CN110058419B - Erecting system and binocular laser ranging telescope - Google Patents
Erecting system and binocular laser ranging telescope Download PDFInfo
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- CN110058419B CN110058419B CN201910350471.8A CN201910350471A CN110058419B CN 110058419 B CN110058419 B CN 110058419B CN 201910350471 A CN201910350471 A CN 201910350471A CN 110058419 B CN110058419 B CN 110058419B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
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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
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
- G02B27/10—Beam splitting or combining systems
- G02B27/1006—Beam splitting or combining systems for splitting or combining different wavelengths
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Abstract
The invention discloses an erecting system and a binocular laser ranging telescope, wherein the erecting system comprises a roof half pentaprism, a beam splitter prism and an isosceles prism; the beam splitting prism is positioned between the roof half pentaprism and the isosceles prism and is formed by gluing two right-angle prisms, and the gluing surfaces of the two right-angle prisms are provided with beam splitting films. The invention has simple structure, small occupied volume and convenient use, can realize binocular observation and aim at the object to be measured, and can display the distance of the object to be measured in real time in the visual field while observing the object.
Description
Technical Field
The invention belongs to the technical field of laser ranging, and particularly relates to an erecting system and a binocular laser ranging telescope.
Background
The distance measuring instrument is designed for measuring length and distance by using characteristics such as reflection and interference of light, sound and electromagnetic wave. The novel range finder can utilize the length measurement result to scientifically calculate other parameters such as the area, the perimeter, the volume, the mass and the like of a target to be measured on the basis of length measurement, and has a wide application range in the fields of engineering application, GIS investigation, military and the like.
The distance measuring telescope is an important branch of the distance measuring instrument, at present, a laser light path and a visible light path of the laser distance measuring telescope are divided into two mutually unrelated light paths, so that the telescope can only be used as a sighting device for laser distance measurement and cannot measure the distance while observing. The reason is that: the measured distance cannot be displayed in the field of view of the telescope, thereby causing inconvenience to the user. Meanwhile, the optical components for observing and measuring the distance of the product are independent respectively, and the combination of building blocks is formed, so that the size of the telescope product is increased, the weight is increased, the telescope product is not convenient to carry and operate.
Therefore, how to provide an erecting system and a binocular laser ranging telescope is a problem that needs to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of this, the invention provides an erecting system and a binocular laser ranging telescope, which not only have simple structure and small occupied volume, but also are convenient to use, can realize binocular observation and aiming at a measured object, and can display the distance of the measured object in the visual field in real time while observing the object.
In order to achieve the purpose, the invention adopts the following technical scheme:
an erecting system comprises a roof half pentaprism, a beam splitter prism and an isosceles prism; the beam splitter prism is positioned between the roof half pentaprism and the isosceles prism and is formed by gluing two right-angle prisms, and a beam splitting film is arranged on the gluing surface of the two right-angle prisms.
Preferably, the beam splitting prism is square structure, and the inclined plane laminating of two isosceles right angle prisms is connected for the beam splitting membrane can coat on the inclined plane, and connects the inclined plane laminating of two isosceles right angle prisms and has guaranteed the incident emission efficiency of binding face, has reduced the loss of light.
Preferably, the ridge semi-pentaprism comprises a ridge transmitting and receiving surface, a ridge external reflecting surface, a ridge internal reflecting surface and a ridge top surface, two ends of the ridge transmitting and receiving surface are respectively intersected with one end of the ridge external reflecting surface and one end of the ridge internal reflecting surface, two ends of the ridge top surface are respectively intersected with the other end of the ridge external reflecting surface and the other end of the ridge internal reflecting surface, an included angle between the ridge external reflecting surface and the ridge transmitting and receiving surface is 112.5 degrees, an included angle between the ridge transmitting and receiving surface and the ridge internal reflecting surface is 45 degrees, and an included angle between the ridge internal reflecting surface and the ridge top surface is 90 degrees. The volume of an erecting system is reduced, the influence of the roof half-pentaprism on the light beam is reduced, the stability and the reliability are high, the volume is small, and the structure is compact.
Preferably, isosceles prism includes two waists such as waist and a bottom surface, two the one end of waists such as waist is crossing, the other end respectively with the both ends of bottom surface are crossing, and two the contained angle of waists such as waist is 45 degrees, waist such as with the contained angle of bottom surface is 67.5 degrees. The size of the positive image system can be reduced, the loss of light beams is reduced, the light transmittance is improved, and the definition of object observation and distance measurement display is ensured.
