CN220691192U

CN220691192U - Buchner prism laser range finding binoculars

Info

Publication number: CN220691192U
Application number: CN202322307030.4U
Authority: CN
Inventors: 方春丽; 杨可
Original assignee: Kunming Shunho Optics Co ltd
Current assignee: Kunming Shunho Optics Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-03-29
Anticipated expiration: 2033-08-28

Abstract

The utility model discloses a Bihan prism laser ranging binoculars, which comprises two lens barrels, wherein a telescopic objective lens group, a telescopic focusing lens and a telescopic eyepiece are arranged in each lens barrel, and the ranging functions of left and right barrels of the binoculars are respectively as follows: the right side is responsible for the emission and the telescope function of laser rangefinder, and the left side is responsible for laser receiving and telescope function, is equipped with the installation cavity between telescope focusing mirror and the telescope eyepiece, is equipped with laser emission subassembly in the right side installation cavity, is equipped with laser display subassembly in the left side installation cavity, is equipped with the control storehouse between two lens-barrels, can realize the binocular observation and the aiming to the object that surveys in the field of view, can also show the quilt in the field of view in real time when observing the object, and half pentaprism and beam split prism's combination has accomplished range finding and telescope's beam split, and the just like system that the utility model provided includes roof prism and cemented prism, through the optimization of light path, makes just like system's simple structure, occupation is small, moreover convenient to use.

Description

Buchner prism laser range finding binoculars

Technical Field

The utility model relates to the technical field of binoculars, in particular to a Buchner prism laser ranging binoculars.

Background

The DCF telescope is also called as Buchner prism type binoculars, is a breakthrough utility model of the twenty-century telescope industry, and because of adopting roof ridge and half-pentaprism group with complex shape, the size of optical elements and structural members in the whole optical system is greatly reduced, and compared with the traditional PCF telescope, the series of telescopes has the advantages of small volume, light weight, convenient carrying and convenient use, and meanwhile, the DCF telescope also inherits the excellent focal length adjusting structure of the traditional telescope for axial focusing and right eyepiece vision compensation.

The Chinese patent discloses an erecting system and a laser ranging binoculars, (publication No. CN 116500771A), the technology of the patent is a laser ranging telescope with relatively short total length under the condition of unchanged multiplying power, but most of the ranging telescopes on the current market are small single-tube external ranging telescopes, the ranging function is taken as the main part in the observation, the telescope observation effect is ignored, the telescope is also partially an external binoculars, the appearance of the telescope is quite large, the appearance is exquisite and small, and the internal structure is complex. Therefore, the utility model provides a Bihan prism laser ranging binoculars to solve the problems in the prior art.

Disclosure of Invention

The utility model aims to provide a Bihan prism laser ranging binoculars, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a do not chinese prism laser rangefinder binoculars, includes two lens cone, all is equipped with telescope objective group, telescope focusing mirror and telescope eyepiece in the lens cone, and wherein the range finding function that the left and right sides section of thick bamboo of binoculars was responsible for is respectively: the right side is responsible for the emission and the telescope function of laser ranging, the left side is responsible for the laser receiving and telescope function, an installation cavity is arranged between a telescope focusing lens and a telescope eyepiece, a laser emission component is arranged in the right installation cavity, a laser display component is arranged in the left installation cavity, and a control cabin is arranged between the two lens barrels;

the laser emission component consists of a half-pentaprism I, a beam-splitting small prism I, a laser lens I and a laser emission light source, wherein the laser lens I is opposite to the beam-splitting small prism I, as shown in a two-laser emission module diagram, the light source is diverged by the laser lens I, vertically enters the beam-splitting small prism I to be reflected once, vertically exits after entering the half-pentaprism I to be reflected once, forms parallel light after passing through a telescope focusing lens and a telescope objective lens group, and is projected onto an aimed object.

The laser display assembly consists of a laser receiving sensor, a laser lens II, a beam splitting prism II, a half pentaprism II and a ranging CCD display screen, wherein the laser lens II is opposite to the beam splitting prism II, laser is projected to the surface of an object and reflected, sequentially enters a telescopic objective lens group and a telescopic focusing lens, vertically enters the beam splitting prism II after being reflected by the half pentaprism II, vertically exits into the laser lens II after being reflected once, is converged to the laser receiving sensor, and the ranging information is displayed on the ranging CCD display screen after being calculated by a ranging calculation processing module.

Preferably, a PCB board for calculation processing and a battery for providing power supply are arranged in the control bin, and a distance measurement calculation processing module is arranged in the control bin.

Preferably, the first half pentaprism is glued with the first small beam splitting prism, the second half pentaprism is glued with the second small beam splitting prism, and a beam splitting film is plated at the glued surface.

