CN220381374U - Binocular beam split optical eyepiece system - Google Patents

Abstract

The utility model relates to the technical field of individual micro-optic telescope systems, in particular to a binocular light-splitting optical eyepiece system of a handheld micro-optic observation mirror, which comprises the following components: an objective lens, an image intensifier, a beam splitter group, a first eyepiece, a relay lens group, a steering prism and a second eyepiece; the light emitted by the target is incident on the cathode surface of the image intensifier through the objective lens, amplified and displayed on the fluorescent screen of the image intensifier, the light emitted by the fluorescent screen is divided into two paths after passing through the spectroscope group, the first path of light path is emitted and then is incident on the first ocular lens, and an image is projected; the second path light path is emitted and then enters the relay lens group, the image emitted by the relay lens group is changed into an inverted image and then enters the steering prism, the inverted image is emitted after being steered again by the steering prism, and then enters the second ocular lens, and the image is projected. The utility model changes the weight of the binocular light splitting system for the existing low-light observation mirror, has large volume, is unfavorable for carrying, reduces the weight of the handheld low-light observation mirror, reduces the volume and improves the carrying performance.

Description

Binocular beam split optical eyepiece system

Technical Field

The utility model relates to the technical field of individual micro-optic telescope systems, in particular to a binocular light-splitting optical eyepiece system of a handheld micro-optic observation mirror.

Background

The single-soldier hand-held low-light observation mirror is used for assisting the single-soldier in observing and searching targets at night, and plays an important role in various military tasks such as protecting naval vessel navigation safety, performing anti-terrorism and protecting navigation, performing maritime combat, training and exercise and the like after the hand-held low-light observation mirror is distributed to naval forces. At present, most of domestic and foreign handheld low-light observation adopts a monocular or binocular optical structure. The monocular structure has the advantages of small volume, light weight, and low fatigue and comfort after long-time observation. The advantage of the hand-held low-light observation mirror is not fully utilized, and the due observation effect of the hand-held low-light observation mirror is not achieved.

The light splitting system of the existing hand-held low-light observation mirror comprises an objective lens 1, an image intensifier 2, a steering mirror 3, a spectroscope group 4, a first ocular 5 and a second ocular 6 as shown in figure 1; the prism or the reflecting mirror is adopted for light splitting after the steering mirror is adopted, and the problem caused by light splitting after the relay mirror is that the volume is large, and the weight is heavy, so that the single soldier is not facilitated to carry.

Disclosure of Invention

The utility model aims to provide a binocular light-splitting optical eyepiece system of a handheld low-light-level observation mirror, which solves the problems that the binocular light-splitting optical eyepiece system is large in size, heavy in weight, inconvenient to carry and the like.

In order to solve the above technical problems, the present utility model provides a binocular split optical eyepiece system, including: an objective lens, an image intensifier, a beam splitter group, a first eyepiece, a relay lens group, a steering prism and a second eyepiece; the light emitted by the target is incident on the cathode surface of the image intensifier through the objective lens, is amplified and displayed on the fluorescent screen of the image intensifier through the image intensifier, and after passing through the spectroscope group, the light path of the light emitted by the fluorescent screen is divided into two paths, and the first path of light path is incident on the first ocular after being emitted, so that an image is projected; the second path light path is emitted and then enters the relay lens group, the image emitted by the relay lens group is changed into an inverted image and then enters the steering prism, the inverted image is emitted after being steered again by the steering prism, and then enters the second ocular lens, and the image is projected.

Preferably, the objective lens, the image intensifier, the spectroscope set and the first eyepiece are sequentially arranged and coincide with a main optical axis.

Preferably, the relay lens group is disposed at 90 ° to the main optical axis.

Preferably, the turning prism is placed parallel to the main optical axis.

Preferably, the second eyepiece is placed parallel to the main optical axis.

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

the utility model provides a binocular light splitting system for a handheld low-light observation mirror, which changes the heavy weight of the existing binocular light splitting system for the low-light observation mirror, has large volume and is not beneficial to carrying, reduces the weight of the handheld low-light observation mirror, reduces the volume and improves the carrying performance.

Drawings

Fig. 1 is a block diagram of a spectroscopic system of a hand-held micro-optic viewer according to the prior art.

Fig. 2 is a diagram of a binocular light splitting optical eyepiece system of a handheld low-light observation mirror.

In fig. 1: 1-objective lens, 2-image intensifier, 3-steering lens, 4-spectroscope group, 5-first ocular lens and 6-second ocular lens.

In fig. 2: 100-objective lens, 200-image intensifier, 300-spectroscope group, 400-first eyepiece, 500-relay lens group, 600-turning prism and 700-second eyepiece.

Detailed Description

The utility model is described in further detail below with reference to the drawings and the specific examples. The advantages and features of the present utility model will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

As shown in fig. 2, an embodiment of the present utility model specifically provides a binocular split optical eyepiece system, including: objective lens 100, image intensifier 200, beam splitter group 300, first eyepiece 400, relay lens group 500, turning prism 600, and second eyepiece 700; the objective lens 100, the image intensifier 200, the beam splitter group 300 and the first eyepiece 400 are sequentially arranged and coincide with the main optical axis, the relay lens group 500 is placed at 90 ° to the main optical axis, the turning prism 600 is placed parallel to the main optical axis, and the second eyepiece 700 is placed parallel to the main optical axis.

With continued reference to fig. 2, the light emitted from the target is incident on the cathode surface of the image intensifier 200 through the objective lens 100, amplified and displayed on the fluorescent screen thereof through image intensification, and after passing through the beam splitter group 300, the light path of the light emitted from the fluorescent screen is divided into two paths, and the first path of light path is emitted and then is incident on the first eyepiece 400, so as to project an image; the second path of light is emitted and then enters the relay lens group 500, the image emitted by the relay lens group 500 is turned into an inverted image, then enters the turning prism 600, is turned again by the turning prism 600 and then exits, and then enters the second eyepiece 700, and the image is projected.

The above description is only illustrative of the preferred embodiments of the present utility model and is not intended to limit the scope of the present utility model, and any alterations and modifications made by those skilled in the art based on the above disclosure shall fall within the scope of the appended claims.

Claims (5)

1. A binocular split optical eyepiece system comprising: an objective lens (100), an image intensifier (200), a beam splitter group (300), a first eyepiece (400), a relay lens group (500), a turning prism (600), and a second eyepiece (700); light emitted by a target is incident on a cathode surface of the image intensifier (200) through the objective lens (100), is amplified and displayed on a fluorescent screen of the image intensifier, and after passing through the spectroscope group (300), a light path of the light emitted by the fluorescent screen is divided into two paths, and the first path of light path is emitted and then is incident on the first ocular lens (400) to project an image; the second path light path is emitted and then enters the relay lens group (500), the image emitted by the relay lens group (500) is turned into an inverted image and then enters the steering prism (600), the image is emitted after being turned again by the steering prism (600), and then enters the second ocular lens (700) to project the image.

2. A binocular split optical eyepiece system as in claim 1 wherein the objective lens (100), the image intensifier (200), the beam splitter group (300) and the first eyepiece (400) are sequentially arranged and coincident with a primary optical axis.

3. A binocular split optical eyepiece system as claimed in claim 1 wherein the relay lens group (500) is positioned 90 ° from the main optical axis.

4. A binocular spectroscopic optical eyepiece system as claimed in claim 1 wherein the turning prism (600) is disposed parallel to the primary optical axis.

5. A binocular spectroscopic optical eyepiece system as claimed in claim 1 wherein the second eyepiece (700) is disposed parallel to the primary optical axis.