CN210802228U - Novel transmission type sighting telescope - Google Patents

Novel transmission type sighting telescope Download PDF

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Publication number
CN210802228U
CN210802228U CN201920906058.0U CN201920906058U CN210802228U CN 210802228 U CN210802228 U CN 210802228U CN 201920906058 U CN201920906058 U CN 201920906058U CN 210802228 U CN210802228 U CN 210802228U
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CN
China
Prior art keywords
lens
combining prism
objective
objective lens
white light
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Expired - Fee Related
Application number
CN201920906058.0U
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Chinese (zh)
Inventor
江炎
金鹏鹏
陈平
江张明
张燕
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Nantong Huateng Optical Instruments Co ltd
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Nantong Huateng Optical Instruments Co ltd
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Priority to CN201920906058.0U priority Critical patent/CN210802228U/en
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Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a novel transmission type sighting telescope, which comprises a telescope objective lens, a differentiating lens, a front positive lens, a negative lens, a rear positive lens and an eyepiece in sequence; the telescopic objective lens comprises a white light objective lens and an infrared objective lens, wherein the infrared objective lens is arranged right above the white light objective lens, the infrared objective lens and the infrared image converter are on the same horizontal plane, and the infrared image converter is electrically connected with the display screen and the memory; the first beam-combining prism and the second beam-combining prism are arranged between the white light objective lens and the differentiating lens; the first beam combining prism is arranged on the side close to the white light objective lens, and the second beam combining prism is arranged on the side close to the differentiating lens; the projection objective is arranged right above the first beam combining prism; and the receiving objective lens is arranged right above the second beam combining prism and is electrically connected with the avalanche photodiode. The utility model discloses can need not frequently to change the light and aim at the camera lens, very big simplification the process of optical axis calibration, have small, light in weight, easy and simple to handle's advantage.

