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Design of one-chip machine shared chip interface and peripheral circuit for embedded type electric water heater

An electric water heater and peripheral circuit technology, which is applied in the design field of the peripheral structure of the single chip shared chip, can solve the problems of high manufacturing cost, long manufacturing cycle, single function, etc., and achieve the effect of reducing the production cost.

Inactive Publication Date: 2007-04-18
谭启仁
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The control chip of the prior art electric water heater before the present invention adopts a one-to-one control mode, has a single function, does not have an anti-electric wall device, and has high manufacturing costs. The control software needs secondary development, and the production cycle is long.
At the same time, the single-mode control chip causes a waste of resources for the single-chip microcomputer chip

Method used

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  • Design of one-chip machine shared chip interface and peripheral circuit for embedded type electric water heater

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Embodiment Construction

[0008] As shown in Figure 1, the key points of the present invention include tact switch, infrared remote control transmitting and receiving circuit, electric heating tube circuit, temperature sensor circuit, display circuit, anti-electric wall circuit and other peripheral circuits and single-chip shared chip I / O input and output A collection of port connections, flag bits, and embedded software. I / O input terminals of MCU I / O(1), I / O(2), I / O(3), I / O(4), I / O(5), I / O(6), I / O(7), I / O(8) are respectively connected to one end of light touch switches (including membrane switches) K1, K2, K3, K4, K5, K6, K7, K8, and the other end is connected to the positive pole of the power supply through a resistor. connection, and its common terminal is grounded. Tact switches (including membrane switches) K1, K2, K3, K4, K5, K6, K7, K8 respectively correspond to the power button, temperature setting button, up button, down button, reset button, clock setting button, and working time setting b...

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Abstract

The invention relates to flush type electric water heater SCM share chip interface and periphery circuit. Its features are that it has the aggregate of zone bit and flush type software; using to distinguish and select input output type of the periphery circuit that infrared remote control receiving circuit, display circuit etc by identifying the different combination of zone bit grounding and hanging, flush type software and zone bit; controlling the working of the electric water heater with different functions. The invention is good for various electric water heaters SCM control chip flush type software making and standardization, serialization production, reducing control chip production cost.

Description

technical field [0001] The invention relates to the design of a peripheral structure of a shared chip of a single-chip microcomputer, in particular to the design of an interface and a peripheral circuit of a shared chip of a single-chip microcomputer of an embedded electric water heater, and belongs to the application of the single-chip microcomputer technology in the field of electric water heater control. Background technique [0002] The control chip of the electric water heater in the prior art prior to the present invention adopts a one-to-one control mode, has a single function, does not have an anti-electric wall device, and has high manufacturing costs. The control software needs secondary development and the production cycle is long. Simultaneously, the single-mode control chip causes waste of resources of the single-chip microcomputer chip. Contents of the invention [0003] The purpose of the present invention is to provide a single-chip microcomputer of an embe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/05F24H1/00
Inventor 谭启仁
Owner 谭启仁
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