Rapid detection device for optical cable jointing quality
A technology of optical cable splicing and detection device, applied in the direction of measurement device, optical instrument testing, testing optical performance, etc., can solve the problems of high cost and complex detection circuit, and achieve the effect of low cost, high detection accuracy and simple circuit connection
Active Publication Date: 2019-12-27
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 rapid detection device for the optical cable jointing quality. The device comprise s a phototransistor V1, the emitting electrode of the photosensitive transistor V1 is connected with a resistor R1 and the pin 2 of the operational amplifier A1 respectively, the pin 3 of the operational amplifier A1 is respectively connected with the other end of the resistor R1 and two ends of a resistor R2, the remaining end of the resistor R2 is connected with a diode D1, the negative electrode of the diode D1 is connected with the pin 2 of an operational amplifier A2, the source electrode S of a field effect transistor Q1 and a capacitor C2 respectively, the pin 3 of the operational amplifier A2 is connected with the other end of the capacitor C2 and the drain electrode D of the field effect transistor Q1, the pin 3 of the operational amplifier A2 is connected with a resistor R5, and the other end of the resistor R5 is connected with the pin 2 of an operational amplifier A4. The device has the advantages of simple circuit connection, low cost, economical and practical property, judgment of the optical cable jointing quality by detecting the change of light intensity andthe change of pulse width, and the detection precision of the detection circuit.
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