechanism;

FIG. 5: the invention discloses a schematic diagram of a manufacturing method of an F holographic image window sheet;

FIG. 6: the manufacturing method of the H diffraction grating filter is schematically shown;

in the figure: 10. a mirror body; 11. a mounting frame; 111. a first mounting portion; 112. a second mounting portion; 113. connecting sheets; 12. a secret position adjusting mechanism; 121. a support; 1211. a slope; 122. a first slider; 123. a first adjusting lever; 124. a second slider; 125. a second adjusting lever; 13. a circuit board controller; 131. switching a key; 132. a brightness increasing key; 133. a brightness reducing key; 14. a battery compartment; 141. a bin cover; 20. a laser; 30. a first reflector; 40. a second reflector; 50. h diffraction grating filter plate; 60. f, holographic image window sheets; 70. an optical protective sheet; 80. a dovetail adjustment mechanism.

Detailed Description

The existing sighting telescope can not overcome the problem that the central wavelength of a laser drifts, so that the sighting image is fuzzy, the brightness is low, a twin image appears and the like. Therefore, the present invention provides a new solution, which will be described in detail below with reference to the accompanying drawings for better clarity.

Referring to fig. 1-2, a holographic diffractive sighting telescope comprises a telescope body 10, wherein a laser 20 for emitting diffused light, a first reflector 30 for reflecting the diffused light for the first time, a second reflector 40 for reflecting the diffused light for the second time, an H-diffraction grating filter 50 for filtering the diffused light and deriving parallel light, and an F-holographic image window 60 for splitting the parallel light into a holographic sighting image in the horizontal direction are arranged in the telescope body 10. The laser device 20 and the first reflecting mirror 30 are located on the same horizontal line, the second reflecting mirror 40 and the H diffraction grating filter 50 are located on the same horizontal line, and the laser device 20, the H diffraction grating filter 50 and the F holographic image window piece 60 are sequentially arranged from bottom to top. The diffused light emitted by the laser 20 sequentially passes through the first reflector 30, the second reflector 40 and the H diffraction grating filter 50 and then reaches the F holographic image window sheet 60 to form a holographic aiming image for human eyes to observe.

Referring to fig. 3, a mounting frame 11 for mounting the laser 20 and the first reflector 30 is disposed in the mirror body 10, the mounting frame 11 includes a first mounting portion 111 disposed horizontally and a second mounting portion 112 disposed obliquely, and a connecting piece 113 is disposed between the first mounting portion 111 and the second mounting portion 112. The first mounting portion 111, the second mounting portion 112 and the connecting piece 113 are integrally formed. First installation department 111 is a sleeve, the cover that laser instrument 20 can be adjusted from beginning to end is established in first installation department 111, through adjusting position and then realize the regulation of focus around laser instrument 20's the level, prevent to lead to holographically aiming the image fuzzy because of focus error, the influence aims the accuracy. The first reflecting mirror 30 is fixedly provided on the second mounting portion 112.

Referring to fig. 4, the mirror body 10 is provided with a close position adjusting mechanism 12 for mounting and adjusting the left and right positions and the up and down positions of the second reflecting mirror 40, and the second reflecting mirror 40 is arranged on the close position adjusting mechanism 12.

The density adjustment mechanism 12 includes a bracket 121, a first slider 122, a first adjustment lever 123, a second slider 124 capable of moving left and right, and a second adjustment lever 125. The first adjusting rod 123 and the second adjusting rod 125 are both screws, and the first slider 122 and the second slider 124 are provided with screw holes matched with the screws. The bracket 121 is provided with a slope 1211 matched with the second sliding block 124, and the second sliding block 124 is abutted against the side wall of the bracket 121. The second reflecting mirror 40 is fixedly disposed on the first slider 122. The first adjusting rod 123 is rotated, the first sliding block 122 moves left and right in the bracket 121, and the second reflecting mirror 40 is driven to move left and right; when the second adjusting rod 125 is rotated, the second sliding block 124 moves left and right to abut against the slope 1211, so as to drive the whole bracket 121 to move up and down, and further drive the second reflecting mirror to move up and down.

The first adjusting rod 123 and the second adjusting rod 125 are both sleeved with springs, so that the adjusting precision can be improved.

It should be noted that the displacement amount of the second reflecting mirror 40 in the left-right position and the up-down position is small, but the displacement amount has a large influence on the actual deviation, and the aiming at different distances can be adapted by the density adjustment, so that the aiming accuracy is improved.

