Method and device for automatically controlling sensor terminal based on optical fibre communication system
A technology of optical fiber communication system and terminal controller, which is applied in the transmission system, electromagnetic wave transmission system, ultrasonic/sonic wave/infrasonic wave transmission system, etc. It can solve the problems of inconvenient adjustment, insufficient sensitivity, energy waste, etc., and improve the sensitivity performance , save energy, reduce the effect of error rate
Inactive Publication Date: 2017-02-01
广西小草信息产业有限责任公司
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Problems solved by technology
[0003] The purpose of the present invention is to provide a method and device for automatic control of sensor terminals based on an optical fiber communication system, which can solve the current problems of inconvenient adjustment, poor efficiency, insufficient sensitivity, and energy waste
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Embodiment
[0045] Embodiment: Based on the superior characteristics of the optical fiber communication system, the automatic control of the sensor terminal is carried out. First, the terminal controller presets the device to send out ultrasonic waves according to the attenuation value of the optical fiber in each time period, and then the terminal controller receives the ultrasonic waves and enters them. The echo reflected by the reflection point, and then correspondingly adjust the gain of the optical amplifier or attenuator of the relay node in the corresponding stage, and compare the attenuation value of the optical fiber in each stage of the terminal controller preset device with the preset value in the corresponding stage The set attenuation value is compared and analyzed to determine whether the attenuation value of the light changes; if it changes, adjust the gain of the optical amplifier or attenuator of the relay node in the corresponding stage of the terminal controller preset de...
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The invention discloses a method and device for automatically controlling a sensor terminal based on an optical fibre communication system. The method comprises the following steps of: S1, sending ultrasonic wave by a terminal controller pre-set device according to an attenuation value of an optical fibre within various time periods; S2, receiving back wave reflected by the ultrasonic wave in the step S1 through a reflection point, and adjusting the gain of an optical amplifier or attenuator of a relay node in a corresponding stage; S3, determining the distance between the reflection point and the terminal controller pre-set device according to the back wave, and controlling the terminal controller pre-set device; and S4, when a human body leaves, controlling a terminal controller to enter a turnoff or standby state. The device comprises a terminal pre-set control module, an adjusting control module and a processing module. By means of the method and the device disclosed by the invention, the control sensitivity is high; the control efficiency is good; energy can be saved, etc.
Description
technical field [0001] The invention relates to the field of terminal control of an optical fiber communication system, in particular to a method and device for automatic control of a sensor terminal based on an optical fiber communication system. Background technique [0002] In the current optical communication system, the power of the optical amplifier and the attenuation of the optical attenuator of each optical relay node are fixed after the system is built and will not be adjusted at any time. Only when the light attenuation changes cause the performance of the optical receiver to fission, will the power of some amplifiers be adjusted manually. At present, lamp tubes and TVs are usually equipped with an automatic shutdown function. When the time set by the user is reached, the TV can enter the shutdown or standby state by itself, thereby preventing the waste of electric energy. The automatic adjustment of the optical fiber can better serve Light tubes, TVs save electr...
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IPC IPC(8): H04B10/293H04B11/00
CPCH04B10/2931H04B11/00Y02D30/70
Inventor 温九江袁松平
Owner 广西小草信息产业有限责任公司