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Signal transmission method and device, signal reception method and device

A technology for signal transmission and signal reception, which is applied to devices dedicated to transmitters, devices dedicated to receivers, and transmission mode adjustments. It can solve the problems of limited application range and low transmission rate of isolated transmission units, and achieve broadened Application range, the effect of reducing the transmission rate requirement

Active Publication Date: 2021-08-24
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a signal sending method and device, and a signal receiving method and device to solve the problem in the prior art that the transmission rate of the isolated transmission unit is low, resulting in limited application range

Method used

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  • Signal transmission method and device, signal reception method and device
  • Signal transmission method and device, signal reception method and device
  • Signal transmission method and device, signal reception method and device

Examples

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Embodiment 1

[0070] This embodiment provides a signal sending method, which is applied to a signal sending end of a signal transmission system, figure 1 It is a flowchart of a signal sending method according to an embodiment of the present invention, such as figure 1 As shown, the method includes:

[0071] S101. Decompose an initial signal output by a signal source to generate at least two decomposed signals.

[0072] Among them, the speed of the initial signal is relatively high. After receiving the initial signal from the signal source, the signal sending end decomposes the relatively high speed initial signal into relatively high speed signals by controlling the turn-on time sequence and time interval of the isolated transmission unit. Lower at least two decomposition signals.

[0073] S102. Transmit at least two decomposed signals through at least two isolated transmission units, where the isolated transmission units correspond to the decomposed signals one by one.

[0074] In this ...

Embodiment 2

[0077] This embodiment provides another signal transmission method. In order to realize the decomposition of the initial signal, the above step S101 specifically includes: determining the half-wave width of the decomposed signal according to the half-wave width of the initial signal and the number of decomposed signals; Determine the waveform of each decomposed signal according to the waveform of each decomposed signal; determine the transmission time difference of two adjacent decomposed signals according to the half-wave width of the initial signal; The difference in transit time outputs the at least two decomposed signals.

[0078] Specifically, according to the half-wave width of the initial signal and the number of decomposed signals, the formula used to determine the half-wave width of the decomposed signal is: T d = NT, where T d is the half-wave width of the decomposed signal, N is the number of decomposed signals, and T is the half-wave width of the initial signal. ...

Embodiment 3

[0087] This embodiment provides a signal receiving method, which is applied to a signal receiving end of a signal transmission system, Figure 4 It is a flowchart of a signal receiving method according to an embodiment of the present invention, such as Figure 4 As shown, the method includes:

[0088] S401. Receive at least two decomposed signals transmitted by a signal sending end through at least two isolated transmission units, where the isolated transmission units correspond to the decomposed signals one by one.

[0089] Since each isolated transmission unit is responsible for transmitting a decomposed signal, during the transmission process, different isolated transmission units are successively turned on to transmit different decomposed signals, so the signal receiving end will sequentially receive the decomposed signals transmitted by different isolated transmission units .

[0090] S402. Generate a composite signal based on at least two decomposed signals; wherein th...

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Abstract

The invention discloses a signal sending method and device, and a signal receiving method and device. Wherein, the signal sending method includes: decomposing the initial signal output by the signal source to generate at least two decomposed signals; transmitting the at least two decomposed signals through at least two isolated transmission units, wherein the isolated transmission unit and the There is a one-to-one correspondence between the decomposition signals. Through the present invention, the transmission rate of the signal can be reduced by decomposing the signal, thereby reducing the requirement on the transmission rate of the isolated transmission unit and widening the application range of the isolated transmission unit.

Description

technical field [0001] The present invention relates to the technical field of electronic circuits, in particular, to a signal sending method and device, and a signal receiving method and device. Background technique [0002] When an isolated transmission unit (such as an optocoupler isolator) is used to transmit digital signals, the transmission rate of the isolated transmission unit becomes a decisive factor affecting the maximum transmission rate of the system. Due to the limitation of the characteristics of the isolated transmission unit, the upper limit of its signal communication rate is low, that is to say, its maximum transmission rate is low, which limits the application range of the isolated transmission unit. For example, when the transmission rate is required to be high, no Suitable for use with isolated transfer units. [0003] Aiming at the problem of limited application range due to the low transmission rate of the isolated transmission unit in the prior art,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/00
CPCH04L1/0006H04L1/0033H04L1/0036
Inventor 张争陈丽媚杨梅叶铁英张亚国
Owner GREE ELECTRIC APPLIANCES INC
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