A binocular laser range telescope comprises an eyepiece group, an objective group and an erect image system which are respectively arranged in two lens cones, wherein the erect image system is positioned between the eyepiece group and the objective group; a laser emitter is arranged between the two lens cones, wherein a photoelectric detector and a liquid crystal display are arranged in one lens cone;
the optical path received by the objective lens group is output to one of the eyepiece lens groups through the erecting image system;
a laser light path received by the objective lens group enters the photoelectric detector after passing through the image erecting system;
and the light path of the liquid crystal display passes through the erecting system and then is output to the other eyepiece set.
Preferably, a field stop is arranged between the eyepiece group and the erect image system. When the image of the distant object and the image of the ocular group are both at the field stop, the observed object is clear and high.
Preferably, the photodetector and the liquid crystal display are arranged on both sides of the erect image system.
Preferably, a display lens group is arranged between the liquid crystal display and the beam splitter prism; the light path of the liquid crystal display vertically enters the light splitting prism through the display lens group, is vertically incident into the isosceles right-angle prism after being reflected by the inclined plane of the isosceles right-angle prism, and is vertically incident into the eyepiece group after being reflected by the isosceles surface, the bottom surface and the isosceles surface in sequence. The displayed distance number is reflected by a splitting film on the splitting prism through the display lens group, the isosceles prism forms an image at the field diaphragm, then the image passes through the eyepiece group, finally enters human eyes and reads data, and real-time observation and distance measurement of objects at a distance are realized.
Preferably, the photodetector is disposed at one side of the image erecting system, the liquid crystal display is disposed at a field stop of the lens barrel, and a flat glass is disposed at the field stop of the other lens barrel.
Preferably, a focusing objective lens is arranged between the objective lens group and the positive image system. By adjusting the positions of the focusing objective lens and the objective lens group, a distant object can be imaged at the field stop, and the improvement of the definition of the observed object is facilitated.
Preferably, light path received by the objective group passes through the focus-adjusting objective, and then enters the roof half-pentaprism through the roof transmitting surface, then passes through the roof internal reflection surface and the reflection of the roof external reflection surface in turn and vertically penetrates the beam splitting prism to enter the isosceles prisms, and then vertically enters the eyepiece group after sequentially passing through the reflection of the isosceles surfaces, the bottom surface and the isosceles surfaces, so that the object to be measured can be observed and aimed by two eyes.
Preferably, a receiving lens is arranged between the photoelectric detector and the beam splitting prism; the laser light path received by the objective lens group penetrates through the focusing objective lens, enters the roof half-pentaprism from the roof transmitting and receiving surface, then is reflected by the roof internal reflecting surface and the roof external reflecting surface in sequence and vertically enters the light splitting prism, is reflected by the inclined surface of the isosceles right-angle prism and vertically enters the receiving lens, and then enters the photoelectric detector through the receiving lens. The laser emitter emits infrared laser, the infrared laser is incident on a far object, an optical signal reflected by the object passes through the objective lens group, the focusing objective lens, the roof half-pentaprism, a light splitting film on the light splitting prism is reflected, the receiving lens is finally received by the photoelectric detector, the distance of the far object is calculated according to the time difference between the emission of the laser and the receiving of the optical signal through photoelectric signal processing, and the distance is displayed on the liquid crystal display, so that the accurate measurement of the distance of the object is realized.
The invention has the beneficial effects that:
the erecting system comprises a roof half-pentaprism, a beam splitter prism and an isosceles prism, so that the size of the erecting system can be reduced, the influence on light beams can be reduced, and the stability and reliability of observing objects by using the telescope are improved; the laser emitter is arranged between the two lens barrels, the photoelectric detector and the liquid crystal display are arranged in one lens barrel, the measured object can be observed and aimed by two eyes, the distance of the measured object can be displayed in the visual field in real time when the object is observed, and the laser emitter, the photoelectric detector and the liquid crystal display can be used as a common telescope when being turned off, so that the laser emitter, the photoelectric detector and the liquid crystal display are small in size and convenient to carry and use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic diagram of an image erecting system according to the present invention.
Fig. 2 is a schematic structural diagram of a binocular laser ranging telescope according to an embodiment of the invention.
