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WO2012114374A1 - Procédé de détection du niveau restant d'une batterie, appareil de détection du niveau restant d'une batterie et appareil de reproduction d'un signal audio - Google Patents

Procédé de détection du niveau restant d'une batterie, appareil de détection du niveau restant d'une batterie et appareil de reproduction d'un signal audio Download PDF

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Publication number
WO2012114374A1
WO2012114374A1 PCT/JP2011/001007 JP2011001007W WO2012114374A1 WO 2012114374 A1 WO2012114374 A1 WO 2012114374A1 JP 2011001007 W JP2011001007 W JP 2011001007W WO 2012114374 A1 WO2012114374 A1 WO 2012114374A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
remaining amount
load
voltage drop
acoustic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2011/001007
Other languages
English (en)
Japanese (ja)
Inventor
友昭 越智
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pioneer Corp
Original Assignee
Pioneer Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pioneer Corp filed Critical Pioneer Corp
Priority to PCT/JP2011/001007 priority Critical patent/WO2012114374A1/fr
Priority to JP2011550348A priority patent/JP4917702B1/ja
Publication of WO2012114374A1 publication Critical patent/WO2012114374A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/3644—Constructional arrangements
    • G01R31/3646—Constructional arrangements for indicating electrical conditions or variables, e.g. visual or audible indicators

