Method and apparatus for reducing power consumption in battery-operated devices

A technology for power consumption devices and switching devices, which is applied in the direction of measuring devices, data processing power supplies, volume indicators and recording equipment, etc., to achieve the effect of reducing power consumption and high availability

Inactive Publication Date: 2006-12-27
HYDROMETER GMBH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Measures for reducing energy consum...

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  • Method and apparatus for reducing power consumption in battery-operated devices
  • Method and apparatus for reducing power consumption in battery-operated devices
  • Method and apparatus for reducing power consumption in battery-operated devices

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[0024] figure 1 An electronic gas meter 1 ′ is shown schematically, the basic structure of which is known from, for example, EP 1,164,361 , the present description including this document and all references cited therein. The electronic gas meter 1' is usually arranged in the bypass 16 of the gas duct 15, and detects the wind speed test signal 101b there, which samples the air flow via the bypass 16, and, based on the defined branching ratio, shows the influence on the flow via Accurate measurement of the gas supply to the main pipe 15. The sampling is carried out at a specific sampling rate and is carried out in the gas meter 1 ′ by the control unit 103 for signal detection and signal processing, in particular by the microcontroller 103 . Preferably, the gas meter 1' has an electronic CMOS chip 100 for wind velocity airflow measurement. Since the gas meter 1 ′ is fully electronic, it can be operated independently of the mains electricity network, or by itself using the batt...

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Abstract

The invention relates to an energy-saving sampling method and an electrical apparatus (1, 1'), particularly an electronic gas meter (1') or motion detector (1), for carrying out said method. The aim of the invention is to reduce power consumption (I) of the battery (105) in said method and apparatus (1, 1'). Said aim is achieved by sampling the test signal (100b, 101b) in a quasi continuous (13) manner by defining sampling time slots (14') during which sampling is done in an uninterrupted fashion while sampling gaps (14) during which no sampling is done are allowed between the sampling time slots (14'). Examples of embodiments include sampling gaps (14) at regular or random intervals, sampling gaps (14) with a variable duration and/or frequency and especially an increasing duration and/or frequency as the remaining service life of the battery decreases, and a lower sampling rate (f1, f2, f3) during the sampling time slots (14'), among others, resulting in an increased battery lifetime without substantially reducing test reliability.

Description

technical field [0001] The present invention relates to self-running power-consuming devices and equipment, in particular to battery-powered devices in building equipment technology. According to the preambles of the independent claims of the invention, the invention comprises a sampling method, an electrical device, a system and a device. Background technique [0002] A sampling method for flow meters is given in EP1278047A where the sampling rate is reduced according to the remaining useful life of the power supply. As a result, the lifetime of the power supply can be increased at the expense of measurement accuracy. [0003] In JP10246662A patent, the abstract of which discloses an electronic water meter with a magnetic sensor whose sampling rate is adjusted according to the sensor signal. To reduce energy consumption, the sampling rate is reduced if the sensor signal remains stable or substantially unchanged, and increased if the sensor signal varies. There is no refe...

Claims

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Application Information

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IPC IPC(8): G08B13/189G01F15/06G06F1/32
CPCG06F1/32G01F15/068
Inventor 贝娅特·克雷默
Owner HYDROMETER GMBH
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