Preferably, the light emitted by the laser emission light source is parallel to the reflected light of the first half pentaprism, and the directions of the light emitted by the laser emission light source and the reflected light of the first half pentaprism are opposite.

Preferably, the receiving light of the laser receiving sensor is parallel to the incident light of the second half pentaprism, and the directions of the receiving light of the laser receiving sensor and the incident light of the second half pentaprism are opposite.

Preferably, the distance measurement CCD display screen is opposite to the telescope.

Preferably, the ranging CCD display screen is made of high-light-transmittance materials, so that the transmittance of the laser display side is improved, and the difference of the transmittance observed by left eyes and right eyes is reduced.

Preferably, the lowest transmittance of the coating film of the light-splitting film: t is more than or equal to 98%, and the center wavelength is as follows: 905.+ -.10 nm, cut-off depth: t is less than or equal to 0.3 percent, and the cut-off wave band is as follows: 430-640nm.

Compared with the prior art, the utility model has the beneficial effects that:

1. the telescopic system is provided with two optical paths, namely a first optical path: a telescopic visual observation system, a second optical path: through the internal prism split image, the distance measurement transmitting and receiving passage is shifted, the distance measurement information is displayed in the telescope view field through the CCD screen, binocular observation and aiming of the measured object can be realized in the view field, and the measured object can be displayed in the view field in real time when the object is observed.

2. The combination of the half pentaprism and the beam-splitting prism completes the ranging and the beam-splitting of the telescope.

3. The positive image system provided by the utility model comprises the roof prism and the gluing prism, and the structure of the positive image system is simple, the occupied volume is small and the use is convenient through the optimization of the light path.

Drawings

Fig. 1 is a schematic top view of a binoculars with a prism for laser ranging.

Fig. 2 is a schematic diagram of a laser emitting module of a binoculars for range finding by using a prism laser.

Fig. 3 is a schematic diagram of a laser receiving display module of a biehan prism laser ranging binoculars.

Fig. 4 is a schematic structural diagram of a beam splitting film in a biehan prism laser ranging binoculars.

In the figure: 1. a telescopic objective lens group; 2. a telescope focusing lens; 3. a laser emitting assembly; 31. a laser emission light source; 32. a first laser lens; 33. a first light-splitting small prism; 34. a half pentaprism I; 4. a telescope; 5. a control bin; 6. a laser display assembly; 61. a laser receiving sensor; 62. a second laser lens; 63. a beam-splitting small prism II; 64. a half pentaprism II; 65. a ranging CCD display screen; 7. and a light-splitting film.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in the embodiment of the present utility model, a binoculars for measuring distance by using a beam splitter prism includes two lens barrels, in which a telescope objective lens 1, a telescope focusing lens 2 and a telescope eyepiece 4 are disposed, wherein the left and right barrels of the binoculars are respectively responsible for measuring distance: the right side is responsible for the emission and the telescope function of laser ranging, the left side is responsible for the laser receiving and telescope function, an installation cavity is arranged between a telescope focusing lens 2 and a telescope eyepiece 4, a laser emission component 3 is arranged in the right installation cavity, a laser display component 6 is arranged in the left installation cavity, a control cabin 5 is arranged between the two lens barrels, a PCB board for calculation processing and a battery for providing power supply are arranged in the control cabin 5, and a ranging calculation processing module is arranged in the control cabin 5;

the laser emission component 3 is composed of a half-pentaprism one 34, a beam splitting prism one 33, a laser lens one 32 and a laser emission light source 31, the laser lens one 32 is opposite to the beam splitting prism one 33, the half-pentaprism one 34 and the beam splitting prism one 33 are glued together, a beam splitting film 7 is plated at the glued surface, the emission light of the laser emission light source 31 is parallel to the reflection light of the half-pentaprism one 34, and the direction is opposite, as in the laser emission module diagram of fig. 2, the light source is diverged by the laser lens one 32, vertically enters the beam splitting prism one 33 to be reflected once, vertically exits after entering the half-pentaprism one 34 to be reflected once, forms parallel light after passing through the telescope focusing lens 2 and the telescope objective lens group 1, and is projected onto an object to be aimed.

The laser display assembly 6 is composed of a laser receiving sensor 61, a laser lens II 62, a beam-splitting prism II 63, a half-pentaprism II 64 and a ranging CCD display screen 65, wherein the laser lens II 62 is opposite to the beam-splitting prism II 63, the half-pentaprism II 64 and the beam-splitting prism II 63 are glued together, a beam-splitting film 7 is plated at the glued surface, the received light of the laser receiving sensor 61 is parallel to the incident light of the half-pentaprism II 64, the directions are opposite, and the ranging CCD display screen 65 is opposite to the telescope 4; after being projected onto the surface of an object and reflected, laser enters the telescopic objective lens group 1 and the telescopic focusing lens 2 in sequence, vertically enters the semi-pentaprism II 64 and then enters the beam-splitting prism II 63, vertically exits after being reflected once and enters the laser lens II 62, and then is converged to the laser receiving sensor 61, and the ranging information is displayed on the ranging CCD display screen 65 after being calculated by the ranging calculation processing module.

