CN216057014U

CN216057014U - Signal detection device for optical fiber transmission

Info

Publication number: CN216057014U
Application number: CN202122768476.8U
Authority: CN
Inventors: 金鑫; 张宝泉; 张义; 晏蔚华
Original assignee: Huatong Nanjing Information Technology Co ltd
Current assignee: Huatong Nanjing Information Technology Co ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-03-15
Anticipated expiration: 2031-11-12

Abstract

The utility model discloses a signal detection device for optical fiber transmission, relates to the technical field of optical fiber signal detection, and aims to solve the problems that the optical fiber signal detection device in the prior art is relatively large in size and structure, is inconvenient to use when being used outside, and cannot carry out long-period real-time detection on an optical fiber structure. The surface of transfer detection machine box is provided with the data display screen, and data display screen and transfer detection machine box electric connection, one side of transfer detection machine box is provided with the optical access end, and one side of optical access end is provided with optical fiber output end, optical access end and optical fiber output end and transfer detection machine box fixed connection, and optical access end and optical fiber output end all include fixed line interface and cable adapter, the inside of fixed line interface is provided with the grafting notch, and the cable adapter passes through grafting notch and fixed line interface connection.

Description

Signal detection device for optical fiber transmission

Technical Field

The utility model relates to the technical field of optical fiber signal detection, in particular to a signal detection device for optical fiber transmission.

Background

The optical fiber is a short-hand writing of optical fiber, is a fiber made of glass or plastic, can be used as a light conduction tool, and according to a comparison document (patent name: a plastic optical fiber signal detection device, with the publication number of CN205670078U), the optical fiber signal detection device has a relatively large volume structure, is very inconvenient for external use, and cannot perform long-period real-time detection on the optical fiber structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a signal detection device for optical fiber transmission, which solves the problems that the volume structure of the optical fiber signal detection device proposed in the background art is relatively large, the use is extremely inconvenient when the device is used outside, and the device cannot carry out long-period real-time detection on the optical fiber structure.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a be used for signal detection device for optical fiber transmission, includes the transfer and detects quick-witted box, the surface that the transfer detected quick-witted box is provided with the data display screen, and data display screen and transfer detect quick-witted box electric connection, one side that the transfer detected quick-witted box is provided with the optical fiber incoming end, and one side of optical fiber incoming end is provided with optical fiber output end, optical fiber incoming end and optical fiber output end detect quick-witted box fixed connection with the transfer, and optical fiber incoming end and optical fiber output end all include fixed line interface and cable adapter.

Preferably, the inside of fixed line interface is provided with the grafting notch, and the cable adapter passes through grafting notch and fixed line interface connection.

Preferably, the one end of cable adapter is provided with the grafting running-on, and the other end of cable adapter is provided with the rubber ring, the rubber ring passes through the draw-in groove with the cable adapter to be connected, and the rubber ring is connected with the laminating of grafting notch.

Preferably, a signal stabilizer is arranged inside the transit detection machine box, a photodiode is arranged on one side of the signal stabilizer, and an optical modulator is arranged on the other side of the signal stabilizer.

Preferably, the photodiode is disposed inside the optical fiber access end, and the optical modulator is disposed inside the optical fiber output end.

Preferably, the output end of the photodiode is connected with the input end of the signal stabilizer, the output end of the signal stabilizer is connected with the input end of the optical modulator, and the input end of the signal stabilizer is connected with the output end of the frequency detection module.

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

1. according to the utility model, the optical fiber is cut off, then the light rays at two ends are respectively connected and fixed with the cable adapter, finally the cable adapter is inserted into the fixed line interface, the optical fiber signal enters the case from the optical fiber access end to complete conversion detection, and then is output again from the optical fiber output end, so that the transmission signal data of the optical fiber can be obtained in real time, and the transfer detection case has small volume and is convenient to install and fix;

2. the optical signal of the utility model is firstly changed into the electrical signal by the photodiode inside, then the electrical signal is transmitted to the optical modulator without damage through the signal stabilizer, then the electrical signal is changed into the optical signal through the optical modulator and is transmitted along the optical fiber again, the optical signal can detect the wave frequency of the electrical signal in real time by means of the internal frequency detection module in the process of being converted into the electrical signal and transmitted through the signal stabilizer, and the detection operation is completed on the transmission signal intensity without influencing the transmission efficiency of the optical fiber.

Drawings

FIG. 1 is an overall front view of the present invention;

figure 2 is a schematic structural view of a cable adapter according to the present invention;

FIG. 3 is a schematic diagram of an internal structure of the transit detecting machine case according to the present invention;

fig. 4 is a signal detection flow chart according to the present invention.

In the figure: 1. a transfer detector box; 2. a data display screen; 3. an optical fiber access end; 4. an optical fiber output end; 5. a fixed line interface; 6. a cable adapter; 7. splicing and sleeving; 8. a rubber ring; 9. a socket notch; 10. a photodiode; 11. a signal stabilizer; 12. an optical modulator; 13. and a frequency detection module.

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.

