CN201740465U - Sighting telescope for shimmer night-vision gun - Google Patents
Sighting telescope for shimmer night-vision gun Download PDFInfo
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- CN201740465U CN201740465U CN2010202958421U CN201020295842U CN201740465U CN 201740465 U CN201740465 U CN 201740465U CN 2010202958421 U CN2010202958421 U CN 2010202958421U CN 201020295842 U CN201020295842 U CN 201020295842U CN 201740465 U CN201740465 U CN 201740465U
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Abstract
The utility model discloses a sighting telescope for a shimmer night-vision gun, which belongs to the field of mechanical and electronic integration. The sighting telescope for a shimmer night-vision gun comprises an objective 101, an image intensifier 102, a half-reflecting lens 103, a partitioning system 104, an eyepiece 105 and a case, wherein the image intensifier 102 amplifies an optical signal received by the objective 101 to reach luminance capable of being observed by human eyes; then the half-reflecting lens 103 integrates the optical signal with a cross hair image emitted by the partitioning system 104 to cause distance between the image surfaces of the optical signal and the cross hair image to the eyepiece 105 to be identical, and the optical signal and the cross hair image are both received by the eyepiece 105; finally, a clear image is formed in the human eyes, and the purpose of observing and pointing the target under the shimmer condition at night can be realized. The sighting telescope has an exit pupil distance of 55.5 mm to effectively overcome danger caused by recoil generated when a gun shoots and improve the pointing accuracy of weapons assembled with the sighting telescope. Thus, the sighting telescope has wide market prospect.
Description
Technical field
This patent belongs to the optical, mechanical and electronic integration field, relates to a kind of riflescope, particularly a kind of grow interpupillary distance from the lll night vision riflescope.
Technical background
Along with the development of low-light technology, and the upgrading of image intensifier, the performance of lll night vision riflescope constantly promotes, and becomes one of security protection, shooting sports and army, People's Armed Police, anti-important mechanism on preferred equipment at night such as probably.Because rifle has recoil,, therefore require riflescope to have bigger distance of exit pupil for preventing to injure eyes.The distance of exit pupil of general lll night vision riflescope is decided to be 30 millimeter, but 30 millimeters distance of exit pupil is still short partially, for the sake of security, eye pupil is positioned at emergent pupil place object observing and ambient conditions earlier during use, then user's eyes slow astern set a distance aimed fire again.This not only makes troubles to use, and because the battlefield situation is intricate, fast changing, also can bungle the chance of winning a battle sometimes.The art of this patent is by optical design, guaranteeing under the prerequisite of picture element, develop grow interpupillary distance from the lll night vision riflescope, the problem that recoil causes when effectively overcoming the rifle shooting, improve the pointing accuracy of being furnished with this gun sight weapon, have vast market prospect.
Summary of the invention
The purpose of this patent be the design a kind of magnifying power be 2.4 times, and distance of exit pupil reach 55.5 millimeters grow interpupillary distance from the lll night vision riflescope.
As shown in Figure 1, the described lll night vision riflescope of this patent mainly comprises object lens 101, image intensifier 102, half anti-eyeglass 103, graduation system 104, eyepiece 105 and casing.When described lll night vision riflescope aims at the mark object, object lens 101 receive by natural daylight at night (as moonlight, starlight, airglow or the veiling glare etc.) radiation of target reflection and with it and reach image intensifier 102, image intensifier 102 will receive picture signal and amplify, reverses, reach the brightness that human eye can be observed, again by half anti-eyeglass 103 with its crosshair picture integration of sending with graduation system 104, make both image planes arrive the equivalent optical path of eyepiece 105, and receive final blur-free imaging simultaneously in human eye together by eyepiece.This gun sight is contained on the rifle of coupling, by suitably regulating,, utilizes " sight alignment " principle to be implemented under the poor light condition at night, target is observed the purpose of aiming with the crosshair crosspoint heart that is as the criterion.
As shown in Figure 2, it is that meniscus 201, second lens are protruding plano lens 202 that the object lens 101 of this patent have by tactic first lens of object one side, the 3rd lens are that plano-concave lens 203, the four lens are that concave-convex lens 204, the 5th lens are that concave-convex lens 205, the 6th lens are biconvex lens 206.Wherein, described second lens 202 and the 3rd lens 203 are the gummed assembly, and the 4th lens 204 and the 5th lens 205 are the gummed assembly.
