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Remote-control meter prepayment controller

A technology of a control device and a meter, applied in the field of control devices, can solve problems such as inconvenience of use and poor sealing, and achieve the effects of convenient use, prolonging service life and improving operation reliability.

Inactive Publication Date: 2008-06-04
山西中天科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The invention solves the problems of inconvenient use and poor sealing performance caused by the keyboard structure of the existing meter prepayment control device, and provides a remote control meter prepayment control device, and only provides the hardware structure of the control device as Purpose

Method used

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  • Remote-control meter prepayment controller
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Examples

Experimental program
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Effect test

Embodiment Construction

[0013] The remote control meter prepayment control device includes a single-chip microcomputer (EM78P447S is selected), the signal input end of the single-chip microcomputer is connected with a counting signal sampling circuit, and the signal output end of the single-chip microcomputer is connected with a display circuit, a storage circuit and the drive of the valve drive motor in the meter. circuit; also includes a controllable power supply circuit, the controllable power supply circuit includes triode Q5, Q6, the emitter of the triode Q5 is connected with the battery VCC, the collector is connected with the power supply line terminal VCC2 of the single-chip microcomputer and the display circuit, and the collector of the triode Q6 (via Resistor R18) is connected with the base of transistor Q5, and the base of transistor Q6 is connected with the control end of single-chip microcomputer; The base of transistor Q5 is connected with the collector of photosensitive transistor Q7; Th...

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PUM

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Abstract

The invention relates to a control device for meters such as water meter, gas meter, electricity meter, and heat meter, concretely a remote control device for a prepayment meter, comprising MCU and controlled power supply circuit as well as a remote controller emitting laser starting signal and infrared signal, where signal input end of the MCU is connected with counting signal sampling circuit, and signal output end of the MCU is connected with display circuit, storage circuit and drive circuit of a valve driving motor in the meter, the controlled power supply circuit is connected with a photosensitive triode, and the signal input end of the MCU is connected with infrared signal receiving chip. And it has a remote control function, able to be easy to realize password input and functional control wherever the meter is installed, convenient to use.

Description

technical field [0001] The invention relates to a control device for a meter such as a water meter, a gas meter, an electric meter, a heat meter, etc., in particular to a prepaid control device for a remote-controlled meter. Background technique [0002] The meter prepayment control device is fixed on the meter (such as water meter, gas meter, electric meter, heat meter, etc.) to realize the meter prepayment control. Existing meter prepayment control device comprises single-chip microcomputer, and the signal input end of single-chip microcomputer is connected with keyboard (the start key, function key and number key are arranged on the keyboard) and counting signal sampling circuit, counting signal sampling circuit uses dry reed switch as sensor The component collects the counting signal on the mechanical counter of the meter and sends it to the single-chip microcomputer after being processed by the sampling circuit; the signal output end of the single-chip microcomputer is ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G07F15/06G08C23/04
Inventor 王庆乐郭晋秦
Owner 山西中天科技有限公司
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