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A low power consumption processing method of Hall switch of gas meter

A technology of Hall switch and processing method, which is applied in the direction of electrical program control, program control in sequence/logic controller, instruments, etc., can solve the problem of power consumption increase, and achieve the effect of avoiding power consumption loss

Active Publication Date: 2020-11-13
ZHEJIANG WEIXING INTELLIGENT METER STOCK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the invention is to solve the problem of increased power consumption caused by user misoperation, and propose a low power consumption processing method for the Hall switch of the gas meter

Method used

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  • A low power consumption processing method of Hall switch of gas meter
  • A low power consumption processing method of Hall switch of gas meter
  • A low power consumption processing method of Hall switch of gas meter

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Experimental program
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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0014] The Hall switch module on the gas meter is similar to the function of a button. The principle is that when a magnet approaches the Hall switch, the signal output pin of the Hall switch module switches from high level to low level (or the button is pressed) . When the magnet is not in contact with the Hall switch, the signal output pin of the Hall switch module is continuously at a high level (button is not pressed). The chip judges whether a button is pressed according to the signal output pin of the Hall switch module (see figure 1 ,2)

[0015] When the Hall switch is used normally, the contact time of the magnet is limited (within 10 seconds), and the magnet will not be placed on the Hall switch for a long time. But once a user puts the magnet on the Hall switch and forgets to remove it, it will generate 2mA power consumption, and long-term ...

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Abstract

The invention discloses a low-power processing method for a Hall switch of a gas meter. The method comprises the following steps: detecting a signal output pin of the Hall switch, if the pin is a lowlevel (with magnet contact), then turning off a Hall switch power supply for T time continuously, and stopping supplying power to a Hall switch module; and detecting a state output pin of the Hall switch every interval t subsequently until the pin is a high level (without magnet contact), turning on the Hall switch power supply, and enabling the Hall switch to be restored to work normally. Therefore, electric quantity consumption is avoided. According to the low-power processing method for the Hall switch of the gas meter provided by the invention, the problem that power consumption is increased due to the misoperation of a user is solved, and power consumption loss is avoided.

Description

technical field [0001] The invention relates to a Hall switch of a gas meter, and specifically proposes a low power consumption processing method for the Hall switch of a gas meter. Background technique [0002] In general, the life of the gas meter is the life of the battery. During the operation of the gas meter, in addition to the inevitable power consumption of metering, storage, communication, etc., it is necessary to avoid unnecessary extra power consumption. The low power consumption design not only needs to consider the normal use of the gas meter It is also necessary to fully consider the abnormal usage of the user. [0003] There is a Hall switch on the gas meter. When the user normally uses a magnet to trigger the Hall switch module (put the magnet in contact with the Hall component and remove it after a few seconds), the chip detects the signal and performs normal logic processing. [0004] When the user mistakenly fixes the magnet on the Hall component for a lo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01F15/00G05B19/04
CPCG01F15/00G05B19/04
Inventor 刘玉芝
Owner ZHEJIANG WEIXING INTELLIGENT METER STOCK