The graduation system 104 of this patent mainly is made up of graduation mirror 211 and light emitting diode 212.Wherein graduation mirror 211 is a planoconvex spotlight, has only the crosshair groove at center can printing opacity on its plane, and other place can not printing opacity; And convex surface plays the optically focused effect, makes the picture of crosshair and the equivalent optical path that looks like eyepiece that comes out from image intensifier 102, guarantees both blur-free imagings in human eye simultaneously, thereby reaches the purpose of aiming.
It is that biconvex lens 207, the 8th lens are that concave-convex lens 208, the 9th lens are that concave-convex lens 209, the tenth lens are biconvex lens 210 that this patent eyepiece 105 has by tactic the 7th lens of object one side.Wherein, described the 8th lens 208 and the 9th lens 209 are the gummed assembly.
As shown in Figure 3, the object lens 101 of this patent adopt the structural shape of four groups six of double gausses, and the radius of curvature of the focal length of six optical lenses and refractive index and 12 faces thereof meets the following conditions respectively:
100＜f1＜120 1.7＜n1＜1.8 75＜R1＜85 280＜R2＜300
60＜f2＜70 1.6＜n2＜1.7 30＜R3＜40 R4＝∞
50＜f3＜60 1.7＜n3＜1.8 R4＝∞ 20＜R5＜30
-18＜f4＜-12 1.6＜n4＜1.7 -30＜R6＜-20 -390＜R7＜-370
-40＜f5＜-30 1.6＜n5＜1.7 -390＜R7＜-370 -35＜R8＜-25
30＜f6＜40 1.7＜n6＜18 70＜R9＜80 -140＜R10＜-120
Wherein, fi represents the focal length of i eyeglass, and unit is a millimeter; Ni represents the refractive index of i eyeglass; Ri represents the radius of curvature of i minute surface, and unit is a millimeter; I=1,2,3 ...
As shown in Figure 4, the eyepiece 105 of this patent adopts three groups four structural shape, and the radius of curvature of the focal length of four optical lenses and refractive index and 12 faces thereof meets the following conditions respectively:
27＜f7＜35 1.6＜n7＜1.7 70＜R11＜80 -30＜R12＜-22
-32＜f8＜-25 1.8＜n8＜1.9 -28＜R13＜-20 -20＜R14＜-12
75＜f9＜85 1.7＜n9＜1.8 -20＜R14＜-12 -42＜R15＜-35
130＜f10＜145 1.7＜n10＜1.8 90＜R16＜100 -800＜R17＜-780
Wherein, the content represented of fi, ni, Ri is identical with above-mentioned expression.
By such scheme, this patent magnifying power β=f thing/f order=2.4, wherein the focal distance f thing of object lens 101 is 96 millimeters, effective aperture is 60 millimeters, and the angle of visual field is 8 °, and the focal distance f order of eyepiece 105 is 40 millimeters, exit pupil diameter is 7 millimeters, and distance of exit pupil is 55.5 millimeters.
For avoiding bumping against eyes owing to the rifle recoil makes the gun sight picture frame, user's eyes are wanted a fist distance from gun sight is minimum during shooting.The distance of exit pupil of general riflescope is approximately 30 millimeters, and eyes are far away from distance of exit pupil during shooting, influence pointing accuracy to a certain extent.This patent distance of exit pupil reaches 55.5 millimeters, on the eyepiece picture frame, load onto with the recoil of distance of exit pupil coupling and hit eyeshade, the user is in when shooting, and eyes can aim near distance of exit pupil and not be subjected to the danger of picture frame bump, thereby guarantees the pointing accuracy of this patent.
Description of drawings
Fig. 1 is the assembling schematic diagram of this patent, mainly is made up of object lens 101, image intensifier 102, half anti-eyeglass 103, graduation system 104, eyepiece 105 and casing;
Fig. 2 is a this patent optical system schematic diagram;
Fig. 3 is the radius of curvature of this patent object lens glass eyeglass and the schematic diagram of refractive index;
Fig. 4 is the radius of curvature of this patent eyepiece glass eyeglass and the schematic diagram of refractive index, and wherein fi represents the focal length of i eyeglass, and unit is a millimeter; Ni represents the refractive index of i eyeglass; Ri represents the radius of curvature of i minute surface, and unit is a millimeter; I=1,2,3 ...
