JP2012007995A5 - Battery remaining amount estimation device, electronic device equipped with the same, battery remaining amount estimation method, and program - Google Patents

Battery remaining amount estimation device, electronic device equipped with the same, battery remaining amount estimation method, and program Download PDF

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JP2012007995A5
JP2012007995A5 JP2010143900A JP2010143900A JP2012007995A5 JP 2012007995 A5 JP2012007995 A5 JP 2012007995A5 JP 2010143900 A JP2010143900 A JP 2010143900A JP 2010143900 A JP2010143900 A JP 2010143900A JP 2012007995 A5 JP2012007995 A5 JP 2012007995A5
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battery
voltage
capacitor
remaining amount
battery remaining
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JP2012007995A (en
JP5505124B2 (en
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Description

本発明は、電池残量推定装置、それを搭載した電子機器及び電池残量推定方法、並びにプログラムに関し、特に、電池残量推定装置について、高精度を確保したまま、低コスト化及び小型化を図ることが可能な技術に関する。
The present invention relates to a battery remaining amount estimating device , an electronic device equipped with the same, a battery remaining amount estimating method, and a program. In particular, the battery remaining amount estimating device is reduced in cost and size while ensuring high accuracy. It relates to a technology that can be achieved.

本発明の他の態様によると、上述した本発明の一態様に係る電池残量推定装置を搭載した電子機器を提供する。
また、本発明の他の態様によると、上述した本発明の一態様に係る電池残量推定装置に対応する方法及びプログラムを提供する。
 According to another aspect of the present invention, there is provided an electronic device equipped with the above-described battery remaining amount estimating apparatus according to one aspect of the present invention.
Moreover, according to the other aspect of this invention, the method and program corresponding to the battery remaining charge estimation apparatus which concerns on 1 aspect of this invention mentioned above are provided.

Claims (9)

