CN210075243U

CN210075243U - Optical module control device

Info

Publication number: CN210075243U
Application number: CN201921047520.2U
Authority: CN
Inventors: 陈德文
Original assignee: Shenzhen Xundali Technology Development Co Ltd
Current assignee: Shenzhen Xundali Technology Development Co Ltd
Priority date: 2019-07-07
Filing date: 2019-07-07
Publication date: 2020-02-14
Anticipated expiration: 2029-07-07

Abstract

The utility model relates to an optical communication technical field just discloses an optical module controlling means includes optical module and control system, the optical module is including optoelectronic device, functional circuit and optical interface, optoelectronic device includes optical transmission module and light receiving module, optical transmission module is including drive chip, light power automatic control circuit and semiconductor laser, drive chip's output is connected with light power automatic control circuit's input electricity, light power automatic control circuit's output is connected with semiconductor laser's input electricity, light receiving module is including light detection diode and preamplifier, light detection diode's output is connected with preamplifier's input electricity. The optical module control device can realize the functions of keeping stable optical signal power and optical power control, modulation transmission and signal detection by arranging the optical power automatic control circuit and the microprocessor.

Description

Optical module control device

Technical Field

The utility model relates to an optical communication technical field specifically is an optical module controlling means.

Background

Optical fiber communication, also known as optical fiber communication, refers to a way of transmitting information using light and optical fiber. Belonging to one type of wired communication. The light is modulated to carry information. Since the 1980 s, fiber optic communication systems have revolutionized the telecommunications industry and have also played a very important role in the digital era. The optical fiber communication has the advantages of large transmission capacity, good confidentiality and the like. Fiber optic communication has now become the predominant form of wired communication today. The information to be transmitted is input to the transmitter at the transmitting end, the information is superposed or modulated on the carrier serving as an information signal carrier, then the modulated carrier is transmitted to the receiving end at a far distance through a transmission medium, and the original information is demodulated by the receiver. In optical fiber communication, optical signals and electrical signals need to be converted mutually to transmit data, so that an optical module for converting the optical signals into the electrical signals arises, the optical module has the function of photoelectric conversion, a transmitting end converts the electrical signals into optical signals, a receiving end converts the optical signals into the electrical signals after the optical signals are transmitted through optical fibers, and in the using process of the optical module, false light emission caused by unstable optical signal power often occurs, so that the optical module needs to be controlled by using a control device, and therefore, an optical module control device is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a to prior art not enough, the utility model provides an optical module controlling means possesses advantages such as stablize light signal power, light signal power control, modulation transmission and signal detection, has solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: an optical module control device comprises an optical module and a control system, wherein the optical module comprises an optoelectronic device, a functional circuit and an optical interface, the optoelectronic device comprises a light emitting module and a light receiving module, the light emitting module comprises a driving chip, an optical power automatic control circuit and a semiconductor laser, the output end of the driving chip is electrically connected with the input end of the optical power automatic control circuit, the output end of the optical power automatic control circuit is electrically connected with the input end of the semiconductor laser, the light receiving module comprises an optical detection diode and a preamplifier, the output end of the optical detection diode is electrically connected with the input end of the preamplifier, and the control system comprises a storage unit, a microprocessor and a power supply system.

Preferably, the optical interface includes an optical fiber interface and an RJ45 interface, and the optical fiber interface is used for connecting optical fiber pipes of an external network, and the RJ45 interface is used for connecting network cables of a user terminal.

Preferably, the driving chip is configured to process an electrical signal and drive a semiconductor laser, the optical power automatic control circuit is configured to keep power of an output optical signal stable, and the semiconductor laser is configured to output the optical signal.

Preferably, the photo detector diode is configured to process an optical signal with a certain code rate and convert the optical signal into an electrical signal, and the preamplifier is configured to convert the output electrical signal into an electrical signal with a corresponding code rate.

Preferably, the power supply system is used for supplying power to the optical module and the control system, and is electrically connected with the microprocessor, the storage unit, the functional circuit and the optoelectronic device.

Preferably, the microprocessor can read and write data in the storage unit, and the microprocessor and the functional circuit are electrically connected with each other for controlling the functional circuit so as to control the optical module.

(III) advantageous effects

Compared with the prior art, the utility model provides an optical module controlling means possesses following beneficial effect:

1. the optical module control device can control the power of an optical signal generated by driving a semiconductor laser by processing an electric signal input into an optical module through an RJ45 interface through a driving chip by arranging an optical power automatic control circuit, so that the power of the output optical signal is kept stable, and the problems of signal abnormality and data loss caused by mistaken light emission or optical signal attenuation due to instability of the optical power signal are solved.