Definitions

  • the present invention relates to a battery remaining amount detecting method, a battery remaining amount detecting device, and an audio signal reproducing device for detecting a remaining amount of electricity stored in a battery.
  • This battery remaining amount detection device is connected to a dry battery as a detection target in parallel with a miniature bulb as a load resistance, and a timer circuit connected in series, and both terminals of the dry battery for about 1 second by a pulse voltage measurement circuit. Measure the voltage between. The measured voltage value is temporarily stored in the storage circuit, and the stored content is displayed on the display unit.
  • the battery remaining amount detection method of the present invention uses a battery as a power source, a load driving step of driving an acoustic load by supplying an acoustic signal for a predetermined time, and a voltage drop measuring step of measuring a voltage drop of the battery due to the driving of the acoustic load. And a remaining amount detecting step for detecting the remaining amount of electricity stored in the battery based on the measured voltage drop.
  • a battery remaining amount detection device includes a load driving unit that supplies electric power from a battery for a predetermined time and drives an acoustic load based on an acoustic signal, and a voltage drop measuring unit that measures a voltage drop of the battery due to the driving of the acoustic load. And a remaining amount detecting means for detecting the remaining amount of electricity stored in the battery based on the measured voltage drop.
  • the remaining battery charge level (battery charge level) ) Can be detected with high accuracy.
  • the acoustic signal is preferably a signal in a non-audible frequency band.
  • the acoustic signal is preferably a signal in a non-audible frequency band.
  • the acoustic load is driven to detect the remaining battery level, but the remaining battery level can be detected without noise or noise because the acoustic load is not captured by the human ear. .
  • the acoustic signal is preferably a sine wave signal.
  • the acoustic signal is preferably a sine wave signal.
  • a necessary acoustic signal can be easily generated and stored.
  • the acoustic load is preferably a speaker.
  • the acoustic load is preferably a speaker.
  • a typical acoustic load can be driven, and the remaining battery level can be detected by a load that matches the actual use load.
  • the audio signal reproducing device of the present invention is characterized by including the above-described battery remaining amount detecting device.
  • the voltage value (voltage drop) is measured using an actual load such as an acoustic load instead of a pseudo load, the remaining battery level is accurately detected according to the acoustic load. be able to. Therefore, it can be accurately determined whether or not the battery can withstand use.
  • FIG. 1 is a block diagram of an audio signal reproduction device according to an embodiment of the present invention. It is explanatory drawing showing the display form of the battery remaining charge.
  • This audio signal reproducing device is a small audio device driven mainly by a dry battery, and is configured to include a remaining battery level detection device that detects the remaining battery level of a dry battery to be used.
  • the audio signal reproducing apparatus 1 includes a dry battery (battery) 11, a power supply circuit 12, an A / D converter 13, a memory 14, a CPU (Central Processing Unit) 15, an operation unit 21, a display unit 22, and an audio.
  • a decoder 23, an audio amplifier 24, and a speaker 25 (sound load) are provided.
  • the dry battery 11, the power supply circuit 12, the A / D converter 13, the memory 14, and the CPU 15 constitute the battery remaining amount detection device 10.
  • the operation unit 21 includes buttons, switches, and the like, and is used for performing various audio operations (playback, pause, fast forward / rewind, etc.), power-on instructions, and battery remaining power measurement instructions.
  • the display unit 22 includes a liquid crystal display, an EL display, and the like, and displays various types of information such as a remaining amount display (see FIG. 2) indicating the remaining battery level. In the present embodiment, when a power-on instruction or a battery remaining amount measurement instruction is given by the operation unit 21, information indicating the remaining battery amount is displayed.
  • the audio decoder 23 decodes the music data read from the memory 14 and outputs it to the audio amplifier 24.
  • the speaker 25 outputs the audio signal amplified by the audio amplifier 24 to the outside.
  • the number of speakers 25 may be one, or a plurality of speakers (for high sound range, medium sound range, low sound range, etc.).
  • the audio amplifier 24 and the speaker 25 may be separate devices.
  • the apparatus main body and the separate apparatus of the audio signal reproduction apparatus 1 may be wired connection or wireless connection.
  • the dry battery 11 is a manganese battery, an alkaline battery or a nickel metal hydride battery.
  • the power supply circuit 12 inputs power supplied from the dry battery 11 and outputs power to each unit in the audio signal reproduction device 1.
  • the A / D converter 13 detects the voltage of the dry battery 11 on the upstream side of the power supply circuit 12, A / D converts the detection result, and outputs the result to the CPU 15.
  • the memory 14 is a non-volatile storage device such as a flash memory, a music file storage area 14a for storing music files, and a sine wave signal (acoustic signal, hereinafter referred to as “measurement sine wave”) for measuring the remaining battery level. And a sine wave storage area 14b for measurement.
  • the music file storage area 14a stores music data (audio waveform signals) and music information (metadata added to music data, music analysis data, etc.).
  • the measurement sine wave storage area 14b stores a frequency signal outside the audible band (for example, 20 KHz or more) as the measurement sine wave. In this way, a more accurate measurement value can be obtained by measuring the remaining battery level using a high frequency signal with a high load.
  • the Sin wave for measurement may be stored in the music file storage area 14a as one piece of music data.
  • the CPU 15 controls each unit in the audio signal reproduction device 1 such as audio control for the audio decoder 23 and display control for the display unit 22. Moreover, it functions as the load driving means 15a, the voltage drop measuring means 15b, and the remaining amount detecting means 15c.
  • the load driving unit 15a drives the audio amplifier 24 and the speaker 25 by supplying the measurement Sin wave read from the measurement Sin wave storage area 14b to the audio decoder 23 for a predetermined time (about several seconds). Note that the load driving unit 15a starts supplying the measurement Sin wave with the operation by the operation unit 21 as a trigger.
  • the voltage drop measuring means 15 measures the voltage drop of the dry battery 11 by the drive control of the load driving means 15a. More specifically, the voltage value while the voltage Sink is supplied by the load driving means 15a for a predetermined time and the audio amplifier 24 and the speaker 25 are driven is reduced to the A / D converter 13. Get from. Based on the voltage drop measured by the voltage drop measuring unit 15 (voltage value during load driving by the load driving unit 15a), the remaining amount detecting unit 15c detects the remaining amount of charge in the dry battery 11. Note that a known algorithm can be applied as a calculation algorithm for obtaining the remaining power amount from the detected voltage value. Further, the remaining amount of electricity stored may be obtained by referring to a table in which the relationship between the voltage value and the remaining amount of electricity stored is correlated one-on-one.
  • the remaining amount display of the display unit 22 controlled by the CPU 15 will be described.
  • the battery remaining amount display on the display unit 22 displays the dry battery 11 in the shape of a horizontally placed bottle 50, and a plurality of bottles 50 (the one shown in the figure is shown). 3), the remaining charge amount is displayed by erasing and displaying the plurality of lateral charge portions 51 in order.
  • the storage amount is displayed by a plurality of (two in the figure) hatched lines 52 displayed in the horizontally placed bottle 50, and the plurality of hatched lines 52 are sequentially deleted. By displaying, the remaining amount of power storage is displayed. Further, in the case of FIG. 2 (c), the storage amount is displayed by a plurality of (three in the drawing) vertical charging portions 53 displayed in a compartment in the vertically placed bottle 50, and the plurality of vertical charging portions. The remaining amount of electricity stored is displayed by sequentially deleting 53.
  • the audio amplifier 24 and the speaker 25 are driven for a predetermined time, the voltage drop of the dry battery 11 is measured, and the remaining charge of the dry battery 11 is detected based on the measurement result.
  • the remaining power level (remaining battery level) of the dry battery 11 can be accurately detected. That is, since the battery remaining amount of the dry battery 11 is detected based on the actual use load, it can be easily and reliably determined whether or not the dry battery 11 constituting the power source can withstand practical use.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Tests Of Electric Status Of Batteries (AREA)