Fig. 3 is a schematic structural diagram of another embodiment of the binocular laser ranging telescope of the invention.
Fig. 4 is a schematic structural diagram of a binocular laser ranging telescope according to still another embodiment of the invention.
Wherein, in the figure,
1-roof half pentaprism; 11-a roof emitting surface; 12-a ridge external reflecting surface; 13-a ridge internal reflection surface; 14-roof ridge top surface; 2-a beam splitting prism; 21-a light splitting film; 3-an isosceles prism; 31-waisted surface; 32-a bottom surface; 4-ocular group; 5-an objective lens group; 51-a focusing objective; 6-a laser emitter; 61-an emission lens; 7-a photodetector; 71-a receiving lens; 8-liquid crystal displays; 81-a display lens group; 9-field diaphragm; 10-plate glass; 101-an isosceles trapezoid prism; 102-triangular prism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides an image erecting system, which includes a roof half pentaprism 1, a beam splitter prism 2 and an isosceles prism 3; the beam splitter prism 2 is located between the roof half pentaprism 1 and the isosceles prism 3, the beam splitter prism 2 is formed by gluing two right-angle prisms, and a beam splitting film 21 is arranged on the gluing surface of the two right-angle prisms.
The beam splitter prism 2 is of a square structure, the inclined planes of the two isosceles right-angle prisms are attached and connected, so that the beam splitting film 21 can be coated on the inclined planes, the inclined planes of the two isosceles right-angle prisms are attached and connected, the incident emission efficiency of an attachment surface is guaranteed, and the loss of light is reduced. Wherein, the included angle eta of the two right-angle surfaces is 90 degrees, and the included angle theta between the right-angle surface and the inclined surface is 45 degrees.
The ridge semi-pentaprism 1 comprises a ridge transmitting and receiving surface 11, a ridge external reflecting surface 12, a ridge internal reflecting surface 13 and a ridge top surface 14, wherein two ends of the ridge transmitting and receiving surface 11 are respectively intersected with one end of the ridge external reflecting surface 12 and one end of the ridge internal reflecting surface 13, two ends of the ridge top surface 14 are respectively intersected with the other end of the ridge external reflecting surface 12 and the other end of the ridge internal reflecting surface 13, an included angle alpha between the ridge external reflecting surface 12 and the ridge transmitting and receiving surface 11 is 112.5 degrees, an included angle beta between the ridge transmitting and receiving surface 11 and the ridge internal reflecting surface 13 is 45 degrees, and an included angle gamma between the ridge internal reflecting surface 13 and the ridge top surface 14 is 90 degrees. The volume of an erecting system is reduced, the influence of the roof ridge semi-pentaprism 1 on the light beam is also reduced, and the roof ridge semi-pentaprism has the advantages of high stability and reliability, small volume and compact structure.
The isosceles prism 3 includes two isosceles surfaces 31 and a bottom surface 32, one end of each of the two isosceles surfaces 31 intersects, the other end intersects with both ends of the bottom surface 32, and an included angle δ of the two isosceles surfaces 31 is 45 degrees, and an included angle e between the isosceles surface 31 and the bottom surface 32 is 67.5 degrees. The size of the positive image system can be reduced, the loss of light beams is reduced, the light transmittance is improved, and the definition of object observation and distance measurement display is ensured.
Referring to fig. 2, the present invention provides a binocular laser range finder telescope, which comprises an eyepiece set 4, an objective set 5 and an image erecting system respectively mounted in two lens barrels, wherein the image erecting system is located between the eyepiece set 4 and the objective set 5; a laser emitter 6 is arranged between the two lens cones, wherein a photoelectric detector 7 and a liquid crystal display 8 are arranged in one lens cone;
the optical path received by the objective lens group 5 is output to one of the eyepiece lens groups 4 by the positive image system;
the laser light path received by the objective lens group 5 enters the photoelectric detector 7 after passing through the positive image system;
the light path of the liquid crystal display 8 passes through the erecting system and is then output to the other eyepiece group 4.
In another embodiment, the eyepiece group 4 includes a first lens, a second lens, and a third lens, which are sequentially disposed from left to right, and the first lens, the second lens, and the third lens are coaxially disposed.
In another embodiment, the objective lens group 5 includes a fourth lens element, a fifth lens element and a sixth lens element sequentially arranged from left to right, and the fourth lens element, the fifth lens element and the sixth lens element are coaxially arranged.
