MBUS host sending circuit, bus system and signal sending method

A technology of sending circuit and host, applied in the field of data communication, can solve the problem of slow communication rate, bit error rate, etc., and achieve the effect of speeding up processing and transmission, improving communication rate, and improving sending and receiving rate.

Pending Publication Date: 2021-06-01
WASION GROUP HLDG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The main purpose of the present invention is to provide a MBUS host sending circuit, MBUS bus system and signal sending method, aiming to solve the problem of slow communication rate and bit error rate in the communication process

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  • MBUS host sending circuit, bus system and signal sending method
  • MBUS host sending circuit, bus system and signal sending method

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Embodiment Construction

[0028] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0030] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positi...

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Abstract

An MBUS host transmitting circuit is disclosed in the invention, and comprises an optocoupler isolation module, a change-over switch, a voltage conversion circuit and a boost chip circuit; the input end of the optocoupler isolation module is connected with a host, and the output end of the optocoupler isolation module is connected with the control end of the change-over switch; the output end of the change-over switch is connected with the control input end of the voltage conversion circuit, the feedback output end of the voltage conversion circuit is connected with the output voltage control end of the boost chip circuit, and the input end of the boost chip circuit is connected with a first power supply; and the output end of the boost chip circuit is the signal output end of the MBUS host sending circuit. The invention further discloses a signal sending method and an MBUS bus system. According to the invention, the change rate of the rising edge and the falling edge of the communication waveform is improved, so that the communication rate is improved, and the communication error rate is effectively reduced.

Description

technical field [0001] The invention relates to the field of data communication, in particular to an MBUS host sending circuit, an MBUS bus system and a signal sending method. Background technique [0002] MBUS is a master-slave half-duplex transmission bus, which has the characteristics of strong anti-interference ability, long transmission distance, simple construction, flexible power supply, etc. It is widely used in various meters (such as electricity meters, water meters, gas meters, heat meters, Table) is being transcribed. [0003] The MBUS bus system consists of a master device, several slave devices and a pair of connecting cables. All slave devices are connected to the bus in parallel, and the master device controls all serial communication processes on the bus. Usually, the master device is an intelligent controller, and the slave devices are various metering instruments. The master device communicates with the slave devices to obtain the measurement data of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/156G08C19/00H04L12/40
CPCH02M3/156G08C19/00H04L12/40H04L12/40019
Inventor 李军张宇王宝
Owner WASION GROUP HLDG
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