The specific embodiment
Referring to Fig. 1, the described lll night vision riflescope of this patent mainly comprises object lens 101, image intensifier 102, half anti-eyeglass 103, graduation system 104, eyepiece 105 and casing.When described lll night vision riflescope aims at the mark object, object lens 101 receive by the natural daylight radiation at night of target reflection and with it and reach image intensifier 102, photocathode by image intensifier 102 is converted to electronic image signal continuation transmission with optical image signal, in the process of transmission, electronic image signal is amplified, reach the fluorescent screen of image intensifier again, by fluorescent screen electronic image signal is converted to optical image signal again, transmits with 180 ° of optical imagery counter-rotatings and to half anti-eyeglass 103 by the optical fiber image inverter on the image intensifier.Half anti-eyeglass 103 and optical axis angle at 45, wherein the one side near object lens is coated with antireflective film, one side degree near eyepiece has half anti-film, the crosshair picture that optical imagery and the graduation system 104 from image intensifier 102 can be sent is integrated and is passed to eyepiece 105, finally, the picture of target image and crosshair is received by human eye by eyepiece 105, and focuses on simultaneously, make this gun sight under the night poor light condition, observe run-home.
This patent object lens 101 adopt the structural shape of four groups six of double gausses, and the object lens eyeglass is contained in the object lens frame 106, and the airspace between the eyeglass separates with the spacer ring of coupling, guarantee that the interval of each eyeglass of object lens reaches the optical design requirement.Object lens frame 106 is contained in the main body 108, by object lens focusing handwheel 107 object lens frame 106 is connected with main body 108, rotates object lens focusing handwheel 107 instrumentality picture frames 106 and moves forward and backward along optical axis, thereby realize the control that moves axially of object lens 101.
The image intensifier 102 of this patent is contained in the main body 108, and its model specification is: 1XZ18/18WHS-1, luminance gain reaches 10000, satisfies the requirement of lll night vision.Wherein the negative electrode of image intensifier is used for the optical signal that object lens transmit is converted to the signal of telecommunication near object lens one side, and the fluorescent screen of image intensifier is used for converting the signal of telecommunication after amplifying to optical signal near eyepiece one side.Half anti-eyeglass 103 is contained in image intensifier 102 back, and with optical axis angle at 45, wherein the one side near object lens is coated with antireflective film, and the one side of close eyepiece is coated with half anti-film.Graduation system 104 is in directly over the half anti-eyeglass 103, mainly is made up of graduation mirror and light emitting diode.
This patent eyepiece 105 adopts three groups four structural shape, and eyeglass is contained in the eyepiece frame 109, and the airspace between the eyeglass separates with the spacer ring of coupling equally, guarantees that the interval of each eyeglass of eyepiece reaches the optical design requirement.Eyepiece frame 109 is enclosed within 110 li of the eyepiece mounts that link to each other with main body 108, and it is both are continuous by diopter handwheel 111, rotating diopter handwheel 111 control eyepiece frames 109 moves forward and backward along optical axis, thereby the position of focal plane of control eyepiece, object lens, eyepiece and graduation mirror three's focal plane is overlapped, reach the purpose of the aiming of looking in the distance.
By the enforcement of such scheme, make the focal distance f thing of this patent object lens reach 96 millimeters, effective aperture is 60 millimeters, the angle of visual field is 8 °; The focal distance f order of eyepiece 105 is 40 millimeters, and exit pupil diameter is 7 millimeters, and distance of exit pupil is 55.5 millimeters.This patent object lens and eyepiece are formed Kepler telescope, magnifying power β=2.4, in use, 2 times of the general nearly riflescope of eyes observation place range sight picture frame, recoil when possessing enough distance buffering rifle shootings, the danger of effectively avoiding recoil to cause improves the pointing accuracy of being furnished with this gun sight weapon.