Abstract

La présente invention vise à résoudre le problème consistant à créer un procédé de détection du niveau restant d'une batterie qui sert à détecter avec précision le niveau d'accumulation restant d'une batterie, un appareil de détection du niveau restant d'une batterie, et un appareil de reproduction d'un signal audio. Comme moyens pour résoudre le problème, un procédé de détection du niveau restant d'une batterie selon la présente invention comprend : une étape d'activation de la charge, dans laquelle une charge audio est activée par la fourniture de signaux acoustiques pendant un temps prédéterminé en prenant une batterie comme source d'énergie ; une étape de mesure de la chute de la tension, dans laquelle une chute de tension de la batterie qui est due à l'activation de la charge acoustique est mesurée ; et une étape de détection du niveau restant, dans laquelle le niveau d'accumulation restant de la batterie est détecté sur la base de la chute de tension ainsi mesurée.
PCT/JP2011/001007 2011-02-23 2011-02-23 Procédé de détection du niveau restant d'une batterie, appareil de détection du niveau restant d'une batterie et appareil de reproduction d'un signal audio Ceased WO2012114374A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2011/001007 WO2012114374A1 (fr) 2011-02-23 2011-02-23 Procédé de détection du niveau restant d'une batterie, appareil de détection du niveau restant d'une batterie et appareil de reproduction d'un signal audio
JP2011550348A JP4917702B1 (ja) 2011-02-23 2011-02-23 電池残量検出方法、電池残量検出装置およびオーディオ信号再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/001007 WO2012114374A1 (fr) 2011-02-23 2011-02-23 Procédé de détection du niveau restant d'une batterie, appareil de détection du niveau restant d'une batterie et appareil de reproduction d'un signal audio

Publications (1)

Publication Number Publication Date
WO2012114374A1 true WO2012114374A1 (fr) 2012-08-30

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PCT/JP2011/001007 Ceased WO2012114374A1 (fr) 2011-02-23 2011-02-23 Procédé de détection du niveau restant d'une batterie, appareil de détection du niveau restant d'une batterie et appareil de reproduction d'un signal audio

Country Status (2)

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JP (1) JP4917702B1 (fr)
WO (1) WO2012114374A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104105418A (zh) * 2012-07-03 2014-10-15 惠州市吉瑞科技有限公司 声控电子烟烟盒及电子烟装置
CN111951719B (zh) * 2020-08-10 2023-05-23 昂宝电子（上海）有限公司 用于充放电系统中的led显示控制的装置和方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001208814A (ja) * 2000-01-26 2001-08-03 Honda Motor Co Ltd バッテリの残量検知方法
JP2004152648A (ja) * 2002-10-31 2004-05-27 Victor Co Of Japan Ltd 電池残量通知装置
JP2009033616A (ja) * 2007-07-30 2009-02-12 Kenwood Corp 音声再生装置、プログラム及び電池残量の告知方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001208814A (ja) * 2000-01-26 2001-08-03 Honda Motor Co Ltd バッテリの残量検知方法
JP2004152648A (ja) * 2002-10-31 2004-05-27 Victor Co Of Japan Ltd 電池残量通知装置
JP2009033616A (ja) * 2007-07-30 2009-02-12 Kenwood Corp 音声再生装置、プログラム及び電池残量の告知方法

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JPWO2012114374A1 (ja) 2014-07-07
JP4917702B1 (ja) 2012-04-18

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