電池の負荷と並列接続される第１コンデンサと、
前記電池から前記第１コンデンサに流れる充電電流に起因して電圧降下が生じたときの前記電池の出力電圧に対応する電圧を保持する電圧保持手段と、
前記電圧保持手段に保持された前記電圧に基づいて、前記電池の電池残量を推定する推定手段と、
を備える電池残量推定装置。 A first capacitor connected in parallel with the load of the battery;
Voltage holding means for holding a voltage corresponding to the output voltage of the battery when a voltage drop occurs due to a charging current flowing from the battery to the first capacitor;
Estimating means for estimating a remaining battery level of the battery based on the voltage held in the voltage holding means;
A battery remaining amount estimation device comprising: 前記電圧保持手段は、
一端が前記電池の負極端に接続される第２コンデンサと、
一端が、前記第２コンデンサの他端に接続され、他端が、前記電池の正極端に接続される抵抗と、
アノードが、前記第２コンデンサの他端側となるように、前記抵抗と並列接続されるダイオードと、
を備え、
前記推定手段は、前記抵抗及び前記ダイオードの並列接続と、前記第２コンデンサの他端の接続点の電位を、前記電圧保持手段に保持された前記電圧として用いる、
請求項１に記載の電池残量推定装置。 The voltage holding means is
A second capacitor having one end connected to the negative electrode end of the battery;
One end is connected to the other end of the second capacitor and the other end is connected to the positive end of the battery;
A diode connected in parallel with the resistor so that the anode is on the other end side of the second capacitor;
With
The estimation unit uses a parallel connection of the resistor and the diode and a potential at a connection point of the other end of the second capacitor as the voltage held in the voltage holding unit.
The battery remaining amount estimation apparatus according to claim 1. 前記推定手段は、前記電池の電池残量を決定付ける主要因として、前記電圧保持手段に保持された前記電圧を利用するとともにさらに、前記電池の電池残量を決定付ける１以上の副要因を利用して、前記電池の電池残量を推定する、
請求項１又は２に記載の電池残量推定装置。 The estimation means uses the voltage held in the voltage holding means as a main factor for determining the battery remaining amount of the battery, and further uses one or more sub-factors for determining the battery remaining amount of the battery. And estimating the remaining battery capacity of the battery,
The battery remaining amount estimation apparatus according to claim 1 or 2. 前記推定手段は、前記副要因として、前記電池の電池温度を少なくとも利用する、
請求項３に記載の電池残量推定装置。 The estimation means uses at least a battery temperature of the battery as the sub-factor.
The battery remaining power estimation apparatus according to claim 3. 前記推定手段は、前記副要因として、前記電池から充電電流が流れ込む前の前記第１コンデンサの電圧を少なくとも利用する、
請求項３又は４に記載の電池残量推定装置。 The estimation means uses at least the voltage of the first capacitor before charging current flows from the battery as the sub-factor,
The battery remaining amount estimation apparatus according to claim 3 or 4. オンの場合、前記第１コンデンサを、前記電池の前記負荷の回路に接続し、オフの場合、前記第１コンデンサを、前記電池の前記負荷の回路から遮断するスイッチ手段
をさらに備える請求項１乃至５の何れか１項に記載の電池残量推定装置。 The switch means for connecting the first capacitor to the load circuit of the battery when turned on, and disconnecting the first capacitor from the load circuit of the battery when turned off. The battery remaining power estimation apparatus according to any one of 5. 請求項１乃至６の何れか１項に記載の電池残量推定装置と、The battery remaining power estimation device according to any one of claims 1 to 6,
当該電池残量推定装置が搭載される電子機器本体とAn electronic device body on which the remaining battery level estimation device is mounted;
を備える電子機器。Electronic equipment comprising. 電池の負荷と並列接続される第１コンデンサと、
前記電池から前記第１コンデンサに流れる充電電流に起因して電圧降下が生じたときの前記電池の出力電圧に対応する電圧を保持する電圧保持手段と、
を備える電池残量推定装置の電池残量推定方法であって、
前記電圧保持手段に保持された前記電圧に基づいて、前記電池の電池残量を推定する推定ステップ
を含む電池残量推定方法。 A first capacitor connected in parallel with the load of the battery;
Voltage holding means for holding a voltage corresponding to the output voltage of the battery when a voltage drop occurs due to a charging current flowing from the battery to the first capacitor;
A battery remaining amount estimating method of a battery remaining amount estimating apparatus comprising:
A battery remaining capacity estimating method comprising: an estimating step of estimating a battery remaining capacity of the battery based on the voltage held by the voltage holding means. 電池の負荷と並列接続される第１コンデンサと、
前記電池から前記第１コンデンサに流れる充電電流に起因して電圧降下が生じたときの前記電池の出力電圧に対応する電圧を保持する電圧保持手段と、
を備える電池残量推定装置を制御するコンピュータに、
前記電圧保持手段に保持された前記電圧に基づいて、前記電池の電池残量を推定する推定機能
を実現させるプログラム。
A first capacitor connected in parallel with the load of the battery;
Voltage holding means for holding a voltage corresponding to the output voltage of the battery when a voltage drop occurs due to a charging current flowing from the battery to the first capacitor;
In a computer that controls a battery remaining amount estimating device comprising:
The program which implement | achieves the estimation function which estimates the battery remaining charge of the said battery based on the said voltage hold | maintained at the said voltage holding means.
JP2010143900A 2010-06-24 2010-06-24 Battery remaining amount estimation device, electronic device equipped with the same, battery remaining amount estimation method, and program Active JP5505124B2 (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
JP7245458B2 (en) 2017-07-28 2023-03-24 エフ． ホフマン－ラ ロシュ アーゲー Medical device with battery test

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JP6617747B2 (en) * 2017-05-12 2019-12-11 株式会社村田製作所 Winding device and method of manufacturing coil component

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JP2001228221A (en) * 2000-02-15 2001-08-24 Fujitsu Denso Ltd Capacity lowering detection circuit of lithium battery and small-sized wireless transmitter
JP2006275548A (en) * 2005-03-28 2006-10-12 Seiko Epson Corp Information terminal and power source residual quantity calculation method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7245458B2 (en) 2017-07-28 2023-03-24 エフ． ホフマン－ラ ロシュ アーゲー Medical device with battery test

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