IC card intelligent gas meter

A gas meter, an intelligent technology, applied in instruments, coin-operated equipment for distributing discrete items, coin-free or similar appliances, etc., can solve problems such as low static power consumption, prevent system drops, and achieve obvious use effects , the effect of enhanced anti-interference

Inactive Publication Date: 2005-09-21
西安华丰投资发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the disadvantages in the background technology above, the present invention provides an IC card smart gas meter, which has low static power consumption, does not need to frequently replace

Method used

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Examples

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Embodiment Construction

[0028] see figure 1 , figure 2 , including single-chip microcomputer, the periphery of the single-chip microcomputer is connected with liquid crystal display and drive unit, EEPROM data storage unit, IC card read and write interface circuit unit, signal sampling and magnetic protection circuit unit, single-chip microcomputer power-down reset circuit unit, valve drive circuit unit, key display The circuit unit, the power failure detection circuit unit, the low voltage detection circuit unit of the power supply, the on-line programming circuit unit of the single chip microcomputer, and the boost circuit unit is connected with the periphery of the single chip microcomputer, and the boost circuit unit is connected with the low voltage detection circuit unit of the capacitor. The above-mentioned functional units are described as follows:

[0029] 1. Single-chip microcomputer (MPU)

[0030] The single-chip microcomputer is the core of the control system, and all signal reception,...

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PUM

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Abstract

This invention relates to an IC intelligent gas meter, which comprises the following parts: single machine separately connected with LCD unit and drive unit, EEPROM data memory unit, IC card, write interface circuit unit, signal sampling and magnetic protective circuit unit, single machine reset circuit unit, valve drive circuit unit, key display circuit unit, power leakage measurement circuit unit, power lower voltage measurement circuit unit, single machine on-line program circuit unit.

Description

1. Technical field: [0001] The invention relates to a metering gas meter, in particular to an IC card smart gas meter. 2. Background technology: [0002] IC card gas meter is a high-tech product combining traditional gas meter technology with today's electronic computer technology. Compared with traditional gas meter products, the main advantage lies in the realization of prepaid functions. It eliminates the loss of gas volume and the excessive lag of gas payment settlement caused by various abnormal factors during the delivery of traditional gas meter products to users. The technology is reliable in performance, safe and convenient to use. Cooperating with the networked gas sales management system, it realizes the automation of gas sales management and user data management, and becomes the direction of intelligent development of gas metering products. [0003] In the early days of IC card gas meter technology, due to the limitations of the controller hardware design in th...

Claims

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Application Information

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IPC IPC(8): G01F15/06G07F15/06
Inventor 聂健陈渝
Owner 西安华丰投资发展有限公司
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