Wide-voltage single-data line non-polar communication interface circuit

A communication interface circuit and interface circuit technology, applied in the field of interface circuits, can solve problems such as troublesome inspection and calibration, and achieve the effects of low power consumption, simple circuit structure, and improved adaptability

Active Publication Date: 2013-01-23
EAST CHINA INST OF OPTOELECTRONICS INTEGRATEDDEVICE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these devices for monitoring gas content may be installed in places that are not easy to disassemble, such as in the boiler chimney, and it is troublesome to check and calibrate them

Method used

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  • Wide-voltage single-data line non-polar communication interface circuit
  • Wide-voltage single-data line non-polar communication interface circuit
  • Wide-voltage single-data line non-polar communication interface circuit

Examples

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Embodiment 1

[0017] Embodiment one: see attached figure 1 shown.

[0018] A wide-voltage single data line non-polarity communication interface circuit is used for connecting a data collector and a data processor. Among them, the data collector is a sensor, such as a sensor for detecting the content of a certain gas in a specific environment, which is usually installed in a position that is not easy to disassemble. The data processor is used to process the data collected by the data collector (that is, the sensor).

[0019] The wide-voltage single data line non-polarity communication interface circuit includes three parts: a data sending and processing circuit, a data receiving and processing circuit, and a non-polarity interface circuit.

[0020] The non-polarity interface circuit has an internal input terminal, an internal output terminal and two external terminals. One input end of the data transmission processing circuit is connected with the data collector, the other input end is th...

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PUM

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Abstract

The invention relates to a wide-voltage single-data line non-polar communication interface circuit, which is used for connecting a data acquisition unit with a data processor and comprises a data transmitting-processing circuit, a data receiving-processing circuit and a non-polar interface circuit, wherein the non-polar interface circuit is provided with an internal input terminal, an internal output terminal and two external terminals; an input terminal of the data transmitting-processing circuit is connected with the data acquisition unit, and an output terminal is connected with the internal input terminal of the non-polar interface circuit; an input terminal of the data receiving-processing circuit is connected with the internal output terminal of the non-polar interface, and an output terminal is connected with the data acquisition unit; and the two external terminals of the non-polar interface circuit are respectively connected with the data processor and a ground wire. According to the wide-voltage single-data line non-polar communication interface circuit, the single-data line non-polar serial communication can be implemented, the power consumption is low, the signal-voltage transmitting and receiving range is wide, the adaptability of the communication interface can be improved, and the circuit is simple in structure and convenient to integrate.

Description

technical field [0001] The invention relates to an interface circuit, in particular to a wide-voltage single data line non-polarity communication interface circuit. Background technique [0002] In some specific environments, it is necessary to monitor the content of a certain gas, and the equipment for monitoring the gas content must include a sensor for detecting the gas. Since gas sensors may be subject to various contaminations, resulting in parameter drift, it is necessary to check these sensors regularly and recalibrate their zero point and linearity. However, these devices for monitoring gas content may be installed in places that are not easy to disassemble, such as in boiler chimneys, and it is troublesome to check and calibrate them. Contents of the invention [0003] The object of the present invention is to provide a wide-voltage single data line non-polarity communication interface circuit which is convenient for checking and calibrating the equipment which i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/40
CPCY02B60/1228Y02B60/1235Y02D10/00
Inventor 卢灿孙帮东吴力涛郁兆华周曦
Owner EAST CHINA INST OF OPTOELECTRONICS INTEGRATEDDEVICE
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