CN210444277U

CN210444277U - Large-field-angle information receiving device

Info

Publication number: CN210444277U
Application number: CN201921925124.5U
Authority: CN
Inventors: 赵馨; 宋延嵩; 董岩
Original assignee: Jilin Henghui Photoelectric Technology Co Ltd
Current assignee: Jilin Henghui Photoelectric Technology Co Ltd
Priority date: 2019-11-10
Filing date: 2019-11-10
Publication date: 2020-05-01
Anticipated expiration: 2029-11-10

Abstract

The utility model discloses a big angle of vision information receiver comprises first optical system 1, second optical system 2, first detector 3, second detector 4, first signal processing 5, second signal processing 6, synchronous processor 7, information output 8. The optical structure increases the field of view of the receiving system in a field-of-view splicing mode; the electronic processing realizes signal receiving through a grading receiving method, ensures the miniaturization and light weight design of the system, effectively solves the contradiction between the size of the detector and the receiving rate, and improves the performance of the information receiving system.

Description

Large-field-angle information receiving device

Technical Field

The utility model relates to a big angle of vision information receiver belongs to information processing technology field.

Background

In general, a relatively complicated optical structure is required to realize a large receiving angle of view, which is disadvantageous for a system compact design. In addition, in terms of miniaturization design of the receiving system, the system structure is generally small in size, resulting in that the optical focal length cannot be too large. The large-view-field and small-focus system needs to use a large-size receiving detector to ensure that all signal light can be received by the detector. Due to the influence of the detector node capacitance, the large-size detector limits the improvement of the communication speed. Considering from the aspect of the miniaturized design of system, the utility model discloses a big angle of vision information receiver, the device uses two receiving optical system, has increased the receiving angle of vision through the field of vision concatenation mode, realizes through receiving method in grades on the electronics processing that signal reception has improved receiving system's SNR, has effectively solved the contradiction between detector size and the communication rate simultaneously. The overall performance of the receiving system is improved.

SUMMERY OF THE UTILITY MODEL

From realizing the miniaturized design of information receiving system, improve complete machine performance angle, the utility model provides a big angle of vision information receiving device.

The utility model adopts the following technical scheme:

a large-field-angle information receiving device comprises a first optical system 1, a second optical system 2, a first detector 3, a second detector 4, a first signal processing 5, a second signal processing 6, a synchronous processor 7 and an information output 8.

The first optical system 1 and the second optical system 2 are spatially arranged at an angle apart; the optical signal received by the first optical system 1 is sent to the first detector 3; the optical signal received by the second optical system 2 is sent to a second detector 4; the first detector 3 is connected with the first signal processing 5 through a cable; the second detector 4 is connected with the second signal processor 6 through a cable; the synchronous processor 7 is connected with the first signal processing 5, the second signal processing 6 and the information output 8 through cables.

The specific implementation steps are as follows:

(1) and starting up and powering up to enable all parts of the system to be in a working state.

(2) The first detector 3 receives the optical signal transmitted by the first optical system 1 and sends the optical signal to the first signal processing 5; the second detector 4 receives the optical signal transmitted from the second optical system 2 and sends the optical signal to the second signal processor 6.

(3) The synchronous processor 7 completes the synchronization and fusion of the two paths of signals.

(4) The synchronization processor 7 feeds the synchronized and fused signal into the information output 8.

The beneficial effects of the utility model

The optical structure increases the receiving field angle in a field splicing mode, realizes signal receiving through a grading receiving method in electronic processing, improves the signal-to-noise ratio of a receiving system, and effectively solves the contradiction between the size of the detector and the communication rate. The system is miniaturized and light in weight, and the performance of the whole machine is improved.

Drawings

Fig. 1 is a schematic diagram of the system assembly and structure of the utility model.

Detailed Description

The invention is further described with reference to the following figures and examples:

the optical system selects two sets of optical lenses with respective 20-degree field angles, and the receiving field angle of the whole machine is 35 degrees through field splicing; the detector is a silicon-based material detector; and signal shaping, amplifying and filtering functions are completed by signal processing.

Example 1

As shown in fig. 1. The device comprises a first optical system 1, a second optical system 2, a first detector 3, a second detector 4, a first signal processor 5, a second signal processor 6, a synchronous processor 7 and an information output 8.

The implementation steps are as follows:

(2) The first detector 3 receives the optical signal transmitted by the first optical system 1, is sleeved and transmits the optical signal to the first signal processing 5; the second detector 4 receives the optical signal transmitted from the second optical system 2 and sends the optical signal to the second signal processor 6.

The steps realize the receiving of the optical signal in a large visual field, improve the signal-to-noise ratio of the receiving system and the bandwidth of the receiving system, and improve the performance of the whole machine.

It should be emphasized that the embodiments described herein are illustrative and not restrictive, and thus the present invention includes but is not limited to the embodiments described in the detailed description, as well as other embodiments derived from the technical solutions of the present invention by those skilled in the art, which also belong to the scope of the present invention.

Claims

1. A large-field-angle information receiving device is characterized by comprising a first optical system (1), a second optical system (2), a first detector (3), a second detector (4), a first signal processing unit (5), a second signal processing unit (6), a synchronous processor (7) and an information output unit (8), wherein the first optical system (1) and the second optical system (2) are arranged at a certain angle in space; the optical signal received by the first optical system (1) is sent to the first detector (3), and the optical signal received by the second optical system (2) is sent to the second detector (4); the first detector (3) is connected with the first signal processing (5) through a cable; the second detector (4) is connected with the second signal processor (6) through a cable; the synchronous processor (7) is respectively connected with the first signal processor (5), the second signal processor (6) and the information output (8) through cables.