2. The optical module control device exchanges data through the microprocessor and the storage unit in the control device to record or read abnormal data of photoelectric conversion, is convenient to maintain, and controls the optical module through the microprocessor control function circuit to realize functions of optical power control, modulation transmission and signal detection.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention;

fig. 2 is a functional schematic diagram of the preamplifier according to the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the optical module control device includes an optical module and a control system, the optical module includes an optoelectronic device, a functional circuit and an optical interface, the optical interface includes an optical fiber interface and an RJ45 interface, the optical fiber interface is used for connecting an optical fiber pipeline of an external network, the RJ45 interface is used for connecting a network cable of a user terminal, the optoelectronic device includes an optical transmitting module and an optical receiving module, the optical transmitting module includes a driving chip, an optical power automatic control circuit and a semiconductor laser, an output end of the driving chip is electrically connected with an input end of the optical power automatic control circuit, the driving chip is used for processing an electrical signal and driving the semiconductor laser, an output end of the optical power automatic control circuit is electrically connected with an input end of the semiconductor laser, the optical power automatic control circuit is used for stabilizing power of an output optical signal, by arranging the optical power automatic control circuit, the electric signal input into the optical module by the RJ45 interface can be processed by the driving chip to drive the power of the optical signal generated by the semiconductor laser to keep the power of the output optical signal stable, thereby solving the problems of signal abnormality and data loss caused by false light emission or optical signal attenuation due to the instability of the optical power signal, the optical receiving module comprises an optical detection diode and a preamplifier, the optical detection diode is used for processing the optical signal with a certain code rate and converting the optical signal into the electric signal, the preamplifier is used for converting the output electric signal into the electric signal with the corresponding code rate, the output end of the optical detection diode is electrically connected with the input end of the preamplifier, the control system comprises a storage unit, a microprocessor and a power supply system, and the power supply system is used for supplying power to the optical module and the control system, the power supply system is electrically connected with the microprocessor, the storage unit, the functional circuit and the photoelectronic device, the microprocessor can read and write data in the storage unit, the microprocessor and the functional circuit are electrically connected with each other and used for controlling the functional circuit so as to control the optical module, data are exchanged between the microprocessor and the storage unit in the control device so as to record or read abnormal data of photoelectric conversion, maintenance is convenient, and the function of optical power control, modulation transmission and signal detection can be realized by controlling the functional circuit through the microprocessor so as to control the optical module.

Principle of operation

When the optical module control device is used, an electrical signal is input into an optical module through an RJ45 interface on an optical interface, an optical transmission module in the optical module transmits the electrical signal to a driving chip, the driving chip processes the electrical signal and drives a semiconductor laser to generate an optical signal, meanwhile, an optical power automatic control circuit controls the power of the output optical signal, the optical signal with stable output power is output through an optical interface, the optical signal is input into the optical module through an optical fiber interface on the optical interface, an optical receiving module in the optical module transmits the optical signal to an optical detection diode, the optical detection diode converts the optical signal with a certain code rate into an electrical signal and transmits the electrical signal to a preamplifier, the preamplifier converts the input electrical signal into an electrical signal with a corresponding code rate and outputs the electrical signal through an optical interface, and a control system controls the optical module through a microprocessor by using a control end to manually intervene the control of optical power, manually modulate, transmit, detect the signal and the like And (4) performing functions.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An optical module control device comprises an optical module and a control system, and is characterized in that: the optical module is including light electron device, functional circuit and optical interface, the light electron device includes optical transmission module and light receiving module, optical transmission module is including driver chip, light power automatic control circuit and semiconductor laser, driver chip's output is connected with light power automatic control circuit's input electricity, light power automatic control circuit's output is connected with semiconductor laser's input electricity, light receiving module is including light detection diode and preamplifier, light detection diode's output is connected with preamplifier's input electricity, control system includes memory cell, microprocessor and electrical power generating system.

2. A light module control device as claimed in claim 1, characterized in that: the optical interface comprises an optical fiber interface and an RJ45 interface, the optical fiber interface is used for connecting an optical fiber pipeline of an external network, and the RJ45 interface is used for connecting a network cable of a user terminal.

3. A light module control device as claimed in claim 1, characterized in that: the driving chip is used for processing the electric signals and driving the semiconductor laser, the automatic optical power control circuit is used for keeping the power of the output optical signals stable, and the semiconductor laser is used for outputting the optical signals.

4. A light module control device as claimed in claim 1, characterized in that: the optical detection diode is used for processing an optical signal with a certain code rate and converting the optical signal into an electric signal, and the preamplifier is used for converting the output electric signal into an electric signal with a corresponding code rate.

5. A light module control device as claimed in claim 1, characterized in that: the power supply system is used for supplying power to the optical module and the control system, and is electrically connected with the microprocessor, the storage unit, the functional circuit and the optoelectronic device.

6. A light module control device as claimed in claim 1, characterized in that: the microprocessor can read and write data in the storage unit, and the microprocessor and the functional circuit are electrically connected with each other and used for controlling the functional circuit so as to control the optical module.