JP2011067004A5 - - Google Patents

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Publication number
JP2011067004A5
JP2011067004A5 JP2009215124A JP2009215124A JP2011067004A5 JP 2011067004 A5 JP2011067004 A5 JP 2011067004A5 JP 2009215124 A JP2009215124 A JP 2009215124A JP 2009215124 A JP2009215124 A JP 2009215124A JP 2011067004 A5 JP2011067004 A5 JP 2011067004A5
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Japan
Prior art keywords
battery
voltage
switching element
specification information
control unit
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JP2009215124A
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Japanese (ja)
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JP5488877B2 (en
JP2011067004A (en
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Priority to JP2009215124A priority Critical patent/JP5488877B2/en
Priority claimed from JP2009215124A external-priority patent/JP5488877B2/en
Priority to PCT/JP2010/066461 priority patent/WO2011034201A1/en
Publication of JP2011067004A publication Critical patent/JP2011067004A/en
Publication of JP2011067004A5 publication Critical patent/JP2011067004A5/ja
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Claims (15)

充電可能な複数の素電池からなり負荷としての電動工具本体に給電可能な電池組と、
前記電池組と直列に接続されたスイッチング素子と、
前記スイッチング素子のスイッチング動作を制御する制御手段と
を有し、
前記制御手段は、前記電動工具本体の使用可能電圧を示す電圧仕様情報を前記電動工具本体から取得し、前記電圧仕様情報に応じて前記スイッチング動作を制御することを特徴とする電池パック。 A battery set consisting of a plurality of rechargeable cells and capable of supplying power to the power tool body as a load;
A switching element connected in series with the battery set;
Control means for controlling the switching operation of the switching element,
The battery pack is characterized in that the control means acquires voltage specification information indicating a usable voltage of the power tool main body from the power tool main body, and controls the switching operation according to the voltage specification information. 前記電池組の電池電圧を検出する電池電圧検出手段を有し、
前記電池電圧検出手段によって検出された電池電圧が所定の電圧値以下になったときは、前記制御手段は、前記スイッチング素子を開放して前記電池組からの給電を遮断することを特徴とする請求項１記載の電池パック。 Battery voltage detection means for detecting the battery voltage of the battery set;
When the battery voltage detected by the battery voltage detection means becomes a predetermined voltage value or less, the control means opens the switching element and cuts off the power supply from the battery set. Item 6. The battery pack according to Item 1. 前記制御手段は、前記スイッチング動作の開始から所定の時間が経過したとき、前記スイッチング素子を開放して前記電池組からの給電を遮断することを特徴とする請求項１記載の電池パック。 2. The battery pack according to claim 1, wherein when a predetermined time has elapsed from the start of the switching operation, the control unit opens the switching element to cut off power supply from the battery set. 前記電池組の電池電圧を検出する電池電圧検出手段を有し、
前記制御手段は、前記電池電圧検出手段によって検出された電池電圧に応じて前記スイッチング動作を設定することを特徴とする請求項１記載の電池パック。 Battery voltage detection means for detecting the battery voltage of the battery set;
The battery pack according to claim 1, wherein the control unit sets the switching operation according to a battery voltage detected by the battery voltage detection unit. 前記制御手段は、前記電池組の電池温度を検出し、前記電池温度が所定の値を上回るときは、前記スイッチング素子を開放して前記電池組からの給電を遮断することを特徴とする請求項１記載の電池パック。 The control means detects a battery temperature of the battery set, and when the battery temperature exceeds a predetermined value, opens the switching element to cut off power supply from the battery set. 1. The battery pack according to 1. 前記制御手段は、前記スイッチング素子のデューティ比を設定することを特徴とする請求項１から請求項５のいずれか１に記載の電池パック。 The battery pack according to claim 1, wherein the control unit sets a duty ratio of the switching element. 電力によって駆動される電動工具本体と、
前記電動工具本体に給電する電池パックと、
を有し、
前記電動工具本体は、
前記電動工具本体の使用可能電圧を示す電圧仕様情報を提供する電圧仕様情報提供手段を有し、
前記電池パックは、
充電可能な複数の素電池からなり前記電動工具本体に給電する電池組と、
前記電池組と直列に接続されたスイッチング素子と、
前記スイッチング素子のスイッチング動作を制御する制御手段と
を有し、前記制御手段は、前記電圧仕様情報提供手段から前記電圧仕様情報を取得し、取得した前記電圧仕様情報に応じて前記スイッチング動作を制御することを特徴とする電動工具。 A power tool body driven by electric power;
A battery pack for supplying power to the power tool body;
Have
The power tool body is
Voltage specification information providing means for providing voltage specification information indicating the usable voltage of the power tool body,