In another embodiment, the laser transmitter 6 employs a semiconductor laser or laser diode that emits in the infrared band.
In another embodiment, the photodetector 7 is an Avalanche Photo Diode (APD) or Photo Diode (PD) or PIN tube.
In another embodiment, the liquid crystal display 8 may be an organic light emitting diode OLED or a backlight display LCD.
In another embodiment, the laser emitter 6 is provided with an emitting lens 61 on the optical path of the emitted laser light, and the laser light can be collimated by the emitting lens 61 and then incident on a distant object.
In another embodiment, the laser transmitter 6 can be disposed near the central axis of the objective lens group 5 of the telescope, or can be disposed at other positions between two lens barrels of the telescope.
In another embodiment, a field stop 9 is disposed between the eyepiece set 4 and the erect image system. When the image of the distant object and the image of the eyepiece group 4 are both at the field stop 9, the sharpness of the observed object is high.
In another embodiment, a focusing objective 51 is disposed between the objective lens assembly 5 and the erect image system. By adjusting the positions of the focusing objective 51 and the objective lens group 5, a distant object can be imaged at the field stop, which is beneficial to improving the definition of the observed object.
The light path received by the objective lens group 5 passes through the focusing objective lens 51, enters the roof semi-pentaprism 1 through the roof transmitting surface 11, then vertically penetrates through the beam splitter prism 2 to enter the isosceles prism 3 after being reflected by the roof internal reflection surface 13 and the roof external reflection surface 12 in sequence, and vertically enters the ocular lens group 4 after being reflected by the equal waist surfaces 31, the bottom surface 32 and the equal waist surfaces 31 in sequence, so that the object to be measured can be observed and aimed by two eyes.
A receiving lens 71 is arranged between the photoelectric detector 7 and the beam splitter prism 2; the laser light path received by the objective lens group 5 penetrates through the focusing objective lens 51, enters the roof hemipentaprism 1 through the roof transmitting and receiving surface 11, then is reflected by the roof internal reflection surface 13 and the roof external reflection surface 12 in sequence, then vertically enters the beam splitter prism 2, is reflected by the inclined surface of the isosceles right-angle prism, vertically enters the receiving lens 71, passes through the receiving lens 71 and enters the photoelectric detector 7. The laser emitter 6 emits infrared laser, the infrared laser is incident on a far object, an optical signal reflected by the object is reflected by the splitting film 21 on the objective lens group 5, the focusing objective lens 51, the roof half-pentaprism 1 and the splitting prism 2 in sequence and is received by the photoelectric detector 7, the distance of the far object is calculated according to the time difference between the emitted laser and the received optical signal through photoelectric signal processing, and the distance is displayed on the liquid crystal display 8, so that the accurate measurement of the object distance is realized.
In another embodiment, the photodetector 7 and the liquid crystal display 8 are arranged on both sides of the erecting system.
A display lens group 81 is arranged between the liquid crystal display 8 and the beam splitter prism 2; the light path of the liquid crystal display 8 vertically enters the beam splitter prism 2 through the display lens group 81, is reflected by the inclined plane of the isosceles right-angle prism, vertically enters the isosceles right-angle prism, and vertically enters the eyepiece group 4 after being reflected by the iso-waist surface 31, the bottom surface 32 and the iso-waist surface 31 in sequence. Distance data displayed by the liquid crystal display 8 is reflected by the splitting film 21 on the splitting prism 2 through the display lens group 81, passes through the isosceles prism 3, is imaged at the field stop 9, then passes through the eyepiece group 4, finally enters human eyes and reads data, and real-time observation and distance measurement of a distant object are realized.
In another embodiment, referring to fig. 3, the photodetector 7 is disposed at one side of the erect image system, the liquid crystal display 8 is disposed at the field stop of the lens barrel, and the flat glass 10 with the same transmittance as that of the liquid crystal display 8 is disposed at the field stop of the other lens barrel.
