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Simplex communication circuit

A simplex communication and circuit technology, applied in the direction of electrical components, transmission systems, etc., can solve the problems of increasing production costs, achieve the effect of ensuring product quality and reducing production costs

Active Publication Date: 2010-11-03
QINGDAO HAIER INTELLIGENT ELECTRONICS +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] When realizing the technical solution of the present invention, the inventor found that the wired simplex communication provided by the prior art needs to connect not only the power line and the ground wire between the two communication boards, but also a communication line. Where the wiring harness is long, such as in small appliances with thin margins, it increases production costs

Method used

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Examples

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Embodiment 1

[0032] An embodiment of the present invention provides a simplex communication circuit, such as figure 1 As shown, it includes: a communication receiving unit 1 and a voltage dividing and stabilizing unit 2 on the communication receiving board, and a communication sending unit 3 on the communication sending board, and the voltage dividing and stabilizing unit 2 communicates with the communication sending unit through a power line 4 1 phase connection, wherein, the voltage dividing and stabilizing unit 2 stabilizes the power supply voltage into a regulated power supply, and outputs the regulated power supply to the communication sending unit 3 through the power line 4, and the communication sending The unit 3 sends control data to the voltage dividing and stabilizing unit 2 through the power line 4 , and the communication receiving unit 1 obtains the control data from the voltage dividing and stabilizing unit 2 .

[0033] In the technical solution of this embodiment, the voltag...

Embodiment 2

[0035] On the basis of Example 1, as figure 2 As shown, further, the voltage dividing and stabilizing unit includes: a voltage regulator IC1 and a voltage dividing resistor R0, one end of the voltage dividing resistor R0 is connected to the power supply voltage Vcc, and the other end is connected to the input terminal of the voltage regulator IC1 Vin, the communication receiving unit is connected in parallel to both ends of the voltage dividing resistor R0; the input terminal of the voltage regulator IC1 is connected to the voltage dividing resistor R0, its output terminal Vout outputs a regulated power supply, and its common terminal GND grounded.

[0036] The communication sending unit includes: a load resistor R21 and a first transistor P1, wherein,

[0037] One end of the load resistor R21 is connected to the collector of the first triode P1, and the other end is grounded; the base of the first triode P1 is connected to the control data receiving terminal Tx, and its emi...

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PUM

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Abstract

The embodiment of the invention discloses a simplex communication circuit and relates to the filed of small appliance production. In the invention, a communication receiving plate can receive control data transmitted by a communication transmitting plate through a power wire, thereby reducing the production cost. The simplex communication circuit comprises a communication receiving unit and a voltage division and stabilization unit which are arranged on the communication receiving plate, as well as a communication transmitting unit on the communication transmitting plate; the voltage division and stabilization unit is connected with the communication transmitting unit through the power wire, wherein the voltage division and stabilization unit stabilizes the voltage of a power supply into a voltage-stabilized power supply and outputs the voltage-stabilized power supply to the communication transmitting unit through the power wire, the communication transmitting unit transmits the control data to the voltage division and stabilization unit through the power wire, and the communication receiving unit acquires the control data from the voltage division and stabilization unit. The simplex communication circuit can be applied to the production of dust collectors and other small appliances.

Description

technical field [0001] The invention relates to the field of preparation of small household appliances, in particular to a simplex communication circuit. Background technique [0002] In the field of small household appliance manufacturing, due to the small structure and low profit of small household appliances, the mechanical and electronic control structures are required to be simple and low in cost. [0003] At present, the small household appliances provided by the prior art all adopt wired simplex communication, that is, a signal line is connected between the communication sending board and the communication receiving board. The signal line between the communication sending board and the communication receiving board transmits instructions, so that the lower computer of the communication receiving board receives the instructions, and sends the instructions to the single-chip port for processing. [0004] When realizing the technical solution of the present invention, t...

Claims

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Application Information

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IPC IPC(8): H04B1/40
Inventor 张科伍张宏权文桂芹宋伟
Owner QINGDAO HAIER INTELLIGENT ELECTRONICS
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