Device for rapidly detecting open circuit of infrared receiving tube

A technology of infrared receiving tube and receiving tube, which is applied in the direction of measuring device, measuring electricity, measuring electrical variables, etc., to achieve the effect of rapid detection

Active Publication Date: 2016-12-14
WENLING YOUNIO WATER METER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The device solves the problem of how to quickly detect the open circuit of the infrared receiving tube on-line

Method used

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  • Device for rapidly detecting open circuit of infrared receiving tube
  • Device for rapidly detecting open circuit of infrared receiving tube
  • Device for rapidly detecting open circuit of infrared receiving tube

Examples

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Embodiment Construction

[0021] The following are specific embodiments of the present invention, and further describe the technical solution of the present invention in conjunction with the accompanying drawings, but the present invention is not limited to these embodiments.

[0022] like Figure 1-5 As shown, the device includes an infrared receiving tube P1, an infrared emitting tube 1, an infrared array one 3 and an infrared array two 4 arranged symmetrically on both sides of the coding disc 5, and the infrared receiving tube P1 and the infrared emitting tube 1 are arranged on the PCB board. same side. A joint capacitor C1 is connected between the collector c and the emitter e of the infrared receiving tube P1, and the infrared receiving tube P1 includes a column one receiving tube 23 arranged on the infrared array one 3 and a column two receiving tube arranged on the infrared array two 4 Tube 24, the infrared emission tube 1 includes a row one emission tube 13 arranged on the infrared array one 3...

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PUM

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Abstract

The invention provides a device for rapidly detecting an open circuit of an infrared receiving tube and belongs to the technical field of information processing of a measurement industry. The device comprises an infrared array I and an infrared array II, which are symmetrically arranged at two sides of a coding disc; the infrared receiving tube comprises first-row receiving tubes arranged on the infrared array I and second-row receiving tubes arranged on the infrared array II; an infrared transmitting tube comprises first-row transmitting tubes arranged on the infrared array I and second-row transmitting tubes arranged on the infrared array II; the first-row receiving tubes and the first-row transmitting tubes are mutually crossed and arrayed; the second-row receiving tubes and the second-row transmitting tubes are mutually crossed and arrayed; the first-row receiving tubes correspond to the second-row transmitting tubes in a one to one manner, and the first-row transmitting tubes correspond to the second-row receiving tubes in a one to one manner; the infrared transmitting tube is electrified and the infrared receiving tube is not electrified; the first-row transmitting tubes provide infrared light illumination to the adjacent first-row receiving tubes, and the second-row transmitting tubes provide the infrared light illumination to the adjacent second-row receiving tubes, so that rapid discharging of a junction capacitance is realized. By adopting the device provided by the invention, the aim of rapidly detecting the open circuit of the infrared receiving tube is realized.

Description

technical field [0001] The invention belongs to the technical field of information processing in the metering industry, and relates to a device for quickly detecting an open circuit of an infrared receiving tube. Background technique [0002] In the remote meter reading mode of smart water meters and smart gas meters, the mechanical character wheel readings are converted into electronic readings. In the conversion process of mechanical and electrical readings, infrared photoelectric direct-reading sensors are widely used. When copying electronic readings, infrared photoelectric pairs are required to work normally. Once an infrared photoelectric pair tube is open, the signal sampling system cannot judge the electronic readings. When there is no signal at the corresponding position of the infrared photoelectric pair tube, it is caused by an open circuit fault, or it is caused by the actual position of the sensor itself; if it is caused by an open circuit fault of the infrared ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/02
CPCG01R31/50
Inventor 张新忠
Owner WENLING YOUNIO WATER METER
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