The ranging CCD display screen 65 is made of high-transmittance materials, so that the transmittance of the laser display side is improved, and the difference of the transmittance observed by left eyes and right eyes is reduced. The lowest transmittance of the coating film of the spectroscopic film 7: t is more than or equal to 98%, and the center wavelength is as follows: 905.+ -.10 nm, cut-off depth: t is less than or equal to 0.3 percent, and the cut-off wave band is as follows: 430-640nm.

The laser emitting, receiving and displaying are all connected to the calculation processing PCB board, and the power supply is provided by the ultra-long endurance battery.

The working principle of the utility model is as follows: the light source is diverged by the first laser lens 32, vertically enters the first light splitting prism 33 for primary reflection, vertically exits after entering the first half-pentaprism 34 for primary reflection, forms parallel light after passing through the telescope focusing lens 2 and the telescope objective lens group 1, and projects the parallel light onto an object to be aimed.

After being projected onto the surface of an object and reflected, laser enters the telescopic objective lens group 1 and the telescopic focusing lens 2 in sequence, vertically enters the semi-pentaprism II 64 and then enters the beam-splitting prism II 63, vertically exits after being reflected once and enters the laser lens II 62, and then is converged to the laser receiving sensor 61, and the ranging information is displayed on the ranging CCD display screen 65 after being calculated by the ranging calculation processing module.

The positive image system provided by the utility model comprises the roof prism and the gluing prism, and the structure of the positive image system is simple, the occupied volume is small and the use is convenient through the optimization of the light path.

The laser ranging binoculars provided by the utility model have the advantages that the laser transmitting tube is arranged on the right telescope, the photoelectric detector and the display screen are arranged on the sitting telescope, binocular observation and aiming of a measured object can be realized in a visual field, and the measured object can be displayed in real time in the visual field when the measured object is observed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a do-it-youhan prism laser rangefinder binoculars, includes two lens cone, all is equipped with telescope objective group (1), telescope focusing mirror (2) and telescope eyepiece (4) in the lens cone, is equipped with the installation cavity between telescope focusing mirror (2) and telescope eyepiece (4), its characterized in that, right side installation intracavity is equipped with laser emission subassembly (3), and left side installation intracavity is equipped with laser display subassembly (6), is equipped with control storehouse (5) between two lens cone;

the laser emission component (3) consists of a half-pentaprism I (34), a beam-splitting prism I (33), a laser lens I (32) and a laser emission light source (31), wherein the laser lens I (32) faces the beam-splitting prism I (33);

the laser display assembly (6) is composed of a laser receiving sensor (61), a second laser lens (62), a second light-splitting prism (63), a second half-pentaprism (64) and a ranging CCD display screen (65), wherein the second laser lens (62) faces the second light-splitting prism (63).

2. The biehan prism laser ranging binocular telescope according to claim 1, wherein the control cabin (5) is internally provided with a PCB board for calculation processing and a battery for providing power supply, and the control cabin (5) is internally provided with a ranging calculation processing module.

3. A biehan prism laser ranging binocular according to claim 1, characterized in that the half-pentaprism one (34) is glued with the beam-splitting small prism one (33), the half-pentaprism two (64) is glued with the beam-splitting small prism two (63), and the beam-splitting film (7) is plated at the glued face.

4. A biehan prism laser ranging binocular according to claim 1, characterized in that the emission of the laser source (31) is parallel to the reflection of the half pentaprism one (34) and is opposite.

5. The biehan prism laser ranging binocular according to claim 1, characterized in that the received light of the laser receiving sensor (61) is parallel to the incident light of the half pentaprism two (64), in opposite directions.

6. A biehan prism laser ranging binocular according to claim 1, characterized in that the ranging CCD display (65) is facing the telescope (4).

7. The biehan prism laser ranging binocular according to claim 1, wherein the ranging CCD display screen (65) is made of a high light transmission material.

8. A biehan prism laser ranging binocular according to claim 3, characterized in that the film coating of the light-splitting film (7) has a minimum transmittance: t is more than or equal to 98%, and the center wavelength is as follows: 905.+ -.10 nm, cut-off depth: t is less than or equal to 0.3 percent, and the cut-off wave band is as follows: 430-640nm.