Optical cable connection quality rapid detection device
A technology for optical cable splicing and detection devices, which is applied in the direction of measuring devices, optical instrument testing, and optical performance testing. It can solve the problems of complex detection circuits and high costs, and achieve the effects of high detection accuracy, low cost, and simple circuit connections.
Active Publication Date: 2021-12-28
通号工程局集团电气工程有限公司
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Problems solved by technology
[0003] However, after the optical cable is spliced, it is necessary to detect the quality of the optical cable splicing. The detection circuit of the existing rapid detection device for optical cable splicing quality is relatively complicated and the cost is high. Therefore, we propose a rapid detection device for optical cable splicing quality to solve the above mentioned problem
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[0022] This embodiment proposes a fast detection device for optical cable splicing quality, including phototransistor V1, the emitter of phototransistor V1 is respectively connected with resistor R1 and pin 2 of operational amplifier A1, and pin 3 of operational amplifier A1 is respectively connected with resistor The other end of R1 and both ends of the resistor R2, and the other end of the resistor R2 is connected to a diode D1, the cathode of the diode D1 is respectively connected to the pin 2 of the operational amplifier A2, the source S of the field effect transistor Q1, and the capacitor C2, and The pin 3 of the operational amplifier A2 is connected to the other end of the capacitor C2 and the drain D of the field effect transistor Q1, the pin 3 of the operational amplifier A2 is connected to a resistor R5, and the other end of the resistor R5 is connected to the lead of the operational amplifier A4 Pin 2, pin 1 of the operational amplifier A4 is connected to a diode D4, ...
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The invention discloses a fast detection device for optical cable splicing quality, comprising a photosensitive transistor V1, the emitter of the photosensitive transistor V1 is respectively connected to a resistor R1 and pin 2 of an operational amplifier A1, and pin 3 of the operational amplifier A1 is respectively The other end of the resistor R1 is connected to both ends of the resistor R2, and the other end of the resistor R2 is connected to a diode D1, and the cathode of the diode D1 is respectively connected to the pin 2 of the operational amplifier A2 and the source S of the field effect transistor Q1 , capacitor C2, and the pin 3 of the operational amplifier A2 is connected to the other end of the capacitor C2 and the drain D of the field effect transistor Q1, the pin 3 of the operational amplifier A2 is connected to a resistor R5, and the other end of the resistor R5 Connected to pin 2 of operational amplifier A4. The circuit of the invention is simple in connection, low in cost, economical and practical, can judge the quality of optical cable connection by detecting the change of light intensity and pulse width, and the detection accuracy of the detection circuit is high.
Description
technical field [0001] The invention relates to the technical field of optical cables, in particular to a device for quickly detecting the splicing quality of optical cables. Background technique [0002] Optical cables are manufactured to meet optical, mechanical or environmental performance specifications. It is a communication cable assembly that uses one or more optical fibers placed in a sheath as a transmission medium and can be used individually or in groups. The optical cable is mainly composed of optical fiber, plastic protective sleeve and plastic sheath, and there is no metal such as gold, silver, copper and aluminum in the optical cable. An optical cable is a communication line in which a certain number of optical fibers form a cable core in a certain way, and is covered with a sheath, and some are also covered with an outer sheath to realize optical signal transmission. [0003] However, after the optical cable is spliced, it is necessary to detect the quality ...
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IPC IPC(8): G01M11/00
CPCG01M11/02
Inventor 许国瑞
Owner 通号工程局集团电气工程有限公司