The battery pack is
A battery set consisting of a plurality of rechargeable cells and supplying power to the power tool body,
A switching element connected in series with the battery set;
Control means for controlling the switching operation of the switching element, the control means acquires the voltage specification information from the voltage specification information providing means, and controls the switching operation according to the acquired voltage specification information An electric tool characterized by that. 前記電池組の電池電圧を検出する電池電圧検出手段を有し、
前記電池電圧検出手段によって検出された電池電圧が所定の電圧値以下になったときは、前記制御手段は、前記スイッチング素子を開放して前記電池組からの給電を遮断することを特徴とする請求項７記載の電動工具。 Battery voltage detection means for detecting the battery voltage of the battery set;
When the battery voltage detected by the battery voltage detection means becomes a predetermined voltage value or less, the control means opens the switching element and cuts off the power supply from the battery set. Item 8. The electric tool according to Item 7. 前記制御手段は、前記スイッチング動作の開始から所定の時間が経過したとき、前記スイッチング素子を開放して前記電池組からの給電を遮断することを特徴とする請求項７記載の電動工具。 The power tool according to claim 7, wherein the control unit opens the switching element and cuts off power supply from the battery set when a predetermined time has elapsed from the start of the switching operation. 前記電池組の電池電圧を検出する電池電圧検出手段を有し、
前記制御手段は、前記電池電圧検出手段によって検出された電池電圧に応じて前記スイッチング動作を設定することを特徴とする請求項７記載の電動工具。 Battery voltage detection means for detecting the battery voltage of the battery set;
8. The electric tool according to claim 7, wherein the control unit sets the switching operation according to the battery voltage detected by the battery voltage detection unit. 前記制御手段は、前記電池組の電池温度を検出し、前記電池温度が所定の値を上回るときは、前記スイッチング素子を開放して前記電池組からの給電を遮断することを特徴とする請求項７記載の電動工具。 The control means detects a battery temperature of the battery set, and when the battery temperature exceeds a predetermined value, opens the switching element to cut off power supply from the battery set. 7. The electric tool according to 7. 前記制御手段は、前記スイッチング素子のデューティ比を設定することを特徴とする請求項７から請求項１１のいずれか１に記載の電動工具。 The power tool according to claim 7, wherein the control unit sets a duty ratio of the switching element. 複数の素電池からなる電池パックからの電力によって駆動されるモータを備えた電動工具であって、An electric tool comprising a motor driven by electric power from a battery pack comprising a plurality of unit cells,
前記モータの駆動電圧に応じて前記電池パックから出力電圧を制御する制御部を備えることを特徴とする電動工具。  An electric tool comprising a control unit that controls an output voltage from the battery pack in accordance with a driving voltage of the motor. 前記モータの使用可能電圧を示す電圧仕様情報を提供する電圧仕様情報提供手段を有し、Voltage specification information providing means for providing voltage specification information indicating the usable voltage of the motor;
前記制御部は、前記電圧仕様情報提供手段から前記電圧仕様情報を取得し、取得した前記電圧仕様情報に応じて前記出力電圧を制御することを特徴とする請求項１３に記載の電動工具。  The electric power tool according to claim 13, wherein the control unit acquires the voltage specification information from the voltage specification information providing unit, and controls the output voltage according to the acquired voltage specification information. 前記制御部は、前記素電池と直列に接続されたスイッチング素子と、前記スイッチング素子のスイッチング動作を制御する制御手段と、を備え、The control unit includes a switching element connected in series with the unit cell, and control means for controlling a switching operation of the switching element,
前記制御手段は、前記電圧仕様情報に応じて前記スイッチング動作を制御することを特徴とする請求項１４に記載の電動工具。  The power tool according to claim 14, wherein the control unit controls the switching operation according to the voltage specification information.
JP2009215124A 2009-09-17 2009-09-17 Electric tool Active JP5488877B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009215124A JP5488877B2 (en) 2009-09-17 2009-09-17 Electric tool
PCT/JP2010/066461 WO2011034201A1 (en) 2009-09-17 2010-09-15 Battery pack and power tool using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009215124A JP5488877B2 (en) 2009-09-17 2009-09-17 Electric tool

Publications (3)

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JP2011067004A JP2011067004A (en) 2011-03-31
JP2011067004A5 true JP2011067004A5 (en) 2012-04-26
JP5488877B2 JP5488877B2 (en) 2014-05-14

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