When a binocular laser range finder telescope is used for observing a distant object, the adjusting eyepiece group 4 is focused on the liquid crystal display 8, then the positions of the focusing objective lens 51 and the objective lens group 5 are adjusted, so that the distant object is imaged at the position of the liquid crystal display 8, the observed object is clear, then the laser emitter 6 emits infrared laser, the infrared laser is collimated by the emitting lens 61 and then enters the distant object, an optical signal reflected by the object passes through the objective lens group 5, the focusing objective lens 51, the roof half-pentaprism 1 and the splitting film 21 on the splitting prism 2, the receiving lens 71 is finally received by the photoelectric detector 7, the distance of the distant object is calculated according to the time difference between the emitted laser and the received optical signal through photoelectric signal processing, the distance is displayed on the liquid crystal display 8, and the displayed distance number is directly observed by human eyes through the eyepiece group 4.
In another embodiment, referring to fig. 4, the roof half pentaprism 1, the isosceles trapezoid prism 101 and the triangular prism 102 form an erecting system, the oblique side of the isosceles trapezoid prism 101 is glued with the triangular prism 102, the gluing surface is provided with the splitting film 21, the electric detector 7 is arranged at one side of the erecting system, the liquid crystal display 8 is arranged at the field stop of the lens barrel, and the field stop of the other lens barrel is provided with the flat glass 10 having the same transmittance as the liquid crystal display 8.
When a binocular laser range finder telescope is used for observing a distant object, the adjusting eyepiece group is focused on the liquid crystal display 8, then the positions of the focusing objective lens 51 and the objective lens group 5 are adjusted, so that the distant object is imaged and also imaged at the position of the liquid crystal display 8, the observed object is clear, then infrared laser is emitted by the laser emitter 6 and is incident on the distant object after being collimated by the emitting lens 61, an optical signal reflected by the object passes through the objective lens group 5, the focusing objective lens 51, the roof hemipentaprism 1 and the spectroscopic film 21 on the isosceles trapezoid prism 101 for transmission, the receiving lens 71 is finally received by the photoelectric detector 7, the distance of the distant object is calculated according to the time difference between the emitted laser and the received optical signal through photoelectric signal processing, the distance is displayed on the liquid crystal display 8, and the displayed distance number is directly observed by human eyes through the eyepiece group 4.
The erecting system comprises a roof half pentaprism 1, a beam splitter prism 2 and an isosceles prism 3, so that the size of the erecting system can be reduced, the influence on light beams can be reduced, and the stability and reliability of observing objects by using a telescope are improved; set up laser emitter 6 between two lens barrels, photoelectric detector 7 and LCD 8 set up in a lens barrel, not only can the eyes observe, aim the testee, in addition when observing the object, can show the distance of testee in real time in the field of vision to when closing laser emitter 6, photoelectric detector 7 and LCD 8, also can regard as a ordinary telescope to use, small, conveniently carry and use.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An erecting system is characterized by comprising a roof half-pentaprism, a beam splitter prism and an isosceles prism; the beam splitter prism is positioned between the roof half pentaprism and the isosceles prism and is formed by gluing two right-angle prisms, and a beam splitting film is arranged on the gluing surface of the two right-angle prisms;
the roof half pentaprism comprises a roof transceiving surface, a roof external reflecting surface, a roof internal reflecting surface and a roof top surface, wherein two ends of the roof transceiving surface are respectively intersected with one end of the roof external reflecting surface and one end of the roof internal reflecting surface, and two ends of the roof top surface are respectively intersected with the other end of the roof external reflecting surface and the other end of the roof internal reflecting surface; the isosceles prism comprises two isosceles surfaces and a bottom surface, one ends of the two isosceles surfaces are intersected, and the other ends of the two isosceles surfaces are respectively intersected with the two ends of the bottom surface;
the incident light path enters the ridge semi-pentaprism through the ridge transmitting and receiving surface, then vertically penetrates the beam splitter prism after being reflected by the ridge internal reflecting surface and the ridge external reflecting surface in sequence, enters the equal-waist prisms, and then is output after being reflected by the equal-waist surface, the bottom surface and the equal-waist surface in sequence.
2. The system of claim 1, wherein the beam splitter prism has a square structure, and the two right-angle prisms are connected by the inclined surface of the prism.
3. The system according to claim 2, wherein the roof semi-pentaprism comprises a roof transmitting and receiving surface, a roof outer reflecting surface, a roof inner reflecting surface and a roof top surface, two ends of the roof transmitting and receiving surface intersect with one end of the roof outer reflecting surface and one end of the roof inner reflecting surface respectively, two ends of the roof top surface intersect with the other end of the roof outer reflecting surface and the other end of the roof inner reflecting surface respectively, an included angle between the roof outer reflecting surface and the roof transmitting and receiving surface is 112.5 degrees, an included angle between the roof transmitting and receiving surface and the roof inner reflecting surface is 45 degrees, and an included angle between the roof inner reflecting surface and the roof top surface is 90 degrees.