Claims (4)
1. lll night vision riflescope, comprise object lens (101), image intensifier (102), half anti-eyeglass (103), graduation system (104), eyepiece (105) and casing, it is characterized in that object lens (101) reception reaches image intensifier (102) by the natural daylight radiation at night of target reflection and with it, image intensifier (102) amplifies the picture signal that receives, counter-rotating, reach the brightness that human eye can be observed, again by half anti-eyeglass (103) with its crosshair picture integration of sending with graduation system (104), make both image planes arrive the equivalent optical path of eyepiece (105), and receive final blur-free imaging simultaneously in human eye together by eyepiece.
2. a kind of lll night vision riflescope according to claim 1, it is characterized in that it is meniscus (201) that described object lens (101) have by tactic first lens of object one side, second lens are protruding plano lens (202), the 3rd lens are plano-concave lens (203), the 4th lens are concave-convex lens (204), the 5th lens are concave-convex lens (205), the 6th lens are biconvex lens (206), wherein, second lens (202) and the 3rd lens (203) are the gummed assembly, the 4th lens (204) and the 5th lens (205) are the gummed assembly, and the radius of curvature of the focal length of described six optical lenses and refractive index and 12 faces thereof meets the following conditions respectively:
100＜f1＜120 1.7＜n1＜1.8 75＜R1＜85 280＜R2＜300
60＜f2＜70 1.6＜n2＜1.7 30＜R3＜40 R4＝∞
50＜f3＜60 1.7＜n3＜1.8 R4＝∞ 20＜R5＜30
-18＜f4＜-12 1.6＜n4＜1.7 -30＜R6＜-20 -390＜R7＜-370
-40＜f5＜-30 1.6＜n5＜1.7 -390＜R7＜-370 -35＜R8＜-25
30＜f6＜40 1.7＜n6＜1.8 70＜R9＜80 -140＜R10＜-120
Wherein, fi represents the focal length of i eyeglass, and unit is a millimeter; Ni represents the refractive index of i eyeglass; Ri represents the radius of curvature of i minute surface, and unit is a millimeter; I=1,2,3 ...
3. a kind of lll night vision riflescope according to claim 1, it is characterized in that it is that biconvex lens (207), the 8th lens are that concave-convex lens (208), the 9th lens are that concave-convex lens (209), the tenth lens are biconvex lens (210) that described eyepiece (105) has by tactic the 7th lens of object one side, wherein, the 8th lens (208) and the 9th lens (209) are the gummed assembly, and the radius of curvature of the focal length of described four optical lenses and refractive index and eight faces thereof meets the following conditions respectively:
27＜f7＜35 1.6＜n7＜1.7 70＜R11＜80 -30＜R12＜-22
-32＜f8＜-25 1.8＜n8＜1.9 -28＜R13＜-20 -20＜R14＜-12
75＜f9＜85 1.7＜n9＜1.8 -20＜R14＜-12 -42＜R15＜-35
130＜f10＜145 1.7＜n10＜1.8 90＜R16＜100 -800＜R17＜-780
Wherein, the content represented of fi, ni, Ri is identical with claim 2.