Referring to fig. 1, an embodiment of the present invention: a signal detection device for optical fiber transmission comprises a transit detection machine box 1, wherein a data display screen 2 is arranged on the outer surface of the transit detection machine box 1, the data display screen 2 is electrically connected with the transit detection machine box 1, an optical fiber access end 3 is arranged on one side of the transit detection machine box 1, an optical fiber output end 4 is arranged on one side of the optical fiber access end 3, the optical fiber access end 3 and the optical fiber output end 4 are fixedly connected with the transit detection machine box 1, the optical fiber access end 3 and the optical fiber output end 4 respectively comprise a fixed wire interface 5 and a cable adapter 6, an inserting notch 9 is arranged inside the fixed wire interface 5, the cable adapter 6 is connected with the fixed wire interface 5 through the inserting notch 9, an inserting sleeve opening 7 is arranged at one end of the cable adapter 6, a rubber ring 8 is arranged at the other end of the cable adapter 6, and the rubber ring 8 is connected with the cable adapter 6 through a clamping groove, and rubber ring 8 is connected with the laminating of grafting notch 9, need cut optical fiber earlier during the use, be connected the light at both ends respectively with cable adapter 6 afterwards and fix, insert cable adapter 6 in fixed line interface 5 at last, optical signal enters into the machine box from optical access end 3 and accomplishes the conversion and detect the back, exports again from optical output end 4 again, like this alright real-time transmission signal data who obtains optical fiber.

Referring to fig. 2, a signal stabilizer 11 is disposed inside the transit detector box 1, a photodiode 10 is disposed on one side of the signal stabilizer 11, an optical modulator 12 is disposed on the other side of the signal stabilizer 11, the photodiode 10 is disposed on the inner side of the optical fiber access end 3, and the optical modulator 12 is disposed on the inner side of the optical fiber output end 4, during the detection process, an optical signal is first changed into an electrical signal by the photodiode 10 inside, and then the electrical signal is transmitted to the optical modulator 12 through the signal stabilizer 11 without loss, and then the electrical signal is changed into an optical signal through the optical modulator 12 and is transmitted along the optical fiber again.

Referring to fig. 3, an output end of the photodiode 10 is connected to an input end of the signal stabilizer 11, an output end of the signal stabilizer 11 is connected to an input end of the optical modulator 12, an input end of the signal stabilizer 11 is connected to an output end of the frequency detection module 13, and when an optical signal is converted into an electrical signal and transmitted through the signal stabilizer 11, the internal frequency detection module 13 can be used to detect the wave frequency of the electrical signal in real time, so that the detection operation of the transmission signal strength is completed without affecting the transmission efficiency of the optical fiber.

The working principle is as follows: when in use, the optical fiber is cut off, then the light rays at the two ends are respectively connected and fixed with the cable adapter 6, finally the cable adapter 6 is inserted into the fixed wire interface 5, the optical fiber signal enters the machine box from the optical fiber access end 3 to be converted and detected, and then is output again from the optical fiber output end 4, so that the transmission signal data of the optical fiber can be obtained in real time, during the detection, the optical signal is first converted into an electrical signal by the internal photodiode 10, and then the electrical signal is transmitted to the optical modulator 12 without loss through the signal stabilizer 11, during the conversion into the electrical signal and the transmission through the signal stabilizer 11, the wave frequency of the electrical signal can be detected in real time by means of the internal frequency detection module 13, the detection operation is completed on the intensity of the transmission signal of the optical fiber without influencing the transmission efficiency of the optical fiber, and then the electric signal is changed into an optical signal through the optical modulator 12 to be transmitted along the optical fiber again.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A signal detection device for optical fiber transmission comprises a transfer detection machine box (1), and is characterized in that: the surface of transfer detection machine box (1) is provided with data display screen (2), and data display screen (2) detect machine box (1) electric connection with the transfer, one side that transfer detection machine box (1) was provided with optical fiber access end (3), and one side of optical fiber access end (3) is provided with optical fiber output end (4), optical fiber access end (3) and optical fiber output end (4) detect machine box (1) fixed connection with the transfer, and optical fiber access end (3) and optical fiber output end (4) all include fixed line interface (5) and cable adapter (6).

2. The signal detection device for optical fiber transmission according to claim 1, wherein: the inside of fixed line interface (5) is provided with grafting notch (9), and cable adapter (6) are connected with fixed line interface (5) through grafting notch (9).

3. The signal detection device for optical fiber transmission according to claim 2, wherein: the one end of cable adapter (6) is provided with grafting cuff (7), and the other end of cable adapter (6) is provided with rubber ring (8), rubber ring (8) are connected through the draw-in groove with cable adapter (6), and rubber ring (8) are connected with grafting notch (9) laminating.

4. The signal detection device for optical fiber transmission according to claim 1, wherein: the transfer detection machine is characterized in that a signal stabilizer (11) is arranged in the transfer detection machine box (1), a photodiode (10) is arranged on one side of the signal stabilizer (11), and an optical modulator (12) is arranged on the other side of the signal stabilizer (11).

5. The signal detection device for optical fiber transmission according to claim 4, wherein: the photodiode (10) is arranged on the inner side of the optical fiber access end (3), and the optical modulator (12) is arranged on the inner side of the optical fiber output end (4).

6. The signal detection device for optical fiber transmission according to claim 4, wherein: the output end of the photodiode (10) is connected with the input end of the signal stabilizer (11), the output end of the signal stabilizer (11) is connected with the input end of the optical modulator (12), and the input end of the signal stabilizer (11) is connected with the output end of the frequency detection module (13).