4. An erector system as in claim 1 or 3, wherein said isosceles prism includes two isosceles surfaces and a base surface, one end of said two isosceles surfaces intersects and the other end intersects with two ends of said base surface respectively, and the angle between said two isosceles surfaces is 45 degrees and the angle between said two isosceles surfaces and said base surface is 67.5 degrees.
5. A binocular laser range telescope is characterized by comprising an eyepiece group, an objective group and an erect image system which are respectively arranged in two lens cones, wherein the erect image system is positioned between the eyepiece group and the objective group; a laser emitter is arranged between the two lens cones, wherein a photoelectric detector and a liquid crystal display are arranged in one lens cone,
the optical path received by the objective lens group is output to one of the eyepiece lens groups through the erecting image system;
a laser light path received by the objective lens group enters the photoelectric detector after passing through the image erecting system;
the light path of the liquid crystal display passes through the erecting system and then is output to the other eyepiece set;
the erecting system comprises a roof half pentaprism, a beam splitter prism and an isosceles prism; the beam splitter prism is positioned between the roof half pentaprism and the isosceles prism and is formed by gluing two right-angle prisms, and a beam splitting film is arranged on the gluing surface of the two right-angle prisms;
the roof half pentaprism comprises a roof transceiving surface, a roof external reflecting surface, a roof internal reflecting surface and a roof top surface, wherein two ends of the roof transceiving surface are respectively intersected with one end of the roof external reflecting surface and one end of the roof internal reflecting surface, and two ends of the roof top surface are respectively intersected with the other end of the roof external reflecting surface and the other end of the roof internal reflecting surface; the isosceles prism comprises two isosceles surfaces and a bottom surface, one ends of the two isosceles surfaces are intersected, and the other ends of the two isosceles surfaces are respectively intersected with the two ends of the bottom surface;
the light path received by the objective lens group enters the roof semi-pentaprism through the roof transmitting and receiving surface, then vertically penetrates through the light splitting prism after being reflected by the roof internal reflecting surface and the roof external reflecting surface in sequence and enters the equal-waist prisms, and then vertically enters the eyepiece group after being reflected by the equal-waist surface, the bottom surface and the equal-waist surface in sequence.
6. The binocular laser range telescope of claim 5, wherein the photodetector and the liquid crystal display are respectively arranged on both sides of the erecting system.
7. The binocular laser range telescope of claim 6, wherein a display lens group is disposed between the liquid crystal display and the beam splitter prism; the light path of the liquid crystal display vertically enters the light splitting prism through the display lens group, is vertically incident into the equal-waist prisms after being reflected by the inclined plane of the right-angle prism, and is vertically incident into the other eyepiece group after being reflected by the equal-waist surface, the bottom surface and the equal-waist surface in sequence.
8. The binocular laser range telescope of claim 5, wherein the photodetector is disposed at a side of the erecting system, the liquid crystal display is disposed at the field stop of the barrel, and the plate glass is disposed at the field stop of the other barrel.
9. The binocular laser range finder telescope of claim 7 or 8, wherein a receiving lens is disposed between the photodetector and the beam splitter prism; the laser light path received by the objective lens group penetrates through the focusing objective lens, enters the roof half-pentaprism from the roof transmitting and receiving surface, then is reflected by the roof internal reflecting surface and the roof external reflecting surface in sequence and vertically enters the beam splitting prism, is reflected by the inclined surface of the right-angle prism and vertically enters the receiving lens, and then enters the photoelectric detector through the receiving lens.
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| CN201910350471.8A CN110058419B (en) | 2019-04-28 | 2019-04-28 | Erecting system and binocular laser ranging telescope |
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| CN201910350471.8A CN110058419B (en) | 2019-04-28 | 2019-04-28 | Erecting system and binocular laser ranging telescope |
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| CN110058419B true CN110058419B (en) | 2021-08-17 |
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|---|---|---|---|---|
| CN111190166A (en) * | 2020-01-09 | 2020-05-22 | 金华市蓝海光电技术有限公司 | Laser range finder with double-color switching display |
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