Description

Novel transmission type sighting telescope
Technical Field
The utility model relates to a novel transmission-type gun sight.
Background
Domestic optical sighting telescope still is single function's day sighting telescope or shimmer sighting telescope more so far, single function's day sighting telescope or shimmer sighting telescope can only use under daytime or night single state, when round the clock in turn, can only change the sighting telescope, this just need be equipped with two sighting telescopes, it needs certain time to change the sighting telescope, do not possess real-time response's ability, and when changing the sighting telescope, the error that resets can appear, influence the precision of aiming, bring very big inconvenience for the use. There is a need for ever increasing users of sighting scopes having both low-light night vision or infrared night vision viewing systems and daytime viewing systems. In addition, when improving the convenience of use, how to guarantee as far as small, light in weight, easy and simple to handle, be the utility model discloses the problem that needs to solve.
Disclosure of Invention
Utility model purpose: the utility model aims at solving the not enough among the prior art, provide a novel transmission-type gun sight, can observe through an eyepiece, need not frequently to change the light and aim at the camera lens, simultaneously, laser receiving system and eyepiece sharing white light objective among the laser rangefinder, very big simplification the process of optical axis calibration, it is easy and simple to handle.
The technical scheme is as follows: the utility model relates to a novel transmission type sighting telescope, which comprises a telescope objective, a differentiating mirror, a front positive lens, a negative lens, a rear positive lens and an eyepiece in sequence; the telescopic objective lens comprises a white light objective lens and an infrared objective lens, wherein the infrared objective lens is arranged right above the white light objective lens, the infrared objective lens and the infrared image converter are on the same horizontal plane, and the infrared image converter is electrically connected with the display screen and the memory;
the first beam-combining prism and the second beam-combining prism are arranged between the white light objective lens and the differentiating lens; the first beam combining prism is arranged on the side close to the white light objective lens, and the second beam combining prism is arranged on the side close to the differentiating lens;
the projection objective is arranged right above the first beam combining prism and right below the display screen;
and the receiving objective lens is arranged right above the second beam combining prism and is electrically connected with the avalanche photodiode.
The utility model discloses a further improvement lies in, and first beam combining prism, second beam combining prism are the equal veneer prism, and the surface veneer of first beam combining prism, second beam combining prism has the beam splitting membrane. The beam combining prism is used for transmitting the light projected by the white light objective lens in the horizontal direction, and the light projected by the projection objective lens forms parallel light after being reflected.
The further improvement of the utility model lies in that the light splitting film is a 45-degree incident light splitting film with the reflection of 1.54 mu m and the transmission of 0.45-0.50 mu m.
The utility model discloses a further improvement lies in, avalanche photodiode for carry out laser rangefinder through receiving objective, second beam combining prism.
The utility model discloses a further improvement lies in, and the display screen is the OLED display screen.
The utility model discloses a further improvement lies in, white light objective comprises the positive focal power lens of two single objective and the negative focal power lens of two plys.
The utility model discloses a further improvement lies in, white light objective, first beam combining prism, second beam combining prism, differentiating mirror, preceding positive lens, negative lens, back positive lens, eyepiece are on same horizontal plane.
Compared with the prior art, the utility model provides a pair of novel transmission-type gun sight has realized following beneficial effect at least:
the utility model discloses to be used for the infrared objective at night, be used for the white light mirror on daytime, first beam combining prism of sharing and eyepiece need not frequent change of sighting telescope round the clock, convenient to use, flexibility, the reliability is high. Through having laser receiving system in the laser rangefinder and eyepiece sharing white light objective, integrated laser rangefinder passageway has further realized holistic small-size lightweight when having improved holistic performance. Meanwhile, the pictures recorded by the infrared objective lens are stored in the memory, so that the overall reliability is improved.
Of course, it is not necessary for any product of the present invention to achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
Fig. 1 is a schematic structural view of the present invention;
1-a white light objective lens; 2-an infrared objective lens; 301-a first beam combining prism; 302-a second beam combining prism; 4-a projection objective; 5-a receiving objective lens; 6-differentiation mirror; 7-ocular lens; 8-infrared image converter tube; 9-a display screen; 10-front positive lens; 11-a negative lens; 12-rear positive lens.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
A novel transmission type sighting telescope comprises a telescope objective, a differentiating mirror 6, a front positive lens 10, a negative lens 11, a rear positive lens 12 and an ocular lens 7 in sequence; the telescope objective comprises a white light objective 1 and an infrared objective 2, wherein the infrared objective 2 is arranged right above the white light objective 1, the infrared objective 2 and an infrared image converter 8 are on the same horizontal plane, and the infrared image converter 8 is electrically connected with a display screen 9 and a memory; the negative lens 11 can move between the front positive lens 10 and the rear positive lens 12, and can move by two steps including a wide field of view and a narrow field of view. The axial position of the zooming group is changed by moving the negative lens 11, so that the focal length of the whole system is changed, and the position of an image plane is ensured to be unchanged during zooming; a first beam-combining prism 301 and a second beam-combining prism 302, which are arranged between the white light objective lens 1 and the differentiating lens 6; the first beam combining prism 301 is arranged at the side close to the white light objective lens 1, and the second beam combining prism 302 is arranged at the side close to the differentiating lens 6; the projection objective 4 is arranged right above the first beam combining prism 301 and right below the display screen 9; and the receiving objective lens 5 is arranged right above the second beam combining prism 302, and the receiving objective lens 5 is electrically connected with the avalanche photodiode. The receiving objective lens 5 and the avalanche photodiode are used for laser receiving.
Based on the embodiment, the laser receiving system and the ocular lens 7 in the laser ranging share the white light objective lens 1, and the laser ranging channel is integrated, so that the overall small size and light weight are realized. After the night light path system passes through the infrared objective lens 2 and the display screen 9, the night light path system is projected on the first beam combining prism 301 and is stored in the memory, the white light objective lens 1 directly and horizontally penetrates into the ocular lens 7 through the first beam combining prism 301, and the white light objective lens 1 and the infrared objective lens 2 share the ocular lens 7, so that frequent replacement of the sighting telescope in day and night is not needed, the night light path system is convenient and flexible to use, and the reliability is high.
To explain this embodiment, the first beam combining prism 301 and the second beam combining prism 302 are homojunction prisms, and the surfaces of the first beam combining prism 301 and the second beam combining prism 302 are bonded with beam splitting films. The beam combining prism 301 is used for transmitting the light projected by the white light objective lens 1 in the horizontal direction, and the light projected by the projection objective lens 4 is reflected to form parallel light.
In the prism spectrum, since light beams having different wavelengths are refracted to different degrees and dispersed, in the present embodiment, the light splitting films are bonded to the surfaces of the first beam combining prism 301 and the second beam combining prism 302, thereby reducing the occurrence of the dispersion state.
To explain the present embodiment, it should be noted that the light splitting film is a 45 ° incident light splitting film that reflects 1.54 μm and transmits 0.45 μm to 0.50 μm, and can simultaneously meet the requirements of transmittance in different directions, and can transmit all the light in the horizontal direction and reflect all the light projected vertically from the display screen 9.
To further explain this embodiment, it should be noted that the avalanche photodiode is used for laser ranging through the receiving objective lens 5 and the second beam combining prism 302.
In this embodiment, a receiving channel for laser ranging is integrated below the second beam combining prism 302, so that a common optical path between the eyepiece 7 and the laser receiving is realized, the size is small, and the overall size and weight are reduced.
To further explain the implementation, it should be noted that the display screen 9 is an OLED display screen, and the OLED display screen has a fast reaction speed, a wide temperature range, and a long service life.
To further explain this implementation, it should be noted that the white objective 1 is composed of a double single objective positive power lens and a double cemented negative power lens.
In this embodiment, the positive focal power lens of the double single objective lens is used to generate a real image for a target, and the double cemented negative focal power lens is used to increase the focal length, so that the total length is smaller than the focal length, and the volume is greatly reduced.
To explain this implementation further, it should be noted that the white light objective 1, the first beam combining prism 301, the second beam combining prism 302, the differentiating mirror 6, the front positive lens 10, the negative lens 11, the rear positive lens 12, and the eyepiece 7 are on the same horizontal plane, so that the optical reference is conveniently and directly observed, the collimation axes are all on the same straight line, and the eyepiece 7 is used as a positive reference, so that the process of calibrating the axis is greatly simplified, and the operation is simple and the use is convenient.
According to the above embodiment, the utility model provides a pair of novel transmission-type gun sight has realized following beneficial effect at least:
the utility model discloses to be used for infrared objective 2 at night, be used for white light mirror 1 on daytime, the first beam combining prism 301 of sharing and eyepiece 7 need not frequent change of sighting telescope round the clock, convenient to use, flexibility, the reliability is high. Through having laser receiving system in the laser rangefinder and eyepiece 7 sharing white light objective 1, integrated laser rangefinder passageway has when having improved holistic performance, further realized holistic small-size lightweight. Meanwhile, the pictures recorded by the infrared objective lens 2 are stored in the memory, so that the overall reliability is improved.
Although certain specific embodiments of the present invention have been described in detail by way of example, it should be understood by those skilled in the art that the foregoing examples are for purposes of illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.