4. a kind of lll night vision riflescope according to claim 1, magnifying power β=2.4 that it is characterized in that described gun sight, the focal distance f thing of object lens (101) reaches 96 millimeters, effective aperture is 60 millimeters, the angle of visual field is 8 °, (105 focal distance f order is 40 millimeters to eyepiece, and exit pupil diameter is 7 millimeters, and distance of exit pupil is 55.5 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202958421U CN201740465U (en) | 2010-08-17 | 2010-08-17 | Sighting telescope for shimmer night-vision gun |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202958421U CN201740465U (en) | 2010-08-17 | 2010-08-17 | Sighting telescope for shimmer night-vision gun |
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| CN201740465U true CN201740465U (en) | 2011-02-09 |
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|---|---|---|---|
| CN2010202958421U Expired - Fee Related CN201740465U (en) | 2010-08-17 | 2010-08-17 | Sighting telescope for shimmer night-vision gun |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943546A (en) * | 2010-08-17 | 2011-01-12 | 福州开发区鸿发光电子技术有限公司 | Sighting telescope for low-light night vision gun |
| CN103048771A (en) * | 2012-12-13 | 2013-04-17 | 中国航空工业集团公司洛阳电光设备研究所 | Small light low-light-level night vision eyepiece optical system |
| CN103245254A (en) * | 2012-02-04 | 2013-08-14 | 贝尔雷斯公司 | Optical device having projected aiming point |
| CN103673764A (en) * | 2012-09-13 | 2014-03-26 | 福州开发区鸿发光电子技术有限公司 | Gun sight division mechanism based on high-resolution micro display screen |
| US9250036B2 (en) | 2012-03-05 | 2016-02-02 | Burris Company, Inc. | Optical device utilizing ballistic zoom and methods for sighting a target |
| US9482516B2 (en) | 2011-05-26 | 2016-11-01 | Burris Corporation | Magnification compensating sighting systems and methods |
| US10132593B2 (en) | 2014-11-26 | 2018-11-20 | Burris Corporation | Multi-turn elevation knob for optical device |
| US10415934B2 (en) | 2015-02-27 | 2019-09-17 | Burris Company, Inc. | Self-aligning optical sight mount |
| CN110375962A (en) * | 2019-08-15 | 2019-10-25 | 中科院南京天文仪器有限公司 | The device and method for demarcating optical system focal plane is illuminated based on preposition boundling |
| CN113703151A (en) * | 2021-08-25 | 2021-11-26 | 中国人民解放军总医院第三医学中心 | Low-illumination focusing indirect ophthalmoscope |
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2010
- 2010-08-17 CN CN2010202958421U patent/CN201740465U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101943546A (en) * | 2010-08-17 | 2011-01-12 | 福州开发区鸿发光电子技术有限公司 | Sighting telescope for low-light night vision gun |
| US9482516B2 (en) | 2011-05-26 | 2016-11-01 | Burris Corporation | Magnification compensating sighting systems and methods |
| CN103245254B (en) * | 2012-02-04 | 2017-08-15 | 贝尔雷斯公司 | Optical devices with projection alignment point |
| US10145652B2 (en) | 2012-02-04 | 2018-12-04 | Burris Company, Inc. | Optical device having projected aiming point |
| CN103245254A (en) * | 2012-02-04 | 2013-08-14 | 贝尔雷斯公司 | Optical device having projected aiming point |
| US9250036B2 (en) | 2012-03-05 | 2016-02-02 | Burris Company, Inc. | Optical device utilizing ballistic zoom and methods for sighting a target |
| US9689643B2 (en) | 2012-03-05 | 2017-06-27 | Burris Company, Inc. | Optical device utilizing ballistic zoom and methods for sighting a target |
| CN103673764A (en) * | 2012-09-13 | 2014-03-26 | 福州开发区鸿发光电子技术有限公司 | Gun sight division mechanism based on high-resolution micro display screen |
| CN103048771B (en) * | 2012-12-13 | 2015-10-21 | 中国航空工业集团公司洛阳电光设备研究所 | A kind of small light low-light-level night vision eyepiece optical system |
| CN103048771A (en) * | 2012-12-13 | 2013-04-17 | 中国航空工业集团公司洛阳电光设备研究所 | Small light low-light-level night vision eyepiece optical system |
| US10132593B2 (en) | 2014-11-26 | 2018-11-20 | Burris Corporation | Multi-turn elevation knob for optical device |
| US10415934B2 (en) | 2015-02-27 | 2019-09-17 | Burris Company, Inc. | Self-aligning optical sight mount |
| CN110375962A (en) * | 2019-08-15 | 2019-10-25 | 中科院南京天文仪器有限公司 | The device and method for demarcating optical system focal plane is illuminated based on preposition boundling |
| CN110375962B (en) * | 2019-08-15 | 2024-05-31 | 中科院南京天文仪器有限公司 | Device and method for calibrating focal plane of optical system based on front-end cluster illumination |
| CN113703151A (en) * | 2021-08-25 | 2021-11-26 | 中国人民解放军总医院第三医学中心 | Low-illumination focusing indirect ophthalmoscope |
| CN113703151B (en) * | 2021-08-25 | 2024-02-02 | 中国人民解放军总医院第三医学中心 | Low-illumination adjustable-focus indirect ophthalmoscope |
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Granted publication date: 20110209 Termination date: 20140817 |
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