Referring to fig. 1 to 2, the mirror body 10 is provided with a first insertion groove (not shown) for installing the H-diffraction grating filter 50 and a second insertion groove (not shown) for installing the F-hologram image window piece 60, and the first insertion groove and the second insertion groove are both vertically arranged.

The H diffraction grating filter 50 and the F holographic image window 60 are both made of silver salt, photosensitive polymer or gelatin of heavy hydrochloric acid.

An optical protection sheet 70 is fixedly arranged in front of the F holographic image window sheet 60, and the optical protection sheet 70 is vertically arranged. Dust and the like can be prevented from entering the mirror body 10 and affecting the optical path system.

The rear end of the mirror body 10 is provided with a circuit board controller 13 and a power supply device, the power supply device is connected with the laser 20 and the circuit board controller 13, and the circuit board controller 13 comprises a switch module for controlling the laser 20 to be switched on and off and a brightness adjusting module for controlling the brightness of the holographic aiming image.

The switch module comprises a switch key 131, the brightness adjusting module comprises a brightness increasing key 132 and a brightness reducing key 133, and the switch key 131, the brightness increasing key 132 and the brightness reducing key 133 are all arranged at the rear end of the mirror body 10 and electrically connected with the circuit board controller 13.

The power supply device is a dry battery, the mirror body 10 is provided with a battery chamber 14 for mounting the dry battery, and a chamber cover 141 is detachably arranged on the outer side of the battery chamber 14.

The bottom of the mirror body 10 is provided with a dovetail adjusting mechanism 80, and the dovetail adjusting mechanism 80 is fixed to the bottom of the mirror body 10 through screws. The sighting telescope of the invention can be quickly installed on various firearms, grenade cannons, rocket tubes and other equipment through the dovetail adjusting mechanism 80.

The manufacturing method of the F holographic image window film comprises the following steps:

referring to fig. 5, a laser beam is output by a laser, and is divided into two beams by a BS beam splitter, wherein the transmitted beam is reference beam R1, and the reflected beam is object beam R2.

The transmitted light R1 passes through a 1/2 wave plate, an M1 holophote, an M2 holophote in sequence, finally passes through an SF1 microscopic beam expander, the diffused light is converted into parallel light through an L1 collimating lens, and then the parallel light is changed into continuously adjustable light through G1 to reach the holographic recording material.

In order to obtain a high-efficiency image window plate, a 1/2 wave plate is added in an R1 optical path to eliminate clutter and ripples, and the rotation angle of the wave plate is optimal to be 45 degrees.

The reflected light R2 passes through a total reflection mirror M3M 4, passes through an SF2 microscopic beam expander, is diffused and irradiated on the image of the photomask reticle, and sequentially passes through a PL polaroid, an imaging lens L2 consisting of 6 groups of lenses, a G2 continuously adjustable optical wave and a G3 continuously adjustable optical wave to reach the holographic recording material.

The holographic image H is manufactured in different areas, the set distance of each unit is recorded in sequence, and the vertical distance and the horizontal distance of each unit are accurately controlled and the exposure time is accurately controlled by adopting a holographic three-dimensional moving platform.

The manufacturing method of the H diffraction grating filter comprises the following steps:

referring to fig. 6, a laser beam is output by a laser, passes through an 1/2 wave plate and is split into two beams by a BS beam splitter, the transmitted light is reference light R1, and the reflected light is object light R2.

The transmitted light R1 passes through the M1 total reflector, the M2 total reflector and the SF1 microscopic beam expander in sequence, and the diffused light is converted into parallel light through the L1 collimating lens and then reaches the holographic dry plate through the G1 continuously adjustable light wave.

The reflected light R2 passes through an M3 total reflector, an M4 total reflector, an SF2 micro beam expander (the distance between the beam expander and the holographic dry plate is the focal length), and G3 adjustable light reaches the holographic dry plate.

The F holographic image window sheet and the H diffraction grating filter sheet prepared by the method can solve the problems of high noise, low brightness, twin image and the like.

The invention processes light rays through the H diffraction grating filter plate 50 and the F holographic image window plate 60 and generates a holographic aiming image, can effectively improve the definition of the holographic aiming image, solves the problem of laser central wavelength drift, further reduces the conditions of focal length, aberration, parallax, large fuzzy noise of an aiming sub-picture image, low brightness, twinning generation and the like, and improves the aiming precision.

The optical path system of the invention is compact, can reduce the volume of the lens body 10, plays a role of light weight, and can be conveniently equipped on various weapons.

Although the present invention has been described in detail in the foregoing embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention.