CN111694144A - Binocular laser coaxial range finding telescope - Google Patents
Binocular laser coaxial range finding telescope Download PDFInfo
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- CN111694144A CN111694144A CN202010519894.0A CN202010519894A CN111694144A CN 111694144 A CN111694144 A CN 111694144A CN 202010519894 A CN202010519894 A CN 202010519894A CN 111694144 A CN111694144 A CN 111694144A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
- G02B23/04—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors for the purpose of beam splitting or combining, e.g. fitted with eyepieces for more than one observer
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C3/00—Measuring distances in line of sight; Optical rangefinders
- G01C3/02—Details
- G01C3/04—Adaptation of rangefinders for combination with telescopes or binoculars
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
- G02B23/06—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors having a focussing action, e.g. parabolic mirror
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/12—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
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- General Physics & Mathematics (AREA)
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- Optics & Photonics (AREA)
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Liquid Crystal (AREA)
- Telescopes (AREA)
Abstract
The invention discloses a binocular laser coaxial ranging telescope which comprises a first eyepiece assembly, a first objective assembly and a first beam splitting/image combining prism system which are arranged in a first lens barrel, and a second eyepiece assembly, a second objective assembly and a second beam splitting/image combining prism system which are arranged in a second lens barrel; the first beam splitting/combining prism system is positioned between the first eyepiece assembly and the first objective assembly; the second beam splitting/combining prism system is positioned between the second eyepiece assembly and the second eyepiece assembly; a photoelectric detector and a liquid crystal display are arranged in the first lens barrel, and a laser emitter is arranged in the second lens barrel; and the light path of the liquid crystal display passes through the first light splitting/image combining prism system and then is output to the first eyepiece assembly. The invention not only has the observation function, but also has the laser ranging function, and can display the target characteristics such as optical virtual sight, measuring distance and the like in a character mode in a visual field.
Description
Technical Field
The invention relates to the technical field of optics, in particular to a binocular laser coaxial ranging telescope.
Background
Telescopes have become a popular fashion consumer product. However, the existing telescope generally only has a prospective distant observation function, and the common laser ranging telescope is used for monocular observation and has the defect of inconvenient observation for users. A telescope is designed, so that the telescope not only has a binocular observation function, but also can rapidly measure the target distance and the target speed by emitting laser, can simultaneously or selectively measure the longitude and latitude, the azimuth angle, the elevation angle, the altitude, the levelness, the north direction and the like, can measure data in a visual field through the longitude and latitude, the azimuth angle, the elevation angle, the altitude, the azimuth direction and the like, can directly display the measured data in the visual field through a transmission Liquid Crystal Display (LCD) or an OLED or through OLED and LED projection display, and can make up the regret. Among them is the optical system which is one of the technical difficulties.
Disclosure of Invention
In view of the above, in order to solve the above problems in the prior art, the present invention provides a binocular laser coaxial ranging telescope.
The invention solves the problems through the following technical means:
a binocular laser coaxial ranging telescope comprises a first eyepiece assembly, a first objective assembly and a first beam splitting/combining prism system which are arranged in a first lens barrel, and a second eyepiece assembly, a second objective assembly and a second beam splitting/combining prism system which are arranged in a second lens barrel;
the first beam splitting/combining prism system is positioned between the first eyepiece assembly and the first objective assembly;
the second beam splitting/combining prism system is positioned between the second eyepiece assembly and the second eyepiece assembly;
a photoelectric detector and a liquid crystal display are arranged in the first lens barrel, and a laser emitter is arranged in the second lens barrel;
the optical path received by the first objective lens assembly is output to the first eyepiece lens assembly after passing through the first beam splitting/image combining prism system;
the optical path received by the second eyepiece component is output to a second eyepiece component after passing through a second light splitting/image combining prism system;
the laser light path received by the first objective lens assembly enters the photoelectric detector after passing through the first beam splitting/image combining prism system;
the light path of the liquid crystal display passes through the first light splitting/image combining prism system and then is output to the first eyepiece assembly;
and the light path of the laser transmitter passes through the second beam splitting/combining prism system and then is output to the second objective lens assembly.
Further, the first objective lens assembly comprises a first objective lens group, a first focusing objective lens, and the centerlines of the first objective lens assembly and the first objective lens assembly are on the same axis;
the second objective lens assembly comprises a second objective lens assembly and a second focusing objective lens, and the center lines of the second objective lens assembly and the second objective lens assembly are on the same axis.
Furthermore, a first field diaphragm is arranged in the first lens barrel, the first field diaphragm is arranged opposite to the first eyepiece assembly, and an imaging surface of the liquid crystal display is overlapped with the first field diaphragm;
and a second view field diaphragm and a collimating lens are arranged in the second lens barrel, the second view field diaphragm is arranged right opposite to the second eyepiece assembly, and the collimating lens is arranged right opposite to the laser emitter.
Further, the first splitting/combining prism system comprises a first pipe prism, a first reflector and a first composite prism which are sequentially arranged along incident light, wherein the internal reflection surface of the first pipe prism is divided into an upper part and a lower part, the first reflector is attached to the upper half part of the internal reflection surface of the first pipe prism, and the first composite prism is attached to the lower half part of the internal reflection surface of the first pipe prism;
the receiving and transmitting surface of the first tobacco pipe prism is opposite to the first objective lens component, incident light vertically enters the receiving and transmitting surface of the first tobacco pipe prism through the first objective lens component, and the first tobacco pipe prism comprises the receiving and transmitting surface, an outer reflecting surface and an inner reflecting surface; wherein the inner reflecting surface and the transmitting and receiving surface form an included angle of 30 degrees, and the inner reflecting surface and the outer reflecting surface form an included angle of 60 degrees.
Further, the first composite prism comprises a first right-angle prism A, a first right-angle prism B and an isosceles right-angle prism, wherein the first right-angle prism A and the first right-angle prism B are the same in shape, inclined surfaces of the two right-angle prisms are tightly attached, and the inclined surface of the isosceles right-angle prism is tightly attached to the lower side of a long right-angle surface of the first right-angle prism B;
the bottom surface of the first right-angle prism A is attached to the inner reflection surface of the first tobacco pipe prism, the right-angle surface of the first right-angle prism B is opposite to the first eyepiece component, the first composite prism comprises a laser emergent surface and a display incident surface, the laser emergent surface is the right-angle surface of the first right-angle prism A, the display incident surface is the receiving and transmitting surface of the isosceles right-angle prism, the laser emergent surface and the inner reflection surface of the first tobacco pipe prism form an included angle of 90 degrees, the photoelectric detector is opposite to the laser emergent surface through the receiving lens, the liquid crystal display is opposite to the display incident surface through the display lens group, and the display incident surface is parallel to the receiving and transmitting surface of the first tobacco pipe prism; in the aiming optical axis, light rays pass through a first objective lens assembly, a first tobacco pipe prism, a first reflector and a first composite prism and then are imaged on a first field diaphragm; in the laser receiving optical axis, light rays pass through a receiving lens, a first compound lens, a first tobacco pipe prism, a first reflector and a first objective lens assembly and then point to a measured target; in a projection optical axis of the liquid crystal display, light rays pass through the display lens group and the first composite prism and then are imaged on the first field diaphragm;
the second light splitting/image combining prism system comprises a second tobacco pipe prism, a second reflecting mirror and a second composite prism which are sequentially arranged along incident light, and the second composite prism comprises a second right-angle prism A and a second right-angle prism B; the second tobacco pipe prism, the second reflecting mirror, the second right-angle prism A and the second right-angle prism B are respectively in axial symmetry with the first tobacco pipe prism, the first reflecting mirror, the first right-angle prism A and the first right-angle prism B.
Further, the first composite prism comprises a first right-angle prism A, a first small right-angle prism C, a small right-angle prism D and an equilateral prism E, wherein the shape of the first small right-angle prism C is the same as that of the small right-angle prism D, the inclined plane of the first small right-angle prism C and the side surface of the equilateral prism E are tightly attached to the inclined plane of the first right-angle prism A, and the inclined plane of the small right-angle prism D is tightly attached to the other side surface of the equilateral prism E;
the bottom surface of the first right-angle prism A is attached to the inner reflection surface of the first tobacco pipe prism, the right-angle surface of the first small right-angle prism C is opposite to the first eyepiece component, the first composite prism comprises a laser emergent surface and a display incident surface, the laser emergent surface is the right-angle surface of the first right-angle prism A, the display incident surface is the right-angle surface of the small right-angle prism D, the laser emergent surface and the inner reflection surface of the first tobacco pipe prism form an included angle of 90 degrees, the photoelectric detector is opposite to the laser emergent surface through a receiving lens, a display lens group and a third reflector are arranged between the liquid crystal display and the display incident surface, light of the display passes through the display lens group and then is reflected by the third reflector to vertically enter the display incident surface, and the display incident surface and the receiving and transmitting surface of the first tobacco pipe prism form an included angle of 60 degrees; in the aiming optical axis, light rays pass through a first objective lens assembly, a first tobacco pipe prism, a first reflector and a first composite prism and then are imaged on a first field diaphragm; in the laser receiving optical axis, light rays pass through a receiving lens, a first compound lens, a first tobacco pipe prism, a first reflector and a first objective lens assembly and then point to a measured target; in a projection optical axis of the liquid crystal display, light rays pass through the display lens group and the first composite prism and then are imaged on the first field diaphragm;
the second light splitting/image combining prism system comprises a second tobacco pipe prism, a second reflecting mirror and a second composite prism which are sequentially arranged along incident light, and the second composite prism comprises a second right-angle prism A and a second small right-angle prism C; the second tobacco pipe prism, the second reflecting mirror, the second right-angle prism A and the second small right-angle prism C are respectively in axial symmetry with the first tobacco pipe prism, the first reflecting mirror, the first right-angle prism A and the first small right-angle prism C.
Furthermore, the first composite prism comprises a first equilateral prism F, a first isosceles prism and a first small right-angle prism C, wherein the side surface of the first equilateral prism F and the inclined surface of the first small right-angle prism C are close to two isosceles surfaces of the first isosceles prism;
the other side surface of the first equilateral prism F is attached to the internal reflection surface of the first tobacco pipe prism, the right-angle surface of the first small right-angle prism C is opposite to the first eyepiece assembly, the first composite prism comprises a laser emergent surface and a display incident surface, the laser emergent surface is the bottom surface of the first isosceles prism, the display incident surface is the bottom surface of the first isosceles prism, the laser emergent surface and the internal reflection surface of the first tobacco pipe prism form an included angle of 90 degrees, the photoelectric detector is opposite to the laser emergent surface through a receiving lens, a display lens group is arranged between the liquid crystal display and the display incident surface, the liquid crystal display is opposite to the display incident surface through the display lens group, and the display incident surface and the receiving and transmitting surface of the first tobacco pipe prism form an included angle of 60 degrees; in the aiming optical axis, light rays pass through a first objective lens assembly, a first tobacco pipe prism, a first reflector and a first composite prism and then are imaged on a first field diaphragm; in the laser receiving optical axis, light rays pass through a receiving lens, a first compound lens, a first tobacco pipe prism, a first reflector and a first objective lens assembly and then point to a measured target; in a projection optical axis of the liquid crystal display, light rays pass through the display lens group and the first composite prism and then are imaged on the first field diaphragm;
the second splitting/combining prism system comprises a second tobacco pipe prism, a second reflecting mirror and a second composite prism which are sequentially arranged along incident light, and the second composite prism comprises a second equilateral prism F, a second isosceles prism and a second small right-angle prism C; the second tobacco pipe prism, the second reflector, the second equilateral prism F, the second isosceles prism and the second small right-angle prism C are respectively in axial symmetry with the first tobacco pipe prism, the first reflector, the first equilateral prism F, the first isosceles prism and the first small right-angle prism C.
Further, when the first compound prism includes a first right-angle prism a, a first right-angle prism B, and an isosceles right-angle prism;
LCD's light path process show the battery of lens, warp in the perpendicular entering to isosceles right prism of the receiving and dispatching face of isosceles right prism, pass through in proper order after two right angle face reflections of isosceles right prism, isosceles right prism's receiving and dispatching face with first right angle face laminating of right angle prism B, show the light path warp isosceles right prism's receiving and dispatching face vertical incidence gets into first right angle prism B, pass through in proper order first right angle prism B's inclined plane gets into first right angle prism A, warp after first right angle prism A's bottom surface and right angle face reflection, warp first right angle prism A's inclined plane gets into first right angle prism B, through first right angle prism B's right angle face vertical incidence extremely first eyepiece subassembly.
Further, when the first composite prism comprises a first right-angle prism A, a first small right-angle prism C, a small right-angle prism D and an equilateral prism E;
LCD's light path process show battery of lens, third speculum, warp little right-angle prism D's receiving and dispatching face perpendicularly gets into to little right-angle prism D in, through little right-angle prism D's inclined plane or equilateral prism E's side gets into among the equilateral prism E, warp after equilateral prism E's another side reflection, get into first right-angle prism A through first right-angle prism A's inclined plane, pass through in proper order after two right-angle surface reflections of first right-angle prism A, warp first little right-angle prism C's inclined plane gets into first little right-angle prism C, through first little right-angle prism C's right angle face vertical incidence extremely first eyepiece subassembly.
Further, the surface of the internal reflection surface of the first pipe prism, which is in contact with the first composite prism, or the surface inside the first composite prism is plated with a light splitting film layer, wherein the light splitting film layer is formed by the following two film systems:
(1)λ＝400nm～720nm，R/T＝4:6；λ＝850nm～950nm，T＞98％；
(2)λ＝400nm～620nm，T＞98％；λ＝620nm～7200nm，R/T＝4:6；λ＝850nm～950nm，T＞98％。
compared with the prior art, the invention has the beneficial effects that at least:
the invention has simple structure, small occupied volume and convenient use, can realize binocular observation and aim at the object to be measured, can display the target distance and the target speed of the object to be measured in real time in the visual field while observing the object, can directly display the measured data in the visual field through a transmission Liquid Crystal Display (LCD) or an OLED or an LED projection display, and can adjust the focal length and the interpupillary distance through a middle shaft, and the visual degrees are respectively adjusted by a left ocular and a right ocular.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a binocular laser coaxial ranging telescope of embodiment 1;
fig. 1a is a schematic structural diagram of a first beam splitting/combining prism system in embodiment 1;
FIG. 2 is a schematic structural view of a binocular laser coaxial ranging telescope according to embodiment 2;
fig. 2a is a schematic structural diagram of a first beam splitting/combining prism system in embodiment 2;
FIG. 3 is a schematic structural view of a binocular laser coaxial ranging telescope of embodiment 3;
fig. 3a is a schematic structural diagram of a first beam splitting/combining prism system in embodiment 3;
description of reference numerals:
1. a first pipe prism; 1' and a second tobacco pipe prism; 2. a first right-angle prism A; 2', a second right-angle prism A; 3. a first right-angle prism B; 3' and a second right-angle prism B; 4. an isosceles right-angle prism; 5. a first reflector; 5', a second reflector; 6. a first eyepiece assembly; 6', a second eyepiece assembly; 7. a first objective lens group; 7', a second objective lens group; 71. a first focusing objective lens; 71', a second focusing objective; 8. a laser transmitter; 81. a collimating lens; 9. a photodetector; 91. a receiving lens; 10. a liquid crystal display 110, a display lens group; 11. a first field stop; 11', a second field diaphragm; 12. a first small right-angle prism C; 12' and a second small right-angle prism C; 13. an equilateral prism E; 14. a small right-angle prism D; 15. a third reflector; 16. a first equilateral prism F; 16', a second equilateral prism F; 17. a first isosceles prism; 17' and a second isosceles prism.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It should be noted that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.
Example 1
As shown in fig. 1 and fig. 1a, the present invention provides a binocular laser coaxial ranging telescope, which comprises a first eyepiece assembly 6, a first objective assembly and a first beam splitting/combining prism system mounted in a first lens barrel, and a second eyepiece assembly 6', a second objective assembly and a second beam splitting/combining prism system mounted in a second lens barrel;
the first beam splitting/combining prism system is positioned between the first eyepiece assembly 6 and the first objective lens assembly;
the second beam splitting/combining prism system is positioned between the second eyepiece assembly 6' and the second eyepiece assembly;
a photoelectric detector 9 and a liquid crystal display 10 are arranged in the first lens barrel, and a laser emitter 8 is arranged in the second lens barrel;
the optical path received by the first objective lens assembly is output to the first eyepiece lens assembly 6 after passing through the first beam splitting/image combining prism system;
the optical path received by the second objective lens assembly is output to a second eyepiece lens assembly 6' after passing through a second light splitting/image combining prism system;
the laser light path received by the first objective lens assembly enters the photoelectric detector 9 after passing through the first beam splitting/image combining prism system;
the light path of the liquid crystal display 10 passes through the first beam splitting/combining prism system and then is output to the first eyepiece assembly 6;
and the light path of the laser transmitter 8 passes through the second beam splitting/combining prism system and then is output to the second objective lens assembly.
In particular, the first objective lens assembly comprises a first objective lens group 7, a first focusing objective lens 71, the centerlines of the first objective lens assembly and the first eyepiece lens assembly 6 being on the same axis;
the second objective lens assembly comprises a second objective lens assembly 7 ' and a second focusing objective lens 71 ', and the center lines of the second objective lens assembly and the second eyepiece lens assembly 6 ' are on the same axis.
Specifically, a first field diaphragm 11 is arranged in the first lens barrel, the first field diaphragm 11 is arranged opposite to the first eyepiece assembly 6, and an imaging surface of the liquid crystal display 10 is overlapped with the first field diaphragm 11;
a second view field diaphragm 11 ' and a collimating lens 81 are arranged in the second lens barrel, the second view field diaphragm 11 ' is arranged right opposite to the second eyepiece assembly 6 ', and the collimating lens 81 is arranged right opposite to the laser emitter 8.
Specifically, the first light splitting/image combining prism system comprises a first pipe prism 1, a first reflector 5 and a first composite prism which are sequentially arranged along incident light, wherein an internal reflection surface 103 of the first pipe prism 1 is divided into an upper part and a lower part, the first reflector 5 is attached to the upper half part of the internal reflection surface 103 of the first pipe prism 1, and the first composite prism is attached to the lower half part of the internal reflection surface 103 of the first pipe prism 1;
the transmitting and receiving surface 101 of the first pipe prism 1 is opposite to the first objective lens assembly, incident light vertically enters the transmitting and receiving surface 101 of the first pipe prism 1 through the first objective lens assembly, and the first pipe prism 1 comprises the transmitting and receiving surface 101, an outer reflecting surface 102 and an inner reflecting surface 103; the inner reflecting surface 103 and the transmitting and receiving surface 101 form an included angle of 30 degrees, and the inner reflecting surface 103 and the outer reflecting surface 102 form an included angle of 60 degrees.
In this embodiment, the first compound prism includes a first right-angle prism a2, a first right-angle prism B3, and an isosceles right-angle prism 4, where the first right-angle prism a2 has the same shape as the first right-angle prism B3, and the inclined surfaces of the two right-angle prisms are tightly attached, and the inclined surface of the isosceles right-angle prism 4 is tightly attached to the lower side of the long right-angle surface of the first right-angle prism B3;
the bottom surface of the first right-angle prism A2 is attached to the internal reflection surface 103 of the first pipe prism 1, the right-angle surface of the first right-angle prism B3 faces the first eyepiece component 6, the first composite prism comprises a laser emergent surface and a display incident surface, the laser emergent surface is the right-angle surface of the first right-angle prism A2, the display incident surface is the receiving and transmitting surface of the isosceles right-angle prism 4, the laser emergent surface and the internal reflection surface 103 of the first pipe prism 1 form a 90-degree included angle, the photoelectric detector 9 faces the laser emergent surface through the receiving lens 91, the liquid crystal display 10 faces the display incident surface through the display lens group 110, and the display incident surface is parallel to the receiving and transmitting surface 101 of the first pipe prism 1; in the aiming optical axis, light rays pass through a first objective lens assembly, a first tobacco pipe prism 1, a first reflector 5 and a first composite prism and then are imaged on a first field diaphragm 11; in the laser receiving optical axis, light rays pass through a receiving lens 91, a first compound lens, a first pipe prism 1, a first reflector 5 and a first objective lens assembly and then point to a measured target; in the projection optical axis of the liquid crystal display 10, light rays pass through the display lens group 110 and the first compound prism and then are imaged on the first field diaphragm 11;
the second light splitting/image combining prism system comprises a second tobacco pipe prism 1 ', a second reflecting mirror 5' and a second composite prism which are sequentially arranged along incident light, wherein the second composite prism comprises a second right-angle prism A2 'and a second right-angle prism B3'; the second pipe prism 1 ', the second reflecting mirror 5', the second right-angle prism a2 'and the second right-angle prism B3' are respectively and axially symmetrical to the first pipe prism 1, the first reflecting mirror 5, the first right-angle prism a2 and the first right-angle prism B3.
Specifically, the long right-angle surface and the inclined surface of each of the first right-angle prism a2 and the first right-angle prism B3 form an included angle of 30 °.
Specifically, when the first compound prism includes the first right-angle prism a2, the first right-angle prism B3, and the isosceles right-angle prism 4;
the light path of the liquid crystal display 10 passes through the display lens group 110, vertically enters the isosceles right-angle prism 4 through the transceiving surface 401 of the isosceles right-angle prism 4, sequentially passes through two right-angle surfaces (403,402) of the isosceles right-angle prism 4 to be reflected, the transceiving surface 401 of the isosceles right-angle prism 4 is attached to the right-angle surface 302 of the first right-angle prism B3, the display light path vertically enters the first right-angle prism B3 through the transceiving surface 401 of the isosceles right-angle prism 4, sequentially passes through the inclined surface 303 of the first right-angle prism B3 to enter the first right-angle prism a2, is reflected by the bottom surface 201 and the right-angle surface 202 of the first right-angle prism a2, enters the first right-angle prism B3 through the inclined surface 203 of the first right-angle prism a2, and vertically enters the first eyepiece component 6 through the right-angle surface 302 of the first right-angle prism B3.
Specifically, the surface of the internal reflection surface 103 of the first pipe prism 1, which is in contact with the first compound prism, or the surface inside the first compound prism, such as the inclined surface 203 of the first right-angle prism a2 and the inclined surface 303 of the first right-angle prism B3, is plated with a light splitting film layer, which is a film system of the following two types:
(3)λ＝400nm～720nm，R/T＝4:6；λ＝850nm～950nm，T＞98％；
(4)λ＝400nm～620nm，T＞98％；λ＝620nm～7200nm，R/T＝4:6；λ＝850nm～950nm，T＞98％。
example 2
As shown in fig. 2 and fig. 2a, the present embodiment is different from embodiment 1 in the composition of the first composite prism, and in this embodiment, the first composite prism includes a first right-angle prism a2, a first small right-angle prism C12, a small right-angle prism D14 and an equilateral prism E13, wherein the first small right-angle prism C12 and the small right-angle prism D14 have the same shape, the inclined surface of the first small right-angle prism C12 and the side surface of the equilateral prism E13 are tightly attached to the inclined surface of the first right-angle prism a2, and the inclined surface of the small right-angle prism D14 is tightly attached to the other side surface of the equilateral prism E13;
the bottom surface of the first right-angle prism A2 is attached to the internal reflection surface 103 of the first pipe prism 1, the right-angle surface of the first small right-angle prism C12 faces the first eyepiece assembly 6, the first composite prism comprises a laser emergent surface and a display incident surface, the laser emergent surface is the right-angle surface of the first right-angle prism A2, the display incident surface is the right-angle surface of the small right-angle prism D14, the laser emergent surface and the internal reflection surface 103 of the first pipe prism 1 form an included angle of 90 degrees, the photoelectric detector 9 faces the laser emergent surface through the receiving lens 91, a display lens group 110 and a third reflector 15 are arranged between the liquid crystal display 10 and the display incident surface, the display light passes through the display lens group 110 and then is reflected by the third reflector 15 to vertically enter the display incident surface, and the display incident surface and the receiving and transmitting surface 101 of the first pipe prism 1 form an included angle of 60 degrees; in the aiming optical axis, light rays pass through a first objective lens assembly, a first tobacco pipe prism 1, a first reflector 5 and a first composite prism and then are imaged on a first field diaphragm 11; in the laser receiving optical axis, light rays pass through a receiving lens 91, a first compound lens, a first pipe prism 1, a first reflector 5 and a first objective lens assembly and then point to a measured target; in the projection optical axis of the liquid crystal display 10, light rays pass through the display lens group 110 and the first compound prism and then are imaged on the first field diaphragm 11;
the second light splitting/image combining prism system comprises a second tobacco pipe prism 1 ', a second reflecting mirror 5' and a second composite prism which are sequentially arranged along incident light, wherein the second composite prism comprises a second right-angle prism A2 'and a second small right-angle prism C12'; the second tobacco pipe prism 1 ', the second reflecting mirror 5', the second right-angle prism A2 'and the second small right-angle prism C12' are respectively and axially symmetrical to the first tobacco pipe prism 1, the first reflecting mirror 5, the first right-angle prism A2 and the first small right-angle prism C12.
Specifically, the long right-angle surface and the inclined surface of each of the first right-angle prism a2, the first small right-angle prism C12 and the small right-angle prism D14 form an included angle of 30 °.
Specifically, when the first compound prism includes a first right-angle prism a2, a first small right-angle prism C12, a small right-angle prism D14, and an equilateral prism E13;
the light path of the liquid crystal display 10 passes through the display lens group 110 and the third reflector 15, vertically enters the small rectangular prism D14 through the transceiving surface 1401 of the small rectangular prism D14, enters the equilateral prism E13 through the inclined surface 1403 of the small rectangular prism D14 or the side surface 1303 of the equilateral prism E13, is reflected by the other side surface 1302 of the equilateral prism E13, enters the first rectangular prism a2 through the inclined surface 203 of the first rectangular prism a2, sequentially enters the first small rectangular prism C12 through the inclined surface 1201 of the first small rectangular prism C12 after being reflected by the two right-angled surfaces (201, 202) of the first rectangular prism a2, and vertically enters the first eyepiece component 6 through the right-angled surface 1202 of the first small rectangular prism C12.
Specifically, the surface of the internal reflection surface 103 of the first pipe prism 1, which is in contact with the first composite prism, or the surface inside the first composite prism, such as the inclined surface 203 of the first right-angle prism a2, the inclined surface 1201 of the first small right-angle prism C12, and the inclined surface 1301 of the equilateral prism E13, is coated with a light-splitting film layer, which is a film system of two types:
(5)λ＝400nm～720nm，R/T＝4:6；λ＝850nm～950nm，T＞98％；
(6)λ＝400nm～620nm，T＞98％；λ＝620nm～7200nm，R/T＝4:6；λ＝850nm～950nm，T＞98％。
example 3
As shown in fig. 3 and 3a, the present embodiment is different from embodiment 1 in the composition of the first compound prism, which includes a first equilateral prism F16, a first isosceles prism 17 and a first small right-angle prism C12, wherein the side surfaces of the first equilateral prism F16 and the inclined surfaces of the first small right-angle prism C12 are abutted against the two isosceles surfaces of the first isosceles prism 17;
the other side surface of the first equilateral prism F16 is attached to the internal reflection surface 103 of the first pipe prism 1, the right-angle surface of the first small right-angle prism C12 faces the first eyepiece assembly 6, the first composite prism comprises a laser emergent surface and a display incident surface, the laser emergent surface is the bottom surface of the first equilateral prism 17, the display incident surface is the bottom surface of the first equilateral prism 17, the laser emergent surface forms a 90-degree included angle with the internal reflection surface 103 of the first pipe prism 1, the photoelectric detector 9 faces the laser emergent surface through the receiving lens 91, a display lens assembly 110 is arranged between the liquid crystal display 10 and the display incident surface, the liquid crystal display 10 faces the display incident surface through the display lens assembly 110, and the display incident surface forms a 60-degree included angle with the receiving and transmitting surface 101 of the first pipe prism 1; in the aiming optical axis, light rays pass through a first objective lens assembly, a first tobacco pipe prism 1, a first reflector 5 and a first composite prism and then are imaged on a first field diaphragm 11; in the laser receiving optical axis, light rays pass through a receiving lens 91, a first compound lens, a first pipe prism 1, a first reflector 5 and a first objective lens assembly and then point to a measured target; in the projection optical axis of the liquid crystal display 10, light rays pass through the display lens group 110 and the first compound prism and then are imaged on the first field diaphragm 11;
the second light splitting/image combining prism system comprises a second tobacco pipe prism 1 ', a second reflecting mirror 5 ' and a second composite prism which are sequentially arranged along incident light, wherein the second composite prism comprises a second equilateral prism F16 ', a second isosceles prism 17 ' and a second small right-angle prism C12 '; the second tobacco pipe prism 1 ', the second reflecting mirror 5 ', the second equilateral prism F16 ', the second isosceles prism 17 ', and the second small right-angle prism C12 ' are respectively axially symmetrical to the first tobacco pipe prism 1, the first reflecting mirror 5, the first equilateral prism F16, the first isosceles prism 17, and the first small right-angle prism C12.
Specifically, an included angle of 30 ° is formed between the long right-angle surface and the inclined surface of the first small right-angle prism C12, and an included angle of 30 ° is formed between the iso-lumbar surface and the bottom surface of the first iso-lumbar prism 17.
Specifically, the surface of the internal reflection surface 103 of the first pipe prism 1, which is in contact with the first composite prism, or the surface inside the first composite prism, such as the inclined plane 1201 of the first small rectangular prism C12, the equilateral plane 1602 of the first equilateral prism F16, or the equi-waisted plane (1701, 1703) of the first equi-waisted prism 17, is coated with a light splitting film layer, which is a film system of two types:
(7)λ＝400nm～720nm，R/T＝4:6；λ＝850nm～950nm，T＞98％；
(8)λ＝400nm～620nm，T＞98％；λ＝620nm～7200nm，R/T＝4:6；λ＝850nm～950nm，T＞98％。
the invention has simple structure, small occupied volume and convenient use, can realize binocular observation and aim at the object to be measured, can display the target distance and the target speed of the object to be measured in real time in the visual field while observing the object, can directly display the measured data in the visual field through a transmission Liquid Crystal Display (LCD) or an OLED or an LED projection display, and can adjust the focal length and the interpupillary distance through a middle shaft, and the visual degrees are respectively adjusted by a left ocular and a right ocular.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The binocular laser coaxial ranging telescope is characterized by comprising a first eyepiece assembly (6), a first objective assembly and a first beam splitting/combining prism system which are arranged in a first lens barrel, and a second eyepiece assembly (6'), a second objective assembly and a second beam splitting/combining prism system which are arranged in a second lens barrel;
the first beam splitting/combining prism system is positioned between the first eyepiece assembly (6) and the first objective lens assembly;
the second beam splitting/combining prism system is positioned between the second eyepiece assembly (6') and the second eyepiece assembly;
a photoelectric detector (9) and a liquid crystal display (10) are arranged in the first lens barrel, and a laser emitter (8) is arranged in the second lens barrel;
the optical path received by the first objective lens assembly is output to a first eyepiece lens assembly (6) after passing through a first beam splitting/image combining prism system;
the optical path received by the second objective lens assembly is output to a second eyepiece lens assembly (6') after passing through a second light splitting/image combining prism system;
the laser light path received by the first objective lens component enters the photoelectric detector (9) after passing through the first beam splitting/image combining prism system;
the light path of the liquid crystal display (10) passes through the first light splitting/image combining prism system and then is output to the first eyepiece assembly (6);
and the light path of the laser transmitter (8) passes through the second beam splitting/combining prism system and then is output to the second objective lens assembly.
2. The binocular laser coaxial ranging telescope according to claim 1, characterized in that the first objective lens assembly comprises a first objective lens group (7), a first focusing objective lens (71), the centerlines of the first objective lens assembly and the first eyepiece lens assembly (6) being on the same axis;
the second objective lens assembly comprises a second objective lens assembly (7 ') and a second focusing objective lens (71 '), and the center lines of the second objective lens assembly and the second objective lens assembly (6 ') are on the same axis.
3. The binocular laser coaxial ranging telescope according to claim 1, wherein a first field diaphragm (11) is arranged in the first barrel, the first field diaphragm (11) is arranged opposite to the first eyepiece assembly (6), and the imaging surface of the liquid crystal display (10) coincides with the first field diaphragm (11);
a second field diaphragm (11 ') and a collimating lens (81) are arranged in the second lens barrel, the second field diaphragm (11 ') is arranged opposite to the second eyepiece assembly (6 '), and the collimating lens (81) is arranged opposite to the laser emitter (8).
4. The binocular laser coaxial distance measuring telescope according to claim 3, wherein the first splitting/combining prism system comprises a first pipe prism (1), a first reflector (5) and a first compound prism which are arranged in sequence along an incident light ray, the internal reflection surface (103) of the first pipe prism (1) is divided into an upper part and a lower part, the first reflector (5) is attached to the upper half part of the internal reflection surface (103) of the first pipe prism (1), and the first compound prism is attached to the lower half part of the internal reflection surface (103) of the first pipe prism (1);
a transmitting and receiving surface (101) of the first tobacco pipe prism (1) is opposite to the first objective lens assembly, incident light vertically enters the transmitting and receiving surface (101) of the first tobacco pipe prism (1) through the first objective lens assembly, and the first tobacco pipe prism (1) comprises a transmitting and receiving surface (101), an outer reflecting surface (102) and an inner reflecting surface (103); wherein the inner reflecting surface (103) and the transmitting and receiving surface (101) form an included angle of 30 degrees, and the inner reflecting surface (103) and the outer reflecting surface (102) form an included angle of 60 degrees.
5. The binocular laser coaxial ranging telescope according to claim 4, wherein the first compound prism comprises a first right-angle prism A (2), a first right-angle prism B (3) and an isosceles right-angle prism (4), wherein the first right-angle prism A (2) and the first right-angle prism B (3) are in the same shape, the inclined surfaces of the two right-angle prisms are tightly attached, and the inclined surface of the isosceles right-angle prism (4) is tightly attached to the lower side of the long right-angle surface of the first right-angle prism B (3);
the bottom surface of a first right-angle prism A (2) is attached to an internal reflection surface (103) of a first tobacco pipe prism (1), a right-angle surface of a first right-angle prism B (3) is opposite to a first eyepiece component (6), the first composite prism comprises a laser emergent surface and a display incident surface, the laser emergent surface is a right-angle surface of the first right-angle prism A (2), the display incident surface is a receiving and transmitting surface of an isosceles right-angle prism (4), the laser emergent surface and the internal reflection surface (103) of the first tobacco pipe prism (1) form an included angle of 90 degrees, a photoelectric detector (9) is opposite to the laser emergent surface through a receiving lens (91), a liquid crystal display (10) is opposite to the display incident surface through a display lens group (110), and the display incident surface is parallel to the receiving and transmitting surface (101) of the first tobacco pipe prism (1); in the aiming optical axis, light rays pass through a first objective lens assembly, a first tobacco pipe prism (1), a first reflector (5) and a first composite prism and then are imaged on a first field diaphragm (11); in the laser receiving optical axis, light rays point to a measured target after passing through a receiving lens (91), a first compound lens, a first pipe prism (1), a first reflector (5) and a first objective lens assembly; in a projection optical axis of the liquid crystal display (10), light rays pass through the display lens group (110) and the first composite prism and then are imaged on the first field diaphragm (11);
the second splitting/combining prism system comprises a second tobacco pipe prism (1 '), a second reflector (5') and a second composite prism which are sequentially arranged along incident light, and the second composite prism comprises a second right-angle prism A (2 ') and a second right-angle prism B (3'); the second tobacco pipe prism (1 '), the second reflector (5'), the second right-angle prism A (2 ') and the second right-angle prism B (3') are respectively in axial symmetry with the first tobacco pipe prism (1), the first reflector (5), the first right-angle prism A (2) and the first right-angle prism B (3).
6. The binocular laser coaxial distance measuring telescope according to claim 4, wherein the first compound prism comprises a first right-angle prism A (2), a first small right-angle prism C (12), a small right-angle prism D (14) and an equilateral prism E (13), wherein the first small right-angle prism C (12) and the small right-angle prism D (14) are identical in shape, an inclined surface of the first small right-angle prism C (12) and a side surface of the equilateral prism E (13) are abutted against an inclined surface of the first right-angle prism A (2), and an inclined surface of the small right-angle prism D (14) is abutted against the other side surface of the equilateral prism E (13);
the bottom surface of a first right-angle prism A (2) is attached to an internal reflection surface (103) of a first tobacco pipe prism (1), a right-angle surface of a first small right-angle prism C (12) is just opposite to a first eyepiece component (6), the first composite prism comprises a laser emergent surface and a display incident surface, the laser emergent surface is the right-angle surface of the first right-angle prism A (2), the display incident surface is the right-angle surface of a small right-angle prism D (14), the laser emergent surface and the internal reflection surface (103) of the first tobacco pipe prism (1) form an included angle of 90 degrees, a photoelectric detector (9) is just opposite to the laser emergent surface through a receiving lens (91), a display lens group (110) and a third reflector (15) are arranged between a liquid crystal display (10) and the display incident surface, display light passes through the display lens group (110) and then is reflected by the third reflector (15) and vertically enters the display incident surface, the incident surface of the display and the receiving and transmitting surface (101) of the first tobacco pipe prism (1) form an included angle of 60 degrees; in the aiming optical axis, light rays pass through a first objective lens assembly, a first tobacco pipe prism (1), a first reflector (5) and a first composite prism and then are imaged on a first field diaphragm (11); in the laser receiving optical axis, light rays point to a measured target after passing through a receiving lens (91), a first compound lens, a first pipe prism (1), a first reflector (5) and a first objective lens assembly; in a projection optical axis of the liquid crystal display (10), light rays pass through the display lens group (110) and the first composite prism and then are imaged on the first field diaphragm (11);
the second splitting/combining prism system comprises a second tobacco pipe prism (1 '), a second reflector (5') and a second composite prism which are sequentially arranged along incident light, and the second composite prism comprises a second right-angle prism A (2 ') and a second small right-angle prism C (12'); the second tobacco pipe prism (1 '), the second reflector (5'), the second right-angle prism A (2 ') and the second small right-angle prism C (12') are respectively in axial symmetry with the first tobacco pipe prism (1), the first reflector (5), the first right-angle prism A (2) and the first small right-angle prism C (12).
7. The binocular laser coaxial ranging telescope according to claim 4, wherein the first compound prism comprises a first equilateral prism F (16), a first isosceles prism (17) and a first small right-angle prism C (12), the side surfaces of the first equilateral prism F (16) and the inclined surface of the first small right-angle prism C (12) are against the two isosceles surfaces of the first isosceles prism (17);
the other side surface of the first equilateral prism F (16) is attached to the internal reflection surface (103) of the first tobacco pipe prism (1), the right-angle surface of the first small right-angle prism C (12) is right opposite to the first eyepiece component (6), the first compound prism comprises a laser emergent surface and a display incident surface, the laser emergent surface is the bottom surface of the first isosceles prism (17), the incident surface of the display is the bottom surface of the first isosceles prism (17), the laser emergent surface and the internal reflection surface (103) of the first tobacco pipe prism (1) form an included angle of 90 degrees, the photoelectric detector (9) is just opposite to the laser emergent surface through the receiving lens (91), a display lens group (110) is arranged between the liquid crystal display (10) and the incident surface of the display, the liquid crystal display (10) is just opposite to the incident surface of the display through the display lens group (110), the incident surface of the display and the receiving and transmitting surface (101) of the first tobacco pipe prism (1) form an included angle of 60 degrees; in the aiming optical axis, light rays pass through a first objective lens assembly, a first tobacco pipe prism (1), a first reflector (5) and a first composite prism and then are imaged on a first field diaphragm (11); in the laser receiving optical axis, light rays point to a measured target after passing through a receiving lens (91), a first compound lens, a first pipe prism (1), a first reflector (5) and a first objective lens assembly; in a projection optical axis of the liquid crystal display (10), light rays pass through the display lens group (110) and the first composite prism and then are imaged on the first field diaphragm (11);
the second splitting/combining prism system comprises a second tobacco pipe prism (1 '), a second reflecting mirror (5 ') and a second composite prism which are sequentially arranged along incident light, wherein the second composite prism comprises a second equilateral prism F (16 '), a second isosceles prism (17 ') and a second small right-angle prism C (12 '); the second tobacco pipe prism (1 '), the second reflector (5 '), the second equilateral prism F (16 '), the second isosceles prism (17 '), and the second small right-angle prism C (12 ') are respectively axially symmetrical to the first tobacco pipe prism (1), the first reflector (5), the first equilateral prism F (16), the first isosceles prism (17), and the first small right-angle prism C (12).
8. The binocular laser coaxial ranging telescope according to claim 5, wherein when the first compound prism comprises a first right-angle prism A (2), a first right-angle prism B (3) and an isosceles right-angle prism (4);
the light path of the liquid crystal display (10) vertically enters the isosceles right-angle prism (4) through the display lens group (110) and the transceiving surface (401) of the isosceles right-angle prism (4), sequentially reflects through the two right-angle surfaces (403,402) of the isosceles right-angle prism (4), the transceiving surface (401) of the isosceles right-angle prism (4) is attached to the right-angle surface (302) of the first right-angle prism B (3), the display light path vertically enters the first right-angle prism B (3) through the transceiving surface (401) of the isosceles right-angle prism (4), sequentially enters the first right-angle prism A (2) through the inclined surface (303) of the first right-angle prism B (3), and enters the first right-angle prism B (3) through the inclined surface (203) of the first right-angle prism A (2) after being reflected by the bottom surface (201) and the right-angle surface (202) of the first right-angle prism A (2), the light enters the first eyepiece assembly (6) through the right-angle surface (302) of the first right-angle prism B (3) perpendicularly.
9. The binocular laser coaxial ranging telescope according to claim 6, wherein the first compound prism comprises a first right-angle prism A (2), a first small right-angle prism C (12), a small right-angle prism D (14) and an equilateral prism E (13);
the light path of the liquid crystal display (10) passes through the display lens group (110) and the third reflector (15) and vertically enters the small rectangular prism D (14) through the transceiving surface (1401) of the small rectangular prism D (14), into the equilateral prism E (13) via the inclined surface (1403) of the small right-angle prism D (14) or the side surface (1303) of the equilateral prism E (13), the warp after another side (1302) reflection of equilateral prism E (13), through inclined plane (203) entering first right angle prism A (2) of first right angle prism A (2), pass through in proper order after two right angle faces (201, 202) reflection of first right angle prism A (2), the warp inclined plane (1201) entering of first little right angle prism C (12), through right angle face (1202) vertical incidence of first little right angle prism C (12) extremely first eyepiece subassembly (6).
10. The binocular laser coaxial distance measuring telescope according to any one of claims 4 to 9, wherein the surface of the first pipe prism (1) where the internal reflection surface (103) contacts with the first composite prism or the surface inside the first composite prism is coated with a light splitting film, and the light splitting film is in the following two film systems:
(9) λ＝400nm～720nm，R/T＝4:6； λ＝850nm～950nm，T＞98％；
(10) λ＝400nm～620nm， T＞98％； λ＝620nm～7200nm， R/T＝4:6；
λ＝850nm～950nm，T＞98％。
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023213130A1 (en) * | 2022-05-05 | 2023-11-09 | 成都赛诺特光学有限公司 | Laser range finder in which optical transmission and receiving are coaxial, and optical module |
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