Claims (7)

1. A novel transmission type sighting telescope is characterized in that: the device comprises a telescope objective, a differentiating mirror (6), a front positive lens (10), a negative lens (11), a rear positive lens (12) and an ocular (7) in sequence; the telescope objective comprises a white light objective (1) and an infrared objective (2), wherein the infrared objective (2) is arranged right above the white light objective (1), the infrared objective (2) and an infrared image converter tube (8) are on the same horizontal plane, and the infrared image converter tube (8) is electrically connected with a display screen (9) and a memory;
the first beam-combining prism (301) and the second beam-combining prism (302) are arranged between the white light objective lens (1) and the differentiating mirror (6); the first beam-combining prism (301) is arranged at the side close to the white light objective lens (1), and the second beam-combining prism (302) is arranged at the side close to the differentiating lens (6);
the projection objective (4) is arranged right above the first beam combining prism (301) and right below the display screen (9);
and the receiving objective lens (5) is arranged right above the second beam combining prism (302), and the receiving objective lens (5) is electrically connected with the avalanche photodiode.
2. A novel transmissive sight as claimed in claim 1, wherein: the first beam combining prism (301) and the second beam combining prism (302) are homoleptic prisms, and beam splitting films are glued on the surfaces of the first beam combining prism (301) and the second beam combining prism (302).
3. A novel transmissive sight as claimed in claim 2, wherein: the light splitting film is a 45-degree incident light splitting film which reflects 1.54 mu m and transmits 0.45-0.50 mu m.
4. A novel transmissive sight as claimed in claim 1, wherein: the avalanche photodiode is used for carrying out laser ranging through a receiving objective lens (5) and a second beam combining prism (302).
5. A novel transmissive sight as claimed in claim 1, wherein: the display screen (9) is an OLED display screen.
6. A novel transmissive sight as claimed in claim 1, wherein: the white light objective lens (1) consists of a positive focal power lens of a double single objective lens and a double-cemented negative focal power lens.
7. A novel transmissive sight as claimed in claim 1, wherein: the white light objective lens (1), the first beam combining prism (301), the second beam combining prism (302), the differentiating lens (6), the front positive lens (10), the negative lens (11), the rear positive lens (12) and the ocular lens (7) are on the same horizontal plane.
CN201920906058.0U 2019-06-14 2019-06-14 Novel transmission type sighting telescope Expired - Fee Related CN210802228U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920906058.0U CN210802228U (en) 2019-06-14 2019-06-14 Novel transmission type sighting telescope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920906058.0U CN210802228U (en) 2019-06-14 2019-06-14 Novel transmission type sighting telescope

Publications (1)

Publication Number Publication Date
CN210802228U true CN210802228U (en) 2020-06-19

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Application Number Title Priority Date Filing Date
CN201920906058.0U Expired - Fee Related CN210802228U (en) 2019-06-14 2019-06-14 Novel transmission type sighting telescope

Country Status (1)

Country Link
CN (1) CN210802228U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113267090A (en) * 2021-05-29 2021-08-17 北京波谱华光科技有限公司 Aiming system based on white light aiming and infrared aiming common ocular

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113267090A (en) * 2021-05-29 2021-08-17 北京波谱华光科技有限公司 Aiming system based on white light aiming and infrared aiming common ocular

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200619

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